sys/dist/pf/net/if_pflog.h

   1 /*      $NetBSD: if_pflog.h,v 1.5 2008/06/18 09:06:27 yamt Exp $        */
   2 /*      $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
   3
   4 /*
   5  * Copyright 2001 Niels Provos <provos@citi.umich.edu>
   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 ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef _NET_IF_PFLOG_H_
  30 #define _NET_IF_PFLOG_H_
  31
  32 #define PFLOGIFS_MAX    16
  33
  34 struct pflog_softc {
  35         struct ifnet            sc_if;          /* the interface */
  36         int                     sc_unit;
  37         LIST_ENTRY(pflog_softc) sc_list;
  38 };
  39
  40 #define PFLOG_RULESET_NAME_SIZE 16
  41
  42 struct pfloghdr {
  43         u_int8_t        length;
  44         sa_family_t     af;
  45         u_int8_t        action;
  46         u_int8_t        reason;
  47         char            ifname[IFNAMSIZ];
  48         char            ruleset[PFLOG_RULESET_NAME_SIZE];
  49         u_int32_t       rulenr;
  50         u_int32_t       subrulenr;
  51         uid_t           uid;
  52         pid_t           pid;
  53         uid_t           rule_uid;
  54         pid_t           rule_pid;
  55         u_int8_t        dir;
  56         u_int8_t        pad[3];
  57 };
  58
  59 #define PFLOG_HDRLEN            sizeof(struct pfloghdr)
  60 /* minus pad, also used as a signature */
  61 #define PFLOG_REAL_HDRLEN       offsetof(struct pfloghdr, pad)
  62
  63 /* XXX remove later when old format logs are no longer needed */
  64 struct old_pfloghdr {
  65         u_int32_t af;
  66         char ifname[IFNAMSIZ];
  67         short rnr;
  68         u_short reason;
  69         u_short action;
  70         u_short dir;
  71 };
  72 #define OLD_PFLOG_HDRLEN        sizeof(struct old_pfloghdr)
  73
  74 #ifdef _KERNEL
  75
  76 #if NPFLOG > 0
  77 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
  78 #else
  79 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
  80 #endif /* NPFLOG > 0 */
  81 #endif /* _KERNEL */
  82 #endif /* _NET_IF_PFLOG_H_ */