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602 Commits

Author SHA1 Message Date
W.C.A. Wijngaards
24e0f0ab7e - Fix to limit NSEC and NSEC3 TTL when aggressive nsec is 
enabled (RFC9077).
 2024-09-10 10:13:48 +02:00
W.C.A. Wijngaards
1e0cf1e86b - Merge patch to fix for glue that is outside of zone, with 
`harden-unverified-glue`, from Karthik Umashankar (Microsoft).
  Enabling this option protects the Unbound resolver against bad
  glue, that is unverified out of zone glue, by resolving them.
  It uses the records as last resort if there is no other working
  glue.
 2024-08-23 08:56:48 +02:00
W.C.A. Wijngaards
3d350fa73d - Add iter-scrub-ns, iter-scrub-cname and max-global-quota 
configuration options.
 2024-08-20 14:08:52 +02:00
W.C.A. Wijngaards
b4519012dc - Fix CacheFlush issues with limit on NS RRs. Thanks to Yehuda Afek, 
Anat Bremler-Barr, Shoham Danino and Yuval Shavitt (Tel-Aviv
  University and Reichman University).
 2024-08-08 09:28:44 +02:00
W.C.A. Wijngaards
ed883238fd - Fix CAMP issues with global quota. Thanks to Huayi Duan, Marco 
Bearzi, Jodok Vieli, and Cagin Tanir from NetSec group, ETH Zurich.
 2024-08-08 09:27:45 +02:00
W.C.A. Wijngaards
03b511b1a2 - Fix for #1114: Fix that cache fill for forward-host names is 
performed, so that with nonzero target-fetch-policy it fetches
  forwarder addresses and uses them from cache. Also updated that
  delegation point cache fill routines use CDflag for AAAA message
  lookups, so that its negative lookup stops a recursion since the
  cache uses the bit for disambiguation for dns64 but the recursion
  uses CDflag for the AAAA target lookups, so the check correctly
  stops a useless recursion by its cache lookup.
 2024-07-31 11:42:44 +02:00
W.C.A. Wijngaards
a335e601e4 ipset-pf-support, move startup and destartup to the front of the module 
func block functions, modstack call deinit function names, and detect
module change when no startup functions are needed.
 2024-07-03 13:53:44 +02:00
W.C.A. Wijngaards
ff653a7ef8 Call module init init again, and new function startup and destartup. 
NULL can be used if the function is not used. Open shared ports during
reload. Deinit is called during reload.
 2024-07-01 16:10:07 +02:00
W.C.A. Wijngaards
3953f827fb Merge branch 'master' of https://github.com/madroach/unbound into ipset-pf-support 2024-07-01 14:36:33 +02:00
W.C.A. Wijngaards
47956de897 - Fix to enable that SERVFAIL is cached, for a short period, for more 
cases. In the cases where limits are exceeded.
 2024-05-27 13:53:16 +02:00
Yorgos Thessalonikefs
3ff5c7a74d
Fix rtt assignement for low values of infra-cache-max-rtt (#1070) 
* Fix rtt assignement for still useful servers when a low value for
  infra-cache-max-rtt is configured.
 2024-05-16 13:42:32 +02:00
W.C.A. Wijngaards
7de009f99a - Fix when the mesh jostle is exceeded that nameserver targets are 
marked as resolved, so that the lookup is not stuck on the
  requestlist.
 2024-05-10 09:50:35 +02:00
Yorgos Thessalonikefs
63a6b7b255 - Cleanup unnecessary strdup calls for EDE strings. 2024-04-29 10:15:19 +02:00
Wouter Wijngaards
ced9762b14
Merge pull request #1041 from NLnetLabs/stubfwd-unshare 
Stub and Forward unshare
 2024-04-25 11:11:00 +02:00
Yorgos Thessalonikefs
9b9bba9f02
Update locking management for iter_fwd and iter_hints methods. (#1054) 
fast reload, move most of the locking management to iter_fwd and
iter_hints methods. The caller still has the ability to handle its
own locking, if desired, for atomic operations on sets of different
structs.

Co-authored-by: Wouter Wijngaards <wcawijngaards@users.noreply.github.com>
 2024-04-25 11:05:58 +02:00
Yorgos Thessalonikefs
3ec74d1e3a - When a granchild delegation is returned, remove any cached child delegations 
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.
 2024-04-22 15:46:06 +02:00
W.C.A. Wijngaards
d7353e6e99 - fast-reload, helpful comments for hints lookup function return value. 2024-04-03 13:55:57 +02:00
W.C.A. Wijngaards
48113cfaba - fast-reload, unshared stub hints, making the structure locked, with an rwlock. 2024-04-03 13:55:57 +02:00
W.C.A. Wijngaards
f2fb498c69 - fast-reload, unshare forwards, making the structure locked, with an rwlock. 2024-04-03 13:55:54 +02:00
W.C.A. Wijngaards
fef974ca5c - Fix rpz so that rpz CNAME can apply after rpz CNAME. And fix that 
clientip and nsip can give a CNAME.
 2024-03-19 09:32:53 +01:00
W.C.A. Wijngaards
8dbf46913b - Fix rpz for qtype CNAME after nameserver trigger. 2024-03-18 14:36:29 +01:00
W.C.A. Wijngaards
79e25e192c - Fix that rpz CNAME content is limited to the max number of cnames. 2024-03-18 11:25:29 +01:00
W.C.A. Wijngaards
4b54d8e15e - Fix rpz for cname override action after nsdname and nsip triggers. 2024-03-13 17:14:14 +01:00
W.C.A. Wijngaards
e361f6b284 - Fix qname minimisation for reply with a DNAME for qtype CNAME that 
answers it.
 2024-03-08 16:33:17 +01:00
W.C.A. Wijngaards
be626f7c53 - Fix edns subnet replies for scope zero answers to not get stored 
in the global cache, and in cachedb, when the upstream replies
  without an EDNS record.
 2024-03-04 13:20:13 +01:00
W.C.A. Wijngaards
b9b488b6d3 - Remove unneeded newlines and improve indentation in remote control 
code.
 2024-01-04 17:06:15 +01:00
Yorgos Thessalonikefs
8517f49745 - Use the origin (DNAME) TTL for syntesized CNAMEs as per RFC 6672. 2023-12-06 23:40:01 +01:00
W.C.A. Wijngaards
a8739bad76 - Updated IPv4 and IPv6 address for b.root-servers.net in root hints. 2023-12-06 13:25:58 +01:00
W.C.A. Wijngaards
0f78bea4a3 - Fix #954: Inconsistent RPZ handling for A record returned along with 
CNAME.
 2023-10-17 16:47:04 +02:00
W.C.A. Wijngaards
1e85749e6e Merge branch 'master' into disable-edns-do 2023-10-05 15:57:41 +02:00
W.C.A. Wijngaards
b865aca03a - Fix #946: Forwarder returns servfail on upstream response noerror no 
data.
 2023-10-04 18:16:22 +02:00
W.C.A. Wijngaards
9aaafddf04 - disable-edns-do, the option turns of the EDNS DO flag when a message is 
sent from the iterator.
 2023-09-20 13:28:06 +02:00
W.C.A. Wijngaards
fdd5f8ff83 - Fix to add EDE text when RRs have been removed due to length. 2023-09-07 14:44:48 +02:00
W.C.A. Wijngaards
63616a5fce - Fix to move msgparse_rrset_remove_rr code to util/msgparse.c. 2023-09-07 11:29:53 +02:00
W.C.A. Wijngaards
dfc00271d1 - Fix to scrub resource records of type A and AAAA that have an 
inappropriate size. They are removed from responses.
 2023-09-07 11:08:04 +02:00
W.C.A. Wijngaards
be53e37b15 - Fix #923: processQueryResponse() THROWAWAY should be mindful of 
fail_reply.
 2023-08-21 14:32:13 +02:00
W.C.A. Wijngaards
2791ccbe02 - Fix for iter_dec_attempts that could cause a hang, part of 
capsforid and qname minimisation, depending on the settings.
 2023-08-18 09:11:06 +02:00
George Thessalonikefs
6819c1e444 - Merge #759 from Tom Carpay: Add EDE (RFC8914) caching. 2023-07-30 11:48:04 +02:00
George Thessalonikefs
f5a2a58ce3 Review for #759: 
- Fix SEGFAULT in load_cache control command.
- Change reason_bogus_str to an explicit NULL-terminated string.
- Fix potential memory leak when discarding a message for referrals and
  0 TTL answers.
- Fix reason_bogus initialization in localzone answers.
- reply_info creation in validator is always regional.
 2023-07-17 17:26:31 +02:00
George Thessalonikefs
15b8d8b96a Merge branch 'master' into features/ede-caching 2023-07-13 11:25:59 +02:00
Boris VANHOOF
17559c737b typo in comments 2023-05-23 09:21:58 +02:00
George Thessalonikefs
adb4aeb609 - For #722: Minor fixes, formatting and refactoring. 2023-05-01 18:23:13 +02:00
George Thessalonikefs
e1ec3cf893 Merge branch 'nat64' of https://github.com/eqvinox/unbound into eqvinox-nat64 2023-04-26 15:14:39 +02:00
W.C.A. Wijngaards
c7618a9b80 - Fix #870: NXDOMAIN instead of NOERROR rcode when asked for existing 
CNAME record.
 2023-04-04 10:06:16 +02:00
George Thessalonikefs
eb81761b13 - Clean up iterator/iterator.c::error_response_cache() and allow for 
better interaction with serve-expired, prefetch and cached error
  responses.
 2023-02-10 16:51:07 +01:00
George Thessalonikefs
1c1c5d72d3 Changelog entry for 
- Allow TTL refresh of expired error responses.
 2023-02-09 10:52:56 +01:00
George Thessalonikefs
87a8c80fcb - Allow TTL refresh of expired error responses. 2023-02-09 10:47:46 +01:00
W.C.A. Wijngaards
4953daa016 - Fix to ignore entirely empty responses, and try at another authority. 
This turns completely empty responses, a type of noerror/nodata into
  a servfail, but they do not conform to RFC2308, and the retry can
  fetch improved content.
 2023-02-09 09:56:40 +01:00
W.C.A. Wijngaards
8df1e58209 - Add harden-unknown-additional option. Default on and it removes 
unknown records from the authority section and additional section.
  Thanks to Xiang Li, from NISL Lab, Tsinghua University.
 2023-01-19 14:59:18 +01:00
W.C.A. Wijngaards
b12ab31ae3 - Fix not following cleared RD flags potentially enables amplification 
DDoS attacks, reported by Xiang Li and Wei Xu from NISL Lab,
  Tsinghua University. The fix stops query loops, by refusing to send
  RD=0 queries to a forwarder, they still get answered from cache.
 2023-01-18 13:18:47 +01:00