projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | * | |
| 376bd9cb | 11 | * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc. |
| 1da177e4 | 12 | */ |
| 7420ed23 VY |
13 | /* |
| 14 | * Updated: Hewlett-Packard <paul.moore@hp.com> | |
| 15 | * | |
| 02752760 | 16 | * Added support to import/export the MLS label from NetLabel |
| 7420ed23 VY |
17 | * |
| 18 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 | |
| 19 | */ | |
| 1da177e4 LT |
20 | |
| 21 | #ifndef _SS_MLS_H_ | |
| 22 | #define _SS_MLS_H_ | |
| 23 | ||
| 24 | #include "context.h" | |
| 25 | #include "policydb.h" | |
| 26 | ||
| 08554d6b VY |
27 | /* |
| 28 | * Copies the MLS range from `src' into `dst'. | |
| 29 | */ | |
| 30 | static inline int mls_copy_context(struct context *dst, | |
| 31 | struct context *src) | |
| 32 | { | |
| 33 | int l, rc = 0; | |
| 34 | ||
| 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); | |
| 40 | if (rc) | |
| 41 | break; | |
| 42 | } | |
| 43 | ||
| 44 | return rc; | |
| 45 | } | |
| 46 | ||
| 1da177e4 LT |
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); | |
| 50 | ||
| 51 | int mls_context_to_sid(char oldc, | |
| 52 | char **scontext, | |
| f5c1d5b2 JM |
53 | struct context *context, |
| 54 | struct sidtab *s, | |
| 55 | u32 def_sid); | |
| 1da177e4 | 56 | |
| 376bd9cb DG |
57 | int mls_from_string(char *str, struct context *context, gfp_t gfp_mask); |
| 58 | ||
| 1da177e4 LT |
59 | int mls_convert_context(struct policydb *oldp, |
| 60 | struct policydb *newp, | |
| 61 | struct context *context); | |
| 62 | ||
| 63 | int mls_compute_sid(struct context *scontext, | |
| 64 | struct context *tcontext, | |
| 65 | u16 tclass, | |
| 66 | u32 specified, | |
| 67 | struct context *newcontext); | |
| 68 | ||
| 69 | int mls_setup_user_range(struct context *fromcon, struct user_datum *user, | |
| 70 | struct context *usercon); | |
| 71 | ||
| 02752760 PM |
72 | #ifdef CONFIG_NETLABEL |
| 73 | void mls_export_netlbl_lvl(struct context *context, | |
| 74 | struct netlbl_lsm_secattr *secattr); | |
| 75 | void mls_import_netlbl_lvl(struct context *context, | |
| 76 | struct netlbl_lsm_secattr *secattr); | |
| 77 | int mls_export_netlbl_cat(struct context *context, | |
| 78 | struct netlbl_lsm_secattr *secattr); | |
| 79 | int mls_import_netlbl_cat(struct context *context, | |
| 80 | struct netlbl_lsm_secattr *secattr); | |
| 81 | #else | |
| 82 | static inline void mls_export_netlbl_lvl(struct context *context, | |
| 83 | struct netlbl_lsm_secattr *secattr) | |
| 84 | { | |
| 85 | return; | |
| 86 | } | |
| 87 | static inline void mls_import_netlbl_lvl(struct context *context, | |
| 88 | struct netlbl_lsm_secattr *secattr) | |
| 89 | { | |
| 90 | return; | |
| 91 | } | |
| 92 | static inline int mls_export_netlbl_cat(struct context *context, | |
| 93 | struct netlbl_lsm_secattr *secattr) | |
| 94 | { | |
| 95 | return -ENOMEM; | |
| 96 | } | |
| 97 | static inline int mls_import_netlbl_cat(struct context *context, | |
| 98 | struct netlbl_lsm_secattr *secattr) | |
| 99 | { | |
| 100 | return -ENOMEM; | |
| 101 | } | |
| 102 | #endif | |
| 7420ed23 | 103 | |
| 1da177e4 LT |
104 | #endif /* _SS_MLS_H */ |
| 105 |