dnsdist: Log packet bytes after failing to parse a CNAME from them

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

dnsdist: Catch exceptions when parsing CNAME via the Lua FFI API (YWH-PGM6095-258)

It turns out that the C++ Exception Interoperability described in
https://luajit.org/extensions.html should be understood as "No" on
at least some Linux ARM platforms, so throwing exceptions is not safe
there.
This is only an issue when the exception can be raised by attacked-provided
data, as is the case here.

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

Merge pull request #17255 from PowerDNS/dependabot/github_actions/KineticCafe/actions-dco-2.1.1

build(deps): bump KineticCafe/actions-dco from 1.3.8 to 2.1.1

Merge pull request #17254 from PowerDNS/dependabot/github_actions/sigstore/cosign-installer-4.1.1

build(deps): bump sigstore/cosign-installer from 4.1.0 to 4.1.1

Merge pull request #17282 from omoerbeek/omoerbeek-patch-1

rec: remove use of -v flag for cp

rec: remove use of -v flag for cp

Fixes #17241

Merge pull request #17280 from omoerbeek/rec-docs-pb

rec docs: fix description of (outgoing)ProtobufServer

rec docs: fix description of (outgoing)ProtobufServer

And remove obsolete variant.

Fixes #17278

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Merge pull request #17238 from PowerDNS/dependabot/cargo/pdns/recursordist/rec-rust-lib/rust/rustls-webpki-0.103.13

build(deps): bump rustls-webpki from 0.103.10 to 0.103.13 in /pdns/recursordist/rec-rust-lib/rust

Merge pull request #17253 from omoerbeek/rec-docs-rpz-vs-packetcache

rec docs: add a note about RPZ vs packetcache interaction

Merge pull request #17257 from omoerbeek/dnsdist-test-signedness

dnsdist: fix a few signed vs unsigned compare warnings in tests

Merge pull request #17256 from omoerbeek/dnsdist-boost-1.91

dnsdist: make code boost-1.91 compatible

build(deps): bump KineticCafe/actions-dco from 1.3.8 to 2.1.1

Bumps [KineticCafe/actions-dco](https://github.com/kineticcafe/actions-dco) from 1.3.8 to 2.1.1.
- [Release notes](https://github.com/kineticcafe/actions-dco/releases)
- [Changelog](https://github.com/KineticCafe/actions-dco/blob/main/Changelog.md)
- [Commits](https://github.com/kineticcafe/actions-dco/compare/1c23966ecce077f76671a61caabeb13eefc72a51...6e1652ef3027ce128e65e6edd215ae053350bd16)

---
updated-dependencies:
- dependency-name: KineticCafe/actions-dco
  dependency-version: 2.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

build(deps): bump sigstore/cosign-installer from 4.1.0 to 4.1.1

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 4.1.0 to 4.1.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](https://github.com/sigstore/cosign-installer/compare/v4.1.0...v4.1.1)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 4.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

dnsdist: fix a few signed vs unisgned compare warnings in tests

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

dnsdist: make code boost-1.91 compatible

Fixes #17245

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Re-order first RPZ note

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Apply suggestions from code review

Co-authored-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

rec docs: add a note about RPZ vs packetcache interaction

Discussed in #YWH-PGM6095-266 by krawall, thanks!

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Merge pull request #17242 from miodvallat/pastis

prep for auth 5.1.0-beta1

Merge pull request #17252 from Habbie/200-entries-should-be-enough-for-anybody

rec aggressive nsec test: increase entry count so we hit the 8192 byte limit on 32 bit systems too

Merge pull request #17247 from franklouwers/master

auth docs: update EOL policy wording

Merge pull request #17248 from miodvallat/times_they_are_truncating

auth: (bind) fix one bad case of time_t truncation

increase entry count so we hit the 8192 byte limit on 32 bit systems
too

Signed-off-by: Peter van Dijk <peter.van.dijk@powerdns.com>

Wednesday, after all.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Update docs/appendices/EOL.rst

Co-authored-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Frank Louwers <24672+franklouwers@users.noreply.github.com>

auth docs: update EOL policy wording

Signed-off-by: Frank Louwers <frank@louwers.be>

Fix one bad case of time_t truncation.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Merge pull request #17243 from mind04/no-axfr-anonymous

auth: remove extra 'A' from some AXFR log lines

auth: remove extra 'A' from some AXFR log lines

Signed-off-by: Kees Monshouwer <mind04@monshouwer.org>

Merge pull request #16971 from mind04/auth-nested-catalogs

Auth: nested catalogs

auth: make gcc 15.2 happy

Signed-off-by: Kees Monshouwer <mind04@monshouwer.org>

auth: fix regression tests for --with-dynmodules

Signed-off-by: Kees Monshouwer <mind04@monshouwer.org>

auth: implement nested catalogs

Signed-off-by: Kees Monshouwer <mind04@monshouwer.org>

Documentation & secpoll updates for auth-5.1.0-beta1

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Advertize lmdb comments.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Fix year

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

build(deps): bump rustls-webpki in /pdns/recursordist/rec-rust-lib/rust

Bumps [rustls-webpki](https://github.com/rustls/webpki) from 0.103.10 to 0.103.13.
- [Release notes](https://github.com/rustls/webpki/releases)
- [Commits](https://github.com/rustls/webpki/compare/v/0.103.10...v/0.103.13)

---
updated-dependencies:
- dependency-name: rustls-webpki
  dependency-version: 0.103.13
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Merge pull request #17234 from romeroalx/fix-pinning-py-0426

requirements.txt: update version of pinned packages

Merge pull request #17237 from rgacogne/ddist-clang-tidy-warnings-20260423

dnsdist: Fix clang-tidy warnings

dnsdist: Fix clang-tidy warnings

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

Merge pull request #17231 from rgacogne/ddist-udp-max-outstanding

dnsdist: Set default number of outstanding queries per backend to 65536

dnsdist: Set default number of outstanding queries per backend to 65536

The existing default was off by one, wasting one possible state.

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

Merge pull request #17235 from omoerbeek/dnsparser-unquoted-bound

common: Check boundary in getUnquotedText() as we do in getText()

Tidy

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

requirements.txt: update version of pinned packages

Check boundary as we do in getText()

From YWH-PGM6095-137. We still stay inside the packet, so no security
issue.

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Merge pull request #17232 from omoerbeek/auth-fix-missing-test-file

auth unit tests: add missing test file for the autotools case

Merge pull request #16522 from Habbie/lmdb-full-comments

auth lmdb: full support for comments

Merge pull request #17218 from rgacogne/ddist-1.9.14-2.0.5-changelog-secpoll

dnsdist: Update ChangeLog and security polling zone for 1.9.14, 2.0.5

auth unit tests: add missing test file for the autotools case

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Merge pull request #17180 from edmonds/dnsdist/per-backend-max-udp-outstanding

dnsdist: Add per-backend `max_udp_outstanding` YAML config setting

Merge pull request #17205 from omoerbeek/rec-priv-rpz-soa

rec: throw if no valid SOA found (YWH-PGM6095-168)

Merge pull request #17203 from omoerbeek/rec-private-zonemd

rec: zonemd null pointer dereference on non-standard schemes (#YWH-PGM6095-156)

Merge pull request #17216 from rgacogne/ddist-ywh-189

dnsdist: Prevent division by zero when computing DNSCrypt padding

Merge pull request #17214 from rgacogne/ddist-ywh-170

dnsdist: Clean QUIC stream-related data after errors

Merge pull request #17210 from rgacogne/ywh-159

dnsdist: Handle SVCB response without any usable address

Merge pull request #17208 from rgacogne/ywh-138

dnsdist: Apply TCP connections limits to DoQ/DoH3 connections

Merge pull request #17202 from omoerbeek/rec-priv-cookie-optional

rec: only check cookie if we sent one out (YWH-PGM6095-134)

Merge pull request #17201 from omoerbeek/ywh-135

rec: Prevent null-pointer dereference in aggressive NSEC cache

Merge pull request #17228 from miodvallat/system_of_a_markdawn

auth: buglets in the 2026-05 SA

Merge pull request #17199 from omoerbeek/rec-rpz-race

rec: work on a copy of PolicyZoneData while building the new RPZ zone

Merge pull request #17204 from rgacogne/ddist-sa-follow-up

dnsdist: Fix CVSS links in security advisory 2026-04

Merge pull request #17209 from rgacogne/ywh-148

dnsdist: Fix out-of-bounds check for UDP responses from backend

Merge pull request #17211 from rgacogne/ywh-163

dnsdist: Check record length before calling the visitor function

Merge pull request #17212 from rgacogne/ywh-165

dnsdist: Use `DNSName` in `StatNode` to avoid encoding issues

Merge pull request #17213 from rgacogne/ywh-166

dnsdist: Prevent ID overflow in outgoing TCP connections

Merge pull request #17215 from rgacogne/ddist-ywh-174

dnsdist: Cap the amount of data buffered toward a DoH server

Merge pull request #17197 from omoerbeek/rec-cachesize-neg-aggr

rec: estimate size and refuse to cache big negcache entries

Merge pull request #17200 from omoerbeek/yahttp-size

all: Fix two cases of lacking/wrong max size compares (YWH-PGM6095-90)

Merge pull request #17196 from omoerbeek/yahttp-chunksize

all: better handling of yahttp chunksize

Merge pull request #17194 from omoerbeek/rec-limit-web-req

rec: limit size of incoming web request.

Merge pull request #17217 from omoerbeek/rec-docs-refs

rec docs: add references in changelogs, now that the PR numbers are known

Merge pull request #17198 from miodvallat/sa-2026-05

auth: fixes for SA 2026-05

Buglets in the 2026-05 SA

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

dnsdist: Hopefully make the spell checker happy

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

dnsdist: Update ChangeLog and security polling zone for 1.9.14, 2.0.5

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

rec docs: add references in changelogs, now that the PR numbers are known

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Merge pull request #17157 from rgacogne/rec-fix-17137

rec: Fix DNAME interaction with aggressive use of NSEC3

Merge pull request #17156 from rgacogne/rec-fix-17136

rec: Fix DNSSEC validation of wildcard-expanded proof

Reformat

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Fix writer and text parser for too long alpn values.

This is CVE-2026-33611, part of PowerDNS Security Advisory 2026-05.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Make sure to wrap the socket in a unique_ptr to close it in all cases.

Also add a log message for empty update from rogue primaries.

This is CVE-2026-33610, part of PowerDNS Security Advisory 2026-05.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Rewrite the ldap escape function, and always escape network-controlled input.

This new version now will correctly handle 8-bit characters (which need to
be encoded in UTF-8 and then escaped), as well as the corner cases of
leading space or # and trailing space.

This is CVE-2026-33609, part of PowerDNS Security Advisory 2026-05.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Prevent creadeSecondaryDomain from creating an invalid bind configuration.

- reject domain names containing quotes, as these are not allowed by bind.
- make sure the generated filename to be used to store domain data is not
  empty and does not contain path separators.

This is CVE-2026-33608, part of PowerDNS Security Advisory 2026-05.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

Merge pull request #17193 from miodvallat/secpopaul

auth: SA 2026-05 updates

Documentation updates for 4.9.14 and 5.0.4.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

dnsdist: Fix CVSS links in security advisory 2026-04

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

Merge pull request #17189 from rgacogne/ddist-1.9.13-2.0.4-changelog-secpoll

dnsdist: Update ChangeLog, security advisories and secpoll for 1.9.13 and 2.0.4

Merge pull request #17188 from omoerbeek/rec-docs-cl-sa-fix

rec docs; fix typos in SA-2026-03 and changelog, from dwfreed and winfried

dnsdist: Fix spelling mistakes

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

Tell our spell-checker to allow security researcher names, and PRSD

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

dnsdist: Update ChangeLog, security advisories and secpoll for 1.9.13 and 2.0.4

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

rec docs; fix typos in SA-2026-03 and changelog, from dwfreed and winfried

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

Merge pull request #17181 from omoerbeek/rec-prep-20260422

rec: Prep for SA-2026-03

rec: Prep for SA-2026-03

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

dnsdist: Add per-backend `max_udp_outstanding` YAML config setting

This commit adds a new per-backend config setting `max_udp_outstanding`
which overrides the global `tuning.udp.max_outstanding_per_backend`
setting.

If the per-backend `max_udp_outstanding` setting is omitted, the value
of the global option `tuning.udp.max_outstanding_per_backend` will be
used instead.

This allows tuning the number of UDP states allocated on a per-backend
basis in order to tune the amount of memory consumed by dnsdist.
Low-latency backends may only need a small number of UDP states, while
high-latency backends may need a higher number of UDP states.

The `tuning.udp.max_outstanding_per_backend` setting and the new
per-backend `max_udp_outstanding` setting directly control the sizes of
the vectors of `IDState` objects that are preallocated at startup.

The size of the `IDState` object can vary depending on compile time
options, but in my local build it is currently 496 bytes. This means
that a backend with the maximum number of UDP states (65535) will
require allocating at least (496 * 65535 / 1048576) = 31 MB. Similarly,
a backend with 8192 UDP states will require allocating 3.9 MB, and a
backend with 256 UDP states only requires 124 KB.

Signed-off-by: Robert Edmonds <edmonds@users.noreply.github.com>

Merge pull request #17164 from rgacogne/ddist-error-on-unhandled-switch-case

dnsdist: Error on unhandled switch cases while in CI

dnsdist: Error on unhandled switch cases while in CI

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>

Merge pull request #17161 from omoerbeek/rec-rpz-zonemd

rec: skip ZONEMD records in RPZs