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Annotation of sys/net/if_pflog.h, Revision 1.1.1.1

1.1       nbrk        1: /* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 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: struct pflog_softc {
                     33:        struct ifnet            sc_if;          /* the interface */
                     34:        int                     sc_unit;
                     35:        LIST_ENTRY(pflog_softc) sc_list;
                     36: };
                     37:
                     38: #define PFLOG_RULESET_NAME_SIZE        16
                     39:
                     40: struct pfloghdr {
                     41:        u_int8_t        length;
                     42:        sa_family_t     af;
                     43:        u_int8_t        action;
                     44:        u_int8_t        reason;
                     45:        char            ifname[IFNAMSIZ];
                     46:        char            ruleset[PFLOG_RULESET_NAME_SIZE];
                     47:        u_int32_t       rulenr;
                     48:        u_int32_t       subrulenr;
                     49:        uid_t           uid;
                     50:        pid_t           pid;
                     51:        uid_t           rule_uid;
                     52:        pid_t           rule_pid;
                     53:        u_int8_t        dir;
                     54:        u_int8_t        pad[3];
                     55: };
                     56:
                     57: #define PFLOG_HDRLEN           sizeof(struct pfloghdr)
                     58: /* minus pad, also used as a signature */
                     59: #define PFLOG_REAL_HDRLEN      offsetof(struct pfloghdr, pad)
                     60:
                     61: /* XXX remove later when old format logs are no longer needed */
                     62: struct old_pfloghdr {
                     63:        u_int32_t af;
                     64:        char ifname[IFNAMSIZ];
                     65:        short rnr;
                     66:        u_short reason;
                     67:        u_short action;
                     68:        u_short dir;
                     69: };
                     70: #define OLD_PFLOG_HDRLEN       sizeof(struct old_pfloghdr)
                     71:
                     72: #ifdef _KERNEL
                     73:
                     74: #if NPFLOG > 0
                     75: #define        PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
                     76: #else
                     77: #define        PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
                     78: #endif /* NPFLOG > 0 */
                     79: #endif /* _KERNEL */
                     80: #endif /* _NET_IF_PFLOG_H_ */