Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | * |
Darrel Goeddel | 376bd9c | 2006-02-24 15:44:05 -0600 | [diff] [blame] | 11 | * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | */ |
Venkat Yekkirala | 7420ed2 | 2006-08-04 23:17:57 -0700 | [diff] [blame] | 13 | /* |
| 14 | * Updated: Hewlett-Packard <paul.moore@hp.com> |
| 15 | * |
Paul Moore | 0275276 | 2006-11-29 13:18:18 -0500 | [diff] [blame^] | 16 | * Added support to import/export the MLS label from NetLabel |
Venkat Yekkirala | 7420ed2 | 2006-08-04 23:17:57 -0700 | [diff] [blame] | 17 | * |
| 18 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 |
| 19 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
| 21 | #ifndef _SS_MLS_H_ |
| 22 | #define _SS_MLS_H_ |
| 23 | |
| 24 | #include "context.h" |
| 25 | #include "policydb.h" |
| 26 | |
Venkat Yekkirala | 08554d6 | 2006-07-24 23:27:16 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
James Morris | f5c1d5b | 2005-07-28 01:07:37 -0700 | [diff] [blame] | 53 | struct context *context, |
| 54 | struct sidtab *s, |
| 55 | u32 def_sid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
Darrel Goeddel | 376bd9c | 2006-02-24 15:44:05 -0600 | [diff] [blame] | 57 | int mls_from_string(char *str, struct context *context, gfp_t gfp_mask); |
| 58 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Paul Moore | 0275276 | 2006-11-29 13:18:18 -0500 | [diff] [blame^] | 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 |
Venkat Yekkirala | 7420ed2 | 2006-08-04 23:17:57 -0700 | [diff] [blame] | 103 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | #endif /* _SS_MLS_H */ |
| 105 | |