diff options
Diffstat (limited to 'security/selinux/ss/mls.h')
| -rw-r--r-- | security/selinux/ss/mls.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h index fbb42f07dd7c..df6032c6d492 100644 --- a/security/selinux/ss/mls.h +++ b/security/selinux/ss/mls.h @@ -10,6 +10,13 @@ * * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc. */ +/* + * Updated: Hewlett-Packard <paul.moore@hp.com> + * + * Added support to import/export the MLS label + * + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 + */ #ifndef _SS_MLS_H_ #define _SS_MLS_H_ @@ -17,6 +24,26 @@ #include "context.h" #include "policydb.h" +/* + * Copies the MLS range from `src' into `dst'. + */ +static inline int mls_copy_context(struct context *dst, + struct context *src) +{ + int l, rc = 0; + + /* Copy the MLS range from the source context */ + for (l = 0; l < 2; l++) { + dst->range.level[l].sens = src->range.level[l].sens; + rc = ebitmap_cpy(&dst->range.level[l].cat, + &src->range.level[l].cat); + if (rc) + break; + } + + return rc; +} + int mls_compute_context_len(struct context *context); void mls_sid_to_context(struct context *context, char **scontext); int mls_context_isvalid(struct policydb *p, struct context *c); @@ -42,5 +69,19 @@ int mls_compute_sid(struct context *scontext, int mls_setup_user_range(struct context *fromcon, struct user_datum *user, struct context *usercon); +void mls_export_lvl(const struct context *context, u32 *low, u32 *high); +void mls_import_lvl(struct context *context, u32 low, u32 high); + +int mls_export_cat(const struct context *context, + unsigned char **low, + size_t *low_len, + unsigned char **high, + size_t *high_len); +int mls_import_cat(struct context *context, + const unsigned char *low, + size_t low_len, + const unsigned char *high, + size_t high_len); + #endif /* _SS_MLS_H */ |