diff options
Diffstat (limited to 'ANDROID_3.4.5/security/selinux/ss/sidtab.h')
-rw-r--r-- | ANDROID_3.4.5/security/selinux/ss/sidtab.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/ANDROID_3.4.5/security/selinux/ss/sidtab.h b/ANDROID_3.4.5/security/selinux/ss/sidtab.h deleted file mode 100644 index 84dc154d..00000000 --- a/ANDROID_3.4.5/security/selinux/ss/sidtab.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * A security identifier table (sidtab) is a hash table - * of security context structures indexed by SID value. - * - * Author : Stephen Smalley, <sds@epoch.ncsc.mil> - */ -#ifndef _SS_SIDTAB_H_ -#define _SS_SIDTAB_H_ - -#include "context.h" - -struct sidtab_node { - u32 sid; /* security identifier */ - struct context context; /* security context structure */ - struct sidtab_node *next; -}; - -#define SIDTAB_HASH_BITS 7 -#define SIDTAB_HASH_BUCKETS (1 << SIDTAB_HASH_BITS) -#define SIDTAB_HASH_MASK (SIDTAB_HASH_BUCKETS-1) - -#define SIDTAB_SIZE SIDTAB_HASH_BUCKETS - -struct sidtab { - struct sidtab_node **htable; - unsigned int nel; /* number of elements */ - unsigned int next_sid; /* next SID to allocate */ - unsigned char shutdown; -#define SIDTAB_CACHE_LEN 3 - struct sidtab_node *cache[SIDTAB_CACHE_LEN]; - spinlock_t lock; -}; - -int sidtab_init(struct sidtab *s); -int sidtab_insert(struct sidtab *s, u32 sid, struct context *context); -struct context *sidtab_search(struct sidtab *s, u32 sid); -struct context *sidtab_search_force(struct sidtab *s, u32 sid); - -int sidtab_map(struct sidtab *s, - int (*apply) (u32 sid, - struct context *context, - void *args), - void *args); - -int sidtab_context_to_sid(struct sidtab *s, - struct context *context, - u32 *sid); - -void sidtab_hash_eval(struct sidtab *h, char *tag); -void sidtab_destroy(struct sidtab *s); -void sidtab_set(struct sidtab *dst, struct sidtab *src); -void sidtab_shutdown(struct sidtab *s); - -#endif /* _SS_SIDTAB_H_ */ - - |