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3282. [bug] Restrict the TTL of NS RRset to no more than that

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of the old NS RRset when replacing it. [RT #27792]
This commit is contained in:
Mark Andrews
2012-02-09 20:54:46 +00:00
parent cfe57ec3e6
commit fb604d1cee
10 changed files with 164 additions and 6 deletions
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31
bin/tests/system/resolver/tests.sh
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@@ -15,7 +15,7 @@
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
# $Id: tests.sh,v 1.20 2011/07/28 03:18:17 each Exp $
# $Id: tests.sh,v 1.21 2012/02/09 20:54:45 marka Exp $
SYSTEMTESTTOP=..
. $SYSTEMTESTTOP/conf.sh
@@ -264,6 +264,35 @@ $DIG @10.53.0.7 -p 5300 -x 172.20.1.1 > dig.ns4.out.19.${n} || ret=1
grep 'flags: qr rd ra;' dig.ns4.out.19.${n} > /dev/null || ret=1
if [ $ret != 0 ]; then echo "I:failed"; status=1; fi
n=`expr $n + 1`
echo "I:checking that removal of a delegation is honoured ($n)"
ret=0
$DIG -p 5300 @10.53.0.5 www.to-be-removed.tld A > dig.ns5.prime.${n}
grep "status: NOERROR" dig.ns5.prime.${n} > /dev/null || { ret=1; echo "I: priming failed"; }
cp ns4/tld2.db ns4/tld.db
($RNDC -c ../common/rndc.conf -s 10.53.0.4 -p 9953 reload tld 2>&1 ) |
sed -e '/reload queued/d' -e 's/^/I:ns4 /'
old=
for i in 0 1 2 3 4 5 6 7 8 9
do
foo=0
$DIG -p 5300 @10.53.0.5 ns$i.to-be-removed.tld A > /dev/null
$DIG -p 5300 @10.53.0.5 www.to-be-removed.tld A > dig.ns5.out.${n}
grep "status: NXDOMAIN" dig.ns5.out.${n} > /dev/null || foo=1
[ $foo = 0 ] && break
$NSUPDATE << EOF
server 10.53.0.6 5300
zone to-be-removed.tld
update add to-be-removed.tld 100 NS ns${i}.to-be-removed.tld
update delete to-be-removed.tld NS ns${old}.to-be-removed.tld
send
EOF
old=$i
sleep 1
done
[ $ret = 0 ] && ret=$foo;
if [ $ret != 0 ]; then echo "I:failed"; status=1; fi
echo "I:exit status: $status"
exit $status