Selinux grammar

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Keywords can be in all uppercase or all lowercase.
 
Keywords can be in all uppercase or all lowercase.
  
Convention followed in this document: Items in ''bold'' are literal,
+
Convention followed in this document: ''Italics'' are used for syntax categories.
 +
Items in '''bold''' are literal,
 
they must appear in the policy file exactly as written. Items in '''''bold italics'''''
 
they must appear in the policy file exactly as written. Items in '''''bold italics'''''
 
are used for things that can be replaced by some user specified text. They will
 
are used for things that can be replaced by some user specified text. They will

Revision as of 13:02, 17 October 2008

This is my attempt at documenting the policy grammar that is accepted by checkpolicy.

Comments start with a # character and continue to the end of the line.

Keywords can be in all uppercase or all lowercase.

Convention followed in this document: Italics are used for syntax categories. Items in bold are literal, they must appear in the policy file exactly as written. Items in bold italics are used for things that can be replaced by some user specified text. They will also be surrounded with < and > signs to make them clearly different from keywords.

Any item in [ square brackets ] is an optional item. Items with a * after them can be repeated zero or more times. Parenthesis are used to group items that can be repeated.

A file must contain either a base_policy or a module_policy.

module_policy = module <identifier> <version_identifier> ; next