iter_donotq.h File Reference

This file contains functions to assist the iterator module. More...

#include "util/storage/dnstree.h"

Data Structures
struct	iter_donotq
	Iterator donotqueryaddresses structure. More...

Functions
struct iter_donotq *	donotq_create (void)
	Create donotqueryaddresses structure. More...
void	donotq_delete (struct iter_donotq *donotq)
	Delete donotqueryaddresses structure. More...
int	donotq_apply_cfg (struct iter_donotq *donotq, struct config_file *cfg)
	Process donotqueryaddresses config. More...
int	donotq_lookup (struct iter_donotq *donotq, struct sockaddr_storage *addr, socklen_t addrlen)
	See if an address is blocked. More...
size_t	donotq_get_mem (struct iter_donotq *donotq)
	Get memory used by donotqueryaddresses structure. More...

Detailed Description

This file contains functions to assist the iterator module.

Keep track of the donotquery addresses and lookup fast.

Function Documentation

donotq_create()

struct iter_donotq* donotq_create

(

void

)

Create donotqueryaddresses structure.

Returns

new structure or NULL on error.

References donotq_delete(), iter_donotq::region, and regional_create().

Referenced by iter_apply_cfg().

donotq_delete()

void donotq_delete

(

struct iter_donotq *

donotq

)

Delete donotqueryaddresses structure.

Parameters

donotq

to delete.

References iter_donotq::region, and regional_destroy().

Referenced by donotq_create(), and iter_deinit().

donotq_apply_cfg()

int donotq_apply_cfg	(	struct iter_donotq *	donotq,
		struct config_file *	cfg
	)

Process donotqueryaddresses config.

Parameters

donotq	where to store.
cfg	config options.

Returns

0 on error.

References addr_tree_init(), addr_tree_init_parents(), config_file::do_ip6, donotq_str_cfg(), config_file::donotquery_localhost, read_donotq(), iter_donotq::region, regional_free_all(), and iter_donotq::tree.

Referenced by iter_apply_cfg().

donotq_lookup()

int donotq_lookup	(	struct iter_donotq *	donotq,
		struct sockaddr_storage *	addr,
		socklen_t	addrlen
	)

See if an address is blocked.

Parameters

donotq	structure for address storage.
addr	address to check
addrlen	length of addr.

Returns

: true if the address must not be queried. false if unlisted.

References addr_tree_lookup(), and iter_donotq::tree.

Referenced by iter_filter_unsuitable().

donotq_get_mem()

size_t donotq_get_mem

(

struct iter_donotq *

donotq

)

Get memory used by donotqueryaddresses structure.

Parameters

donotq

structure for address storage.

Returns

bytes in use.

References iter_donotq::region, and regional_get_mem().