/*

 * 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.

 */

/*

 * 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

};