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|
; config options
; fetch all extra targets - we want to trigger a lookup in cache
server:
target-fetch-policy: "-1 -1 -1 -1 -1"
qname-minimisation: "no"
access-control: 127.0.0.1 allow_snoop
stub-zone:
name: "."
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
CONFIG_END
SCENARIO_BEGIN Test TTL countdown on messages in the cache
; 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 subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
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 AA NOERROR
SECTION QUESTION
a.gtld-servers.net. IN A
SECTION ANSWER
a.gtld-servers.net. IN A 192.5.6.30
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
K.ROOT-SERVERS.NET. IN A
SECTION ANSWER
K.ROOT-SERVERS.NET. IN A 193.0.14.129
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
a.gtld-servers.net. IN AAAA
SECTION AUTHORITY
. 86400 IN SOA . . 20070304 28800 7200 604800 86400
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
K.ROOT-SERVERS.NET. IN AAAA
SECTION AUTHORITY
. 86400 IN SOA . . 20070304 28800 7200 604800 86400
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
com. IN NS
SECTION ANSWER
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 subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
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 subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
foo.com. IN A
SECTION AUTHORITY
foo.com. IN NS ns.foo.com.
;foo.com. IN NS nx1.example.com.
SECTION ADDITIONAL
ns.foo.com. IN A 1.2.5.6
ENTRY_END
RANGE_END
; ns.foo.com
RANGE_BEGIN 0 100
ADDRESS 1.2.5.6
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
foo.com. IN NS
SECTION ANSWER
foo.com. IN NS ns.foo.com.
;foo.com. IN NS nx1.example.com.
SECTION ADDITIONAL
ns.foo.com. IN A 1.2.5.6
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
www.foo.com. IN A
SECTION ANSWER
;www.foo.com. IN A 1.2.5.6
www.foo.com. IN CNAME nx1.example.com.
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
ns.foo.com. IN A
SECTION ANSWER
ns.foo.com. IN A 1.2.5.6
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
ns.foo.com. IN AAAA
SECTION AUTHORITY
foo.com. IN SOA . . 1 2 3 4 3600
ENTRY_END
RANGE_END
; ns.example.com. --- serial=15
RANGE_BEGIN 0 20
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 AA NOERROR
SECTION QUESTION
ns.example.com. IN A
SECTION ANSWER
ns.example.com. IN A 1.2.3.4
SECTION AUTHORITY
example.com. IN NS ns.example.com.
ENTRY_END
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 A 10.20.30.40
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 AA NOERROR
SECTION QUESTION
ns.example.com. IN AAAA
SECTION AUTHORITY
example.com. 10 IN SOA . . 15 28800 7200 604800 10
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NXDOMAIN
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 15 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NXDOMAIN
SECTION QUESTION
nx2.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 15 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
RANGE_END
; ns.example.com. --- serial=17
RANGE_BEGIN 20 100
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 AA NOERROR
SECTION QUESTION
ns.example.com. IN A
SECTION ANSWER
ns.example.com. IN A 1.2.3.4
SECTION AUTHORITY
example.com. IN NS ns.example.com.
ENTRY_END
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 A 10.20.30.40
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 AA NOERROR
SECTION QUESTION
ns.example.com. IN AAAA
SECTION AUTHORITY
example.com. 10 IN SOA . . 17 28800 7200 604800 10
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NXDOMAIN
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 17 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NXDOMAIN
SECTION QUESTION
nx2.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 17 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
RANGE_END
; start by passing time ; so we are not at 0
STEP 1 TIME_PASSES ELAPSE 10
; query for NXDOMAIN
STEP 8 QUERY
ENTRY_BEGIN
REPLY RD CD
SECTION QUESTION
nx1.example.com. IN A
ENTRY_END
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN CD
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 15 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
; wait for 5 seconds
STEP 20 TIME_PASSES ELAPSE 5
; do a lookup for nx1.example.com just to check TTLs...
STEP 25 QUERY
ENTRY_BEGIN
REPLY RD CD
SECTION QUESTION
nx1.example.com. IN A
ENTRY_END
STEP 26 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN CD
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 5 IN SOA . . 15 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
; cause a lookup that refreshes the TTL on the SOA record
STEP 30 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
nx2.example.com. IN A
ENTRY_END
STEP 31 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN
SECTION QUESTION
nx2.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 17 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
; do a lookup for nx1.example.com to check TTLs updated
STEP 35 QUERY
ENTRY_BEGIN
REPLY RD CD
SECTION QUESTION
nx1.example.com. IN A
ENTRY_END
STEP 36 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN CD
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 17 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
; cause a lookup for nx1.example.com bypassing the cache.
; with bug; this causes msg ttl for nx1 to be time(NOW)+ttl.
; so 15+5 = 20
; visiable in debug log as "msg ttl is %d"
STEP 40 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.foo.com. IN A
ENTRY_END
STEP 41 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN
SECTION QUESTION
www.foo.com. IN A
SECTION ANSWER
;www.foo.com IN A 1.2.5.6
www.foo.com IN CNAME nx1.example.com.
SECTION AUTHORITY
example.com. 10 IN SOA . . 17 28800 7200 604800 10
ENTRY_END
; now cause lookup from cache by not passing CD flag
; (validator has a look, and stores after iterator cache lookup).
STEP 45 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
nx1.example.com. IN A
ENTRY_END
STEP 46 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 10 IN SOA . . 17 28800 7200 604800 10
SECTION ADDITIONAL
ENTRY_END
; the message should timeout in 5 seconds, wait 7
STEP 50 TIME_PASSES ELAPSE 7
; it is still there? (nonRD query)
STEP 55 QUERY
ENTRY_BEGIN
REPLY
SECTION QUESTION
nx1.example.com. IN A
ENTRY_END
; this answer is the bug - NXDOMAIN too long in the cache.
;STEP 56 CHECK_ANSWER
;ENTRY_BEGIN
;MATCH all ttl
;REPLY QR RA NXDOMAIN
;SECTION QUESTION
;nx1.example.com. IN A
;SECTION ANSWER
;SECTION AUTHORITY
;example.com. 3 IN SOA . . 17 28800 7200 604800 10
;SECTION ADDITIONAL
;ENTRY_END
; Now the correct answer: no such cached query.
STEP 56 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RA NOERROR
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. IN NS ns.example.com.
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ENTRY_END
SCENARIO_END
|
