Simon Kelley 8ce27433f8 Handle DS queries to auth zones. ...

When dnsmasq is configured to act as an authoritative server and has
an authoritative zone configured, and recieves a query for
that zone _as_forwarder_ it answers the query directly rather
than forwarding it. This doesn't affect the answer, but it
saves dnsmasq forwarding the query to the recusor upstream,
whch then bounces it back to dnsmasq in auth mode. The
exception should be when the query is for the root of zone, for a DS
RR. The answer to that has to come from the parent, via the
recursor, and will typically be a proof-of-nonexistence since
dnsmasq doesn't support signed zones. This patch suppresses
local answers and forces forwarding to the upstream recursor
for such queries. It stops breakage when a DNSSEC validating
client makes queries to dnsmasq acting as forwarder for a zone
for which it is authoritative.

2025-01-18 08:57:14 +00:00

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