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quagga

    1: /*
    2:  * Route filtering function.
    3:  * Copyright (C) 1998 Kunihiro Ishiguro
    4:  *
    5:  * This file is part of GNU Zebra.
    6:  *
    7:  * GNU Zebra is free software; you can redistribute it and/or modify
    8:  * it under the terms of the GNU General Public License as published
    9:  * by the Free Software Foundation; either version 2, or (at your
   10:  * option) any later version.
   11:  *
   12:  * GNU Zebra is distributed in the hope that it will be useful, but
   13:  * WITHOUT ANY WARRANTY; without even the implied warranty of
   14:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   15:  * General Public License for more details.
   16:  *
   17:  * You should have received a copy of the GNU General Public License
   18:  * along with GNU Zebra; see the file COPYING.  If not, write to the
   19:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   20:  * Boston, MA 02111-1307, USA. 
   21:  */
   22: 
   23: #ifndef _ZEBRA_FILTER_H
   24: #define _ZEBRA_FILTER_H
   25: 
   26: #include "if.h"
   27: 
   28: /* Filter type is made by `permit', `deny' and `dynamic'. */
   29: enum filter_type 
   30: {
   31:   FILTER_DENY,
   32:   FILTER_PERMIT,
   33:   FILTER_DYNAMIC
   34: };
   35: 
   36: enum access_type
   37: {
   38:   ACCESS_TYPE_STRING,
   39:   ACCESS_TYPE_NUMBER
   40: };
   41: 
   42: /* Access list */
   43: struct access_list
   44: {
   45:   char *name;
   46:   char *remark;
   47: 
   48:   struct access_master *master;
   49: 
   50:   enum access_type type;
   51: 
   52:   struct access_list *next;
   53:   struct access_list *prev;
   54: 
   55:   struct filter *head;
   56:   struct filter *tail;
   57: };
   58: 
   59: /* Prototypes for access-list. */
   60: extern void access_list_init (void);
   61: extern void access_list_reset (void);
   62: extern void access_list_add_hook (void (*func)(struct access_list *));
   63: extern void access_list_delete_hook (void (*func)(struct access_list *));
   64: extern struct access_list *access_list_lookup (afi_t, const char *);
   65: extern enum filter_type access_list_apply (struct access_list *, void *);
   66: 
   67: #endif /* _ZEBRA_FILTER_H */