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Author SHA1 Message Date
Wouter Wijngaards
ad21dbd1c2
Cookie secret file (#1090) 
* - cookie-secret-file, define struct.

* - cookie-secret-file, add config option, create, read and delete struct.

* - cookie-secret-file, check cookie secrets for cookie validation.

* - cookie-secret-file, unbound-control add_cookie_secret, drop_cookie_secret,
  activate_cookie_secret and print_cookie_secrets.

* - cookie-secret-file, test and fix locks, renew writes a fresh cookie,
  staging cookies get a fresh cookie and spelling in error message.

* - cookie-secret-file, remove unused variable from cookie file unit test.

* Remove unshare and faketime dependencies for cookie_file test; documentation nits.

---------

Co-authored-by: Yorgos Thessalonikefs <yorgos@nlnetlabs.nl>
 2024-08-02 13:32:08 +02:00
W.C.A. Wijngaards
5bea29b01c - For #1110: Test for fallthrough attribute in configure and add 
fallthrough attribute annotations.
 2024-07-23 09:47:42 +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
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
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
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
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
3e6eeb504d Modules have their own outgoing ends options list 
But nothing happens with it yet
 2021-10-27 13:48:49 +00:00
Willem Toorop
48ecf95108 Merge branch 'master' into features/padding 2021-01-22 10:29:50 +01:00
W.C.A. Wijngaards
ba0f382eee - CVE-2020-12662 Unbound can be tricked into amplifying an incoming 
query into a large number of queries directed to a target.
- CVE-2020-12663 Malformed answers from upstream name servers can be
  used to make Unbound unresponsive.
 2020-05-19 10:27:27 +02:00
Willem Toorop
4f78b37c61 Down- and upstream padding a la RFC7830 & RFC8467 2020-04-02 18:34:03 +02:00
W.C.A. Wijngaards
b60c4a472c Branch 1.9.4 prepares for 1.9.4 release from 1.9.3 2019-10-03 10:34:40 +02:00
Wouter Wijngaards
ad9784c5e8 - auth zone notify work. 
git-svn-id: file:///svn/unbound/trunk@4619 be551aaa-1e26-0410-a405-d3ace91eadb9
 2018-04-10 14:57:38 +00:00
Wouter Wijngaards
062515d9bc - Fix #1316: heap read buffer overflow in parse_edns_options. 
git-svn-id: file:///svn/unbound/trunk@4240 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-06-21 11:50:39 +00:00
Wouter Wijngaards
c010e93d4a - Fix to rename internally used types from _t to _type, because _t 
type names are reserved by POSIX.
- iana portlist update


git-svn-id: file:///svn/unbound/trunk@3989 be551aaa-1e26-0410-a405-d3ace91eadb9
 2017-01-19 10:25:41 +00:00
George Thessalonikefs
7b948b0647 - Added generic EDNS code for registering known EDNS option codes, 
bypassing the cache response stage and uniquifying mesh states. Four EDNS
  option lists were added to module_qstate (module_qstate.edns_opts_*) to
  store EDNS options from/to front/back side.
- Added two flags to module_qstate (no_cache_lookup, no_cache_store) that
  control the modules' cache interactions.
- Added code for registering inplace callback functions. The registered
  functions can be called just before replying with local data or Chaos,
  replying from cache, replying with SERVFAIL, replying with a resolved
  query, sending a query to a nameserver. The functions can inspect the
  available data and maybe change response/query related data (i.e. append
  EDNS options).
- Updated Python module for the above.
- Updated Python documentation.



git-svn-id: file:///svn/unbound/trunk@3947 be551aaa-1e26-0410-a405-d3ace91eadb9
 2016-12-06 13:42:51 +00:00
Wouter Wijngaards
40dd2acfd9 - generic edns option parse and store code. 
git-svn-id: file:///svn/unbound/trunk@3740 be551aaa-1e26-0410-a405-d3ace91eadb9
 2016-05-31 15:08:05 +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
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
85c915f116 - fix missing break for GOST DS hash function. 
- make depend


git-svn-id: file:///svn/unbound/trunk@2721 be551aaa-1e26-0410-a405-d3ace91eadb9
 2012-07-23 12:27:04 +00:00
Wouter Wijngaards
15aacbe89b code review. 
git-svn-id: file:///svn/unbound/trunk@2688 be551aaa-1e26-0410-a405-d3ace91eadb9
 2012-06-18 14:22:29 +00:00
Wouter Wijngaards
65ad15da56 - Fix parse error on negative SOA RRSIGs if badly ordered in the packet. 
git-svn-id: file:///svn/unbound/trunk@2573 be551aaa-1e26-0410-a405-d3ace91eadb9
 2011-12-15 13:37:13 +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
784d659e91 - Fix TTL of SOA so negative TTL is separately cached from normal TTL. 
git-svn-id: file:///svn/unbound/trunk@2416 be551aaa-1e26-0410-a405-d3ace91eadb9
 2011-05-10 12:34:47 +00:00
Wouter Wijngaards
2fe65ab2b5 - Be lenient and accept imgw.pl malformed packet (like BIND). 
git-svn-id: file:///svn/unbound/trunk@2339 be551aaa-1e26-0410-a405-d3ace91eadb9
 2010-11-08 18:32:55 +00:00
Wouter Wijngaards
1601f2fd6f - Fix assertion failure reported by Kai Storbeck from XS4ALL, the 
assertion was wrong.


git-svn-id: file:///svn/unbound/trunk@2154 be551aaa-1e26-0410-a405-d3ace91eadb9
 2010-06-16 15:05:11 +00:00
Matthijs Mekking
dc84dc08c0 for better readability (svn:NO TEST) 
git-svn-id: file:///svn/unbound/trunk@2135 be551aaa-1e26-0410-a405-d3ace91eadb9
 2010-06-03 09:19:45 +00:00
Wouter Wijngaards
4c7edee5f3 - Fix validation failure for qtype ANY caused by a RRSIG parse failure. 
The validator error message was 'no signatures from ...'.


git-svn-id: file:///svn/unbound/trunk@2087 be551aaa-1e26-0410-a405-d3ace91eadb9
 2010-04-22 15:01:02 +00:00
Wouter Wijngaards
147d47eee7 Move includes to code files. 
git-svn-id: file:///svn/unbound/trunk@2035 be551aaa-1e26-0410-a405-d3ace91eadb9
 2010-03-12 15:17:48 +00:00
Wouter Wijngaards
23af66982c - unbound-host does not fail on type ANY. 
- Fixed wireparse failure to put RRSIGs together with data in some
	  long ANY mix cases, which fixes validation failures.


git-svn-id: file:///svn/unbound/trunk@1903 be551aaa-1e26-0410-a405-d3ace91eadb9
 2009-11-13 14:51:36 +00:00
Wouter Wijngaards
efcb61fb22 Fixup parse problem reported by Hauke Lampe. 
git-svn-id: file:///svn/unbound/trunk@1669 be551aaa-1e26-0410-a405-d3ace91eadb9
 2009-06-18 09:31:58 +00:00