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Subject: Re: FW: [xacml] Re: [xacml-comment] D024



I didn't say whether the scenario was valid XACML, but it valid XML, isn't
it? Isn't that enough criteria? Some SAX/DOM parser can handle it, right?

My point is, if we actually have conformance tests for badly formed
policies of a certain ilk, then why not have conformance tests for other
badly formed policies?

-Polar

On Tue, 3 Dec 2002, Daniel Engovatov wrote:

> <?xml version="1.0" encoding="UTF-8"?>
> <Policy/>
>
> against
>
> <?xml version="1.0" encoding="UTF-8"?>
> <RequestContext/>
>
> Both structures are valid XML, aren't they? What would a compliant valid
> PDP evaluate this scenario to?
>
> --------------
>
> They are not, not according to this schema:
>
> 	<xs:element name="Policy" type="xacml:PolicyType"/>
> 	<xs:complexType name="PolicyType">
> 		<xs:sequence>
> 			<xs:element ref="xacml:Description" minOccurs="0"/>
> 			<xs:element ref="xacml:PolicyDefaults"
> minOccurs="0"/>
> 			<xs:element ref="xacml:Target"/>
> 			<xs:element ref="xacml:Rule" minOccurs="0"
> maxOccurs="unbounded"/>
> 			<xs:element ref="xacml:Obligations" minOccurs="0"/>
> 		</xs:sequence>
> 		<xs:attribute name="PolicyId" type="xs:anyURI"
> use="required"/>
> 		<xs:attribute name="RuleCombiningAlgId" type="xs:anyURI"
> use="required"/>
> 	</xs:complexType>
>
>
> In any case it is not the issue of the document validity - but the issue
> that the policy exists (and can be "compiled" and accepted independent of
> the data context, in the general case.
>
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