1 /* $Id: ssp_pf2.h,v 3.3 2009/11/27 01:39:40 fknobbe Exp $
2  *
3  * Copyright (c) 2003 Hector Paterno <apaterno@dsnsecurity.com>
4  * Copyright (c) 2004, 2005 Olaf Schreck <chakl@syscall.de>
5  * Copyright (c) 2009  Olli Hauer <ohauer@gmx.de>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *
30  * ssp_pf2.h
31  *
32  * Purpose:
33  *  See inside ssp_pf2.c
34  *
35  *
36  */
37 
38 #ifndef USE_SSP_PF
39 #if defined(OpenBSD) || defined(FreeBSD) || defined(NetBSD)
40 
41 #ifndef		__SSP_PF2_H__
42 #define		__SSP_PF2_H__
43 
44 #define         PFDEV     "/dev/pf"
45 
46 #include <sys/file.h>
47 #include <net/if.h>
48 #ifdef __DragonFly__
49 #include <net/pf/pfvar.h>
50 #else
51 #include <net/pfvar.h>
52 #endif
53 #include <errno.h>
54 
55 typedef struct _pf2data
56 {
57         char anchorname[PF_ANCHOR_NAME_SIZE];
58 	char tablein[PF_TABLE_NAME_SIZE];
59 	char tableout[PF_TABLE_NAME_SIZE];
60 	unsigned int kill;
61 }	PF2DATA;
62 
63 /* opt parsing routine defines and structs */
64 
65 #define MAX_OPT_NAME 16
66 #define MAX_OPT_VALUE 16
67 
68 typedef struct _opt_pf2
69 {
70    char name[MAX_OPT_NAME];            /* Option Name */
71    union
72      {
73 	char value_s[MAX_OPT_VALUE];   /* String Value */
74 	int value_d;	               /* Integer Value */
75      }v;
76    int vt;			       /* Value type */
77 }
78 opt_pf2;
79 
80 enum { PF2_OPT_ANCHOR, PF2_OPT_TABLE, PF2_OPT_KILL };
81 enum { PF2_KILL_STATE_ALL, PF2_KILL_STATE_DIR, PF2_KILL_STATE_NO };
82 
83 void PF2Parse(char *,char *,unsigned long,DATALIST *);
84 void PF2Block(BLOCKINFO *, void *,unsigned long);
85 int pf2_kill_states(int, const char *, int, int);
86 int lookup_anchor(int, const char *);
87 int lookup_table(int, const char *, const char *);
88 
89 #endif /* __SSP_PF2_H__ */
90 
91 #endif /* OpenBSD || FreeBSD || NetBSD */
92 #endif /* !USE_SSP_PF */
93