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      1 /* Author: Stephen Smalley, <sds (at) epoch.ncsc.mil>
      2  * Updated: Trusted Computer Solutions, Inc. <dgoeddel (at) trustedcs.com>
      3  *
      4  *      Support for enhanced MLS infrastructure.
      5  *
      6  * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc.
      7  *
      8  *  This library is free software; you can redistribute it and/or
      9  *  modify it under the terms of the GNU Lesser General Public
     10  *  License as published by the Free Software Foundation; either
     11  *  version 2.1 of the License, or (at your option) any later version.
     12  *
     13  *  This library is distributed in the hope that it will be useful,
     14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  *  Lesser General Public License for more details.
     17  *
     18  *  You should have received a copy of the GNU Lesser General Public
     19  *  License along with this library; if not, write to the Free Software
     20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     21  */
     22 
     23 #ifndef _SEPOL_MLS_INTERNAL_H_
     24 #define _SEPOL_MLS_INTERNAL_H_
     25 
     26 #include "policydb_internal.h"
     27 #include <sepol/policydb/context.h>
     28 #include "handle.h"
     29 
     30 extern int mls_from_string(sepol_handle_t * handle,
     31 			   const policydb_t * policydb,
     32 			   const char *str, context_struct_t * mls);
     33 
     34 extern int mls_to_string(sepol_handle_t * handle,
     35 			 const policydb_t * policydb,
     36 			 const context_struct_t * mls, char **str);
     37 
     38 /* Deprecated */
     39 extern int mls_compute_context_len(const policydb_t * policydb,
     40 				   const context_struct_t * context);
     41 
     42 /* Deprecated */
     43 extern void mls_sid_to_context(const policydb_t * policydb,
     44 			       const context_struct_t * context,
     45 			       char **scontext);
     46 
     47 /* Deprecated */
     48 extern int mls_context_to_sid(const policydb_t * policydb,
     49 			      char oldc,
     50 			      char **scontext, context_struct_t * context);
     51 
     52 extern int mls_context_isvalid(const policydb_t * p,
     53 			       const context_struct_t * c);
     54 
     55 extern int mls_convert_context(policydb_t * oldp,
     56 			       policydb_t * newp, context_struct_t * context);
     57 
     58 extern int mls_compute_sid(policydb_t * policydb,
     59 			   context_struct_t * scontext,
     60 			   context_struct_t * tcontext,
     61 			   sepol_security_class_t tclass,
     62 			   uint32_t specified, context_struct_t * newcontext);
     63 
     64 extern int mls_setup_user_range(context_struct_t * fromcon, user_datum_t * user,
     65 				context_struct_t * usercon, int mls);
     66 
     67 #endif
     68