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1 /* Author: Stephen Smalley, <sds@tycho.nsa.gov>
2  * Updated: Trusted Computer Solutions, Inc. <dgoeddel@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 <sepol/policydb/policydb.h>
29 #include "handle.h"
30 
31 extern int mls_from_string(sepol_handle_t * handle,
32 			   const policydb_t * policydb,
33 			   const char *str, context_struct_t * mls);
34 
35 extern int mls_to_string(sepol_handle_t * handle,
36 			 const policydb_t * policydb,
37 			 const context_struct_t * mls, char **str);
38 
39 /* Deprecated */
40 extern int mls_compute_context_len(const policydb_t * policydb,
41 				   const context_struct_t * context);
42 
43 /* Deprecated */
44 extern void mls_sid_to_context(const policydb_t * policydb,
45 			       const context_struct_t * context,
46 			       char **scontext);
47 
48 /* Deprecated */
49 extern int mls_context_to_sid(const policydb_t * policydb,
50 			      char oldc,
51 			      char **scontext, context_struct_t * context);
52 
53 extern int mls_context_isvalid(const policydb_t * p,
54 			       const context_struct_t * c);
55 
56 extern int mls_convert_context(policydb_t * oldp,
57 			       policydb_t * newp, context_struct_t * context);
58 
59 extern int mls_compute_sid(policydb_t * policydb,
60 			   const context_struct_t * scontext,
61 			   const context_struct_t * tcontext,
62 			   sepol_security_class_t tclass,
63 			   uint32_t specified, context_struct_t * newcontext);
64 
65 extern int mls_setup_user_range(context_struct_t * fromcon, user_datum_t * user,
66 				context_struct_t * usercon, int mls);
67 
68 #endif
69