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/*
* Route filtering function.
* Copyright (C) 1998 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2, or (at your
* option) any later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _ZEBRA_FILTER_H
#define _ZEBRA_FILTER_H
#include "if.h"
/* Filter type is made by `permit', `deny' and `dynamic'. */
enum filter_type
{
FILTER_DENY,
FILTER_PERMIT,
FILTER_DYNAMIC
};
enum access_type
{
ACCESS_TYPE_STRING,
ACCESS_TYPE_NUMBER
};
/* Access list */
struct access_list
{
char *name;
char *remark;
struct access_master *master;
enum access_type type;
struct access_list *next;
struct access_list *prev;
struct filter *head;
struct filter *tail;
};
/* Prototypes for access-list. */
extern void access_list_init (void);
extern void access_list_reset (void);
extern void access_list_add_hook (void (*func)(struct access_list *));
extern void access_list_delete_hook (void (*func)(struct access_list *));
extern struct access_list *access_list_lookup (afi_t, const char *);
extern enum filter_type access_list_apply (struct access_list *, void *);
#endif /* _ZEBRA_FILTER_H */
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