XACML Policy Schema. Committee Specification. 2002-12-13. Display text from http://www.oasis-open.org/committees/xacml/repository/cs-xacml-schema-policy-01.xsd

---

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema targetNamespace="urn:oasis:names:tc:xacml:1.0:policy" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xacml="urn:oasis:names:tc:xacml:1.0:policy" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<!-- -->
	<xs:element name="PolicySet" type="xacml:PolicySetType"/>
	<xs:complexType name="PolicySetType">
		<xs:sequence>
			<xs:element ref="xacml:Description" minOccurs="0"/>
			<xs:element ref="xacml:PolicySetDefaults" minOccurs="0"/>
			<xs:element ref="xacml:Target"/>
			<xs:choice minOccurs="0" maxOccurs="unbounded">
				<xs:element ref="xacml:PolicySet"/>
				<xs:element ref="xacml:Policy"/>
				<xs:element ref="xacml:PolicySetIdReference"/>
				<xs:element ref="xacml:PolicyIdReference"/>
			</xs:choice>
			<xs:element ref="xacml:Obligations" minOccurs="0"/>
		</xs:sequence>
		<xs:attribute name="PolicySetId" type="xs:anyURI" use="required"/>
		<xs:attribute name="PolicyCombiningAlgId" type="xs:anyURI" use="required"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="PolicySetIdReference" type="xs:anyURI"/>
	<xs:element name="PolicyIdReference" type="xs:anyURI"/>
	<!-- -->
	<xs:element name="PolicySetDefaults" type="xacml:DefaultsType"/>
	<xs:element name="PolicyDefaults" type="xacml:DefaultsType"/>
	<xs:complexType name="DefaultsType">
		<xs:sequence>
			<xs:choice>
				<xs:element ref="xacml:XPathVersion"/>
			</xs:choice>
		</xs:sequence>
	</xs:complexType>
	<!-- -->
	<xs:element name="XPathVersion" type="xs:anyURI"/>
	<!-- -->
	<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>
	<!-- -->
	<xs:element name="Description" type="xs:string"/>
	<!-- -->
	<xs:element name="Rule" type="xacml:RuleType"/>
	<xs:complexType name="RuleType">
		<xs:sequence>
			<xs:element ref="xacml:Description" minOccurs="0"/>
			<xs:element ref="xacml:Target" minOccurs="0"/>
			<xs:element ref="xacml:Condition" minOccurs="0"/>
		</xs:sequence>
		<xs:attribute name="RuleId" type="xs:anyURI" use="required"/>
		<xs:attribute name="Effect" type="xacml:EffectType" use="required"/>
	</xs:complexType>
	<!-- -->
	<xs:simpleType name="EffectType">
		<xs:restriction base="xs:string">
			<xs:enumeration value="Permit"/>
			<xs:enumeration value="Deny"/>
		</xs:restriction>
	</xs:simpleType>
	<!-- -->
	<xs:element name="Target" type="xacml:TargetType"/>
	<xs:complexType name="TargetType">
		<xs:sequence>
			<xs:element ref="xacml:Subjects"/>
			<xs:element ref="xacml:Resources"/>
			<xs:element ref="xacml:Actions"/>
		</xs:sequence>
	</xs:complexType>
	<!-- -->
	<xs:element name="Subjects" type="xacml:SubjectsType"/>
	<xs:complexType name="SubjectsType">
		<xs:choice>
			<xs:element ref="xacml:Subject" maxOccurs="unbounded"/>
			<xs:element ref="xacml:AnySubject"/>
		</xs:choice>
	</xs:complexType>
	<!-- -->
	<xs:element name="Subject" type="xacml:SubjectType"/>
	<xs:complexType name="SubjectType">
		<xs:sequence>
			<xs:element ref="xacml:SubjectMatch" maxOccurs="unbounded"/>
		</xs:sequence>
	</xs:complexType>
	<!-- -->
	<xs:element name="AnySubject"/>
	<!-- -->
	<xs:element name="Resources" type="xacml:ResourcesType"/>
	<xs:complexType name="ResourcesType">
		<xs:choice>
			<xs:element ref="xacml:Resource" maxOccurs="unbounded"/>
			<xs:element ref="xacml:AnyResource"/>
		</xs:choice>
	</xs:complexType>
	<!-- -->
	<xs:element name="AnyResource"/>
	<!-- -->
	<xs:element name="Resource" type="xacml:ResourceType"/>
	<xs:complexType name="ResourceType">
		<xs:sequence>
			<xs:element ref="xacml:ResourceMatch" maxOccurs="unbounded"/>
		</xs:sequence>
	</xs:complexType>
	<!-- -->
	<xs:element name="Actions" type="xacml:ActionsType"/>
	<xs:complexType name="ActionsType">
		<xs:choice>
			<xs:element ref="xacml:Action" maxOccurs="unbounded"/>
			<xs:element ref="xacml:AnyAction"/>
		</xs:choice>
	</xs:complexType>
	<!-- -->
	<xs:element name="AnyAction"/>
	<!-- -->
	<xs:element name="Action" type="xacml:ActionType"/>
	<xs:complexType name="ActionType">
		<xs:sequence>
			<xs:element ref="xacml:ActionMatch" maxOccurs="unbounded"/>
		</xs:sequence>
	</xs:complexType>
	<!-- -->
	<xs:element name="SubjectMatch" type="xacml:SubjectMatchType"/>
	<xs:complexType name="SubjectMatchType">
		<xs:sequence>
			<xs:element ref="xacml:AttributeValue"/>
			<xs:choice>
				<xs:element ref="xacml:SubjectAttributeDesignator"/>
				<xs:element ref="xacml:AttributeSelector"/>
			</xs:choice>
		</xs:sequence>
		<xs:attribute name="MatchId" type="xs:anyURI" use="required"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="ResourceMatch" type="xacml:ResourceMatchType"/>
	<xs:complexType name="ResourceMatchType">
		<xs:sequence>
			<xs:element ref="xacml:AttributeValue"/>
			<xs:choice>
				<xs:element ref="xacml:ResourceAttributeDesignator"/>
				<xs:element ref="xacml:AttributeSelector"/>
			</xs:choice>
		</xs:sequence>
		<xs:attribute name="MatchId" type="xs:anyURI" use="required"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="ActionMatch" type="xacml:ActionMatchType"/>
	<xs:complexType name="ActionMatchType">
		<xs:sequence>
			<xs:element ref="xacml:AttributeValue"/>
			<xs:choice>
				<xs:element ref="xacml:ActionAttributeDesignator"/>
				<xs:element ref="xacml:AttributeSelector"/>
			</xs:choice>
		</xs:sequence>
		<xs:attribute name="MatchId" type="xs:anyURI" use="required"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="AttributeSelector" type="xacml:AttributeSelectorType"/>
	<xs:complexType name="AttributeSelectorType">
		<xs:attribute name="RequestContextPath" type="xs:string" use="required"/>
		<xs:attribute name="DataType" type="xs:anyURI" use="required"/>
		<xs:attribute name="MustBePresent" type="xs:boolean" use="optional" default="false"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="ResourceAttributeDesignator" type="xacml:AttributeDesignatorType"/>
	<xs:element name="ActionAttributeDesignator" type="xacml:AttributeDesignatorType"/>
	<xs:element name="EnvironmentAttributeDesignator" type="xacml:AttributeDesignatorType"/>
	<!-- -->
	<xs:complexType name="AttributeDesignatorType">
		<xs:attribute name="AttributeId" type="xs:anyURI" use="required"/>
		<xs:attribute name="DataType" type="xs:anyURI" use="required"/>
		<xs:attribute name="Issuer" type="xs:string" use="optional"/>
		<xs:attribute name="MustBePresent" type="xs:boolean" use="optional" default="false"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="SubjectAttributeDesignator" type="xacml:SubjectAttributeDesignatorType"/>
	<xs:complexType name="SubjectAttributeDesignatorType">
		<xs:complexContent>
			<xs:extension base="xacml:AttributeDesignatorType">
				<xs:attribute name="SubjectCategory" type="xs:anyURI" use="optional" default="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject"/>
			</xs:extension>
		</xs:complexContent>
	</xs:complexType>
	<!-- -->
	<xs:element name="AttributeValue" type="xacml:AttributeValueType"/>
	<xs:complexType name="AttributeValueType" mixed="true">
		<xs:sequence>
			<xs:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="DataType" type="xs:anyURI" use="required"/>
		<xs:anyAttribute namespace="##any" processContents="lax"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="Function" type="xacml:FunctionType"/>
	<xs:complexType name="FunctionType">
		<xs:attribute name="FunctionId" type="xs:anyURI" use="required"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="Apply" type="xacml:ApplyType"/>
	<xs:element name="Condition" type="xacml:ApplyType"/>
	<!-- -->
	<xs:complexType name="ApplyType">
		<xs:choice minOccurs="0" maxOccurs="unbounded">
			<xs:element ref="xacml:Apply"/>
			<xs:element ref="xacml:Function"/>
			<xs:element ref="xacml:AttributeValue"/>
			<xs:element ref="xacml:SubjectAttributeDesignator"/>
			<xs:element ref="xacml:ResourceAttributeDesignator"/>
			<xs:element ref="xacml:ActionAttributeDesignator"/>
			<xs:element ref="xacml:EnvironmentAttributeDesignator"/>
			<xs:element ref="xacml:AttributeSelector"/>
		</xs:choice>
		<xs:attribute name="FunctionId" type="xs:anyURI" use="required"/>
		<!-- Legal types for the first and subsequent operands are defined in the accompanying table -->
	</xs:complexType>
	<!-- -->
	<xs:element name="Obligations" type="xacml:ObligationsType"/>
	<xs:complexType name="ObligationsType">
		<xs:sequence>
			<xs:element ref="xacml:Obligation" maxOccurs="unbounded"/>
		</xs:sequence>
	</xs:complexType>
	<!-- -->
	<xs:element name="Obligation" type="xacml:ObligationType"/>
	<xs:complexType name="ObligationType">
		<xs:sequence>
			<xs:element ref="xacml:AttributeAssignment" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="ObligationId" type="xs:anyURI" use="required"/>
		<xs:attribute name="FulfillOn" type="xacml:EffectType" use="required"/>
	</xs:complexType>
	<!-- -->
	<xs:element name="AttributeAssignment" type="xacml:AttributeAssignmentType"/>
	<xs:complexType name="AttributeAssignmentType" mixed="true">
		<xs:complexContent mixed="true">
			<xs:extension base="xacml:AttributeValueType">
				<xs:attribute name="AttributeId" type="xs:anyURI" use="required"/>
			</xs:extension>
		</xs:complexContent>
	</xs:complexType>
	<!-- -->
</xs:schema>