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[master] EDNS padding and keepalive support

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4549.	[func]		Added support for the EDNS TCP Keepalive option
			(RFC 7828). [RT #42126]

4548.	[func]		Added support for the EDNS Padding option (RFC 7830).
			[RT #42094]
This commit is contained in:
Evan Hunt
2017-01-04 09:16:30 -08:00
parent e0d4e0ee8e
commit 5804332588
50 changed files with 3169 additions and 72 deletions
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92
bin/tests/system/keepalive/tests.sh Normal file
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#!/bin/sh
#
# Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC")
#
# 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 http://mozilla.org/MPL/2.0/.
SYSTEMTESTTOP=..
. $SYSTEMTESTTOP/conf.sh
RNDCCMD="$RNDC -c ../common/rndc.conf -s 10.53.0.2 -p 9953"
n=0
status=0
echo "I:checking that dig handles TCP keepalive ($n)"
ret=0
n=`expr $n + 1`
$DIG +qr +keepalive foo.example @10.53.0.2 -p 5300 > dig.out.test$n
grep "; TCP KEEPALIVE" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking that dig added TCP keepalive ($n)"
ret=0
n=`expr $n + 1`
$RNDCCMD stats
grep "EDNS TCP keepalive option received" ns2/named.stats > /dev/null || ret=1
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking that TCP keepalive is added for TCP responses ($n)"
ret=0
n=`expr $n + 1`
$DIG +vc +keepalive foo.example @10.53.0.2 -p 5300 > dig.out.test$n
grep "; TCP KEEPALIVE" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking that TCP keepalive requires TCP ($n)"
ret=0
n=`expr $n + 1`
$DIG +keepalive foo.example @10.53.0.2 -p 5300 > dig.out.test$n
grep "; TCP KEEPALIVE" dig.out.test$n > /dev/null && ret=1
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking default value ($n)"
ret=0
n=`expr $n + 1`
$DIG +vc +keepalive foo.example @10.53.0.3 -p 5300 > dig.out.test$n
grep "; TCP KEEPALIVE: 30.0 secs" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking configured value ($n)"
ret=0
n=`expr $n + 1`
$DIG +vc +keepalive foo.example @10.53.0.2 -p 5300 > dig.out.test$n
grep "; TCP KEEPALIVE: 15.0 secs" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking re-configured value ($n)"
ret=0
n=`expr $n + 1`
$RNDCCMD tcp-timeouts 300 300 300 200 > output
diff output expected || ret=1
$DIG +vc +keepalive foo.example @10.53.0.2 -p 5300 > dig.out.test$n
grep "; TCP KEEPALIVE: 20.0 secs" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking server config entry ($n)"
ret=0
n=`expr $n + 1`
$RNDCCMD stats
oka=`grep "EDNS TCP keepalive option received" ns2/named.stats | \
tail -1 | awk '{ print $1}'`
$DIG bar.example @10.53.0.3 -p 5300 > dig.out.test$n
$RNDCCMD stats
nka=`grep "EDNS TCP keepalive option received" ns2/named.stats | \
tail -1 | awk '{ print $1}'`
#echo oka ':' $oka
#echo nka ':' $nka
if [ "$oka" -eq "$nka" ]; then ret=1; fi
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:exit status: $status"
[ $status -eq 0 ] || exit 1