diff options
Diffstat (limited to 'contrib/unbound/testdata/cachedb_expired_client_timeout.crpl')
| -rw-r--r-- | contrib/unbound/testdata/cachedb_expired_client_timeout.crpl | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/contrib/unbound/testdata/cachedb_expired_client_timeout.crpl b/contrib/unbound/testdata/cachedb_expired_client_timeout.crpl new file mode 100644 index 000000000000..78ddf4d8f698 --- /dev/null +++ b/contrib/unbound/testdata/cachedb_expired_client_timeout.crpl @@ -0,0 +1,343 @@ +; config options +server: + target-fetch-policy: "0 0 0 0 0" + qname-minimisation: no + minimal-responses: no + serve-expired: yes + serve-expired-reply-ttl: 30 + ; at least one second, so we can time skip past the timer in the + ; testbound script steps, but also reply within the time. + serve-expired-client-timeout: 1200 + module-config: "cachedb iterator" + discard-timeout: 3000 + +cachedb: + backend: "testframe" + secret-seed: "testvalue" + cachedb-check-when-serve-expired: yes + +stub-zone: + name: "." + stub-addr: 193.0.14.129 +CONFIG_END + +SCENARIO_BEGIN Test cachedb and serve-expired-client-timeout. + +; K.ROOT-SERVERS.NET. +RANGE_BEGIN 0 400 + 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 NS +SECTION AUTHORITY +com. IN NS a.gtld-servers.net. +SECTION ADDITIONAL +a.gtld-servers.net. IN A 192.5.6.30 +ENTRY_END +RANGE_END + +; a.gtld-servers.net. +RANGE_BEGIN 0 400 + ADDRESS 192.5.6.30 +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 ns2.example.com. +SECTION ADDITIONAL +ns2.example.com. IN A 1.2.3.5 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode subdomain +ADJUST copy_id copy_query +REPLY QR NOERROR +SECTION QUESTION +foo.com. IN NS +SECTION AUTHORITY +foo.com. IN NS ns.example.com. +ENTRY_END +RANGE_END + +; ns2.example.com. +RANGE_BEGIN 0 60 + ADDRESS 1.2.3.5 +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. 10 IN A 1.2.3.4 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 10 IN A 1.2.3.5 +ENTRY_END +RANGE_END + +; ns2.example.com. - after a change +RANGE_BEGIN 80 90 + ADDRESS 1.2.3.5 +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. 10 IN A 1.2.3.6 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 10 IN A 1.2.3.7 +ENTRY_END +RANGE_END + +; ns2.example.com. - steps 90-120 not responding. + +; ns2.example.com. - after a change +RANGE_BEGIN 130 140 + ADDRESS 1.2.3.5 +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. 10 IN A 1.2.3.8 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 10 IN A 1.2.3.9 +ENTRY_END +RANGE_END + +; ns2.example.com. - steps 150-160 not responding. + +; ns2.example.com. - after a change +RANGE_BEGIN 170 200 + ADDRESS 1.2.3.5 +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. 10 IN A 1.2.3.10 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qname qtype +REPLY QR AA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 10 IN A 1.2.3.11 +ENTRY_END +RANGE_END + +; make time not 0 +STEP 2 TIME_PASSES ELAPSE 212 + +; Get an entry in cache. +STEP 4 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www.example.com. IN A +ENTRY_END + +; get the answer for it +STEP 10 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. 10 IN A 1.2.3.4 +ENTRY_END + +; Get another query in cache. +STEP 20 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www2.example.com. IN A +ENTRY_END + +; get the answer for it +STEP 30 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 10 IN A 1.2.3.5 +ENTRY_END + +; www.example.com and www2.example.com are in cache, www2 in cachedb. +STEP 40 FLUSH_MESSAGE www2.example.com. IN A +; now www in cache, www2 not in cache, www2 in cachedb. +; because of the client timeout, it should be able to use the +; response from cachedb for www2. + +; make 2 seconds pass to decrement the TTL on the response, +; the upstream TTL would be 10, cachedb 8. +STEP 48 TIME_PASSES ELAPSE 2 + +STEP 50 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www2.example.com. IN A +ENTRY_END + +STEP 60 CHECK_ANSWER +ENTRY_BEGIN +MATCH all ttl +REPLY QR RD RA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 8 IN A 1.2.3.5 +ENTRY_END + +; make both cache and cachedb expired +STEP 70 TIME_PASSES ELAPSE 20 + +; www and www2 expired in cache, www2 expired in cachedb. +; the query should now try to resolve and complete within the +; client timeout, and return the upstream version. +; the upstream is changed to give a different one now. +STEP 80 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www2.example.com. IN A +ENTRY_END + +STEP 90 CHECK_ANSWER +ENTRY_BEGIN +MATCH all ttl +REPLY QR RD RA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 10 IN A 1.2.3.7 +ENTRY_END + +; expire the data again +STEP 100 TIME_PASSES ELAPSE 20 + +; the query should now try to resolve, but the upstream is not +; responsive for several testbound steps. When the timer expires, +; the expired answer should be returned. + +; www2 expired in cache and www2 expired in cachedb. +STEP 110 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www2.example.com. IN A +ENTRY_END + +; make 2 seconds pass to go past the client timeout +STEP 112 TIME_PASSES ELAPSE 2 + +STEP 120 CHECK_ANSWER +ENTRY_BEGIN +MATCH all ttl +REPLY QR RD RA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 30 IN A 1.2.3.7 +ENTRY_END + +; make traffic flow to resolve the query, server responds. +STEP 130 TRAFFIC + +; expire the data again +STEP 140 TIME_PASSES ELAPSE 20 + +; The client query tries to resolve, but gets no immediate answer, +; so the expired data is used. But the expired data is in cache and +; the query is not in cachedb. +STEP 150 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www.example.com. IN A +ENTRY_END + +; make 2 seconds pass to go past the client timeout +STEP 152 TIME_PASSES ELAPSE 2 + +STEP 160 CHECK_ANSWER +ENTRY_BEGIN +MATCH all ttl +REPLY QR RD RA NOERROR +SECTION QUESTION +www.example.com. IN A +SECTION ANSWER +www.example.com. 30 IN A 1.2.3.4 +ENTRY_END + +; make traffic flow to resolve the query, server responds. +STEP 170 TRAFFIC + +; now the client query tries to resolve, and completes within the client +; timeout, but there is expired data in cache but not in cachedb. +STEP 180 QUERY +ENTRY_BEGIN +REPLY RD +SECTION QUESTION +www2.example.com. IN A +ENTRY_END + +STEP 190 CHECK_ANSWER +ENTRY_BEGIN +MATCH all ttl +REPLY QR RD RA NOERROR +SECTION QUESTION +www2.example.com. IN A +SECTION ANSWER +www2.example.com. 10 IN A 1.2.3.11 +ENTRY_END + +SCENARIO_END |