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pflog.h
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/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _WIN32
#include <netinet/in.h>
#endif
/*
* pflog headers, at least as they exist now.
*/
#define PFLOG_IFNAMSIZ 16
#define PFLOG_RULESET_NAME_SIZE 16
/*
* Direction values.
*/
#define PF_INOUT 0
#define PF_IN 1
#define PF_OUT 2
#if defined(__OpenBSD__)
#define PF_FWD 3
#endif
/*
* Reason values.
*/
#define PFRES_MATCH 0
#define PFRES_BADOFF 1
#define PFRES_FRAG 2
#define PFRES_SHORT 3
#define PFRES_NORM 4
#define PFRES_MEMORY 5
#define PFRES_TS 6
#define PFRES_CONGEST 7
#define PFRES_IPOPTIONS 8
#define PFRES_PROTCKSUM 9
#define PFRES_BADSTATE 10
#define PFRES_STATEINS 11
#define PFRES_MAXSTATES 12
#define PFRES_SRCLIMIT 13
#define PFRES_SYNPROXY 14
#if defined(__FreeBSD__)
#define PFRES_MAPFAILED 15
#elif defined(__NetBSD__)
#define PFRES_STATELOCKED 15
#elif defined(__OpenBSD__)
#define PFRES_TRANSLATE 15
#define PFRES_NOROUTE 16
#elif defined(__APPLE__)
#define PFRES_DUMMYNET 15
#endif
/*
* Action values.
*/
#define PF_PASS 0
#define PF_DROP 1
#define PF_SCRUB 2
#define PF_NOSCRUB 3
#define PF_NAT 4
#define PF_NONAT 5
#define PF_BINAT 6
#define PF_NOBINAT 7
#define PF_RDR 8
#define PF_NORDR 9
#define PF_SYNPROXY_DROP 10
#if defined(__FreeBSD__)
#define PF_DEFER 11
#elif defined(__OpenBSD__)
#define PF_DEFER 11
#define PF_MATCH 12
#define PF_DIVERT 13
#define PF_RT 14
#define PF_AFRT 15
#elif defined(__APPLE__)
#define PF_DUMMYNET 11
#define PF_NODUMMYNET 12
#define PF_NAT64 13
#define PF_NONAT64 14
#endif
struct pf_addr {
union {
struct in_addr v4;
struct in6_addr v6;
uint8_t addr8[16];
uint16_t addr16[8];
uint32_t addr32[4];
} pfa; /* 128-bit address */
#define v4 pfa.v4
#define v6 pfa.v6
#define addr8 pfa.addr8
#define addr16 pfa.addr16
#define addr32 pfa.addr32
};
struct pfloghdr {
uint8_t length;
uint8_t af;
uint8_t action;
uint8_t reason;
char ifname[PFLOG_IFNAMSIZ];
char ruleset[PFLOG_RULESET_NAME_SIZE];
uint32_t rulenr;
uint32_t subrulenr;
uint32_t uid;
int32_t pid;
uint32_t rule_uid;
int32_t rule_pid;
uint8_t dir;
#if defined(__OpenBSD__)
uint8_t rewritten;
uint8_t naf;
uint8_t pad[1];
#else
uint8_t pad[3];
#endif
#if defined(__FreeBSD__)
uint32_t ridentifier;
uint8_t reserve;
uint8_t pad2[3];
#elif defined(__OpenBSD__)
struct pf_addr saddr;
struct pf_addr daddr;
uint16_t sport;
uint16_t dport;
#endif
};