File: iter_cname_cache.rpl

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; config options
server:
	target-fetch-policy: "0 0 0 0 0"

stub-zone:
	name: "."
	stub-addr: 193.0.14.129 	# K.ROOT-SERVERS.NET.
CONFIG_END

SCENARIO_BEGIN Test iterative resolve with cached cname for nameserver
; example.com NS ns.example.com   en ns2.example.com
; ns.example.com CNAME ns.bla.nl
; ns.bla.nl A ....
; dan timeout van A record uit cache - refetch.
; ns2.example.com timeed niet uit ; maar geeft altijd servfail.


; 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 qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
a.gtld-servers.net.	IN 	AAAA
SECTION ANSWER
SECTION ADDITIONAL
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 subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
nl. IN A
SECTION AUTHORITY
nl.	IN NS	ns2.nic.nl.
SECTION ADDITIONAL
ns2.nic.nl.	IN 	A	192.1.1.2
ENTRY_END
RANGE_END

; a.gtld-servers.net.  ".com"
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.
example.com.	IN NS	ns2.example.com.
SECTION ADDITIONAL
;;; but really a CNAME in child server
ns.example.com.  1 IN A 1.2.3.4
ns2.example.com.  IN A 1.2.3.5
ns2.example.com.  IN AAAA 2002::5
ENTRY_END

; lame answers back to root for .nl (.com server not authoritative for .nl)
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
nl. IN A
SECTION AUTHORITY
. IN NS	K.ROOT-SERVERS.NET.
SECTION ADDITIONAL
K.ROOT-SERVERS.NET.	IN	A	193.0.14.129
ENTRY_END

RANGE_END

; ns2.nic.nl  ".nl"
RANGE_BEGIN 0 100
	ADDRESS 192.1.1.2

ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
bla.nl. IN A
SECTION AUTHORITY
bla.nl.	IN NS ns.bla.nl.
SECTION ADDITIONAL
ns.bla.nl. IN A 1.2.3.6
ENTRY_END

RANGE_END

; ns.bla.nl  "bla..nl"
RANGE_BEGIN 0 100
	ADDRESS 1.2.3.6

ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
ns.bla.nl. IN A
SECTION ANSWER
ns.bla.nl. IN A 1.2.3.6
SECTION AUTHORITY
bla.nl.	IN NS ns.bla.nl.
SECTION ADDITIONAL
ENTRY_END

ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
ns.bla.nl. IN AAAA
SECTION ANSWER
SECTION AUTHORITY
bla.nl. IN SOA bla.nl. bla.nl. 1 2 3 4 5
SECTION ADDITIONAL
ENTRY_END

ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
ns.bla.nl. IN MX
SECTION ANSWER
ns.bla.nl. IN MX 10 bla.nl.
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
ENTRY_END
RANGE_END

; ns.example.com "example.com"
RANGE_BEGIN 0 100
	ADDRESS 1.2.3.4
ENTRY_BEGIN
MATCH opcode qname
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
ns.example.com. IN MX
SECTION ANSWER
ns.example.com IN CNAME ns.bla.nl.
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
ENTRY_END
RANGE_END

; ns2.example.com "example.com"
; bad failing server
RANGE_BEGIN 0 100
	ADDRESS 1.2.3.5
ENTRY_BEGIN
MATCH opcode 
ADJUST copy_id copy_query
REPLY QR SERVFAIL
SECTION QUESTION
ns.example.com. IN MX
SECTION ANSWER
ENTRY_END
RANGE_END

; ns2.example.com "example.com"
; bad failing server
RANGE_BEGIN 0 100
	ADDRESS 2002::5
ENTRY_BEGIN
MATCH opcode 
ADJUST copy_id copy_query
REPLY QR SERVFAIL
SECTION QUESTION
ns.example.com. IN MX
SECTION ANSWER
ENTRY_END
RANGE_END

; get cname in cache.  use MX query 
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
ns.example.com. IN MX
ENTRY_END

STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA NOERROR
SECTION QUESTION
ns.example.com. IN MX
SECTION ANSWER
ns.example.com. IN CNAME ns.bla.nl
ns.bla.nl. IN MX  10 bla.nl.
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END

; get seconds to pass to timeout the A record
STEP 15 TIME_PASSES ELAPSE 5

; get into trouble getting cname for nameserver.
STEP 20 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END

STEP 30 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. IN A 10.20.30.40
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END

; there may still be pending ns.bla.nl AAAA queries ; get rid of them like this
STEP 40 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
ns.bla.nl. IN AAAA
ENTRY_END

STEP 50 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA NOERROR
SECTION QUESTION
ns.bla.nl. IN AAAA
SECTION ANSWER
SECTION AUTHORITY
bla.nl. IN SOA bla.nl. bla.nl. 1 2 3 4 5
SECTION ADDITIONAL
ENTRY_END

SCENARIO_END