Commit graph

241 commits

Author SHA1 Message Date
Ralph Dolmans
f39692acc7 - No QNAME minimisation fall-back for NXDOMAIN answers from DNSSEC signed zones.
git-svn-id: file:///svn/unbound/trunk@3722 be551aaa-1e26-0410-a405-d3ace91eadb9
2016-05-20 14:04:27 +00:00
Wouter Wijngaards
3d60a6f446 - Fix #761: DNSSEC LAME false positive resolving nic.club.
git-svn-id: file:///svn/unbound/trunk@3720 be551aaa-1e26-0410-a405-d3ace91eadb9
2016-05-18 14:09:12 +00:00
Ralph Dolmans
5d061f13f9 - Validate QNAME minimised NXDOMAIN responses.
- If QNAME minimisation is enabled, do cache lookup for QTYPE NS in
   harden-below-nxdomain.



git-svn-id: file:///svn/unbound/trunk@3682 be551aaa-1e26-0410-a405-d3ace91eadb9
2016-03-18 15:44:41 +00:00
Ralph Dolmans
6362a12bd7 - Limit number of QNAME minimisation iterations.
git-svn-id: file:///svn/unbound/trunk@3681 be551aaa-1e26-0410-a405-d3ace91eadb9
2016-03-17 14:44:41 +00:00
Wouter Wijngaards
47e2026ca6 - Fix #746: Fix unbound sets CD bit on all forwards.
If no trust anchors, it'll not set CD bit when forwarding to another
  server.  If a trust anchor, no CD bit on the first attempt to a
  forwarder, but CD bit thereafter on repeated attempts to get DNSSEC.


git-svn-id: file:///svn/unbound/trunk@3679 be551aaa-1e26-0410-a405-d3ace91eadb9
2016-03-17 14:01:59 +00:00
Ralph Dolmans
d853b0841b Don't minimise forwarded requests.
git-svn-id: file:///svn/unbound/trunk@3575 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-12-07 15:56:47 +00:00
Ralph Dolmans
3328dc4d68 Stop minimising after receiving rcode!=NOERROR
git-svn-id: file:///svn/unbound/trunk@3573 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-12-03 15:45:52 +00:00
Ralph Dolmans
e47e31a69f Keep incrementing QNAME after receiving throwaway answer.
git-svn-id: file:///svn/unbound/trunk@3568 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-12-03 12:09:45 +00:00
Ralph Dolmans
014142d7bf Qname minimisation review fixes
git-svn-id: file:///svn/unbound/trunk@3561 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-12-01 13:14:00 +00:00
Wouter Wijngaards
3ee1dc25d5 yacced,lexed, include for undeclared function and make depend.
git-svn-id: file:///svn/unbound/trunk@3555 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-12-01 08:11:48 +00:00
Ralph Dolmans
a05bf09811 Implemented qname minimisation
git-svn-id: file:///svn/unbound/trunk@3554 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-11-30 16:10:26 +00:00
Wouter Wijngaards
152458c40b - spelling fixes from Igor Sobrado Delgado.
git-svn-id: file:///svn/unbound/trunk@3544 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-11-18 14:11:46 +00:00
Wouter Wijngaards
f03d3b870e - caps-whitelist in unbound.conf allows whitelist of loadbalancers
that cannot work with caps-for-id or its fallback.


git-svn-id: file:///svn/unbound/trunk@3420 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-05-01 12:36:16 +00:00
Wouter Wijngaards
628ff05285 - Ratelimit does not apply to prefetched queries, and ratelimit-factor
is default 10.  Repeated normal queries get resolved and with
  prefetch stay in the cache.


git-svn-id: file:///svn/unbound/trunk@3399 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-04-16 14:18:50 +00:00
Wouter Wijngaards
bc658e0361 Fixes.
git-svn-id: file:///svn/unbound/trunk@3392 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-04-10 10:57:25 +00:00
Wouter Wijngaards
e30a90febc - ratelimit feature, ratelimit: 100, or some sensible qps, can be
used to turn it on.  It ratelimits recursion effort per zone.
  For particular names you can configure exceptions in unbound.conf.


git-svn-id: file:///svn/unbound/trunk@3391 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-04-10 09:59:57 +00:00
Wouter Wijngaards
b2bdce46be - rename ldns subdirectory to sldns to avoid name collision.
git-svn-id: file:///svn/unbound/trunk@3380 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-03-26 10:21:38 +00:00
Wouter Wijngaards
6feb8fb6a5 - Fixes to add integer overflow checks on allocation (defense in depth).
git-svn-id: file:///svn/unbound/trunk@3372 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-03-20 15:36:25 +00:00
Wouter Wijngaards
7861314db3 And use best response in case 0x20 fallback done.
git-svn-id: file:///svn/unbound/trunk@3349 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-03-04 09:35:06 +00:00
Wouter Wijngaards
7e50976476 - store caps_response with best response in case downgrade response
happens to be the last one.


git-svn-id: file:///svn/unbound/trunk@3348 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-03-04 09:31:26 +00:00
Wouter Wijngaards
54771e5b3d - many nameservers does not try to compare more than max-sent-count,
parse failures start 0x20 fallback procedure.


git-svn-id: file:///svn/unbound/trunk@3347 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-03-04 09:06:05 +00:00
Wouter Wijngaards
ab62061196 - 0x20 fallback improved, better handling of servfail responses,
they do not count as missing comparisons (except if all are failed),
  and better handling of inability to find nameservers, no more
  nameservers can be found results in fallback acceptance.


git-svn-id: file:///svn/unbound/trunk@3346 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-03-04 08:30:17 +00:00
Wouter Wijngaards
3d66ef2b92 - Fix 0x20 capsforid fallback to omit gratuitous NS and additional
section changes.


git-svn-id: file:///svn/unbound/trunk@3323 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-01-30 09:35:38 +00:00
Wouter Wijngaards
42cf616fae - print query name when max target count is exceeded.
git-svn-id: file:///svn/unbound/trunk@3296 be551aaa-1e26-0410-a405-d3ace91eadb9
2015-01-05 13:12:42 +00:00
Wouter Wijngaards
f7039d8a59 - Fix CVE-2014-8602: denial of service by making resolver chase
endless series of delegations.


git-svn-id: file:///svn/unbound/trunk@3289 be551aaa-1e26-0410-a405-d3ace91eadb9
2014-12-08 15:09:18 +00:00
Wouter Wijngaards
67a3c4933c - Fix cdflag dns64 processing.
git-svn-id: file:///svn/unbound/trunk@3275 be551aaa-1e26-0410-a405-d3ace91eadb9
2014-11-19 08:43:08 +00:00
Wouter Wijngaards
b781f2d48d - Fix that CD flag disables DNS64 processing, returning the DNSSEC
signed AAAA denial.


git-svn-id: file:///svn/unbound/trunk@3273 be551aaa-1e26-0410-a405-d3ace91eadb9
2014-11-18 15:15:57 +00:00
Wouter Wijngaards
bc7f906590 - Fix caps-for-id fallback, and added fallback attempt when servers
drop 0x20 perturbed queries.


git-svn-id: file:///svn/unbound/trunk@3146 be551aaa-1e26-0410-a405-d3ace91eadb9
2014-06-24 08:24:28 +00:00
Wouter Wijngaards
eb5e9a89c4 - Fix #558: failed prefetch lookup does not remove cached response
but delays next prefetch (in lieu of caching a SERVFAIL).


git-svn-id: file:///svn/unbound/trunk@3111 be551aaa-1e26-0410-a405-d3ace91eadb9
2014-04-10 13:56:16 +00:00
Wouter Wijngaards
2b90f38a70 And fix #551 REGENT to COPYRIGHT HOLDER in license in file headings.
git-svn-id: file:///svn/unbound/trunk@3079 be551aaa-1e26-0410-a405-d3ace91eadb9
2014-02-07 13:28:39 +00:00
Wouter Wijngaards
d3cbd76546 - Fix sldns to use sldns_ prefix for all ldns_ variables.
git-svn-id: file:///svn/unbound/trunk@3022 be551aaa-1e26-0410-a405-d3ace91eadb9
2013-12-03 09:11:16 +00:00
Wouter Wijngaards
3de090dadb Fix linking of sldns and ldns, unique identifiers for global variables.
git-svn-id: file:///svn/unbound/trunk@3021 be551aaa-1e26-0410-a405-d3ace91eadb9
2013-11-30 11:03:55 +00:00
Wouter Wijngaards
29e96e86c9 - separate ldns into core ldns inside ldns/ subdirectory. No more
--with-ldns is needed and unbound does not rely on libldns.


git-svn-id: file:///svn/unbound/trunk@2998 be551aaa-1e26-0410-a405-d3ace91eadb9
2013-10-31 15:09:26 +00:00
Wouter Wijngaards
c1ce3e10d8 - Fix #528: if very high logging (4 or more) segfault on allow_snoop.
git-svn-id: file:///svn/unbound/trunk@2994 be551aaa-1e26-0410-a405-d3ace91eadb9
2013-10-22 12:01:51 +00:00
Wouter Wijngaards
c8d22543f3 - Fix#516 dnssec lameness detection for answers that are improper.
git-svn-id: file:///svn/unbound/trunk@2933 be551aaa-1e26-0410-a405-d3ace91eadb9
2013-08-08 09:29:33 +00:00
Wouter Wijngaards
bcf5b23273 - Fix#501: forward-first does not recurse, when forward name is ".".
git-svn-id: file:///svn/unbound/trunk@2907 be551aaa-1e26-0410-a405-d3ace91eadb9
2013-06-10 12:25:10 +00:00
Wouter Wijngaards
d88911eed5 - Fix queries leaking up for stubs and forwards, if the configured
nameservers all fail to answer.


git-svn-id: file:///svn/unbound/trunk@2882 be551aaa-1e26-0410-a405-d3ace91eadb9
2013-04-11 10:08:34 +00:00
Wouter Wijngaards
217ef3d9a3 - Fix forward-first option where it sets the RD flag wrongly.
git-svn-id: file:///svn/unbound/trunk@2731 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-07-31 12:53:53 +00:00
Wouter Wijngaards
3c55073799 - implemented forward_first for the root.
git-svn-id: file:///svn/unbound/trunk@2722 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-07-23 13:42:07 +00:00
Wouter Wijngaards
0f1aa80123 - Fix bug#452 and another assertion failure in mesh.c, makes
assertions in mesh.c resist duplicates.  Fixes DS NS search to
  not generate duplicate sub queries.


git-svn-id: file:///svn/unbound/trunk@2718 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-07-20 13:08:19 +00:00
Wouter Wijngaards
1467c5de52 - code review: return value of cache_store can be ignored for better
performance in out of memory conditions.


git-svn-id: file:///svn/unbound/trunk@2704 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-06-28 14:18:41 +00:00
Wouter Wijngaards
fa3337d42a - new approach to NS fetches for DS lookup that works with
cornercases, and is more robust and considers forwarders.


git-svn-id: file:///svn/unbound/trunk@2646 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-03-21 15:01:01 +00:00
Wouter Wijngaards
0d5441bd8a - fix to locate nameservers for DS lookup with NS fetches.
git-svn-id: file:///svn/unbound/trunk@2645 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-03-19 15:44:21 +00:00
Wouter Wijngaards
1736d8078a - forward-first option. Tries without forward if a query fails.
Also stub-first option that is similar.


git-svn-id: file:///svn/unbound/trunk@2637 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-03-01 13:16:40 +00:00
Wouter Wijngaards
773d8e3b84 Fix prefetch and stickyness.
git-svn-id: file:///svn/unbound/trunk@2632 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-02-16 11:04:53 +00:00
Wouter Wijngaards
8e1cb52458 - iter_hints is now thread-owned in module env, and thus threadsafe.
git-svn-id: file:///svn/unbound/trunk@2629 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-02-16 09:55:50 +00:00
Wouter Wijngaards
6dd2c0467e - Fix bug #425: unbound reports wrong TTL in reply, it reports a TTL
that would be permissible by the RFCs but it is not the TTL in the
  cache.


git-svn-id: file:///svn/unbound/trunk@2581 be551aaa-1e26-0410-a405-d3ace91eadb9
2012-01-10 09:42:32 +00:00
Wouter Wijngaards
a1c76554a2 - Makefile changed for BSD make compatibility.
git-svn-id: file:///svn/unbound/trunk@2544 be551aaa-1e26-0410-a405-d3ace91eadb9
2011-11-10 18:44:06 +00:00
Wouter Wijngaards
11f5e16932 infra cache consolidated and stores per zone, IP.
git-svn-id: file:///svn/unbound/trunk@2525 be551aaa-1e26-0410-a405-d3ace91eadb9
2011-10-26 15:46:23 +00:00
Wouter Wijngaards
d9ceec4005 better sent count handling
git-svn-id: file:///svn/unbound/trunk@2500 be551aaa-1e26-0410-a405-d3ace91eadb9
2011-09-16 14:15:13 +00:00