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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@paul-moore.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(struct policydb *p,
34 char oldc,
35 char **scontext,
36 struct context *context,
37 struct sidtab *s,
38 u32 def_sid);
39
40int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
41
42int mls_range_set(struct context *context, struct mls_range *range);
43
44int mls_convert_context(struct policydb *oldp,
45 struct policydb *newp,
46 struct context *context);
47
48int mls_compute_sid(struct context *scontext,
49 struct context *tcontext,
50 u16 tclass,
51 u32 specified,
52 struct context *newcontext,
53 bool sock);
54
55int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
56 struct context *usercon);
57
58#ifdef CONFIG_NETLABEL
59void mls_export_netlbl_lvl(struct context *context,
60 struct netlbl_lsm_secattr *secattr);
61void mls_import_netlbl_lvl(struct context *context,
62 struct netlbl_lsm_secattr *secattr);
63int mls_export_netlbl_cat(struct context *context,
64 struct netlbl_lsm_secattr *secattr);
65int mls_import_netlbl_cat(struct context *context,
66 struct netlbl_lsm_secattr *secattr);
67#else
68static inline void mls_export_netlbl_lvl(struct context *context,
69 struct netlbl_lsm_secattr *secattr)
70{
71 return;
72}
73static inline void mls_import_netlbl_lvl(struct context *context,
74 struct netlbl_lsm_secattr *secattr)
75{
76 return;
77}
78static inline int mls_export_netlbl_cat(struct context *context,
79 struct netlbl_lsm_secattr *secattr)
80{
81 return -ENOMEM;
82}
83static inline int mls_import_netlbl_cat(struct context *context,
84 struct netlbl_lsm_secattr *secattr)
85{
86 return -ENOMEM;
87}
88#endif
89
90#endif /* _SS_MLS_H */
91
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Multi-level security (MLS) policy operations.
4 *
5 * Author : Stephen Smalley, <sds@tycho.nsa.gov>
6 */
7/*
8 * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
9 *
10 * Support for enhanced MLS infrastructure.
11 *
12 * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
13 */
14/*
15 * Updated: Hewlett-Packard <paul@paul-moore.com>
16 *
17 * Added support to import/export the MLS label from NetLabel
18 *
19 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
20 */
21
22#ifndef _SS_MLS_H_
23#define _SS_MLS_H_
24
25#include "context.h"
26#include "policydb.h"
27
28int mls_compute_context_len(struct policydb *p, struct context *context);
29void mls_sid_to_context(struct policydb *p, struct context *context,
30 char **scontext);
31int mls_context_isvalid(struct policydb *p, struct context *c);
32int mls_range_isvalid(struct policydb *p, struct mls_range *r);
33int mls_level_isvalid(struct policydb *p, struct mls_level *l);
34
35int mls_context_to_sid(struct policydb *p,
36 char oldc,
37 char **scontext,
38 struct context *context,
39 struct sidtab *s,
40 u32 def_sid);
41
42int mls_from_string(struct policydb *p, char *str, struct context *context,
43 gfp_t gfp_mask);
44
45int mls_range_set(struct context *context, struct mls_range *range);
46
47int mls_convert_context(struct policydb *oldp,
48 struct policydb *newp,
49 struct context *context);
50
51int mls_compute_sid(struct policydb *p,
52 struct context *scontext,
53 struct context *tcontext,
54 u16 tclass,
55 u32 specified,
56 struct context *newcontext,
57 bool sock);
58
59int mls_setup_user_range(struct policydb *p,
60 struct context *fromcon, struct user_datum *user,
61 struct context *usercon);
62
63#ifdef CONFIG_NETLABEL
64void mls_export_netlbl_lvl(struct policydb *p,
65 struct context *context,
66 struct netlbl_lsm_secattr *secattr);
67void mls_import_netlbl_lvl(struct policydb *p,
68 struct context *context,
69 struct netlbl_lsm_secattr *secattr);
70int mls_export_netlbl_cat(struct policydb *p,
71 struct context *context,
72 struct netlbl_lsm_secattr *secattr);
73int mls_import_netlbl_cat(struct policydb *p,
74 struct context *context,
75 struct netlbl_lsm_secattr *secattr);
76#else
77static inline void mls_export_netlbl_lvl(struct policydb *p,
78 struct context *context,
79 struct netlbl_lsm_secattr *secattr)
80{
81 return;
82}
83static inline void mls_import_netlbl_lvl(struct policydb *p,
84 struct context *context,
85 struct netlbl_lsm_secattr *secattr)
86{
87 return;
88}
89static inline int mls_export_netlbl_cat(struct policydb *p,
90 struct context *context,
91 struct netlbl_lsm_secattr *secattr)
92{
93 return -ENOMEM;
94}
95static inline int mls_import_netlbl_cat(struct policydb *p,
96 struct context *context,
97 struct netlbl_lsm_secattr *secattr)
98{
99 return -ENOMEM;
100}
101#endif
102
103#endif /* _SS_MLS_H */
104