89 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Multi-level security (MLS) policy operations.
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 *
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 * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
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 */
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/*
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 * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
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 *
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 *	Support for enhanced MLS infrastructure.
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 *
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 * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
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 */
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/*
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 * Updated: Hewlett-Packard <paul.moore@hp.com>
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 *
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 *	Added support to import/export the MLS label from NetLabel
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 *
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 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
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 */
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#ifndef _SS_MLS_H_
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#define _SS_MLS_H_
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#include "context.h"
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#include "policydb.h"
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int mls_compute_context_len(struct context *context);
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void mls_sid_to_context(struct context *context, char **scontext);
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int mls_context_isvalid(struct policydb *p, struct context *c);
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int mls_range_isvalid(struct policydb *p, struct mls_range *r);
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int mls_level_isvalid(struct policydb *p, struct mls_level *l);
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int mls_context_to_sid(struct policydb *p,
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		       char oldc,
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		       char **scontext,
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		       struct context *context,
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		       struct sidtab *s,
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		       u32 def_sid);
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int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
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int mls_convert_context(struct policydb *oldp,
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			struct policydb *newp,
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			struct context *context);
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int mls_compute_sid(struct context *scontext,
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		    struct context *tcontext,
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		    u16 tclass,
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		    u32 specified,
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		    struct context *newcontext);
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int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
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			 struct context *usercon);
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#ifdef CONFIG_NETLABEL
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void mls_export_netlbl_lvl(struct context *context,
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			   struct netlbl_lsm_secattr *secattr);
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void mls_import_netlbl_lvl(struct context *context,
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			   struct netlbl_lsm_secattr *secattr);
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int mls_export_netlbl_cat(struct context *context,
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			  struct netlbl_lsm_secattr *secattr);
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int mls_import_netlbl_cat(struct context *context,
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			  struct netlbl_lsm_secattr *secattr);
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#else
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static inline void mls_export_netlbl_lvl(struct context *context,
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					 struct netlbl_lsm_secattr *secattr)
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{
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	return;
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}
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static inline void mls_import_netlbl_lvl(struct context *context,
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					 struct netlbl_lsm_secattr *secattr)
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{
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	return;
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}
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static inline int mls_export_netlbl_cat(struct context *context,
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					struct netlbl_lsm_secattr *secattr)
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{
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	return -ENOMEM;
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}
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static inline int mls_import_netlbl_cat(struct context *context,
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					struct netlbl_lsm_secattr *secattr)
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{
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	return -ENOMEM;
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}
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#endif
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#endif	/* _SS_MLS_H */
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