/etc/shibboleth/attribute-policy.xml is in shibboleth-sp2-common 2.5.3+dfsg-2.1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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xmlns="urn:mace:shibboleth:2.0:afp:mf:basic"
xmlns:saml="urn:mace:shibboleth:2.0:afp:mf:saml"
xmlns:basic="urn:mace:shibboleth:2.0:afp:mf:basic"
xmlns:afp="urn:mace:shibboleth:2.0:afp"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<!-- Shared rule for affiliation values. -->
<afp:PermitValueRule id="eduPersonAffiliationValues" xsi:type="OR">
<Rule xsi:type="AttributeValueString" value="faculty"/>
<Rule xsi:type="AttributeValueString" value="student"/>
<Rule xsi:type="AttributeValueString" value="staff"/>
<Rule xsi:type="AttributeValueString" value="alum"/>
<Rule xsi:type="AttributeValueString" value="member"/>
<Rule xsi:type="AttributeValueString" value="affiliate"/>
<Rule xsi:type="AttributeValueString" value="employee"/>
<Rule xsi:type="AttributeValueString" value="library-walk-in"/>
</afp:PermitValueRule>
<!--
Shared rule for all "scoped" attributes, but you'll have to manually apply it inside
an AttributeRule for each attribute you want to check.
-->
<afp:PermitValueRule id="ScopingRules" xsi:type="AND">
<Rule xsi:type="NOT">
<Rule xsi:type="AttributeValueRegex" regex="@"/>
</Rule>
<Rule xsi:type="saml:AttributeScopeMatchesShibMDScope"/>
</afp:PermitValueRule>
<afp:AttributeFilterPolicy>
<!-- This policy is in effect in all cases. -->
<afp:PolicyRequirementRule xsi:type="ANY"/>
<!-- Filter out undefined affiliations and ensure only one primary. -->
<afp:AttributeRule attributeID="affiliation">
<afp:PermitValueRule xsi:type="AND">
<RuleReference ref="eduPersonAffiliationValues"/>
<RuleReference ref="ScopingRules"/>
</afp:PermitValueRule>
</afp:AttributeRule>
<afp:AttributeRule attributeID="unscoped-affiliation">
<afp:PermitValueRuleReference ref="eduPersonAffiliationValues"/>
</afp:AttributeRule>
<afp:AttributeRule attributeID="primary-affiliation">
<afp:PermitValueRuleReference ref="eduPersonAffiliationValues"/>
</afp:AttributeRule>
<afp:AttributeRule attributeID="eppn">
<afp:PermitValueRuleReference ref="ScopingRules"/>
</afp:AttributeRule>
<afp:AttributeRule attributeID="targeted-id">
<afp:PermitValueRuleReference ref="ScopingRules"/>
</afp:AttributeRule>
<!-- Require NameQualifier/SPNameQualifier match IdP and SP entityID respectively. -->
<afp:AttributeRule attributeID="persistent-id">
<afp:PermitValueRule xsi:type="saml:NameIDQualifierString"/>
</afp:AttributeRule>
<!-- Catch-all that passes everything else through unmolested. -->
<afp:AttributeRule attributeID="*">
<afp:PermitValueRule xsi:type="ANY"/>
</afp:AttributeRule>
</afp:AttributeFilterPolicy>
</afp:AttributeFilterPolicyGroup>
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