Adding upstream version 1:9.16.44.upstream/1%9.16.44

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1788 insertions, 0 deletions

diff --git a/bin/tests/system/autosign/tests.sh b/bin/tests/system/autosign/tests.sh
new file mode 100755
index 0000000..ac96507
--- /dev/null
+++ b/bin/tests/system/autosign/tests.sh
@@ -0,0 +1,1788 @@
+#!/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.
+
+SYSTEMTESTTOP=..
+. $SYSTEMTESTTOP/conf.sh
+
+status=0
+n=0
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd +dnssec -p ${PORT}"
+RNDCCMD="$RNDC -c $SYSTEMTESTTOP/common/rndc.conf -p ${CONTROLPORT} -s"
+
+# convert private-type records to readable form
+showprivate () {
+    echo "-- $@ --"
+    $DIG $DIGOPTS +nodnssec +short @$2 -t type65534 $1 | cut -f3 -d' ' |
+        while read record; do
+            $PERL -e 'my $rdata = pack("H*", @ARGV[0]);
+                die "invalid record" unless length($rdata) == 5;
+                my ($alg, $key, $remove, $complete) = unpack("CnCC", $rdata);
+                my $action = "signing";
+                $action = "removing" if $remove;
+                my $state = " (incomplete)";
+                $state = " (complete)" if $complete;
+                print ("$action: alg: $alg, key: $key$state\n");' $record
+        done
+}
+
+# check that signing records are marked as complete
+checkprivate () {
+    _ret=0
+    expected="${3:-0}"
+    x=$(showprivate "$@")
+    echo $x | grep incomplete > /dev/null && _ret=1
+
+    if [ $_ret = $expected ]; then
+        return 0
+    fi
+
+    echo "$x"
+    echo_i "failed"
+    return 1
+}
+
+# wait until notifies for zone $1 are sent by server $2. This is an indication
+# that the zone is signed with the active keys, and the changes have been
+# committed.
+wait_for_notifies () {
+	wait_for_log 10 "zone ${1}/IN: sending notifies" "${2}/named.run" || return 1
+}
+
+freq() {
+	_file=$1
+	# remove first and last line that has incomplete set and skews the distribution
+	awk '$4 == "RRSIG" {print substr($9,1,8)}' < "$_file" | sort | uniq -c | sed '1d;$d'
+}
+# Check the signatures expiration times.  First check how many signatures
+# there are in total ($rrsigs).  Then see what the distribution of signature
+# expiration times is ($expiretimes).  Ignore the time part for a better
+# modelled distribution.
+checkjitter () {
+	_file=$1
+	_ret=0
+
+	if ! command -v bc >/dev/null 2>&1; then
+		echo_i "skip: bc not available"
+		return 0
+	fi
+
+	freq "$_file" | cat_i
+	_expiretimes=$(freq "$_file" | awk '{print $1}')
+
+	_count=0
+	# Check if we have at least 4 days
+	# This number has been tuned for `sig-validity-interval 10 2`, as
+	# 1 signature expiration dates should be spread out across at most 8 (10-2) days
+	# 2. we remove first and last day to remove frequency outlier, we are left with 6 (8-2) days
+	# 3. we subtract two more days to allow test pass on day boundaries, etc. leaving us with 4 (6-2)
+	for _num in $_expiretimes
+	do
+		_count=$((_count+1))
+	done
+	if [ "$_count" -lt 4 ]; then
+		echo_i "error: not enough categories"
+		return 1
+	fi
+
+	# Calculate mean
+	_total=0
+	for _num in $_expiretimes
+	do
+		_total=$((_total+_num))
+	done
+	_mean=$(($_total / $_count))
+
+	# Calculate stddev
+	_stddev=0
+	for _num in $_expiretimes
+	do
+		_stddev=$(echo "$_stddev + (($_num - $_mean) * ($_num - $_mean))" | bc)
+	done
+	_stddev=$(echo "sqrt($_stddev/$_count)" | bc)
+
+	# We expect the number of signatures not to exceed the mean +- 3 * stddev.
+	_limit=$((_stddev*3))
+	_low=$((_mean-_limit))
+	_high=$((_mean+_limit))
+	# Find outliers.
+	echo_i "checking whether all frequencies fall into <$_low;$_high> range"
+	for _num in $_expiretimes
+	do
+		if [ $_num -gt $_high ]; then
+			echo_i "error: too many RRSIG records ($_num) in expiration bucket"
+			_ret=1
+		fi
+		if [ $_num -lt $_low ]; then
+			echo_i "error: too few RRSIG records ($_num) in expiration bucket"
+			_ret=1
+		fi
+	done
+
+	return $_ret
+}
+
+#
+#  The NSEC record at the apex of the zone and its RRSIG records are
+#  added as part of the last step in signing a zone.  We wait for the
+#  NSEC records to appear before proceeding with a counter to prevent
+#  infinite loops if there is a error.
+#
+echo_i "waiting for autosign changes to take effect"
+i=0
+while [ $i -lt 30 ]
+do
+	ret=0
+	#
+	# Wait for the root DNSKEY RRset to be fully signed.
+	#
+	$DIG $DIGOPTS . @10.53.0.1 dnskey > dig.out.ns1.test$n || ret=1
+	grep "ANSWER: 10," dig.out.ns1.test$n > /dev/null || ret=1
+	for z in .
+	do
+		$DIG $DIGOPTS $z @10.53.0.1 nsec > dig.out.ns1.test$n || ret=1
+		grep "NS SOA" dig.out.ns1.test$n > /dev/null || ret=1
+	done
+	for z in bar. example. private.secure.example. optout-with-ent.
+	do
+		$DIG $DIGOPTS $z @10.53.0.2 nsec > dig.out.ns2.test$n || ret=1
+		grep "NS SOA" dig.out.ns2.test$n > /dev/null || ret=1
+	done
+	for z in bar. example. inacksk2.example. inacksk3.example \
+		 inaczsk2.example. inaczsk3.example noksk.example nozsk.example
+	do
+		$DIG $DIGOPTS $z @10.53.0.3 nsec > dig.out.ns3.test$n || ret=1
+		grep "NS SOA" dig.out.ns3.test$n > /dev/null || ret=1
+	done
+	i=$((i + 1))
+	if [ $ret = 0 ]; then break; fi
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "done"; fi
+status=$((status + ret))
+
+echo_i "Convert optout-with-ent from nsec to nsec3"
+($RNDCCMD 10.53.0.2 signing -nsec3param 1 1 1 - optout-with-ent 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+
+echo_i "Initial counts of RRSIG expiry fields values for auto signed zones"
+for z in .
+do
+	echo_i zone $z
+	$DIG $DIGOPTS $z @10.53.0.1 axfr | awk '$4 == "RRSIG" {print $9}' | sort | uniq -c | cat_i
+done
+for z in bar. example. private.secure.example.
+do
+	echo_i zone $z
+	$DIG $DIGOPTS $z @10.53.0.2 axfr | awk '$4 == "RRSIG" {print $9}' | sort | uniq -c | cat_i
+done
+for z in inacksk2.example. inacksk3.example inaczsk2.example. inaczsk3.example
+do
+	echo_i zone $z
+	$DIG $DIGOPTS $z @10.53.0.3 axfr | awk '$4 == "RRSIG" {print $9}' | sort | uniq -c | cat_i
+done
+
+# Set logfile offset for wait_for_log usage.
+nextpartreset ns3/named.run
+
+#
+# Check that DNSKEY is initially signed with a KSK and not a ZSK.
+#
+echo_i "check that zone with active and inactive KSK and active ZSK is properly"
+echo_ic "resigned after the active KSK is deleted - stage 1: Verify that DNSKEY"
+echo_ic "is initially signed with a KSK and not a ZSK. ($n)"
+ret=0
+
+$DIG $DIGOPTS @10.53.0.3 axfr inacksk3.example > dig.out.ns3.test$n
+
+zskid=$(awk '$4 == "DNSKEY" && $5 == 256 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inacksk3.example | awk '{ print $4}')
+grep "DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 " dig.out.ns3.test$n > /dev/null || ret=1
+
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${zskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null && ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+	    $4 == "RRSIG" && $5 == "DNSKEY" { count++ }
+	    END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 3 || ret=1
+
+awk='$4 == "RRSIG" && $5 == "DNSKEY" { printf "%05u\n", $11 }'
+id=$(awk "${awk}" dig.out.ns3.test$n)
+
+keyfile=$(printf "ns3/Kinacksk3.example.+%03u+%s" "${DEFAULT_ALGORITHM_NUMBER}" "${id}")
+$SETTIME -D now+5 "${keyfile}" > settime.out.test$n || ret=1
+($RNDCCMD 10.53.0.3 loadkeys inacksk3.example 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Check that zone is initially signed with a ZSK and not a KSK.
+#
+echo_i "check that zone with active and inactive ZSK and active KSK is properly"
+echo_ic "resigned after the active ZSK is deleted - stage 1: Verify that zone"
+echo_ic "is initially signed with a ZSK and not a KSK. ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inaczsk3.example > dig.out.ns3.test$n
+kskid=$(awk '$4 == "DNSKEY" && $5 == 257 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inaczsk3.example | awk '{ print $4}' )
+grep "CNAME ${DEFAULT_ALGORITHM_NUMBER} 3 " dig.out.ns3.test$n > /dev/null || ret=1
+grep "CNAME ${DEFAULT_ALGORITHM_NUMBER} 3 [0-9]* [0-9]* [0-9]* ${kskid} " dig.out.ns3.test$n > /dev/null && ret=1
+count=$(awk 'BEGIN { count = 0 }
+	    $4 == "RRSIG" && $5 == "CNAME" { count++ }
+	    END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 3 || ret=1
+id=$(awk '$4 == "RRSIG" && $5 == "CNAME" { printf "%05u\n", $11 }' dig.out.ns3.test$n)
+
+keyfile=$(printf "ns3/Kinaczsk3.example.+%03u+%s" "${DEFAULT_ALGORITHM_NUMBER}" "${id}")
+$SETTIME -D now+5 "${keyfile}" > settime.out.test$n || ret=1
+($RNDCCMD 10.53.0.3 loadkeys inaczsk3.example 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC->NSEC3 conversion prerequisites ($n)"
+ret=0
+# these commands should result in an empty file:
+$DIG $DIGOPTS +noall +answer nsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.1.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.2.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC3->NSEC conversion prerequisites ($n)"
+ret=0
+$DIG $DIGOPTS +noall +answer nsec3-to-nsec.example. nsec3param @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "converting zones from nsec to nsec3"
+$NSUPDATE > /dev/null 2>&1 <<END	|| status=1
+server 10.53.0.3 ${PORT}
+zone nsec3.nsec3.example.
+update add nsec3.nsec3.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+zone optout.nsec3.example.
+update add optout.nsec3.example. 3600 NSEC3PARAM 1 1 10 BEEF
+send
+zone nsec3.example.
+update add nsec3.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+zone autonsec3.example.
+update add autonsec3.example. 3600 NSEC3PARAM 1 0 20 DEAF
+send
+zone nsec3.optout.example.
+update add nsec3.optout.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+zone optout.optout.example.
+update add optout.optout.example. 3600 NSEC3PARAM 1 1 10 BEEF
+send
+zone optout.example.
+update add optout.example. 3600 NSEC3PARAM 1 1 10 BEEF
+send
+END
+
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+    # try to convert nsec-only.example; this should fail due to
+    # non-NSEC3 compatible keys
+    echo_i "preset nsec3param in unsigned zone via nsupdate ($n)"
+    $NSUPDATE > nsupdate.out 2>&1 <<END
+server 10.53.0.3 ${PORT}
+zone nsec-only.example.
+update add nsec-only.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+END
+fi
+
+echo_i "checking for nsec3param in unsigned zone ($n)"
+ret=0
+$DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for nsec3param signing record ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -list autonsec3.example. > signing.out.test$n 2>&1
+grep "Pending NSEC3 chain 1 0 20 DEAF" signing.out.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "resetting nsec3param via rndc signing ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -clear all autonsec3.example. > /dev/null 2>&1
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 1 10 beef autonsec3.example. > /dev/null 2>&1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	ret=0
+	$RNDCCMD 10.53.0.3 signing -list autonsec3.example. > signing.out.test$n 2>&1
+	grep "Pending NSEC3 chain 1 1 10 BEEF" signing.out.test$n > /dev/null || ret=1
+	num=$(grep "Pending " signing.out.test$n | wc -l)
+	[ $num -eq 1 ] || ret=1
+	[ $ret -eq 0 ] && break
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "signing preset nsec3 zone"
+zsk=$(cat autozsk.key)
+ksk=$(cat autoksk.key)
+$SETTIME -K ns3 -P now -A now $zsk > settime.out.test$n.zsk || ret=1
+$SETTIME -K ns3 -P now -A now $ksk > settime.out.test$n.ksk || ret=1
+($RNDCCMD 10.53.0.3 loadkeys autonsec3.example. 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+
+echo_i "waiting for changes to take effect"
+sleep 3
+
+echo_i "converting zone from nsec3 to nsec"
+$NSUPDATE > /dev/null 2>&1 << END	|| status=1
+server 10.53.0.3 ${PORT}
+zone nsec3-to-nsec.example.
+update delete nsec3-to-nsec.example. NSEC3PARAM
+send
+END
+
+echo_i "waiting for change to take effect"
+sleep 3
+
+missing=$(keyfile_to_key_id "$(cat noksk-ksk.key)")
+echo_i "checking that expired RRSIGs from missing KSK $missing are not deleted ($n)"
+ret=0
+$JOURNALPRINT ns3/noksk.example.db.jnl | \
+   awk '{if ($1 == "del" && $5 == "RRSIG" && $12 == id) {error=1}} END {exit error}' id=$missing || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+missing=$(keyfile_to_key_id "$(cat nozsk-zsk.key)")
+ksk=$(keyfile_to_key_id "$(cat nozsk-ksk.key)")
+echo_i "checking that expired RRSIGs from missing ZSK $missing are replaced ($n)"
+ret=0
+$JOURNALPRINT ns3/nozsk.example.db.jnl | \
+   awk '{if ($1 == "del" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$missing || ret=1
+$JOURNALPRINT ns3/nozsk.example.db.jnl | \
+   awk '{if ($1 == "add" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$ksk || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+inactive=$(keyfile_to_key_id "$(cat inaczsk-zsk.key)")
+ksk=$(keyfile_to_key_id "$(cat inaczsk-ksk.key)")
+echo_i "checking that expired RRSIGs from inactive ZSK $inactive are replaced ($n)"
+ret=0
+$JOURNALPRINT ns3/inaczsk.example.db.jnl | \
+   awk '{if ($1 == "del" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$inactive || ret=1
+$JOURNALPRINT ns3/inaczsk.example.db.jnl | \
+   awk '{if ($1 == "add" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$ksk || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that replaced RRSIGs are not logged (missing ZSK private key) ($n)"
+ret=0
+loglines=$(grep "Key nozsk.example/$DEFAULT_ALGORITHM/$missing .* retaining signatures" ns3/named.run | wc -l)
+[ "$loglines" -eq 0 ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that replaced RRSIGs are not logged (inactive ZSK private key) ($n)"
+ret=0
+loglines=$(grep "Key inaczsk.example/$DEFAULT_ALGORITHM/$inactive .* retaining signatures" ns3/named.run | wc -l)
+[ "$loglines" -eq 0 ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Send rndc sync command to ns1, ns2 and ns3, to force the dynamically
+# signed zones to be dumped to their zone files
+echo_i "dumping zone files"
+($RNDCCMD 10.53.0.1 sync 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+($RNDCCMD 10.53.0.2 sync 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+($RNDCCMD 10.53.0.3 sync 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+
+now="$(TZ=UTC date +%Y%m%d%H%M%S)"
+check_expiry() (
+	$DIG $DIGOPTS AXFR oldsigs.example @10.53.0.3 > dig.out.test$n
+	nearest_expiration="$(awk '$4 == "RRSIG" { print $9 }' < dig.out.test$n | sort -n | head -1)"
+	if [ "$nearest_expiration" -le "$now" ]; then
+		echo_i "failed: $nearest_expiration <= $now"
+		return 1
+	fi
+)
+
+echo_i "checking expired signatures were updated ($n)"
+retry 10 check_expiry || ret=1
+$DIG $DIGOPTS +noauth a.oldsigs.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.oldsigs.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check jitter distribution.
+echo_i "checking expired signatures were jittered correctly ($n)"
+ret=0
+$DIG $DIGOPTS axfr oldsigs.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+checkjitter dig.out.ns3.test$n || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC->NSEC3 conversion succeeded ($n)"
+ret=0
+$DIG $DIGOPTS nsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.ok.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.ok.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noauth q.nsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.nsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking direct NSEC3 autosigning succeeded ($n)"
+ret=0
+$DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.ok.test$n || ret=1
+[ -s  dig.out.ns3.ok.test$n ] || ret=1
+grep "NSEC3PARAM" dig.out.ns3.ok.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC->NSEC3 conversion failed with NSEC-only key ($n)"
+ret=0
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+    grep "failed: REFUSED" nsupdate.out > /dev/null || ret=1
+else
+    echo_i "skip: RSASHA1 not supported"
+fi
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC3->NSEC conversion succeeded ($n)"
+ret=0
+# this command should result in an empty file:
+$DIG $DIGOPTS +noall +answer nsec3-to-nsec.example. nsec3param @10.53.0.3 > dig.out.ns3.nx.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.nx.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noauth q.nsec3-to-nsec.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.nsec3-to-nsec.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC3->NSEC conversion with 'rndc signing -nsec3param none' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -nsec3param none autonsec3.example. > /dev/null 2>&1
+# this command should result in an empty file:
+no_nsec3param() (
+ $DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.nx.test$n || return 1
+ grep "NSEC3PARAM" dig.out.ns3.nx.test$n > /dev/null && return 1
+ return 0
+)
+retry_quiet 10 no_nsec3param || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (no default) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl1.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 300 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (with default) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl2.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 60 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (mismatched) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl3.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 30 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (existing RRset) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl4.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 30 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NXDOMAIN NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth q.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NXDOMAIN NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NXDOMAIN OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NODATA NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.example. @10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NODATA NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NODATA OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the insecure.example domain
+
+echo_i "checking 1-server insecurity proof NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.insecure.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.insecure.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking 1-server negative insecurity proof NSEC ($n)"
+ret=0
+$DIG $DIGOPTS q.insecure.example. a @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS q.insecure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the secure.example domain
+
+echo_i "checking multi-stage positive validation NSEC/NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.secure.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.secure.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC/NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC/OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC3/NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.secure.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.secure.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC3/NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC3/OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.secure.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.secure.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking empty NODATA OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth empty.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth empty.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+#grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the insecure.secure.example domain (insecurity proof)
+
+echo_i "checking 2-server insecurity proof ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.insecure.secure.example. @10.53.0.2 a \
+	> dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.insecure.secure.example. @10.53.0.4 a \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check a negative response in insecure.secure.example
+
+echo_i "checking 2-server insecurity proof with a negative answer ($n)"
+ret=0
+$DIG $DIGOPTS q.insecure.secure.example. @10.53.0.2 a > dig.out.ns2.test$n \
+	|| ret=1
+$DIG $DIGOPTS q.insecure.secure.example. @10.53.0.4 a > dig.out.ns4.test$n \
+	|| ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking security root query ($n)"
+ret=0
+$DIG $DIGOPTS . @10.53.0.4 key > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation RSASHA256 NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.rsasha256.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.rsasha256.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation RSASHA512 NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.rsasha512.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.rsasha512.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that positive validation in a privately secure zone works ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.private.secure.example. a @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.private.secure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that negative validation in a privately secure zone works ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.private.secure.example. a @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth q.private.secure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking privately secure to nxdomain works ($n)"
+ret=0
+$DIG $DIGOPTS +noauth private2secure-nxdomain.private.secure.example. SOA @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Try validating with a revoked trusted key.
+# This should fail.
+
+echo_i "checking that validation returns insecure due to revoked trusted key ($n)"
+ret=0
+$DIG $DIGOPTS example. soa @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "flags:.*; QUERY" dig.out.ns5.test$n > /dev/null || ret=1
+grep "flags:.* ad.*; QUERY" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that revoked key is present ($n)"
+ret=0
+id=$(cat rev.key)
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that revoked key self-signs ($n)"
+ret=0
+id=$(cat rev.key)
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for unpublished key ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat unpub.key)")
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for activated but unpublished key ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat activate-now-publish-1day.key)")
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that standby key does not sign records ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat standby.key)")
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that deactivated key does not sign records  ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat inact.key)")
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking insertion of public-only key ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat nopriv.key)")
+file="ns1/$(cat nopriv.key).key"
+keydata=$(grep DNSKEY $file)
+$NSUPDATE > /dev/null 2>&1 <<END	|| status=1
+server 10.53.0.1 ${PORT}
+zone .
+ttl 3600
+update add $keydata
+send
+END
+sleep 1
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key deletion ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat del.key)")
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking secure-to-insecure transition, nsupdate ($n)"
+ret=0
+$NSUPDATE > /dev/null 2>&1 <<END	|| status=1
+server 10.53.0.3 ${PORT}
+zone secure-to-insecure.example
+update delete secure-to-insecure.example dnskey
+send
+END
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	ret=0
+	$DIG $DIGOPTS axfr secure-to-insecure.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+	grep -E '(RRSIG|DNSKEY|NSEC)' dig.out.ns3.test$n > /dev/null && ret=1
+	[ $ret -eq 0 ] && break
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking secure-to-insecure transition, scheduled ($n)"
+ret=0
+file="ns3/$(cat del1.key).key"
+$SETTIME -I now -D now $file > settime.out.test$n.1 || ret=1
+file="ns3/$(cat del2.key).key"
+$SETTIME -I now -D now $file > settime.out.test$n.2 || ret=1
+($RNDCCMD 10.53.0.3 sign secure-to-insecure2.example. 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	ret=0
+	$DIG $DIGOPTS axfr secure-to-insecure2.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+	grep -E '(RRSIG|DNSKEY|NSEC3)' dig.out.ns3.test$n > /dev/null && ret=1
+	[ $ret -eq 0 ] && break
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking jitter in a newly signed NSEC3 zone ($n)"
+ret=0
+# Use DNS UPDATE to add an NSEC3PARAM record into the zone.
+$NSUPDATE > nsupdate.out.test$n 2>&1 <<END || ret=1
+server 10.53.0.3 ${PORT}
+zone jitter.nsec3.example.
+update add jitter.nsec3.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+END
+[ $ret != 0 ] && echo_i "error: dynamic update add NSEC3PARAM failed"
+# Create DNSSEC keys in the zone directory.
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -K ns3 jitter.nsec3.example > /dev/null
+# Trigger zone signing.
+($RNDCCMD 10.53.0.3 sign jitter.nsec3.example. 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+# Wait until zone has been signed.
+check_if_nsec3param_exists() {
+	$DIG $DIGOPTS NSEC3PARAM jitter.nsec3.example @10.53.0.3 > dig.out.ns3.1.test$n || return 1
+	grep -q "^jitter\.nsec3\.example\..*NSEC3PARAM" dig.out.ns3.1.test$n || return 1
+}
+retry_quiet 40 check_if_nsec3param_exists || {
+	echo_i "error: NSEC3PARAM not present yet"
+	ret=1
+}
+$DIG $DIGOPTS AXFR jitter.nsec3.example @10.53.0.3 > dig.out.ns3.2.test$n || ret=1
+# Check jitter distribution.
+checkjitter dig.out.ns3.2.test$n || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that serial number and RRSIGs are both updated (rt21045) ($n)"
+ret=0
+oldserial=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 | awk '$0 !~ /SOA/ {print $3}')
+oldinception=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 | awk '/SOA/ {print $6}' | sort -u)
+
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -K ns3 -P 0 -A +6d -I +38d -D +45d prepub.example > /dev/null
+
+($RNDCCMD 10.53.0.3 sign prepub.example 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+newserial=$oldserial
+try=0
+while [ $oldserial -eq $newserial -a $try -lt 42 ]
+do
+	newserial=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 |
+		 awk '$0 !~ /SOA/ {print $3}')
+	sleep 1
+	try=$((try + 1))
+done
+newinception=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 | awk '/SOA/ {print $6}' | sort -u)
+#echo "$oldserial : $newserial"
+#echo "$oldinception : $newinception"
+
+[ "$oldserial" = "$newserial" ] && ret=1
+[ "$oldinception" = "$newinception" ] && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "preparing to test key change corner cases"
+echo_i "removing a private key file"
+file="ns1/$(cat vanishing.key).private"
+rm -f $file
+
+echo_i "preparing ZSK roll"
+starttime=$($PERL -e 'print time(), "\n";')
+oldfile=$(cat active.key)
+oldid=$(keyfile_to_key_id "$(cat active.key)")
+newfile=$(cat standby.key)
+newid=$(keyfile_to_key_id "$(cat standby.key)")
+$SETTIME -K ns1 -I now+2s -D now+25 $oldfile > settime.out.test$n.1 || ret=1
+$SETTIME -K ns1 -i 0 -S $oldfile $newfile > settime.out.test$n.2 || ret=1
+
+# note previous zone serial number
+oldserial=$($DIG $DIGOPTS +short soa . @10.53.0.1 | awk '{print $3}')
+
+($RNDCCMD 10.53.0.1 loadkeys . 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+sleep 4
+
+echo_i "revoking key to duplicated key ID"
+$SETTIME -R now -K ns2 Kbar.+013+59973.key > settime.out.test$n.3 || ret=1
+
+($RNDCCMD 10.53.0.2 loadkeys bar. 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+
+echo_i "waiting for changes to take effect"
+sleep 5
+
+echo_i "checking former standby key $newid is now active ($n)"
+ret=0
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $newid "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking former standby key has only signed incrementally ($n)"
+ret=0
+$DIG $DIGOPTS txt . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $newid "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+grep 'RRSIG.*'" $oldid "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that signing records have been marked as complete ($n)"
+ret=0
+checkprivate . 10.53.0.1 || ret=1
+checkprivate bar 10.53.0.2 || ret=1
+checkprivate example 10.53.0.2 || ret=1
+checkprivate private.secure.example 10.53.0.3 || ret=1
+checkprivate nsec3.example 10.53.0.3 || ret=1
+checkprivate nsec3.nsec3.example 10.53.0.3 || ret=1
+checkprivate nsec3.optout.example 10.53.0.3 || ret=1
+checkprivate nsec3-to-nsec.example 10.53.0.3 || ret=1
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+    checkprivate nsec-only.example 10.53.0.3 || ret=1
+fi
+checkprivate oldsigs.example 10.53.0.3 || ret=1
+checkprivate optout.example 10.53.0.3 || ret=1
+checkprivate optout.nsec3.example 10.53.0.3 || ret=1
+checkprivate optout.optout.example 10.53.0.3 || ret=1
+checkprivate prepub.example 10.53.0.3 1 || ret=1
+checkprivate rsasha256.example 10.53.0.3 || ret=1
+checkprivate rsasha512.example 10.53.0.3 || ret=1
+checkprivate secure.example 10.53.0.3 || ret=1
+checkprivate secure.nsec3.example 10.53.0.3 || ret=1
+checkprivate secure.optout.example 10.53.0.3 || ret=1
+checkprivate secure-to-insecure2.example 10.53.0.3 || ret=1
+checkprivate secure-to-insecure.example 10.53.0.3 || ret=1
+checkprivate ttl1.example 10.53.0.3 || ret=1
+checkprivate ttl2.example 10.53.0.3 || ret=1
+checkprivate ttl3.example 10.53.0.3 || ret=1
+checkprivate ttl4.example 10.53.0.3 || ret=1
+n=$((n + 1))
+status=$((status + ret))
+
+echo_i "forcing full sign"
+($RNDCCMD 10.53.0.1 sign . 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+
+echo_i "waiting for change to take effect"
+sleep 5
+
+echo_i "checking former standby key has now signed fully ($n)"
+ret=0
+$DIG $DIGOPTS txt . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $newid "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking SOA serial number has been incremented ($n)"
+ret=0
+newserial=$($DIG $DIGOPTS +short soa . @10.53.0.1 | awk '{print $3}')
+[ "$newserial" != "$oldserial" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking delayed key publication/activation ($n)"
+ret=0
+zsk=$(cat delayzsk.key)
+ksk=$(cat delayksk.key)
+# publication and activation times should be unset
+$SETTIME -K ns3 -pA -pP $zsk > settime.out.test$n.zsk || ret=1
+grep -v UNSET settime.out.test$n.zsk >/dev/null && ret=1
+$SETTIME -K ns3 -pA -pP $ksk > settime.out.test$n.ksk || ret=1
+grep -v UNSET settime.out.test$n.ksk >/dev/null && ret=1
+$DIG $DIGOPTS +noall +answer dnskey delay.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+# DNSKEY not expected:
+awk 'BEGIN {r=1} $4=="DNSKEY" {r=0} END {exit r}' dig.out.ns3.test$n && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking scheduled key publication, not activation ($n)"
+ret=0
+# Ensure initial zone is loaded.
+wait_for_notifies "delay.example" "ns3" || ret=1
+$SETTIME -K ns3 -P now+3s -A none $zsk > settime.out.test$n.zsk || ret=1
+$SETTIME -K ns3 -P now+3s -A none $ksk > settime.out.test$n.ksk || ret=1
+($RNDCCMD 10.53.0.3 loadkeys delay.example. 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+echo_i "waiting for changes to take effect"
+sleep 3
+wait_for_notifies "delay.example" "ns3" || ret=1
+
+$DIG $DIGOPTS +noall +answer dnskey delay.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+# DNSKEY expected:
+awk 'BEGIN {r=1} $4=="DNSKEY" {r=0} END {exit r}' dig.out.ns3.test$n || ret=1
+# RRSIG not expected:
+awk 'BEGIN {r=1} $4=="RRSIG" {r=0} END {exit r}' dig.out.ns3.test$n && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking scheduled key activation ($n)"
+ret=0
+$SETTIME -K ns3 -A now+3s $zsk > settime.out.test$n.zsk || ret=1
+$SETTIME -K ns3 -A now+3s $ksk > settime.out.test$n.ksk || ret=1
+($RNDCCMD 10.53.0.3 loadkeys delay.example. 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+echo_i "waiting for changes to take effect"
+sleep 3
+wait_for_log 10 "add delay\.example\..*NSEC.a\.delay\.example\. NS SOA RRSIG NSEC DNSKEY" ns3/named.run
+check_is_signed() {
+  $DIG $DIGOPTS +noall +answer dnskey delay.example. @10.53.0.3 > dig.out.ns3.1.test$n || return 1
+  # DNSKEY expected:
+  awk 'BEGIN {r=1} $4=="DNSKEY" {r=0} END {exit r}' dig.out.ns3.1.test$n || return 1
+  # RRSIG expected:
+  awk 'BEGIN {r=1} $4=="RRSIG" {r=0} END {exit r}' dig.out.ns3.1.test$n || return 1
+  $DIG $DIGOPTS +noall +answer a a.delay.example. @10.53.0.3 > dig.out.ns3.2.test$n || return 1
+  # A expected:
+  awk 'BEGIN {r=1} $4=="A" {r=0} END {exit r}' dig.out.ns3.2.test$n || return 1
+  # RRSIG expected:
+  awk 'BEGIN {r=1} $4=="RRSIG" {r=0} END {exit r}' dig.out.ns3.2.test$n || return 1
+  return 0
+}
+retry_quiet 5 check_is_signed || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking former active key was removed ($n)"
+#
+# Work out how long we need to sleep. Allow 4 seconds for the records
+# to be removed.
+#
+now=$($PERL -e 'print time(), "\n";')
+sleep=$((starttime + 29 - now))
+case $sleep in
+-*|0);;
+*) echo_i "waiting for timer to have activated"; sleep $sleep;;
+esac
+ret=0
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$oldid"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking private key file removal caused no immediate harm ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat vanishing.key)")
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking revoked key with duplicate key ID ($n)"
+ret=0
+id=59973
+rid=60101
+$DIG $DIGOPTS +multi dnskey bar @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns2.test$n > /dev/null && ret=1
+keys=$(grep '; key id = '"$rid"'$' dig.out.ns2.test$n | wc -l)
+test $keys -eq 2 || ret=1
+$DIG $DIGOPTS dnskey bar @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key event timers are always set ($n)"
+ret=0
+# this is a regression test for a bug in which the next key event could
+# be scheduled for the present moment, and then never fire.  check for
+# visible evidence of this error in the logs:
+awk '/next key event/ {if ($1 == $8 && $2 == $9) exit 1}' */named.run || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# this confirms that key events are never scheduled more than
+# 'dnssec-loadkeys-interval' minutes in the future, and that the
+# event scheduled is within 10 seconds of expected interval.
+check_interval () {
+        awk '/next key event/ {print $2 ":" $9}' $1/named.run |
+	sed -e 's/\.//g' -e 's/:0\{1,4\}/:/g' |
+            awk -F: '
+                     {
+                       x = ($6+ $5*60000 + $4*3600000) - ($3+ $2*60000 + $1*3600000);
+		       # abs(x) < 1000 ms treat as 'now'
+		       if (x < 1000 && x > -1000)
+                         x = 0;
+		       # convert to seconds
+		       x = x/1000;
+		       # handle end of day roll over
+		       if (x < 0)
+			 x = x + 24*3600;
+		       # handle log timestamp being a few milliseconds later
+                       if (x != int(x))
+                         x = int(x + 1);
+                       if (int(x) > int(interval))
+                         exit (1);
+                     }
+                     END { if (int(x) > int(interval) || int(x) < int(interval-10)) exit(1) }' interval=$2
+        return $?
+}
+
+echo_i "checking automatic key reloading interval ($n)"
+ret=0
+check_interval ns1 3600 || ret=1
+check_interval ns2 1800 || ret=1
+check_interval ns3 600 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for key reloading loops ($n)"
+ret=0
+# every key event should schedule a successor, so these should be equal
+rekey_calls=$(grep "reconfiguring zone keys" ns*/named.run | wc -l)
+rekey_events=$(grep "next key event" ns*/named.run | wc -l)
+[ "$rekey_calls" = "$rekey_events" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "forcing full sign with unreadable keys ($n)"
+ret=0
+chmod 0 ns1/K.+*+*.key ns1/K.+*+*.private || ret=1
+($RNDCCMD 10.53.0.1 sign . 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+$DIG $DIGOPTS . @10.53.0.1 dnskey > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test turning on auto-dnssec during reconfig ($n)"
+ret=0
+# first create a zone that doesn't have auto-dnssec
+($RNDCCMD 10.53.0.3 addzone reconf.example '{ type primary; file "reconf.example.db"; };' 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+rekey_calls=$(grep "zone reconf.example.*next key event" ns3/named.run | wc -l)
+[ "$rekey_calls" -eq 0 ] || ret=1
+# ...then we add auto-dnssec and reconfigure
+($RNDCCMD 10.53.0.3 modzone reconf.example '{ type primary; file "reconf.example.db"; allow-update { any; }; auto-dnssec maintain; };' 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+rndc_reconfig ns3 10.53.0.3
+for i in 0 1 2 3 4 5 6 7 8 9; do
+    lret=0
+    rekey_calls=$(grep "zone reconf.example.*next key event" ns3/named.run | wc -l)
+    [ "$rekey_calls" -gt 0 ] || lret=1
+    if [ "$lret" -eq 0 ]; then break; fi
+    echo_i "waiting ... ($i)"
+    sleep 1
+done
+n=$((n + 1))
+if [ "$lret" != 0 ]; then ret=$lret; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test CDS and CDNSKEY auto generation ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 sync.example cds > dig.out.ns3.cdstest$n
+$DIG $DIGOPTS @10.53.0.3 sync.example cdnskey > dig.out.ns3.cdnskeytest$n
+grep -i "sync.example.*in.cds.*[1-9][0-9]* " dig.out.ns3.cdstest$n > /dev/null || ret=1
+grep -i "sync.example.*in.cdnskey.*257 " dig.out.ns3.cdnskeytest$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test 'dnssec-dnskey-kskonly no' affects DNSKEY/CDS/CDNSKEY ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 sync.example dnskey > dig.out.ns3.dnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 sync.example cdnskey > dig.out.ns3.cdnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 sync.example cds > dig.out.ns3.cdstest$n
+lines=$(awk '$4 == "RRSIG" && $5 == "DNSKEY" {print}' dig.out.ns3.dnskeytest$n | wc -l)
+test ${lines:-0} -eq 2 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.ns3.cdnskeytest$n | wc -l)
+test ${lines:-0} -eq 2 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.ns3.cdstest$n | wc -l)
+test ${lines:-0} -eq 2 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test 'dnssec-dnskey-kskonly yes' affects DNSKEY/CDS/CDNSKEY ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 kskonly.example dnskey > dig.out.ns3.dnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 kskonly.example cdnskey > dig.out.ns3.cdnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 kskonly.example cds > dig.out.ns3.cdstest$n
+lines=$(awk '$4 == "RRSIG" && $5 == "DNSKEY" {print}' dig.out.ns3.dnskeytest$n | wc -l)
+test ${lines:-0} -eq 1 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.ns3.cdnskeytest$n | wc -l)
+test ${lines:-0} -eq 1 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.ns3.cdstest$n | wc -l)
+test ${lines:-0} -eq 1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "setting CDS and CDNSKEY deletion times and calling 'rndc loadkeys'"
+$SETTIME -D sync now $(cat sync.key) > settime.out.test$n || ret=1
+($RNDCCMD 10.53.0.3 loadkeys sync.example | sed 's/^/ns3 /' | cat_i) || ret=1
+
+echo_i "checking that the CDS and CDNSKEY are deleted ($n)"
+ret=0
+ensure_cds_and_cdnskey_are_deleted() {
+	$DIG $DIGOPTS @10.53.0.3 sync.example. CDS > dig.out.ns3.cdstest$n || return 1
+	awk '$1 == "sync.example." && $4 == "CDS" { exit 1; }' dig.out.ns3.cdstest$n || return 1
+	$DIG $DIGOPTS @10.53.0.3 sync.example. CDNSKEY > dig.out.ns3.cdnskeytest$n || return 1
+	awk '$1 == "sync.example." && $4 == "CDNSKEY" { exit 1; }' dig.out.ns3.cdnskeytest$n || return 1
+}
+retry 10 ensure_cds_and_cdnskey_are_deleted || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that dnssec-settime -p Dsync works ($n)"
+ret=0
+$SETTIME -p Dsync $(cat sync.key) > settime.out.test$n || ret=1
+grep "SYNC Delete:" settime.out.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that dnssec-settime -p Psync works ($n)"
+ret=0
+$SETTIME -p Psync $(cat sync.key) > settime.out.test$n || ret=1
+grep "SYNC Publish:" settime.out.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that zone with inactive KSK and active ZSK is properly autosigned ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inacksk2.example > dig.out.ns3.test$n
+
+zskid=$(awk '$4 == "DNSKEY" && $5 == 256 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inacksk2.example | awk '{ print $4}' )
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${zskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null || ret=1
+
+kskid=$(awk '$4 == "DNSKEY" && $5 == 257 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inacksk2.example | awk '{ print $4}' )
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${kskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null && ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that zone with inactive ZSK and active KSK is properly autosigned ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inaczsk2.example > dig.out.ns3.test$n
+grep "SOA ${DEFAULT_ALGORITHM_NUMBER} 2" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Check that DNSKEY is now signed with the ZSK.
+#
+echo_i "check that zone with active and inactive KSK and active ZSK is properly"
+echo_ic "resigned after the active KSK is deleted - stage 2: Verify that DNSKEY"
+echo_ic "is now signed with the ZSK. ($n)"
+ret=0
+
+$DIG $DIGOPTS @10.53.0.3 axfr inacksk3.example > dig.out.ns3.test$n
+
+zskid=$(awk '$4 == "DNSKEY" && $5 == 256 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inacksk3.example | awk '{ print $4}' )
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${zskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null || ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "RRSIG" && $5 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 2 || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Check that zone is now signed with the KSK.
+#
+echo_i "check that zone with active and inactive ZSK and active KSK is properly"
+echo_ic "resigned after the active ZSK is deleted - stage 2: Verify that zone"
+echo_ic "is now signed with the KSK. ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inaczsk3.example > dig.out.ns3.test$n
+kskid=$(awk '$4 == "DNSKEY" && $5 == 257 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inaczsk3.example | awk '{ print $4}' )
+grep "CNAME ${DEFAULT_ALGORITHM_NUMBER} 3 [0-9]* [0-9]* [0-9]* ${kskid} " dig.out.ns3.test$n > /dev/null || ret=1
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "RRSIG" && $5 == "CNAME" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 2 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for out-of-zone NSEC3 records after ZSK removal ($n)"
+ret=0
+# Switch the zone over to NSEC3 and wait until the transition is complete.
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 1 10 12345678 delzsk.example. > signing.out.1.test$n 2>&1 || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	_ret=1
+	$DIG $DIGOPTS delzsk.example NSEC3PARAM @10.53.0.3 > dig.out.ns3.1.test$n 2>&1 || ret=1
+	grep "NSEC3PARAM.*12345678" dig.out.ns3.1.test$n > /dev/null 2>&1
+	if [ $? -eq 0 ]; then
+		$RNDCCMD 10.53.0.3 signing -list delzsk.example > signing.out.2.test$n 2>&1
+		grep "Creating NSEC3 chain " signing.out.2.test$n > /dev/null 2>&1
+		if [ $? -ne 0 ]; then
+			_ret=0
+			break
+		fi
+	fi
+	sleep 1
+done
+if [ $_ret -ne 0 ]; then
+	echo_i "timed out waiting for NSEC3 chain creation"
+	ret=1
+fi
+# Mark the inactive ZSK as pending removal.
+file="ns3/$(cat delzsk.key).key"
+$SETTIME -D now-1h $file > settime.out.test$n || ret=1
+# Trigger removal of the inactive ZSK and wait until its completion.
+($RNDCCMD 10.53.0.3 loadkeys delzsk.example 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	_ret=1
+	$RNDCCMD 10.53.0.3 signing -list delzsk.example > signing.out.3.test$n 2>&1
+	grep "Signing " signing.out.3.test$n > /dev/null 2>&1
+	if [ $? -ne 0 ]; then
+		if [ $(grep "Done signing " signing.out.3.test$n | wc -l) -eq 2 ]; then
+			_ret=0
+			break
+		fi
+	fi
+	sleep 1
+done
+if [ $_ret -ne 0 ]; then
+	echo_i "timed out waiting for key removal"
+	ret=1
+fi
+# Check whether key removal caused NSEC3 records to be erroneously created for
+# glue records due to a secure delegation already being signed by the active key
+# (i.e. a key other than the one being removed but using the same algorithm).
+#
+# For reference:
+#
+#     $ nsec3hash 12345678 1 10 ns.sub.delzsk.example.
+#     589R358VSPJUFVAJU949JPVF74D9PTGH (salt=12345678, hash=1, iterations=10)
+#
+$DIG $DIGOPTS delzsk.example AXFR @10.53.0.3 > dig.out.ns3.3.test$n || ret=1
+grep "589R358VSPJUFVAJU949JPVF74D9PTGH" dig.out.ns3.3.test$n > /dev/null 2>&1 && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that DNAME at apex with NSEC3 is correctly signed (auto-dnssec maintain) ($n)"
+ret=0
+$DIG $DIGOPTS txt dname-at-apex-nsec3.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "RRSIG NSEC3 ${DEFAULT_ALGORITHM_NUMBER} 3 600" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that DNAME is not treated as a delegation when signing ($n)"
+ret=0
+$DIG $DIGOPTS dname-and-txt.secure.example. DNAME @10.53.0.3 > dig.out.ns3.1.test$n || ret=1
+grep "dname-and-txt.secure.example.*RRSIG.*DNAME" dig.out.ns3.1.test$n > /dev/null 2>&1 || ret=1
+$DIG $DIGOPTS dname-and-txt.secure.example. TXT @10.53.0.3 > dig.out.ns3.2.test$n || ret=1
+grep "dname-and-txt.secure.example.*RRSIG.*TXT" dig.out.ns3.2.test$n > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key maintenance events were logged correctly ($n)"
+ret=0
+pub=$(grep "DNSKEY .* is now published" ns1/named.run | wc -l)
+[ "$pub" -eq 6 ] || ret=1
+act=$(grep "DNSKEY .* is now active" ns1/named.run | wc -l)
+[ "$act" -eq 5 ] || ret=1
+rev=$(grep "DNSKEY .* is now revoked" ns1/named.run | wc -l)
+[ "$rev" -eq 1 ] || ret=1
+inac=$(grep "DNSKEY .* is now inactive" ns1/named.run | wc -l)
+[ "$inac" -eq 1 ] || ret=1
+del=$(grep "DNSKEY .* is now deleted" ns1/named.run | wc -l)
+[ "$del" -eq 1 ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that CDS (DELETE) persists after zone sign ($n)"
+echo_i "update add cds-delete.example. CDS 0 0 00"
+ret=0
+$NSUPDATE > nsupdate.out 2>&1 <<END
+server 10.53.0.3 ${PORT}
+zone cds-delete.example.
+update add cds-delete.example. 3600 CDS 0 0 0 00
+send
+END
+
+_cds_delete() (
+	$DIG $DIGOPTS +noall +answer $1 cds @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDS.*0.*0.*0.*00" dig.out.ns3.test$n > /dev/null 2>&1 || return 1
+	return 0
+)
+_cdnskey_delete_nx() {
+	$DIG $DIGOPTS +noall +answer $1 cdnskey @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDNSKEY.*0.*3.*0.*AA==" dig.out.ns3.test$n > /dev/null 2>&1 && return 1
+	return 0
+}
+
+echo_i "query cds-delete.example. CDS"
+retry_quiet 10 _cds_delete cds-delete.example. || ret=1
+echo_i "query cds-delete.example. CDNSKEY"
+retry_quiet 1 _cdnskey_delete_nx cds-delete.example. || ret=1
+
+echo_i "sign cds-delete.example."
+nextpart ns3/named.run >/dev/null
+$RNDCCMD 10.53.0.3 sign cds-delete.example > /dev/null 2>&1 || ret=1
+wait_for_log 10 "zone cds-delete.example/IN: next key event" ns3/named.run
+# The CDS (DELETE) record should still be here.
+echo_i "query cds-delete.example. CDS"
+retry_quiet 1 _cds_delete cds-delete.example. || ret=1
+# The CDNSKEY (DELETE) record should still not be added.
+echo_i "query cds-delete.example. CDNSKEY"
+retry_quiet 1 _cdnskey_delete_nx cds-delete.example. || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that CDNSKEY (DELETE) persists after zone sign ($n)"
+echo_i "update add cdnskey-delete.example. CDNSKEY 0 3 0 AA=="
+ret=0
+$NSUPDATE > nsupdate.out 2>&1 <<END
+server 10.53.0.3 ${PORT}
+zone cdnskey-delete.example.
+update add cdnskey-delete.example. 3600 CDNSKEY 0 3 0 AA==
+send
+END
+
+_cds_delete_nx() (
+	$DIG $DIGOPTS +noall +answer $1 cds @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDS.*0.*0.*0.*00" dig.out.ns3.test$n > /dev/null 2>&1 && return 1
+	return 0
+)
+_cdnskey_delete() {
+	$DIG $DIGOPTS +noall +answer $1 cdnskey @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDNSKEY.*0.*3.*0.*AA==" dig.out.ns3.test$n > /dev/null 2>&1 || return 1
+	return 0
+}
+
+echo_i "query cdnskey-delete.example. CDNSKEY"
+retry_quiet 10 _cdnskey_delete cdnskey-delete.example. || ret=1
+echo_i "query cdnskey-delete.example. CDS"
+retry_quiet 1 _cds_delete_nx cdnskey-delete.example. || ret=1
+
+echo_i "sign cdsnskey-delete.example."
+nextpart ns3/named.run >/dev/null
+$RNDCCMD 10.53.0.3 sign cdnskey-delete.example > /dev/null 2>&1 || ret=1
+wait_for_log 10 "zone cdnskey-delete.example/IN: next key event" ns3/named.run
+# The CDNSKEY (DELETE) record should still be here.
+echo_i "query cdnskey-delete.example. CDNSKEY"
+retry_quiet 1 _cdnskey_delete cdnskey-delete.example. || ret=1
+# The CDS (DELETE) record should still not be added.
+echo_i "query cdnskey-delete.example. CDS"
+retry_quiet 1 _cds_delete_nx cdnskey-delete.example. || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check removal of ENT NSEC3 records when opt out delegations are removed ($n)"
+ret=0
+zone=optout-with-ent
+hash=JTR8R6AVFULU0DQH9I6HNN2KUK5956EL
+# check that NSEC3 for ENT is present
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.pre.ns2.test$n
+grep "status: NOERROR" dig.out.pre.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4, " dig.out.pre.ns2.test$n > /dev/null || ret=1
+grep "^${hash}.${zone}." dig.out.pre.ns2.test$n > /dev/null || ret=1
+# remove first delegation of two delegations, NSEC3 for ENT should remain.
+(
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update del sub1.ent.$zone NS
+echo send
+) | $NSUPDATE
+# check that NSEC3 for ENT is still present
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.pre.ns2.test$n
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.mid.ns2.test$n
+grep "status: NOERROR" dig.out.mid.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4, " dig.out.mid.ns2.test$n > /dev/null || ret=1
+grep "^${hash}.${zone}." dig.out.mid.ns2.test$n > /dev/null || ret=1
+# remove second delegation of two delegations, NSEC3 for ENT should be deleted.
+(
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update del sub2.ent.$zone NS
+echo send
+) | $NSUPDATE
+# check that NSEC3 for ENT is gone present
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.post.ns2.test$n
+grep "status: NXDOMAIN" dig.out.post.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4, " dig.out.post.ns2.test$n > /dev/null || ret=1
+grep "^${hash}.${zone}." dig.out.post.ns2.test$n > /dev/null && ret=1
+$DIG $DIGOPTS @10.53.0.2 axfr "${zone}" > dig.out.axfr.ns2.test$n
+grep "^${hash}.${zone}." dig.out.axfr.ns2.test$n > /dev/null && ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1