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 int mls_range_isvalid(struct policydb *p, struct mls_range *r); 24 int mls_level_isvalid(struct policydb *p, struct mls_level *l); 25 26 int mls_context_to_sid(char oldc, char **scontext, struct context *context, 27 struct sidtab *s); 28 29 int mls_convert_context(struct policydb *oldp, struct policydb *newp, 30 struct context *context); 31 32 int mls_compute_sid(struct context *scontext, struct context *tcontext, 33 u16 tclass, u32 specified, struct context *newcontext); 34 35 #endif /* _SS_MLS_H */ 36 37