mirror of
https://github.com/freebsd/freebsd-src
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1838dec318
Release notes at
https://www.nlnetlabs.nl/news/2023/Jan/12/unbound-1.17.1-released/.
MFC after: 1 month
Merge commit '7699e1386a16236002b26107ffd2dcbde375e197' into main
182 lines
3.1 KiB
Plaintext
182 lines
3.1 KiB
Plaintext
; config options
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server:
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target-fetch-policy: "0 0 0 0 0"
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qname-minimisation: no
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minimal-responses: no
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;serve-expired: yes
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module-config: "cachedb iterator"
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cachedb:
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backend: "testframe"
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secret-seed: "testvalue"
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129
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CONFIG_END
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SCENARIO_BEGIN Test cachedb store and servfail reply from cname.
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; the servfail reply should not overwrite the cache contents.
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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 subdomain
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ADJUST copy_id copy_query
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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 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 subdomain
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ADJUST copy_id copy_query
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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 AUTHORITY
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example.com. IN NS ns2.example.com.
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SECTION ADDITIONAL
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ns2.example.com. IN A 1.2.3.5
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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REPLY QR NOERROR
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SECTION QUESTION
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foo.com. IN NS
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SECTION AUTHORITY
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foo.com. IN NS ns.example.com.
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ENTRY_END
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RANGE_END
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; ns2.example.com.
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RANGE_BEGIN 0 20
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ADDRESS 1.2.3.5
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ENTRY_BEGIN
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MATCH opcode qname qtype
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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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www.example.com. 10 IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns2.example.com., now failing
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RANGE_BEGIN 20 100
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ADDRESS 1.2.3.5
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ENTRY_BEGIN
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MATCH opcode qname qtype
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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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www.example.com. 10 IN CNAME foo.example.com.
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qname qtype
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REPLY QR AA SERVFAIL
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SECTION QUESTION
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foo.example.com. IN A
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qname qtype
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REPLY QR AA SERVFAIL
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SECTION QUESTION
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ns2.example.com. IN A
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SECTION ANSWER
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qname qtype
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REPLY QR AA SERVFAIL
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SECTION QUESTION
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ns2.example.com. IN AAAA
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SECTION ANSWER
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ENTRY_END
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RANGE_END
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; get and entry in cache, to make it expired.
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STEP 1 QUERY
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ENTRY_BEGIN
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REPLY RD
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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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; get the answer for it
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STEP 10 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA 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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www.example.com. 10 IN A 1.2.3.4
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ENTRY_END
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; it is now expired
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STEP 20 TIME_PASSES ELAPSE 20
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; get a servfail in cache for the destination
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STEP 30 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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foo.example.com. IN A
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ENTRY_END
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STEP 40 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA SERVFAIL
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SECTION QUESTION
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foo.example.com. IN A
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ENTRY_END
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; the query is now a CNAME to servfail.
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; there is a valid, but expired, entry in cache.
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STEP 50 QUERY
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ENTRY_BEGIN
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REPLY RD
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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 60 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA SERVFAIL
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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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www.example.com. 10 IN CNAME foo.example.com.
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ENTRY_END
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SCENARIO_END
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