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/* $OpenBSD: if_pflog.h,v 1.13 2006/10/23 12:46:09 henning Exp $ */
/*
* Copyright 2001 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 AUTHOR ``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 AUTHOR 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 _NET_IF_PFLOG_H_
#define _NET_IF_PFLOG_H_
#define PFLOGIFS_MAX 16
struct pflog_softc {
#ifdef __FreeBSD__
struct ifnet *sc_ifp; /* the interface pointer */
#else
struct ifnet sc_if; /* the interface */
#endif
int sc_unit;
LIST_ENTRY(pflog_softc) sc_list;
};
#define PFLOG_RULESET_NAME_SIZE 16
struct pfloghdr {
u_int8_t length;
sa_family_t af;
u_int8_t action;
u_int8_t reason;
char ifname[IFNAMSIZ];
char ruleset[PFLOG_RULESET_NAME_SIZE];
u_int32_t rulenr;
u_int32_t subrulenr;
uid_t uid;
pid_t pid;
uid_t rule_uid;
pid_t rule_pid;
u_int8_t dir;
u_int8_t pad[3];
};
#define PFLOG_HDRLEN sizeof(struct pfloghdr)
/* minus pad, also used as a signature */
#define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad)
/* XXX remove later when old format logs are no longer needed */
struct old_pfloghdr {
u_int32_t af;
char ifname[IFNAMSIZ];
short rnr;
u_short reason;
u_short action;
u_short dir;
};
#define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr)
#ifdef _KERNEL
#ifdef __FreeBSD__
struct pf_rule;
struct pf_ruleset;
struct pfi_kif;
struct pf_pdesc;
#if 0
typedef int pflog_packet_t(struct pfi_kif *, struct mbuf *, sa_family_t,
u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *,
struct pf_ruleset *, struct pf_pdesc *);
extern pflog_packet_t *pflog_packet_ptr;
#endif
#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) do { \
if (pflog_packet_ptr != NULL) \
pflog_packet_ptr(i,a,b,c,d,e,f,g,h); \
} while (0)
#else /* ! __FreeBSD__ */
#if NPFLOG > 0
#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
#else
#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
#endif /* NPFLOG > 0 */
#endif
#endif /* _KERNEL */
#endif /* _NET_IF_PFLOG_H_ */