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.
14 * Updated: Hewlett-Packard <paul.moore@hp.com>
16 * Added support to import/export the MLS label
18 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
28 * Copies the MLS range from `src' into `dst'.
30 static inline int mls_copy_context(struct context *dst,
35 /* Copy the MLS range from the source context */
36 for (l = 0; l < 2; l++) {
37 dst->range.level[l].sens = src->range.level[l].sens;
38 rc = ebitmap_cpy(&dst->range.level[l].cat,
39 &src->range.level[l].cat);
47 int mls_compute_context_len(struct context *context);
48 void mls_sid_to_context(struct context *context, char **scontext);
49 int mls_context_isvalid(struct policydb *p, struct context *c);
51 int mls_context_to_sid(char oldc,
53 struct context *context,
57 int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
59 int mls_convert_context(struct policydb *oldp,
60 struct policydb *newp,
61 struct context *context);
63 int mls_compute_sid(struct context *scontext,
64 struct context *tcontext,
67 struct context *newcontext);
69 int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
70 struct context *usercon);
72 void mls_export_lvl(const struct context *context, u32 *low, u32 *high);
73 void mls_import_lvl(struct context *context, u32 low, u32 high);
75 int mls_export_cat(const struct context *context,
80 int mls_import_cat(struct context *context,
81 const unsigned char *low,
83 const unsigned char *high,
86 #endif /* _SS_MLS_H */