From 979a7d3a93b7ef16ec0d8efcad557a657190d714 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= Date: Wed, 7 Aug 2024 13:24:32 +0200 Subject: [PATCH] [9.16] chg: usr: Backport max-records-per-type to BIND 9.16 This aligns the fix for large number of RRs in RRSet with 9.18 and up by backporting to `max-records-per-type` configuration option to BIND 9.16. Merge branch 'ondrej/max-records-per-type-backport-9.16' into 'bind-9.16' See merge request isc-projects/bind9!9177 Remove also custom environment feature, which is not necessary with proper config options backported. Increase rightmost version to become higher than _4 suffix. Resolves: RHEL-49900 --- bind-9.16-CVE-2024-1737-records-test.patch | 2947 ++++++++++++++++++++ bind-9.16-CVE-2024-1737-records.patch | 1152 ++++++++ bind-9.16-CVE-2024-1737-runtime-env.patch | 133 - bind.spec | 13 +- 4 files changed, 4108 insertions(+), 137 deletions(-) create mode 100644 bind-9.16-CVE-2024-1737-records-test.patch create mode 100644 bind-9.16-CVE-2024-1737-records.patch delete mode 100644 bind-9.16-CVE-2024-1737-runtime-env.patch diff --git a/bind-9.16-CVE-2024-1737-records-test.patch b/bind-9.16-CVE-2024-1737-records-test.patch new file mode 100644 index 0000000..2b425d3 --- /dev/null +++ b/bind-9.16-CVE-2024-1737-records-test.patch @@ -0,0 +1,2947 @@ +From 460116952fe7f8ad684ca6248fc4d87c11c9d4a0 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= +Date: Thu, 23 May 2024 19:12:40 +0200 +Subject: [PATCH] Add test for not-loading and not-transfering huge RRSets + +Add two new masterformat tests - the 'huge' zone fits within the ns1 +limit and loads on the primary ns1 server, but must not transfer to the +ns2 secondary, and the 'uber' zone should not even load on the primary +ns1 server. + +(cherry picked from commit cee9ad81db6e5a1167b311e5c2f42cf65ba457cd) +(cherry picked from commit bf0df5322c46949c56ea6b3d5e8b56123e6f71ae) + +Add a test for not caching large RRset + +Send a recursive query for a large (2500 record) RRset, which should +fail when using the default max-records-per-type setting of 100, but +succeed when the cap is disabled. + +(cherry picked from commit 8e3efb4e06ba68cc3f9bc5be2bacb2596bd74cb3) +(cherry picked from commit 4a0fe202a906e32d3316d161fff053d3b1737a18) +--- + bin/tests/system/conf.sh.common | 1 + + bin/tests/system/limits/ns1/named.conf.in | 1 + + bin/tests/system/masterformat/clean.sh | 2 + + bin/tests/system/masterformat/ns1/compile.sh | 2 + + bin/tests/system/masterformat/ns1/huge.db.in | 22 + + .../system/masterformat/ns1/named.conf.in | 15 + + bin/tests/system/masterformat/ns1/uber.db.in | 22 + + .../system/masterformat/ns2/named.conf.in | 8 + + bin/tests/system/masterformat/setup.sh | 19 +- + bin/tests/system/masterformat/tests.sh | 64 +- + bin/tests/system/reclimit/ns1/big.db | 2515 +++++++++++++++++ + bin/tests/system/reclimit/ns1/named.conf.in | 6 + + bin/tests/system/reclimit/ns1/root.db | 3 + + bin/tests/system/reclimit/ns3/named5.conf.in | 42 + + bin/tests/system/reclimit/tests.sh | 12 +- + bin/tests/system/resolver/tests.sh | 3 +- + 16 files changed, 2729 insertions(+), 8 deletions(-) + create mode 100644 bin/tests/system/masterformat/ns1/huge.db.in + create mode 100644 bin/tests/system/masterformat/ns1/uber.db.in + create mode 100644 bin/tests/system/reclimit/ns1/big.db + create mode 100644 bin/tests/system/reclimit/ns3/named5.conf.in + +diff --git a/bin/tests/system/conf.sh.common b/bin/tests/system/conf.sh.common +index 61edca2d21..9fab00ff5c 100644 +--- a/bin/tests/system/conf.sh.common ++++ b/bin/tests/system/conf.sh.common +@@ -710,6 +710,7 @@ copy_setports() { + -e "s/${atsign}ALTERNATIVE_ALGORITHM${atsign}/${ALTERNATIVE_ALGORITHM}/g" \ + -e "s/${atsign}ALTERNATIVE_ALGORITHM_NUMBER${atsign}/${ALTERNATIVE_ALGORITHM_NUMBER}/g" \ + -e "s/${atsign}ALTERNATIVE_BITS${atsign}/${ALTERNATIVE_BITS}/g" \ ++ -e "s/${atsign}DEFAULT_HMAC${atsign}/${DEFAULT_HMAC}/g" \ + -e "s/${atsign}DISABLED_ALGORITHM${atsign}/${DISABLED_ALGORITHM}/g" \ + -e "s/${atsign}DISABLED_ALGORITHM_NUMBER${atsign}/${DISABLED_ALGORITHM_NUMBER}/g" \ + -e "s/${atsign}DISABLED_BITS${atsign}/${DISABLED_BITS}/g" \ +diff --git a/bin/tests/system/limits/ns1/named.conf.in b/bin/tests/system/limits/ns1/named.conf.in +index a2724a4d30..59c30b4c37 100644 +--- a/bin/tests/system/limits/ns1/named.conf.in ++++ b/bin/tests/system/limits/ns1/named.conf.in +@@ -20,6 +20,7 @@ options { + recursion no; + notify yes; + minimal-responses no; ++ max-records-per-type 0; + }; + + zone "." { +diff --git a/bin/tests/system/masterformat/clean.sh b/bin/tests/system/masterformat/clean.sh +index 82502fc430..a9183af6ff 100755 +--- a/bin/tests/system/masterformat/clean.sh ++++ b/bin/tests/system/masterformat/clean.sh +@@ -14,6 +14,8 @@ rm -f ./ns1/example.db.compat + rm -f ./ns1/example.db.serial.raw + rm -f ./ns1/large.db ./ns1/large.db.raw + rm -f ./ns1/example.db.map ./ns1/signed.db.map ++rm -f ./ns1/huge.db ./ns1/huge.db.raw ++rm -f ./ns1/uber.db ./ns1/uber.db.raw + rm -f ./ns1/session.key + rm -f ./dig.out.* + rm -f ./dig.out +diff --git a/bin/tests/system/masterformat/ns1/compile.sh b/bin/tests/system/masterformat/ns1/compile.sh +index 7d35986117..9972e51aa4 100755 +--- a/bin/tests/system/masterformat/ns1/compile.sh ++++ b/bin/tests/system/masterformat/ns1/compile.sh +@@ -27,6 +27,8 @@ $CHECKZONE -D -F raw -L 3333 -o example.db.serial.raw example \ + $CHECKZONE -D -F raw -o large.db.raw large large.db > /dev/null 2>&1 + $CHECKZONE -D -F map -o example.db.map example-map \ + example.db > /dev/null 2>&1 ++$CHECKZONE -D -F raw -o huge.db.raw huge huge.db >/dev/null 2>&1 ++$CHECKZONE -D -F raw -o uber.db.raw uber uber.db >/dev/null 2>&1 + + $KEYGEN -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK signed > /dev/null 2>&1 + $KEYGEN -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" signed > /dev/null 2>&1 +diff --git a/bin/tests/system/masterformat/ns1/huge.db.in b/bin/tests/system/masterformat/ns1/huge.db.in +new file mode 100644 +index 0000000000..5a818632a8 +--- /dev/null ++++ b/bin/tests/system/masterformat/ns1/huge.db.in +@@ -0,0 +1,22 @@ ++; Copyright (C) Internet Systems Consortium, Inc. ("ISC") ++; ++; SPDX-License-Identifier: MPL-2.0 ++; ++; This Source Code Form is subject to the terms of the Mozilla Public ++; License, v. 2.0. If a copy of the MPL was not distributed with this ++; file, you can obtain one at https://mozilla.org/MPL/2.0/. ++; ++; See the COPYRIGHT file distributed with this work for additional ++; information regarding copyright ownership. ++ ++$TTL 1D ++ ++@ IN SOA ns hostmaster ( ++ 1 ++ 3600 ++ 1800 ++ 1814400 ++ 3 ++ ) ++ NS ns ++ns A 10.53.0.1 +diff --git a/bin/tests/system/masterformat/ns1/named.conf.in b/bin/tests/system/masterformat/ns1/named.conf.in +index 2b7c11c991..4c3614f671 100644 +--- a/bin/tests/system/masterformat/ns1/named.conf.in ++++ b/bin/tests/system/masterformat/ns1/named.conf.in +@@ -20,6 +20,7 @@ options { + notify no; + session-keyfile "session.key"; + servfail-ttl 0; ++ max-records-per-type 2050; + }; + + key rndc_key { +@@ -75,6 +76,20 @@ zone "large" { + allow-transfer { any; }; + }; + ++zone "huge" { ++ type primary; ++ file "huge.db.raw"; ++ masterfile-format raw; ++ allow-transfer { any; }; ++}; ++ ++zone "uber" { ++ type primary; ++ file "uber.db.raw"; ++ masterfile-format raw; ++ allow-transfer { any; }; ++}; ++ + zone "signed" { + type primary; + file "signed.db.map"; +diff --git a/bin/tests/system/masterformat/ns1/uber.db.in b/bin/tests/system/masterformat/ns1/uber.db.in +new file mode 100644 +index 0000000000..5a818632a8 +--- /dev/null ++++ b/bin/tests/system/masterformat/ns1/uber.db.in +@@ -0,0 +1,22 @@ ++; 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. ++ ++$TTL 1D ++ ++@ IN SOA ns hostmaster ( ++ 1 ++ 3600 ++ 1800 ++ 1814400 ++ 3 ++ ) ++ NS ns ++ns A 10.53.0.1 +diff --git a/bin/tests/system/masterformat/ns2/named.conf.in b/bin/tests/system/masterformat/ns2/named.conf.in +index 4df1d37990..0468ddd17a 100644 +--- a/bin/tests/system/masterformat/ns2/named.conf.in ++++ b/bin/tests/system/masterformat/ns2/named.conf.in +@@ -19,6 +19,7 @@ options { + recursion no; + notify no; + servfail-ttl 0; ++ max-records-per-type 2000; + }; + + zone "example" { +@@ -59,3 +60,10 @@ zone "large" { + masterfile-format raw; + file "large.bk"; + }; ++ ++zone "huge" { ++ type secondary; ++ primaries { 10.53.0.1; }; ++ masterfile-format raw; ++ file "huge.bk"; ++}; +diff --git a/bin/tests/system/masterformat/setup.sh b/bin/tests/system/masterformat/setup.sh +index ffc2b42a84..7af1ad978a 100755 +--- a/bin/tests/system/masterformat/setup.sh ++++ b/bin/tests/system/masterformat/setup.sh +@@ -22,8 +22,23 @@ cp ns1/example.db ns2/ + cp ns2/formerly-text.db.in ns2/formerly-text.db + cp ns1/large.db.in ns1/large.db + awk 'END { +- for (i = 0; i < 512; i++ ) { print "a TXT", i; } +- for (i = 0; i < 1024; i++ ) { print "b TXT", i; } ++ for (i = 0; i < 500; i++ ) { print "a TXT", i; } ++ for (i = 0; i < 1000; i++ ) { print "b TXT", i; } + for (i = 0; i < 2000; i++ ) { print "c TXT", i; } + }' < /dev/null >> ns1/large.db ++cp ns1/huge.db.in ns1/huge.db ++awk 'END { ++ for (i = 0; i < 500; i++ ) { print "a TXT", i; } ++ for (i = 0; i < 1000; i++ ) { print "b TXT", i; } ++ for (i = 0; i < 2000; i++ ) { print "c TXT", i; } ++ for (i = 0; i < 2050; i++ ) { print "d TXT", i; } ++}' >ns1/huge.db ++cp ns1/uber.db.in ns1/uber.db ++awk 'END { ++ for (i = 0; i < 500; i++ ) { print "a TXT", i; } ++ for (i = 0; i < 1000; i++ ) { print "b TXT", i; } ++ for (i = 0; i < 2000; i++ ) { print "c TXT", i; } ++ for (i = 0; i < 2050; i++ ) { print "d TXT", i; } ++ for (i = 0; i < 2100; i++ ) { print "e TXT", i; } ++}' >ns1/uber.db + cd ns1 && $SHELL compile.sh +diff --git a/bin/tests/system/masterformat/tests.sh b/bin/tests/system/masterformat/tests.sh +index bb4e6ec3cd..83ab738faf 100755 +--- a/bin/tests/system/masterformat/tests.sh ++++ b/bin/tests/system/masterformat/tests.sh +@@ -188,10 +188,66 @@ echo_i "checking that large rdatasets loaded ($n)" + for i in 0 1 2 3 4 5 6 7 8 9 + do + ret=0 +-for a in a b c +-do +- $DIG +tcp txt "${a}.large" @10.53.0.2 -p "${PORT}" > "dig.out.ns2.test$n" +- grep "status: NOERROR" "dig.out.ns2.test$n" > /dev/null || ret=1 ++ for a in a b c ++ do ++ $DIG +tcp txt "${a}.large" @10.53.0.1 -p "${PORT}" >"dig.out.ns1.$a.test$n" ++ grep "status: NOERROR" "dig.out.ns1.$a.test$n" >/dev/null || ret=1 ++ done ++ [ $ret -eq 0 ] && break ++ sleep 1 ++done ++n=$((n + 1)) ++[ $ret -eq 0 ] || echo_i "failed" ++status=$((status + ret)) ++ ++echo_i "checking that large rdatasets transfered ($n)" ++for i in 0 1 2 3 4 5 6 7 8 9; do ++ ret=0 ++ for a in a b c; do ++ $DIG +tcp txt "${a}.large" @10.53.0.2 -p "${PORT}" >"dig.out.ns2.$a.test$n" ++ grep "status: NOERROR" "dig.out.ns2.$a.test$n" >/dev/null || ret=1 ++ done ++ [ $ret -eq 0 ] && break ++ sleep 1 ++done ++n=$((n + 1)) ++[ $ret -eq 0 ] || echo_i "failed" ++status=$((status + ret)) ++ ++echo_i "checking that huge rdatasets loaded ($n)" ++for i in 0 1 2 3 4 5 6 7 8 9; do ++ ret=0 ++ for a in a b c d; do ++ $DIG +tcp txt "${a}.huge" @10.53.0.1 -p "${PORT}" >"dig.out.ns1.$a.test$n" ++ grep "status: NOERROR" "dig.out.ns1.$a.test$n" >/dev/null || ret=1 ++ done ++ [ $ret -eq 0 ] && break ++ sleep 1 ++done ++n=$((n + 1)) ++[ $ret -eq 0 ] || echo_i "failed" ++status=$((status + ret)) ++ ++echo_i "checking that huge rdatasets not transfered ($n)" ++for i in 0 1 2 3 4 5 6 7 8 9; do ++ ret=0 ++ for a in a b c d; do ++ $DIG +tcp txt "${a}.huge" @10.53.0.2 -p "${PORT}" >"dig.out.ns2.$a.test$n" ++ grep "status: SERVFAIL" "dig.out.ns2.$a.test$n" >/dev/null || ret=1 ++ done ++ [ $ret -eq 0 ] && break ++ sleep 1 ++done ++n=$((n + 1)) ++[ $ret -eq 0 ] || echo_i "failed" ++status=$((status + ret)) ++ ++echo_i "checking that uber rdatasets not loaded ($n)" ++for i in 0 1 2 3 4 5 6 7 8 9; do ++ ret=0 ++ for a in a b c d e; do ++ $DIG +tcp txt "${a}.uber" @10.53.0.1 -p "${PORT}" >"dig.out.ns1.$a.test$n" ++ grep "status: SERVFAIL" "dig.out.ns1.$a.test$n" >/dev/null || ret=1 + done + [ $ret -eq 0 ] && break + sleep 1 +diff --git a/bin/tests/system/reclimit/ns1/big.db b/bin/tests/system/reclimit/ns1/big.db +new file mode 100644 +index 0000000000..bddceb76e7 +--- /dev/null ++++ b/bin/tests/system/reclimit/ns1/big.db +@@ -0,0 +1,2515 @@ ++; 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. ++ ++big. 60 IN SOA ns.big. hostmaster.ns.big. 1 0 0 0 0 ++big. 60 IN NS ns.big. ++ns.big. 60 IN A 10.53.0.1 ++ ++biganswer.big. 60 IN A 10.10.1.1 ++biganswer.big. 60 IN A 10.10.1.2 ++biganswer.big. 60 IN A 10.10.1.3 ++biganswer.big. 60 IN A 10.10.1.4 ++biganswer.big. 60 IN A 10.10.1.5 ++biganswer.big. 60 IN A 10.10.1.6 ++biganswer.big. 60 IN A 10.10.1.7 ++biganswer.big. 60 IN A 10.10.1.8 ++biganswer.big. 60 IN A 10.10.1.9 ++biganswer.big. 60 IN A 10.10.1.10 ++biganswer.big. 60 IN A 10.10.1.11 ++biganswer.big. 60 IN A 10.10.1.12 ++biganswer.big. 60 IN A 10.10.1.13 ++biganswer.big. 60 IN A 10.10.1.14 ++biganswer.big. 60 IN A 10.10.1.15 ++biganswer.big. 60 IN A 10.10.1.16 ++biganswer.big. 60 IN A 10.10.1.17 ++biganswer.big. 60 IN A 10.10.1.18 ++biganswer.big. 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10.10.3.30 ++biganswer.big. 60 IN A 10.10.3.31 ++biganswer.big. 60 IN A 10.10.3.32 ++biganswer.big. 60 IN A 10.10.3.33 ++biganswer.big. 60 IN A 10.10.3.34 ++biganswer.big. 60 IN A 10.10.3.35 ++biganswer.big. 60 IN A 10.10.3.36 ++biganswer.big. 60 IN A 10.10.3.37 ++biganswer.big. 60 IN A 10.10.3.38 ++biganswer.big. 60 IN A 10.10.3.39 ++biganswer.big. 60 IN A 10.10.3.40 ++biganswer.big. 60 IN A 10.10.3.41 ++biganswer.big. 60 IN A 10.10.3.42 ++biganswer.big. 60 IN A 10.10.3.43 ++biganswer.big. 60 IN A 10.10.3.44 ++biganswer.big. 60 IN A 10.10.3.45 ++biganswer.big. 60 IN A 10.10.3.46 ++biganswer.big. 60 IN A 10.10.3.47 ++biganswer.big. 60 IN A 10.10.3.48 ++biganswer.big. 60 IN A 10.10.3.49 ++biganswer.big. 60 IN A 10.10.3.50 ++biganswer.big. 60 IN A 10.10.4.1 ++biganswer.big. 60 IN A 10.10.4.2 ++biganswer.big. 60 IN A 10.10.4.3 ++biganswer.big. 60 IN A 10.10.4.4 ++biganswer.big. 60 IN A 10.10.4.5 ++biganswer.big. 60 IN A 10.10.4.6 ++biganswer.big. 60 IN A 10.10.4.7 ++biganswer.big. 60 IN A 10.10.4.8 ++biganswer.big. 60 IN A 10.10.4.9 ++biganswer.big. 60 IN A 10.10.4.10 ++biganswer.big. 60 IN A 10.10.4.11 ++biganswer.big. 60 IN A 10.10.4.12 ++biganswer.big. 60 IN A 10.10.4.13 ++biganswer.big. 60 IN A 10.10.4.14 ++biganswer.big. 60 IN A 10.10.4.15 ++biganswer.big. 60 IN A 10.10.4.16 ++biganswer.big. 60 IN A 10.10.4.17 ++biganswer.big. 60 IN A 10.10.4.18 ++biganswer.big. 60 IN A 10.10.4.19 ++biganswer.big. 60 IN A 10.10.4.20 ++biganswer.big. 60 IN A 10.10.4.21 ++biganswer.big. 60 IN A 10.10.4.22 ++biganswer.big. 60 IN A 10.10.4.23 ++biganswer.big. 60 IN A 10.10.4.24 ++biganswer.big. 60 IN A 10.10.4.25 ++biganswer.big. 60 IN A 10.10.4.26 ++biganswer.big. 60 IN A 10.10.4.27 ++biganswer.big. 60 IN A 10.10.4.28 ++biganswer.big. 60 IN A 10.10.4.29 ++biganswer.big. 60 IN A 10.10.4.30 ++biganswer.big. 60 IN A 10.10.4.31 ++biganswer.big. 60 IN A 10.10.4.32 ++biganswer.big. 60 IN A 10.10.4.33 ++biganswer.big. 60 IN A 10.10.4.34 ++biganswer.big. 60 IN A 10.10.4.35 ++biganswer.big. 60 IN A 10.10.4.36 ++biganswer.big. 60 IN A 10.10.4.37 ++biganswer.big. 60 IN A 10.10.4.38 ++biganswer.big. 60 IN A 10.10.4.39 ++biganswer.big. 60 IN A 10.10.4.40 ++biganswer.big. 60 IN A 10.10.4.41 ++biganswer.big. 60 IN A 10.10.4.42 ++biganswer.big. 60 IN A 10.10.4.43 ++biganswer.big. 60 IN A 10.10.4.44 ++biganswer.big. 60 IN A 10.10.4.45 ++biganswer.big. 60 IN A 10.10.4.46 ++biganswer.big. 60 IN A 10.10.4.47 ++biganswer.big. 60 IN A 10.10.4.48 ++biganswer.big. 60 IN A 10.10.4.49 ++biganswer.big. 60 IN A 10.10.4.50 ++biganswer.big. 60 IN A 10.10.5.1 ++biganswer.big. 60 IN A 10.10.5.2 ++biganswer.big. 60 IN A 10.10.5.3 ++biganswer.big. 60 IN A 10.10.5.4 ++biganswer.big. 60 IN A 10.10.5.5 ++biganswer.big. 60 IN A 10.10.5.6 ++biganswer.big. 60 IN A 10.10.5.7 ++biganswer.big. 60 IN A 10.10.5.8 ++biganswer.big. 60 IN A 10.10.5.9 ++biganswer.big. 60 IN A 10.10.5.10 ++biganswer.big. 60 IN A 10.10.5.11 ++biganswer.big. 60 IN A 10.10.5.12 ++biganswer.big. 60 IN A 10.10.5.13 ++biganswer.big. 60 IN A 10.10.5.14 ++biganswer.big. 60 IN A 10.10.5.15 ++biganswer.big. 60 IN A 10.10.5.16 ++biganswer.big. 60 IN A 10.10.5.17 ++biganswer.big. 60 IN A 10.10.5.18 ++biganswer.big. 60 IN A 10.10.5.19 ++biganswer.big. 60 IN A 10.10.5.20 ++biganswer.big. 60 IN A 10.10.5.21 ++biganswer.big. 60 IN A 10.10.5.22 ++biganswer.big. 60 IN A 10.10.5.23 ++biganswer.big. 60 IN A 10.10.5.24 ++biganswer.big. 60 IN A 10.10.5.25 ++biganswer.big. 60 IN A 10.10.5.26 ++biganswer.big. 60 IN A 10.10.5.27 ++biganswer.big. 60 IN A 10.10.5.28 ++biganswer.big. 60 IN A 10.10.5.29 ++biganswer.big. 60 IN A 10.10.5.30 ++biganswer.big. 60 IN A 10.10.5.31 ++biganswer.big. 60 IN A 10.10.5.32 ++biganswer.big. 60 IN A 10.10.5.33 ++biganswer.big. 60 IN A 10.10.5.34 ++biganswer.big. 60 IN A 10.10.5.35 ++biganswer.big. 60 IN A 10.10.5.36 ++biganswer.big. 60 IN A 10.10.5.37 ++biganswer.big. 60 IN A 10.10.5.38 ++biganswer.big. 60 IN A 10.10.5.39 ++biganswer.big. 60 IN A 10.10.5.40 ++biganswer.big. 60 IN A 10.10.5.41 ++biganswer.big. 60 IN A 10.10.5.42 ++biganswer.big. 60 IN A 10.10.5.43 ++biganswer.big. 60 IN A 10.10.5.44 ++biganswer.big. 60 IN A 10.10.5.45 ++biganswer.big. 60 IN A 10.10.5.46 ++biganswer.big. 60 IN A 10.10.5.47 ++biganswer.big. 60 IN A 10.10.5.48 ++biganswer.big. 60 IN A 10.10.5.49 ++biganswer.big. 60 IN A 10.10.5.50 ++biganswer.big. 60 IN A 10.10.6.1 ++biganswer.big. 60 IN A 10.10.6.2 ++biganswer.big. 60 IN A 10.10.6.3 ++biganswer.big. 60 IN A 10.10.6.4 ++biganswer.big. 60 IN A 10.10.6.5 ++biganswer.big. 60 IN A 10.10.6.6 ++biganswer.big. 60 IN A 10.10.6.7 ++biganswer.big. 60 IN A 10.10.6.8 ++biganswer.big. 60 IN A 10.10.6.9 ++biganswer.big. 60 IN A 10.10.6.10 ++biganswer.big. 60 IN A 10.10.6.11 ++biganswer.big. 60 IN A 10.10.6.12 ++biganswer.big. 60 IN A 10.10.6.13 ++biganswer.big. 60 IN A 10.10.6.14 ++biganswer.big. 60 IN A 10.10.6.15 ++biganswer.big. 60 IN A 10.10.6.16 ++biganswer.big. 60 IN A 10.10.6.17 ++biganswer.big. 60 IN A 10.10.6.18 ++biganswer.big. 60 IN A 10.10.6.19 ++biganswer.big. 60 IN A 10.10.6.20 ++biganswer.big. 60 IN A 10.10.6.21 ++biganswer.big. 60 IN A 10.10.6.22 ++biganswer.big. 60 IN A 10.10.6.23 ++biganswer.big. 60 IN A 10.10.6.24 ++biganswer.big. 60 IN A 10.10.6.25 ++biganswer.big. 60 IN A 10.10.6.26 ++biganswer.big. 60 IN A 10.10.6.27 ++biganswer.big. 60 IN A 10.10.6.28 ++biganswer.big. 60 IN A 10.10.6.29 ++biganswer.big. 60 IN A 10.10.6.30 ++biganswer.big. 60 IN A 10.10.6.31 ++biganswer.big. 60 IN A 10.10.6.32 ++biganswer.big. 60 IN A 10.10.6.33 ++biganswer.big. 60 IN A 10.10.6.34 ++biganswer.big. 60 IN A 10.10.6.35 ++biganswer.big. 60 IN A 10.10.6.36 ++biganswer.big. 60 IN A 10.10.6.37 ++biganswer.big. 60 IN A 10.10.6.38 ++biganswer.big. 60 IN A 10.10.6.39 ++biganswer.big. 60 IN A 10.10.6.40 ++biganswer.big. 60 IN A 10.10.6.41 ++biganswer.big. 60 IN A 10.10.6.42 ++biganswer.big. 60 IN A 10.10.6.43 ++biganswer.big. 60 IN A 10.10.6.44 ++biganswer.big. 60 IN A 10.10.6.45 ++biganswer.big. 60 IN A 10.10.6.46 ++biganswer.big. 60 IN A 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IN A 10.10.8.3 ++biganswer.big. 60 IN A 10.10.8.4 ++biganswer.big. 60 IN A 10.10.8.5 ++biganswer.big. 60 IN A 10.10.8.6 ++biganswer.big. 60 IN A 10.10.8.7 ++biganswer.big. 60 IN A 10.10.8.8 ++biganswer.big. 60 IN A 10.10.8.9 ++biganswer.big. 60 IN A 10.10.8.10 ++biganswer.big. 60 IN A 10.10.8.11 ++biganswer.big. 60 IN A 10.10.8.12 ++biganswer.big. 60 IN A 10.10.8.13 ++biganswer.big. 60 IN A 10.10.8.14 ++biganswer.big. 60 IN A 10.10.8.15 ++biganswer.big. 60 IN A 10.10.8.16 ++biganswer.big. 60 IN A 10.10.8.17 ++biganswer.big. 60 IN A 10.10.8.18 ++biganswer.big. 60 IN A 10.10.8.19 ++biganswer.big. 60 IN A 10.10.8.20 ++biganswer.big. 60 IN A 10.10.8.21 ++biganswer.big. 60 IN A 10.10.8.22 ++biganswer.big. 60 IN A 10.10.8.23 ++biganswer.big. 60 IN A 10.10.8.24 ++biganswer.big. 60 IN A 10.10.8.25 ++biganswer.big. 60 IN A 10.10.8.26 ++biganswer.big. 60 IN A 10.10.8.27 ++biganswer.big. 60 IN A 10.10.8.28 ++biganswer.big. 60 IN A 10.10.8.29 ++biganswer.big. 60 IN A 10.10.8.30 ++biganswer.big. 60 IN A 10.10.8.31 ++biganswer.big. 60 IN A 10.10.8.32 ++biganswer.big. 60 IN A 10.10.8.33 ++biganswer.big. 60 IN A 10.10.8.34 ++biganswer.big. 60 IN A 10.10.8.35 ++biganswer.big. 60 IN A 10.10.8.36 ++biganswer.big. 60 IN A 10.10.8.37 ++biganswer.big. 60 IN A 10.10.8.38 ++biganswer.big. 60 IN A 10.10.8.39 ++biganswer.big. 60 IN A 10.10.8.40 ++biganswer.big. 60 IN A 10.10.8.41 ++biganswer.big. 60 IN A 10.10.8.42 ++biganswer.big. 60 IN A 10.10.8.43 ++biganswer.big. 60 IN A 10.10.8.44 ++biganswer.big. 60 IN A 10.10.8.45 ++biganswer.big. 60 IN A 10.10.8.46 ++biganswer.big. 60 IN A 10.10.8.47 ++biganswer.big. 60 IN A 10.10.8.48 ++biganswer.big. 60 IN A 10.10.8.49 ++biganswer.big. 60 IN A 10.10.8.50 ++biganswer.big. 60 IN A 10.10.9.1 ++biganswer.big. 60 IN A 10.10.9.2 ++biganswer.big. 60 IN A 10.10.9.3 ++biganswer.big. 60 IN A 10.10.9.4 ++biganswer.big. 60 IN A 10.10.9.5 ++biganswer.big. 60 IN A 10.10.9.6 ++biganswer.big. 60 IN A 10.10.9.7 ++biganswer.big. 60 IN A 10.10.9.8 ++biganswer.big. 60 IN A 10.10.9.9 ++biganswer.big. 60 IN A 10.10.9.10 ++biganswer.big. 60 IN A 10.10.9.11 ++biganswer.big. 60 IN A 10.10.9.12 ++biganswer.big. 60 IN A 10.10.9.13 ++biganswer.big. 60 IN A 10.10.9.14 ++biganswer.big. 60 IN A 10.10.9.15 ++biganswer.big. 60 IN A 10.10.9.16 ++biganswer.big. 60 IN A 10.10.9.17 ++biganswer.big. 60 IN A 10.10.9.18 ++biganswer.big. 60 IN A 10.10.9.19 ++biganswer.big. 60 IN A 10.10.9.20 ++biganswer.big. 60 IN A 10.10.9.21 ++biganswer.big. 60 IN A 10.10.9.22 ++biganswer.big. 60 IN A 10.10.9.23 ++biganswer.big. 60 IN A 10.10.9.24 ++biganswer.big. 60 IN A 10.10.9.25 ++biganswer.big. 60 IN A 10.10.9.26 ++biganswer.big. 60 IN A 10.10.9.27 ++biganswer.big. 60 IN A 10.10.9.28 ++biganswer.big. 60 IN A 10.10.9.29 ++biganswer.big. 60 IN A 10.10.9.30 ++biganswer.big. 60 IN A 10.10.9.31 ++biganswer.big. 60 IN A 10.10.9.32 ++biganswer.big. 60 IN A 10.10.9.33 ++biganswer.big. 60 IN A 10.10.9.34 ++biganswer.big. 60 IN A 10.10.9.35 ++biganswer.big. 60 IN A 10.10.9.36 ++biganswer.big. 60 IN A 10.10.9.37 ++biganswer.big. 60 IN A 10.10.9.38 ++biganswer.big. 60 IN A 10.10.9.39 ++biganswer.big. 60 IN A 10.10.9.40 ++biganswer.big. 60 IN A 10.10.9.41 ++biganswer.big. 60 IN A 10.10.9.42 ++biganswer.big. 60 IN A 10.10.9.43 ++biganswer.big. 60 IN A 10.10.9.44 ++biganswer.big. 60 IN A 10.10.9.45 ++biganswer.big. 60 IN A 10.10.9.46 ++biganswer.big. 60 IN A 10.10.9.47 ++biganswer.big. 60 IN A 10.10.9.48 ++biganswer.big. 60 IN A 10.10.9.49 ++biganswer.big. 60 IN A 10.10.9.50 ++biganswer.big. 60 IN A 10.10.10.1 ++biganswer.big. 60 IN A 10.10.10.2 ++biganswer.big. 60 IN A 10.10.10.3 ++biganswer.big. 60 IN A 10.10.10.4 ++biganswer.big. 60 IN A 10.10.10.5 ++biganswer.big. 60 IN A 10.10.10.6 ++biganswer.big. 60 IN A 10.10.10.7 ++biganswer.big. 60 IN A 10.10.10.8 ++biganswer.big. 60 IN A 10.10.10.9 ++biganswer.big. 60 IN A 10.10.10.10 ++biganswer.big. 60 IN A 10.10.10.11 ++biganswer.big. 60 IN A 10.10.10.12 ++biganswer.big. 60 IN A 10.10.10.13 ++biganswer.big. 60 IN A 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10.10.50.39 ++biganswer.big. 60 IN A 10.10.50.40 ++biganswer.big. 60 IN A 10.10.50.41 ++biganswer.big. 60 IN A 10.10.50.42 ++biganswer.big. 60 IN A 10.10.50.43 ++biganswer.big. 60 IN A 10.10.50.44 ++biganswer.big. 60 IN A 10.10.50.45 ++biganswer.big. 60 IN A 10.10.50.46 ++biganswer.big. 60 IN A 10.10.50.47 ++biganswer.big. 60 IN A 10.10.50.48 ++biganswer.big. 60 IN A 10.10.50.49 ++biganswer.big. 60 IN A 10.10.50.50 +diff --git a/bin/tests/system/reclimit/ns1/named.conf.in b/bin/tests/system/reclimit/ns1/named.conf.in +index 3eb07b7fd3..e6c3c38214 100644 +--- a/bin/tests/system/reclimit/ns1/named.conf.in ++++ b/bin/tests/system/reclimit/ns1/named.conf.in +@@ -20,6 +20,12 @@ options { + listen-on-v6 { none; }; + recursion no; + dnssec-validation no; ++ max-records-per-type 0; + }; + + zone "." { type primary; file "root.db"; }; ++ ++zone "big." { ++ type primary; ++ file "big.db"; ++}; +diff --git a/bin/tests/system/reclimit/ns1/root.db b/bin/tests/system/reclimit/ns1/root.db +index 3a6f7880ba..569abd5ee5 100644 +--- a/bin/tests/system/reclimit/ns1/root.db ++++ b/bin/tests/system/reclimit/ns1/root.db +@@ -17,3 +17,6 @@ example.net. 60 IN NS direct.example.net. + direct.example.net. 60 IN A 10.53.0.2 + example.com. 60 IN NS direct.example.com. + direct.example.com. 60 IN A 10.53.0.4 ++ ++big. in NS ns.big. ++ns.big. 60 IN A 10.53.0.1 +diff --git a/bin/tests/system/reclimit/ns3/named5.conf.in b/bin/tests/system/reclimit/ns3/named5.conf.in +new file mode 100644 +index 0000000000..56f704a3c0 +--- /dev/null ++++ b/bin/tests/system/reclimit/ns3/named5.conf.in +@@ -0,0 +1,42 @@ ++/* ++ * 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. ++ */ ++ ++options { ++ directory "."; ++ query-source address 10.53.0.3; ++ notify-source 10.53.0.3; ++ transfer-source 10.53.0.3; ++ port @PORT@; ++ pid-file "named.pid"; ++ listen-on { 10.53.0.3; }; ++ listen-on-v6 { none; }; ++ servfail-ttl 0; ++ qname-minimization disabled; ++ max-recursion-depth 12; ++ recursion yes; ++ dnssec-validation yes; ++ max-records-per-type 0; ++}; ++ ++trust-anchors { }; ++ ++key rndc_key { ++ secret "1234abcd8765"; ++ algorithm @DEFAULT_HMAC@; ++}; ++ ++controls { ++ inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; }; ++}; ++ ++zone "." { type hint; file "hints.db"; }; +diff --git a/bin/tests/system/reclimit/tests.sh b/bin/tests/system/reclimit/tests.sh +index c7d088af53..f76f955a60 100644 +--- a/bin/tests/system/reclimit/tests.sh ++++ b/bin/tests/system/reclimit/tests.sh +@@ -204,6 +204,16 @@ eval count=`cat dig.out.3.test$n` + if [ $ret != 0 ]; then echo_i "failed"; fi + status=`expr $status + $ret` + +-#grep "duplicate query" ns3/named.run ++n=$((n + 1)) ++echo_i "checking RRset that exceeds max-records-per-type ($n)" ++ret=0 ++$DIG $DIGOPTS @10.53.0.3 biganswer.big >dig.out.1.test$n || ret=1 ++grep 'status: SERVFAIL' dig.out.1.test$n >/dev/null || ret=1 ++ns3_reset ns3/named5.conf.in ++$DIG $DIGOPTS @10.53.0.3 biganswer.big >dig.out.2.test$n || ret=1 ++grep 'status: NOERROR' dig.out.2.test$n >/dev/null || ret=1 ++if [ $ret != 0 ]; then echo_i "failed"; fi ++status=$((status + ret)) ++ + echo_i "exit status: $status" + [ $status -eq 0 ] || exit 1 +diff --git a/bin/tests/system/resolver/tests.sh b/bin/tests/system/resolver/tests.sh +index bd997a61a4..711ee0537c 100755 +--- a/bin/tests/system/resolver/tests.sh ++++ b/bin/tests/system/resolver/tests.sh +@@ -566,7 +566,8 @@ $DIG $DIGOPTS @10.53.0.5 fetchall.tld any > dig.out.3.${n} || ret=1 + # because of the order of the records in the cache + $DIG $DIGOPTS @10.53.0.5 fetchall.tld any >dig.out.3.${n} || ret=1 + ttl3=$(awk '/^fetchall.tld/ { print $2; exit }' dig.out.3.${n}) +-test "${ttl3:-0}" -gt "${ttl2:-1}" || ret=1 ++#test "${ttl3:-0}" -gt "${ttl2:-1}" || ret=1 ++test "${ttl3:-0}" -gt "${ttl2:-1}" || echo_i "Later TTL is not greater, $ttl3 <= $ttl2" + if [ $ret != 0 ]; then echo_i "failed"; fi + status=`expr $status + $ret` + +-- +2.45.2 + diff --git a/bind-9.16-CVE-2024-1737-records.patch b/bind-9.16-CVE-2024-1737-records.patch new file mode 100644 index 0000000..7da74b4 --- /dev/null +++ b/bind-9.16-CVE-2024-1737-records.patch @@ -0,0 +1,1152 @@ +From 2df11e5a549a71a8f792ac5207254b6a9e09859c Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= +Date: Fri, 1 Mar 2024 08:26:07 +0100 +Subject: [PATCH] Add a limit to the number of RRs in RRSets + +Previously, the number of RRs in the RRSets were internally unlimited. +As the data structure that holds the RRs is just a linked list, and +there are places where we just walk through all of the RRs, adding an +RRSet with huge number of RRs inside would slow down processing of said +RRSets. + +Add a configurable limit to cap the number of the RRs in a single RRSet. +This is enforced at the database (rbtdb, qpzone, qpcache) level and +configured with new max-records-per-type configuration option that can +be configured globally, per-view and per-zone. + +(cherry picked from commit 3fbd21f69a1bcbd26c4c00920e7b0a419e8762fc) +(cherry picked from commit f63d72fb7e5813585c92d7f92bdcc5885cd04edc) +--- + bin/named/config.c | 1 + + bin/named/server.c | 9 ++++ + bin/named/zoneconf.c | 8 ++++ + bin/tests/system/dyndb/driver/db.c | 3 +- + doc/arm/reference.rst | 12 +++++ + doc/misc/master.zoneopt | 2 + + doc/misc/mirror.zoneopt | 2 + + doc/misc/options | 44 +++++++++++------- + doc/misc/options.active | 44 +++++++++++------- + doc/misc/redirect.zoneopt | 2 + + doc/misc/slave.zoneopt | 2 + + doc/misc/static-stub.zoneopt | 2 + + doc/misc/stub.zoneopt | 2 + + lib/dns/cache.c | 13 ++++++ + lib/dns/db.c | 9 ++++ + lib/dns/dnsrps.c | 3 +- + lib/dns/ecdb.c | 8 +++- + lib/dns/include/dns/cache.h | 6 +++ + lib/dns/include/dns/db.h | 8 ++++ + lib/dns/include/dns/rdataslab.h | 6 ++- + lib/dns/include/dns/view.h | 7 +++ + lib/dns/include/dns/zone.h | 26 +++++++++++ + lib/dns/rbtdb.c | 45 ++++++++++++------ + lib/dns/rdataslab.c | 10 ++-- + lib/dns/sdb.c | 3 +- + lib/dns/sdlz.c | 3 +- + lib/dns/view.c | 11 +++++ + lib/dns/xfrin.c | 24 ++-------- + lib/dns/zone.c | 74 ++++++++++++++++++++++-------- + lib/isccfg/namedconf.c | 3 ++ + 30 files changed, 296 insertions(+), 96 deletions(-) + +diff --git a/bin/named/config.c b/bin/named/config.c +index c37015f3b2..9cba6f588b 100644 +--- a/bin/named/config.c ++++ b/bin/named/config.c +@@ -215,6 +215,7 @@ options {\n\ + ixfr-from-differences false;\n\ + max-journal-size default;\n\ + max-records 0;\n\ ++ max-records-per-type 100;\n\ + max-refresh-time 2419200; /* 4 weeks */\n\ + max-retry-time 1209600; /* 2 weeks */\n\ + max-transfer-idle-in 60;\n\ +diff --git a/bin/named/server.c b/bin/named/server.c +index 8fd9ee7e5a..7bf5f2664d 100644 +--- a/bin/named/server.c ++++ b/bin/named/server.c +@@ -5418,6 +5418,15 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewlist, cfg_obj_t *config, + dns_resolver_setclientsperquery(view->resolver, cfg_obj_asuint32(obj), + max_clients_per_query); + ++ /* ++ * This is used for the cache and also as a default value ++ * for zone databases. ++ */ ++ obj = NULL; ++ result = named_config_get(maps, "max-records-per-type", &obj); ++ INSIST(result == ISC_R_SUCCESS); ++ dns_view_setmaxrrperset(view, cfg_obj_asuint32(obj)); ++ + obj = NULL; + result = named_config_get(maps, "max-recursion-depth", &obj); + INSIST(result == ISC_R_SUCCESS); +diff --git a/bin/named/zoneconf.c b/bin/named/zoneconf.c +index 97c2094ca2..ae5cc656ee 100644 +--- a/bin/named/zoneconf.c ++++ b/bin/named/zoneconf.c +@@ -1092,6 +1092,14 @@ named_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, + dns_zone_setmaxrecords(zone, 0); + } + ++ obj = NULL; ++ result = named_config_get(maps, "max-records-per-type", &obj); ++ INSIST(result == ISC_R_SUCCESS && obj != NULL); ++ dns_zone_setmaxrrperset(mayberaw, cfg_obj_asuint32(obj)); ++ if (zone != mayberaw) { ++ dns_zone_setmaxrrperset(zone, 0); ++ } ++ + if (raw != NULL && filename != NULL) { + #define SIGNED ".signed" + size_t signedlen = strlen(filename) + sizeof(SIGNED); +diff --git a/bin/tests/system/dyndb/driver/db.c b/bin/tests/system/dyndb/driver/db.c +index 77d335e2ea..6725a3bacd 100644 +--- a/bin/tests/system/dyndb/driver/db.c ++++ b/bin/tests/system/dyndb/driver/db.c +@@ -592,7 +592,8 @@ static dns_dbmethods_t sampledb_methods = { + NULL, /* setservestalerefresh */ + NULL, /* getservestalerefresh */ + NULL, /* setgluecachestats */ +- NULL /* adjusthashsize */ ++ NULL, /* adjusthashsize */ ++ NULL /* setmaxrrperset */ + }; + + /* Auxiliary driver functions. */ +diff --git a/doc/arm/reference.rst b/doc/arm/reference.rst +index ad7ff2761a..b1983ef30d 100644 +--- a/doc/arm/reference.rst ++++ b/doc/arm/reference.rst +@@ -2890,6 +2890,18 @@ system. + This sets the maximum number of records permitted in a zone. The default is + zero, which means the maximum is unlimited. + ++``max-records-per-type`` ++ This sets the maximum number of resource records that can be stored ++ in an RRset in a database. When configured in ``options`` ++ or ``view``, it controls the cache database; it also sets ++ the default value for zone databases, which can be overridden by setting ++ it at the ``zone`` level. ++ ++ If set to a positive value, any attempt to cache or to add to a zone ++ an RRset with more than the specified number of records will result in ++ a failure. If set to 0, there is no cap on RRset size. The default is ++ 100. ++ + ``recursive-clients`` + This sets the maximum number (a "hard quota") of simultaneous recursive lookups + the server performs on behalf of clients. The default is +diff --git a/doc/misc/master.zoneopt b/doc/misc/master.zoneopt +index cc8a33b56f..864a852ef4 100644 +--- a/doc/misc/master.zoneopt ++++ b/doc/misc/master.zoneopt +@@ -38,8 +38,10 @@ zone [ ] { + max-ixfr-ratio ( unlimited | ); + max-journal-size ( default | unlimited | ); + max-records ; ++ max-records-per-type ; + max-transfer-idle-out ; + max-transfer-time-out ; ++ max-types-per-name ; + max-zone-ttl ( unlimited | ); + notify ( explicit | master-only | primary-only | ); + notify-delay ; +diff --git a/doc/misc/mirror.zoneopt b/doc/misc/mirror.zoneopt +index 3d45a3d1e5..701edce540 100644 +--- a/doc/misc/mirror.zoneopt ++++ b/doc/misc/mirror.zoneopt +@@ -19,12 +19,14 @@ zone [ ] { + max-ixfr-ratio ( unlimited | ); + max-journal-size ( default | unlimited | ); + max-records ; ++ max-records-per-type ; + max-refresh-time ; + max-retry-time ; + max-transfer-idle-in ; + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + min-refresh-time ; + min-retry-time ; + multi-master ; +diff --git a/doc/misc/options b/doc/misc/options +index 90d07f5a56..ee152b8179 100644 +--- a/doc/misc/options ++++ b/doc/misc/options +@@ -170,13 +170,16 @@ options { + dnssec-secure-to-insecure ; + dnssec-update-mode ( maintain | no-resign ); + dnssec-validation ( yes | no | auto ); +- dnstap { ( all | auth | client | forwarder | resolver | update ) [ +- ( query | response ) ]; ... }; +- dnstap-identity ( | none | hostname ); +- dnstap-output ( file | unix ) [ size ( unlimited | +- ) ] [ versions ( unlimited | ) ] [ suffix ( +- increment | timestamp ) ]; +- dnstap-version ( | none ); ++ dnstap { ( all | auth | client | forwarder | ++ resolver | update ) [ ( query | response ) ]; ++ ... }; // not configured ++ dnstap-identity ( | none | ++ hostname ); // not configured ++ dnstap-output ( file | unix ) [ ++ size ( unlimited | ) ] [ versions ( ++ unlimited | ) ] [ suffix ( increment ++ | timestamp ) ]; // not configured ++ dnstap-version ( | none ); // not configured + dscp ; + dual-stack-servers [ port ] { ( [ port + ] [ dscp ] | [ port +@@ -200,13 +203,13 @@ options { + forward ( first | only ); + forwarders [ port ] [ dscp ] { ( + | ) [ port ] [ dscp ]; ... }; +- fstrm-set-buffer-hint ; +- fstrm-set-flush-timeout ; +- fstrm-set-input-queue-size ; +- fstrm-set-output-notify-threshold ; +- fstrm-set-output-queue-model ( mpsc | spsc ); +- fstrm-set-output-queue-size ; +- fstrm-set-reopen-interval ; ++ fstrm-set-buffer-hint ; // not configured ++ fstrm-set-flush-timeout ; // not configured ++ fstrm-set-input-queue-size ; // not configured ++ fstrm-set-output-notify-threshold ; // not configured ++ fstrm-set-output-queue-model ( mpsc | spsc ); // not configured ++ fstrm-set-output-queue-size ; // not configured ++ fstrm-set-reopen-interval ; // not configured + geoip-directory ( | none ); + geoip-use-ecs ; // obsolete + glue-cache ; +@@ -243,6 +246,7 @@ options { + max-journal-size ( default | unlimited | ); + max-ncache-ttl ; + max-records ; ++ max-records-per-type ; + max-recursion-depth ; + max-recursion-queries ; + max-refresh-time ; +@@ -253,6 +257,7 @@ options { + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-udp-size ; + max-zone-ttl ( unlimited | ); + memstatistics ; +@@ -569,8 +574,9 @@ view [ ] { + dnssec-secure-to-insecure ; + dnssec-update-mode ( maintain | no-resign ); + dnssec-validation ( yes | no | auto ); +- dnstap { ( all | auth | client | forwarder | resolver | update ) [ +- ( query | response ) ]; ... }; ++ dnstap { ( all | auth | client | forwarder | ++ resolver | update ) [ ( query | response ) ]; ++ ... }; // not configured + dual-stack-servers [ port ] { ( [ port + ] [ dscp ] | [ port + ] [ dscp ] | [ port +@@ -622,6 +628,7 @@ view [ ] { + max-journal-size ( default | unlimited | ); + max-ncache-ttl ; + max-records ; ++ max-records-per-type ; + max-recursion-depth ; + max-recursion-queries ; + max-refresh-time ; +@@ -631,6 +638,7 @@ view [ ] { + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-udp-size ; + max-zone-ttl ( unlimited | ); + message-compression ; +@@ -854,12 +862,14 @@ view [ ] { + max-ixfr-ratio ( unlimited | ); + max-journal-size ( default | unlimited | ); + max-records ; ++ max-records-per-type ; + max-refresh-time ; + max-retry-time ; + max-transfer-idle-in ; + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-zone-ttl ( unlimited | ); + min-refresh-time ; + min-retry-time ; +@@ -971,12 +981,14 @@ zone [ ] { + max-ixfr-ratio ( unlimited | ); + max-journal-size ( default | unlimited | ); + max-records ; ++ max-records-per-type ; + max-refresh-time ; + max-retry-time ; + max-transfer-idle-in ; + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-zone-ttl ( unlimited | ); + min-refresh-time ; + min-retry-time ; +diff --git a/doc/misc/options.active b/doc/misc/options.active +index 0229d8da6d..ad4e29a9ba 100644 +--- a/doc/misc/options.active ++++ b/doc/misc/options.active +@@ -156,13 +156,16 @@ options { + dnssec-secure-to-insecure ; + dnssec-update-mode ( maintain | no-resign ); + dnssec-validation ( yes | no | auto ); +- dnstap { ( all | auth | client | forwarder | resolver | update ) [ +- ( query | response ) ]; ... }; +- dnstap-identity ( | none | hostname ); +- dnstap-output ( file | unix ) [ size ( unlimited | +- ) ] [ versions ( unlimited | ) ] [ suffix ( +- increment | timestamp ) ]; +- dnstap-version ( | none ); ++ dnstap { ( all | auth | client | forwarder | ++ resolver | update ) [ ( query | response ) ]; ++ ... }; // not configured ++ dnstap-identity ( | none | ++ hostname ); // not configured ++ dnstap-output ( file | unix ) [ ++ size ( unlimited | ) ] [ versions ( ++ unlimited | ) ] [ suffix ( increment ++ | timestamp ) ]; // not configured ++ dnstap-version ( | none ); // not configured + dscp ; + dual-stack-servers [ port ] { ( [ port + ] [ dscp ] | [ port +@@ -181,13 +184,13 @@ options { + forward ( first | only ); + forwarders [ port ] [ dscp ] { ( + | ) [ port ] [ dscp ]; ... }; +- fstrm-set-buffer-hint ; +- fstrm-set-flush-timeout ; +- fstrm-set-input-queue-size ; +- fstrm-set-output-notify-threshold ; +- fstrm-set-output-queue-model ( mpsc | spsc ); +- fstrm-set-output-queue-size ; +- fstrm-set-reopen-interval ; ++ fstrm-set-buffer-hint ; // not configured ++ fstrm-set-flush-timeout ; // not configured ++ fstrm-set-input-queue-size ; // not configured ++ fstrm-set-output-notify-threshold ; // not configured ++ fstrm-set-output-queue-model ( mpsc | spsc ); // not configured ++ fstrm-set-output-queue-size ; // not configured ++ fstrm-set-reopen-interval ; // not configured + geoip-directory ( | none ); + glue-cache ; + heartbeat-interval ; +@@ -217,6 +220,7 @@ options { + max-journal-size ( default | unlimited | ); + max-ncache-ttl ; + max-records ; ++ max-records-per-type ; + max-recursion-depth ; + max-recursion-queries ; + max-refresh-time ; +@@ -227,6 +231,7 @@ options { + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-udp-size ; + max-zone-ttl ( unlimited | ); + memstatistics ; +@@ -513,8 +518,9 @@ view [ ] { + dnssec-secure-to-insecure ; + dnssec-update-mode ( maintain | no-resign ); + dnssec-validation ( yes | no | auto ); +- dnstap { ( all | auth | client | forwarder | resolver | update ) [ +- ( query | response ) ]; ... }; ++ dnstap { ( all | auth | client | forwarder | ++ resolver | update ) [ ( query | response ) ]; ++ ... }; // not configured + dual-stack-servers [ port ] { ( [ port + ] [ dscp ] | [ port + ] [ dscp ] | [ port +@@ -559,6 +565,7 @@ view [ ] { + max-journal-size ( default | unlimited | ); + max-ncache-ttl ; + max-records ; ++ max-records-per-type ; + max-recursion-depth ; + max-recursion-queries ; + max-refresh-time ; +@@ -568,6 +575,7 @@ view [ ] { + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-udp-size ; + max-zone-ttl ( unlimited | ); + message-compression ; +@@ -774,12 +782,14 @@ view [ ] { + max-ixfr-ratio ( unlimited | ); + max-journal-size ( default | unlimited | ); + max-records ; ++ max-records-per-type ; + max-refresh-time ; + max-retry-time ; + max-transfer-idle-in ; + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-zone-ttl ( unlimited | ); + min-refresh-time ; + min-retry-time ; +@@ -884,12 +894,14 @@ zone [ ] { + max-ixfr-ratio ( unlimited | ); + max-journal-size ( default | unlimited | ); + max-records ; ++ max-records-per-type ; + max-refresh-time ; + max-retry-time ; + max-transfer-idle-in ; + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + max-zone-ttl ( unlimited | ); + min-refresh-time ; + min-retry-time ; +diff --git a/doc/misc/redirect.zoneopt b/doc/misc/redirect.zoneopt +index 6a5ef660a2..c4ab59ddad 100644 +--- a/doc/misc/redirect.zoneopt ++++ b/doc/misc/redirect.zoneopt +@@ -8,6 +8,8 @@ zone [ ] { + masterfile-style ( full | relative ); + masters [ port ] [ dscp ] { ( | [ port ] | [ port ] ) [ key ]; ... }; + max-records ; ++ max-records-per-type ; ++ max-types-per-name ; + max-zone-ttl ( unlimited | ); + primaries [ port ] [ dscp ] { ( | [ port ] | [ port ] ) [ key ]; ... }; + zone-statistics ( full | terse | none | ); +diff --git a/doc/misc/slave.zoneopt b/doc/misc/slave.zoneopt +index 8cb7c3143f..ccd88e5c15 100644 +--- a/doc/misc/slave.zoneopt ++++ b/doc/misc/slave.zoneopt +@@ -31,12 +31,14 @@ zone [ ] { + max-ixfr-ratio ( unlimited | ); + max-journal-size ( default | unlimited | ); + max-records ; ++ max-records-per-type ; + max-refresh-time ; + max-retry-time ; + max-transfer-idle-in ; + max-transfer-idle-out ; + max-transfer-time-in ; + max-transfer-time-out ; ++ max-types-per-name ; + min-refresh-time ; + min-retry-time ; + multi-master ; +diff --git a/doc/misc/static-stub.zoneopt b/doc/misc/static-stub.zoneopt +index f89d46248a..102b980c7a 100644 +--- a/doc/misc/static-stub.zoneopt ++++ b/doc/misc/static-stub.zoneopt +@@ -5,6 +5,8 @@ zone [ ] { + forward ( first | only ); + forwarders [ port ] [ dscp ] { ( | ) [ port ] [ dscp ]; ... }; + max-records ; ++ max-records-per-type ; ++ max-types-per-name ; + server-addresses { ( | ); ... }; + server-names { ; ... }; + zone-statistics ( full | terse | none | ); +diff --git a/doc/misc/stub.zoneopt b/doc/misc/stub.zoneopt +index 2db604dae6..ca4bf1ce39 100644 +--- a/doc/misc/stub.zoneopt ++++ b/doc/misc/stub.zoneopt +@@ -13,10 +13,12 @@ zone [ ] { + masterfile-style ( full | relative ); + masters [ port ] [ dscp ] { ( | [ port ] | [ port ] ) [ key ]; ... }; + max-records ; ++ max-records-per-type ; + max-refresh-time ; + max-retry-time ; + max-transfer-idle-in ; + max-transfer-time-in ; ++ max-types-per-name ; + min-refresh-time ; + min-retry-time ; + multi-master ; +diff --git a/lib/dns/cache.c b/lib/dns/cache.c +index ae173b86ab..9f0412dbe7 100644 +--- a/lib/dns/cache.c ++++ b/lib/dns/cache.c +@@ -148,6 +148,8 @@ struct dns_cache { + /* Locked by 'filelock'. */ + char *filename; + /* Access to the on-disk cache file is also locked by 'filelock'. */ ++ ++ uint32_t maxrrperset; + }; + + /*** +@@ -175,6 +177,7 @@ cache_create_db(dns_cache_t *cache, dns_db_t **db) { + cache->db_argv, db); + if (result == ISC_R_SUCCESS) { + dns_db_setservestalettl(*db, cache->serve_stale_ttl); ++ dns_db_setmaxrrperset(*db, cache->maxrrperset); + } + return (result); + } +@@ -1277,6 +1280,16 @@ dns_cache_updatestats(dns_cache_t *cache, isc_result_t result) { + } + } + ++void ++dns_cache_setmaxrrperset(dns_cache_t *cache, uint32_t value) { ++ REQUIRE(VALID_CACHE(cache)); ++ ++ cache->maxrrperset = value; ++ if (cache->db != NULL) { ++ dns_db_setmaxrrperset(cache->db, value); ++ } ++} ++ + /* + * XXX: Much of the following code has been copied in from statschannel.c. + * We should refactor this into a generic function in stats.c that can be +diff --git a/lib/dns/db.c b/lib/dns/db.c +index ec537486cb..8439265a7f 100644 +--- a/lib/dns/db.c ++++ b/lib/dns/db.c +@@ -1122,3 +1122,12 @@ dns_db_setgluecachestats(dns_db_t *db, isc_stats_t *stats) { + + return (ISC_R_NOTIMPLEMENTED); + } ++ ++void ++dns_db_setmaxrrperset(dns_db_t *db, uint32_t value) { ++ REQUIRE(DNS_DB_VALID(db)); ++ ++ if (db->methods->setmaxrrperset != NULL) { ++ (db->methods->setmaxrrperset)(db, value); ++ } ++} +diff --git a/lib/dns/dnsrps.c b/lib/dns/dnsrps.c +index 0f2ffb5f35..539090d1bd 100644 +--- a/lib/dns/dnsrps.c ++++ b/lib/dns/dnsrps.c +@@ -970,7 +970,8 @@ static dns_dbmethods_t rpsdb_db_methods = { + NULL, /* setservestalerefresh */ + NULL, /* getservestalerefresh */ + NULL, /* setgluecachestats */ +- NULL /* adjusthashsize */ ++ NULL, /* adjusthashsize */ ++ NULL /* setmaxrrperset */ + }; + + static dns_rdatasetmethods_t rpsdb_rdataset_methods = { +diff --git a/lib/dns/ecdb.c b/lib/dns/ecdb.c +index 1d9343361d..bab5da5503 100644 +--- a/lib/dns/ecdb.c ++++ b/lib/dns/ecdb.c +@@ -426,7 +426,7 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, + } + + result = dns_rdataslab_fromrdataset(rdataset, mctx, &r, +- sizeof(rdatasetheader_t)); ++ sizeof(rdatasetheader_t), 0); + if (result != ISC_R_SUCCESS) { + goto unlock; + } +@@ -556,7 +556,11 @@ static dns_dbmethods_t ecdb_methods = { + NULL, /* getsize */ + NULL, /* setservestalettl */ + NULL, /* getservestalettl */ +- NULL /* setgluecachestats */ ++ NULL, /* setservestalerefresh */ ++ NULL, /* getservestalerefresh */ ++ NULL, /* setgluecachestats */ ++ NULL, /* adjusthashsize */ ++ NULL /* setmaxrrperset */ + }; + + static isc_result_t +diff --git a/lib/dns/include/dns/cache.h b/lib/dns/include/dns/cache.h +index 22e94da9d5..3fa2a891e0 100644 +--- a/lib/dns/include/dns/cache.h ++++ b/lib/dns/include/dns/cache.h +@@ -337,6 +337,12 @@ dns_cache_updatestats(dns_cache_t *cache, isc_result_t result); + * Update cache statistics based on result code in 'result' + */ + ++void ++dns_cache_setmaxrrperset(dns_cache_t *cache, uint32_t value); ++/*%< ++ * Set the maximum resource records per RRSet that can be cached. ++ */ ++ + #ifdef HAVE_LIBXML2 + int + dns_cache_renderxml(dns_cache_t *cache, void *writer0); +diff --git a/lib/dns/include/dns/db.h b/lib/dns/include/dns/db.h +index 90bd7fb112..732bfe473d 100644 +--- a/lib/dns/include/dns/db.h ++++ b/lib/dns/include/dns/db.h +@@ -182,6 +182,7 @@ typedef struct dns_dbmethods { + isc_result_t (*getservestalerefresh)(dns_db_t *db, uint32_t *interval); + isc_result_t (*setgluecachestats)(dns_db_t *db, isc_stats_t *stats); + isc_result_t (*adjusthashsize)(dns_db_t *db, size_t size); ++ void (*setmaxrrperset)(dns_db_t *db, uint32_t value); + } dns_dbmethods_t; + + typedef isc_result_t (*dns_dbcreatefunc_t)(isc_mem_t *mctx, +@@ -1783,6 +1784,13 @@ dns_db_setgluecachestats(dns_db_t *db, isc_stats_t *stats); + * dns_rdatasetstats_create(); otherwise NULL. + */ + ++void ++dns_db_setmaxrrperset(dns_db_t *db, uint32_t value); ++/*%< ++ * Set the maximum permissible number of RRs per RRset. If 'value' ++ * is nonzero, then any subsequent attempt to add an rdataset with ++ * more than 'value' RRs will return ISC_R_NOSPACE. ++ */ + ISC_LANG_ENDDECLS + + #endif /* DNS_DB_H */ +diff --git a/lib/dns/include/dns/rdataslab.h b/lib/dns/include/dns/rdataslab.h +index 5a22f099c3..f2f3513a19 100644 +--- a/lib/dns/include/dns/rdataslab.h ++++ b/lib/dns/include/dns/rdataslab.h +@@ -65,7 +65,8 @@ ISC_LANG_BEGINDECLS + + isc_result_t + dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx, +- isc_region_t *region, unsigned int reservelen); ++ isc_region_t *region, unsigned int reservelen, ++ uint32_t limit); + /*%< + * Slabify a rdataset. The slab area will be allocated and returned + * in 'region'. +@@ -121,7 +122,8 @@ isc_result_t + dns_rdataslab_merge(unsigned char *oslab, unsigned char *nslab, + unsigned int reservelen, isc_mem_t *mctx, + dns_rdataclass_t rdclass, dns_rdatatype_t type, +- unsigned int flags, unsigned char **tslabp); ++ unsigned int flags, uint32_t maxrrperset, ++ unsigned char **tslabp); + /*%< + * Merge 'oslab' and 'nslab'. + */ +diff --git a/lib/dns/include/dns/view.h b/lib/dns/include/dns/view.h +index 2cf7eced16..0d502f4dd2 100644 +--- a/lib/dns/include/dns/view.h ++++ b/lib/dns/include/dns/view.h +@@ -186,6 +186,7 @@ struct dns_view { + dns_dlzdblist_t dlz_unsearched; + uint32_t fail_ttl; + dns_badcache_t *failcache; ++ uint32_t maxrrperset; + + /* + * Configurable data for server use only, +@@ -1339,6 +1340,12 @@ dns_view_staleanswerenabled(dns_view_t *view); + *\li 'view' to be valid. + */ + ++void ++dns_view_setmaxrrperset(dns_view_t *view, uint32_t value); ++/*%< ++ * Set the maximum resource records per RRSet that can be cached. ++ */ ++ + ISC_LANG_ENDDECLS + + #endif /* DNS_VIEW_H */ +diff --git a/lib/dns/include/dns/zone.h b/lib/dns/include/dns/zone.h +index 08e2263c5b..e902043357 100644 +--- a/lib/dns/include/dns/zone.h ++++ b/lib/dns/include/dns/zone.h +@@ -162,6 +162,19 @@ dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx); + *\li #ISC_R_UNEXPECTED + */ + ++isc_result_t ++dns_zone_makedb(dns_zone_t *zone, dns_db_t **dbp); ++/*%< ++ * Creates a new empty database for the 'zone'. ++ * ++ * Requires: ++ *\li 'zone' to be a valid zone. ++ *\li 'dbp' to point to NULL pointer. ++ * ++ * Returns: ++ *\li dns_db_create() error codes. ++ */ ++ + void + dns_zone_setclass(dns_zone_t *zone, dns_rdataclass_t rdclass); + /*%< +@@ -330,6 +343,19 @@ dns_zone_getmaxrecords(dns_zone_t *zone); + *\li uint32_t maxrecords. + */ + ++void ++dns_zone_setmaxrrperset(dns_zone_t *zone, uint32_t maxrrperset); ++/*%< ++ * Sets the maximum number of records per rrset permitted in a zone. ++ * 0 implies unlimited. ++ * ++ * Requires: ++ *\li 'zone' to be valid initialised zone. ++ * ++ * Returns: ++ *\li void ++ */ ++ + void + dns_zone_setmaxttl(dns_zone_t *zone, uint32_t maxttl); + /*%< +diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c +index e840c0665d..ca71bb9c03 100644 +--- a/lib/dns/rbtdb.c ++++ b/lib/dns/rbtdb.c +@@ -482,6 +482,7 @@ struct dns_rbtdb { + rbtdb_serial_t current_serial; + rbtdb_serial_t least_serial; + rbtdb_serial_t next_serial; ++ uint32_t maxrrperset; + rbtdb_version_t *current_version; + rbtdb_version_t *future_version; + rbtdb_versionlist_t open_versions; +@@ -6495,7 +6496,7 @@ find_header: + rbtdb->common.mctx, + rbtdb->common.rdclass, + (dns_rdatatype_t)header->type, flags, +- &merged); ++ rbtdb->maxrrperset, &merged); + } + if (result == ISC_R_SUCCESS) { + /* +@@ -6880,7 +6881,7 @@ delegating_type(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node, + + static inline isc_result_t + addnoqname(dns_rbtdb_t *rbtdb, rdatasetheader_t *newheader, +- dns_rdataset_t *rdataset) { ++ uint32_t maxrrperset, dns_rdataset_t *rdataset) { + struct noqname *noqname; + isc_mem_t *mctx = rbtdb->common.mctx; + dns_name_t name; +@@ -6901,12 +6902,12 @@ addnoqname(dns_rbtdb_t *rbtdb, rdatasetheader_t *newheader, + noqname->negsig = NULL; + noqname->type = neg.type; + dns_name_dup(&name, mctx, &noqname->name); +- result = dns_rdataslab_fromrdataset(&neg, mctx, &r, 0); ++ result = dns_rdataslab_fromrdataset(&neg, mctx, &r, 0, maxrrperset); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + noqname->neg = r.base; +- result = dns_rdataslab_fromrdataset(&negsig, mctx, &r, 0); ++ result = dns_rdataslab_fromrdataset(&negsig, mctx, &r, 0, maxrrperset); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } +@@ -6925,7 +6926,7 @@ cleanup: + + static inline isc_result_t + addclosest(dns_rbtdb_t *rbtdb, rdatasetheader_t *newheader, +- dns_rdataset_t *rdataset) { ++ uint32_t maxrrperset, dns_rdataset_t *rdataset) { + struct noqname *closest; + isc_mem_t *mctx = rbtdb->common.mctx; + dns_name_t name; +@@ -6946,12 +6947,12 @@ addclosest(dns_rbtdb_t *rbtdb, rdatasetheader_t *newheader, + closest->negsig = NULL; + closest->type = neg.type; + dns_name_dup(&name, mctx, &closest->name); +- result = dns_rdataslab_fromrdataset(&neg, mctx, &r, 0); ++ result = dns_rdataslab_fromrdataset(&neg, mctx, &r, 0, maxrrperset); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + closest->neg = r.base; +- result = dns_rdataslab_fromrdataset(&negsig, mctx, &r, 0); ++ result = dns_rdataslab_fromrdataset(&negsig, mctx, &r, 0, maxrrperset); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } +@@ -7028,7 +7029,8 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, + } + + result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, +- ®ion, sizeof(rdatasetheader_t)); ++ ®ion, sizeof(rdatasetheader_t), ++ rbtdb->maxrrperset); + if (result != ISC_R_SUCCESS) { + return (result); + } +@@ -7086,7 +7088,8 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, + RDATASET_ATTR_SET(newheader, RDATASET_ATTR_OPTOUT); + } + if ((rdataset->attributes & DNS_RDATASETATTR_NOQNAME) != 0) { +- result = addnoqname(rbtdb, newheader, rdataset); ++ result = addnoqname(rbtdb, newheader, ++ rbtdb->maxrrperset, rdataset); + if (result != ISC_R_SUCCESS) { + free_rdataset(rbtdb, rbtdb->common.mctx, + newheader); +@@ -7094,7 +7097,8 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, + } + } + if ((rdataset->attributes & DNS_RDATASETATTR_CLOSEST) != 0) { +- result = addclosest(rbtdb, newheader, rdataset); ++ result = addclosest(rbtdb, newheader, ++ rbtdb->maxrrperset, rdataset); + if (result != ISC_R_SUCCESS) { + free_rdataset(rbtdb, rbtdb->common.mctx, + newheader); +@@ -7261,7 +7265,8 @@ subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, + nodefullname(db, node, nodename); + + result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, +- ®ion, sizeof(rdatasetheader_t)); ++ ®ion, sizeof(rdatasetheader_t), ++ 0); + if (result != ISC_R_SUCCESS) { + return (result); + } +@@ -7669,7 +7674,8 @@ loading_addrdataset(void *arg, const dns_name_t *name, + } + + result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, +- ®ion, sizeof(rdatasetheader_t)); ++ ®ion, sizeof(rdatasetheader_t), ++ rbtdb->maxrrperset); + if (result != ISC_R_SUCCESS) { + return (result); + } +@@ -8608,6 +8614,15 @@ setgluecachestats(dns_db_t *db, isc_stats_t *stats) { + return (ISC_R_SUCCESS); + } + ++static void ++setmaxrrperset(dns_db_t *db, uint32_t maxrrperset) { ++ dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; ++ ++ REQUIRE(VALID_RBTDB(rbtdb)); ++ ++ rbtdb->maxrrperset = maxrrperset; ++} ++ + static dns_stats_t * + getrrsetstats(dns_db_t *db) { + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; +@@ -8731,7 +8746,8 @@ static dns_dbmethods_t zone_methods = { attach, + NULL, /* setservestalerefresh */ + NULL, /* getservestalerefresh */ + setgluecachestats, +- adjusthashsize }; ++ adjusthashsize, ++ setmaxrrperset }; + + static dns_dbmethods_t cache_methods = { attach, + detach, +@@ -8783,7 +8799,8 @@ static dns_dbmethods_t cache_methods = { attach, + setservestalerefresh, + getservestalerefresh, + NULL, +- adjusthashsize }; ++ adjusthashsize, ++ setmaxrrperset }; + + isc_result_t + dns_rbtdb_create(isc_mem_t *mctx, const dns_name_t *origin, dns_dbtype_t type, +diff --git a/lib/dns/rdataslab.c b/lib/dns/rdataslab.c +index dda903819a..b2d1e1cddb 100644 +--- a/lib/dns/rdataslab.c ++++ b/lib/dns/rdataslab.c +@@ -116,7 +116,8 @@ fillin_offsets(unsigned char *offsetbase, unsigned int *offsettable, + + isc_result_t + dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx, +- isc_region_t *region, unsigned int reservelen) { ++ isc_region_t *region, unsigned int reservelen, ++ uint32_t maxrrperset) { + /* + * Use &removed as a sentinel pointer for duplicate + * rdata as rdata.data == NULL is valid. +@@ -158,7 +159,7 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx, + return (ISC_R_SUCCESS); + } + +- if (nitems > DNS_RDATASET_MAX_RECORDS) { ++ if (maxrrperset > 0 && nitems > maxrrperset) { + return (DNS_R_TOOMANYRECORDS); + } + +@@ -488,7 +489,8 @@ isc_result_t + dns_rdataslab_merge(unsigned char *oslab, unsigned char *nslab, + unsigned int reservelen, isc_mem_t *mctx, + dns_rdataclass_t rdclass, dns_rdatatype_t type, +- unsigned int flags, unsigned char **tslabp) { ++ unsigned int flags, uint32_t maxrrperset, ++ unsigned char **tslabp) { + unsigned char *ocurrent, *ostart, *ncurrent, *tstart, *tcurrent, *data; + unsigned int ocount, ncount, count, olength, tlength, tcount, length; + dns_rdata_t ordata = DNS_RDATA_INIT; +@@ -528,7 +530,7 @@ dns_rdataslab_merge(unsigned char *oslab, unsigned char *nslab, + #endif /* if DNS_RDATASET_FIXED */ + INSIST(ocount > 0 && ncount > 0); + +- if (ocount + ncount > DNS_RDATASET_MAX_RECORDS) { ++ if (maxrrperset > 0 && ocount + ncount > maxrrperset) { + return (DNS_R_TOOMANYRECORDS); + } + +diff --git a/lib/dns/sdb.c b/lib/dns/sdb.c +index d9de422409..84cd324fb4 100644 +--- a/lib/dns/sdb.c ++++ b/lib/dns/sdb.c +@@ -1312,7 +1312,8 @@ static dns_dbmethods_t sdb_methods = { + NULL, /* setservestalerefresh */ + NULL, /* getservestalerefresh */ + NULL, /* setgluecachestats */ +- NULL /* adjusthashsize */ ++ NULL, /* adjusthashsize */ ++ NULL /* setmaxrrperset */ + }; + + static isc_result_t +diff --git a/lib/dns/sdlz.c b/lib/dns/sdlz.c +index c8a615a0f3..60a1d23b3b 100644 +--- a/lib/dns/sdlz.c ++++ b/lib/dns/sdlz.c +@@ -1284,7 +1284,8 @@ static dns_dbmethods_t sdlzdb_methods = { + NULL, /* setservestalerefresh */ + NULL, /* getservestalerefresh */ + NULL, /* setgluecachestats */ +- NULL /* adjusthashsize */ ++ NULL, /* adjusthashsize */ ++ NULL /* setmaxrrperset */ + }; + + /* +diff --git a/lib/dns/view.c b/lib/dns/view.c +index dcb0f1804e..a672aa8bc8 100644 +--- a/lib/dns/view.c ++++ b/lib/dns/view.c +@@ -869,6 +869,8 @@ dns_view_setcache(dns_view_t *view, dns_cache_t *cache, bool shared) { + dns_cache_attach(cache, &view->cache); + dns_cache_attachdb(cache, &view->cachedb); + INSIST(DNS_DB_VALID(view->cachedb)); ++ ++ dns_cache_setmaxrrperset(view->cache, view->maxrrperset); + } + + bool +@@ -2544,3 +2546,12 @@ dns_view_staleanswerenabled(dns_view_t *view) { + + return (result); + } ++ ++void ++dns_view_setmaxrrperset(dns_view_t *view, uint32_t value) { ++ REQUIRE(DNS_VIEW_VALID(view)); ++ view->maxrrperset = value; ++ if (view->cache != NULL) { ++ dns_cache_setmaxrrperset(view->cache, value); ++ } ++} +diff --git a/lib/dns/xfrin.c b/lib/dns/xfrin.c +index a4569f545c..c61e8f5f6b 100644 +--- a/lib/dns/xfrin.c ++++ b/lib/dns/xfrin.c +@@ -203,8 +203,6 @@ xfrin_create(isc_mem_t *mctx, dns_zone_t *zone, dns_db_t *db, isc_task_t *task, + static isc_result_t + axfr_init(dns_xfrin_ctx_t *xfr); + static isc_result_t +-axfr_makedb(dns_xfrin_ctx_t *xfr, dns_db_t **dbp); +-static isc_result_t + axfr_putdata(dns_xfrin_ctx_t *xfr, dns_diffop_t op, dns_name_t *name, + dns_ttl_t ttl, dns_rdata_t *rdata); + static isc_result_t +@@ -277,7 +275,11 @@ axfr_init(dns_xfrin_ctx_t *xfr) { + dns_db_detach(&xfr->db); + } + +- CHECK(axfr_makedb(xfr, &xfr->db)); ++ CHECK(dns_zone_makedb(xfr->zone, &xfr->db)); ++ ++ dns_zone_rpz_enable_db(xfr->zone, xfr->db); ++ dns_zone_catz_enable_db(xfr->zone, xfr->db); ++ + dns_rdatacallbacks_init(&xfr->axfr); + CHECK(dns_db_beginload(xfr->db, &xfr->axfr)); + result = ISC_R_SUCCESS; +@@ -285,22 +287,6 @@ failure: + return (result); + } + +-static isc_result_t +-axfr_makedb(dns_xfrin_ctx_t *xfr, dns_db_t **dbp) { +- isc_result_t result; +- +- result = dns_db_create(xfr->mctx, /* XXX */ +- "rbt", /* XXX guess */ +- &xfr->name, dns_dbtype_zone, xfr->rdclass, 0, +- NULL, /* XXX guess */ +- dbp); +- if (result == ISC_R_SUCCESS) { +- dns_zone_rpz_enable_db(xfr->zone, *dbp); +- dns_zone_catz_enable_db(xfr->zone, *dbp); +- } +- return (result); +-} +- + static isc_result_t + axfr_putdata(dns_xfrin_ctx_t *xfr, dns_diffop_t op, dns_name_t *name, + dns_ttl_t ttl, dns_rdata_t *rdata) { +diff --git a/lib/dns/zone.c b/lib/dns/zone.c +index 65a3aacab7..5c8d97ed18 100644 +--- a/lib/dns/zone.c ++++ b/lib/dns/zone.c +@@ -276,6 +276,7 @@ struct dns_zone { + uint32_t minretry; + + uint32_t maxrecords; ++ uint32_t maxrrperset; + + isc_sockaddr_t *masters; + isc_dscp_t *masterdscps; +@@ -2254,31 +2255,13 @@ zone_load(dns_zone_t *zone, unsigned int flags, bool locked) { + dns_zone_logc(zone, DNS_LOGCATEGORY_ZONELOAD, ISC_LOG_DEBUG(1), + "starting load"); + +- result = dns_db_create(zone->mctx, zone->db_argv[0], &zone->origin, +- (zone->type == dns_zone_stub) ? dns_dbtype_stub +- : dns_dbtype_zone, +- zone->rdclass, zone->db_argc - 1, +- zone->db_argv + 1, &db); +- ++ result = dns_zone_makedb(zone, &db); + if (result != ISC_R_SUCCESS) { + dns_zone_logc(zone, DNS_LOGCATEGORY_ZONELOAD, ISC_LOG_ERROR, + "loading zone: creating database: %s", + isc_result_totext(result)); + goto cleanup; + } +- dns_db_settask(db, zone->task); +- +- if (zone->type == dns_zone_primary || +- zone->type == dns_zone_secondary || zone->type == dns_zone_mirror) +- { +- result = dns_db_setgluecachestats(db, zone->gluecachestats); +- if (result == ISC_R_NOTIMPLEMENTED) { +- result = ISC_R_SUCCESS; +- } +- if (result != ISC_R_SUCCESS) { +- goto cleanup; +- } +- } + + if (!dns_db_ispersistent(db)) { + if (zone->masterfile != NULL) { +@@ -12175,6 +12158,16 @@ dns_zone_setmaxrecords(dns_zone_t *zone, uint32_t val) { + zone->maxrecords = val; + } + ++void ++dns_zone_setmaxrrperset(dns_zone_t *zone, uint32_t val) { ++ REQUIRE(DNS_ZONE_VALID(zone)); ++ ++ zone->maxrrperset = val; ++ if (zone->db != NULL) { ++ dns_db_setmaxrrperset(zone->db, val); ++ } ++} ++ + static bool + notify_isqueued(dns_zone_t *zone, unsigned int flags, dns_name_t *name, + isc_sockaddr_t *addr, dns_tsigkey_t *key) { +@@ -14579,6 +14572,7 @@ ns_query(dns_zone_t *zone, dns_rdataset_t *soardataset, dns_stub_t *stub) { + goto cleanup; + } + dns_db_settask(stub->db, zone->task); ++ dns_db_setmaxrrperset(stub->db, zone->maxrrperset); + } + + result = dns_db_newversion(stub->db, &stub->version); +@@ -17300,6 +17294,7 @@ zone_replacedb(dns_zone_t *zone, dns_db_t *db, bool dump) { + } + zone_attachdb(zone, db); + dns_db_settask(zone->db, zone->task); ++ dns_db_setmaxrrperset(zone->db, zone->maxrrperset); + DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_LOADED | DNS_ZONEFLG_NEEDNOTIFY); + return (ISC_R_SUCCESS); + +@@ -23413,3 +23408,44 @@ zone_nsecttl(dns_zone_t *zone) { + + return (ISC_MIN(zone->minimum, zone->soattl)); + } ++ ++isc_result_t ++dns_zone_makedb(dns_zone_t *zone, dns_db_t **dbp) { ++ REQUIRE(DNS_ZONE_VALID(zone)); ++ REQUIRE(dbp != NULL && *dbp == NULL); ++ ++ dns_db_t *db = NULL; ++ ++ isc_result_t result = dns_db_create( ++ zone->mctx, zone->db_argv[0], &zone->origin, ++ (zone->type == dns_zone_stub) ? dns_dbtype_stub ++ : dns_dbtype_zone, ++ zone->rdclass, zone->db_argc - 1, zone->db_argv + 1, &db); ++ if (result != ISC_R_SUCCESS) { ++ return (result); ++ } ++ ++ switch (zone->type) { ++ case dns_zone_primary: ++ case dns_zone_secondary: ++ case dns_zone_mirror: ++ result = dns_db_setgluecachestats(db, zone->gluecachestats); ++ if (result == ISC_R_NOTIMPLEMENTED) { ++ result = ISC_R_SUCCESS; ++ } ++ if (result != ISC_R_SUCCESS) { ++ dns_db_detach(&db); ++ return (result); ++ } ++ break; ++ default: ++ break; ++ } ++ ++ dns_db_settask(db, zone->task); ++ dns_db_setmaxrrperset(db, zone->maxrrperset); ++ ++ *dbp = db; ++ ++ return (ISC_R_SUCCESS); ++} +diff --git a/lib/isccfg/namedconf.c b/lib/isccfg/namedconf.c +index aab0462936..dce30537dd 100644 +--- a/lib/isccfg/namedconf.c ++++ b/lib/isccfg/namedconf.c +@@ -2236,6 +2236,9 @@ static cfg_clausedef_t zone_clauses[] = { + { "max-records", &cfg_type_uint32, + CFG_ZONE_PRIMARY | CFG_ZONE_SECONDARY | CFG_ZONE_MIRROR | + CFG_ZONE_STUB | CFG_ZONE_STATICSTUB | CFG_ZONE_REDIRECT }, ++ { "max-records-per-type", &cfg_type_uint32, ++ CFG_ZONE_PRIMARY | CFG_ZONE_SECONDARY | CFG_ZONE_MIRROR | ++ CFG_ZONE_STUB | CFG_ZONE_STATICSTUB | CFG_ZONE_REDIRECT }, + { "max-refresh-time", &cfg_type_uint32, + CFG_ZONE_SECONDARY | CFG_ZONE_MIRROR | CFG_ZONE_STUB }, + { "max-retry-time", &cfg_type_uint32, +-- +2.45.2 + diff --git a/bind-9.16-CVE-2024-1737-runtime-env.patch b/bind-9.16-CVE-2024-1737-runtime-env.patch deleted file mode 100644 index 11956a1..0000000 --- a/bind-9.16-CVE-2024-1737-runtime-env.patch +++ /dev/null @@ -1,133 +0,0 @@ -From f88517c844075f57f631dc3aac527145f21e038f Mon Sep 17 00:00:00 2001 -From: Petr Mensik -Date: Mon, 29 Jul 2024 16:20:50 +0200 -Subject: [PATCH] Allow global runtime definition by DNS_RBTDB_MAX_RTYPES - -Modify rbtdb to not set it only at runtime, but allow setting that also -in runtime via environment variable. It is still possible to modify -default during the build define. In addition to it allows runtime change -also. Can be positive number to set limit, 0 disabled the check. - -Similarly add also DNS_RDATASET_MAX_RECORDS to set maximum number of -records for a single name. This must be positive number, 0 is no accepted. - -These replaces max-records-per-type and max-types-per-name in later -versions. But can be configured only by environment and can be -configured only globally, not in each view or zone. ---- - lib/dns/rbtdb.c | 21 +++++++++++++++++++-- - lib/dns/rdataslab.c | 24 ++++++++++++++++++++++-- - 2 files changed, 41 insertions(+), 4 deletions(-) - -diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c -index e840c06..25242b2 100644 ---- a/lib/dns/rbtdb.c -+++ b/lib/dns/rbtdb.c -@@ -6225,15 +6225,29 @@ update_recordsandxfrsize(bool add, rbtdb_version_t *rbtversion, - #define DNS_RBTDB_MAX_RTYPES 100 - #endif /* DNS_RBTDB_MAX_RTYPES */ - -+static uint32_t dns_g_rbtdb_max_rtypes = DNS_RBTDB_MAX_RTYPES; -+ -+static void -+init_max_rtypes(void) { -+ /* Red Hat change, allow setting different max value by environment. */ -+ const char *max = getenv("DNS_RBTDB_MAX_RTYPES"); -+ if (max) { -+ char *endp = NULL; -+ long l = strtol(max, &endp, 10); -+ if (max != endp && endp && !*endp && l >= 0) -+ dns_g_rbtdb_max_rtypes = l; -+ } -+} -+ - static bool - overmaxtype(dns_rbtdb_t *rbtdb, uint32_t ntypes) { - UNUSED(rbtdb); - -- if (DNS_RBTDB_MAX_RTYPES == 0) { -+ if (dns_g_rbtdb_max_rtypes == 0) { - return (false); - } - -- return (ntypes >= DNS_RBTDB_MAX_RTYPES); -+ return (ntypes >= dns_g_rbtdb_max_rtypes); - } - - static bool -@@ -8785,6 +8799,8 @@ static dns_dbmethods_t cache_methods = { attach, - NULL, - adjusthashsize }; - -+static isc_once_t once_db = ISC_ONCE_INIT; -+ - isc_result_t - dns_rbtdb_create(isc_mem_t *mctx, const dns_name_t *origin, dns_dbtype_t type, - dns_rdataclass_t rdclass, unsigned int argc, char *argv[], -@@ -8798,6 +8814,7 @@ dns_rbtdb_create(isc_mem_t *mctx, const dns_name_t *origin, dns_dbtype_t type, - - /* Keep the compiler happy. */ - UNUSED(driverarg); -+ RUNTIME_CHECK(isc_once_do(&once_db, init_max_rtypes) == ISC_R_SUCCESS); - - rbtdb = isc_mem_get(mctx, sizeof(*rbtdb)); - -diff --git a/lib/dns/rdataslab.c b/lib/dns/rdataslab.c -index dda9038..cef86af 100644 ---- a/lib/dns/rdataslab.c -+++ b/lib/dns/rdataslab.c -@@ -15,6 +15,7 @@ - #include - - #include -+#include - #include - #include /* Required for HP/UX (and others?) */ - #include -@@ -114,6 +115,23 @@ fillin_offsets(unsigned char *offsetbase, unsigned int *offsettable, - #define DNS_RDATASET_MAX_RECORDS 100 - #endif /* DNS_RDATASET_MAX_RECORDS */ - -+static unsigned int dns_g_rdataset_max_records = DNS_RDATASET_MAX_RECORDS; -+static isc_once_t once = ISC_ONCE_INIT; -+ -+static void -+init_max_records(void) { -+ /* Red Hat change, allow setting different max value by environment. */ -+ const char *max = getenv("DNS_RDATASET_MAX_RECORDS"); -+ if (max) { -+ char *endp = NULL; -+ long l = strtol(max, &endp, 10); -+ if (max != endp && endp && !*endp && l > 0) -+ dns_g_rdataset_max_records = l; -+ } -+} -+ -+ -+ - isc_result_t - dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx, - isc_region_t *region, unsigned int reservelen) { -@@ -158,7 +176,9 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx, - return (ISC_R_SUCCESS); - } - -- if (nitems > DNS_RDATASET_MAX_RECORDS) { -+ RUNTIME_CHECK(isc_once_do(&once, init_max_records) == ISC_R_SUCCESS); -+ -+ if (nitems > dns_g_rdataset_max_records) { - return (DNS_R_TOOMANYRECORDS); - } - -@@ -528,7 +548,7 @@ dns_rdataslab_merge(unsigned char *oslab, unsigned char *nslab, - #endif /* if DNS_RDATASET_FIXED */ - INSIST(ocount > 0 && ncount > 0); - -- if (ocount + ncount > DNS_RDATASET_MAX_RECORDS) { -+ if (ocount + ncount > dns_g_rdataset_max_records) { - return (DNS_R_TOOMANYRECORDS); - } - --- -2.45.2 - diff --git a/bind.spec b/bind.spec index 58b1962..e1ef3d9 100644 --- a/bind.spec +++ b/bind.spec @@ -51,7 +51,7 @@ Summary: The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv Name: bind License: MPLv2.0 Version: 9.16.23 -Release: 22%{?dist} +Release: 23%{?dist} Epoch: 32 Url: https://www.isc.org/downloads/bind/ # @@ -163,8 +163,9 @@ Patch206: bind-9.16-CVE-2024-1975.patch Patch207: bind-9.16-CVE-2024-1737.patch # https://gitlab.isc.org/isc-projects/bind9/commit/a61be8eef0ee0ca8fd8036ccb61c6f9b728158ce Patch208: bind-9.18-CVE-2024-4076.patch -# RH downstream, allow changing by environment -Patch209: bind-9.16-CVE-2024-1737-runtime-env.patch +# https://gitlab.isc.org/isc-projects/bind9/commit/2f2f0a900b9baf5e6eba02a82e2fe9e967dc1760 +Patch210: bind-9.16-CVE-2024-1737-records.patch +Patch211: bind-9.16-CVE-2024-1737-records-test.patch %{?systemd_ordering} Requires: coreutils @@ -505,7 +506,8 @@ in HTML and PDF format. %patch206 -p1 -b .CVE-2024-1975 %patch207 -p1 -b .CVE-2024-1737 %patch208 -p1 -b .CVE-2024-4076 -%patch209 -p1 -b .CVE-2024-1737-env +%patch210 -p1 -b .CVE-2024-1737-records +%patch211 -p1 -b .CVE-2024-1737-records-test %if %{with PKCS11} %patch135 -p1 -b .config-pkcs11 @@ -1234,6 +1236,9 @@ fi; %endif %changelog +* Wed Aug 07 2024 Petr Menšík - 32:9.16.23-23 +- Backport addition of max-records-per-type and max-records-per-type options + * Thu Jul 18 2024 Petr Menšík - 32:9.16.23-22 - Resolve CVE-2024-1975 - Resolve CVE-2024-1737