mirror of
https://github.com/NLnetLabs/unbound.git
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W.C.A. Wijngaards
53499e4a88
An improper wildcard in the chain of trust would send the retries to the wrong upstream. Also it could label the step in the chain of trust as secure, when it was not. Thanks to Qifan Zhang, Palo Alto Networks for the report.
225 lines
7.0 KiB
Plaintext
225 lines
7.0 KiB
Plaintext
; config options
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; The island of trust is at example.com
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server:
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trust-anchor: "example.com. 3600 IN DS 2854 3 1 46e4ffc6e9a4793b488954bd3f0cc6af0dfb201b"
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val-override-date: "20070916134226"
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target-fetch-policy: "0 0 0 0 0"
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qname-minimisation: "no"
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fake-sha1: yes
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trust-anchor-signaling: no
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ede: yes
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access-control: 127.0.0.0/8 allow_snoop
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
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CONFIG_END
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SCENARIO_BEGIN Test validator with CNAME response to DS
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 100
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ADDRESS 193.0.14.129
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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. IN NS
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SECTION ANSWER
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. IN NS K.ROOT-SERVERS.NET.
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SECTION ADDITIONAL
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K.ROOT-SERVERS.NET. IN A 193.0.14.129
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net.
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RANGE_BEGIN 0 100
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION ANSWER
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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ns.example.com. IN AAAA
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SECTION ANSWER
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SECTION AUTHORITY
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com. IN SOA ns.example.com. root.example.com. 4 14400 3600 604800 3600
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 0 100
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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ns.example.com. IN AAAA
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SECTION ANSWER
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; not legal NOERROR/NODATA response, but leniently accepted (not validated)
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
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ENTRY_END
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; response to DNSKEY priming query
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN DNSKEY
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SECTION ANSWER
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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}
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example.com. 3600 IN RRSIG DNSKEY 3 2 3600 20070926134802 20070829134802 2854 example.com. MCwCFG1yhRNtTEa3Eno2zhVVuy2EJX3wAhQeLyUp6+UXcpC5qGNu9tkrTEgPUg== ;{id = 2854}
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
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ENTRY_END
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; response to query of interest
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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; nothing here, not even NSECs
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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ENTRY_END
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; DS query
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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www.example.com. IN DS
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SECTION ANSWER
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www.example.com. IN CNAME zzz.example.com.
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www.example.com. 3600 IN RRSIG CNAME 3 2 3600 20070926134150 20070829134150 2854 example.com. AERsv3PiBObAEhZ/dKyamie0sjvYLn7YaEKgv9ExB14KKLgWvzCaOWo= ;{id = 2854}
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;*.example.com. IN CNAME zzz.example.com.
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;*.example.com. 3600 IN RRSIG CNAME 3 2 3600 20070926134150 20070829134150 2854 example.com. AERsv3PiBObAEhZ/dKyamie0sjvYLn7YaEKgv9ExB14KKLgWvzCaOWo= ;{id = 2854}
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SECTION AUTHORITY
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*.example.com. IN NSEC zzz.example.com. CNAME RRSIG NSEC
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*.example.com. 3600 IN RRSIG NSEC 3 2 3600 20070926134150 20070829134150 2854 example.com. AJxl2TXciyhbKqSakVNtjlt8Bbkco02zpl5RlY88iqVmSa6ts+/guU4= ;{id = 2854}
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zzz.example.com. IN NSEC *.zzz.example.com. A RRSIG NSEC
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zzz.example.com. 3600 IN RRSIG NSEC 3 3 3600 20070926134150 20070829134150 2854 example.com. ACtgx/h0YfGEK79zg4G16jB/0oRWH0nxrMzUc/4hCY3oprsP8DrdjqU= ;{id = 2854}
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example.com. IN SOA alfa.ns.example.com.cz. hostmaster.example.com. 2010030800 10800 86400 604800 86400
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example.com. 3600 IN RRSIG SOA 3 2 3600 20070926134150 20070829134150 2854 example.com. ADsxLOHjxFzwFmwIiGOubqD9nKWAp4RccRIXQ0+EAUGfSDZMCB0ZiFA= ;{id = 2854}
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SECTION ADDITIONAL
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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zzz.example.com. IN DS
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SECTION ANSWER
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SECTION AUTHORITY
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zzz.example.com. IN NSEC *.zzz.example.com. A RRSIG NSEC
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zzz.example.com. 3600 IN RRSIG NSEC 3 3 3600 20070926134150 20070829134150 2854 example.com. ACtgx/h0YfGEK79zg4G16jB/0oRWH0nxrMzUc/4hCY3oprsP8DrdjqU= ;{id = 2854}
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example.com. IN SOA alfa.ns.example.com.cz. hostmaster.example.com. 2010030800 10800 86400 604800 86400
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example.com. 3600 IN RRSIG SOA 3 2 3600 20070926134150 20070829134150 2854 example.com. ADsxLOHjxFzwFmwIiGOubqD9nKWAp4RccRIXQ0+EAUGfSDZMCB0ZiFA= ;{id = 2854}
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SECTION ADDITIONAL
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ENTRY_END
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RANGE_END
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STEP 1 QUERY
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ENTRY_BEGIN
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REPLY RD DO
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 10 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ede=6
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REPLY QR RD RA DO SERVFAIL
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; Redo the query without RD to check EDE caching.
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STEP 11 QUERY
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ENTRY_BEGIN
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REPLY DO
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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STEP 12 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ede=6
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REPLY QR RA DO SERVFAIL
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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SCENARIO_END
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