xref: /openbsd-src/sbin/pfctl/pfctl_parser.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: pfctl_parser.h,v 1.7 2001/08/11 09:54:59 deraadt Exp $ */
2 
3 /*
4  * Copyright (c) 2001, Daniel Hartmeier
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  *    - Redistributions of source code must retain the above copyright
12  *      notice, this list of conditions and the following disclaimer.
13  *    - Redistributions in binary form must reproduce the above
14  *      copyright notice, this list of conditions and the following
15  *      disclaimer in the documentation and/or other materials provided
16  *      with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  *
31  */
32 
33 #ifndef _PFCTL_PARSER_H_
34 #define _PFCTL_PARSER_H_
35 
36 struct pfctl {
37 	int dev;
38 	int opts;
39 	struct pfioc_rule *prule;
40 	struct pfioc_nat *pnat;
41 	struct pfioc_rdr *prdr;
42 };
43 
44 int	 pfctl_add_rule(struct pfctl *, struct pf_rule *);
45 int	 pfctl_add_nat(struct pfctl *, struct pf_nat *);
46 int	 pfctl_add_rdr(struct pfctl *, struct pf_rdr *);
47 
48 int	 parse_rules(FILE *, struct pfctl *);
49 int	 parse_nat(FILE *, struct pfctl *);
50 int	 parse_flags(char *);
51 
52 void	 print_rule(struct pf_rule *);
53 void	 print_nat(struct pf_nat *);
54 void	 print_rdr(struct pf_rdr *);
55 void	 print_state(struct pf_state *);
56 void	 print_status(struct pf_status *);
57 
58 struct icmptypeent {
59 	char *name;
60 	u_int8_t type;
61 };
62 
63 struct icmpcodeent {
64 	char *name;
65 	u_int8_t type;
66 	u_int8_t code;
67 };
68 
69 struct icmptypeent *geticmptypebynumber(u_int8_t);
70 struct icmptypeent *geticmptypebyname(char *);
71 struct icmpcodeent *geticmpcodebynumber(u_int8_t, u_int8_t);
72 struct icmpcodeent *geticmpcodebyname(u_long, char *);
73 
74 #endif /* _PFCTL_PARSER_H_ */
75