acl_list.c File Reference

This file helps the server keep out queries from outside sources, that should not be answered. More...

#include "config.h"
#include "daemon/acl_list.h"
#include "util/regional.h"
#include "util/log.h"
#include "util/config_file.h"
#include "util/net_help.h"

Functions
int	acl_list_cmp (const void *k1, const void *k2)
	compare two acl list entries
struct acl_list *	acl_list_create ()
	Create acl structure.
void	acl_list_delete (struct acl_list *acl)
	Delete acl structure.
static int	acl_list_insert (struct acl_list *acl, struct sockaddr_storage *addr, socklen_t addrlen, int net, enum acl_access control, int complain_duplicates)
	insert new address into acl_list structure
static int	acl_list_str_cfg (struct acl_list *acl, const char *str, const char *s2, int complain_duplicates)
	apply acl_list string
static int	read_acl_list (struct acl_list *acl, struct config_file *cfg)
	read acl_list config
static void	acl_list_init_parents (struct acl_list *acl)
	initialise parent pointers in the tree
int	acl_list_apply_cfg (struct acl_list *acl, struct config_file *cfg)
	Process access control config.
enum acl_access	acl_list_lookup (struct acl_list *acl, struct sockaddr_storage *addr, socklen_t addrlen)
	Lookup address to see its access control status.
size_t	acl_list_get_mem (struct acl_list *acl)
	Get memory used by acl structure.

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Detailed Description

This file helps the server keep out queries from outside sources, that should not be answered.

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Function Documentation

struct acl_list* acl_list_create

(

)

[read]

Create acl structure.

Returns:

new structure or NULL on error.

References acl_list_delete(), acl_list::region, and regional_create().

Referenced by daemon_init().

void acl_list_delete

(

struct acl_list *

acl

)

Delete acl structure.

Parameters:

acl,:

to delete.

References acl_list::region, regional_destroy(), and acl_list::tree.

Referenced by acl_list_create(), and daemon_delete().

int acl_list_apply_cfg	(	struct acl_list *	acl,
		struct config_file *	cfg
	)

Process access control config.

Parameters:

	acl,:	where to store.
	cfg,:	config options.

Returns:

0 on error.

References acl_list_cmp(), acl_list_init_parents(), acl_list_str_cfg(), config_file::do_ip6, rbtree_create(), read_acl_list(), acl_list::region, regional_free_all(), and acl_list::tree.

Referenced by daemon_fork().

enum acl_access acl_list_lookup	(	struct acl_list *	acl,
		struct sockaddr_storage *	addr,
		socklen_t	addrlen
	)

Lookup address to see its access control status.

Parameters:

	acl,:	structure for address storage.
	addr,:	address to check
	addrlen,:	length of addr.

Returns:

: what to do with message from this address.

References acl_deny, acl_addr::addr, addr_in_common(), addr_is_ip6(), acl_addr::addrlen, acl_addr::control, rbnode_t::key, acl_addr::net, acl_addr::node, acl_addr::parent, rbtree_find_less_equal(), and acl_list::tree.

Referenced by worker_handle_request().

size_t acl_list_get_mem

(

struct acl_list *

acl

)

Get memory used by acl structure.

Parameters:

acl,:

structure for address storage.

Returns:

bytes in use.

References acl_list::region, and regional_get_mem().