1 #ifndef _SEPOL_NODES_H_ 2 #define _SEPOL_NODES_H_ 3 4 #include <sepol/handle.h> 5 #include <sepol/policydb.h> 6 #include <sepol/node_record.h> 7 #include <sys/cdefs.h> 8 9 __BEGIN_DECLS 10 11 /* Return the number of nodes */ 12 extern int sepol_node_count(sepol_handle_t * handle, 13 const sepol_policydb_t * p, unsigned int *response); 14 15 /* Check if a node exists */ 16 extern int sepol_node_exists(sepol_handle_t * handle, 17 const sepol_policydb_t * policydb, 18 const sepol_node_key_t * key, int *response); 19 20 /* Query a node - returns the node, or NULL if not found */ 21 extern int sepol_node_query(sepol_handle_t * handle, 22 const sepol_policydb_t * policydb, 23 const sepol_node_key_t * key, 24 sepol_node_t ** response); 25 26 /* Modify a node, or add it, if the key is not found */ 27 extern int sepol_node_modify(sepol_handle_t * handle, 28 sepol_policydb_t * policydb, 29 const sepol_node_key_t * key, 30 const sepol_node_t * data); 31 32 /* Iterate the nodes 33 * The handler may return: 34 * -1 to signal an error condition, 35 * 1 to signal successful exit 36 * 0 to signal continue */ 37 38 extern int sepol_node_iterate(sepol_handle_t * handle, 39 const sepol_policydb_t * policydb, 40 int (*fn) (const sepol_node_t * node, 41 void *fn_arg), void *arg); 42 43 __END_DECLS 44 #endif 45