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<?xml version="1.0" encoding="UTF-8"?>
<!-- Author: Reiner Sailer, Ray Valdez {sailer,rvaldez}@us.ibm.com -->
<!-- This file defines the security policies, which -->
<!-- can be enforced by the Xen Access Control Module. -->
<!-- Currently: Chinese Wall and Simple Type Enforcement-->
<SecurityPolicyDefinition xmlns="http://www.ibm.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ibm.com ../../security_policy.xsd ">
<PolicyHeader>
<PolicyName>example.client_v1</PolicyName>
<PolicyUrl>www.ibm.com/example/client_v1</PolicyUrl>
<Date>2006-03-31</Date>
<Version>1.0</Version>
</PolicyHeader>
<!-- -->
<!-- example of a simple type enforcement policy definition -->
<!-- -->
<SimpleTypeEnforcement>
<SimpleTypeEnforcementTypes>
<Type>ste_SystemManagement</Type><!-- machine/security management -->
<Type>ste_PersonalFinances</Type><!-- personal finances -->
<Type>ste_InternetInsecure</Type><!-- games, active X, etc. -->
<Type>ste_DonatedCycles</Type><!-- donation to BOINC/seti@home -->
<Type>ste_PersistentStorageA</Type><!-- domain managing the harddrive A-->
<Type>ste_NetworkAdapter0</Type><!-- type of the domain managing ethernet adapter 0-->
</SimpleTypeEnforcementTypes>
</SimpleTypeEnforcement>
<!-- -->
<!-- example of a chinese wall type definition -->
<!-- along with its conflict sets -->
<!-- (typse in a confict set are exclusive, i.e. -->
<!-- once a Domain with one type of a set is -->
<!-- running, no other Domain with another type -->
<!-- of the same conflict set can start.) -->
<ChineseWall priority="PrimaryPolicyComponent">
<ChineseWallTypes>
<Type>cw_SystemManagement</Type>
<Type>cw_Sensitive</Type>
<Type>cw_Isolated</Type>
<Type>cw_Distrusted</Type>
</ChineseWallTypes>
<ConflictSets>
<Conflict name="Protection1">
<Type>cw_Sensitive</Type>
<Type>cw_Distrusted</Type>
</Conflict>
</ConflictSets>
</ChineseWall>
<SecurityLabelTemplate>
<SubjectLabels bootstrap="dom_SystemManagement">
<!-- single ste typed domains -->
<!-- ACM enforces that only domains with -->
<!-- the same type can share information -->
<!-- -->
<!-- Bootstrap label is assigned to Dom0 -->
<VirtualMachineLabel>
<Name>dom_HomeBanking</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_PersonalFinances</Type>
</SimpleTypeEnforcementTypes>
<ChineseWallTypes>
<Type>cw_Sensitive</Type>
</ChineseWallTypes>
</VirtualMachineLabel>
<VirtualMachineLabel>
<Name>dom_Fun</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_InternetInsecure</Type>
</SimpleTypeEnforcementTypes>
<ChineseWallTypes>
<Type>cw_Distrusted</Type>
</ChineseWallTypes>
</VirtualMachineLabel>
<VirtualMachineLabel>
<!-- donating some cycles to seti@home -->
<Name>dom_BoincClient</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_DonatedCycles</Type>
</SimpleTypeEnforcementTypes>
<ChineseWallTypes>
<Type>cw_Isolated</Type>
</ChineseWallTypes>
</VirtualMachineLabel>
<!-- Domains with multiple ste types services; such domains -->
<!-- must keep the types inside their domain safely confined. -->
<VirtualMachineLabel>
<Name>dom_SystemManagement</Name>
<SimpleTypeEnforcementTypes>
<!-- since dom0 needs access to every domain and -->
<!-- resource right now ... -->
<Type>ste_SystemManagement</Type>
<Type>ste_PersonalFinances</Type>
<Type>ste_InternetInsecure</Type>
<Type>ste_DonatedCycles</Type>
<Type>ste_PersistentStorageA</Type>
<Type>ste_NetworkAdapter0</Type>
</SimpleTypeEnforcementTypes>
<ChineseWallTypes>
<Type>cw_SystemManagement</Type>
</ChineseWallTypes>
</VirtualMachineLabel>
<VirtualMachineLabel>
<!-- serves persistent storage to other domains -->
<Name>dom_StorageDomain</Name>
<SimpleTypeEnforcementTypes>
<!-- access right to the resource (hard drive a) -->
<Type>ste_PersistentStorageA</Type>
<!-- can serve following types -->
<Type>ste_PersonalFinances</Type>
<Type>ste_InternetInsecure</Type>
</SimpleTypeEnforcementTypes>
<ChineseWallTypes>
<Type>cw_SystemManagement</Type>
</ChineseWallTypes>
</VirtualMachineLabel>
<VirtualMachineLabel>
<!-- serves network access to other domains -->
<Name>dom_NetworkDomain</Name>
<SimpleTypeEnforcementTypes>
<!-- access right to the resource (ethernet card) -->
<Type>ste_NetworkAdapter0</Type>
<!-- can serve following types -->
<Type>ste_PersonalFinances</Type>
<Type>ste_InternetInsecure</Type>
<Type>ste_DonatedCycles</Type>
</SimpleTypeEnforcementTypes>
<ChineseWallTypes>
<Type>cw_SystemManagement</Type>
</ChineseWallTypes>
</VirtualMachineLabel>
</SubjectLabels>
<ObjectLabels>
<ResourceLabel>
<Name>res_ManagementResource</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_SystemManagement</Type>
</SimpleTypeEnforcementTypes>
</ResourceLabel>
<ResourceLabel>
<Name>res_HardDrive(hda)</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_PersistentStorageA</Type>
</SimpleTypeEnforcementTypes>
</ResourceLabel>
<ResourceLabel>
<Name>res_LogicalDiskPartition1(hda1)</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_PersonalFinances</Type>
</SimpleTypeEnforcementTypes>
</ResourceLabel>
<ResourceLabel>
<Name>res_LogicalDiskPartition2(hda2)</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_InternetInsecure</Type>
</SimpleTypeEnforcementTypes>
</ResourceLabel>
<ResourceLabel>
<Name>res_EthernetCard</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_NetworkAdapter0</Type>
</SimpleTypeEnforcementTypes>
</ResourceLabel>
<ResourceLabel>
<Name>res_SecurityToken</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_PersonalFinances</Type>
</SimpleTypeEnforcementTypes>
</ResourceLabel>
<ResourceLabel>
<Name>res_GraphicsAdapter</Name>
<SimpleTypeEnforcementTypes>
<Type>ste_SystemManagement</Type>
</SimpleTypeEnforcementTypes>
</ResourceLabel>
</ObjectLabels>
</SecurityLabelTemplate>
</SecurityPolicyDefinition>
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