141 lines
4.7 KiB
Bash
141 lines
4.7 KiB
Bash
#!/bin/sh
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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# SPDX-License-Identifier: MPL-2.0
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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set -e
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. ../conf.sh
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n=0
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status=0
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DIGOPTS="-p ${PORT}"
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RNDCCMD="$RNDC -c ../_common/rndc.conf -p ${CONTROLPORT} -s"
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getcookie() {
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awk '$2 == "COOKIE:" {
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print $3;
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}' <$1
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}
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echo_i "checking that dig handles padding ($n)"
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ret=0
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n=$((n + 1))
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$DIG $DIGOPTS +qr +padding=128 foo.example @10.53.0.2 >dig.out.test$n || ret=1
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grep "; PAD" dig.out.test$n >/dev/null || ret=1
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grep "; QUERY SIZE: 128" dig.out.test$n >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that dig added padding ($n)"
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ret=0
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n=$((n + 1))
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nextpart ns2/named.stats >/dev/null
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$RNDCCMD 10.53.0.2 stats
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wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
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nextpart ns2/named.stats | grep "EDNS padding option received" >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that padding is added for TCP responses ($n)"
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ret=0
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n=$((n + 1))
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$DIG $DIGOPTS +vc +padding=128 foo.example @10.53.0.2 >dig.out.test$n || ret=1
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grep "; PAD" dig.out.test$n >/dev/null || ret=1
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grep "rcvd: 128" dig.out.test$n >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that padding is added to valid cookie responses ($n)"
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ret=0
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n=$((n + 1))
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$DIG $DIGOPTS +cookie foo.example @10.53.0.2 >dig.out.testc || ret=1
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cookie=$(getcookie dig.out.testc)
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$DIG $DIGOPTS +cookie=$cookie +padding=128 foo.example @10.53.0.2 >dig.out.test$n || ret=1
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grep "; PAD" dig.out.test$n >/dev/null || ret=1
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grep "rcvd: 128" dig.out.test$n >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that padding must be requested (TCP) ($n)"
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ret=0
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n=$((n + 1))
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$DIG $DIGOPTS +vc foo.example @10.53.0.2 >dig.out.test$n || ret=1
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grep "; PAD" dig.out.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that padding must be requested (valid cookie) ($n)"
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ret=0
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n=$((n + 1))
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$DIG $DIGOPTS +cookie=$cookie foo.example @10.53.0.2 >dig.out.test$n || ret=1
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grep "; PAD" dig.out.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that padding can be filtered out ($n)"
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ret=0
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n=$((n + 1))
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$DIG $DIGOPTS +vc +padding=128 -b 10.53.0.8 foo.example @10.53.0.2 >dig.out.test$n || ret=1
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grep "; PAD" dig.out.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that a TCP and padding server config enables padding ($n)"
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ret=0
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n=$((n + 1))
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nextpart ns2/named.stats >/dev/null
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$RNDCCMD 10.53.0.2 stats
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wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
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opad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
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$DIG $DIGOPTS foo.example @10.53.0.3 >dig.out.test$n || ret=1
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$RNDCCMD 10.53.0.2 stats
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wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
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npad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
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if [ "$opad" -eq "$npad" ]; then
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echo_i "error: opad ($opad) == npad ($npad)"
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ret=1
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fi
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that a padding server config should enforce TCP ($n)"
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ret=0
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n=$((n + 1))
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nextpart ns2/named.stats >/dev/null
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$RNDCCMD 10.53.0.2 stats
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wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
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opad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
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$DIG $DIGOPTS foo.example @10.53.0.4 >dig.out.test$n || ret=1
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$RNDCCMD 10.53.0.2 stats
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wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
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npad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
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if [ "$opad" -ne "$npad" ]; then
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echo_i "error: opad ($opad) != npad ($npad)"
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ret=1
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fi
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "checking that zero-length padding option has no effect ($n)"
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ret=0
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n=$((n + 1))
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$DIG $DIGOPTS +qr +ednsopt=12 foo.example @10.53.0.2 >dig.out.test$n.1 || ret=1
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grep "; PAD" dig.out.test$n.1 >/dev/null || ret=1
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$DIG $DIGOPTS +qr +ednsopt=12:00 foo.example @10.53.0.2 >dig.out.test$n.2 || ret=1
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grep "; PAD" dig.out.test$n.2 >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "exit status: $status"
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[ $status -eq 0 ] || exit 1
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