13b3a8eb9SGleb Smirnoff /* $OpenBSD: if_pflog.h,v 1.13 2006/10/23 12:46:09 henning Exp $ */ 2fe267a55SPedro F. Giffuni /*- 3fe267a55SPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause 4fe267a55SPedro F. Giffuni * 53b3a8eb9SGleb Smirnoff * Copyright 2001 Niels Provos <provos@citi.umich.edu> 63b3a8eb9SGleb Smirnoff * All rights reserved. 73b3a8eb9SGleb Smirnoff * 83b3a8eb9SGleb Smirnoff * Redistribution and use in source and binary forms, with or without 93b3a8eb9SGleb Smirnoff * modification, are permitted provided that the following conditions 103b3a8eb9SGleb Smirnoff * are met: 113b3a8eb9SGleb Smirnoff * 1. Redistributions of source code must retain the above copyright 123b3a8eb9SGleb Smirnoff * notice, this list of conditions and the following disclaimer. 133b3a8eb9SGleb Smirnoff * 2. Redistributions in binary form must reproduce the above copyright 143b3a8eb9SGleb Smirnoff * notice, this list of conditions and the following disclaimer in the 153b3a8eb9SGleb Smirnoff * documentation and/or other materials provided with the distribution. 163b3a8eb9SGleb Smirnoff * 173b3a8eb9SGleb Smirnoff * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 183b3a8eb9SGleb Smirnoff * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 193b3a8eb9SGleb Smirnoff * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 203b3a8eb9SGleb Smirnoff * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 213b3a8eb9SGleb Smirnoff * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 223b3a8eb9SGleb Smirnoff * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 233b3a8eb9SGleb Smirnoff * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 243b3a8eb9SGleb Smirnoff * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 253b3a8eb9SGleb Smirnoff * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 263b3a8eb9SGleb Smirnoff * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 273b3a8eb9SGleb Smirnoff */ 283b3a8eb9SGleb Smirnoff 293b3a8eb9SGleb Smirnoff #ifndef _NET_IF_PFLOG_H_ 303b3a8eb9SGleb Smirnoff #define _NET_IF_PFLOG_H_ 313b3a8eb9SGleb Smirnoff 32dc04fa80SKristof Provost #include <sys/types.h> 33dc04fa80SKristof Provost 34dc04fa80SKristof Provost #include <net/if.h> 356d4baa0dSKristof Provost 363b3a8eb9SGleb Smirnoff #define PFLOG_RULESET_NAME_SIZE 16 373b3a8eb9SGleb Smirnoff 383b3a8eb9SGleb Smirnoff struct pfloghdr { 393b3a8eb9SGleb Smirnoff u_int8_t length; 403b3a8eb9SGleb Smirnoff sa_family_t af; 413b3a8eb9SGleb Smirnoff u_int8_t action; 423b3a8eb9SGleb Smirnoff u_int8_t reason; 433b3a8eb9SGleb Smirnoff char ifname[IFNAMSIZ]; 443b3a8eb9SGleb Smirnoff char ruleset[PFLOG_RULESET_NAME_SIZE]; 453b3a8eb9SGleb Smirnoff u_int32_t rulenr; 463b3a8eb9SGleb Smirnoff u_int32_t subrulenr; 473b3a8eb9SGleb Smirnoff uid_t uid; 483b3a8eb9SGleb Smirnoff pid_t pid; 493b3a8eb9SGleb Smirnoff uid_t rule_uid; 503b3a8eb9SGleb Smirnoff pid_t rule_pid; 513b3a8eb9SGleb Smirnoff u_int8_t dir; 52fcdb520cSKristof Provost u_int8_t pad1; /* rewritten, on OpenBSD */ 53fcdb520cSKristof Provost sa_family_t naf; 54fcdb520cSKristof Provost u_int8_t pad[1]; 5576c5eeccSKristof Provost u_int32_t ridentifier; 566d4baa0dSKristof Provost u_int8_t reserve; /* Appease broken software like Wireshark. */ 576d4baa0dSKristof Provost u_int8_t pad2[3]; 583b3a8eb9SGleb Smirnoff }; 593b3a8eb9SGleb Smirnoff 604daa31c1SKristof Provost #define PFLOG_ALIGNMENT sizeof(uint32_t) 614daa31c1SKristof Provost #define PFLOG_ALIGN(x) (((x) + PFLOG_ALIGNMENT - 1) & ~(PFLOG_ALIGNMENT - 1)) 624daa31c1SKristof Provost #define PFLOG_HDRLEN PFLOG_ALIGN(offsetof(struct pfloghdr, pad2)) 633b3a8eb9SGleb Smirnoff /* minus pad, also used as a signature */ 646d4baa0dSKristof Provost #define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad2) 653b3a8eb9SGleb Smirnoff 663b3a8eb9SGleb Smirnoff #ifdef _KERNEL 673b3a8eb9SGleb Smirnoff struct pf_rule; 683b3a8eb9SGleb Smirnoff struct pf_ruleset; 693b3a8eb9SGleb Smirnoff struct pfi_kif; 703b3a8eb9SGleb Smirnoff struct pf_pdesc; 713b3a8eb9SGleb Smirnoff 72*1ba1e152SKristof Provost #define PFLOG_PACKET(b,t,c,d,e,f,g,h) do { \ 733b3a8eb9SGleb Smirnoff if (pflog_packet_ptr != NULL) \ 74*1ba1e152SKristof Provost pflog_packet_ptr(b,t,c,d,e,f,g,h); \ 753b3a8eb9SGleb Smirnoff } while (0) 763b3a8eb9SGleb Smirnoff #endif /* _KERNEL */ 773b3a8eb9SGleb Smirnoff #endif /* _NET_IF_PFLOG_H_ */ 78