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OSCAL and FedRAMP OSCAL extensions external constraints #602

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OSCAL and FedRAMP OSCAL extensions external constraints #602

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c75fe43
initial commit of OSCAL and FedRAMP-specific OSCAL external constrain…
david-waltermire Jun 19, 2024
efd9960
Added formal-names and descriptions to constraints.
david-waltermire Jun 21, 2024
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28 changes: 28 additions & 0 deletions fedramp-external-constraints.xml
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Original file line number Diff line number Diff line change
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<?xml version="1.0" encoding="UTF-8"?>
<metaschema-meta-constraints xmlns="http://csrc.nist.gov/ns/oscal/metaschema/1.0">
<!-- ================== -->
<!-- FedRAMP Extensions -->
<!-- ================== -->
<context>
<metapath target="/profile/modify/alter/add/prop"/>
<metapath target="/profile/modify/alter/add//part/prop"/>
<metapath target="/catalog//control//part/prop"/>
<metapath target="/assessment-plan/local-definitions/objectives-and-methods//part/prop"/>
<metapath target="/assessment-results/local-definitions/objectives-and-methods//part/prop"/>

<context>
<metapath target=".[@ns='https://fedramp.gov/ns/oscal' and @name='response-point']"/>

<constraints>
<matches id="prop-response-point-matches-string" target="." datatype="string"/>
<!-- TODO: fix scope of enforcement for the prop -->
<has-cardinality id="prop-response-point-has-cardinality-one" target="." max-occurs="1"/>
<remarks>
<p>This appears in FedRAMP profiles and resolved profile catalogs.</p>
<p>For control statements, it signals to the CSP which statements require a response in the SSP.</p>
<p>For control objectives, it signals to the assessor which control objectives must appear in the assessment results, which aligns with the FedRAMP test case workbook.</p>
</remarks>
</constraints>
</context>
</context>
</metaschema-meta-constraints>
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