mirror of
https://github.com/NLnetLabs/unbound.git
synced 2024-09-21 14:47:09 +00:00
3ec74d1e3a
up to parent to not cause delegation invalidation because of an expired child delegation that would never be updated. Most likely to happen without qname-minimisation. Reported by Roland van Rijswijk-Deij.
257 lines
4.8 KiB
Plaintext
257 lines
4.8 KiB
Plaintext
; config options
|
|
server:
|
|
target-fetch-policy: "0 0 0 0 0"
|
|
qname-minimisation: "no"
|
|
minimal-responses: no
|
|
|
|
stub-zone:
|
|
name: "."
|
|
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
|
|
CONFIG_END
|
|
|
|
SCENARIO_BEGIN Test that deep delegation from the parent deletes intermediate delegations to avoid triggering the ghost domain countermeasure.
|
|
|
|
; K.ROOT-SERVERS.NET.
|
|
RANGE_BEGIN 0 19
|
|
ADDRESS 193.0.14.129
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
. IN NS
|
|
SECTION ANSWER
|
|
. 86400 IN NS K.ROOT-SERVERS.NET.
|
|
SECTION ADDITIONAL
|
|
K.ROOT-SERVERS.NET. 86400 IN A 193.0.14.129
|
|
ENTRY_END
|
|
|
|
; we will explicitly ask for this
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id copy_query
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
com. IN NS
|
|
SECTION AUTHORITY
|
|
com. 10 IN NS a.gtld-servers.net.
|
|
SECTION ADDITIONAL
|
|
a.gtld-servers.net. 86400 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 NS
|
|
SECTION AUTHORITY
|
|
example.com. 86400 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 86400 IN A 1.2.3.4
|
|
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. 10 IN NS a.gtld-servers.net.
|
|
SECTION ADDITIONAL
|
|
a.gtld-servers.net. 86400 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 NS
|
|
SECTION AUTHORITY
|
|
example.com. IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 1.2.3.4
|
|
ENTRY_END
|
|
RANGE_END
|
|
|
|
; 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
|
|
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
|
|
ns.example.com. IN AAAA
|
|
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 NOERROR
|
|
SECTION QUESTION
|
|
a.example.com. IN A
|
|
SECTION ANSWER
|
|
a.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 NOERROR
|
|
SECTION QUESTION
|
|
b.example.com. IN A
|
|
SECTION ANSWER
|
|
b.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 NOERROR
|
|
SECTION QUESTION
|
|
c.example.com. IN A
|
|
SECTION ANSWER
|
|
c.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
|
|
RANGE_END
|
|
|
|
; get the com. IN NS delegation in cache
|
|
STEP 0 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
com. IN NS
|
|
ENTRY_END
|
|
|
|
STEP 1 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA NOERROR
|
|
SECTION QUESTION
|
|
com. IN NS
|
|
SECTION ANSWER
|
|
com. 10 IN NS a.gtld-servers.net.
|
|
ENTRY_END
|
|
|
|
STEP 2 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
a.example.com. IN A
|
|
ENTRY_END
|
|
|
|
STEP 3 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all
|
|
REPLY QR RD RA NOERROR
|
|
SECTION QUESTION
|
|
a.example.com. IN A
|
|
SECTION ANSWER
|
|
a.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
|
|
|
|
; time passes for com. IN NS to expire.
|
|
STEP 9 TIME_PASSES ELAPSE 11
|
|
|
|
; the following query should go to the root instead of example.com. IN NS
|
|
; because com. IN NS is expired
|
|
STEP 10 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
b.example.com. IN A
|
|
ENTRY_END
|
|
|
|
; root replies with the example.com IN NS delegation
|
|
; the expired com. IN NS delegation should be deleted
|
|
STEP 12 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all
|
|
REPLY QR RD RA NOERROR
|
|
SECTION QUESTION
|
|
b.example.com. IN A
|
|
SECTION ANSWER
|
|
b.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
|
|
|
|
; root is offline in this range.
|
|
; the following query should go straight to the example.com. IN NS delegation
|
|
; because the expired com. IN NS should not be in the cache anymore
|
|
STEP 20 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
c.example.com. IN A
|
|
ENTRY_END
|
|
|
|
STEP 21 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all
|
|
REPLY QR RD RA NOERROR
|
|
SECTION QUESTION
|
|
c.example.com. IN A
|
|
SECTION ANSWER
|
|
c.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
|
|
|
|
SCENARIO_END
|