#!/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.
# test response policy zones (RPZ)
# touch dnsrps-off to not test with DNSRPS
# touch dnsrps-only to not test with classic RPZ
SYSTEMTESTTOP=..
. $SYSTEMTESTTOP/conf.sh
ns=10.53.0
ns1=$ns.1 # root, defining the others
ns2=$ns.2 # authoritative server whose records are rewritten
ns3=$ns.3 # main rewriting resolver
ns4=$ns.4 # another authoritative server that is rewritten
ns5=$ns.5 # another rewriting resolver
ns6=$ns.6 # a forwarding server
ns7=$ns.7 # another rewriting resolver
ns8=$ns.8 # another rewriting resolver
ns9=$ns.9 # another rewriting resolver
ns10=$ns.10 # authoritative server
HAVE_CORE=
status=0
t=0
DEBUG=
SAVE_RESULTS=
ARGS=
USAGE="$0: [-xS]"
while getopts "xS:" c; do
case $c in
x) set -x; DEBUG=-x; ARGS="$ARGS -x";;
S) SAVE_RESULTS=-S; ARGS="$ARGS -S";;
*) echo "$USAGE" 1>&2; exit 1;;
esac
done
shift `expr $OPTIND - 1 || true`
if test "$#" -ne 0; then
echo "$USAGE" 1>&2
exit 1
fi
# really quit on control-C
trap 'exit 1' 1 2 15
TS='%H:%M:%S '
TS=
comment () {
if test -n "$TS"; then
date "+${TS}$*" | cat_i
fi
}
DNSRPSCMD=./dnsrps
RNDCCMD="$RNDC -c $SYSTEMTESTTOP/common/rndc.conf -p ${CONTROLPORT} -s"
if test -x $DNSRPSCMD; then
# speed up the many delays for dnsrpzd by waiting only 0.1 seconds
WAIT_CMD="$DNSRPSCMD -w 0.1"
TEN_SECS=100
else
WAIT_CMD="sleep 1"
TEN_SECS=10
fi
digcmd () {
if test "$1" = TCP; then
shift
fi
# Default to +noauth and @$ns3
# Also default to -bX where X is the @value so that OS X will choose
# the right IP source address.
digcmd_args=`echo "+nocookie +noadd +time=2 +tries=1 -p ${PORT} $*" | \
sed -e "/@/!s/.*/& @$ns3/" \
-e '/-b/!s/@\([^ ]*\)/@\1 -b\1/' \
-e '/+n?o?auth/!s/.*/+noauth &/'`
#echo_i "dig $digcmd_args 1>&2
$DIG $digcmd_args
}
# set DIGNM=file name for dig output
GROUP_NM=
TEST_NUM=0
make_dignm () {
TEST_NUM=`expr $TEST_NUM : '\([0-9]*\).*'` # trim '+' characters
TEST_NUM=`expr $TEST_NUM + 1`
DIGNM=dig.out$GROUP_NM-$TEST_NUM
while test -f $DIGNM; do
TEST_NUM="$TEST_NUM+"
DIGNM=dig.out$GROUP_NM-$TEST_NUM
done
}
setret () {
ret=1
status=`expr $status + 1`
echo_i "$*"
}
# set $SN to the SOA serial number of a zone
# $1=domain
# $2=DNS server and client IP address
get_sn() {
SOA=`$DIG -p ${PORT} +short +norecurse soa "$1" "@$2" "-b$2"`
SN=`expr "$SOA" : '[^ ]* [^ ]* \([^ ]*\) .*'`
test "$SN" != "" && return
echo_i "no serial number from \`dig -p ${PORT} soa $1 @$2\` in \"$SOA\""
exit 1
}
get_sn_fast () {
RSN=`$DNSRPSCMD -n "$1"`
#echo "dnsrps serial for $1 is $RSN"
if test -z "$RSN"; then
echo_i "dnsrps failed to get SOA serial number for $1"
exit 1
fi
}
# check that dnsrpzd has loaded its zones
# $1=domain
# $2=DNS server IP address
FZONES=`sed -n -e 's/^zone "\(.*\)".*\(10.53.0..\).*/Z=\1;M=\2/p' dnsrpzd.conf`
dnsrps_loaded() {
test "$mode" = dnsrps || return
n=0
for V in $FZONES; do
eval "$V"
get_sn $Z $M
while true; do
get_sn_fast "$Z"
if test "$SN" -eq "0$RSN"; then
#echo "$Z @$M serial=$SN"
break
fi
n=`expr $n + 1`
if test "$n" -gt $TEN_SECS; then
echo_i "dnsrps serial for $Z is $RSN instead of $SN"
exit 1
fi
$WAIT_CMD
done
done
}
# check the serial number in an SOA to ensure that a policy zone has
# been (re)loaded
# $1=serial number
# $2=domain
# $3=DNS server
ck_soa() {
n=0
while true; do
if test "$mode" = dnsrps; then
get_sn_fast "$2"
test "$RSN" -eq "$1" && return
else
get_sn "$2" "$3"
test "$SN" -eq "$1" && return
fi
n=`expr $n + 1`
if test "$n" -gt $TEN_SECS; then
echo_i "got serial number \"$SN\" instead of \"$1\" from $2 @$3"
return
fi
$WAIT_CMD
done
}
# (re)load the response policy zones with the rules in the file $TEST_FILE
load_db () {
if test -n "$TEST_FILE"; then
copy_setports $TEST_FILE tmp
if $NSUPDATE -v tmp; then :
$RNDCCMD $ns3 sync
else
echo_i "failed to update policy zone with $TEST_FILE"
$RNDCCMD $ns3 sync
exit 1
fi
rm -f tmp
fi
}
# restart name server
# $1 ns number
# $2 rebuild bl rpz zones if "rebuild-bl-rpz"
restart () {
# try to ensure that the server really has stopped
# and won't mess with ns$1/name.pid
if test -z "$HAVE_CORE" -a -f ns$1/named.pid; then
$RNDCCMD $ns$1 halt >/dev/null 2>&1
if test -f ns$1/named.pid; then
sleep 1
PID=`cat ns$1/named.pid 2>/dev/null`
if test -n "$PID"; then
echo_i "killing ns$1 server $PID"
$KILL -9 $PID
fi
fi
fi
rm -f ns$1/*.jnl
if [ "$2" = "rebuild-bl-rpz" ]; then
if test -f ns$1/base.db; then
for NM in ns$1/bl*.db; do
cp -f ns$1/base.db $NM
done
fi
fi
start_server --noclean --restart --port ${PORT} ns$1
load_db
dnsrps_loaded
sleep 1
}
# $1=server and irrelevant args
# $2=error message
ckalive () {
CKALIVE_NS=`expr "$1" : '.*@ns\([1-9]\).*'`
if test -z "$CKALIVE_NS"; then
CKALIVE_NS=3
fi
eval CKALIVE_IP=\$ns$CKALIVE_NS
$RNDCCMD $CKALIVE_IP status >/dev/null 2>&1 && return 0
HAVE_CORE=yes
setret "$2"
# restart the server to avoid stalling waiting for it to stop
restart $CKALIVE_NS "rebuild-bl-rpz"
return 1
}
resetstats () {
NSDIR=$1
eval "${NSDIR}_CNT=''"
}
ckstats () {
HOST=$1
LABEL="$2"
NSDIR="$3"
EXPECTED="$4"
$RNDCCMD $HOST stats
NEW_CNT=0`sed -n -e 's/[ ]*\([0-9]*\).response policy.*/\1/p' \
$NSDIR/named.stats | tail -1`
eval "OLD_CNT=0\$${NSDIR}_CNT"
GOT=`expr $NEW_CNT - $OLD_CNT`
if test "$GOT" -ne "$EXPECTED"; then
setret "wrong $LABEL $NSDIR statistics of $GOT instead of $EXPECTED"
fi
eval "${NSDIR}_CNT=$NEW_CNT"
}
ckstatsrange () {
HOST=$1
LABEL="$2"
NSDIR="$3"
MIN="$4"
MAX="$5"
$RNDCCMD $HOST stats
NEW_CNT=0`sed -n -e 's/[ ]*\([0-9]*\).response policy.*/\1/p' \
$NSDIR/named.stats | tail -1`
eval "OLD_CNT=0\$${NSDIR}_CNT"
GOT=`expr $NEW_CNT - $OLD_CNT`
if test "$GOT" -lt "$MIN" -o "$GOT" -gt "$MAX"; then
setret "wrong $LABEL $NSDIR statistics of $GOT instead of ${MIN}..${MAX}"
fi
eval "${NSDIR}_CNT=$NEW_CNT"
}
# $1=message
# $2=optional test file name
start_group () {
ret=0
t=`expr $t + 1`
test -n "$1" && date "+${TS}checking $1 (${t})" | cat_i
TEST_FILE=$2
if test -n "$TEST_FILE"; then
GROUP_NM="-$TEST_FILE"
load_db
else
GROUP_NM=
fi
dnsrps_loaded
TEST_NUM=0
}
end_group () {
if test -n "$TEST_FILE"; then
# remove the previous set of test rules
copy_setports $TEST_FILE tmp
sed -e 's/[ ]add[ ]/ delete /' tmp | $NSUPDATE
rm -f tmp
TEST_FILE=
fi
ckalive $ns3 "failed; ns3 server crashed and restarted"
dnsrps_loaded
GROUP_NM=
}
clean_result () {
if test -z "$SAVE_RESULTS"; then
rm -f $*
fi
}
# $1=dig args
# $2=other dig output file
ckresult () {
#ckalive "$1" "server crashed by 'dig $1'" || return 1
expr "$1" : 'TCP ' > /dev/null && tcp=1 || tcp=0
digarg=${1#TCP }
if grep "flags:.* aa .*ad;" $DIGNM; then
setret "'dig $digarg' AA and AD set;"
elif grep "flags:.* aa .*ad;" $DIGNM; then
setret "'dig $digarg' AD set;"
fi
if $PERL $SYSTEMTESTTOP/digcomp.pl $DIGNM $2 >/dev/null; then
grep -q 'Truncated, retrying in TCP' $DIGNM && trunc=1 || trunc=0
if [ "$tcp" -ne "$trunc" ]; then
setret "'dig $digarg' wrong; no or unexpected truncation in $DIGNM"
return 1
fi
clean_result ${DIGNM}*
return 0
fi
setret "'dig $digarg' wrong; diff $DIGNM $2"
return 1
}
# check only that the server does not crash
# $1=target domain
# $2=optional query type
nocrash () {
digcmd $* >/dev/null
ckalive "$*" "server crashed by 'dig $*'"
}
# check rewrite to NXDOMAIN
# $1=target domain
# $2=optional query type
nxdomain () {
make_dignm
digcmd $* \
| sed -e 's/^[a-z].* IN CNAME /;xxx &/' \
-e 's/^[a-z].* IN RRSIG /;xxx &/' \
>$DIGNM
ckresult "$*" proto.nxdomain
}
# check rewrite to NODATA
# $1=target domain
# $2=optional query type
nodata () {
make_dignm
digcmd $* \
| sed -e 's/^[a-z].* IN CNAME /;xxx &/' >$DIGNM
ckresult "$*" proto.nodata
}
# check rewrite to an address
# modify the output so that it is easily compared, but save the original line
# $1=IPv4 address
# $2=digcmd args
# $3=optional TTL
addr () {
ADDR=$1
make_dignm
digcmd $2 >$DIGNM
#ckalive "$2" "server crashed by 'dig $2'" || return 1
ADDR_ESC=`echo "$ADDR" | sed -e 's/\./\\\\./g'`
ADDR_TTL=`tr -d '\r' < $DIGNM | sed -n -e "s/^[-.a-z0-9]\{1,\}[ ]*\([0-9]*\) IN AA* ${ADDR_ESC}\$/\1/p"`
if test -z "$ADDR_TTL"; then
setret "'dig $2' wrong; no address $ADDR record in $DIGNM"
return 1
fi
if test -n "$3" && test "$ADDR_TTL" -ne "$3"; then
setret "'dig $2' wrong; TTL=$ADDR_TTL instead of $3 in $DIGNM"
return 1
fi
clean_result ${DIGNM}*
}
# Check that a response is not rewritten
# Use $ns1 instead of the authority for most test domains, $ns2 to prevent
# spurious differences for `dig +norecurse`
# $1=optional "TCP"
# remaining args for dig
nochange () {
make_dignm
digcmd $* >$DIGNM
digcmd $* @$ns1 >${DIGNM}_OK
ckresult "$*" ${DIGNM}_OK && clean_result ${DIGNM}_OK
}
nochange_ns10 () {
make_dignm
digcmd $* >$DIGNM
digcmd $* @$ns10 >${DIGNM}_OK
ckresult "$*" ${DIGNM}_OK && clean_result ${DIGNM}_OK
}
# check against a 'here document'
here () {
make_dignm
sed -e 's/^[ ]*//' >${DIGNM}_OK
digcmd $* >$DIGNM
ckresult "$*" ${DIGNM}_OK
}
# check dropped response
DROPPED='^;; connection timed out; no servers could be reached'
drop () {
make_dignm
digcmd $* >$DIGNM
if grep "$DROPPED" $DIGNM >/dev/null; then
clean_result ${DIGNM}*
return 0
fi
setret "'dig $1' wrong; response in $DIGNM"
return 1
}
nsd() {
$NSUPDATE -p ${PORT} << EOF
server $1
ttl 300
update $2 $3 IN CNAME .
update $2 $4 IN CNAME .
send
EOF
sleep 2
}
#
# generate prototype NXDOMAIN response to compare against.
#
make_proto_nxdomain() {
digcmd nonexistent @$ns2 >proto.nxdomain || return 1
grep "status: NXDOMAIN" proto.nxdomain >/dev/null || return 1
return 0
}
#
# generate prototype NODATA response to compare against.
#
make_proto_nodata() {
digcmd txt-only.tld2 @$ns2 >proto.nodata || return 1
grep "status: NOERROR" proto.nodata >/dev/null || return 1
return 0
}
for mode in native dnsrps; do
status=0
case ${mode} in
native)
if [ -e dnsrps-only ] ; then
echo_i "'dnsrps-only' found: skipping native RPZ sub-test"
continue
else
echo_i "running native RPZ sub-test"
fi
;;
dnsrps)
if [ -e dnsrps-off ] ; then
echo_i "'dnsrps-off' found: skipping DNSRPS sub-test"
continue
fi
echo_i "attempting to configure servers with DNSRPS..."
stop_server --use-rndc --port ${CONTROLPORT}
$SHELL ./setup.sh -N -D $DEBUG
for server in ns*; do
resetstats $server
done
sed -n 's/^## //p' dnsrps.conf | cat_i
if grep '^#fail' dnsrps.conf >/dev/null; then
echo_i "exit status: 1"
exit 1
fi
if grep '^#skip' dnsrps.conf > /dev/null; then
echo_i "DNSRPS sub-test skipped"
continue
else
echo_i "running DNSRPS sub-test"
start_server --noclean --restart --port ${PORT}
sleep 3
fi
;;
esac
# make prototype files to check against rewritten results
retry_quiet 10 make_proto_nxdomain
retry_quiet 10 make_proto_nodata
start_group "QNAME rewrites" test1
nochange . # 1 do not crash or rewrite root
nxdomain a0-1.tld2 # 2
nodata a3-1.tld2 # 3
nodata a3-2.tld2 # 4 nodata at DNAME itself
nochange sub.a3-2.tld2 # 5 miss where DNAME might work
nxdomain a4-2.tld2 # 6 rewrite based on CNAME target
nxdomain a4-2-cname.tld2 # 7
nodata a4-3-cname.tld2 # 8
addr 12.12.12.12 a4-1.sub1.tld2 # 9 A replacement
addr 12.12.12.12 a4-1.sub2.tld2 # 10 A replacement with wildcard
addr 12.12.12.12 nxc1.sub1.tld2 # 11 replace NXDOMAIN with CNAME
addr 12.12.12.12 nxc2.sub1.tld2 # 12 replace NXDOMAIN with CNAME chain
addr 127.4.4.1 a4-4.tld2 # 13 prefer 1st conflicting QNAME zone
nochange a6-1.tld2 # 14
addr 127.6.2.1 a6-2.tld2 # 15
addr 56.56.56.56 a3-6.tld2 # 16 wildcard CNAME
addr 57.57.57.57 a3-7.sub1.tld2 # 17 wildcard CNAME
addr 127.0.0.16 a4-5-cname3.tld2 # 18 CNAME chain
addr 127.0.0.17 a4-6-cname3.tld2 # 19 stop short in CNAME chain
nochange a5-2.tld2 +norecurse # 20 check that RD=1 is required
nochange a5-3.tld2 +norecurse # 21
nochange a5-4.tld2 +norecurse # 22
nochange sub.a5-4.tld2 +norecurse # 23
nxdomain c1.crash2.tld3 # 24 assert in rbtdb.c
nxdomain a0-1.tld2 +dnssec # 25 simple DO=1 without signatures
nxdomain a0-1.tld2s +nodnssec # 26 simple DO=0 with signatures
nochange a0-1.tld2s +dnssec # 27 simple DO=1 with signatures
nxdomain a0-1s-cname.tld2s +dnssec # 28 DNSSEC too early in CNAME chain
nochange a0-1-scname.tld2 +dnssec # 29 DNSSEC on target in CNAME chain
nochange a0-1.tld2s srv +auth +dnssec # 30 no write for DNSSEC and no record
nxdomain a0-1.tld2s srv +nodnssec # 31
drop a3-8.tld2 any # 32 drop
nochange TCP a3-9.tld2 # 33 tcp-only
here x.servfail <<'EOF' # 34 qname-wait-recurse yes
;; status: SERVFAIL, x
EOF
addr 35.35.35.35 "x.servfail @$ns5" # 35 qname-wait-recurse no
end_group
ckstats $ns3 test1 ns3 22
ckstats $ns5 test1 ns5 1
ckstats $ns6 test1 ns6 0
start_group "NXDOMAIN/NODATA action on QNAME trigger" test1
nxdomain a0-1.tld2 @$ns6 # 1
nodata a3-1.tld2 @$ns6 # 2
nodata a3-2.tld2 @$ns6 # 3 nodata at DNAME itself
nxdomain a4-2.tld2 @$ns6 # 4 rewrite based on CNAME target
nxdomain a4-2-cname.tld2 @$ns6 # 5
nodata a4-3-cname.tld2 @$ns6 # 6
addr 12.12.12.12 "a4-1.sub1.tld2 @$ns6" # 7 A replacement
addr 12.12.12.12 "a4-1.sub2.tld2 @$ns6" # 8 A replacement with wildcard
addr 127.4.4.1 "a4-4.tld2 @$ns6" # 9 prefer 1st conflicting QNAME zone
addr 12.12.12.12 "nxc1.sub1.tld2 @$ns6" # 10 replace NXDOMAIN w/ CNAME
addr 12.12.12.12 "nxc2.sub1.tld2 @$ns6" # 11 replace NXDOMAIN w/ CNAME chain
addr 127.6.2.1 "a6-2.tld2 @$ns6" # 12
addr 56.56.56.56 "a3-6.tld2 @$ns6" # 13 wildcard CNAME
addr 57.57.57.57 "a3-7.sub1.tld2 @$ns6" # 14 wildcard CNAME
addr 127.0.0.16 "a4-5-cname3.tld2 @$ns6" # 15 CNAME chain
addr 127.0.0.17 "a4-6-cname3.tld2 @$ns6" # 16 stop short in CNAME chain
nxdomain c1.crash2.tld3 @$ns6 # 17 assert in rbtdb.c
nxdomain a0-1.tld2 +dnssec @$ns6 # 18 simple DO=1 without sigs
nxdomain a0-1s-cname.tld2s +dnssec @$ns6 # 19
drop a3-8.tld2 any @$ns6 # 20 drop
end_group
ckstatsrange $ns3 test1 ns3 22 30
ckstats $ns5 test1 ns5 0
ckstats $ns6 test1 ns6 0
start_group "IP rewrites" test2
nodata a3-1.tld2 # 1 NODATA
nochange a3-2.tld2 # 2 no policy record so no change
nochange a4-1.tld2 # 3 obsolete PASSTHRU record style
nxdomain a4-2.tld2 # 4
nochange a4-2.tld2 -taaaa # 5 no A => no policy rewrite
nochange a4-2.tld2 -ttxt # 6 no A => no policy rewrite
nxdomain a4-2.tld2 -tany # 7 no A => no policy rewrite
nodata a4-3.tld2 # 8
nxdomain a3-1.tld2 -taaaa # 9 IPv6 policy
nochange a4-1-aaaa.tld2 -taaaa # 10
addr 127.0.0.1 a5-1-2.tld2 # 11 prefer smallest policy address
addr 127.0.0.1 a5-3.tld2 # 12 prefer first conflicting IP zone
nochange a5-4.tld2 +norecurse # 13 check that RD=1 is required for #14
addr 14.14.14.14 a5-4.tld2 # 14 prefer QNAME to IP
nochange a4-4.tld2 # 15 PASSTHRU
nxdomain c2.crash2.tld3 # 16 assert in rbtdb.c
addr 127.0.0.17 "a4-4.tld2 -b $ns1" # 17 client-IP address trigger
nxdomain a7-1.tld2 # 18 secondary policy zone (RT34450)
# updating an response zone policy
cp ns2/blv2.tld2.db.in ns2/bl.tld2.db
rndc_reload ns2 $ns2 bl.tld2
ck_soa 2 bl.tld2 $ns3
nochange a7-1.tld2 # 19 PASSTHRU
# ensure that a clock tick has occurred so that named will do the reload
sleep 1
cp ns2/blv3.tld2.db.in ns2/bl.tld2.db
rndc_reload ns2 $ns2 bl.tld2
ck_soa 3 bl.tld2 $ns3
nxdomain a7-1.tld2 # 20 secondary policy zone (RT34450)
end_group
ckstats $ns3 test2 ns3 12
# check that IP addresses for previous group were deleted from the radix tree
start_group "radix tree deletions"
nochange a3-1.tld2
nochange a3-2.tld2
nochange a4-1.tld2
nochange a4-2.tld2
nochange a4-2.tld2 -taaaa
nochange a4-2.tld2 -ttxt
nochange a4-2.tld2 -tany
nochange a4-3.tld2
nochange a3-1.tld2 -tAAAA
nochange a4-1-aaaa.tld2 -tAAAA
nochange a5-1-2.tld2
end_group
ckstats $ns3 'radix tree deletions' ns3 0
# these tests assume "min-ns-dots 0"
start_group "NSDNAME rewrites" test3
nextpart ns3/named.run > /dev/null
nochange a3-1.tld2 # 1
nochange a3-1.tld2 +dnssec # 2 this once caused problems
nxdomain a3-1.sub1.tld2 # 3 NXDOMAIN *.sub1.tld2 by NSDNAME
nxdomain a3-1.subsub.sub1.tld2 # 4
nxdomain a3-1.subsub.sub1.tld2 -tany # 5
addr 12.12.12.12 a4-2.subsub.sub2.tld2 # 6 walled garden for *.sub2.tld2
nochange a3-2.tld2. # 7 exempt rewrite by name
nochange a0-1.tld2. # 8 exempt rewrite by address block
addr 12.12.12.12 a4-1.tld2 # 9 prefer QNAME policy to NSDNAME
addr 127.0.0.1 a3-1.sub3.tld2 # 10 prefer policy for largest NSDNAME
addr 127.0.0.2 a3-1.subsub.sub3.tld2 # 11
nxdomain xxx.crash1.tld2 # 12 dns_db_detachnode() crash
nxdomain a3-1.stub # 13
nxdomain a3-1.static-stub # 14
nochange_ns10 a3-1.stub-nomatch # 15
nochange_ns10 a3-1.static-stub-nomatch # 16
if [ "$mode" = dnsrps ]; then
addr 12.12.12.12 as-ns.tld5. # 17 qname-as-ns
fi
nextpart ns3/named.run | grep -q "unrecognized NS rpz_rrset_find() failed: glue" &&
setret "seen: unrecognized NS rpz_rrset_find() failed: glue"
end_group
if [ "$mode" = dnsrps ]; then
ckstats $ns3 test3 ns3 10
else
ckstats $ns3 test3 ns3 9
fi
# these tests assume "min-ns-dots 0"
start_group "NSIP rewrites" test4
nextpart ns3/named.run > /dev/null
nxdomain a3-1.tld2 # 1 NXDOMAIN for all of tld2
nochange a3-2.tld2. # 2 exempt rewrite by name
nochange a0-1.tld2. # 3 exempt rewrite by address block
nochange a3-1.tld4 # 4 different NS IP address
nxdomain a4-1.stub # 5
nxdomain a4-1.static-stub # 6
nochange_ns10 a4-1.stub-nomatch # 7
nochange_ns10 a4-1.static-stub-nomatch # 8
if [ "$mode" = dnsrps ]; then
addr 12.12.12.12 as-ns.tld5. # 9 ip-as-ns
fi
nextpart ns3/named.run | grep -q "unrecognized NS rpz_rrset_find() failed: glue" &&
setret "seen: unrecognized NS rpz_rrset_find() failed: glue"
end_group
start_group "walled garden NSIP rewrites" test4a
addr 41.41.41.41 a3-1.tld2 # 1 walled garden for all of tld2
addr 2041::41 'a3-1.tld2 AAAA' # 2 walled garden for all of tld2
here a3-1.tld2 TXT <<'EOF' # 3 text message for all of tld2
;; status: NOERROR, x
a3-1.tld2. x IN TXT "NSIP walled garden"
EOF
end_group
if [ "$mode" = dnsrps ]; then
ckstats $ns3 test4 ns3 7
else
ckstats $ns3 test4 ns3 6
fi
# policies in ./test5 overridden by response-policy{} in ns3/named.conf
# and in ns5/named.conf
start_group "policy overrides" test5
addr 127.0.0.1 a3-1.tld2 # 1 bl-given
nochange a3-2.tld2 # 2 bl-passthru
nochange a3-3.tld2 # 3 bl-no-op (obsolete for passthru)
nochange a3-4.tld2 # 4 bl-disabled
nodata a3-5.tld2 # 5 bl-nodata zone recursive-only no
nodata a3-5.tld2 +norecurse # 6 bl-nodata zone recursive-only no
nodata a3-5.tld2 # 7 bl-nodata not needed
nxdomain a3-5.tld2 +norecurse @$ns5 # 8 bl-nodata global recursive-only no
nxdomain a3-5.tld2s @$ns5 # 9 bl-nodata global break-dnssec
nxdomain a3-5.tld2s +dnssec @$ns5 # 10 bl-nodata global break-dnssec
nxdomain a3-6.tld2 # 11 bl-nxdomain
here a3-7.tld2 -tany <<'EOF' # 12
;; status: NOERROR, x
a3-7.tld2. x IN CNAME txt-only.tld2.
txt-only.tld2. x IN TXT "txt-only-tld2"
EOF
addr 58.58.58.58 a3-8.tld2 # 13 bl_wildcname
addr 59.59.59.59 a3-9.sub9.tld2 # 14 bl_wildcname
addr 12.12.12.12 a3-15.tld2 # 15 bl-garden via CNAME to a12.tld2
addr 127.0.0.16 a3-16.tld2 100 # 16 bl max-policy-ttl 100
addr 17.17.17.17 "a3-17.tld2 @$ns5" 90 # 17 ns5 bl max-policy-ttl 90
drop a3-18.tld2 any # 18 bl-drop
nxdomain TCP a3-19.tld2 # 19 bl-tcp-only
end_group
ckstats $ns3 test5 ns3 12
ckstats $ns5 test5 ns5 4
# check that miscellaneous bugs are still absent
start_group "crashes" test6
for Q in RRSIG SIG ANY 'ANY +dnssec'; do
nocrash a3-1.tld2 -t$Q
nocrash a3-2.tld2 -t$Q
nocrash a3-5.tld2 -t$Q
nocrash www.redirect -t$Q
nocrash www.credirect -t$Q
done
# This is not a bug, because any data leaked by writing 24.4.3.2.10.rpz-ip
# (or whatever) is available by publishing "foo A 10.2.3.4" and then
# resolving foo.
# nxdomain 32.3.2.1.127.rpz-ip
end_group
ckstats $ns3 bugs ns3 8
# superficial test for major performance bugs
QPERF=`sh qperf.sh`
if test -n "$QPERF"; then
perf () {
date "+${TS}checking performance $1" | cat_i
# Dry run to prime everything
comment "before dry run $1"
$RNDCCMD $ns5 notrace
$QPERF -c -1 -l30 -d ns5/requests -s $ns5 -p ${PORT} >/dev/null
comment "before real test $1"
PFILE="ns5/$2.perf"
$QPERF -c -1 -l30 -d ns5/requests -s $ns5 -p ${PORT} >$PFILE
comment "after test $1"
X=`sed -n -e 's/.*Returned *\([^ ]*:\) *\([0-9]*\) .*/\1\2/p' $PFILE \
| tr '\n' ' '`
if test "$X" != "$3"; then
setret "wrong results '$X' in $PFILE"
fi
ckalive $ns5 "failed; server #5 crashed"
}
trim () {
sed -n -e 's/.*Queries per second: *\([0-9]*\).*/\1/p' ns5/$1.perf
}
# get qps with rpz
perf 'with RPZ' rpz 'NOERROR:2900 NXDOMAIN:100 '
RPZ=`trim rpz`
# turn off rpz and measure qps again
echo "# RPZ off" >ns5/rpz-switch
RNDCCMD_OUT=`$RNDCCMD $ns5 reload`
perf 'without RPZ' norpz 'NOERROR:3000 '
NORPZ=`trim norpz`
PERCENT=`expr \( "$RPZ" \* 100 + \( $NORPZ / 2 \) \) / $NORPZ`
echo_i "$RPZ qps with RPZ is $PERCENT% of $NORPZ qps without RPZ"
MIN_PERCENT=30
if test "$PERCENT" -lt $MIN_PERCENT; then
echo_i "$RPZ qps with rpz or $PERCENT% is below $MIN_PERCENT% of $NORPZ qps"
fi
if test "$PERCENT" -ge 100; then
echo_i "$RPZ qps with RPZ or $PERCENT% of $NORPZ qps without RPZ is too high"
fi
ckstats $ns5 performance ns5 200
else
echo_i "performance not checked; queryperf not available"
fi
if [ "$mode" = dnsrps ]; then
echo_i "checking that dnsrpzd is automatically restarted"
OLD_PID=`cat dnsrpzd.pid`
$KILL "$OLD_PID"
n=0
while true; do
NEW_PID=`cat dnsrpzd.pid 2>/dev/null`
if test -n "$NEW_PID" -a "0$OLD_PID" -ne "0$NEW_PID"; then
#echo "OLD_PID=$OLD_PID NEW_PID=$NEW_PID"
break;
fi
$DIG -p ${PORT} +short +norecurse a0-1.tld2 @$ns3 >/dev/null
n=`expr $n + 1`
if test "$n" -gt $TEN_SECS; then
setret "dnsrpzd did not restart"
break
fi
$WAIT_CMD
done
fi
# Ensure ns3 manages to transfer the fast-expire zone before shutdown.
nextpartreset ns3/named.run
wait_for_log 20 "zone fast-expire/IN: transferred serial 1" ns3/named.run
# reconfigure the ns5 primary server without the fast-expire zone, so
# it can't be refreshed on ns3, and will expire in 5 seconds.
cat /dev/null > ns5/expire.conf
rndc_reconfig ns5 10.53.0.5
# restart the main test RPZ server to see if that creates a core file
if test -z "$HAVE_CORE"; then
stop_server --use-rndc --port ${CONTROLPORT} ns3
restart 3 "rebuild-bl-rpz"
HAVE_CORE=`find ns* -name '*core*' -print`
test -z "$HAVE_CORE" || setret "found $HAVE_CORE; memory leak?"
fi
# look for complaints from lib/dns/rpz.c and bin/name/query.c
for runfile in ns*/named.run; do
EMSGS=`nextpart $runfile | grep -E -l 'invalid rpz|rpz.*failed'`
if test -n "$EMSGS"; then
setret "error messages in $runfile starting with:"
grep -E 'invalid rpz|rpz.*failed' ns*/named.run | \
sed -e '10,$d' -e 's/^//' | cat_i
fi
done
if [ native = "$mode" ]; then
# restart the main test RPZ server with a bad zone.
t=`expr $t + 1`
echo_i "checking that ns3 with broken rpz does not crash (${t})"
stop_server --use-rndc --port ${CONTROLPORT} ns3
cp ns3/broken.db.in ns3/bl.db
restart 3 # do not rebuild rpz zones
nocrash a3-1.tld2 -tA
stop_server --use-rndc --port ${CONTROLPORT} ns3
restart 3 "rebuild-bl-rpz"
t=`expr $t + 1`
echo_i "checking if rpz survives a certain class of failed reconfiguration attempts (${t})"
sed -e "s/^#BAD//" < ns3/named.conf.in > ns3/named.conf.tmp
copy_setports ns3/named.conf.tmp ns3/named.conf
rm ns3/named.conf.tmp
$RNDCCMD $ns3 reconfig > /dev/null 2>&1 && setret "failed"
sleep 1
copy_setports ns3/named.conf.in ns3/named.conf
$RNDCCMD $ns3 reconfig || setret "failed"
# reload a RPZ zone that is now deliberately broken.
t=`expr $t + 1`
echo_i "checking rpz failed update will keep previous rpz rules (${t})"
$DIG -p ${PORT} @$ns3 walled.tld2 > dig.out.$t.before
grep "walled\.tld2\..*IN.*A.*10\.0\.0\.1" dig.out.$t.before > /dev/null || setret "failed"
cp ns3/broken.db.in ns3/manual-update-rpz.db
rndc_reload ns3 $ns3 manual-update-rpz
sleep 1
# ensure previous RPZ rules still apply.
$DIG -p ${PORT} @$ns3 walled.tld2 > dig.out.$t.after
grep "walled\.tld2\..*IN.*A.*10\.0\.0\.1" dig.out.$t.after > /dev/null || setret "failed"
t=`expr $t + 1`
echo_i "checking reload of a mixed-case RPZ zone (${t})"
# First, a sanity check: the A6-2.TLD2.mixed-case-rpz RPZ record should
# cause a6-2.tld2 NOERROR answers to be rewritten to NXDOMAIN answers.
$DIG -p ${PORT} @$ns3 a6-2.tld2. A > dig.out.$t.before
grep "status: NXDOMAIN" dig.out.$t.before >/dev/null || setret "failed"
# Add a sibling name (a6-1.tld2.mixed-case-rpz, with "tld2" in lowercase
# rather than uppercase) before A6-2.TLD.mixed-case-rpz.
nextpart ns3/named.run > /dev/null
cp ns3/mixed-case-rpz-2.db.in ns3/mixed-case-rpz.db
rndc_reload ns3 $ns3 mixed-case-rpz
wait_for_log 20 "rpz: mixed-case-rpz: reload done" ns3/named.run
# a6-2.tld2 NOERROR answers should still be rewritten to NXDOMAIN answers.
# (The bug we try to trigger here caused a6-2.tld2.mixed-case-rpz to be
# erroneously removed from the summary RPZ database after reload.)
$DIG -p ${PORT} @$ns3 a6-2.tld2. A > dig.out.$t.after
grep "status: NXDOMAIN" dig.out.$t.after >/dev/null || setret "failed"
fi
t=`expr $t + 1`
echo_i "checking that ttl values are not zeroed when qtype is '*' (${t})"
$DIG +noall +answer -p ${PORT} @$ns3 any a3-2.tld2 > dig.out.$t
ttl=`awk '/a3-2 tld2 text/ {print $2}' dig.out.$t`
if test ${ttl:=0} -eq 0; then setret "failed"; fi
t=`expr $t + 1`
echo_i "checking rpz updates/transfers with parent nodes added after children (${t})"
# regression test for RT #36272: the success condition
# is the secondary server not crashing.
for i in 1 2 3 4 5; do
nsd $ns5 add example.com.policy1. '*.example.com.policy1.'
nsd $ns5 delete example.com.policy1. '*.example.com.policy1.'
done
for i in 1 2 3 4 5; do
nsd $ns5 add '*.example.com.policy1.' example.com.policy1.
nsd $ns5 delete '*.example.com.policy1.' example.com.policy1.
done
t=`expr $t + 1`
echo_i "checking that going from an empty policy zone works (${t})"
nsd $ns5 add '*.x.servfail.policy2.' x.servfail.policy2.
sleep 1
rndc_reload ns7 $ns7 policy2
$DIG z.x.servfail -p ${PORT} @$ns7 > dig.out.${t}
grep NXDOMAIN dig.out.${t} > /dev/null || setret "failed"
t=`expr $t + 1`
echo_i "checking that "add-soa no" at rpz zone level works (${t})"
$DIG z.x.servfail -p ${PORT} @$ns7 > dig.out.${t}
grep SOA dig.out.${t} > /dev/null && setret "failed"
if [ native = "$mode" ]; then
t=`expr $t + 1`
echo_i "checking that "add-soa yes" at response-policy level works (${t})"
$DIG walled.tld2 -p ${PORT} +noall +add @$ns3 > dig.out.${t}
grep "^manual-update-rpz\..*SOA" dig.out.${t} > /dev/null || setret "failed"
fi
if [ native = "$mode" ]; then
t=`expr $t + 1`
echo_i "reconfiguring server with 'add-soa no' (${t})"
cp ns3/named.conf ns3/named.conf.tmp
sed -e "s/add-soa yes/add-soa no/g" < ns3/named.conf.tmp > ns3/named.conf
rndc_reconfig ns3 $ns3
echo_i "checking that 'add-soa no' at response-policy level works (${t})"
$DIG walled.tld2 -p ${PORT} +noall +add @$ns3 > dig.out.${t}
grep "^manual-update-rpz\..*SOA" dig.out.${t} > /dev/null && setret "failed"
fi
if [ native = "$mode" ]; then
t=`expr $t + 1`
echo_i "checking that 'add-soa unset' works (${t})"
$DIG walled.tld2 -p ${PORT} +noall +add @$ns8 > dig.out.${t}
grep "^manual-update-rpz\..*SOA" dig.out.${t} > /dev/null || setret "failed"
fi
# dnsrps does not allow NS RRs in policy zones, so this check
# with dnsrps results in no rewriting.
if [ native = "$mode" ]; then
t=`expr $t + 1`
echo_i "checking rpz with delegation fails correctly (${t})"
$DIG -p ${PORT} @$ns3 ns example.com > dig.out.$t
grep "status: SERVFAIL" dig.out.$t > /dev/null || setret "failed"
t=`expr $t + 1`
echo_i "checking policies from expired zone are no longer in effect ($t)"
$DIG -p ${PORT} @$ns3 a expired > dig.out.$t
grep "expired.*10.0.0.10" dig.out.$t > /dev/null && setret "failed"
grep "fast-expire/IN: response-policy zone expired" ns3/named.run > /dev/null || setret "failed"
fi
# RPZ 'CNAME *.' (NODATA) trumps DNS64. Test against various DNS64 scenarios.
for label in a-only no-a-no-aaaa a-plus-aaaa
do
for type in AAAA A
do
t=`expr $t + 1`
case $label in
a-only)
echo_i "checking rpz 'CNAME *.' (NODATA) with dns64, $type lookup with A-only (${t})"
;;
no-a-no-aaaa)
echo_i "checking rpz 'CNAME *.' (NODATA) with dns64, $type lookup with no A or AAAA (${t})"
;;
a-plus-aaaa)
echo_i "checking rpz 'CNAME *.' (NODATA) with dns64, $type lookup with A and AAAA (${t})"
;;
esac
ret=0
$DIG ${label}.example -p ${PORT} $type @10.53.0.9 > dig.out.${t}
grep "status: NOERROR" dig.out.$t > /dev/null || ret=1
grep "ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 2$" dig.out.$t > /dev/null || ret=1
grep "^rpz" dig.out.$t > /dev/null || ret=1
[ $ret -eq 0 ] || echo_i "failed"
status=`expr $status + $ret`
done
done
if [ native = "$mode" ]; then
t=`expr $t + 1`
echo_i "checking that rewriting CD=1 queries handles pending data correctly (${t})"
$RNDCCMD $ns3 flush
$RNDCCMD $ns6 flush
$DIG a7-2.tld2s -p ${PORT} @$ns6 +cd > dig.out.${t}
grep -w "1.1.1.1" dig.out.${t} > /dev/null || setret "failed"
fi
[ $status -ne 0 ] && pf=fail || pf=pass
case $mode in
native)
native=$status
echo_i "status (native RPZ sub-test): $status ($pf)";;
dnsrps)
dnsrps=$status
echo_i "status (DNSRPS sub-test): $status ($pf)";;
*) echo_i "invalid test mode";;
esac
done
status=`expr ${native:-0} + ${dnsrps:-0}`
[ $status -eq 0 ] || exit 1