Hello Gavin,
On 20.02.25 18:15, Gavin Brown wrote:
Greetings,
There is a difference between the XML schema published in the IETF XML Registry
([1]) and that inlined into RFC 3915. I can't find any indication that this has
previously been noticed.
Disregarding irrelevant differences in whitespace and comments, the difference is in
the definition of the <rgpStatus> element. In the schema published by IANA
([1]), it is:
<element name="rgpStatus" type="rgp:statusType"/>
In the RFC, it is:
<element name="rgpStatus" type="rgp:statusType"
maxOccurs="unbounded"/>
This means that, depending on where the schema was sourced from, different EPP
implementations will disagree on how many <rgpStatus> elements can be present
in EPP commands and responses.
I have no idea how this happened, but I also have no idea how it should be
fixed. Which version is authoritative?
* Should the XSD in the IETF registry be updated to match the RFC?
* Should an errata on the RFC be filed?
I worry that the first option might have an impact on implementations which
automatically pull XSD files from the registry.
The RFC itself is vague in its intent. Notwithstanding the maxOccurs="unbounded", throughout the
text it says that there can only ever be a single <rgpStatus> in <info> responses and
<update> commands.
How should this be resolved?
Good catch. No idea where the version in the XML registry comes from, but IMO the one from the RFC
(allowing multiple RGP status values) should be authoritative one. While you're right that the RFC's
text oddly says that there should only be one <rgp:rgpStatus> element in an info response, in our
server implementation, this case is possible:
<infData xmlns="urn:ietf:params:xml:ns:rgp-1.0">
<rgpStatus s="renewPeriod"/>
<rgpStatus s="addPeriod"/>
</infData>
showing the state of a domain that has been renewed during its Add Grace Period.
A rare case for sure, but one that could occur and should be covered by the RFC.
Best regards,
Thomas
--
TANGO REGISTRY SERVICES®
Knipp Medien und Kommunikation GmbH Thomas Corte
Technologiepark Phone: +49 231 9703-222
Martin-Schmeisser-Weg 9 Fax: +49 231 9703-200
D-44227 Dortmund E-Mail: [email protected]
Germany
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