- Add unit test for validation of repeated use of a DNAME record.

diff --git a/doc/Changelog b/doc/Changelog
index 3fb5447dc9c880b96beb1be3e53638110cb99c31..6a56754eb317511c754645c5c0c41f0aad554c17 100644 (file)
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+7 June 2024: Wouter
+       - Add unit test for validation of repeated use of a DNAME record.
+
 6 June 2024: Wouter
        - Fix memory leak in setup of dsa sig.
        - Fix typos for 'the the' in text.

diff --git a/testdata/val_dname_twice.rpl b/testdata/val_dname_twice.rpl
new file mode 100644 (file)
index 0000000..bc84bf9
--- /dev/null
+++ b/testdata/val_dname_twice.rpl
@@ -0,0 +1,226 @@
+; config options
+; The island of trust is at example.com
+server:
+       trust-anchor: "example.com.    3600    IN      DS      2854 3 1 46e4ffc6e9a4793b488954bd3f0cc6af0dfb201b"
+       val-override-date: "20070916134226"
+       target-fetch-policy: "0 0 0 0 0"
+       qname-minimisation: "no"
+       fake-sha1: yes
+       trust-anchor-signaling: no
+
+stub-zone:
+       name: "."
+       stub-addr: 193.0.14.129         # K.ROOT-SERVERS.NET.
+CONFIG_END
+
+SCENARIO_BEGIN Test validator with a dname used twice
+
+; K.ROOT-SERVERS.NET.
+RANGE_BEGIN 0 100
+       ADDRESS 193.0.14.129
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+. IN NS
+SECTION ANSWER
+. IN NS        K.ROOT-SERVERS.NET.
+SECTION ADDITIONAL
+K.ROOT-SERVERS.NET.    IN      A       193.0.14.129
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR NOERROR
+SECTION QUESTION
+com. IN NS
+SECTION AUTHORITY
+com.   IN NS   a.gtld-servers.net.
+SECTION ADDITIONAL
+a.gtld-servers.net.    IN      A       192.5.6.30
+ENTRY_END
+RANGE_END
+
+; a.gtld-servers.net.
+RANGE_BEGIN 0 100
+       ADDRESS 192.5.6.30
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+com. IN NS
+SECTION ANSWER
+com.    IN NS   a.gtld-servers.net.
+SECTION ADDITIONAL
+a.gtld-servers.net.     IN      A       192.5.6.30
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR NOERROR
+SECTION QUESTION
+example.com. IN NS
+SECTION AUTHORITY
+example.com.   IN NS   ns.example.com.
+SECTION ADDITIONAL
+ns.example.com.                IN      A       1.2.3.4
+ENTRY_END
+RANGE_END
+
+; ns.example.com.
+RANGE_BEGIN 0 100
+       ADDRESS 1.2.3.4
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+example.com. IN NS
+SECTION ANSWER
+example.com.    IN NS   ns.example.com.
+example.com.    3600    IN      RRSIG   NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
+SECTION ADDITIONAL
+ns.example.com.         IN      A       1.2.3.4
+ns.example.com. 3600    IN      RRSIG   A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
+ENTRY_END
+
+; response to DNSKEY priming query
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+example.com. IN DNSKEY
+SECTION ANSWER
+example.com.    3600    IN      DNSKEY  256 3 3 ALXLUsWqUrY3JYER3T4TBJII s70j+sDS/UT2QRp61SE7S3E EXopNXoFE73JLRmvpi/UrOO/Vz4Se 6wXv/CYCKjGw06U4WRgR YXcpEhJROyNapmdIKSx hOzfLVE1gqA0PweZR8d tY3aNQSRn3sPpwJr6Mi /PqQKAMMrZ9ckJpf1+b QMOOvxgzz2U1GS18b3y ZKcgTMEaJzd/GZYzi/B N2DzQ0MsrSwYXfsNLFO Bbs8PJMW4LYIxeeOe6rUgkWOF 7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 1688b}
+example.com. 3600    IN      RRSIG   DNSKEY DSA 2 3600 20070926134150 20070829134150 2854 example.com. MCwCFBQRtlR4BEv9ohi+PGFjp+AHsJuHAhRCvz0shggvnvI88DFnBDCczHUcVA== ;{id = 2854}
+SECTION AUTHORITY
+example.com.   IN NS   ns.example.com.
+example.com.    3600    IN      RRSIG   NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
+SECTION ADDITIONAL
+ns.example.com.                IN      A       1.2.3.4
+ns.example.com. 3600    IN      RRSIG   A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
+ENTRY_END
+
+; response to query of interest
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+a.a.test-dname-2.example.com. IN A
+SECTION ANSWER
+test-dname-2.example.com.      3600    IN      DNAME   test-2.example.com.
+test-dname-2.example.com.      3600    IN      RRSIG   DNAME 3 3 3600 20070926134150 20070829134150 2854 example.com. AB9F05uhCzJ0hFbu/033nWLEMDoDrIY1PL69PsD9kMUuyzT4irnUlGY=
+; unsigned CNAME
+a.a.test-dname-2.example.com. IN CNAME a.a.test-2.example.com.
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+a.a.test-2.example.com. IN A
+SECTION ANSWER
+a.a.test-2.example.com.        3600    IN      CNAME   a.test-dname-2.example.com.
+a.a.test-2.example.com.        3600    IN      RRSIG   CNAME 3 5 3600 20070926134150 20070829134150 2854 example.com. AECBiHVJ8qaSV3sC7LcOlSF2W4b9JD+g44fQ2EvkKqGJVUJfa6840i8=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+a.test-dname-2.example.com. IN A
+SECTION ANSWER
+test-dname-2.example.com.      3600    IN      DNAME   test-2.example.com.
+test-dname-2.example.com.      3600    IN      RRSIG   DNAME 3 3 3600 20070926134150 20070829134150 2854 example.com. AB9F05uhCzJ0hFbu/033nWLEMDoDrIY1PL69PsD9kMUuyzT4irnUlGY=
+; unsigned CNAME
+a.test-dname-2.example.com. IN CNAME a.test-2.example.com.
+SECTION AUTHORITY
+snow.example.com.      3600    IN      NSEC    a.a.test-2.example.com. A AAAA RRSIG NSEC
+snow.example.com.      3600    IN      RRSIG   NSEC 3 3 3600 20070926134150 20070829134150 2854 example.com. AHy/eDMTc5D7Q7Svh/B/r/twvHn8GTzYgSwO1jFasFrb2Gmtk8waXaM=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+a.test-2.example.com. IN A
+SECTION ANSWER
+SECTION AUTHORITY
+example.com.   3600    IN      SOA     ns.example.com. root.example.com. 1 3600 300 7200 3600
+example.com.   3600    IN      RRSIG   SOA 3 2 3600 20070926134150 20070829134150 2854 example.com. AEO4JOt/lNSVk3InhQz4MvUXll2vOOuZklfB7HpnW45kvEqHsqfWuNw=
+snow.example.com.      3600    IN      NSEC    a.a.test-2.example.com. A AAAA RRSIG NSEC
+snow.example.com.      3600    IN      RRSIG   NSEC 3 3 3600 20070926134150 20070829134150 2854 example.com. AHy/eDMTc5D7Q7Svh/B/r/twvHn8GTzYgSwO1jFasFrb2Gmtk8waXaM=
+ENTRY_END
+RANGE_END
+
+STEP 1 QUERY
+ENTRY_BEGIN
+REPLY RD DO
+SECTION QUESTION
+a.a.test-dname-2.example.com. IN A
+ENTRY_END
+
+; recursion happens here.
+STEP 10 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA AD DO NOERROR
+SECTION QUESTION
+a.a.test-dname-2.example.com.   IN      A
+SECTION ANSWER
+test-dname-2.example.com.       3600    IN      DNAME   test-2.example.com.
+test-dname-2.example.com.       3600    IN      RRSIG   DNAME 3 3 3600 20070926134150 20070829134150 2854 example.com. AB9F05uhCzJ0hFbu/033nWLEMDoDrIY1PL69PsD9kMUuyzT4irnUlGY= ;{id = 2854}
+a.a.test-dname-2.example.com.   3600    IN      CNAME   a.a.test-2.example.com.
+a.a.test-2.example.com. 3600    IN      CNAME   a.test-dname-2.example.com.
+a.a.test-2.example.com. 3600    IN      RRSIG   CNAME 3 5 3600 20070926134150 20070829134150 2854 example.com. AECBiHVJ8qaSV3sC7LcOlSF2W4b9JD+g44fQ2EvkKqGJVUJfa6840i8= ;{id = 2854}
+a.test-dname-2.example.com.     3600    IN      CNAME   a.test-2.example.com.
+
+SECTION AUTHORITY
+example.com.    3600    IN      SOA     ns.example.com. root.example.com. 1 3600 300 7200 3600
+example.com.    3600    IN      RRSIG   SOA 3 2 3600 20070926134150 20070829134150 2854 example.com. AEO4JOt/lNSVk3InhQz4MvUXll2vOOuZklfB7HpnW45kvEqHsqfWuNw= ;{id = 2854}
+snow.example.com.       3600    IN      NSEC    a.a.test-2.example.com. A AAAA RRSIG NSEC
+snow.example.com.       3600    IN      RRSIG   NSEC 3 3 3600 20070926134150 20070829134150 2854 example.com. AHy/eDMTc5D7Q7Svh/B/r/twvHn8GTzYgSwO1jFasFrb2Gmtk8waXaM= ;{id = 2854}
+ENTRY_END
+
+; Check cache response for DNAME
+; so 100+ the authority will not respond any more : must be from cache.
+STEP 110 TIME_PASSES ELAPSE 10
+
+STEP 120 QUERY
+ENTRY_BEGIN
+REPLY RD DO
+SECTION QUESTION
+a.a.test-dname-2.example.com.   IN      A
+ENTRY_END
+
+STEP 130 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA AD DO NOERROR
+SECTION QUESTION
+a.a.test-dname-2.example.com.   IN      A
+SECTION ANSWER
+test-dname-2.example.com.       3590    IN      DNAME   test-2.example.com.
+test-dname-2.example.com.       3590    IN      RRSIG   DNAME 3 3 3600 20070926134150 20070829134150 2854 example.com. AB9F05uhCzJ0hFbu/033nWLEMDoDrIY1PL69PsD9kMUuyzT4irnUlGY= ;{id = 2854}
+a.a.test-dname-2.example.com.   3590    IN      CNAME   a.a.test-2.example.com.
+a.a.test-2.example.com. 3590    IN      CNAME   a.test-dname-2.example.com.
+a.a.test-2.example.com. 3590    IN      RRSIG   CNAME 3 5 3600 20070926134150 20070829134150 2854 example.com. AECBiHVJ8qaSV3sC7LcOlSF2W4b9JD+g44fQ2EvkKqGJVUJfa6840i8= ;{id = 2854}
+a.test-dname-2.example.com.     3590    IN      CNAME   a.test-2.example.com.
+
+SECTION AUTHORITY
+example.com.    3590    IN      SOA     ns.example.com. root.example.com. 1 3600 300 7200 3600
+example.com.    3590    IN      RRSIG   SOA 3 2 3600 20070926134150 20070829134150 2854 example.com. AEO4JOt/lNSVk3InhQz4MvUXll2vOOuZklfB7HpnW45kvEqHsqfWuNw= ;{id = 2854}
+snow.example.com.       3590    IN      NSEC    a.a.test-2.example.com. A AAAA RRSIG NSEC
+snow.example.com.       3590    IN      RRSIG   NSEC 3 3 3600 20070926134150 20070829134150 2854 example.com. AHy/eDMTc5D7Q7Svh/B/r/twvHn8GTzYgSwO1jFasFrb2Gmtk8waXaM= ;{id = 2854}
+ENTRY_END
+
+SCENARIO_END