#!/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 . ../conf.sh DIGOPTS="-p ${PORT}" RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s" sendcmd() { send 10.53.0.4 "${EXTRAPORT1}" } status=0 n=0 n=$((n + 1)) echo_i "checking short DNAME from authoritative ($n)" ret=0 $DIG $DIGOPTS a.short-dname.example @10.53.0.2 a > dig.out.ns2.short || ret=1 grep "status: NOERROR" dig.out.ns2.short > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking short DNAME from recursive ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS a.short-dname.example @10.53.0.7 a > dig.out.ns4.short || ret=1 grep "status: NOERROR" dig.out.ns4.short > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking long DNAME from authoritative ($n)" ret=0 $DIG $DIGOPTS a.long-dname.example @10.53.0.2 a > dig.out.ns2.long || ret=1 grep "status: NOERROR" dig.out.ns2.long > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking long DNAME from recursive ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS a.long-dname.example @10.53.0.7 a > dig.out.ns4.long || ret=1 grep "status: NOERROR" dig.out.ns4.long > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking (too) long DNAME from authoritative ($n)" ret=0 $DIG $DIGOPTS 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.long-dname.example @10.53.0.2 a > dig.out.ns2.toolong || ret=1 grep "status: YXDOMAIN" dig.out.ns2.toolong > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking (too) long DNAME from recursive with cached DNAME ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.long-dname.example @10.53.0.7 a > dig.out.ns4.cachedtoolong || ret=1 grep "status: YXDOMAIN" dig.out.ns4.cachedtoolong > /dev/null || ret=1 grep '^long-dname\.example\..*DNAME.*long' dig.out.ns4.cachedtoolong > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking (too) long DNAME from recursive without cached DNAME ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglong.toolong-dname.example @10.53.0.7 a > dig.out.ns4.uncachedtoolong || ret=1 grep "status: YXDOMAIN" dig.out.ns4.uncachedtoolong > /dev/null || ret=1 grep '^toolong-dname\.example\..*DNAME.*long' dig.out.ns4.uncachedtoolong > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) find_records() { owner_name="$1" rr_type="$2" file="$3" awk '$1 == "'"$owner_name"'" && $4 == "'"$rr_type"'" { print }' < "$file" } count_records() { owner_name="$1" rr_type="$2" file="$3" find_records "$owner_name" "$rr_type" "$file" | wc -l } exactly_one_record_exists_for() { owner_name="$1" rr_type="$2" file="$3" test "$(count_records "$owner_name" "$rr_type" "$file")" -eq 1 } no_records_exist_for() { owner_name="$1" rr_type="$2" file="$3" test "$(count_records "$owner_name" "$rr_type" "$file")" -eq 0 } ensure_no_ds_in_bitmap() { owner_name="$1" rr_type="$2" file="$3" case "$rr_type" in NSEC) start_index=6 ;; NSEC3) start_index=10 ;; *) exit 1 ;; esac find_records "$owner_name" "$rr_type" "$file" | awk '{ for (i='"$start_index"'; i<=NF; i++) if ($i == "DS") exit 1 }' } n=$((n + 1)) echo_i "checking secure delegation prepared using CNAME chaining ($n)" ret=0 # QNAME exists, so the AUTHORITY section should only contain an NS RRset and a # DS RRset. $DIG $DIGOPTS @10.53.0.2 cname.wildcard-secure.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains the expected NS and DS RRsets. exactly_one_record_exists_for "delegation.wildcard-secure.example." NS dig.out.2.$n || ret=1 exactly_one_record_exists_for "delegation.wildcard-secure.example." DS dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking secure delegation prepared using wildcard expansion + CNAME chaining ($n)" ret=0 # QNAME does not exist, so the AUTHORITY section should contain an NS RRset, an # NSEC record proving nonexistence of QNAME, and a DS RRset at the zone cut. $DIG $DIGOPTS @10.53.0.2 a-nonexistent-name.wildcard-secure.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains the expected NS and DS RRsets. exactly_one_record_exists_for "delegation.wildcard-secure.example." NS dig.out.2.$n || ret=1 exactly_one_record_exists_for "delegation.wildcard-secure.example." DS dig.out.2.$n || ret=1 # Check NSEC records in the AUTHORITY section. no_records_exist_for "wildcard-secure.example." NSEC dig.out.2.$n || ret=1 exactly_one_record_exists_for "*.wildcard-secure.example." NSEC dig.out.2.$n || ret=1 no_records_exist_for "cname.wildcard-secure.example." NSEC dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-secure.example." NSEC dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking insecure delegation prepared using CNAME chaining, NSEC ($n)" ret=0 # QNAME exists, so the AUTHORITY section should only contain an NS RRset and a # single NSEC record proving nonexistence of a DS RRset at the zone cut. $DIG $DIGOPTS @10.53.0.2 cname.wildcard-nsec.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec.example." DS dig.out.2.$n || ret=1 # Check NSEC records in the AUTHORITY section. no_records_exist_for "wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 no_records_exist_for "*.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 no_records_exist_for "cname.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 exactly_one_record_exists_for "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 # Ensure the NSEC record for the zone cut does not have the DS bit set in the # type bit map. ensure_no_ds_in_bitmap "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC, QNAME #1 ($n)" ret=0 # QNAME does not exist, so the AUTHORITY section should contain an NS RRset and # NSEC records proving nonexistence of both QNAME and a DS RRset at the zone # cut. In this test case, these two NSEC records are different. $DIG $DIGOPTS @10.53.0.2 a-nonexistent-name.wildcard-nsec.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec.example." DS dig.out.2.$n || ret=1 # Check NSEC records in the AUTHORITY section. no_records_exist_for "wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 exactly_one_record_exists_for "*.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 no_records_exist_for "cname.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 exactly_one_record_exists_for "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 # Ensure the NSEC record for the zone cut does not have the DS bit set in the # type bit map. ensure_no_ds_in_bitmap "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC, QNAME #2 ($n)" ret=0 # QNAME does not exist, so the AUTHORITY section should contain an NS RRset and # NSEC records proving nonexistence of both QNAME and a DS RRset at the zone # cut. In this test case, the same NSEC record proves nonexistence of both the # QNAME and the DS RRset at the zone cut. $DIG $DIGOPTS @10.53.0.2 z-nonexistent-name.wildcard-nsec.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec.example." DS dig.out.2.$n || ret=1 # Check NSEC records in the AUTHORITY section. no_records_exist_for "wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 no_records_exist_for "*.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 no_records_exist_for "cname.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 exactly_one_record_exists_for "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 # Ensure the NSEC record for the zone cut does not have the DS bit set in the # type bit map. ensure_no_ds_in_bitmap "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) # Relevant NSEC3 hashes: # # - existing names: # # $ nsec3hash - 1 0 wildcard-nsec3.example. # 38IVP9CN0LBISO6H3V5REQCKMTHLI5AN (salt=-, hash=1, iterations=0) # $ nsec3hash - 1 0 cname.wildcard-nsec3.example. # 3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D (salt=-, hash=1, iterations=0) # $ nsec3hash - 1 0 delegation.wildcard-nsec3.example. # AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC (salt=-, hash=1, iterations=0) # $ nsec3hash - 1 0 *.wildcard-nsec3.example. # Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2 (salt=-, hash=1, iterations=0) # # - nonexistent names: # # $ nsec3hash - 1 0 a-nonexistent-name.wildcard-nsec3.example. # PST9IH6M0DG3M139CO3G12NUP4ER88SH (salt=-, hash=1, iterations=0) # $ nsec3hash - 1 0 z-nonexistent-name.wildcard-nsec3.example. # SG2DEHEAOGCKP7FTNQAUVC3I3TIPJH0J (salt=-, hash=1, iterations=0) n=$((n + 1)) echo_i "checking insecure delegation prepared using CNAME chaining, NSEC3 ($n)" ret=0 # QNAME exists, so the AUTHORITY section should only contain an NS RRset and a # single NSEC3 record proving nonexistence of a DS RRset at the zone cut. $DIG $DIGOPTS @10.53.0.2 cname.wildcard-nsec3.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec3.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec3.example." DS dig.out.2.$n || ret=1 # Check NSEC3 records in the AUTHORITY section. no_records_exist_for "38IVP9CN0LBISO6H3V5REQCKMTHLI5AN.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 exactly_one_record_exists_for "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 # Ensure the NSEC3 record matching the zone cut does not have the DS bit set in # the type bit map. ensure_no_ds_in_bitmap "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3, QNAME #1 ($n)" ret=0 # QNAME does not exist, so the AUTHORITY section should contain an NS RRset and # NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone # cut. In this test case, these two NSEC3 records are different. $DIG $DIGOPTS @10.53.0.2 z-nonexistent-name.wildcard-nsec3.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec3.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec3.example." DS dig.out.2.$n || ret=1 # Check NSEC3 records in the AUTHORITY section. no_records_exist_for "38IVP9CN0LBISO6H3V5REQCKMTHLI5AN.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 exactly_one_record_exists_for "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 exactly_one_record_exists_for "Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 # Ensure the NSEC3 record matching the zone cut does not have the DS bit set in # the type bit map. ensure_no_ds_in_bitmap "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3, QNAME #2 ($n)" ret=0 # QNAME does not exist, so the AUTHORITY section should contain an NS RRset and # NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone # cut. In this test case, the same NSEC3 record proves nonexistence of both the # QNAME and the DS RRset at the zone cut. $DIG $DIGOPTS @10.53.0.2 a-nonexistent-name.wildcard-nsec3.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec3.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec3.example." DS dig.out.2.$n || ret=1 # Check NSEC3 records in the AUTHORITY section. no_records_exist_for "38IVP9CN0LBISO6H3V5REQCKMTHLI5AN.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 exactly_one_record_exists_for "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 # Ensure the NSEC3 record matching the zone cut does not have the DS bit set in # the type bit map. ensure_no_ds_in_bitmap "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) # Relevant NSEC3 hashes: # # - existing names with corresponding NSEC3 records: # # $ nsec3hash - 1 0 *.wildcard-nsec3-optout.example. # 2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO (salt=-, hash=1, iterations=0) # $ nsec3hash - 1 0 cname.wildcard-nsec3-optout.example. # OKRFKC9SS1O60E8U2980UD62MUSMKGUG (salt=-, hash=1, iterations=0) # $ nsec3hash - 1 0 wildcard-nsec3-optout.example. # SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI (salt=-, hash=1, iterations=0) # # - existing name with no corresponding NSEC3 record due to opt-out: # # $ nsec3hash - 1 0 delegation.wildcard-nsec3-optout.example. # UFP8PVECFTD57HU5PUD2HE0ES37QEOAP (salt=-, hash=1, iterations=0) # # - nonexistent names: # # $ nsec3hash - 1 0 b-nonexistent-name.wildcard-nsec3-optout.example. # 3J38JE2OU0O7B4CE2ADMBBKJ5HT994S5 (salt=-, hash=1, iterations=0) # $ nsec3hash - 1 0 z-nonexistent-name.wildcard-nsec3-optout.example. # V7OTS4791T9SU0HKVL93EVNAJ9JH2CH3 (salt=-, hash=1, iterations=0) n=$((n + 1)) echo_i "checking insecure delegation prepared using CNAME chaining, NSEC3 with opt-out ($n)" ret=0 # QNAME exists, so the AUTHORITY section should only contain an NS RRset and a # single NSEC3 record proving nonexistence of a DS RRset at the zone cut. $DIG $DIGOPTS @10.53.0.2 cname.wildcard-nsec3-optout.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec3-optout.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec3-optout.example." DS dig.out.2.$n || ret=1 # Check NSEC3 records in the AUTHORITY section. no_records_exist_for "2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "OKRFKC9SS1O60E8U2980UD62MUSMKGUG.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 exactly_one_record_exists_for "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 # Ensure the NSEC3 record covering the zone cut does not have the DS bit set in # the type bit map. ensure_no_ds_in_bitmap "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3 with opt-out, QNAME #1 ($n)" ret=0 # QNAME does not exist, so the AUTHORITY section should contain an NS RRset and # NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone # cut. In this test case, these two NSEC3 records are different. $DIG $DIGOPTS @10.53.0.2 b-nonexistent-name.wildcard-nsec3-optout.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec3-optout.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec3-optout.example." DS dig.out.2.$n || ret=1 # Check NSEC3 records in the AUTHORITY section. exactly_one_record_exists_for "2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "OKRFKC9SS1O60E8U2980UD62MUSMKGUG.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 exactly_one_record_exists_for "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 # Ensure the NSEC3 record covering the zone cut does not have the DS bit set in # the type bit map. ensure_no_ds_in_bitmap "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3 with opt-out, QNAME #2 ($n)" ret=0 # QNAME does not exist, so the AUTHORITY section should contain an NS RRset and # NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone # cut. In this test case, the same NSEC3 record proves nonexistence of both the # QNAME and the DS RRset at the zone cut. $DIG $DIGOPTS @10.53.0.2 z-nonexistent-name.wildcard-nsec3-optout.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1 # Ensure that the AUTHORITY section contains an NS RRset without an associated # DS RRset. exactly_one_record_exists_for "delegation.wildcard-nsec3-optout.example." NS dig.out.2.$n || ret=1 no_records_exist_for "delegation.wildcard-nsec3-optout.example." DS dig.out.2.$n || ret=1 # Check NSEC3 records in the AUTHORITY section. no_records_exist_for "2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 no_records_exist_for "OKRFKC9SS1O60E8U2980UD62MUSMKGUG.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 exactly_one_record_exists_for "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 # Ensure the NSEC3 record covering the zone cut does not have the DS bit set in # the type bit map. ensure_no_ds_in_bitmap "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME to DNAME from authoritative ($n)" ret=0 $DIG $DIGOPTS cname.example @10.53.0.2 a > dig.out.ns2.cname grep "status: NOERROR" dig.out.ns2.cname > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME to DNAME from recursive" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS cname.example @10.53.0.7 a > dig.out.ns4.cname grep "status: NOERROR" dig.out.ns4.cname > /dev/null || ret=1 grep '^cname.example.' dig.out.ns4.cname > /dev/null || ret=1 grep '^cnamedname.example.' dig.out.ns4.cname > /dev/null || ret=1 grep '^a.cnamedname.example.' dig.out.ns4.cname > /dev/null || ret=1 grep '^a.target.example.' dig.out.ns4.cname > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking DNAME is returned with synthesized CNAME before DNAME ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 name.synth-then-dname.example.broken A > dig.out.test$n grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1 grep '^name.synth-then-dname\.example\.broken\..*CNAME.*name.$' dig.out.test$n > /dev/null || ret=1 grep '^synth-then-dname\.example\.broken\..*DNAME.*\.$' dig.out.test$n > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking DNAME is returned with CNAME to synthesized CNAME before DNAME ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 cname-to-synth2-then-dname.example.broken A > dig.out.test$n grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1 grep '^cname-to-synth2-then-dname\.example\.broken\..*CNAME.*name\.synth2-then-dname\.example\.broken.$' dig.out.test$n > /dev/null || ret=1 grep '^name\.synth2-then-dname\.example\.broken\..*CNAME.*name.$' dig.out.test$n > /dev/null || ret=1 grep '^synth2-then-dname\.example\.broken\..*DNAME.*\.$' dig.out.test$n > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME loops are detected ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 loop.example > dig.out.test$n grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1 grep "ANSWER: 17" dig.out.test$n > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME to external delegated zones is handled ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 a.example > dig.out.test$n grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1 grep "ANSWER: 2" dig.out.test$n > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME to internal delegated zones is handled ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 b.example > dig.out.test$n grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1 grep "ANSWER: 2" dig.out.test$n > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME to signed external delegation is handled ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 c.example > dig.out.$n grep "status: NOERROR" dig.out.$n > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME to signed internal delegation is handled ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 d.example > dig.out.$n grep "status: NOERROR" dig.out.$n > /dev/null || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking CNAME chains in various orders ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n - step 1 --- 2>&1 | sed 's/^/ns7 /' | cat_i echo "cname,cname,cname|1,2,3,4,s1,s2,s3,s4" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1 grep 'status: NOERROR' dig.out.1.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.1.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 2 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "cname,cname,cname|1,1,2,2,3,4,s4,s3,s1" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.2.$n 2>&1 grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.2.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 3 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "cname,cname,cname|2,1,3,4,s3,s1,s2,s4" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.3.$n 2>&1 grep 'status: NOERROR' dig.out.3.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.3.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 4 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "cname,cname,cname|4,3,2,1,s4,s3,s2,s1" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.4.$n 2>&1 grep 'status: NOERROR' dig.out.4.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.4.$n > /dev/null 2>&1 || ret=1 echo "cname,cname,cname|4,3,2,1,s4,s3,s2,s1" | sendcmd $RNDCCMD 10.53.0.7 null --- start test$n - step 5 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.5.$n 2>&1 grep 'status: NOERROR' dig.out.5.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.5.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 6 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "cname,cname,cname|4,3,3,3,s1,s1,1,3,4" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.6.$n 2>&1 grep 'status: NOERROR' dig.out.6.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.6.$n > /dev/null 2>&1 || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking that only the initial CNAME is cached ($n)" ret=0 $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "cname,cname,cname|1,2,3,4,s1,s2,s3,s4" | sendcmd $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1 sleep 1 $DIG $DIGOPTS +noall +answer @10.53.0.7 cname1.domain.nil > dig.out.2.$n 2>&1 ttl=$(awk '{print $2}' dig.out.2.$n) [ "$ttl" -eq 86400 ] || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking DNAME chains in various orders ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n - step 1 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "dname,dname|5,4,3,2,1,s5,s4,s3,s2,s1" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1 grep 'status: NOERROR' dig.out.1.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 3' dig.out.1.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 2 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "dname,dname|5,4,3,2,1,s5,s4,s3,s2,s1" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.2.$n 2>&1 grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 3' dig.out.2.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 3 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "dname,dname|2,3,s1,s2,s3,s4,1" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.3.$n 2>&1 grep 'status: NOERROR' dig.out.3.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 3' dig.out.3.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking external CNAME/DNAME chains in various orders ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n - step 1 --- 2>&1 | sed 's/^/ns7 /' | cat_i echo "xname,dname|1,2,3,4,s1,s2,s3,s4" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1 grep 'status: NOERROR' dig.out.1.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.1.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 2 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "xname,dname|s2,2,s1,1,4,s4,3" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.2.$n 2>&1 grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1 grep 'ANSWER: 2' dig.out.2.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 null --- start test$n - step 3 --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i echo "xname,dname|s2,2,2,2" | sendcmd $DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.3.$n 2>&1 grep 'status: SERVFAIL' dig.out.3.$n > /dev/null 2>&1 || ret=1 $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking explicit DNAME query ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 dname short-dname.example > dig.out.7.$n 2>&1 grep 'status: NOERROR' dig.out.7.$n > /dev/null 2>&1 || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) n=$((n + 1)) echo_i "checking DNAME via ANY query ($n)" ret=0 $RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i $RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i $DIG $DIGOPTS @10.53.0.7 any short-dname.example > dig.out.7.$n 2>&1 grep 'status: NOERROR' dig.out.7.$n > /dev/null 2>&1 || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) # Regression test for CVE-2021-25215 (authoritative server). n=$((n + 1)) echo_i "checking DNAME resolution via itself (authoritative) ($n)" ret=0 $DIG $DIGOPTS @10.53.0.2 DNAME self.domain0.self.domain0.nil. > dig.out.2.$n 2>&1 grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) # Regression test for CVE-2021-25215 (recursive resolver). n=$((n + 1)) echo_i "checking DNAME resolution via itself (recursive) ($n)" ret=0 $DIG $DIGOPTS @10.53.0.7 DNAME self.example.self.example.dname. > dig.out.7.$n 2>&1 grep 'status: NOERROR' dig.out.7.$n > /dev/null 2>&1 || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=$((status + ret)) echo_i "exit status: $status" [ $status -eq 0 ] || exit 1