security/selinux/ss/mls.h

   1 /*
   2  * Multi-level security (MLS) policy operations.
   3  *
   4  * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
   5  */
   6 /*
   7  * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
   8  *
   9  *      Support for enhanced MLS infrastructure.
  10  *
  11  * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
  12  */
  13
  14 #ifndef _SS_MLS_H_
  15 #define _SS_MLS_H_
  16
  17 #include "context.h"
  18 #include "policydb.h"
  19
  20 int mls_compute_context_len(struct context *context);
  21 void mls_sid_to_context(struct context *context, char **scontext);
  22 int mls_context_isvalid(struct policydb *p, struct context *c);
  23
  24 int mls_context_to_sid(char oldc,
  25                        char **scontext,
  26                        struct context *context,
  27                        struct sidtab *s,
  28                        u32 def_sid);
  29
  30 int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
  31
  32 int mls_convert_context(struct policydb *oldp,
  33                         struct policydb *newp,
  34                         struct context *context);
  35
  36 int mls_compute_sid(struct context *scontext,
  37                     struct context *tcontext,
  38                     u16 tclass,
  39                     u32 specified,
  40                     struct context *newcontext);
  41
  42 int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
  43                          struct context *usercon);
  44
  45 #endif  /* _SS_MLS_H */
  46