bind/backport-0002-Add-a-regression-test.patch

From c243daf8395bf8406f6697dde5ba62a25d188a1b Mon Sep 17 00:00:00 2001
From: Evan Hunt <each@isc.org>
Date: Mon, 11 Oct 2021 13:01:20 -0700
Subject: [PATCH] Add a regression test

Reconfigure the server without catalog-zone configuration, and then
put it back and reconfigure again, to confirm that there's no crash.

(cherry picked from commit bb411af31dd78ceda7a16f7ecfab483fb3746af9)
Conflict: NA
Reference: https://gitlab.isc.org/isc-projects/bind9/-/commit/c243daf8395bf8406f6697dde5ba62a25d188a1b
---
 .../ns2/{named.conf.in => named1.conf.in}     |  0
 bin/tests/system/catz/ns2/named2.conf.in      | 60 +++++++++++++++++++
 bin/tests/system/catz/setup.sh                |  2 +-
 bin/tests/system/catz/tests.sh                | 16 ++++-
 4 files changed, 74 insertions(+), 4 deletions(-)
 rename bin/tests/system/catz/ns2/{named.conf.in => named1.conf.in} (100%)
 create mode 100644 bin/tests/system/catz/ns2/named2.conf.in

diff --git a/bin/tests/system/catz/ns2/named.conf.in b/bin/tests/system/catz/ns2/named1.conf.in
similarity index 100%
rename from bin/tests/system/catz/ns2/named.conf.in
rename to bin/tests/system/catz/ns2/named1.conf.in
diff --git a/bin/tests/system/catz/ns2/named2.conf.in b/bin/tests/system/catz/ns2/named2.conf.in
new file mode 100644
index 0000000000..fcd99ca0d4
--- /dev/null
+++ b/bin/tests/system/catz/ns2/named2.conf.in
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	notify no;
+	recursion no;
+	serial-query-rate 100;
+	# removed catalog-zone option, otherwise this is
+	# identical to named1.conf.in
+};
+
+zone "catalog1.example" {
+	type secondary;
+	file "catalog1.example.db";
+	primaries { 10.53.0.1; };
+};
+
+zone "catalog2.example" {
+	type secondary;
+	file "catalog2.example.db";
+	primaries { 10.53.0.3; };
+};
+
+zone "catalog3.example" {
+	type secondary;
+	file "catalog3.example.db";
+	primaries { 10.53.0.1; };
+};
+
+zone "catalog4.example" {
+	type secondary;
+	file "catalog4.example.db";
+	primaries { 10.53.0.1; };
+};
+
+key tsig_key. {
+	secret "LSAnCU+Z";
+	algorithm hmac-md5;
+};
diff --git a/bin/tests/system/catz/setup.sh b/bin/tests/system/catz/setup.sh
index 960cffe9a7..e23ea4f058 100644
--- a/bin/tests/system/catz/setup.sh
+++ b/bin/tests/system/catz/setup.sh
@@ -15,7 +15,7 @@ SYSTEMTESTTOP=..
 $SHELL clean.sh
 
 copy_setports ns1/named.conf.in ns1/named.conf
-copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns2/named1.conf.in ns2/named.conf
 copy_setports ns3/named.conf.in ns3/named.conf
 
 cp -f ns1/catalog.example.db.in ns1/catalog1.example.db
diff --git a/bin/tests/system/catz/tests.sh b/bin/tests/system/catz/tests.sh
index c443b739ff..cd2084e59a 100644
--- a/bin/tests/system/catz/tests.sh
+++ b/bin/tests/system/catz/tests.sh
@@ -1179,7 +1179,7 @@ status=$((status+ret))
 n=$((n+1))
 echo_i "reconfiguring secondary - adding catalog4 catalog zone ($n)"
 ret=0
-sed -e "s/^#T1//g" <  ns2/named.conf.in > ns2/named.conf.tmp
+sed -e "s/^#T1//g" <  ns2/named1.conf.in > ns2/named.conf.tmp
 copy_setports ns2/named.conf.tmp ns2/named.conf
 rndccmd 10.53.0.2 reconfig || ret=1
 if [ $ret -ne 0 ]; then echo_i "failed"; fi
@@ -1210,7 +1210,7 @@ status=$((status+ret))
 n=$((n+1))
 echo_i "reconfiguring secondary - removing catalog4 catalog zone, adding non-existent catalog5 catalog zone ($n)"
 ret=0
-sed -e "s/^#T2//" < ns2/named.conf.in > ns2/named.conf.tmp
+sed -e "s/^#T2//" < ns2/named1.conf.in > ns2/named.conf.tmp
 copy_setports ns2/named.conf.tmp ns2/named.conf
 $RNDC -c ../common/rndc.conf -s 10.53.0.2 -p 9953 reconfig > /dev/null 2>&1 && ret=1
 if [ $ret -ne 0 ]; then echo_i "failed"; fi
@@ -1219,7 +1219,7 @@ status=$((status+ret))
 n=$((n+1))
 echo_i "reconfiguring secondary - removing non-existent catalog5 catalog zone ($n)"
 ret=0
-copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns2/named1.conf.in ns2/named.conf
 rndccmd 10.53.0.2 reconfig || ret=1
 if [ $ret -ne 0 ]; then echo_i "failed"; fi
 status=$((status+ret))
@@ -1730,5 +1730,15 @@ wait_for_no_soa @10.53.0.2 dom16.example. dig.out.test$n || ret=1
 if [ $ret -ne 0 ]; then echo_i "failed"; fi
 status=$((status+ret))
 
+n=$((n+1))
+echo_i "checking that reconfig can delete and restore catalog zone configuration ($n)"
+ret=0
+copy_setports ns2/named2.conf.in ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+copy_setports ns2/named1.conf.in ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
 echo_i "exit status: $status"
 [ $status -eq 0 ] || exit 1
-- 
2.23.0