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v4.6
 
 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
v5.4
  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 *oldc,
 50			struct context *newc);
 51
 52int mls_compute_sid(struct policydb *p,
 53		    struct context *scontext,
 54		    struct context *tcontext,
 55		    u16 tclass,
 56		    u32 specified,
 57		    struct context *newcontext,
 58		    bool sock);
 59
 60int mls_setup_user_range(struct policydb *p,
 61			 struct context *fromcon, struct user_datum *user,
 62			 struct context *usercon);
 63
 64#ifdef CONFIG_NETLABEL
 65void mls_export_netlbl_lvl(struct policydb *p,
 66			   struct context *context,
 67			   struct netlbl_lsm_secattr *secattr);
 68void mls_import_netlbl_lvl(struct policydb *p,
 69			   struct context *context,
 70			   struct netlbl_lsm_secattr *secattr);
 71int mls_export_netlbl_cat(struct policydb *p,
 72			  struct context *context,
 73			  struct netlbl_lsm_secattr *secattr);
 74int mls_import_netlbl_cat(struct policydb *p,
 75			  struct context *context,
 76			  struct netlbl_lsm_secattr *secattr);
 77#else
 78static inline void mls_export_netlbl_lvl(struct policydb *p,
 79					 struct context *context,
 80					 struct netlbl_lsm_secattr *secattr)
 81{
 82	return;
 83}
 84static inline void mls_import_netlbl_lvl(struct policydb *p,
 85					 struct context *context,
 86					 struct netlbl_lsm_secattr *secattr)
 87{
 88	return;
 89}
 90static inline int mls_export_netlbl_cat(struct policydb *p,
 91					struct context *context,
 92					struct netlbl_lsm_secattr *secattr)
 93{
 94	return -ENOMEM;
 95}
 96static inline int mls_import_netlbl_cat(struct policydb *p,
 97					struct context *context,
 98					struct netlbl_lsm_secattr *secattr)
 99{
100	return -ENOMEM;
101}
102#endif
103
104#endif	/* _SS_MLS_H */
105