3577. [bug] Handle zero TTL values better. [RT #33411]

bin/tests/system/zero/tests.sh

@@ -0,0 +1,48 @@
+# Copyright (C) 2013  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+SYSTEMTESTTOP=..
+. $SYSTEMTESTTOP/conf.sh
+
+status=0
+echo "I:check lookups against zero TTL records"
+i=0
+passes=10
+$DIG -p 5300 @10.53.0.2 axfr example | 
+awk '$2 == "0" { print "-q", $1, $4; print "-q", "zzz"$1, $4;}' > query.list
+while [ $i -lt $passes ]
+do
+	ret=0
+	$DIG -p 5300 @10.53.0.3 -f query.list > dig.out$i.1 &
+	$DIG -p 5300 @10.53.0.3 -f query.list > dig.out$i.2 &
+	$DIG -p 5300 @10.53.0.3 -f query.list > dig.out$i.3 &
+	$DIG -p 5300 @10.53.0.3 -f query.list > dig.out$i.4 &
+	$DIG -p 5300 @10.53.0.3 -f query.list > dig.out$i.5 &
+	$DIG -p 5300 @10.53.0.3 -f query.list > dig.out$i.6 &
+	wait
+	grep "status: SERVFAIL" dig.out$i.1 && ret=1
+	grep "status: SERVFAIL" dig.out$i.2 && ret=1
+	grep "status: SERVFAIL" dig.out$i.3 && ret=1
+	grep "status: SERVFAIL" dig.out$i.5 && ret=1
+	grep "status: SERVFAIL" dig.out$i.6 && ret=1
+	grep "status: SERVFAIL" dig.out$i.6 && ret=1
+	[ $ret = 1 ] && break
+	i=`expr $i + 1`
+	echo "I: successfully completed pass $i of $passes"
+done
+if [ $ret != 0 ]; then echo "I:failed"; fi
+status=`expr $status + $ret`
+
+echo "I:exit status: $status"
+exit $status