From: Wouter Wijngaards Date: Tue, 4 Sep 2007 15:29:28 +0000 (+0000) Subject: signature validation of different parts of a CNAME'd message works. X-Git-Tag: release-0.5~53 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=496c91c2505a249b8a8c2d604632de3f703a25e6;p=thirdparty%2Funbound.git signature validation of different parts of a CNAME'd message works. git-svn-id: file:///svn/unbound/trunk@588 be551aaa-1e26-0410-a405-d3ace91eadb9 --- diff --git a/doc/Changelog b/doc/Changelog index 3594d21e7..8f14789e7 100644 --- a/doc/Changelog +++ b/doc/Changelog @@ -10,6 +10,9 @@ - wildcarded DNAME test and fixup code to detect. - prepend NSEC and NSEC3 rrsets in the iterator while chasing CNAMEs. So that wildcarded CNAMEs get their NSEC with them to the answer. + - test for a CNAME to a DNAME to a CNAME to an answer, all from + different domains, for key fetching and signature checking of + CNAME'd messages. 3 September 2007: Wouter - Fixed error in iterator that would cause assertion failure in diff --git a/testdata/val_cnametodnametocnametopos.rpl b/testdata/val_cnametodnametocnametopos.rpl new file mode 100644 index 000000000..0a54c2982 --- /dev/null +++ b/testdata/val_cnametodnametocnametopos.rpl @@ -0,0 +1,325 @@ +; config options +; The island of trust is at example.com +server: + trust-anchor: "example.com. 3600 IN DS 2854 3 1 46e4ffc6e9a4793b488954bd3f0cc6af0dfb201b" + trust-anchor: "example.net. 3600 IN DNSKEY 256 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b}" + trust-anchor: "example.org. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJIIs70j+sDS/UT2QRp61SE7S3EEXopNXoFE73JLRmvpi/UrOO/Vz4Se6wXv/CYCKjGw06U4WRgRYXcpEhJROyNapmdIKSxhOzfLVE1gqA0PweZR8dtY3aNQSRn3sPpwJr6Mi/PqQKAMMrZ9ckJpf1+bQMOOvxgzz2U1GS18b3yZKcgTMEaJzd/GZYzi/BN2DzQ0MsrSwYXfsNLFOBbs8PJMW4LYIxeeOe6rUgkWOF7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 1688b}" + val-override-date: "20070916134226" + +stub-zone: + name: "." + stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. +CONFIG_END + +SCENARIO_BEGIN Test validator with cname, dname, cname, positive answer + +; 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 qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION AUTHORITY +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 qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.sub.example.net. IN A +SECTION AUTHORITY +net. IN NS a.gtld-servers.net. +SECTION ADDITIONAL +a.gtld-servers.net. IN A 192.5.6.30 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.example.org. IN A +SECTION AUTHORITY +org. 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 +www.example.com. IN A +SECTION AUTHORITY +example.com. IN NS ns.example.com. +SECTION ADDITIONAL +ns.example.com. IN A 1.2.3.4 +ENTRY_END +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.sub.example.net. IN A +SECTION AUTHORITY +example.net. IN NS ns.example.net. +SECTION ADDITIONAL +ns.example.net. IN A 1.2.3.5 +ENTRY_END +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.example.org. IN A +SECTION AUTHORITY +example.org. IN NS ns.example.org. +SECTION ADDITIONAL +ns.example.org. IN A 1.2.3.7 +ENTRY_END +RANGE_END + +; ns.example.com. +RANGE_BEGIN 0 100 + ADDRESS 1.2.3.4 + +; 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 NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. IN CNAME www.sub.example.net. +www.example.com. 3600 IN RRSIG CNAME 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFEv1gOb7KEskzkJNtFKKVBxY+Hb2AhUAqKJDIZJvNl+AdzqAt+JgdvnYAF0= ;{id = 2854} +SECTION AUTHORITY +SECTION ADDITIONAL +ENTRY_END + +; response for delagation to sub.example.com. +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.sub.example.com. IN A +SECTION ANSWER +SECTION AUTHORITY +sub.example.com. IN NS ns.sub.example.com. +sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3 +sub.example.com. 3600 IN RRSIG DS 3 3 3600 20070926134150 20070829134150 2854 example.com. MCwCFCW3ix0GD4BSvNLWIbROCJt5DAW9AhRt/kg9kBKJ20UBUdumrBUHqnskdA== ;{id = 2854} +SECTION ADDITIONAL +ns.sub.example.com. IN A 1.2.3.6 +ENTRY_END + +; response for delegation to sub.example.com. +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +sub.example.com. IN DNSKEY +SECTION ANSWER +SECTION AUTHORITY +sub.example.com. IN NS ns.sub.example.com. +sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3 +sub.example.com. 3600 IN RRSIG DS 3 3 3600 20070926134150 20070829134150 2854 example.com. MCwCFCW3ix0GD4BSvNLWIbROCJt5DAW9AhRt/kg9kBKJ20UBUdumrBUHqnskdA== ;{id = 2854} +SECTION ADDITIONAL +ns.sub.example.com. IN A 1.2.3.6 +ENTRY_END +RANGE_END + +; ns.example.net. +RANGE_BEGIN 0 100 + ADDRESS 1.2.3.5 + +; response to DNSKEY priming query +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.net. IN DNSKEY +SECTION ANSWER +example.net. 3600 IN DNSKEY 256 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b} +example.net. 3600 IN RRSIG DNSKEY RSASHA1 2 3600 20070926134150 20070829134150 30899 example.net. hiFzlQ8VoYgCuvIsfVuxC3mfJDqsTh0yc6abs5xMx5uEcIjb0dndFQx7INOM+imlzveEN73Hqp4OLFpFhsWLlw== ;{id = 30899} +SECTION AUTHORITY +example.net. IN NS ns.example.net. +example.net. 3600 IN RRSIG NS RSASHA1 2 3600 20070926134150 20070829134150 30899 example.net. E8JX0l4B+cSR5bkHQwOJy1pBmlLMTYCJ8EwfNMU/eCv0YhKwo26rHhn52FGisgv+Nwp7/NbhHqQ+kJgoZC94XA== ;{id = 30899} +SECTION ADDITIONAL +ns.example.net. IN A 1.2.3.5 +ns.example.net. 3600 IN RRSIG A RSASHA1 3 3600 20070926134150 20070829134150 30899 example.net. x+tQMC9FhzT7Fcy1pM5NrOC7E8nLd7THPI3C6ie4EwL8PrxllqlR3q/DKB0d/m0qCOPcgN6HFOYURV1s4uAcsw== ;{id = 30899} +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +sub.example.net. IN DS +SECTION ANSWER +SECTION AUTHORITY +sub.example.net. IN NSEC www.example.net. DNAME RRSIG NSEC +sub.example.net. 3600 IN RRSIG NSEC 5 3 3600 20070926134150 20070829134150 30899 example.net. PsKlcOSNElUi3u7Cn6c5+Sv8CRLTqmooMbvloTwUCkM53SuAirXcCA+9Pz5y0unO9+5IxwdkwssnoCOX5FqnCQ== ;{id = 30899} +SECTION ADDITIONAL +ENTRY_END + +; response to query of interest +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.sub.example.net. IN A +SECTION ANSWER +sub.example.net. IN DNAME sub.example.com. +sub.example.net. 3600 IN RRSIG DNAME 5 3 3600 20070926134150 20070829134150 30899 example.net. G/UmcL1VmCF2mjB1O9IeNM2DnvayxEy6vOrvA+Ic/Gqcsgnq/f4VTCV9soQQIAWEir2v5Vt8hqPDP8rCRbMnyA== ;{id = 30899} +www.sub.example.net. IN CNAME www.sub.example.com. +SECTION AUTHORITY +SECTION ADDITIONAL +ENTRY_END +RANGE_END + +; ns.sub.example.com. +RANGE_BEGIN 0 100 + ADDRESS 1.2.3.6 + +; response to DNSKEY priming query +; sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +sub.example.com. IN DNSKEY +SECTION ANSWER +sub.example.com. 3600 IN DNSKEY 256 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b} +sub.example.com. 3600 IN RRSIG DNSKEY 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. uNGp99iznjD7oOX02XnQbDnbg75UwBHRvZSKYUorTKvPUnCWMHKdRsQ+mf+Fx3GZ+Fz9BVjoCmQqpnfgXLEYqw== ;{id = 30899} +SECTION AUTHORITY +sub.example.com. IN NS ns.sub.example.com. +sub.example.com. 3600 IN RRSIG NS 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. wcpHeBILHfo8C9uxMhcW03gcURZeUffiKdSTb50ZjzTHgMNhRyMfpcvSpXEd9548A9UTmWKeLZChfr5Z/glONw== ;{id = 30899} +SECTION ADDITIONAL +ns.sub.example.com. IN A 1.2.3.6 +ns.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. UF7shD/gt1FOp2UHgLTNbPzVykklSXFMEtJ1xD+Hholwf/PIzd7zoaIttIYibNa4fUXCqMg22H9P7MRhfmFe6g== ;{id = 30899} +ENTRY_END + +; response to query of interest +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.sub.example.com. IN A +SECTION ANSWER +www.sub.example.com. IN CNAME www.example.org. +www.sub.example.com. 3600 IN RRSIG CNAME 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. ZE6A4pkyeUpNCscu2oeBv/3JbbirdwUaAMgmQ/ighzacUJCC6Lh8vAL5aYDEyTk7oktb8uS7gmYan171aM9/tg== ;{id = 30899} +SECTION AUTHORITY +SECTION ADDITIONAL +ENTRY_END +RANGE_END + +; ns.example.org. +RANGE_BEGIN 0 100 + ADDRESS 1.2.3.7 + +; response to DNSKEY priming query +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.org. IN DNSKEY +SECTION ANSWER +example.org. 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.org. 3600 IN RRSIG DNSKEY 3 2 3600 20070926134150 20070829134150 2854 example.org. MC0CFBCSESiUl5XEht/LRecGFuX2Xad7AhUAoURP4DsIEbwMjlB955vziIB798E= ;{id = 2854} +SECTION AUTHORITY +example.org. IN NS ns.example.org. +example.org. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.org. MCwCFAE1sQemdwqUPt4Qo+mr59a66DlFAhRV1mftIFs2YnkmIWsGtikIOJvh5A== ;{id = 2854} +SECTION ADDITIONAL +ns.example.org. IN A 1.2.3.7 +ns.example.org. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.org. MC0CFQC0yXaA8ywsZF+7dHukVIBFD820wQIUONbyI+UX9SDSDFmFnr+ApuTEooY= ;{id = 2854} +ENTRY_END + +; response to query of interest +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +www.example.org. IN A +SECTION ANSWER +www.example.org. IN A 11.11.11.11 +www.example.org. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.org. MC0CFB/erEAxSMqW0I51r6VQMq861B+yAhUAqJ7DPU7xHFpWJGILOQ0WW3aDGi0= ;{id = 2854} +SECTION AUTHORITY +SECTION ADDITIONAL +ENTRY_END +RANGE_END + +STEP 1 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www.example.com. IN A +ENTRY_END + +; recursion happens here. +STEP 10 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA AD NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. 3600 IN CNAME www.sub.example.net. +sub.example.net. 3600 IN DNAME sub.example.com. +www.sub.example.net. 0 IN CNAME www.sub.example.com. +www.sub.example.com. 3600 IN CNAME www.example.org. +www.example.org. 3600 IN A 11.11.11.11 +SECTION AUTHORITY +SECTION ADDITIONAL +ENTRY_END + +SCENARIO_END