[apple/xnu.git] / bsd / net / if_pflog.h

/*
 * Copyright (c) 2007-2018 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

/* $apfw: if_pflog.h,v 1.3 2007/08/13 22:18:33 jhw Exp $ */
/* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
/*
 * Copyright 2001 Niels Provos <provos@citi.umich.edu>
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _NET_IF_PFLOG_H_
#define _NET_IF_PFLOG_H_

#if PF || !defined(KERNEL)

#ifdef  __cplusplus
extern "C" {
#endif

#define PFLOGIFS_MAX            16
#define PFLOGIF_ZONE_MAX_ELEM           MIN(IFNETS_MAX, PFLOGIFS_MAX)

#if KERNEL_PRIVATE
struct pflog_softc {
	struct ifnet            *sc_if;         /* back ptr to interface */
	u_int32_t               sc_flags;
#define IFPFLF_DETACHING        0x1
	int                     sc_unit;
	LIST_ENTRY(pflog_softc) sc_list;
};
#endif /* KERNEL_PRIVATE */

#define PFLOG_RULESET_NAME_SIZE 16

struct pfloghdr {
	u_int8_t        length;
	sa_family_t     af;
	u_int8_t        action;
	u_int8_t        reason;
	char            ifname[IFNAMSIZ];
	char            ruleset[PFLOG_RULESET_NAME_SIZE];
	u_int32_t       rulenr;
	u_int32_t       subrulenr;
	uid_t           uid;
	pid_t           pid;
	uid_t           rule_uid;
	pid_t           rule_pid;
	u_int8_t        dir;
	u_int8_t        pad[3];
};

#define PFLOG_HDRLEN            sizeof(struct pfloghdr)
/* minus pad, also used as a signature */
#define PFLOG_REAL_HDRLEN       offsetof(struct pfloghdr, pad)

#ifdef KERNEL_PRIVATE

#if PFLOG
#define PFLOG_PACKET(i, x, a, b, c, d, e, f, g, h) pflog_packet(i,a,b,c,d,e,f,g,h)
#else
#define PFLOG_PACKET(i, x, a, b, c, d, e, f, g, h) ((void)0)
#endif /* PFLOG */

__private_extern__ void pfloginit(void);
#endif /* KERNEL_PRIVATE */

#ifdef  __cplusplus
}
#endif
#endif /* PF || !KERNEL */
#endif /* _NET_IF_PFLOG_H_ */
Commit	Line	Data
b0d623f7	1	/*
d9a64523	2	* Copyright (c) 2007-2018 Apple Inc. All rights reserved.
b0d623f7 A	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28
	29	/* $apfw: if_pflog.h,v 1.3 2007/08/13 22:18:33 jhw Exp $ */
	30	/* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
	31	/*
	32	* Copyright 2001 Niels Provos <provos@citi.umich.edu>
	33	* All rights reserved.
	34	*
	35	* Redistribution and use in source and binary forms, with or without
	36	* modification, are permitted provided that the following conditions
	37	* are met:
	38	* 1. Redistributions of source code must retain the above copyright
	39	* notice, this list of conditions and the following disclaimer.
	40	* 2. Redistributions in binary form must reproduce the above copyright
	41	* notice, this list of conditions and the following disclaimer in the
	42	* documentation and/or other materials provided with the distribution.
	43	*
	44	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	45	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	46	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	47	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	48	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	49	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	50	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	51	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	52	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	53	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	54	*/
	55
	56	#ifndef _NET_IF_PFLOG_H_
	57	#define _NET_IF_PFLOG_H_
	58
	59	#if PF \|\| !defined(KERNEL)
	60
	61	#ifdef __cplusplus
	62	extern "C" {
	63	#endif
	64
0a7de745 A	65	#define PFLOGIFS_MAX 16
0a7de745 A	66	#define PFLOGIF_ZONE_MAX_ELEM MIN(IFNETS_MAX, PFLOGIFS_MAX)
b0d623f7 A	67
	68	#if KERNEL_PRIVATE
	69	struct pflog_softc {
0a7de745 A	70	struct ifnet sc_if; / back ptr to interface */
	71	u_int32_t sc_flags;
	72	#define IFPFLF_DETACHING 0x1
	73	int sc_unit;
	74	LIST_ENTRY(pflog_softc) sc_list;
b0d623f7 A	75	};
	76	#endif /* KERNEL_PRIVATE */
	77
0a7de745	78	#define PFLOG_RULESET_NAME_SIZE 16
b0d623f7 A	79
b0d623f7 A	80	struct pfloghdr {
0a7de745 A	81	u_int8_t length;
	82	sa_family_t af;
	83	u_int8_t action;
	84	u_int8_t reason;
	85	char ifname[IFNAMSIZ];
	86	char ruleset[PFLOG_RULESET_NAME_SIZE];
	87	u_int32_t rulenr;
	88	u_int32_t subrulenr;
	89	uid_t uid;
	90	pid_t pid;
	91	uid_t rule_uid;
	92	pid_t rule_pid;
	93	u_int8_t dir;
	94	u_int8_t pad[3];
b0d623f7 A	95	};
b0d623f7 A	96
0a7de745	97	#define PFLOG_HDRLEN sizeof(struct pfloghdr)
b0d623f7	98	/* minus pad, also used as a signature */
0a7de745	99	#define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad)
b0d623f7 A	100
	101	#ifdef KERNEL_PRIVATE
	102
	103	#if PFLOG
0a7de745	104	#define PFLOG_PACKET(i, x, a, b, c, d, e, f, g, h) pflog_packet(i,a,b,c,d,e,f,g,h)
b0d623f7	105	#else
0a7de745	106	#define PFLOG_PACKET(i, x, a, b, c, d, e, f, g, h) ((void)0)
b0d623f7 A	107	#endif /* PFLOG */
b0d623f7 A	108
0a7de745	109	__private_extern__ void pfloginit(void);
b0d623f7 A	110	#endif /* KERNEL_PRIVATE */
	111
	112	#ifdef __cplusplus
	113	}
	114	#endif
	115	#endif /* PF \|\| !KERNEL */
	116	#endif /* _NET_IF_PFLOG_H_ */