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41 commits

Author SHA1 Message Date
W.C.A. Wijngaards
6d0812b567 - Fix edns subnet so that queries with a source prefix of zero cause 
the recursor send no edns subnet option to the upstream.
 2023-10-09 12:21:22 +02:00
George Thessalonikefs
a952ac17be Merge branch 'tilan7663-subnet_cache_prefetch' into subnet_cache_prefetch 2023-07-07 16:50:58 +02:00
George Thessalonikefs
40e47bf767 - For #664: easier code flow for subnetcache prefetching. 
- For #664: add testcase.
 2023-07-06 22:22:21 +02:00
Philip Homburg
fb06364014 Fix issue #825: interaction between ECS and serve-expired. 2023-02-21 09:20:28 +01:00
George Thessalonikefs
d7a9def160 - Clear documentation for interactivity between the subnet module and 
the serve-expired and prefetch configuration options.
 2022-11-30 14:45:36 +01:00
Yorgos Thessalonikefs
c4e51a4cfe
PROXYv2 downstream support (#760) 2022-10-03 15:29:47 +02:00
W.C.A. Wijngaards
0f08cc6d55 - Fix edns subnet so that scope 0 answers only match sourcemask 0 
queries for answers from cache if from a query with sourcemask 0.
 2022-08-02 14:13:55 +02:00
Philip Homburg
3bade62c8a Fix use after free issue with edns options (https://github.com/NLnetLabs/unbound/issues/663) 2022-06-22 15:00:28 +02:00
George Thessalonikefs
459b73018f - Fix for edns client subnet to respect not looking in its cache when 
instructed to do so (e.g., prefetch).
 2022-06-03 16:11:35 +02:00
George Thessalonikefs
daf316ea1b - Fix #417: prefetch and ECS causing cache corruption when used 
together.
 2022-05-12 00:56:01 +02:00
Tian Lan
8afbc0944f Add prefetch support for subnet cache entries 
- Entries in the subnet cache should now be prefetched.

- Rename testdata subnet_*.crpl to subnet_*.rpl so they are visible to
  make test

Signed-off-by: Tian Lan <tian.lan@twosigma.com>
 2022-04-29 11:46:05 -04:00
W.C.A. Wijngaards
7749d98a14 - Fix for edns client subnet option add fix in removal code, from review. 2022-02-28 14:51:35 +01:00
W.C.A. Wijngaards
8e8ccfe3c3 - Fix edns client subnet to add the option based on the option list, 
so that it is not state dependent, after the state fix of #605 for
  double EDNS options.
 2022-02-28 14:39:48 +01:00
Dimitris Apostolou
c21d6af617
Fix typos 2021-11-13 16:56:15 +02:00
W.C.A. Wijngaards
55ba863440 - Fix that nxdomain synthesis does not happen above the stub or 
forward definition.
 2021-04-13 13:52:57 +02:00
George Thessalonikefs
d69132b921 - Fix #384: (1) A minor request to improve the log (2) A minor bug in 
one log message.
 2021-02-24 12:00:11 +01:00
Ralph Dolmans
99fd6cf711 - Cache ECS answers with longest scope of CNAME chain. 2020-05-15 13:13:49 +02:00
gthess
f7fe95ad7b
Serve stale (#159) 
- Added serve-stale functionality as described in
  draft-ietf-dnsop-serve-stale-10. `serve-expired-*` options can be used
  to configure the behavior.
- Updated cachedb to honor `serve-expired-ttl`; Fixes #107.
- Renamed statistic `num.zero_ttl` to `num.expired` as expired replies
  come with a configurable TTL value (`serve-expired-reply-ttl`).
- Fixed stats when replying with cached, cname-aliased records.
- Added missing default values for redis cachedb backend.
 2020-02-05 14:20:27 +01:00
W.C.A. Wijngaards
e3453711e5 - Fix edns-subnet locks, in error cases the lock was not unlocked. 2019-05-07 16:10:22 +02:00
Wouter Wijngaards
0ff5c52657 - Fix #4208: 'stub-no-cache' and 'forward-no-cache' not work. 
git-svn-id: file:///svn/unbound/trunk@4981 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-11-27 10:29:14 +00:00
Ralph Dolmans
640d1cf929 - Bugfix min-client-subnet-ipv6 
git-svn-id: file:///svn/unbound/trunk@4958 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-11-06 09:44:10 +00:00
Ralph Dolmans
6021341118 - Add min-client-subnet-ipv6 and min-client-subnet-ipv4 options. 
git-svn-id: file:///svn/unbound/trunk@4951 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-10-25 08:53:50 +00:00
Ralph Dolmans
140a165ab2 - Add markdel function to ECS slabhash. 
- Limit ECS scope returned to client to the scope used for caching.      
 - Make lint like previous #4154 fix. 


git-svn-id: file:///svn/unbound/trunk@4946 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-10-24 13:50:18 +00:00
Wouter Wijngaards
5fec1c8b1f - Fix #4154: make ECS_MAX_TREESIZE configurable, with 
the max-ecs-tree-size-ipv4 and max-ecs-tree-size-ipv6 options.


git-svn-id: file:///svn/unbound/trunk@4945 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-10-22 14:54:28 +00:00
Wouter Wijngaards
8893735a2d edns-subnet retain rcode when no return_msg, for log-servfail. 
git-svn-id: file:///svn/unbound/trunk@4868 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-08-21 14:25:07 +00:00
Wouter Wijngaards
00ba747be7 - #4146: num.query.subnet and num.query.subnet_cache counters. 
git-svn-id: file:///svn/unbound/trunk@4867 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-08-21 14:14:28 +00:00
Wouter Wijngaards
b02f855df8 Fix more critical regions. Cleans tests. 
git-svn-id: file:///svn/unbound/trunk@4498 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-02-02 11:08:50 +00:00
Wouter Wijngaards
632ea0d02e - lock subnet new item before insertion to please checklocks, 
no modification of critical regions outside of lock region.


git-svn-id: file:///svn/unbound/trunk@4497 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-02-02 10:52:44 +00:00
Ralph Dolmans
3427b992f7 - Fix #1400: allowing use of global cache on ECS-forwarding unless 
always-forward.


git-svn-id: file:///svn/unbound/trunk@4352 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-09-18 09:09:10 +00:00
Wouter Wijngaards
7d17a926ac - Spelling fixes, from Phil Porada. 
git-svn-id: file:///svn/unbound/trunk@4344 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-09-15 14:29:28 +00:00
Wouter Wijngaards
acada5a8f6 - Free callback in edns-subnetmod on exit and restart. 
git-svn-id: file:///svn/unbound/trunk@4229 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-06-16 07:31:30 +00:00
Ralph Dolmans
998793998d - Added domain name based ECS whitelist. 
git-svn-id: file:///svn/unbound/trunk@4217 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-06-08 14:44:55 +00:00
Ralph Dolmans
1c02193ddb - Fix #1249: unbound doesn't return FORMERR to bogus ECS. 
git-svn-id: file:///svn/unbound/trunk@4110 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-12 13:12:21 +00:00
Ralph Dolmans
22339c9ba9 - Fix #1247: unbound does not shorten source prefix length when forwarding ECS. 
git-svn-id: file:///svn/unbound/trunk@4108 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-12 11:47:18 +00:00
Ralph Dolmans
8fedcffc02 - Display ECS module memory usage. 
git-svn-id: file:///svn/unbound/trunk@4106 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-11 13:10:30 +00:00
Ralph Dolmans
a5c7c469ee - Remove ECS option after REFUSED answer 
- Fix small memory leak in edns_opt_copy_alloc



git-svn-id: file:///svn/unbound/trunk@4100 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-10 09:12:04 +00:00
Ralph Dolmans
ae31233b19 - remove malloc from inplace_cb_register 
git-svn-id: file:///svn/unbound/trunk@4095 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-06 13:41:49 +00:00
Wouter Wijngaards
a416f30459 fixup unused parameters. 
git-svn-id: file:///svn/unbound/trunk@4093 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-06 13:23:52 +00:00
Ralph Dolmans
a2bc93547f - Generalise inplace callback (de)registration 
- (de)register inplace callbacks for module id
- No unbound-control set_option for ECS options
- Deprecated client-subnet-opcode config option
- Introduced client-subnet-always-forward config option
- Changed max-client-subnet-ipv6 default to 56 (as in RFC)
- Removed extern ECS config options
- module_restart_next now calls clear on all following modules
- Also create ECS module qstate on module_event_pass event


git-svn-id: file:///svn/unbound/trunk@4092 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-06 13:13:06 +00:00
Ralph Dolmans
d30ae35c62 - Do not add current time twice to TTL before ECS cache store. 
- Do not touch rrset cache after ECS cache message generation.
- Use LDNS_EDNS_CLIENT_SUBNET as default ECS opcode.


git-svn-id: file:///svn/unbound/trunk@4086 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-04-03 09:36:18 +00:00
Ralph Dolmans
b0fd814975 - Merge EDNS Client subnet implementation from feature branch into main branch, 
using new EDNS processing framework.


git-svn-id: file:///svn/unbound/trunk@4074 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-03-21 12:08:17 +00:00