[getdns-api] DANE with dnssec_return_only_secure extension

[Shumon Huque]

On Tue, Jul 1, 2014 at 10:33 AM, Willem Toorop <willem at nlnetlabs.nl> wrote:

> op 01-07-14 16:24, Shumon Huque schreef:
> > Right.
> >
> > Can't we use the "dnssec_status" component of the response dictionary
> > (set if the "dnssec_return_status" extension is specified) to examine
> > this? I assume it will have GETDNS_DNSSEC_BOGUS in this case.
>
> It doesn't have that because the dnssec_return_status does validation
> and will not include BOGUS answers.  You have to also enable
> dnssec_return_validation_chain to include BOGUS packets too.
>

Ah, got it. I agree that we probably don't want application developers to
trudge through the validation chain to get this indication, so I think a
simpler way is needed to distinguish the bogus answer case. Your suggestion
of a GETDNS_RESPSTATUS_BOGUS sounds reasonable to me. This seems easier
than inferring it from (Paul's suggestion of) a combination of a positive
status code and an empty response dict component. As for the RESPSTATUS
list not containing DNSSEC specific responses, it already has one right?
(GETDNS_RESPSTATUS_NO_SECURE_ANSWERS)

--Shumon.
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