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This module provides knowledge object classes and permissions. It should
be used to keep this knowledge from leaking into the more generic parts of
the policy generation.
tsockettfdtprocesstfiletlnk_filet	fifo_filetdbust
capabilitytunix_stream_socketiiitntrtwtbtPermMapcBs eZdZd�Zd�ZRS(sA mapping between a permission and its information flow properties.

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Ms	tPermMappingscBsDeZdZd�Zd�Zd�Zd�Zd�Zd�ZRS(s�The information flow properties of a set of object classes and permissions.

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S(ssRead the permission mappings from a file. This reads the format used
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(cCs|j||S(s�Get the permission map for the object permission.

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r;t||j|j�SX|S(sGet the permission map for the object permission or a default.

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