Unbound 1.14.0 released

Thu Dec 9 08:59:03 UTC 2021

Hi,

Unbound 1.14.0 is available
https://nlnetlabs.nl/downloads/unbound/unbound-1.14.0.tar.gz
sha256 6ef91cbf02d5299eab39328c0857393de7b4885a2fe7233ddfe3c124ff5a89c8
pgp https://nlnetlabs.nl/downloads/unbound/unbound-1.14.0.tar.gz.asc

This release contains bug fixes and a full set of RPZ triggers and
actions that are supported. This works with RPZ zones, configured with
`rpz:`.

It is possible to selectively enable use of TCP for stub zones and
forward zones, without having enable it server wide, by enabling it
with the `stub-tcp-upstream: yes` and `forward-tcp-upstream: yes` options.

The added contrib/Dockerfile.tests from ziollek can be used to setup
a Docker environment to run tests in. The documentation is in the
doc/README.tests file.

If openssl it installed with different versions, you can set the
location as `--with-ssl=/usr/include/openssl11` and it then detects the
use of the lib dir split off in /usr/lib64/openssl11 with regex. This is
useful if to pass to configure if openssl is installed in such a manner.

The option `outbound-msg-retry` can be used to select the number of
retries when a non-positive response is received. It is best left at
default, but when the upstream is known to not need retries, it can be
lowered, because in that case the upstream is performing the retry for
non-positive responses.

The domain `home.arpa.` is set by default as blocked, as per RFC8375. If
you want to use it, unblock it with a local-zone nodefault statement, or
use another type of local-zone to override it with your choice.

In the config it is possible to enter IPv6 scope-id values with
interface names, instead of a number, for link-local addresses.

Features
- Merge #401: RPZ triggers. This add additional RPZ triggers,
  unbound supports a full set of rpz triggers, and this now
  includes nsdname, nsip and clientip triggers. Also actions
  are fully supported, and this now includes the tcp-only action.
- Merge #519: Support for selective enabling tcp-upstream for
  stub/forward zones.
- Merge PR #514, from ziollek: Docker environment for run tests.
- Support using system-wide crypto policies.
- Fix that --with-ssl can use "/usr/include/openssl11" to pass the
  location of a different openssl version.
- Merged #41 from Moritz Schneider: made outbound-msg-retry
  configurable.
- Implement RFC8375: Special-Use Domain 'home.arpa.'.
- Merge PR #555 from fobser: Allow interface names as scope-id in IPv6
  link-local addresses.

Bug Fixes
- Add test tool readzone to .gitignore.
- Merge #521: Update mini_event.c.
- Merge #523: fix: free() call more than once with the same pointer.
- For #519: note stub-tcp-upstream and forward-tcp-upstream in
  the example configuration file.
- For #519: yacc and lex. And fix python bindings, and test program
  unbound-dnstap-socket.
- For #519: fix comments for doxygen.
- Fix to print error from unbound-anchor for writing to the key
  file, also when not verbose.
- For #514: generate configure.
- Fix for #431: Squelch permission denied errors for udp connect,
  and udp send, they are visible at higher verbosity settings.
- Fix zonemd verification of key that is not in DNS but in the zone
  and needs a chain of trust.
- zonemd, fix order of bogus printout string manipulation.
- Fix to support harden-algo-downgrade for ZONEMD dnssec checks.
- Merge PR #528 from fobser: Make sldns_str2wire_svcparam_buf()
  static.
- Fix #527: not sending quad9 cert to syslog (and may be more).
- Fix sed script in ssldir split handling.
- Fix #529: Fix: log_assert does nothing if UNBOUND_DEBUG is
  undefined.
- Fix #531: Fix: passed to proc after free.
- Fix #536: error: RPZ: name of record (drop.spamhaus.org.rpz.local.)
  to insert into RPZ.
- Fix the stream wait stream_wait_count_lock and http2 buffer locks
  setup and desetup from race condition.
- 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.
- Fix compile warning in libunbound for listen desetup routine.
- Fix asynclook unit test for setup of lockchecks before log.
- Fix #533: Negative responses get cached even when setting
  cache-max-negative-ttl: 1
- Fix tcp fastopen failure when disabled, try normal connect instead.
- Fix #538: Fix subnetcache statistics.
- Small fixes for #41: changelog, conflicts resolved,
  processQueryResponse takes an iterator env argument like other
  functions in the iterator, no colon in string for set_option,
  and some whitespace style, to make it similar to the rest.
- Fix for #41: change outbound retry to int to fix signed comparison
  warnings.
- Fix root_anchor test to check with new icannbundle date.
- Fix initialisation errors reported by gcc sanitizer.
- Fix lock debug code for gcc sanitizer reports.
- Fix more initialisation errors reported by gcc sanitizer.
- Fix crosscompile on windows to work with openssl 3.0.0 the
  link with ws2_32 needs -l:libssp.a for __strcpy_chk.
  Also copy results from lib64 directory if needed.
- For crosscompile on windows, detect 64bit stackprotector library.
- Fix crosscompile shell syntax.
- Fix crosscompile windows to use libssp when it exists.
- For the windows compile script disable gost.
- Fix that on windows, use BIO_set_callback_ex instead of deprecated
  BIO_set_callback.
- Fix crosscompile script for the shared build flags.
- Fix to add example.conf note for outbound-msg-retry.
- Fix chaos replies to have truncation for short message lengths,
  or long reply strings.
- Fix to protect custom regional create against small values.
- Fix #552: Unbound assumes index.html exists on RPZ host.
- Fix that forward-zone name is documented as the full name of the
  zone. It is not relative but a fully qualified domain name.
- Fix analyzer review failure in rpz action override code to not
  crash on unlocking the local zone lock.
- Fix to remove unused code from rpz resolve client and action
  function.
- Merge #565: unbound.service.in: Disable ProtectKernelTunables again.
- Fix for #558: fix loop in comm_point->tcp_free when a comm_point is
  reclaimed more than once during callbacks.
- Fix for #558: clear the UB_EV_TIMEOUT bit before adding an event.
- Improve EDNS option handling, now also works for synthesised
  responses such as local-data and server.id CH TXT responses.
- Merge PR #570 from rex4539: Fix typos.
- Fix for #570: regen aclocal.m4, fix configure.ac for spelling.
- Fix to make python module opt_list use opt_list_in.
- Fix #574: unbound-checkconf reports fatal error if interface names
  are used as value for interfaces:
- Fix #574: Review fixes for it.
- Fix #576: [FR] UB_* error codes in unbound.h
- Fix #574: Review fix for spelling.
- Fix to remove git tracking and ci information from release tarballs.
- iana portlist update.
- Merge PR #511 from yan12125: Reduce unnecessary linking.
- Merge PR #493 from Jaap: Fix generation of libunbound.pc.
- Merge PR #562 from Willem: Reset keepalive per new tcp session.
- Merge PR #522 from sibeream: memory management violations fixed.
- Merge PR #530 from Shchelk: Fix: dereferencing a null pointer.
- Fix #454: listen_dnsport.c:825: error: ‘IPV6_TCLASS’ undeclared.
- Fix #574: Review fixes for size allocation.
- Fix doc/unbound.doxygen to remove obsolete tag warning.

Best regards, Wouter

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