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| Name: unbound-devel | Distribution: openSUSE Tumbleweed |
| Version: 1.22.0 | Vendor: openSUSE |
| Release: 2.1 | Build date: Wed Nov 27 12:45:12 2024 |
| Group: Development/Libraries/C and C++ | Build host: reproducible |
| Size: 48832 | Source RPM: unbound-1.22.0-2.1.src.rpm |
| Packager: http://bugs.opensuse.org | |
| Url: https://www.unbound.net/ | |
| Summary: Development files for libunbound | |
Unbound is a validating, recursive, and caching DNS(SEC) resolver. This package holds the development files to work with libunbound.
BSD-3-Clause
* Wed Nov 27 2024 Johannes Kastl <[email protected]>
- add workaround for bug
https://github.com/NLnetLabs/unbound/issues/509
Starting up with 127.0.0.1 in the /etc/resolv.conf leads to long
delays if the anchor update is being run as ExecStartPre in the
unbound service
* Fri Oct 18 2024 Jorik Cronenberg <[email protected]>
- Update to 1.22.0:
Features:
* Add iter-scrub-ns, iter-scrub-cname and max-global-quota
configuration options.
* Merge patch to fix for glue that is outside of zone, with
`harden-unverified-glue`, from Karthik Umashankar (Microsoft).
Enabling this option protects the Unbound resolver against bad
glue, that is unverified out of zone glue, by resolving them.
It uses the records as last resort if there is no other working
glue.
* Add redis-command-timeout: 20 and redis-connect-timeout: 200,
that can set the timeout separately for commands and the
connection set up to the redis server. If they are not
specified, the redis-timeout value is used.
* Log timestamps in ISO8601 format with timezone. This adds the
option `log-time-iso: yes` that logs in ISO8601 format.
* DNS over QUIC. This adds `quic-port: 853` and `quic-size: 8m`
that enable dnsoverquic, and the counters `num.query.quic` and
`mem.quic` in the statistics output. The feature needs to be
enabled by compiling with libngtcp2, with
`--with-libngtcp2=path` and libngtcp2 needs openssl+quic, pass
that with `--with-ssl=path` to compile unbound as well.
Bug Fixes:
* unbound-control-setup hangs while testing for openssl presence
starting from version 1.21.0.
* Fix error: "memory exhausted" when defining more than 9994
local-zones.
* Fix documentation for cache_fill_missing function.
* Fix Loads of logs: "validation failure: key for validation
<domain>. is marked as invalid because of a previous" for
non-DNSSEC signed zone.
* Fix that when rpz is applied the message does not get picked up
by the validator. That stops validation failures for the
message.
* Fix that stub-zone and forward-zone clauses do not exhaust
memory for long content.
* Fix to print port number in logs for auth zone transfer
activities.
* b.root renumbering.
* Add new IANA trust anchor.
* Fix config file read for dnstap-sample-rate.
* Fix alloc-size and calloc-transposed-args compiler warnings.
* Fix to limit NSEC and NSEC3 TTL when aggressive nsec is enabled
(RFC9077).
* Fix dns64 with prefetch that the prefetch is stored in cache.
* Attempt to further fix doh_downstream_buffer_size.tdir
flakiness.
* More clear text for prefetch and minimal-responses in the
unbound.conf man page.
* Fix cache update when serve expired is used. Expired records
are favored over resolution and validation failures when
serve-expired is used.
* Fix negative cache NSEC3 parameter compares for zero length
NSEC3 salt.
* Fix unbound-control-setup hangs sometimes depending on the
openssl version.
* Fix Cannot override tcp-upstream and tls-upstream with
forward-tcp-upstream and forward-tls-upstream.
* Fix to limit NSEC TTL for messages from cachedb. Fix to limit
the prefetch ttl for messages after a CNAME with short TTL.
* Fix to disable detection of quic configured ports when quic is
not compiled in.
* Fix harden-unverified-glue for AAAA cache_fill_missing lookups.
* Fix contrib/aaaa-filter-iterator.patch for change in call
signature for cache_fill_missing.
* Fix to display warning if quic-port is set but dnsoverquic is
not enabled when compiled.
* Fix dnsoverquic to extend the number of streams when one is
closed.
* Fix for dnstap with dnscrypt and dnstap without dnsoverquic.
* Fix for dnsoverquic and dnstap to use the correct dnstap
environment.
- Update keyring
* Mon Oct 07 2024 Jorik Cronenberg <[email protected]>
- Update to 1.21.1:
Security Fixes:
* Fix CVE-2024-8508, unbounded name compression could lead to
denial of service.
[CVE-2024-8508, bsc#1231284]
- Update keyring
* Thu Aug 15 2024 Jorik Cronenberg <[email protected]>
- Update to 1.21.0:
Security Fixes:
* Merge #1073: fix null pointer dereference issue in function
ub_ctx_set_fwd.
[CVE-2024-43167, bsc#1229068]
Features:
* Fix #1071: [FR] Clear both in-memory and cachedb module cache
with `unbound-control flush*` commands.
* Fix #144: Port ipset to BSD pf tables.
* Add dnstap-sample-rate that logs only 1/N messages, for high
volume server environments. Thanks Dan Luther.
* Add root key 38696 from 2024 for DNSSEC validation. It is added
to the default root keys in unbound-anchor. The content can be
inspected with `unbound-anchor -l`.
* Merge #1090: Cookie secret file. Adds `cookie-secret-file:
"unbound_cookiesecrets.txt"` option to store cookie secrets for
EDNS COOKIE secret rollover. The remote control
add_cookie_secret, activate_cookie_secret and
drop_cookie_secret commands can be used for rollover, the
command print_cookie_secrets shows the values in use.
Bug Fixes:
* Fix CAMP issues with global quota. Thanks to Huayi
Duan, Marco Bearzi, Jodok Vieli, and Cagin Tanir from NetSec
group, ETH Zurich.
* Fix CacheFlush issues with limit on NS RRs. Thanks to Yehuda
Afek, Anat Bremler-Barr, Shoham Danino and Yuval Shavitt
(Tel-Aviv University and Reichman University).
* Merge #1062: Fix potential overflow bug while parsing port in
function cfg_mark_ports.
* Fix for #1062: declaration before statement, avoid print of
null, and redundant check for array size.
* Fix to squelch udp connect errors in the log at low verbosity
about invalid argument for IPv6 link local addresses.
* Fix when the mesh jostle is exceeded that nameserver targets
are marked as resolved, so that the lookup is not stuck on the
requestlist.
* Add missing common functions to tdir tests.
* Merge #1070: Fix rtt assignement for low values of
infra-cache-max-rtt.
* Merge #1069: Fix unbound-control stdin commands for
multi-process Unbounds.
* Fix unbound-control commands that read stdin in multi-process
operation (local_zones_remove, local_zones, local_datas_remove,
local_datas, view_local_datas_remove, view_local_datas). They
will be properly distributed to all processes. dump_cache and
load_cache are no longer supported in multi-process operation.
* Remove testdata/remote-threaded.tdir.
testdata/09-unbound-control.tdir now checks both single and
multi process/thread operation.
* Fix to print a parse error when config is read with no name for
a forward-zone, stub-zone or view.
* Fix for parse end of forward-zone, stub-zone and view.
* Fix for #1064: Fix that cachedb expired messages are considered
insecure, and thus can be served to clients when dnssec is
enabled.
* Fix #1059: Intermittent DNS blocking failure with local-zone
and always_nxdomain. Addition of local_zones dynamically via
unbound-control was not finding the zone's parent correctly.
* Fix #1064: Unbound 1.20 Cachedb broken?
* Fix unused variable warning on compilation with no thread
support.
* unbound-control-setup: check openssl availability before doing
anything, patch from Michael Tokarev.
* Update patch to remove 'command' shell builtin and update error
text.
* Fix to enable that SERVFAIL is cached, for a short period, for
more cases. In the cases where limits are exceeded.
* Fix spelling of tcp-idle-timeout docs, from Michael Tokarev.
* Merge #1078: Only check old pid if no username.
* Fix #1079: tags from tagged rpz zones are no longer honored
after upgrade from 1.19.3 to 1.20.0.
* Fix for #1079: fix RPZ taglist in iterator callback that no
client info is like no taglist intersection.
* Fix to squelch connection reset by peer errors from log. And
fix that the tcp read errors are labeled as initial for the
first calls.
* Merge #1080: AddressSanitizer detection in tdir tests and
memory leak fixes.
* Fix memory leak when reload_keep_cache is used and num-threads
changes.
* Fix memory leak on exit for unbound-dnstap-socket; creates
false negatives during testing.
* Fix memory leak in setup of dsa sig.
* Fix typos for 'the the' in text.
* Fix validation for repeated use of a DNAME record.
* Add unit test for validation of repeated use of a DNAME record.
* Fix #1091: Build fails with OpenSSL >= 3.0 built with
OPENSSL_NO_DEPRECATED.
* Fix #1092: Ubuntu 22.04 Jammy fails to compile unbound 1.20.0;
by adding helpful text for the Python interpreter version and
allowing the default pkg-config unavailability error message to
be shown.
* Fix pkg-config availability check in dnstap/dnstap.m4 and
systemd.m4.
* Explicitly set the RD bit for the mesh query flags when
prefetching. These queries have no waiting client but they need
to be treated as recursive.
* Fix ip-ratelimit-cookie setting, it was not applied.
* Fix to remove unused include from the readzone test program.
* Fix unused variable warning in do_cache_remove.
* Fix compile warning in worker pthread id printout.
* Add unit test skip files and bison and flex output to
gitignore.
* Fix to use modstack_init in zonemd unit test.
* Fix to remove unneeded linebreak in fptr_wlist.c.
* Fix compile warnings in fptr_wlist.c.
* Fix for repeated use of a DNAME record: first overallocate and
then move the exact size of the init value to avoid false
positive heap overflow reads from address sanitizers.
* Fix to print details about the failure to lookup a DNSKEY
record when validation fails due to the missing DNSKEY. Also
for key prime and DS lookups.
* Fix for neater printout for error for missing DS response.
* Fix neater printout.
* Fix #1099: Unbound core dump on SIGSEGV.
* Fix for #1099: Fix to check for deleted RRset when the contents
is updated and fetched after it is stored, and also check for a
changed RRset.
* Don't check for message TTL changes if the RRsets remain the
same.
* Fix that validation reason failure that uses string print uses
separate buffer that is passed, from the scratch validation
buffer.
* Fixup algo_needs_reason string buffer length.
* Fix shadowed error string variable in validator dnskey
handling.
* Update list of known EDE codes.
* For #773: In contrib/unbound.service.in set unbound to start
after network-online.target. Also for
contrib/unbound_portable.service.in.
* Fix #1103: unbound 1.20.0 segmentation fault with nghttp2.
* For #1103: fix to also drop mesh state reference when a h2
reply is dropped.
* Add RPZ tag tests in acl_interface.tdir.
* For #1102: clearer text for using interface-* options for the
loopback interface.
* For #1103: fix to also drop mesh state reference when the
discard limit is reached, when there is an error making a new
recursion state and when the connection is dropped with
is_drop.
* For #1103: Fix to drop mesh state reference for the http2
stream associated with the reply, not the currently active
stream. And it does not remove it twice on a mesh_send_reply
call. The reply h2_stream is NULL when not in use, for more
initialisation.
* Fix dnstap wakeup, a running wakeup timer is left to expire and
not increased, a timer is started when the dtio thread is
sleeping, the timer set disabled when the dtio thread goes to
sleep, and after sleep the thread checks to see if there are
messages to log immediately.
* Merge #1110: Make fallthrough explicit for libworker.c.
* For #1110: Test for fallthrough attribute in configure and add
fallthrough attribute annotations.
* Fix compile when the compiler does not support the noreturn
attribute.
* Fix to have empty definition when not supported for weak
attribute.
* Fix uninitialized variable warning in create_tcp_accept_sock.
* Fix link of dnstap without openssl.
* Fix link of unbound-dnstap-socket without openssl.
* Fix #1106: ratelimit-below-domain logs the wrong FROM address.
* Cleanup ede.tdir test.
* For #935 and #1104, clarify RPZ order and semantics.
* Fix to document parameters of auth_zone_verify_zonemd_with_key.
* Fix for #1114: Fix that cache fill for forward-host names is
performed, so that with nonzero target-fetch-policy it fetches
forwarder addresses and uses them from cache. Also updated that
delegation point cache fill routines use CDflag for AAAA
message lookups, so that its negative lookup stops a recursion
since the cache uses the bit for disambiguation for dns64 but
the recursion uses CDflag for the AAAA target lookups, so the
check correctly stops a useless recursion by its cache lookup.
* Fix dnstap test program, cleans up to have clean memory on
exit, for tap_data_free, does not delete NULL items. Also it
does not try to free the tail, specifically in the free of the
list since that picked up the next item in the list for its
loop causing invalid free. Added internal unit test to
unbound-dnstap-socket for that.
* Fix that the worker mem report with alloc stats does not
attempt to print memory use of forwards and hints if they have
been deleted already.
* Fix that alloc stats has strdup checks, it stops debuggers from
complaining about mismatch at free time.
* Fix testbound for alloc stats strdup in util/alloc.c.
* Fix that alloc stats for forwards and hints are printed, and
when alloc stats is enabled, the unit test for unbound control
waits for reloads to complete.
* Fix that for windows the module startup is called and sets up
the module-config.
* Fix spelling for the cache-min-negative-ttl entry in the
example.conf.
* Wed May 08 2024 Jorik Cronenberg <[email protected]>
- Update to 1.20.0:
Features:
* The config for discard-timeout, wait-limit, wait-limit-cookie,
wait-limit-netblock and wait-limit-cookie-netblock was added,
for the fix to the DNSBomb issue.
* Merge GH#1027: Introduce 'cache-min-negative-ttl' option.
* Merge GH#1043 from xiaoxiaoafeifei: Add loongarch support;
updates config.guess(2024-01-01) and config.sub(2024-01-01),
verified with upstream.
* Implement cachedb-check-when-serve-expired: yes option, default
is enabled. When serve expired is enabled with cachedb, it
first checks cachedb before serving the expired response.
* Fix GH#876: [FR] can unbound-checkconf be silenced when
configuration is valid?
Bug Fixes:
* Fix for the DNSBomb vulnerability CVE-2024-33655. Thanks to
Xiang Li from the Network and Information Security Lab of
Tsinghua University for reporting it.
* Update doc/unbound.doxygen with 'doxygen -u'. Fixes option
deprecation warnings and updates with newer defaults.
* Remove unused portion from iter_dname_ttl unit test.
* Fix validator classification of qtype DNAME for positive and
redirection answers, and fix validator signature routine for
dealing with the synthesized CNAME for a DNAME without
previously encountering it and also for when the qtype is
DNAME.
* Fix qname minimisation for reply with a DNAME for qtype CNAME
that answers it.
* Fix doc test so it ignores but outputs unsupported doxygen
options.
* Fix GH#1021 Inconsistent Behavior with Changing
rpz-cname-override and doing a unbound-control reload.
* Merge GH#1028: Clearer documentation for tcp-idle-timeout and
edns-tcp-keepalive-timeout.
* Fix GH#1029: rpz trigger clientip and action rpz-passthru not
working as expected.
* Fix rpz that the rpz override is taken in case of clientip
triggers. Fix that the clientip passthru action is logged. Fix
that the clientip localdata action is logged. Fix rpz override
action cname for the clientip trigger.
* Fix to unify codepath for local alias for rpz cname action
override.
* Fix rpz for cname override action after nsdname and nsip
triggers.
* Fix that addrinfo is not kept around but copied and freed, so
that log-destaddr uses a copy of the information, much like NSD
does.
* Merge GH#1030: Persist the openssl and expat directories for
repeated Windows builds.
* Fix that rpz CNAME content is limited to the max number of
cnames.
* Fix rpz, it follows iterator CNAMEs for nsip and nsdname and
sets the reply query_info values, that is better for debug
logging.
* Fix rpz that copies the cname override completely to the temp
region, so there are no references to the rpz region.
* Add rpz unit test for nsip action override.
* Fix rpz for qtype CNAME after nameserver trigger.
* Fix rpz so that rpz CNAME can apply after rpz CNAME. And fix
that clientip and nsip can give a CNAME.
* Fix localdata and rpz localdata to match CNAME only if no
direct type match is available.
* Merge GH#831 from Pierre4012: Improve Windows NSIS installer
script (setup.nsi).
* For GH#831: Format text, use exclamation icon and explicit label
names.
* Fix name of unit test for subnet cache response.
* Fix GH#1032: The size of subnet_msg_cache calculation mistake
cause memory usage increased beyond expectations.
* Fix for GH#1032, add safeguard to make table space positive.
* Fix comment in lruhash space function.
* Fix to add unit test for lruhash space that exercises the
routines.
* Fix that when the server truncates the pidfile, it does not
follow symbolic links.
* Fix that the server does not chown the pidfile.
* Fix GH#1034: DoT forward-zone via unbound-control.
* Fix for crypto related failures to have a better error string.
* Fix GH#1035: Potential Bug while parsing port from the
"stub-host" string; also affected forward-zones and
remote-control host directives.
* Fix GH#369: dnstap showing extra responses; for client responses
right from the cache when replying with expired data or
prefetching.
* Fix GH#1040: fix heap-buffer-overflow issue in function
cfg_mark_ports of file util/config_file.c.
* For GH#1040: adjust error text and disallow negative ports in
other parts of cfg_mark_ports.
* Fix comment syntax for view function views_find_view.
* Fix GH#595: unbound-anchor cannot deal with full disk; it will
now first write out to a temp file before replacing the
original one, like Unbound already does for
auto-trust-anchor-file.
* Fixup compile without cachedb.
* Add test for cachedb serve expired.
* Extended test for cachedb serve expired.
* Fix makefile dependencies for fake_event.c.
* Fix cachedb for serve-expired with serve-expired-reply-ttl.
* Fix to not reply serve expired unless enabled for cachedb.
* Fix cachedb for serve-expired with
serve-expired-client-timeout.
* Fixup unit test for cachedb server expired client timeout with
a check if response if from upstream or from cachedb.
* Fixup cachedb to not refetch when serve-expired-client-timeout
is used.
* Merge GH#1049 from Petr Menšík: Py_NoSiteFlag is not needed since
Python 3.8
* Fix GH#1048: Update ax_pkg_swig.m4 and ax_pthread.m4.
* Fix configure, autoconf for GH#1048.
* Add checklock feature verbose_locking to trace locks and
unlocks.
* Fix edns subnet to sort rrset references when storing messages
in the cache. This fixes a race condition in the rrset locks.
* Merge GH#1053: Remove child delegations from cache when
grandchild delegations are returned from parent.
* Fix ci workflow for macos for moved install locations.
* Fix configure flto check error, by finding grep for it.
* Merge GH#1041: Stub and Forward unshare. This has one structure
for them and fixes GH#1038: fatal error: Could not initialize
thread / error: reading root hints.
* Fix to disable fragmentation on systems with IP_DONTFRAG, with
a nonzero value for the socket option argument.
* Fix doc unit test for out of directory build.
* Fix cachedb with serve-expired-client-timeout disabled. The
edns subnet module deletes global cache and cachedb cache when
it stores a result, and serve-expired is enabled, so that the
global reply, that is older than the ecs reply, does not return
after the ecs reply expires.
* Add unit tests for cachedb and subnet cache expired data.
* Man page entry for unbound-checkconf -q.
* Cleanup unnecessary strdup calls for EDE strings.
* Fix doxygen comment for errinf_to_str_bogus.
* Wed Mar 20 2024 Jorik Cronenberg <[email protected]>
- Update to 1.19.3:
* Features:
- Merge PR #973: Use the origin (DNAME) TTL for synthesized
CNAMEs as per RFC 6672.
* Bug Fixes
- Fix unit test parse of origin syntax.
- Use 127.0.0.1 explicitly in tests to avoid delays and errors
on newer systems.
- Fix #964: config.h.in~ backup file in release tar balls.
- Merge #968: Replace the obsolescent fgrep with grep -F in
tests.
- Merge #971: fix 'WARNING: Message has 41 extra bytes at end'.
- Fix #969: [FR] distinguish Do53, DoT and DoH in the logs.
- Fix dnstap that assertion failed on logging other than UDP
and TCP traffic. It lists it as TCP traffic.
- Fix to sync the tests script file common.sh.
- iana portlist update.
- Updated IPv4 and IPv6 address for b.root-servers.net in root
hints.
- Update test script file common.sh.
- Fix tests to use new common.sh functions, wait_logfile and
kill_from_pidfile.
- Fix #974: doc: default number of outgoing ports without
libevent.
- Merge #975: Fixed some syntax errors in rpl files.
- Fix root_zonemd unit test, it checks that the root ZONEMD
verifies, now that the root has a valid ZONEMD.
- Update example.conf with cookie options.
- Merge #980: DoH: reject non-h2 early. To fix #979: Improve
errors for non-HTTP/2 DoH clients.
- Merge #985: Add DoH and DoT to dnstap message.
- Fix #983: Sha1 runtime insecure change was incomplete.
- Remove unneeded newlines and improve indentation in remote
control code.
- Merge #987: skip edns frag retry if advertised udp payload
size is not smaller.
- Fix unit test for #987 change in udp1xxx retry packet send.
- Merge #988: Fix NLnetLabs#981: dump_cache truncates large
records.
- Fix to link with -lcrypt32 for OpenSSL 3.2.0 on Windows.
- Fix to link with libssp for libcrypto and getaddrinfo check
for only header. Also update crosscompile to remove ssp for
32bit.
- Merge #993: Update b.root-servers.net also in example config
file.
- Update workflow for ports to use newer openssl on windows
compile.
- Fix warning for windres on resource files due to
redefinition.
- Fix for #997: Print details for SSL certificate failure.
- Update error printout for duplicate trust anchors to include
the trust anchor name (relates to #920).
- Update message TTL when using cached RRSETs. It could result
in non-expired messages with expired RRSETs (non-usable
messages by Unbound).
- Merge #999: Search for protobuf-c with pkg-config.
- Fix #1006: Can't find protobuf-c package since #999.
- Fix documentation for access-control in the unbound.conf man
page.
- Merge #1010: Mention REFUSED has the TC bit set with
unmatched allow_cookie acl in the manpage. It also fixes the
code to match the documentation about clients with a valid
cookie that bypass the ratelimit regardless of the
allow_cookie acl.
- Document the suspend argument for process_ds_response().
- Move github workflows to use checkoutv4.
- Fix edns subnet replies for scope zero answers to not get
stored in the global cache, and in cachedb, when the upstream
replies without an EDNS record.
- Fix for #1022: Fix ede prohibited in access control refused
answers.
- Fix unbound-control-setup.cmd to use 3072 bits so that
certificates are long enough for newer OpenSSL versions.
- Fix TTL of synthesized CNAME when a DNAME is used from cache.
- Fix unbound-control-setup.cmd to have CA v3 basicConstraints,
like unbound-control-setup.sh has.
* Fri Mar 08 2024 Jorik Cronenberg <[email protected]>
- Update to 1.19.2:
* Bug Fixes:
- Fix CVE-2024-1931, Denial of service when trimming EDE text
on positive replies.
[bsc#1221164]
* Wed Feb 28 2024 Pedro Monreal <[email protected]>
- Update to 1.19.1:
* Bug Fixes: [bsc#1219823, CVE-2023-50387][bsc#1219826, CVE-2023-50868]
- Fix CVE-2023-50387, DNSSEC verification complexity can be
exploited to exhaust CPU resources and stall DNS resolvers.
- Fix CVE-2023-50868, NSEC3 closest encloser proof can exhaust CPU.
* Tue Feb 06 2024 Stefan Seyfried <[email protected]>
- as we use --disable-explicit-port-randomisation, also disable
outgoing-port-permit and outgoing-port-avoid in config file to
suppress the related unbound-checkconf warnings on every start
* Tue Jan 23 2024 Jakob Lorenz <[email protected]>
- Use prefixes instead of sudo in unbound.service (boo#1215628)
* Fri Nov 17 2023 Pedro Monreal <[email protected]>
- Update to 1.19.0:
* Features:
- Fix #850: [FR] Ability to use specific database in Redis, with
new redis-logical-db configuration option.
- Merge #944: Disable EDNS DO. Disable the EDNS DO flag in upstream
requests. This can be helpful for devices that cannot handle
DNSSEC information. But it should not be enabled otherwise, because
that would stop DNSSEC validation. The DNSSEC validation would not
work for Unbound itself, and also not for downstream users. Default
is no. The option is disable-edns-do: no
- Expose the script filename in the Python module environment 'mod_env'
instead of the config_file structure which includes the linked list
of scripts in a multi Python module setup; fixes #79.
- Expose the configured listening and outgoing interfaces, if any, as
a list of strings in the Python 'config_file' class instead of the
current Swig object proxy; fixes #79.
- Mailing list patches from Daniel Gröber for DNS64 fallback to plain
AAAA when no A record exists for synthesis, and minor DNS64 code
refactoring for better readability.
- Merge #951: Cachedb no store. The cachedb-no-store: yes option is
used to stop cachedb from writing messages to the backend storage.
It reads messages when data is available from the backend.
The default is no.
* Bug Fixes:
- Fix for version generation race condition that ignored changes.
- Fix #942: 1.18.0 libunbound DNS regression when built without OpenSSL.
- Fix for WKS call to getservbyname that creates allocation on exit in
unit test by testing numbers first and testing from the services list later.
- Fix autoconf 2.69 warnings in configure.
- Fix #927: unbound 1.18.0 make test error. Fix make test without SHA1.
- Merge #931: Prevent warnings from -Wmissing-prototypes.
- Fix to scrub resource records of type A and AAAA that have an
inappropriate size. They are removed from responses.
- Fix to move msgparse_rrset_remove_rr code to util/msgparse.c.
- Fix to add EDE text when RRs have been removed due to length.
- Fix to set ede match in unit test for rr length removal.
- Fix to print EDE text in readable form in output logs.
- Fix send of udp retries when ENOBUFS is returned. It stops looping
and also waits for the condition to go away. Reported by Florian Obser.
- Fix authority zone answers for obscured DNAMEs and delegations.
- Merge #936: Check for c99 with autoconf versions prior to 2.70.
- Fix to remove two c99 notations.
- Fix rpz tcp-only action with rpz triggers nsdname and nsip.
- Fix misplaced comment.
- Merge #881: Generalise the proxy protocol code.
- Fix #946: Forwarder returns servfail on upstream response noerror no data.
- Fix edns subnet so that queries with a source prefix of zero cause the
recursor send no edns subnet option to the upstream.
- Fix that printout of EDNS options shows the EDNS cookie option by name.
- Fix infinite loop when reading multiple lines of input on a broken remote
control socket. Addesses #947 and #948.
- Fix #949: "could not create control compt".
- Fix that cachedb does not warn when serve-expired is disabled about use
of serve-expired-reply-ttl and serve-expired-client-timeout.
- Fix for #949: Fix pythonmod/ubmodule-tst.py for Python 3.x.
- Better fix for infinite loop when reading multiple lines of input on a
broken remote control socket, by treating a zero byte line the same as
transmission end. Addesses #947 and #948.
- For multi Python module setups, clean previously parsed module functions
in __main__'s dictionary, if any, so that only current module functions
are registered.
- Fix #954: Inconsistent RPZ handling for A record returned along with CNAME.
- Fixes for the DNS64 patches.
- Update the dns64_lookup.rpl test for the DNS64 fallback patch.
- Merge #955 from buevsan: fix ipset wrong behavior.
- Update testdata/ipset.tdir test for ipset fix.
- Fix to print detailed errors when an SSL IO routine fails via SSL_get_error.
- Clearer configure text for missing protobuf-c development libraries.
- autoconf.
- Merge #930 from Stuart Henderson: add void to log_ident_revert_to_default
declaration.
- Fix #941: dnscrypt doesn't work after upgrade to 1.18 with suggestion by
dukeartem to also fix the udp_ancil with dnscrypt.
- Fix SSL compile failure for definition in log_crypto_err_io_code_arg.
- Fix SSL compile failure for other missing definitions in log_crypto_err_io_code_arg.
- Fix compilation without openssl, remove unused function warning.
- Mention flex and bison in README.md when building from repository source.
* Thu Sep 07 2023 Pedro Monreal <[email protected]>
- Update to 1.18.0:
* Features:
- Аdd a metric about the maximum number of collisions in lrushah.
- Set max-udp-size default to 1232. This is the same default value
as the default value for edns-buffer-size. It restricts client
edns buffer size choices, and makes unbound behave similar to
other DNS resolvers.
- Add harden-unknown-additional option. It removes unknown records
from the authority section and additional section.
- Added new static zone type block_a to suppress all A queries for
specific zones.
- [FR] Ability to use Redis unix sockets.
- [FR] Ability to set the Redis password.
- Features/dropqueuedpackets, with sock-queue-timeout option that
drops packets that have been in the socket queue for too long.
Added statistics num.queries_timed_out and query.queue_time_us.max
that track the socket queue timeouts.
- 'eqvinox' Lamparter: NAT64 support.
- [FR] Use kernel timestamps for dnstap.
- Add cachedb hit stat. Introduces 'num.query.cachedb' as a new
statistical counter.
- Add SVCB dohpath support.
- Add validation EDEs to queries where the CD bit is set.
- Add prefetch support for subnet cache entries.
- Add EDE (RFC8914) caching.
- Add support for EDE caching in cachedb and subnetcache.
- Downstream DNS Server Cookies a la RFC7873 and RFC9018. Create server
cookies for clients that send client cookies. This needs to be explicitly
turned on in the config file with: `answer-cookie: yes`.
* Bug Fixes
- Response change to NODATA for some ANY queries since 1.12.
- Fix not following cleared RD flags potentially enables
amplification DDoS attacks.
- Set default for harden-unknown-additional to no. So that it
does not hamper future protocol developments.
- Fix to ignore entirely empty responses, and try at another authority.
This turns completely empty responses, a type of noerror/nodata into
a servfail, but they do not conform to RFC2308, and the retry can fetch
improved content.
- Allow TTL refresh of expired error responses.
- Fix: Unexpected behavior with client-subnet-always-forward and serve-expired
- Fix unbound-dnstap-socket test program to reply the finish frame over
a TLS connection correctly.
- Fix: reserved identifier violation
- Fix: Unencrypted query is sent when forward-tls-upstream: yes is used
without tls-cert-bundle
- Extra consistency check to make sure that when TLS is requested,
either we set up a TLS connection or we return an error.
- Fix: NXDOMAIN instead of NOERROR rcode when asked for existing CNAME record.
- Fix: Bad interaction with 0 TTL records and serve-expired
- Fix RPZ IP responses with trigger rpz-drop on cache entries.
- Fix RPZ removal of client-ip, nsip, nsdname triggers from IXFR.
- Fix dereference of NULL variable warning in mesh_do_callback.
- Fix ip_ratelimit test to work with dig that enables DNS cookies.
- Fix for iter_dec_attempts that could cause a hang, part of capsforid
and qname minimisation, depending on the settings.
- Fix uninitialized memory passed in padding bytes of cmsg to sendmsg.
- Fix stat_values test to work with dig that enables DNS cookies.
- unbound.service: Main process exited, code=killed, status=11/SEGV.
Fixes cachedb configuration handling.
- Fix: processQueryResponse() THROWAWAY should be mindful of fail_reply.
* Thu Aug 24 2023 Marcus Rueckert <[email protected]>
- openSUSE:Factory libunbound-devel-mini flavor is configured to
sync build counter with unbound package. This means it always
triggers a bootstrap no matter which of the packages got
initially triggered.
I am not sure if this is needed at all, if yes, please accept
this request and forward with an explenation.
If not, just decline it and we will remove the build counter
syncing in factory as well.
This adds the !BcntSyncTag: unbound to the mini spec file
Details:
https://lists.opensuse.org/archives/list/[email protected]/thread/6GUU6JUQE72WCWEZCSLQYJLVVTNHBVTE/
* Thu May 04 2023 Frederic Crozat <[email protected]>
- Add _multibuild to define additional spec files as additional
flavors.
Eliminates the need for source package links in OBS.
* Thu Feb 23 2023 Pedro Monreal <[email protected]>
- Update to 1.17.1:
* Features:
- Expose 'statistics-inhibit-zero' as a configuration option;
the default value retains Unbound's behavior.
- Expose 'max-sent-count' as a configuration option; the default
value retains Unbound's behavior.
- Merge #461 from Christian Allred: Add max-query-restarts option.
Exposes an internal configuration but the default value retains
Unbound's behavior.
- Merge #569 from JINMEI Tatuya: add keep-cache option to
'unbound-control reload' to keep caches.
* Bug Fixes:
- Merge #768 from fobser: Arithmetic on a pointer to void is a
GNU extension.
- In unit test, print python script name list correctly.
- testcode/dohclient sets log identity to its name.
- Clarify the use of MAX_SENT_COUNT in the iterator code.
- Fix that cachedb does not store failures in the external cache.
- Merge #767 from jonathangray: consistently use IPv4/IPv6 in
unbound.conf.5.
- Fix to ignore tcp events for closed comm points.
- Fix to make sure to not read again after a tcp comm point is
closed.
- Fix #775: libunbound: subprocess reap causes parent process
reap to hang.
- iana portlist update.
- Complementary fix for distutils.sysconfig deprecation in
Python 3.10 to commit 62c5039ab9da42713e006e840b7578e01d66e7f2.
- Fix #779: [doc] Missing documention in ub_resolve_event() for
callback parameter was_ratelimited.
- Ignore expired error responses.
- Merge #720 from jonathangray: fix use after free when
WSACreateEvent() fails.
- Fix for the ignore of tcp events for closed comm points,
preserve the use after free protection features.
- Fix #782: Segmentation fault in stats.c:404.
- Add SVCB and HTTPS to the types removed by 'unbound-control flush'.
- Clear documentation for interactivity between the subnet module
and the serve-expired and prefetch configuration options.
- Fix #773: When used with systemd-networkd, unbound does not start
until systemd-networkd-wait-online.service times out.
- Merge #808: Wrap Makefile script's directory variables in quotes.
- Fix to wrap Makefile scripts directory in quotes for uninstall.
- Fix windows compile for libunbound subprocess reap comm point closes.
- Update github workflows to use checkout v3.
- Fix wildcard in hyperlocal zone service degradation, reported
by Sergey Kacheev.
* Add signature and keyring files
* Thu Dec 29 2022 Wolfgang Frisch <[email protected]>
- Tighten permissions (boo#1173619)
- Add missing dependency: unbound-control-setup needs /usr/bin/openssl.
* Thu Oct 13 2022 Michael Ströder <[email protected]>
- update to 1.17.0
* Features
- Merge #753: ACL per interface. (New interface-* configuration
options).
- Merge #760: PROXYv2 downstream support. (New proxy-protocol-port
configuration option).
* Bug Fixes
- Fix #728: alloc_reg_obtain() core dump. Stop double
alloc_reg_release when serviced_create fails.
- Fix edns subnet so that scope 0 answers only match sourcemask 0
queries for answers from cache if from a query with sourcemask 0.
- Fix unittest for edns subnet change.
- Merge #730 from luisdallos: Fix startup failure on Windows 8.1 due
to unsupported IPV6_USER_MTU socket option being set.
- Fix ratelimit inconsistency, for ip-ratelimits the value is the
amount allowed, like for ratelimits.
- Fix #734 [FR] enable unbound-checkconf to detect more (basic)
errors.
- Fix to log accept error ENFILE and EMFILE errno, but slowly, once
per 10 seconds. Also log accept failures when no slow down is used.
- Fix to avoid process wide fcntl calls mixed with nonblocking
operations after a blocked write.
- Patch from Vadim Fedorenko that adds MSG_DONTWAIT to receive
operations, so that instruction reordering does not cause mistakenly
blocking socket operations.
- Fix to wait for blocked write on UDP sockets, with a timeout if it
takes too long the packet is dropped.
- Fix for wait for udp send to stop when packet is successfully sent.
- Fix #741: systemd socket activation fails on IPv6.
- Fix to update config tests to fix checking if nonblocking sockets
work on OpenBSD.
- Slow down log frequency of write wait failures.
- Fix to set out of file descriptor warning to operational verbosity.
- Fix to log a verbose message at operational notice level if a
thread is not responding, to stats requests. It is logged with
thread identifiers.
- Remove include that was there for debug purposes.
- Fix to check pthread_t size after pthread has been detected.
- Convert tdir tests to use the new skip_test functionality.
- Remove unused testcode/mini_tpkg.sh file.
- Better output for skipped tdir tests.
- Fix doxygen warning in respip.h.
- Fix to remove erroneous TC flag from TCP upstream.
- Fix test tdir skip report printout.
- Fix windows compile, the identifier interface is defined in headers.
- Fix to close errno block in comm_point_tcp_handle_read outside of
ifdef.
- Fix static analysis report to remove dead code from the
rpz_callback_from_iterator_module function.
- Fix to clean up after the acl_interface unit test.
- Merge #764: Leniency for target discovery when under load (for
NRDelegation changes).
- Use DEBUG_TDIR from environment in mini_tdir.sh for debugging.
- Fix string comparison in mini_tdir.sh.
- Make ede.tdir test more predictable by using static data.
- Fix checkconf test for dnscrypt and proxy port.
- Fix dnscrypt compile for proxy protocol code changes.
- Fix to stop responses with TC flag from resulting in partial
responses. It retries to fetch the data elsewhere, or fails the
query and in depth fix removes the TC flag from the cached item.
- Fix proxy length debug output printout typecasts.
- 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.
- Fix PROXYv2 header read for TCP connections when no proxied addresses
are provided.
* Wed Sep 21 2022 Michael Ströder <[email protected]>
- update to 1.16.3
fixes Non-Responsive Delegation Attack (CVE-2022-3204)
* Mon Aug 01 2022 Michael Ströder <[email protected]>
- update to 1.16.2 (boo#1202031 boo#1202033)
* Features
- Merge #718: Introduce infra-cache-max-rtt option to config max
retransmit timeout.
* Bug Fixes
- Fix the novel ghost domain issues CVE-2022-30698 and CVE-2022-30699.
- Fix bug introduced in 'improve val_sigcrypt.c::algo_needs_missing for
one loop pass'.
- Merge PR #668 from Cristian Rodríguez: Set IP_BIND_ADDRESS_NO_PORT on
outbound tcp sockets.
- Fix verbose EDE error printout.
- Fix dname count in sldns parse type descriptor for SVCB and HTTPS.
- For windows crosscompile, fix setting the IPV6_MTU socket option
equivalent (IPV6_USER_MTU); allows cross compiling with latest
cross-compiler versions.
- Merge PR 714: Avoid treat normal hosts as unresponsive servers.
And fixup the lock code.
- iana portlist update.
- Update documentation for 'outbound-msg-retry:'.
- Tests for ghost domain fixes.
* Mon Jul 11 2022 Michael Ströder <[email protected]>
- update to 1.16.1
* Features
- Fix #704: [FR] Statistics counter for number of outgoing UDP queries
sent; introduces 'num.query.udpout' to the 'unbound-control stats'
command.
* Bug Fixes
- makedist.sh picks up 32bit libssp-0.dll when 32bit compile.
- Fix for edns client subnet to respect not looking in its cache when
instructed to do so (e.g., prefetch).
- Merge PR #688: Rpz url notify issue.
- Note in the unbound.conf text that NOTIFY is allowed from the url:
addresses for auth and rpz zones.
- Remove unused LDNS function check for GOST Engine unloading.
- Fix for loading locally stored zones that have lines with blanks or
blanks and comments.
- Fix #663: use after free issue with edns options.
- Clarify -v flag manpage entry (#705)
- Fix test program dohclient close to use portability routine.
- Show the output of the exact .rpl run that failed with 'make test'.
- Fix for cached 0 TTL records to not trigger prefetching when
serve-expired-client-timeout is set.
- Add debug option to the mini_tdir.sh test code.
- Fix to not count cached NXDOMAIN for MAX_TARGET_NX.
- Allow fallback to the parent side when MAX_TARGET_NX is reached.
This will also allow MAX_TARGET_NX more NXDOMAINs.
- iana portlist update.
- Fix detection of libz on windows compile with static option.
- Fix compile warning for windows compile.
- Merge PR #706: NXNS fallback.
- From #706: Cached NXDOMAIN does not increase the target nx
responses.
- From #706: Don't generate parent side queries if we already
have the lame records in cache.
- From #706: When a lame address is the best choice, don't try to
generate target queries when the missing targets are all lame.
- Merge PR #671 from Petr Menšík: Disable ED25519 and ED448 in FIPS
mode on openssl3.
- Merge PR #660 from Petr Menšík: Sha1 runtime insecure.
- For #660: formatting, less verbose logging, add EDE information.
- Fix for correct openssl error when adding windows CA certificates to
the openssl trust store.
- Improve val_sigcrypt.c::algo_needs_missing for one loop pass.
- Reintroduce documentation and more EDE support for
val_sigcrypt.c::dnskeyset_verify_rrset_sig.
- Fix bug introduced in 'improve val_sigcrypt.c::algo_needs_missing for
one loop pass'.
- Merge PR #668 from Cristian Rodríguez: Set IP_BIND_ADDRESS_NO_PORT on
outbound tcp sockets.
* Thu Jun 02 2022 Michael Ströder <[email protected]>
- update to 1.16.0
* Features
- Merge PR #604: Add basic support for EDE (RFC8914).
* Bug Fixes
- Fix #412: cache invalidation issue with CNAME+A.
- Fix that TCP interface does not use TLS when TLS is also configured.
- Fix #624: Unable to stop Unbound in Windows console (does not
respond to CTRL+C command).
- Fix #618: enabling interface-automatic disables DNS-over-TLS.
Adds the option to list interface-automatic-ports.
- Remove debug info from #618 fix.
- Fix #628: A rpz-passthru action is not ending RPZ zone processing.
- Fix for #628: fix rpz-passthru for qname trigger by localzone type.
- Fix that address not available is squelched from the logs for
udp connect failures. It is visible on verbosity 4 and more.
- Merge #631 from mollyim: Replace OpenSSL's ERR_PACK with
ERR_GET_REASON.
- Fix to detect that no IPv6 support means that IPv6 addresses are
useless for delegation point lookups.
- update Makefile dependencies.
- Fix check interface existence for support detection in remote lookup.
- Fix #633: Document unix domain socket support for unbound-control.
- Fix for #633: updated fix with new text.
- 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.
- Fix for edns client subnet option add fix in removal code, from review.
- Fix #630: Unify the RPZ log messages.
- Merge #623 from rex4539: Fix typos.
- Fix pythonmod for change in iter_dp_is_useless function prototype.
- Fix compile warnings for printf ll format on mingw compile.
- Merge PR #632 from scottrw93: Match cnames in ipset.
- Various fixes for #632: variable initialisation, convert the qinfo
to str once, accept trailing dot in the local-zone ipset option.
- Fix #637: Integer Overflow in sldns_str2period function.
- Fix for #637: fix integer overflow checks in sldns_str2period.
- Fix configure for python to use sysutils, because distutils is
deprecated. It uses sysutils when available, distutils otherwise.
- Merge #644: Make `install-lib` make target install the pkg-config
file.
- Fix to ensure uniform handling of spaces and tabs when parsing RRs.
- Fix to describe auth-zone and other configuration at the local-zone
configuration option, to allow for more broadly view of the options.
- Merge PR #648 from eaglegai: fix -q doesn't work when use with
'unbound-control stats_shm'.
- Fix #651: [FR] Better logging for refused queries.
- Fix spelling error in comment in sldns_str2wire_svcparam_key_lookup.
- 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.
- Fix zonemd unsupported algo check.
- Fix zonemd unsupported algo check reason to not copy to next record,
and check for success for debug printout.
- Fix zonemd unsupported algo check to print unsupported reason before
zeroing it.
- 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.
- Fix #670: SERVFAIL problems with unbound 1.15.0 running on
OpenBSD 7.1.
- Fix Python build in non-source directory; based on patch by
Michael Tokarev.
- Fix #673: DNS over TLS: error: SSL_handshake syscall: No route to
host.
- Merge #677: Allow using system certificates not only on Windows,
from pemensik.
- For #677: Added tls-system-cert to config parser and documentation.
- Fix #417: prefetch and ECS causing cache corruption when used
together.
- Fix #678: [FR] modify behaviour of unbound-control rpz_enable zone,
by updating unbound-control's documentation.
- Fix typos in config_set_option for the 'num-threads' and
'ede-serve-expired' options.
- Fix to silence test for ede error output to the console from the
test setup script.
- Fix ede test to not use default pidfile, and use local interface.
- Fix some lint type warnings.
- Fix #684: [FTBS] configure script error with libmnl on openSUSE 15.3
(and possibly other distributions)
* Tue Apr 19 2022 Dirk Müller <[email protected]>
- drop python2 packages
- update to 1.15.0:
This release has bug fixes for crashes that happened on heavy network
usage. The default for the aggressive-nsec option has changed, it is now
enabled.
The ratelimit logic had to be reworked for the crash fixes. As a result,
there are new options to control the behaviour of ratelimiting.
The ratelimit-backoff and ip-ratelimit-backoff options can be used to
control how severe the backoff is when the ratelimit is exceeded.
The rpz-signal-nxdomain-ra option can be used to unset the RA flag, for
NXDOMAIN answers from RPZ. That is used by some clients to detect that
the domain is externally blocked. The RPZ option for-downstream can be
used like for auth zones, this allows the RPZ zone information to be queried.
That can be useful for monitoring scripts.
Features
- 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.
- Add rpz: for-downstream: yesno option, where the RPZ zone is
authoritatively answered for, so the RPZ zone contents can be
checked with DNS queries directed at the RPZ zone.
- Merge PR #616: Update ratelimit logic. It also introduces
ratelimit-backoff and ip-ratelimit-backoff configuration options.
- Change aggressive-nsec default to yes.
Bug Fixes
- Fix compile warning for if_nametoindex on windows 64bit.
- Merge PR #581 from fobser: Fix -Wmissing-prototypes and -Wshadow
warnings in rpz.
- Fix validator debug output about DS support, print correct algorithm.
- Add code similar to fix for ldns for tab between strings, for
consistency, the test case was not broken.
- 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.
- Fix to pick up other class local zone information before unlock.
- Add missing configure flags for optional features in the
documentation.
- Fix Unbound capitalization in the documentation.
- Fix #591: Unbound-anchor manpage links to non-existent license file.
- contrib/aaaa-filter-iterator.patch file renewed diff content to
apply cleanly to the current coderepo for the current code version.
- Fix to add test for rpz-signal-nxdomain-ra.
- Fix #596: only unset RA when NXDOMAIN is signalled.
- Fix that RPZ does not set RD flag on replies, it should be copied
from the query.
- Fix for #596: fix that rpz return message is returned and not just
the rcode from the iterator return path. This fixes signal unset RA
after a CNAME.
- Fix unit tests for rpz now that the AA flag returns successfully from
the iterator loop.
- Fix for #596: add unit test for nsdname trigger and signal unset RA.
- Fix for #596: add unit test for nsip trigger and signal unset RA.
- Fix #598: Fix unbound-checkconf fatal error: module conf
'respip dns64 validator iterator' is not known to work.
- Fix for #596: Fix rpz-signal-nxdomain-ra to work for clientip
triggered operation.
- Merge #600 from pemensik: Change file mode before changing file
owner.
- Fix prematurely terminated TCP queries when a reply has the same ID.
- For #602: Allow the module-config "subnetcache validator cachedb
iterator".
- Fix EDNS to upstream where the same option could be attached
more than once.
- Add a region to serviced_query for allocations.
- For dnstap, do not wakeupnow right there. Instead zero the timer to
force the wakeup callback asap.
- Fix #610: Undefine-shift in sldns_str2wire_hip_buf.
- Fix #588: Unbound 1.13.2 crashes due to p->pc is NULL in
serviced_udp_callback.
- Merge PR #612: TCP race condition.
- Test for NSID in SERVFAIL response due to DNSSEC bogus.
- Fix #599: [FR] RFC 9156 (obsoletes RFC 7816), by noting the new RFC
document.
- Fix tls-* and ssl-* documented alternate syntax to also be available
through remote-control and unbound-checkconf.
- Better cleanup on failed DoT/DoH listening socket creation.
- iana portlist update.
- Fix review comment for use-after-free when failing to send UDP out.
- Merge PR #603 from fobser: Use OpenSSL 1.1 API to access DSA and RSA
internals.
- Merge PR #532 from Shchelk: Fix: buffer overflow bug.
- Merge PR #617: Update stub/forward-host notation to accept port and
tls-auth-name.
- Update stream_ssl.tdir test to also use the new forward-host
notation.
- Fix header comment for doxygen for authextstrtoaddr.
- please clang analyzer for loop in test code.
- Fix docker splint test to use more portable uname.
- Update contrib/aaaa-filter-iterator.patch with diff for current
software version.
- Fix for #611: Integer overflow in sldns_wire2str_pkt_scan.
* Thu Feb 10 2022 Michael Ströder <[email protected]>
- update to 1.15.0
Features
- 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.
- Add rpz: for-downstream: yesno option, where the RPZ zone is
authoritatively answered for, so the RPZ zone contents can be
checked with DNS queries directed at the RPZ zone.
- Merge PR #616: Update ratelimit logic. It also introduces
ratelimit-backoff and ip-ratelimit-backoff configuration options.
- Change aggressive-nsec default to yes.
Bug Fixes
- Fix compile warning for if_nametoindex on windows 64bit.
- Merge PR #581 from fobser: Fix -Wmissing-prototypes and -Wshadow
warnings in rpz.
- Fix validator debug output about DS support, print correct algorithm.
- Add code similar to fix for ldns for tab between strings, for
consistency, the test case was not broken.
- 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.
- Fix to pick up other class local zone information before unlock.
- Add missing configure flags for optional features in the
documentation.
- Fix Unbound capitalization in the documentation.
- Fix #591: Unbound-anchor manpage links to non-existent license file.
- contrib/aaaa-filter-iterator.patch file renewed diff content to
apply cleanly to the current coderepo for the current code version.
- Fix to add test for rpz-signal-nxdomain-ra.
- Fix #596: only unset RA when NXDOMAIN is signalled.
- Fix that RPZ does not set RD flag on replies, it should be copied
from the query.
- Fix for #596: fix that rpz return message is returned and not just
the rcode from the iterator return path. This fixes signal unset RA
after a CNAME.
- Fix unit tests for rpz now that the AA flag returns successfully from
the iterator loop.
- Fix for #596: add unit test for nsdname trigger and signal unset RA.
- Fix for #596: add unit test for nsip trigger and signal unset RA.
- Fix #598: Fix unbound-checkconf fatal error: module conf
'respip dns64 validator iterator' is not known to work.
- Fix for #596: Fix rpz-signal-nxdomain-ra to work for clientip
triggered operation.
- Merge #600 from pemensik: Change file mode before changing file
owner.
- Fix prematurely terminated TCP queries when a reply has the same ID.
- For #602: Allow the module-config "subnetcache validator cachedb
iterator".
- Fix EDNS to upstream where the same option could be attached
more than once.
- Add a region to serviced_query for allocations.
- For dnstap, do not wakeupnow right there. Instead zero the timer to
force the wakeup callback asap.
- Fix #610: Undefine-shift in sldns_str2wire_hip_buf.
- Fix #588: Unbound 1.13.2 crashes due to p->pc is NULL in
serviced_udp_callback.
- Merge PR #612: TCP race condition.
- Test for NSID in SERVFAIL response due to DNSSEC bogus.
- Fix #599: [FR] RFC 9156 (obsoletes RFC 7816), by noting the new RFC
document.
- Fix tls-* and ssl-* documented alternate syntax to also be available
through remote-control and unbound-checkconf.
- Better cleanup on failed DoT/DoH listening socket creation.
- iana portlist update.
- Fix review comment for use-after-free when failing to send UDP out.
- Merge PR #603 from fobser: Use OpenSSL 1.1 API to access DSA and RSA
internals.
- Merge PR #532 from Shchelk: Fix: buffer overflow bug.
- Merge PR #617: Update stub/forward-host notation to accept port and
tls-auth-name.
- Update stream_ssl.tdir test to also use the new forward-host
notation.
- Fix header comment for doxygen for authextstrtoaddr.
- please clang analyzer for loop in test code.
- Fix docker splint test to use more portable uname.
- Update contrib/aaaa-filter-iterator.patch with diff for current
software version.
- Fix for #611: Integer overflow in sldns_wire2str_pkt_scan.
* Fri Dec 31 2021 Callum Farmer <[email protected]>
- Change to systemd-sysusers
* Thu Dec 09 2021 Michael Ströder <[email protected]>
- update to 1.14.0
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.
* Sat Oct 16 2021 Togan Muftuoglu <[email protected]>
- Fix pidfile location
* Thu Aug 12 2021 Michael Ströder <[email protected]>
- update to 1.13.2
Features
- Merge PR #317: ZONEMD Zone Verification, with RFC 8976 support.
ZONEMD records are checked for zones loaded as auth-zone,
with DNSSEC if available. There is an added option
zonemd-permissive-mode that makes it log but not fail wrong zones.
With zonemd-reject-absence for an auth-zone the presence of a
zonemd can be mandated for specific zones.
- Fix: Resolve interface names on control-interface too.
- Merge #470 from edevil: Allow configuration of persistent TCP
connections.
- Fix #474: always_null and others inside view.
- Add that log-servfail prints an IP address and more information
about one of the last failures for that query.
- Merge #478: Allow configuration of TCP timeout while waiting for
response.
- Add ./configure --with-deprecate-rsa-1024 that turns off RSA 1024.
- Move the NSEC3 max iterations count in line with the 150 value
used by BIND, Knot and PowerDNS. This sets the default value
for it in the configuration to 150 for all key sizes.
- zonemd-check: yesno option, default no, enables the processing
of ZONEMD records for that zone.
- Merge #486 by fobster: Make VAL_MAX_RESTART_COUNT configurable.
- Merge PR #491: Add SVCB and HTTPS types and handling according to
draft-ietf-dnsop-svcb-https.
- Introduce 'http-user-agent:' and 'hide-http-user-agent:' options.
Bug Fixes
- Fix for Python 3.9, no longer use deprecated functions of
PyEval_CallObject (now PyObject_Call), PyEval_InitThreads (now
none), PyParser_SimpleParseFile (now Py_CompileString).
- Merge PR #420 from dyunwei: DOH not responsing with
"http2_query_read_done failure" logged.
- Fix #422: IPv6 fallback issues when IPv6 is not properly
enabled/configured.
- Fix to make tests work with support indicators set for iterator.
- Fix build on Python 3.10.
- Fix doxygen and pydoc warnings.
- Fix #429: rpz: url: with https: broken (regression in 1.13.1).
- rpz skip nsec3param records, and nicer log for unsupported actions.
- Fix #431: Squelch permission denied errors for tcp connect
and udp connect from the logs, unless at high verbosity.
- Fix for zonemd, that nxdomain for the chain of trust is allowed
for island zones, it is treated as an insecure zone for verification.
- Fix for zonemd, that domain-insecure zones work without dnssec.
- Fix for zonemd, do not reject insecure result from trust anchor
validation step in dnssec chain of trust.
- On startup of unbound it checks if rlimits on memory size look
sufficient for the configured cache size, and logs warning if not.
- Fix function documentation.
- Fix unit test for added ulimit checks.
- spelling fix in header.
- Fix #384: (1) A minor request to improve the log (2) A minor bug in one
log message.
- ipsecmod: Better logging for detecting a cycle when attaching the
A/AAAA subquery.
- Merge PR #367 : DNSTAP log local address. With code from PR #365
and fixes #368 : dnstap does not log the DNS message ID for
FORWARDER_QUERY.
- Fix to allow rpz with wildcard that applies to all TLDs at once.
- Fix for #367: rc_ports don't have ub_sock; skip cleaning up.
- Fix spurious errors about "Could not generate request: out of
memory". The mesh detect cycle routine no longer wrongly stops
the check when the calling mesh state is unique.
- Workaround for #439: prevent loops in the reuse rbtree.
- Debug output for #411 and #439: printout internal error and details.
- Fix parse of LOC RR type for decimetres.
- Fix #441: Minimal NSEC range not accepted for top level domains.
- Fix for #447: squelch connection refused tcp connection failures
from the log, unless verbosity is high.
- Merge #449 from orbea: build: Add missing linker flags.
- Comment out nonworking OSX and IOS travis tests, vm fails to start.
- Fix compile error in listen_dnsport on Android.
- Fix memory leak reported by asan in rpz SOA record query name.
- Fix unused-function warning when compiling with --enable-dnscrypt.
- Fix for #367: fix memory leak when cannot bind to listening port.
- Reformat pythonmod/pythonmod_utils.{c,h}.
- Travis enable all tests again. Clang analyzer only a couple times,
when there is a difference. homebrew updates disabled, so it does
not hang. removed trailing slashes from configure paths. Moved iOS
tests to allow-failure.
- travis, analyzer disabled on test without debug, that does not
run anway. Turn off failing tests except one. Update iOS test
to xcode image 12.2.
- Fix deprecation test to work for iOS TVOS and WatchOS, it uses
CFLAGS and CPPFLAGS and also checks if the item is unavailable.
- Travis, fix script to fail when tasks fail.
- Travis, fix warning in ubsan compile.
- Fix configure Targetconfiditionals.h header check, to use compile.
- Fix that cachedb does not produce empty object files when disabled.
- Fix #429: Also fix end of transfer for http download of auth zones.
- Disable the use of stack-protector for cross compiled 32-bit windows
builds; relates to #444.
- Fix stack-protector change to not override other CFLAGS options.
- Clean makedist.sh.
- Merge #460 from orbea: build: Link with the libtool archive.
- Fix to stop IPv6 PMTU discovery.
- Fix for #411: Depth protect for crash on deleted element timeout.
- rebuild configure to set EXTRALINK to libunbound.la for #460.
- Fix permission denied sendto log, squelch the log messages
unless high verbosity is set.
- Fix (increase) verbosity level for iterator error log in
processQueryTargets().
- Fix that nxdomain synthesis does not happen above the stub or
forward definition.
- Fix documentation comment for files previously residing in checkconf/.
- Remove unused functions worker_handle_reply and libworker_handle_reply.
- Merge #466 from FGasper: Support OpenSSLs that lack
SSL_get0_alpn_selected.
- Fix #468: OpenSSL 1.0.1 can no longer build Unbound.
- Further fix for #468: detect SSL_CTX_set_alpn_protos for build with
OpenSSL 1.0.1.
- Fix that testcode dohclient has OpenSSL initialisation calls.
- Fix compiler warning for signed/unsigned comparison for
max_reuse_tcp_queries.
- Fix #481: Fix comment in configuration file.
- Fix to squelch tcp socket bind failures when the interface is gone.
- Rerun flex and bison.
- Fix for #367: only attempt to get the interface for queries that are no
longer on the tcp_waiting_list.
- Add more logging for out-of-memory cases.
- Fix #485: Unbound occasionally reports broken stats.
- Remove case fallthrough from deprecate-rsa-1024 code.
- Merge PR #487: ifdef RLIMIT_AS in recently added check.
- Fix that auth-zone zonefiles use last TTL if no TTL is specified.
- Fix #489: Compile using MSYS2 MinGW 64-bit.
- Fix for #411, #439, #469: Reset the DNS message ID when moving queries
between TCP streams.
- Refactor for uniform way to produce random DNS message IDs.
- Test code has -q option for quiet output.
- Fix #492: module-config respip missing in unbound.conf.5.in man
page. Merges #494 from he32.
- For #492: Fix font highlighting for the man page on emacs.
- Merge #496 from banburybill: Use build system endianness if
available, otherwise try to work it out.
- Fix test for zonemd-check option.
- Merge #448 from shoeper: Update unbound-control.8.in, fix
rpz_disable typo.
- Fix #425: Document auth-zone supports communication with DNS
primary on nondefault port.
- Fix unused variable warning when compiling with --enable-dnstap.
- Generated lexer and parser for #486; updated example.conf.
- Fix #413 (based on patch by k-ronny): unbound: does not compile
on macOS 11.1-x86_64 host.
- Use host_os instead of target_os in configure for Darwin8 build.
- Fix #500: SPEC file in version 1.13.1 references version 1.4;
unable to build RPM from source.
- Fix contrib/unbound.spec, fixed url and comment.
- Fix configure nonblocking test and onmingw test to use host.
- Merge #440 by kimheino: Various fixes to contrib/unbound_munin_ file.
- Fix a number of warnings reported by the gcc analyzer.
- Fix #495: Documentation or implementation of "verbosity" option.
- Fix #503: DNS over HTTPS response truncated.
- Fix warnings reported by the gcc analyzer.
- Add analyzer and port compile github workflow.
- Fix up permissions on rpl data file in tests.
- Fix testbound newline treatment in moment_read and tempfile write.
- Fix configure grep for reuseport default for failure.
- Fix compat ctime_r return value
- Fix configure does not require pkg-config if not needed.
- Fix unit test in the ctime_r calls for autotrust and in testbound.
- Fix auth zone download on windows to unlink before rename.
- Fix #506: Python Module Seems to Leak Memory if it Experiences an
Unhandled Exception.
- Fix Wunused-result compile warnings.
- Fix compiler warnings for #491.
- Fix clang-analysis warnings for testcode/readzone.c.
- Merge #510 from ndptech: Don't call a function which hasn't been
defined.
- Fix for #510: in depth, use ifdefs for windows api event calls.
- Fix spelling in doc/unbound.doxygen comment.
- Fix spelling in localzone.h comment.
- Fix unbound-control local_data and local_datas to print detailed
syntax errors.
- review fix to remove duplicate error printout.
- Insert header into testcode/readzone.c, it was missing.
- Fix from lint for ignored return value.
- Fix for older parsers for function call in serve expired get cached.
- Fix that ldns_zone_new_frm_fp_l counts the line number for an empty
line after a comment.
- Merge #512: unbound.service.in: upgrade hardening to latest
standards.
- Fix readzone unknown type print for memory resize.
- Merge #513: Stream reuse, attempt to fix #411, #439, #469. This
introduces a couple of fixes for the stream reuse functionality
that could result in broken internal structures.
- Fix #515: Compilation against openssl 3.0.0 beta2 is failing to
build unbound.
- For #515: Fix compilation with openssl 3.0.0 beta2, lib64 dir and
SSL_get_peer_certificate.
- Move acx_nlnetlabs.m4 to version 41, with lib64 openssl dir check.
- Prepare for OpenSSL 3.0.0 provider API usage, move the sldns
keyraw functions to produce EVP_PKEY results.
- Move RSA and DSA to use OpenSSL 3.0.0 API.
- Move ECDSA functions to use OpenSSL 3.0.0 API.
- iana portlist update.
- Fix verbose printout failure in tcp reuse unit test.
- Merge PR #517 from dyunwei: #420 breaks the mesh reply list
function that need to reuse the dns answer.
- Annotate assertion into error printout; we think it may be an
error, but the situation looks harmless.
- Fix sign comparison warning on FreeBSD.
- Listen to read or write events after the SSL handshake.
Sticky events on windows would stick on read when write was needed.
- Merge PR #415 from sibeream: Use
/proc/sys/net/ipv4/ip_local_port_range to determine available outgoing
ports. (New --enable-linux-ip-local-port-range configuration option)
- Bump MAX_RESTART_COUNT to 11 from 8; in relation to #438. This
allows longer CNAME chains in Unbound.
- In unit test use openssl set security level to allow keys in test.
- Fix static analysis warnings about localzone locks that are unused.
- Fix missing locks in zonemd unit test.
- Fix readzone compile under debug config.
- Fix out of sourcedir run of zonemd unit tests.
- Fix libnettle zonemd unit test.
- Fix unit test zonemd_reload for use in run_vm.
- Fix #520: Unbound 1.13.2rc1 fails to build python module.
* Sun May 30 2021 Togan Muftuoglu <[email protected]>
- Enable DNS-over-HTTPS support
* Tue May 11 2021 Cristian Rodríguez <[email protected]>
- Use --disable-explicit-port-randomisation, the linux kernel
has source port randomization by default if port is 0 since ages.
* Tue Feb 09 2021 Michael Ströder <[email protected]>
- update to 1.13.1
Features
- Merge PR #375 by fhriley: Add rpz_enable and rpz_disable commands
to unbound-control.
- Merge PR #391 from fhriley: Add start_time to reply callbacks so
modules can compute the response time.
- Fix #397: [Feature request] add new type always_null to local-zone
similar to always_nxdomain.
- Support for RFC5001: DNS Name Server Identifier (NSID) Option
with the nsid: option in unbound.conf
- Padding of queries and responses with DNS over TLS as specified in
RFC7830 and RFC8467.
- Merge PR #275 from Roland van Rijswijk-Deij: Add feature to return the
original instead of a decrementing TTL ('serve-original-ttl')
Bug Fixes
- Fix #358: Squelch udp connect 'no route to host' errors on low
verbosity.
- Fix #360: for the additionally reported TCP Fast Open makes TCP
connections fail, in that case we print a hint that this is
happening with the error in the logs.
- Fix #356: deadlock when listening tcp.
- Fix unbound-dnstap-socket to not use log routine from interrupt
handler and not print so frequently when invoked in sequence.
- Fix on windows to ignore connection failure on UDP, unless verbose.
- make depend.
- Fix #371: unbound-control timeout when Unbound is not running.
- Fix to squelch permission denied and other errors from remote host,
they are logged at higher verbosity but not on low verbosity.
- Merge PR #335 from fobser: Sprinkle in some static to prevent
missing prototype warnings.
- Merge PR #373 from fobser: Warning: arithmetic on a pointer to void
is a GNU extension.
- Fix missing prototypes in the code.
- Fix error cases when udp-connect is set and send() returns an error
(modified patch from Xin Li @delphij).
- For #376: Fix that comm point event is not double removed or double
added to event map.
- iana portlist updated.
- Fix #385: autoconf 2.70 impacts unbound build
- Fix #379: zone loading over HTTP appears to have buffer issues.
- Merge PR #395 from mptre: add missing null check.
- Fix #387: client-subnet-always-forward seems to effectively bypass
any caching?
- For #391: use struct timeval* start_time for callback information.
- For #391: fix indentation.
- For #391: more double casts in python start time calculation.
- Add comment documentation.
- Fix clang analysis warning.
- Fix so local zone types always_nodata and always_deny can be used
from the config file.
- Merge #399 from xiangbao227: The lock of lruhash table should
unlocked after markdel entry.
- Fix for #93: dynlibmodule link fix for Windows.
- Fix for #93: dynlibmodule import library is named libunbound.dll.a.
- Merge #402 from fobser: Implement IPv4-Embedded addresses according
to RFC6052.
- Fix #404: DNS query with small edns bufsize fail.
- Fix declaration before statement and signed comparison warning in
dns64.
- Fix TTL of SOA record for negative answers (localzone and
authzone data) to be the minimum of the SOA TTL and the SOA.MINIMUM.
- Fix compile of unbound-dnstap-socket without dnstap installed.
- Merge PR #355 from noloader: Make ICANN Update CA and DS Trust Anchor
static data.
- Ignore cache blacklisting when trying to reply with expired data from
cache (#394).
- Merge PR #408 from fobser: Prevent a few more yacc clashes.
- Annotate that we ignore the return value of if_indextoname.
- Fix to use correct type for label count in rpz routine.
- Fix empty clause warning in config_file nsid parse.
- Fix to use correct type for label count in ipdnametoaddr rpz routine.
- Fix empty clause warning in edns pass for padding.
- Fix for doxygen 1.8.20 compatibility.
- Attempt to fix NULL keys in the reuse_tcp tree; relates to #411.
- Fix dynlibmod link on rhel8 for -ldl inclusion.
- Fix windows dependency on libssp.dll because of default stack
protector in mingw.
- Fix indentation of root anchor for use by windows install script.
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