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 <stdio.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <limits.h>
#include "ldns/ldns.h"
#include "util/log.h"

Functions

struct acl_listacl_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
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.

Detailed Description

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


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, and regional_destroy().

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_str_cfg(), addr_tree_init(), addr_tree_init_parents(), config_file::do_ip6, 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, addr_tree_lookup(), acl_addr::control, 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().

Generated on Thu Apr 22 00:30:15 2010 for unbound by  doxygen 1.6.3