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 #ifdef __cplusplus 9 extern "C" { 10 #endif 11 12 /* Return the number of nodes */ 13 extern int sepol_node_count(sepol_handle_t * handle, 14 const sepol_policydb_t * p, unsigned int *response); 15 16 /* Check if a node exists */ 17 extern int sepol_node_exists(sepol_handle_t * handle, 18 const sepol_policydb_t * policydb, 19 const sepol_node_key_t * key, int *response); 20 21 /* Query a node - returns the node, or NULL if not found */ 22 extern int sepol_node_query(sepol_handle_t * handle, 23 const sepol_policydb_t * policydb, 24 const sepol_node_key_t * key, 25 sepol_node_t ** response); 26 27 /* Modify a node, or add it, if the key is not found */ 28 extern int sepol_node_modify(sepol_handle_t * handle, 29 sepol_policydb_t * policydb, 30 const sepol_node_key_t * key, 31 const sepol_node_t * data); 32 33 /* Iterate the nodes 34 * The handler may return: 35 * -1 to signal an error condition, 36 * 1 to signal successful exit 37 * 0 to signal continue */ 38 39 extern int sepol_node_iterate(sepol_handle_t * handle, 40 const sepol_policydb_t * policydb, 41 int (*fn) (const sepol_node_t * node, 42 void *fn_arg), void *arg); 43 44 #ifdef __cplusplus 45 } 46 #endif 47 48 #endif 49