2 * Multi-level security (MLS) policy operations.
4 * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
7 * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
9 * Support for enhanced MLS infrastructure.
11 * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
21 * Copies the MLS range from `src' into `dst'.
23 static inline int mls_copy_context(struct context *dst,
28 /* Copy the MLS range from the source context */
29 for (l = 0; l < 2; l++) {
30 dst->range.level[l].sens = src->range.level[l].sens;
31 rc = ebitmap_cpy(&dst->range.level[l].cat,
32 &src->range.level[l].cat);
40 int mls_compute_context_len(struct context *context);
41 void mls_sid_to_context(struct context *context, char **scontext);
42 int mls_context_isvalid(struct policydb *p, struct context *c);
44 int mls_context_to_sid(char oldc,
46 struct context *context,
50 int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
52 int mls_convert_context(struct policydb *oldp,
53 struct policydb *newp,
54 struct context *context);
56 int mls_compute_sid(struct context *scontext,
57 struct context *tcontext,
60 struct context *newcontext);
62 int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
63 struct context *usercon);
65 #endif /* _SS_MLS_H */