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