Re: [xacml] xacml combiner alg extension points

["Simon Godik" <simon.godik@overxeer.com>]

Hi Michiharu,

You are correct. You are free to define syntax and meaning of combiner
parameters as needed for your alg.

Simon

----- Original Message -----
From: "Michiharu Kudoh" <KUDO@jp.ibm.com>
To: "Simon Godik" <simon.godik@overxeer.com>; "Polar Humenn" <polar@syr.edu>
Cc: <xacml@lists.oasis-open.org>
Sent: Tuesday, February 03, 2004 3:35 AM
Subject: Re: [xacml] xacml combiner alg extension points


>
>
>
>
> Hi, Polar, Simon
>
> Is the following example what you are suggesting?
>
> <Policy algid="priority-rule-combo-algo">
>   <CombinerParameters>
>     <CombinerParameter ParameterName="priority">10
>     </CombinerParameter>
>     <CombinerParameter ParameterName="priority">5
>     </CombinerParameter>
>   </CombinerParameters>
>   <Rule effect="permit">... rule 1...</Rule>
>   <Rule effect="permit">... rule 2 ...</Rule>
> </Policy>
>
> (The first rule has priority 10 and the second rule has priority 5)
> If so, this would satisfy my requirements.
>
> Best,
> Michiharu
>
>
>
>
>              "Simon Godik"
>              <simon.godik@over
>              xeer.com>                                                  To
>                                        <xacml@lists.oasis-open.org>
>              2004/02/03 16:28                                           cc
>
>                                                                    Subject
>                                        [xacml] xacml combiner alg
>                                        extension points
>
>
>
>
>
>
>
>
>
>
> xacml extension points proposal.
>
> Polar pointed out that previous xacml extension proposal is somewhat
> misleading with it's use of
> @MustUnderstand attribute and where parameters are interpreted.
>
> Here is cleaned up version, hopefully.
>
> Proposal:
>
> Allow element of type <xacml:CombinerParametersType> as an optional child
> of <xacml:PolicySet> and <xacml:Policy> elements.
> <xacml:CombinerParameters> element contains a list of parameters specific
> to the enclosing combining algorithm. Combiner parameters are input to the
> combining algorithm only and can not be directly interpreted by the pdp.
>
> Schema:
> <xs:element name="CombinerParameters"
type="xacml:CombinerParametersType"/>
> <xs:complexType name="CombinerParametersType">
> <xs:sequence>
> <xs:element ref="xacml:CombinerParameter" minOccurs="0"
> maxOccurs="unbounded"/>
> </xs:sequence>
> </xs:complexType>
> <!-- -->
> <xs:element name="CombinerParameter" type="xacml:CombinerParameterType"/>
> <xs:complexType name="CombinerParameterType">
> <xs:sequence>
> <xs:any namespace="##any" processContents="lax" minOccurs="0"
> maxOccurs="unbounded"/>
> </xs:sequence>
> <xs:attribute name="ParameterName" type="string" use="required"/>
> </xs:complexType>
>
> Simon
>