bind9/bin/tests/system/rpz/tests.sh
Ondřej Surý 62d59766d6
Remove DNSRPS implementation
DNSRPS was the API for a commercial implementation of Response-Policy
Zones that was supposedly better.  However, it was never open-sourced
and has only ever been available from a single vendor.  This goes against
the principle that the open-source edition of BIND 9 should contain only
features that are generally available and universal.

This commit removes the DNSRPS implementation from BIND 9.  It may be
reinstated in the subscription edition if there's enough interest from
customers, but it would have to be rewritten as a plugin (hook) instead
of hard-wiring it again in so many places.
2024-09-18 17:39:14 +02:00

824 lines
27 KiB
Bash

#!/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.
set -e
# test response policy zones (RPZ)
. ../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
SAVE_RESULTS=
ARGS=
USAGE="$0: [-S]"
while getopts "S:" c; do
case $c in
S)
SAVE_RESULTS=-S
ARGS="$ARGS -S"
;;
*)
echo "$USAGE" 1>&2
exit 1
;;
esac
done
shift $((OPTIND - 1))
if test "$#" -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
}
RNDCCMD="$RNDC -c ../_common/rndc.conf -p ${CONTROLPORT} -s"
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 $digcmd_args || return
}
# set DIGNM=file name for dig output
GROUP_NM=
TEST_NUM=0
make_dignm() {
TEST_NUM=$((TEST_NUM + 1))
DIGNM=dig.out$GROUP_NM-$TEST_NUM
while test -f $DIGNM; do
DIGNM="$DIGNM+"
done
}
setret() {
ret=1
status=$((status + 1))
echo_i "$*"
echo_i "failed"
}
# set $SN to the SOA serial number of a zone
# $1=domain
# $2=DNS server and client IP address
get_sn() {
make_dignm
$DIG -p "${PORT}" +short +norecurse soa "$1" "@$2" "-b$2" >$DIGNM
SN=$(awk '{ print $3 }' <$DIGNM)
[ -n "$SN" ] && return
echo_i "no serial number from \`dig -p ${PORT} soa $1 @$2\`"
exit 1
}
# 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
test_soa() {
get_sn "$2" "$3"
test "$SN" -eq "$1"
}
ck_soa() {
retry_quiet 10 test_soa "$@" && return 0
echo_i "got serial number \"$SN\" instead of \"$1\" from $2 @$3"
return 1
}
# (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
sleep 1
}
# $1=server and irrelevant args
# $2=error message
ckalive() {
CKALIVE_NS=$(expr "$1" : '.*@ns\([1-9]\).*' || true)
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 0
}
ckstats() {
HOST=$1
LABEL="$2"
NSDIR="$3"
EXPECTED="$4"
$RNDCCMD $HOST stats
NEW_CNT=$(sed -n -e 's/[ ]*\([0-9]*\).response policy.*/\1/p' \
$NSDIR/named.stats | tail -1)
eval "OLD_CNT=\$${NSDIR}_CNT"
NEW_CNT=$((NEW_CNT))
OLD_CNT=$((OLD_CNT))
GOT=$((NEW_CNT - OLD_CNT))
if test "$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 $HOST stats
NEW_CNT=$(sed -n -e 's/[ ]*\([0-9]*\).response policy.*/\1/p' \
$NSDIR/named.stats | tail -1)
eval "OLD_CNT=\$${NSDIR}_CNT"
NEW_CNT=$((NEW_CNT))
OLD_CNT=$((OLD_CNT))
GOT=$((NEW_CNT - OLD_CNT))
if test "$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
# $2=optional test file name
start_group() {
ret=0
t=$((t + 1))
test -n "$1" && date "+${TS}checking $1 (${t})" | cat_i
TEST_FILE=$2
if test -n "$TEST_FILE"; then
GROUP_NM="-$TEST_FILE"
load_db
else
GROUP_NM=
fi
TEST_NUM=0
}
end_group() {
if test -n "$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 $ns3 "failed; ns3 server crashed and restarted"
GROUP_NM=
}
clean_result() {
if test -z "$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 ../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"
else
clean_result ${DIGNM}*
fi
return 0
fi
setret "'dig $digarg' wrong; diff $DIGNM $2"
return 0
}
# 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 "$ADDR" | sed -e 's/\./\\./g')
ADDR_TTL=$(sed -n -e "s/^[-.a-z0-9]\{1,\}[ ]*\([0-9]*\) IN AA* ${ADDR_ESC}\$/\1/p" $DIGNM)
if test -z "$ADDR_TTL"; then
setret "'dig $2' wrong; no address $ADDR record in $DIGNM"
return 0
fi
if test -n "$3" && test "$ADDR_TTL" -ne "$3"; then
setret "'dig $2' wrong; TTL=$ADDR_TTL instead of $3 in $DIGNM"
return 0
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='^;; no servers could be reached'
drop() {
make_dignm
digcmd $* >$DIGNM || true
if grep "$DROPPED" $DIGNM >/dev/null; then
clean_result ${DIGNM}*
return 0
fi
setret "'dig $1' wrong; response in $DIGNM"
return 0
}
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
}
# ensure that the fast-expire zone is populated before we begin testing
$RNDCCMD $ns3 retransfer fast-expire
# make prototype files to check against rewritten results
retry_quiet 10 make_proto_nxdomain
retry_quiet 10 make_proto_nodata
start_group "QNAME rewrites" test1
nochange . # 1 do not crash or rewrite root
nxdomain a0-1.tld2 # 2
nodata a3-1.tld2 # 3
nodata a3-2.tld2 # 4 nodata at DNAME itself
nochange sub.a3-2.tld2 # 5 miss where DNAME might work
nxdomain a4-2.tld2 # 6 rewrite based on CNAME target
nxdomain a4-2-cname.tld2 # 7
nodata a4-3-cname.tld2 # 8
addr 12.12.12.12 a4-1.sub1.tld2 # 9 A replacement
addr 12.12.12.12 a4-1.sub2.tld2 # 10 A replacement with wildcard
addr 12.12.12.12 nxc1.sub1.tld2 # 11 replace NXDOMAIN with CNAME
addr 12.12.12.12 nxc2.sub1.tld2 # 12 replace NXDOMAIN with CNAME chain
addr 127.4.4.1 a4-4.tld2 # 13 prefer 1st conflicting QNAME zone
nochange a6-1.tld2 # 14
addr 127.6.2.1 a6-2.tld2 # 15
addr 56.56.56.56 a3-6.tld2 # 16 wildcard CNAME
addr 57.57.57.57 a3-7.sub1.tld2 # 17 wildcard CNAME
addr 127.0.0.16 a4-5-cname3.tld2 # 18 CNAME chain
addr 127.0.0.17 a4-6-cname3.tld2 # 19 stop short in CNAME chain
nochange a5-2.tld2 +norecurse # 20 check that RD=1 is required
nochange a5-3.tld2 +norecurse # 21
nochange a5-4.tld2 +norecurse # 22
nochange sub.a5-4.tld2 +norecurse # 23
nxdomain c1.crash2.tld3 # 24 assert in rbtdb.c
nxdomain a0-1.tld2 +dnssec # 25 simple DO=1 without signatures
nxdomain a0-1.tld2s +nodnssec # 26 simple DO=0 with signatures
nochange a0-1.tld2s +dnssec # 27 simple DO=1 with signatures
nxdomain a0-1s-cname.tld2s +dnssec # 28 DNSSEC too early in CNAME chain
nochange a0-1-scname.tld2 +dnssec # 29 DNSSEC on target in CNAME chain
nochange a0-1.tld2s srv +auth +dnssec # 30 no write for DNSSEC and no record
nxdomain a0-1.tld2s srv +nodnssec # 31
drop a3-8.tld2 any # 32 drop
nochange TCP a3-9.tld2 # 33 tcp-only
here x.servfail <<'EOF' # 34 qname-wait-recurse yes
;; status: SERVFAIL, x
EOF
addr 35.35.35.35 "x.servfail @$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
sleep 1 # there's an delay between "DNS" transfer and RPZ being active
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
nextpart ns3/named.run | grep -q "unrecognized NS rpz_rrset_find() failed: glue" \
&& setret "seen: unrecognized NS rpz_rrset_find() failed: glue"
end_group
ckstats $ns3 test3 ns3 9
# 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
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
ckstats $ns3 test4 ns3 6
# policies in ./test5 overridden by response-policy{} in ns3/named.conf
# and in ns5/named.conf
start_group "policy overrides" test5
addr 127.0.0.1 a3-1.tld2 # 1 bl-given
nochange a3-2.tld2 # 2 bl-passthru
nochange a3-3.tld2 # 3 bl-no-op (obsolete for passthru)
nochange a3-4.tld2 # 4 bl-disabled
nodata a3-5.tld2 # 5 bl-nodata zone recursive-only no
nodata a3-5.tld2 +norecurse # 6 bl-nodata zone recursive-only no
nodata a3-5.tld2 # 7 bl-nodata not needed
nxdomain a3-5.tld2 +norecurse @$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 $ns3 bugs ns3 8
# Ensure ns3 manages to transfer the fast-expire zone before shutdown.
nextpartreset ns3/named.run
wait_for_log 20 "zone fast-expire/IN: transferred serial 1" ns3/named.run
# reconfigure the ns5 primary server without the fast-expire zone, so
# it can't be refreshed on ns3, and will expire in 5 seconds.
cat /dev/null >ns5/expire.conf
rndc_reconfig ns5 10.53.0.5
# restart the main test RPZ server to see if that creates a core file
if test -z "$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 $runfile | grep -E -l 'invalid rpz|rpz.*failed' || true)
if test -n "$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
# restart the main test RPZ server with a bad zone.
t=$((t + 1))
echo_i "checking that ns3 with broken rpz does not crash (${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 ${CONTROLPORT} ns3
restart 3 "rebuild-bl-rpz"
t=$((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 $ns3 reconfig || setret "failed"
t=$((t + 1))
echo_i "checking the configured extended DNS error code (EDE) (${t})"
$DIG -p ${PORT} @$ns3 walled.tld2 >dig.out.$t || setret "failed"
grep -F "EDE: 4 (Forged Answer)" dig.out.$t >/dev/null || setret "failed"
# reload a RPZ zone that is now deliberately broken.
t=$((t + 1))
echo_i "checking rpz failed update will keep previous rpz rules (${t})"
$DIG -p ${PORT} @$ns3 walled.tld2 >dig.out.$t.before || setret "failed"
grep "walled\.tld2\..*IN.*A.*10\.0\.0\.1" dig.out.$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.$t.after || setret "failed"
grep "walled\.tld2\..*IN.*A.*10\.0\.0\.1" dig.out.$t.after >/dev/null || setret "failed"
t=$((t + 1))
echo_i "checking the default (unset) extended DNS error code (EDE) (${t})"
$DIG -p ${PORT} @$ns3 a6-2.tld2. A >dig.out.$t || setret "failed"
grep -F "EDE: " dig.out.$t >/dev/null && setret "failed"
t=$((t + 1))
echo_i "checking reload of a mixed-case RPZ zone (${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.$t.before || setret "failed"
grep "status: NXDOMAIN" dig.out.$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.$t.after || setret "failed"
grep "status: NXDOMAIN" dig.out.$t.after >/dev/null || setret "failed"
t=$((t + 1))
echo_i "checking that ttl values are not zeroed when qtype is '*' (${t})"
$DIG +noall +answer -p ${PORT} @$ns3 any a3-2.tld2 >dig.out.$t || setret "failed"
ttl=$(awk '/a3-2 tld2 text/ {print $2}' dig.out.$t)
if test ${ttl:=0} -eq 0; then setret "failed"; fi
t=$((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 $ns5 delete '*.example.com.policy1.' example.com.policy1.
done
t=$((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.${t} || setret "failed"
grep NXDOMAIN dig.out.${t} >/dev/null || setret "failed"
t=$((t + 1))
echo_i "checking that 'ede none' works same way as when \"ede\" is unset (${t})"
$DIG z.x.servfail -p ${PORT} @$ns7 >dig.out.${t} || setret "failed"
grep -F "EDE: " dig.out.${t} >/dev/null && setret "failed"
t=$((t + 1))
echo_i "checking that 'add-soa no' at rpz zone level works (${t})"
$DIG z.x.servfail -p ${PORT} @$ns7 >dig.out.${t} || setret "failed"
grep "SOA" dig.out.${t} >/dev/null && setret "failed"
t=$((t + 1))
echo_i "checking that 'add-soa yes' at response-policy level works (${t})"
$DIG walled.tld2 -p ${PORT} +noall +add @$ns3 >dig.out.${t} || setret "failed"
grep "^manual-update-rpz\..*60.*SOA" dig.out.${t} >/dev/null || setret "failed"
t=$((t + 1))
echo_i "reconfiguring server with 'add-soa no' (${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.${t} || setret "failed"
grep "^manual-update-rpz\..*SOA" dig.out.${t} >/dev/null && setret "failed"
t=$((t + 1))
echo_i "checking that 'add-soa unset' works (${t})"
$DIG walled.tld2 -p ${PORT} +noall +add @$ns8 >dig.out.${t} || setret "failed"
grep "^manual-update-rpz\..*60.*SOA" dig.out.${t} >/dev/null || setret "failed"
t=$((t + 1))
echo_i "checking rpz with delegation fails correctly (${t})"
$DIG -p ${PORT} @$ns3 ns example.com >dig.out.$t || setret "failed"
grep "status: SERVFAIL" dig.out.$t >/dev/null || setret "failed"
t=$((t + 1))
echo_i "checking policies from expired zone are no longer in effect ($t)"
$DIG -p ${PORT} @$ns3 a expired >dig.out.$t || setret "failed"
grep "expired.*10.0.0.10" dig.out.$t >/dev/null && setret "failed"
grep "fast-expire/IN: response-policy zone expired" ns3/named.run >/dev/null || setret "failed"
# 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=$((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} || setret "failed"
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
[ $ret -eq 0 ] || echo_i "failed"
status=$((status + ret))
done
done
t=$((t + 1))
echo_i "checking that rewriting CD=1 queries handles pending data correctly (${t})"
$RNDCCMD $ns3 flush
$RNDCCMD $ns6 flush
$DIG a7-2.tld2s -p ${PORT} @$ns6 +cd >dig.out.${t} || setret "failed"
grep -w "1.1.1.1" dig.out.${t} >/dev/null || setret "failed"
[ $status -eq 0 ] || exit 1