add ede cachedb test

testdata/ede-caching-cachedb.tdir/ede-auth.conf

@@ -0,0 +1,13 @@
+server:
+	verbosity: 1
+	use-syslog: no
+	chroot: ""
+	username: ""
+	directory: ""
+	pidfile: "unbound2.pid"
+	interface: 127.0.0.1
+	port: @PORT2@
+
+auth-zone:
+		name: "example.nl"
+		zonefile: "example.nl.zone"

testdata/ede-caching-cachedb.tdir/ede-caching-cachedb.dsc

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+BaseName: ede-caching-cachedb
+Version: 1.0
+Description: Test caching of Extended DNS Errors (rfc8914) in the cachedb
+CreationDate: Mon Nov 21 11:42:11 UTC 2022
+Maintainer: Tom Carpay
+Category: 
+Component:
+CmdDepends:
+Depends:
+Help:
+Pre: ede-caching-cachedb.pre
+Post: ede-caching-cachedb.post
+Test: ede-caching-cachedb.test
+AuxFiles: 
+Passed:
+Failure:

testdata/ede-caching-cachedb.tdir/ede-caching-cachedb.post

@@ -0,0 +1,9 @@
+# #-- ede.post --#
+# source the master var file when it's there
+[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+
+# teardown
+. ../common.sh
+kill_pid $UNBOUND_PID

testdata/ede-caching-cachedb.tdir/ede-caching-cachedb.pre

@@ -0,0 +1,33 @@
+# #-- ede-caching-cachedb.pre --#
+# source the master var file when it's there
+[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+
+PRE="../.."
+. ../common.sh
+
+get_random_port 2
+UNBOUND_PORT=$RND_PORT
+UNBOUND_PORT2=$(($RND_PORT + 1))
+echo "UNBOUND_PORT=$UNBOUND_PORT" >> .tpkg.var.test
+echo "UNBOUND_PORT2=$UNBOUND_PORT2" >> .tpkg.var.test
+
+# rewrite config file with created ports
+sed -e 's/@PORT\@/'$UNBOUND_PORT'/' < ede.conf > temp.conf
+sed -e 's/@PORT2\@/'$UNBOUND_PORT2'/' < temp.conf > ub.conf
+sed -e 's/@PORT2\@/'$UNBOUND_PORT2'/' < ede-auth.conf > ub2.conf
+
+# start unbound in the background
+$PRE/unbound -d -c ub.conf > unbound.log 2>&1 &
+UNBOUND_PID=$!
+echo "UNBOUND_PID=$UNBOUND_PID" >> .tpkg.var.test
+
+# start authoritative unbound in the background
+$PRE/unbound -d -c ub2.conf > unbound2.log 2>&1 &
+UNBOUND_PID2=$!
+echo "UNBOUND_PID2=$UNBOUND_PID2" >> .tpkg.var.test
+
+cat .tpkg.var.test
+wait_unbound_up unbound.log
+wait_unbound_up unbound2.log

testdata/ede-caching-cachedb.tdir/ede-caching-cachedb.test

@@ -0,0 +1,29 @@
+# #-- ede-caching-cachedb.test --#
+# source the master var file when it's there
+[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+. ../common.sh
+
+# query with the priming edns opt
+dig @127.0.0.1 -p $UNBOUND_PORT example.nl +ednsopt=49152 > query1.txt
+
+if ! grep -q -e "OPT=15: 00 09" -e "EDE: 9" query1.txt
+then
+	echo "Priming query fails"
+	cat query1.txt
+	exit 1
+fi
+
+# kill the authoritative Unbound instance?
+kill_pid $UNBOUND_PID2
+
+# query again to see if we have indeed cached the response
+dig @127.0.0.1 -p $UNBOUND_PORT example.nl +ednsopt=49152 > query2.txt
+
+if ! grep -q -e "OPT=15: 00 09" -e "EDE: 9" query2.txt
+then
+	echo "Cached query fails"
+	cat query2.txt
+	exit 1
+fi

testdata/ede-caching-cachedb.tdir/ede.conf

@@ -0,0 +1,26 @@
+server:
+	verbosity: 3
+	interface: 127.0.0.1
+	port: @PORT@
+	use-syslog: no
+	directory: .
+	pidfile: "unbound.pid"
+	chroot: ""
+	username: ""
+	directory: ""
+	val-log-level: 2
+
+	auto-trust-anchor-file: "/usr/local/etc/unbound/root.key"
+
+	module-config: "cachedb validator iterator"
+
+	ede: yes
+
+	do-not-query-localhost: no
+
+forward-zone:
+	name: "example.nl"
+	forward-addr: 127.0.0.1@@PORT2@
+
+cachedb:
+	backend: testframe

testdata/ede-caching-cachedb.tdir/example.nl.zone

@@ -0,0 +1,16 @@
+$ORIGIN example.nl.
+$TTL 86400 ; default time-to-live for this zone
+
+example.nl.   IN  SOA     ns.example.nl. noc.dns.icann.org. (
+        2020080302  ;Serial
+        7200        ;Refresh
+        3600        ;Retry
+        1209600     ;Expire
+        3600        ;Negative response caching TTL
+)
+
+; The nameserver that are authoritative for this zone.
+                                NS      example.nl.
+
+; these A records below are equivalent
+example.nl.    A       1.2.3.4

testdata/ede-caching-cachedb.tdir/root.key

@@ -0,0 +1,9 @@
+; autotrust trust anchor file
+;;id: . 1
+;;last_queried: 1669040556 ;;Mon Nov 21 15:22:36 2022
+;;last_success: 1669040556 ;;Mon Nov 21 15:22:36 2022
+;;next_probe_time: 1669081693 ;;Tue Nov 22 02:48:13 2022
+;;query_failed: 0
+;;query_interval: 43200
+;;retry_time: 8640
+.	86400	IN	DNSKEY	257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ;{id = 20326 (ksk), size = 2048b} ;;state=2 [  VALID  ] ;;count=0 ;;lastchange=1628842824 ;;Fri Aug 13 10:20:24 2021