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1370 commits

Author SHA1 Message Date
TCY16
dd3984eae9 add validation EDEs to CD bit queries 2022-12-05 11:41:17 +01:00
TCY16
79d39e7f4d Add subnetcache support 2022-11-24 16:14:12 +01:00
George Thessalonikefs
896f7a8306 - Ignore expired error responses. 2022-11-22 17:44:55 +01:00
TCY16
6dcba49ff1 add cachedb support 2022-11-21 13:23:00 +01:00
TCY16
8b4a8493d0 Merge branch 'master' of github.com:NLnetLabs/unbound into features/ede-caching 2022-11-21 11:34:36 +01:00
Willem Toorop
8df26b132b Merge branch 'master' into devel/merge-master-into-downstream-cookies 2022-11-07 17:09:20 +00:00
George Thessalonikefs
2569b12b9c - Fix to stop possible loops in the tcp reuse code (write_wait list 
and tcp_wait list). Based on analysis and patch from Prad Seniappan
  and Karthik Umashankar.
 2022-10-07 11:25:36 +02:00
W.C.A. Wijngaards
bf7a2884fb - Fix static analysis report to remove dead code from the 
rpz_callback_from_iterator_module function.
 2022-10-04 09:08:11 +02:00
Yorgos Thessalonikefs
c4e51a4cfe
PROXYv2 downstream support (#760) 2022-10-03 15:29:47 +02:00
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
W.C.A. Wijngaards
e93c75a5d4 - Fix doxygen warning in respip.h. 2022-09-21 15:23:04 +02:00
W.C.A. Wijngaards
e3871ca907 Merge branch 'branch-1.16.3' 2022-09-21 12:11:26 +02:00
W.C.A. Wijngaards
137719522a - Patch for CVE-2022-3204 Non-Responsive Delegation Attack. 2022-09-21 11:10:38 +02:00
George Thessalonikefs
d301bfe4a2 - ACL per interface: refactor, complete testing and a bugfix for 
interface names.
 2022-09-11 20:57:41 +02:00
George Thessalonikefs
c30bdff939 Initial commit for interface based ACL. 2022-09-11 20:21:32 +02:00
TCY16
5f309d0018 Add caching EDEs 2022-09-01 14:10:14 +02:00
W.C.A. Wijngaards
e6f878ee71 - Fix #741: systemd socket activation fails on IPv6. 2022-08-22 09:12:08 +02:00
W.C.A. Wijngaards
fbe8e3b0b2 - Fix ratelimit inconsistency, for ip-ratelimits the value is the 
amount allowed, like for ratelimits.
 2022-08-04 11:33:37 +02:00
Luis Dallos
7d3c6f1c43 Fix startup failure on Windows 8.1 due to unsupported IPV6_USER_MTU socket option being set 
Newer mingw-w64 (starting from 8.0.1) introduces support for `IPV6_USER_MTU` socket
option [1], which is not supported on Windows 8.1 and older [2]. As there is no way
to avoid this socket option from being picked at compile time when targeting older
versions of Windows, check for `setsockopt(..., IPV6_USER_MTU, ...)` failures at
runtime in order to avoid startup failure on those versions of Windows where the
`IPV6_USER_MTU` socket option is unsupported.

[1]: mirror/mingw-w64@e30bff4
[2]: `WSAGetLastError()` returns `WSAENOPROTOOPT` (`Bad protocol option`) error code
 2022-08-01 23:03:24 -04:00
W.C.A. Wijngaards
cd22fdc28d - Fix #728: alloc_reg_obtain() core dump. Stop double 
alloc_reg_release when serviced_create fails.
 2022-08-01 16:45:41 +02:00
W.C.A. Wijngaards
f6753a0f10 - Fix the novel ghost domain issues CVE-2022-30698 and CVE-2022-30699. 2022-08-01 13:24:40 +02:00
George Thessalonikefs
efdd70c7b5 - Cleanup some comments and TODO text. 2022-07-23 19:55:15 +02:00
W.C.A. Wijngaards
33bd49af81 - Merge PR 714: Avoid treat normal hosts as unresponsive servers. 
And fixup the lock code.
 2022-07-15 08:51:31 +02:00
Hunts Chen
88bf803297 Avoid treat normal hosts as unresponsive servers 
This is a fix for issue #713

When infra-keep-probing is on, all hosts with expired entries were treated as
unresponsive servers and thus causing problems (see #713).

This commit change that, so that normal hosts with expired entries are treated
as unknown servers.
 2022-07-14 10:16:13 -07:00
George Thessalonikefs
9e4a17baaf - For windows crosscompile, fix setting the IPV6_MTU socket option 
equivalent (IPV6_USER_MTU); allows cross compiling with latest
  cross-compiler versions.
 2022-07-12 17:17:59 +02:00
George Thessalonikefs
e5f66b4902 - For #668: relocate and make code more portable. 2022-07-04 12:46:17 +02:00
George Thessalonikefs
0f4c4c1163 Merge branch 'IP_BIND_ADDRESS_NO_PORT' of https://github.com/crrodriguez/unbound into crrodriguez-IP_BIND_ADDRESS_NO_PORT 2022-07-04 11:15:58 +02:00
George Thessalonikefs
b816318106 - Fix #704: [FR] Statistics counter for number of outgoing UDP queries 
sent; introduces 'num.query.udpout' to the 'unbound-control stats'
  command.
 2022-06-29 10:51:54 +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
187bc72633 - Add testcase for allowing NOTIFY on URL addresses. 2022-06-14 17:44:37 +02:00
Philip Homburg
16dd802c2e Add url 'master' to allow notify list 2022-05-31 15:10:38 +02:00
Philip Homburg
6dad2d2fc6 allow-notify doesn't work for url on rpz zones (https://github.com/NLnetLabs/unbound/issues/679) 2022-05-31 15:10:38 +02:00
W.C.A. Wijngaards
11d077c826 - Fix some lint type warnings. 2022-05-20 15:32:27 +02:00
George Thessalonikefs
91c298c901 Merge branch 'subnet_cache_prefetch' of https://github.com/tilan7663/unbound into tilan7663-subnet_cache_prefetch 2022-05-17 16:16:09 +03:00
George Thessalonikefs
daf316ea1b - Fix #417: prefetch and ECS causing cache corruption when used 
together.
 2022-05-12 00:56:01 +02:00
tcarpay
0ce36e8289
Add the basic EDE (RFC8914) cases (#604) 2022-05-06 12:48:53 +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
Cristian Rodríguez
6a4ea692d4 Set IP_BIND_ADDRESS_NO_PORT on outbound tcp sockets 
When bound to a local address the kernel does not know if the socket
will listen() or connect() and must reserve a port inmediately after
bind() effectively limiting the random port range to ~32k.
when IP_BIND_ADDRESS_NO_PORT is set, the kernel delays source port
allocation until the time the complete 4-tuple is known allowing
a much larger number of combinations
 2022-04-23 23:08:45 +00:00
W.C.A. Wijngaards
1289c53c1a - Fix zonemd unsupported algo check to set reason to NULL before the 
check routine, but after malformed checks, to get the correct NULL
  output when the digest matches.
 2022-04-08 11:19:40 +02:00
W.C.A. Wijngaards
d02e83ae2b - Fix zonemd unsupported algo check to print unsupported reason before 
zeroing it.
 2022-04-08 11:10:11 +02:00
W.C.A. Wijngaards
8f2847ba69 - Fix zonemd unsupported algo check reason to not copy to next record, 
and check for success for debug printout.
 2022-04-08 10:54:57 +02:00
W.C.A. Wijngaards
730a03e9bd - Fix zonemd unsupported algo check. 2022-04-08 09:36:01 +02:00
W.C.A. Wijngaards
e4ca71e85b - Fix zonemd check to allow unsupported algorithms to load. 
If there are only unsupported algorithms, or unsupported schemes,
  and no failed or successful other ZONEMD records, or malformed
  or bad ZONEMD records, the unsupported records allow the zone load.
 2022-04-08 09:29:37 +02:00
W.C.A. Wijngaards
debe5c665f - Fix #637: Integer Overflow in sldns_str2period function. 2022-03-03 14:19:59 +01:00
gthess
6e79237dc8
Merge pull request #623 from rex4539/typos 
Fix typos
 2022-02-28 12:36:11 +01:00
George Thessalonikefs
82adcfb971 - Fix #630: Unify the RPZ log messages. 2022-02-28 12:07:25 +01:00
Dimitris Apostolou
c7be51a11b
Fix typos 2022-02-18 15:51:03 +02:00
W.C.A. Wijngaards
a746d9693a - Fix that address not available is squelched from the logs for 
udp connect failures. It is visible on verbosity 4 and more.
 2022-02-18 09:03:56 +01:00
W.C.A. Wijngaards
6de5310728 - Fix for #628: fix rpz-passthru for qname trigger by localzone type. 2022-02-16 09:51:25 +01:00
W.C.A. Wijngaards
2b90181d3a - Fix #628: A rpz-passthru action is not ending RPZ zone processing. 2022-02-15 16:20:12 +01:00
W.C.A. Wijngaards
a0feea393a - Fix #618: enabling interface-automatic disables DNS-over-TLS. 
Adds the option to list interface-automatic-ports.
 2022-02-11 10:58:53 +01:00
W.C.A. Wijngaards
5f724da8c5 - Fix that TCP interface does not use TLS when TLS is also configured. 2022-02-07 09:31:10 +01:00
gthess
358e3a5963
Merge pull request #616 from NLnetLabs/bugfix/ratelimit 
Update ratelimit logic
 2022-02-02 11:16:04 +01:00
George Thessalonikefs
a60bbd12ed -Fix review comment for use-after-free when failing to send UDP out. 2022-01-31 11:27:35 +01:00
George Thessalonikefs
3086335724 - Introduce ratelimit-backoff and ip-ratelimit-backoff options for more 
aggressive rate limiting.
 2022-01-30 00:36:29 +01:00
George Thessalonikefs
f857af873e - Update ratelimit code for recent serviced_query changes and more 
accurate ratelimit calculation.
 2022-01-29 23:49:38 +01:00
George Thessalonikefs
888eb224a6 - Better cleanup on failed DoT/DoH listening socket creation. 2022-01-29 15:14:56 +01:00
gthess
ddc3c754b0
Merge pull request #612 from NLnetLabs/tcp-race-condition 
TCP race condition
 2022-01-25 17:26:30 +01:00
George Thessalonikefs
5c85615515 - Fix #588: Unbound 1.13.2 crashes due to p->pc is NULL in 
serviced_udp_callback.
 2022-01-25 17:15:37 +01:00
George Thessalonikefs
4573629fc4 - Mark waiting_tcp and serviced_query as being in the 
cb_and_decommission stage to signal later code about their state;
  prevents premature item deletion.
 2022-01-25 09:46:16 +01:00
George Thessalonikefs
c3c0186658 - Add serviced_query timer to send upstream queries outside of the mesh 
flow to prevent race conditions.
 2022-01-25 00:01:43 +01:00
George Thessalonikefs
773d1f2911 - Make sure callback changes for EDNS are not lost. 2022-01-14 15:18:43 +01:00
George Thessalonikefs
de1e91fc7f - Fix EDNS to upstream where the same option could be attached more than 
once.
- Add a region to serviced_query for allocations.
 2022-01-14 13:55:34 +01:00
George Thessalonikefs
a97604737b - Fix prematurely terminated TCP queries when a reply has the same ID. 2022-01-11 10:00:45 +01:00
W.C.A. Wijngaards
33ef79d433 - Fix for #596: Fix rpz-signal-nxdomain-ra to work for clientip 
triggered operation.
 2022-01-05 16:48:35 +01:00
W.C.A. Wijngaards
ceef84e022 - Fix that RPZ does not set RD flag on replies, it should be copied 
from the query.
 2022-01-04 13:49:31 +01:00
W.C.A. Wijngaards
95644c9309 - Fix #596: only unset RA when NXDOMAIN is signalled. 2022-01-04 13:48:29 +01:00
W.C.A. Wijngaards
392c1f0f54 - Fix #596: unset the RA bit when a query is blocked by an unbound 
RPZ nxdomain reply. The option rpz-signal-nxdomain-ra allows to
  signal that a domain is externally blocked to clients when it
  is blocked with NXDOMAIN by unsetting RA.
 2022-01-04 13:40:07 +01:00
W.C.A. Wijngaards
83c712ca60 - Fix to pick up other class local zone information before unlock. 2021-12-13 10:00:53 +01:00
George Thessalonikefs
2c1a5203a5 - Allow local-data for classes other than IN to inherit a configured 
local-zone's type if possible, instead of defaulting to type
  transparent as per the implicit rule.
 2021-12-10 17:35:36 +01:00
Florian Obser
ef076c0e15 Fix -Wshadow 2021-12-03 18:30:08 +01:00
Florian Obser
56cf526c68 Fix -Wmissing-prototypes by declaring functions static. 2021-12-03 18:29:04 +01:00
George Thessalonikefs
3dbda3aac3 - Fix #454: listen_dnsport.c:825: error: ‘IPV6_TCLASS’ undeclared. 2021-12-01 04:26:36 +01:00
Wouter Wijngaards
9645228f03
Merge pull request #570 from rex4539/typos 
Fix typos
 2021-11-29 11:39:48 +01:00
tcarpay
c47e98a659
Merge pull request #563 from NLnetLabs/bugfix/general-edns-options3 
Better positioning of general EDNS option handling: revisited V2
 2021-11-15 15:14:51 +01:00
Dimitris Apostolou
c21d6af617
Fix typos 2021-11-13 16:56:15 +02:00
TCY16
8205c87a96 complete renaming of the modules edns list 2021-11-08 11:50:29 +01:00
W.C.A. Wijngaards
738c7db9ab - Fix to remove unused code from rpz resolve client and action 
function.
 2021-11-05 12:13:38 +01:00
W.C.A. Wijngaards
0006c08f15 - Fix analyzer review failure in rpz action override code to not 
crash on unlocking the local zone lock.
 2021-11-05 12:02:50 +01:00
W.C.A. Wijngaards
1a94a68fc2 - Fix #552: Unbound assumes index.html exists on RPZ host. 2021-11-02 16:45:02 +01:00
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
3925297d07 Remove apply_edns_options from worker and mesh... 
to be returned in message encoding later...
 2021-11-01 10:44:55 +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
89510f4a0c - Implement RFC8375: Special-Use Domain 'home.arpa.'. 2021-09-27 15:09:01 +02:00
W.C.A. Wijngaards
7d70e3c861 - Fix initialisation errors reported by gcc sanitizer. 2021-09-10 14:30:57 +02:00
W.C.A. Wijngaards
9fa1ae1340 - Fix RPZ locks. Do not unlock zones lock if requested and rpz find 
zone does not find the zone. Readlock the clientip that is found
  for ipbased triggers. Unlock the nsdname zone lock when done.
  Unlock zone and ip in rpz nsip and nsdname callback. Unlock
  authzone and localzone if clientip found in rpz worker call.
 2021-08-25 14:18:29 +02:00
W.C.A. Wijngaards
c93a7fb38a - Fix the stream wait stream_wait_count_lock and http2 buffer locks 
setup and desetup from race condition.
 2021-08-25 13:37:50 +02:00
W.C.A. Wijngaards
a9de6879b8 Merge branch 'master' into rpz-triggers 2021-08-18 09:53:35 +02:00
W.C.A. Wijngaards
d0cc58be3d - Fix to support harden-algo-downgrade for ZONEMD dnssec checks. 2021-08-16 16:14:32 +02:00
W.C.A. Wijngaards
4034c009bb - zonemd, fix order of bogus printout string manipulation. 2021-08-13 15:24:53 +02:00
W.C.A. Wijngaards
c8c2dfff22 - Fix zonemd verification of key that is not in DNS but in the zone 
and needs a chain of trust.
 2021-08-13 14:43:11 +02:00
W.C.A. Wijngaards
ad45e9b89e - Fix for #431: Squelch permission denied errors for udp connect, 
and udp send, they are visible at higher verbosity settings.
 2021-08-13 09:27:58 +02:00
W.C.A. Wijngaards
f232562430 Merge branch 'master' into rpz-triggers 2021-08-05 13:37:22 +02:00
W.C.A. Wijngaards
c9bb0604db - Fix static analysis warnings about localzone locks that are unused. 2021-08-04 10:58:08 +02:00
daiyunwei
0784ad7a11 #420 
clear the c->buffer in the comm_point_send_reply does resolve the "can't fit qbuffer in c->buffer" issue, but it breaks the mesh reply list function that need to reuse the answer. because the c->buffer is cleared in the comm_point_send_reply, it cannot be resued again. it means that it is not inappropriate to clear c->buffer in the comm_point_send_reply.

After some investigation, i found it is appropriate to clear c->buffer before use in the http2_query_read_done.
 2021-08-03 11:40:30 +08:00
W.C.A. Wijngaards
3ed5b62578 - Fix verbose printout failure in tcp reuse unit test. 2021-08-02 16:06:36 +02:00
George Thessalonikefs
ad2bd61ed4 - Remove redundant log_assert and fix error messages. 2021-07-26 16:12:55 +02:00
George Thessalonikefs
de73af2da2 - stream reuse, do not explicitly wait for a free pending_tcp if a reuse 
could be used.
 2021-07-26 10:47:20 +02:00