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, 515 insertions, 0 deletions

diff --git a/bin/tests/system/cookie/tests.sh b/bin/tests/system/cookie/tests.sh
new file mode 100755
index 0000000..29ace6f
--- /dev/null
+++ b/bin/tests/system/cookie/tests.sh
@@ -0,0 +1,515 @@
+#!/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
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c $SYSTEMTESTTOP/common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+n=0
+
+getcookie() {
+	awk '$2 == "COOKIE:" {
+		print $3;
+	}' < $1 | tr -d '\r'
+}
+
+fullcookie() {
+	awk 'BEGIN { n = 0 }
+	     // { v[n++] = length(); }
+	     END { print (v[1] == v[2]); }'
+}
+
+havetc() {
+	grep 'flags:.* tc[^;]*;' $1 > /dev/null
+}
+
+for bad in bad*.conf
+do
+	n=`expr $n + 1`
+	echo_i "checking that named-checkconf detects error in $bad ($n)"
+	ret=0
+	$CHECKCONF $bad > /dev/null 2>&1 && ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=`expr $status + $ret`
+done
+
+for good in good*.conf
+do
+	n=`expr $n + 1`
+	echo_i "checking that named-checkconf detects accepts $good ($n)"
+	ret=0
+	$CHECKCONF $good > /dev/null 2>&1 || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=`expr $status + $ret`
+done
+
+n=`expr $n + 1`
+echo_i "checking RCODE=FORMERR to query without question section and without COOKIE option ($n)"
+ret=0
+$DIG $DIGOPTS +qr +header-only +nocookie version.bind txt ch @10.53.0.1 > dig.out.test$n
+grep COOKIE: dig.out.test$n > /dev/null && ret=1
+grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking RCODE=NOERROR to query without question section and with COOKIE option ($n)"
+ret=0
+$DIG $DIGOPTS +qr +header-only +cookie version.bind txt ch @10.53.0.1 > dig.out.test$n
+grep COOKIE: dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking COOKIE token is returned to empty COOKIE option ($n)"
+ret=0
+$DIG $DIGOPTS +cookie version.bind txt ch @10.53.0.1 > dig.out.test$n
+grep COOKIE: dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking COOKIE is not returned when answer-cookie is false ($n)"
+ret=0
+$DIG $DIGOPTS +cookie version.bind txt ch @10.53.0.7 > dig.out.test$n
+grep COOKIE: dig.out.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking response size without COOKIE ($n)"
+ret=0
+$DIG $DIGOPTS large.example txt @10.53.0.1 +ignore > dig.out.test$n
+havetc dig.out.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking response size without valid COOKIE ($n)"
+ret=0
+$DIG $DIGOPTS +cookie large.example txt @10.53.0.1 +ignore > dig.out.test$n
+havetc dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking response size with COOKIE ($n)"
+ret=0
+$DIG $DIGOPTS +cookie large.example txt @10.53.0.1 > dig.out.test$n.l
+cookie=`getcookie dig.out.test$n.l`
+$DIG $DIGOPTS +qr +cookie=$cookie large.example txt @10.53.0.1 +ignore > dig.out.test$n
+havetc dig.out.test$n && ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking response size with COOKIE recursive ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=$cookie large.xxx txt @10.53.0.1 +ignore > dig.out.test$n
+havetc dig.out.test$n && ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking COOKIE is learnt for TCP retry ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie large.example txt @10.53.0.1 > dig.out.test$n
+linecount=`getcookie dig.out.test$n | wc -l`
+if [ $linecount != 3 ]; then ret=1; fi
+checkfull=`getcookie dig.out.test$n | fullcookie`
+if [ $checkfull != 1 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking for COOKIE value in adb ($n)"
+ret=0
+rndc_dumpdb ns1
+grep "10.53.0.2.*\[cookie=" ns1/named_dump.db.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking require-server-cookie default (no) ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie +nobadcookie soa @10.53.0.1 > dig.out.test$n
+grep BADCOOKIE dig.out.test$n > /dev/null && ret=1
+linecount=`getcookie dig.out.test$n | wc -l`
+if [ $linecount != 2 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking require-server-cookie yes ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie +nobadcookie soa @10.53.0.3 > dig.out.test$n
+grep "flags: qr[^;]* aa[ ;]" dig.out.test$n > /dev/null && ret=1
+grep "flags: qr[^;]* ad[ ;]" dig.out.test$n > /dev/null && ret=1
+grep BADCOOKIE dig.out.test$n > /dev/null || ret=1
+linecount=`getcookie dig.out.test$n | wc -l`
+if [ $linecount != 2 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "checking require-server-cookie yes with rate-limit ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie +nobadcookie soa example @10.53.0.8 > dig.out.test$n
+grep "flags: qr[^;]* ad[ ;]" dig.out.test$n > /dev/null && ret=1
+grep BADCOOKIE dig.out.test$n > /dev/null || ret=1
+linecount=`getcookie dig.out.test$n | wc -l`
+if [ $linecount != 2 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "send undersized cookie ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=000000 soa @10.53.0.1 > dig.out.test$n || ret=1
+grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "send oversized for named cookie ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=${cookie}00 soa @10.53.0.1 > dig.out.test$n || ret=1
+grep "COOKIE: [a-f0-9]* (good)" dig.out.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "send oversized for named cookie with server requiring a good cookie ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=${cookie}00 soa @10.53.0.3 > dig.out.test$n || ret=1
+grep "COOKIE: [a-f0-9]* (good)" dig.out.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+#
+# Test shared cookie-secret support.
+#
+# NS4 has cookie-secret "569d36a6cc27d6bf55502183302ba352";
+#
+# NS5 has cookie-secret "569d36a6cc27d6bf55502183302ba352";
+# NS5 has cookie-secret "6b300e27a0db46d4b046e4189790fa7d"; (alternate)
+#
+# NS6 has cookie-secret "6b300e27a0db46d4b046e4189790fa7d";
+#
+# Server cookies from NS4 are accepted by NS5 and not NS6
+# Server cookies from NS5 are accepted by NS4 and not NS6
+# Server cookies from NS6 are accepted by NS5 and not NS4
+#
+# Force local address so that the client's address is the same to all servers.
+#
+
+n=`expr $n + 1`
+echo_i "get NS4 cookie for cross server checking ($n)"
+ret=0
+$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.4 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+ns4cookie=`getcookie dig.out.test$n`
+test -n "$ns4cookie" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "get NS5 cookie for cross server checking ($n)"
+ret=0
+$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.5 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+ns5cookie=`getcookie dig.out.test$n`
+test -n "$ns5cookie" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "get NS6 cookie for cross server checking ($n)"
+ret=0
+$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.6 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+ns6cookie=`getcookie dig.out.test$n`
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "test NS4 cookie on NS5 (expect success) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns4cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.5 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "test NS4 cookie on NS6 (expect badcookie) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns4cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.6 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "test NS5 cookie on NS4 (expect success) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns5cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.4 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "test NS5 cookie on NS6 (expect badcookie) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns5cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.6 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "test NS6 cookie on NS4 (expect badcookie) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns6cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.4 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "test NS6 cookie on NS5 (expect success) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns6cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.5 > dig.out.test$n
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "check that test server is correctly configured ($n)"
+ret=0
+pat="; COOKIE: ................................ (good)"
+#UDP
+$DIG $DIGOPTS @10.53.0.9 +notcp tld > dig.out.test$n.1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.1 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.1 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.1 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +notcp tcponly.tld > dig.out.test$n.2
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.2 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null  || ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +notcp nocookie.tld > dig.out.test$n.3
+grep "status: NOERROR" dig.out.test$n.3 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.3 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.3 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.3 > /dev/null  || ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +notcp withtsig.tld > dig.out.test$n.4
+grep "status: NOERROR" dig.out.test$n.4 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.4 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.4 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.4 > /dev/null || ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.4 > /dev/null || ret=1
+
+#TCP
+$DIG $DIGOPTS @10.53.0.9 +tcp tld > dig.out.test$n.5
+grep "status: NOERROR" dig.out.test$n.5 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.5 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.5 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.5 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +tcp tcponly.tld > dig.out.test$n.6
+grep "status: NOERROR" dig.out.test$n.6 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.6 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.6 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.6 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +tcp nocookie.tld > dig.out.test$n.7
+grep "status: NOERROR" dig.out.test$n.7 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.7 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.7 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.7 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +tcp withtsig.tld > dig.out.test$n.8
+grep "status: NOERROR" dig.out.test$n.8 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.8 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.8 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.8 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.8 > /dev/null && ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "check that spoofed response is dropped when we have a server cookie ($n)"
+ret=0
+msg="missing expected cookie from"
+pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
+# prime EDNS COOKIE state
+$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+rndc_dumpdb ns1
+grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+# spoofed response contains 10.53.0.10
+nextpart ns1/named.run >/dev/null
+$DIG $DIGOPTS @10.53.0.1 tcponly.tld > dig.out.test$n.2
+wait_for_log 5 "$msg" ns1/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "check that gracefully handle server disabling DNS COOKIE we have a server cookie ($n)"
+ret=0
+msg="missing expected cookie from"
+pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
+# prime EDNS COOKIE state
+$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+rndc_dumpdb ns1
+grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+# check the disabled server response
+nextpart ns1/named.run >/dev/null
+$DIG $DIGOPTS @10.53.0.1 nocookie.tld > dig.out.test$n.2
+wait_for_log 5 "$msg" ns1/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+n=`expr $n + 1`
+echo_i "check that spoofed response with a TSIG is dropped when we have a server cookie ($n)"
+ret=0
+pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
+# prime EDNS COOKIE state
+$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+rndc_dumpdb ns1
+grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+# spoofed response contains 10.53.0.10
+nextpart ns1/named.run >/dev/null
+$DIG $DIGOPTS @10.53.0.1 withtsig.tld > dig.out.test$n.2
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
+nextpart ns1/named.run > named.run.test$n
+count=$(grep -c ') [0-9][0-9]* NOERROR 0' named.run.test$n)
+test $count -eq 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=`expr $status + $ret`
+
+if $PYTHON -c '
+import dns.version, sys;
+if dns.version.MAJOR > 1: sys.exit(0);
+if dns.version.MAJOR == 1 and dns.version.MINOR >= 16: sys.exit(0);
+sys.exit(1)'
+then
+  n=`expr $n + 1`
+  echo_i "check that TSIG test server is correctly configured ($n)"
+  ret=0
+  pat="; COOKIE: ................................ (good)"
+  key=hmac-sha256:foo:aaaaaaaaaaaa
+  #UDP
+  $DIG $DIGOPTS @10.53.0.10 -y $key +notcp tsig. > dig.out.test$n.1
+  grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+  grep "$pat" dig.out.test$n.1 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.1 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.1 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +notcp tcponly.tsig > dig.out.test$n.2
+  grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+  grep "; COOKIE:" dig.out.test$n.2 > /dev/null && ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null  || ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +notcp nocookie.tsig > dig.out.test$n.3
+  grep "status: NOERROR" dig.out.test$n.3 > /dev/null || ret=1
+  grep "; COOKIE:" dig.out.test$n.3 > /dev/null && ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.3 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.3 > /dev/null  || ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  #TCP
+  $DIG $DIGOPTS @10.53.0.10 -y $key +tcp tsig. > dig.out.test$n.5
+  grep "status: NOERROR" dig.out.test$n.5 > /dev/null || ret=1
+  grep "$pat" dig.out.test$n.5 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.5 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.5 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +tcp tcponly.tsig > dig.out.test$n.6
+  grep "status: NOERROR" dig.out.test$n.6 > /dev/null || ret=1
+  grep "$pat" dig.out.test$n.6 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.6 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.6 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +tcp nocookie.tsig > dig.out.test$n.7
+  grep "status: NOERROR" dig.out.test$n.7 > /dev/null || ret=1
+  grep "; COOKIE:" dig.out.test$n.7 > /dev/null && ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.7 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.7 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=`expr $status + $ret`
+
+  n=`expr $n + 1`
+  echo_i "check that missing COOKIE with a valid TSIG signed response does not trigger TCP fallback ($n)"
+  ret=0
+  pat='10\.53\.0\.10 .*\[cookie=................................\] \[ttl'
+  # prime EDNS COOKIE state
+  $DIG $DIGOPTS @10.53.0.1 tsig. > dig.out.test$n.1
+  grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+  rndc_dumpdb ns1
+  grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+  # check the disabled server response
+  nextpart ns1/named.run >/dev/null
+  $DIG $DIGOPTS @10.53.0.1 nocookie.tsig > dig.out.test$n.2
+  grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null || ret=1
+  nextpart ns1/named.run > named.run.test$n
+  count=$(grep -c ') [0-9][0-9]* NOERROR 0' named.run.test$n)
+  test $count -eq 2 || ret=1
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=`expr $status + $ret`
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1