unbound/testdata/serve_expired_reply_ttl.rpl
2022-05-06 12:48:53 +02:00

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; config options
server:
module-config: "validator iterator"
qname-minimisation: "no"
minimal-responses: no
serve-expired: yes
serve-expired-reply-ttl: 123
ede: yes
ede-serve-expired: yes
stub-zone:
name: "example.com"
stub-addr: 1.2.3.4
CONFIG_END
SCENARIO_BEGIN Test serve-expired with reply-ttl
; Scenario overview:
; - query for example.com. IN A
; - check that we get an answer for example.com. IN A with the correct TTL
; - query again right after the TTL expired
; - check that we get the expired cached answer with the configured TTL
; 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.
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
example.com. IN A
SECTION ANSWER
example.com. 10 IN A 5.6.7.8
SECTION AUTHORITY
example.com. IN NS ns.example.com.
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ENTRY_END
RANGE_END
; Query with RD flag
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
example.com. IN A
ENTRY_END
; Check that we got the correct answer (should be cached)
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
example.com. IN A
SECTION ANSWER
example.com. 10 IN A 5.6.7.8
SECTION AUTHORITY
example.com. IN NS ns.example.com.
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ENTRY_END
; Wait for the TTL to expire
STEP 11 TIME_PASSES ELAPSE 3601
; Query again
STEP 30 QUERY
ENTRY_BEGIN
REPLY RD DO
SECTION QUESTION
example.com. IN A
ENTRY_END
; Check that we got a stale answer
STEP 40 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl ede=3
REPLY QR RD RA DO NOERROR
SECTION QUESTION
example.com. IN A
SECTION ANSWER
example.com. 123 A 5.6.7.8
SECTION AUTHORITY
example.com. 123 NS ns.example.com.
SECTION ADDITIONAL
ns.example.com. 123 A 1.2.3.4
ENTRY_END
; Give time for the pending query to get answered
STEP 41 TRAFFIC
SCENARIO_END