if_pflog.h

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    1 /* $OpenBSD: if_pflog.h,v 1.13 2006/10/23 12:46:09 henning Exp $ */
    2 /*-
    3  * SPDX-License-Identifier: BSD-2-Clause
    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  * $FreeBSD$
   29  */
   30 
   31 #ifndef _NET_IF_PFLOG_H_
   32 #define _NET_IF_PFLOG_H_
   33 
   34 #include <sys/types.h>
   35 
   36 #include <net/if.h>
   37 
   38 #define PFLOGIFS_MAX    16
   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         u_int32_t       ridentifier;
   58         u_int8_t        reserve;        /* Appease broken software like Wireshark. */
   59         u_int8_t        pad2[3];
   60 };
   61 
   62 #define PFLOG_ALIGNMENT         sizeof(uint32_t)
   63 #define PFLOG_ALIGN(x)          (((x) + PFLOG_ALIGNMENT - 1) & ~(PFLOG_ALIGNMENT - 1))
   64 #define PFLOG_HDRLEN            PFLOG_ALIGN(offsetof(struct pfloghdr, pad2))
   65 /* minus pad, also used as a signature */
   66 #define PFLOG_REAL_HDRLEN       offsetof(struct pfloghdr, pad2)
   67 
   68 #ifdef _KERNEL
   69 struct pf_rule;
   70 struct pf_ruleset;
   71 struct pfi_kif;
   72 struct pf_pdesc;
   73 
   74 #define PFLOG_PACKET(i,a,b,c,d,e,f,g,h,di) do {         \
   75         if (pflog_packet_ptr != NULL)                   \
   76                 pflog_packet_ptr(i,a,b,c,d,e,f,g,h,di); \
   77 } while (0)
   78 #endif /* _KERNEL */
   79 #endif /* _NET_IF_PFLOG_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/net/if_pflog.h

FreeBSD/Linux Kernel Cross Reference
sys/net/if_pflog.h