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Client Cache (#275)

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This PR adds experimental support for a client cache provided as a pass
through transport
This commit is contained in:
Philip Homburg
2024-03-12 10:32:21 +01:00
parent 1e25edb277
commit 4d13fe8998
48 changed files with 6946 additions and 212 deletions
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test-data/client-cache/cache_case.rpl
+198
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; Test if case-insensitive caching works properly. First we issue a query
; with the first letter capitalized and the rest lower case.
; Then we issue a test with another letter capitalized. Make sure that we
; get an answer from the cache.
do-ip6: no
; config options
; target-fetch-policy: "3 2 1 0 0"
; name: "."
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
CONFIG_END
SCENARIO_BEGIN Test AD flag set followed by AD flag clear.
; 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
; net.
ENTRY_BEGIN
MATCH opcode qname
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
net. IN NS
SECTION AUTHORITY
. IN SOA . . 0 0 0 0 0
ENTRY_END
; root-servers.net.
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
root-servers.net. IN NS
SECTION ANSWER
root-servers.net. IN NS k.root-servers.net.
SECTION ADDITIONAL
k.root-servers.net. IN A 193.0.14.129
ENTRY_END
ENTRY_BEGIN
MATCH opcode qname
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
root-servers.net. IN A
SECTION AUTHORITY
root-servers.net. IN SOA . . 0 0 0 0 0
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
k.root-servers.net. IN A
SECTION ANSWER
k.root-servers.net. IN A 193.0.14.129
SECTION ADDITIONAL
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
k.root-servers.net. IN AAAA
SECTION AUTHORITY
root-servers.net. IN SOA . . 0 0 0 0 0
ENTRY_END
; gtld-servers.net.
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
gtld-servers.net. IN NS
SECTION ANSWER
gtld-servers.net. IN NS a.gtld-servers.net.
SECTION ADDITIONAL
a.gtld-servers.net. IN A 192.5.6.30
ENTRY_END
ENTRY_BEGIN
MATCH opcode qname
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
gtld-servers.net. IN A
SECTION AUTHORITY
gtld-servers.net. IN SOA . . 0 0 0 0 0
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
a.gtld-servers.net. IN A
SECTION ANSWER
a.gtld-servers.net. IN A 192.5.6.30
SECTION ADDITIONAL
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
a.gtld-servers.net. IN AAAA
SECTION AUTHORITY
gtld-servers.net. IN SOA . . 0 0 0 0 0
ENTRY_END
RANGE_END
; a.gtld-servers.net.
RANGE_BEGIN 0 9
ADDRESS 192.5.6.30
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id copy_query
REPLY QR RD NOERROR
SECTION QUESTION
Example.com. IN AAAA
SECTION ANSWER
Example.com. IN AAAA 2606:2800:220:1:248:1893:25c8:1946
ENTRY_END
RANGE_END
; a.gtld-servers.net.
RANGE_BEGIN 10 19
ADDRESS 192.5.6.30
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id copy_query
REPLY QR RD NOERROR
SECTION QUESTION
eXample.com. IN AAAA
SECTION ANSWER
eXample.com. IN AAAA 2001:DB8::1
ENTRY_END
RANGE_END
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
Example.com. IN AAAA
ENTRY_END
STEP 2 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD NOERROR
SECTION QUESTION
Example.com. IN AAAA
SECTION ANSWER
Example.com. IN AAAA 2606:2800:220:1:248:1893:25c8:1946
ENTRY_END
STEP 10 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
eXample.com. IN AAAA
ENTRY_END
STEP 11 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD NOERROR
SECTION QUESTION
eXample.com. IN AAAA
SECTION ANSWER
Example.com. IN AAAA 2606:2800:220:1:248:1893:25c8:1946
ENTRY_END
SCENARIO_END