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 */
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