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Linux kernel mirror (for testing)
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linux
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 * Updated: Hewlett-Packard <paul.moore@hp.com>
15 *
16 * Added support to import/export the MLS label from NetLabel
17 *
18 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
19 */
20
21#ifndef _SS_MLS_H_
22#define _SS_MLS_H_
23
24#include "context.h"
25#include "policydb.h"
26
27int mls_compute_context_len(struct context *context);
28void mls_sid_to_context(struct context *context, char **scontext);
29int mls_context_isvalid(struct policydb *p, struct context *c);
30int mls_range_isvalid(struct policydb *p, struct mls_range *r);
31int mls_level_isvalid(struct policydb *p, struct mls_level *l);
32
33int mls_context_to_sid(char oldc,
34 char **scontext,
35 struct context *context,
36 struct sidtab *s,
37 u32 def_sid);
38
39int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
40
41int mls_convert_context(struct policydb *oldp,
42 struct policydb *newp,
43 struct context *context);
44
45int mls_compute_sid(struct context *scontext,
46 struct context *tcontext,
47 u16 tclass,
48 u32 specified,
49 struct context *newcontext);
50
51int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
52 struct context *usercon);
53
54#ifdef CONFIG_NETLABEL
55void mls_export_netlbl_lvl(struct context *context,
56 struct netlbl_lsm_secattr *secattr);
57void mls_import_netlbl_lvl(struct context *context,
58 struct netlbl_lsm_secattr *secattr);
59int mls_export_netlbl_cat(struct context *context,
60 struct netlbl_lsm_secattr *secattr);
61int mls_import_netlbl_cat(struct context *context,
62 struct netlbl_lsm_secattr *secattr);
63#else
64static inline void mls_export_netlbl_lvl(struct context *context,
65 struct netlbl_lsm_secattr *secattr)
66{
67 return;
68}
69static inline void mls_import_netlbl_lvl(struct context *context,
70 struct netlbl_lsm_secattr *secattr)
71{
72 return;
73}
74static inline int mls_export_netlbl_cat(struct context *context,
75 struct netlbl_lsm_secattr *secattr)
76{
77 return -ENOMEM;
78}
79static inline int mls_import_netlbl_cat(struct context *context,
80 struct netlbl_lsm_secattr *secattr)
81{
82 return -ENOMEM;
83}
84#endif
85
86#endif /* _SS_MLS_H */
87