1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/* $OpenBSD: pfctl_parser.h,v 1.22 2002/06/11 02:12:37 dhartmei Exp $ */
/*
* Copyright (c) 2001 Daniel Hartmeier
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef _PFCTL_PARSER_H_
#define _PFCTL_PARSER_H_
#define PF_OPT_DISABLE 0x0001
#define PF_OPT_ENABLE 0x0002
#define PF_OPT_VERBOSE 0x0004
#define PF_OPT_NOACTION 0x0008
#define PF_OPT_QUIET 0x0010
#define PF_OPT_CLRRULECTRS 0x0020
#define PF_OPT_USEDNS 0x0040
#define PF_TH_ALL 0xFF
#define PF_NAT_PROXY_PORT_LOW 50001
#define PF_NAT_PROXY_PORT_HIGH 65535
#define FCNT_NAMES { \
"searches", \
"inserts", \
"removals", \
NULL \
}
struct pfctl {
int dev;
int opts;
u_int16_t rule_nr;
struct pfioc_rule *prule;
struct pfioc_nat *pnat;
struct pfioc_binat *pbinat;
struct pfioc_rdr *prdr;
};
int pfctl_add_rule(struct pfctl *, struct pf_rule *);
int pfctl_add_nat(struct pfctl *, struct pf_nat *);
int pfctl_add_binat(struct pfctl *, struct pf_binat *);
int pfctl_add_rdr(struct pfctl *, struct pf_rdr *);
int parse_rules(FILE *, struct pfctl *);
int parse_nat(FILE *, struct pfctl *);
int parse_flags(char *);
void print_rule(struct pf_rule *);
void print_nat(struct pf_nat *);
void print_binat(struct pf_binat *);
void print_rdr(struct pf_rdr *);
void print_status(struct pf_status *);
int unmask(struct pf_addr *, u_int8_t);
struct icmptypeent {
char *name;
u_int8_t type;
};
struct icmpcodeent {
char *name;
u_int8_t type;
u_int8_t code;
};
const struct icmptypeent *geticmptypebynumber(u_int8_t, u_int8_t);
const struct icmptypeent *geticmptypebyname(char *, u_int8_t);
const struct icmpcodeent *geticmpcodebynumber(u_int8_t, u_int8_t, u_int8_t);
const struct icmpcodeent *geticmpcodebyname(u_long, char *, u_int8_t);
struct pf_timeout {
const char *name;
int timeout;
};
extern const struct pf_timeout pf_timeouts[];
#endif /* _PFCTL_PARSER_H_ */
|
