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111 lines
2.3 KiB
Plaintext
111 lines
2.3 KiB
Plaintext
; config options
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server:
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module-config: "validator iterator"
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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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serve-expired-client-timeout: 1
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serve-expired-reply-ttl: 123
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ede: yes
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ede-serve-expired: yes
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stub-zone:
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name: "example.com"
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stub-addr: 1.2.3.4
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CONFIG_END
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SCENARIO_BEGIN Test that no prefetch is triggered for 0TTL records with serve-expired and client-timeout enabled
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; Scenario overview:
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; - query for example.com. IN A
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; - check that we get an answer for example.com. IN A with the correct TTL
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; - query again right at the 0TTL cached entry
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; - check that we get the cached answer with no prefetching triggered
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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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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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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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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 0 10
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ADDRESS 1.2.3.4
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; response to A 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 A
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SECTION ANSWER
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example.com. 10 IN A 5.6.7.8
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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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RANGE_END
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; Query with RD flag
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STEP 0 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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example.com. IN A
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ENTRY_END
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; Check that we got the correct answer (should be cached)
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STEP 1 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 10 IN A 5.6.7.8
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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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; Wait for the TTL to expire and produce a 0 TTL cached record.
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STEP 10 TIME_PASSES ELAPSE 10
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; Query again
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STEP 20 QUERY
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ENTRY_BEGIN
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REPLY RD DO
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SECTION QUESTION
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example.com. IN A
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ENTRY_END
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; This should come from the cache with no prefetch triggered (earlier bug).
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STEP 21 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA DO NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 0 IN A 5.6.7.8
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SECTION AUTHORITY
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example.com. 3590 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 3590 IN A 1.2.3.4
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ENTRY_END
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; If a prefetch triggers the test will fail with 'messages pending'.
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SCENARIO_END
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