The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net/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  * Copyright 2001 Niels Provos <provos@citi.umich.edu>
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  */
   26 
   27 #ifndef _NET_IF_PFLOG_H_
   28 #define _NET_IF_PFLOG_H_
   29 
   30 #define PFLOGIFS_MAX    16
   31 
   32 #define PFLOG_RULESET_NAME_SIZE 16
   33 
   34 struct pfloghdr {
   35         u_int8_t        length;
   36         sa_family_t     af;
   37         u_int8_t        action;
   38         u_int8_t        reason;
   39         char            ifname[IFNAMSIZ];
   40         char            ruleset[PFLOG_RULESET_NAME_SIZE];
   41         u_int32_t       rulenr;
   42         u_int32_t       subrulenr;
   43         uid_t           uid;
   44         pid_t           pid;
   45         uid_t           rule_uid;
   46         pid_t           rule_pid;
   47         u_int8_t        dir;
   48         u_int8_t        pad[3];
   49 };
   50 
   51 #define PFLOG_HDRLEN            sizeof(struct pfloghdr)
   52 /* minus pad, also used as a signature */
   53 #define PFLOG_REAL_HDRLEN       offsetof(struct pfloghdr, pad)
   54 
   55 #ifdef _KERNEL
   56 struct pf_rule;
   57 struct pf_ruleset;
   58 struct pfi_kif;
   59 struct pf_pdesc;
   60 
   61 #define PFLOG_PACKET(i,a,b,c,d,e,f,g,h,di) do {         \
   62         if (pflog_packet_ptr != NULL)                   \
   63                 pflog_packet_ptr(i,a,b,c,d,e,f,g,h,di); \
   64 } while (0)
   65 #endif /* _KERNEL */
   66 #endif /* _NET_IF_PFLOG_H_ */

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