diff options
Diffstat (limited to 'dns/unbound')
-rw-r--r-- | dns/unbound/Makefile | 1 | ||||
-rw-r--r-- | dns/unbound/files/patch-fix-ipv6 | 348 |
2 files changed, 349 insertions, 0 deletions
diff --git a/dns/unbound/Makefile b/dns/unbound/Makefile index 40501dcf7295..5cf35703b851 100644 --- a/dns/unbound/Makefile +++ b/dns/unbound/Makefile @@ -7,6 +7,7 @@ PORTNAME= unbound PORTVERSION= 1.4.1 +PORTREVISION= 1 CATEGORIES= dns MASTER_SITES= http://unbound.net/downloads/ diff --git a/dns/unbound/files/patch-fix-ipv6 b/dns/unbound/files/patch-fix-ipv6 new file mode 100644 index 000000000000..7f7d99e0c715 --- /dev/null +++ b/dns/unbound/files/patch-fix-ipv6 @@ -0,0 +1,348 @@ +Index: iterator/iter_delegpt.c +=================================================================== +--- iterator/iter_delegpt.c (revision 1952) ++++ iterator/iter_delegpt.c (revision 1953) +@@ -154,11 +154,13 @@ + /* ignore it */ + return 1; + } +- if(addr_is_ip6(addr, addrlen)) +- ns->got6 = 1; +- else ns->got4 = 1; +- if(ns->got4 && ns->got6) +- ns->resolved = 1; ++ if(!lame) { ++ if(addr_is_ip6(addr, addrlen)) ++ ns->got6 = 1; ++ else ns->got4 = 1; ++ if(ns->got4 && ns->got6) ++ ns->resolved = 1; ++ } + return delegpt_add_addr(dp, region, addr, addrlen, bogus, lame, nodup); + } + +@@ -254,10 +256,11 @@ + (dp->bogus?" BOGUS":"") ); + } + for(a = dp->target_list; a; a = a->next_target) { +- if(a->bogus) +- log_addr(VERB_ALGO, " BOGUS ", +- &a->addr, a->addrlen); +- else log_addr(VERB_ALGO, " ", &a->addr, a->addrlen); ++ const char* str = " "; ++ if(a->bogus && a->lame) str = " BOGUS ADDR_LAME "; ++ else if(a->bogus) str = " BOGUS "; ++ else if(a->lame) str = " ADDR_LAME "; ++ log_addr(VERB_ALGO, str, &a->addr, a->addrlen); + } + } + } +@@ -448,3 +451,13 @@ + } + } + } ++ ++void delegpt_no_ipv6(struct delegpt* dp) ++{ ++ struct delegpt_ns* ns; ++ for(ns = dp->nslist; ns; ns = ns->next) { ++ /* no ipv6, so only ipv4 is enough to resolve a nameserver */ ++ if(ns->got4) ++ ns->resolved = 1; ++ } ++} +Index: iterator/iter_delegpt.h +=================================================================== +--- iterator/iter_delegpt.h (revision 1952) ++++ iterator/iter_delegpt.h (revision 1953) +@@ -314,4 +314,11 @@ + */ + void delegpt_add_neg_msg(struct delegpt* dp, struct msgreply_entry* msg); + ++/** ++ * Register the fact that there is no ipv6 and thus AAAAs are not going ++ * to be queried for or be useful. ++ * @param dp: the delegation point. Updated to reflect no ipv6. ++ */ ++void delegpt_no_ipv6(struct delegpt* dp); ++ + #endif /* ITERATOR_ITER_DELEGPT_H */ +Index: iterator/iterator.c +=================================================================== +--- iterator/iterator.c (revision 1952) ++++ iterator/iterator.c (revision 1953) +@@ -1305,6 +1305,8 @@ + verbose(VERB_QUERY, "Failed to get a delegation, giving up"); + return error_response(qstate, id, LDNS_RCODE_SERVFAIL); + } ++ if(!ie->supports_ipv6) ++ delegpt_no_ipv6(iq->dp); + delegpt_log(VERB_ALGO, iq->dp); + + if(iq->num_current_queries>0) { +Index: doc/Changelog +=================================================================== +--- doc/Changelog (revision 1952) ++++ doc/Changelog (revision 1953) +@@ -1,3 +1,11 @@ ++8 January 2010: Wouter ++ - Fix for parent-child disagreement code which could have trouble ++ when (a) ipv6 was disabled and (b) the TTL for parent and child ++ were different. There were two bugs, the parent-side information ++ is fixed to no longer block lookup of child side information and ++ the iterator is fixed to no longer attempt to get ipv6 when it is ++ not enabled and then give up in failure. ++ + 7 January 2010: Wouter + - Fixup python documentation (thanks Leo Vandewoestijne). + - Work on cache prefetch feature. +Index: testdata/iter_pcttl.rpl +=================================================================== +--- testdata/iter_pcttl.rpl (revision 0) ++++ testdata/iter_pcttl.rpl (revision 1953) +@@ -0,0 +1,245 @@ ++; config options ++server: ++ target-fetch-policy: "0 0 0 0 0" ++ do-ip6: no ++ ++stub-zone: ++ name: "." ++ stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. ++CONFIG_END ++ ++SCENARIO_BEGIN Test cache ttls where parent child differ in ttl ++; and the lameness for parent suddenly becomes the only information point. ++ ++; 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 NS ++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 ++net. IN NS ++SECTION AUTHORITY ++net. IN NS e.gtld-servers.net. ++SECTION ADDITIONAL ++e.gtld-servers.net. IN A 192.12.94.30 ++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 NS ++SECTION AUTHORITY ++example.com. IN NS ns.foo.com. ++SECTION ADDITIONAL ++;ns.foo.com. 200 IN A 1.2.3.44 ++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. 200 IN NS ns.foo.com. ++SECTION ADDITIONAL ++ns.foo.com. 200 IN A 1.2.3.44 ++ENTRY_END ++ ++RANGE_END ++ ++; e.gtld-servers.net. ++RANGE_BEGIN 0 100 ++ ADDRESS 192.12.94.30 ++ENTRY_BEGIN ++MATCH opcode qtype qname ++ADJUST copy_id ++REPLY QR NOERROR ++SECTION QUESTION ++net. IN NS ++SECTION ANSWER ++net. IN NS e.gtld-servers.net. ++SECTION ADDITIONAL ++e.gtld-servers.net. IN A 192.12.94.30 ++ENTRY_END ++ ++RANGE_END ++ ++; ns.foo.com. ++; The parent-IP version ++RANGE_BEGIN 0 100 ++ ADDRESS 1.2.3.44 ++ENTRY_BEGIN ++MATCH opcode qtype qname ++ADJUST copy_id ++REPLY AA QR NOERROR ++SECTION QUESTION ++foo.com. IN NS ++SECTION ANSWER ++foo.com. 200 IN NS ns.foo.com. ++SECTION ADDITIONAL ++ns.foo.com. 100 IN A 1.2.3.44 ++ENTRY_END ++ ++ENTRY_BEGIN ++MATCH opcode qtype qname ++ADJUST copy_id ++REPLY AA QR NOERROR ++SECTION QUESTION ++ns.foo.com. IN A ++SECTION ANSWER ++ns.foo.com. 100 IN A 1.2.3.44 ++SECTION AUTHORITY ++foo.com. 200 IN NS ns.foo.com. ++ENTRY_END ++ ++ENTRY_BEGIN ++MATCH opcode qtype qname ++ADJUST copy_id ++REPLY AA QR NOERROR ++SECTION QUESTION ++ns.foo.com. IN AAAA ++SECTION AUTHORITY ++foo.com. 100 IN SOA . . 1 2 3 4 5 ++ENTRY_END ++ ++ENTRY_BEGIN ++MATCH opcode qtype qname ++ADJUST copy_id ++REPLY AA QR NOERROR ++SECTION QUESTION ++example.com. IN NS ++SECTION ANSWER ++example.com. 200 IN NS ns.foo.com. ++ENTRY_END ++ ++ENTRY_BEGIN ++MATCH opcode qtype qname ++ADJUST copy_id ++REPLY AA QR NOERROR ++SECTION QUESTION ++www.example.com. IN A ++SECTION ANSWER ++www.example.com. 100 IN A 10.20.30.40 ++SECTION AUTHORITY ++example.com. 200 IN NS ns.foo.com. ++SECTION ADDITIONAL ++ns.foo.com 100 IN A 1.2.3.44 ++ENTRY_END ++RANGE_END ++ ++; NOT USED. The parent side equals child side but not in the cache. ++; and they have different TTLs only. ++; ns.foo.com ++; The child IP version. Does not respond to anything (servfail instead ++; of timeouts since this is easier to encode in .rpl file format). ++RANGE_BEGIN 0 100 ++ ADDRESS 1.2.3.55 ++ENTRY_BEGIN ++MATCH opcode ++ADJUST copy_id copy_query ++REPLY QR SERVFAIL ++SECTION QUESTION ++foo.com. IN NS ++SECTION ANSWER ++ENTRY_END ++ ++RANGE_END ++ ++STEP 1 QUERY ++ENTRY_BEGIN ++REPLY RD ++SECTION QUESTION ++www.example.com. IN A ++ENTRY_END ++ ++; recursion happens here. ++STEP 20 CHECK_ANSWER ++ENTRY_BEGIN ++MATCH all ++REPLY QR RD RA NOERROR ++SECTION QUESTION ++www.example.com. IN A ++SECTION ANSWER ++www.example.com. 100 IN A 10.20.30.40 ++SECTION AUTHORITY ++example.com. 100 IN NS ns.foo.com. ++; scrubbed off ++;SECTION ADDITIONAL ++;ns.foo.com IN A 1.2.3.44 ++ENTRY_END ++ ++; Now we wait 101 seconds, and the child data is gone, ++; but the parent-side was cached for 200 and it still there. ++ ++STEP 30 TIME_PASSES ELAPSE 101 ++ ++STEP 40 QUERY ++ENTRY_BEGIN ++REPLY RD ++SECTION QUESTION ++www.example.com. IN A ++ENTRY_END ++ ++; recursion happens here. ++STEP 50 CHECK_ANSWER ++ENTRY_BEGIN ++MATCH all ++REPLY QR RD RA NOERROR ++SECTION QUESTION ++www.example.com. IN A ++SECTION ANSWER ++www.example.com. 100 IN A 10.20.30.40 ++SECTION AUTHORITY ++example.com. 100 IN NS ns.foo.com. ++; scrubbed off ++;SECTION ADDITIONAL ++;ns.foo.com IN A 1.2.3.44 ++ENTRY_END ++ ++SCENARIO_END |