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325 commits

Author SHA1 Message Date
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
1c85901cc4 - Fix out of bounds read in parse_edns_options_from_query, it would read 
8 bytes after a client option of length 8, and then ignore them to
  recreate a 24 byte response. The fixup does not read out of bounds,
  and puts zeroes in the buffer at that point, that then are ignored.
 2023-08-16 16:58:49 +02:00
W.C.A. Wijngaards
2b1028bdad - Fix possibly unaligned memory access. 2023-08-16 10:06:06 +02:00
George Thessalonikefs
bab5ad623c - For #762: Introduce stat counters for downstream DNS Cookies per 
thread and total: num.queries_cookie_valid, num.queries_cookie_client,
  num.queries.cookie_invalid.
 2023-08-08 15:19:56 +02:00
George Thessalonikefs
4ccb613396 Merge branch 'master' into features/downstream-cookies 2023-08-05 20:37:48 +02:00
George Thessalonikefs
b6e2f4dbf8 - For #762: Formatting. 2023-08-04 19:03:23 +02:00
George Thessalonikefs
702f485587 - For #762: relocate EDNS cookie code to util/edns and introduce unit 
tests.
 2023-08-04 14:26:08 +02:00
George Thessalonikefs
6e47c1e05b - For #762: remove relocated code. 2023-08-02 15:51:05 +02:00
George Thessalonikefs
5b55a46550 - For #762: relocate RFC 1982 serial number arithmetic functions to their own 
file in util/rfc_1982.[ch].
 2023-08-01 17:26:14 +02:00
George Thessalonikefs
8aec671860 - More braces and formatting for Fix for EDNS EDE size calculation to 
avoid future bugs.
 2023-08-01 15:15:33 +02:00
W.C.A. Wijngaards
990b12bc8e - Fix for EDNS EDE size calculation. 2023-08-01 15:08:50 +02:00
George Thessalonikefs
08e11284fb - For #911: Try to trim EXTRA-TEXT (and LDNS_EDE_OTHER options 
altogether) before giving up on attaching EDE options.
 2023-08-01 09:55:28 +02:00
George Thessalonikefs
dcd0191d7e Merge branch 'master' of https://github.com/natalie-reece/unbound into natalie-reece-master 2023-07-31 09:57:21 +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
Natalie Reece
67e52ea9c5 Exclude EDE before other EDNS options when there isn't enough space 2023-07-11 17:01:26 -06:00
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
George Thessalonikefs
47cf44cc70 - For #762: relocate edns_opt_list_append_keepalive. 2023-06-22 12:11:28 +02:00
George Thessalonikefs
1cd75cccfc - For #762: More generic integration for siphash.c 2023-06-22 11:45:08 +02:00
Willem Toorop
8df26b132b Merge branch 'master' into devel/merge-master-into-downstream-cookies 2022-11-07 17:09:20 +00:00
Willem Toorop
75f3fbdd65 Downstream DNS Cookies a la RFC7873 and RFC9018 
Create server cookies for clients that send client cookies.
Needs to be turned on in the config file with:

	answer-cookie: yes

A cookie-secret can be configured for anycast setups.
Also adds an access control list that will allow queries with
either a valid cookie or over a stateful transport.
 2022-09-28 10:28:19 +02:00
Willem Toorop
71f23ef354 extended_error_encode() for extended errors 2022-09-28 09:57:56 +02:00
TCY16
0b176750bd add @wcawijngaards' review comments 2022-09-26 12:14:17 +02:00
TCY16
f0989fc754 differentiate between malloc and regional_alloc 2022-09-26 11:49:49 +02:00
TCY16
c9f90def0a swap malloc for regional_alloc and add free 2022-09-26 11:18:58 +02:00
TCY16
dcfcde2ec8 add cached EDE strings 2022-09-21 11:21:33 +02:00
TCY16
5f309d0018 Add caching EDEs 2022-09-01 14:10:14 +02:00
W.C.A. Wijngaards
7696398231 - Fix verbose EDE error printout. 2022-07-11 13:13:51 +02:00
tcarpay
0ce36e8289
Add the basic EDE (RFC8914) cases (#604) 2022-05-06 12:48:53 +02:00
Tom Carpay
ff030fa332 Clarify KEEPALIVE EDNS0 option operation 2021-11-15 14:00:31 +00:00
Tom Carpay
e899b4cefe Make explicit whether edns options are parsed from queries or responses 2021-11-15 13:40:51 +00:00
Tom Carpay
b47dc528aa add missing return code 2021-11-15 12:33:08 +00:00
tcarpay
a0df340b1e
Update util/data/msgparse.c 
Co-authored-by: gthess <george@nlnetlabs.nl>
 2021-11-08 12:28:03 +01:00
TCY16
8205c87a96 complete renaming of the modules edns list 2021-11-08 11:50:29 +01:00
tcarpay
fa73142b79
Apply suggestions from code review 
Co-authored-by: Willem Toorop <willem@nlnetlabs.nl>
 2021-11-08 11:02:54 +01:00
Tom Carpay
cb48d9e4a1 Fix keepalive logic 2021-11-01 15:01:07 +00:00
Tom Carpay
5f8447830a Move option handling to parse-time 2021-11-01 13:48:31 +00:00
Tom Carpay
89d7476539 split edns_data.opt_list in opt_list_in and opt_list_out 
opt_list_in for parsed (incoming) edns options, and
opt_list_out for outgoing (to be encoded) edns options
 2021-11-01 12:48:40 +00:00
Tom Carpay
3ebfa9fc97 Outgoing module options go to opt_list_modules_out 
And opt_list_modules_out is reset in case of failure
BEWARE! No options from modules will be encoded in the responses now!
 2021-10-27 14:01:56 +00:00
Tom Carpay
3e6eeb504d Modules have their own outgoing ends options list 
But nothing happens with it yet
 2021-10-27 13:48:49 +00:00
W.C.A. Wijngaards
4b2799fdd6 - Fix #533: Negative responses get cached even when setting 
cache-max-negative-ttl: 1
 2021-08-27 10:33:21 +02:00
W.C.A. Wijngaards
a9de6879b8 Merge branch 'master' into rpz-triggers 2021-08-18 09:53:35 +02:00
Shchelkunov Artem
e20b2c1aaf fix: free() call more than once with the same pointer 2021-08-11 15:14:43 +05:00
W.C.A. Wijngaards
f232562430 Merge branch 'master' into rpz-triggers 2021-08-05 13:37:22 +02:00
W.C.A. Wijngaards
79209823ac - Fix a number of warnings reported by the gcc analyzer. 2021-06-18 18:12:26 +02:00
W.C.A. Wijngaards
355526da7d - rpz-triggers, the added soa for client ip modified answers is affected 
by the minimal-responses config option.
 2021-05-14 16:34:38 +02:00
W.C.A. Wijngaards
50dcadd495 - rpz-triggers, for clientip modified answers the rpz SOA is added to the 
additional section with the serial number and name of the rpz zone that
  was applied.
 2021-05-14 15:34:48 +02:00
W.C.A. Wijngaards
32d82fac9b Merge branch 'master' into rpz-triggers 2021-05-14 08:47:56 +02:00
George Thessalonikefs
e9a5f5ab3f - Add more logging for out-of-memory cases. 2021-05-04 15:39:06 +02:00