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104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/* $FreeBSD$ */
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/* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
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/*
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* Copyright 2001 Niels Provos <provos@citi.umich.edu>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _NET_IF_PFLOG_H_
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#define _NET_IF_PFLOG_H_
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#define PFLOGIFS_MAX 16
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#ifdef _KERNEL
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struct pflog_softc {
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#ifdef __FreeBSD__
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struct ifnet *sc_ifp; /* the interface pointer */
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#else
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struct ifnet sc_if; /* the interface */
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#endif
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int sc_unit;
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LIST_ENTRY(pflog_softc) sc_list;
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};
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#endif /* _KERNEL */
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#define PFLOG_RULESET_NAME_SIZE 16
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struct pfloghdr {
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u_int8_t length;
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sa_family_t af;
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u_int8_t action;
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u_int8_t reason;
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char ifname[IFNAMSIZ];
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char ruleset[PFLOG_RULESET_NAME_SIZE];
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u_int32_t rulenr;
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u_int32_t subrulenr;
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uid_t uid;
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pid_t pid;
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uid_t rule_uid;
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pid_t rule_pid;
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u_int8_t dir;
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u_int8_t pad[3];
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};
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#define PFLOG_HDRLEN sizeof(struct pfloghdr)
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/* minus pad, also used as a signature */
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#define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad)
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/* XXX remove later when old format logs are no longer needed */
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struct old_pfloghdr {
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u_int32_t af;
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char ifname[IFNAMSIZ];
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short rnr;
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u_short reason;
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u_short action;
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u_short dir;
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};
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#define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr)
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#ifdef _KERNEL
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#ifdef __FreeBSD__
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struct pf_rule;
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struct pf_ruleset;
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struct pfi_kif;
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struct pf_pdesc;
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typedef int pflog_packet_t(struct pfi_kif *, struct mbuf *, sa_family_t,
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u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *,
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struct pf_ruleset *, struct pf_pdesc *);
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extern pflog_packet_t *pflog_packet_ptr;
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#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) do { \
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if (pflog_packet_ptr != NULL) \
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pflog_packet_ptr(i,a,b,c,d,e,f,g,h); \
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} while (0)
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#else /* ! __FreeBSD__ */
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#if NPFLOG > 0
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#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
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#else
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#define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
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#endif /* NPFLOG > 0 */
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#endif /* __FreeBSD__ */
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#endif /* _KERNEL */
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#endif /* _NET_IF_PFLOG_H_ */
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