1 /* 2 * A security identifier table (sidtab) is a hash table 3 * of security context structures indexed by SID value. 4 */ 5 #ifndef _SELINUX_AVC_SIDTAB_H_ 6 #define _SELINUX_AVC_SIDTAB_H_ 7 8 #include <selinux/selinux.h> 9 #include <selinux/avc.h> 10 #include "dso.h" 11 12 struct sidtab_node { 13 struct security_id sid_s; 14 struct sidtab_node *next; 15 }; 16 17 #define SIDTAB_HASH_BITS 7 18 #define SIDTAB_HASH_BUCKETS (1 << SIDTAB_HASH_BITS) 19 #define SIDTAB_HASH_MASK (SIDTAB_HASH_BUCKETS-1) 20 #define SIDTAB_SIZE SIDTAB_HASH_BUCKETS 21 22 struct sidtab { 23 struct sidtab_node **htable; 24 unsigned nel; 25 }; 26 27 int sidtab_init(struct sidtab *s) hidden; 28 int sidtab_insert(struct sidtab *s, security_context_t ctx) hidden; 29 30 int sidtab_context_to_sid(struct sidtab *s, 31 security_context_t ctx, security_id_t * sid) hidden; 32 33 void sidtab_sid_stats(struct sidtab *s, char *buf, int buflen) hidden; 34 void sidtab_destroy(struct sidtab *s) hidden; 35 36 #endif /* _SELINUX_AVC_SIDTAB_H_ */ 37
