[apple/ipsec.git] / ipsec-tools / racoon / isakmp_frag.h

/*	$NetBSD: isakmp_frag.h,v 1.5 2006/09/18 20:32:40 manu Exp $	*/

/*	Id: isakmp_frag.h,v 1.3 2005/04/09 16:25:24 manubsd Exp */

/*
 * Copyright (C) 2004 Emmanuel Dreyfus 
 * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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 _ISAKMP_FRAG_H
#define _ISAKMP_FRAG_H

#include "racoon_types.h"

/* These are the values from parsing "remote {}"
   block of the config file. */
#define ISAKMP_FRAG_OFF		FALSE   /* = 0 */
#define ISAKMP_FRAG_ON		TRUE    /* = 1 */
#define ISAKMP_FRAG_FORCE	2

/* IKE fragmentation capabilities */
#define VENDORID_FRAG_IDENT 	0x80000000
#define VENDORID_FRAG_BASE 	0x40000000
#define VENDORID_FRAG_AGG 	0x80000000

#define ISAKMP_FRAG_MAXLEN 1280 // TODO: make configurable (for now, use 1280 to make enough room for typical overhead)

#define FRAG_PUT_NON_ESP_MARKER		1

struct isakmp_frag_item {
	int	frag_num;
	int	frag_last;
	u_int16_t frag_id;
	struct isakmp_frag_item *frag_next;
	vchar_t *frag_packet;
};

int isakmp_sendfrags (phase1_handle_t *, vchar_t *);
unsigned int vendorid_frag_cap (struct isakmp_gen *);
int isakmp_frag_extract (phase1_handle_t *, vchar_t *);
vchar_t *isakmp_frag_reassembly (phase1_handle_t *);
vchar_t *isakmp_frag_addcap (vchar_t *, int);
int sendfragsfromto (int s, vchar_t *, struct sockaddr_storage *, struct sockaddr_storage *, int, u_int32_t);

#endif /* _ISAKMP_FRAG_H */
Commit	Line	Data
d1e348cf A	1	/* $NetBSD: isakmp_frag.h,v 1.5 2006/09/18 20:32:40 manu Exp $ */
	2
	3	/* Id: isakmp_frag.h,v 1.3 2005/04/09 16:25:24 manubsd Exp */
52b7d2ce A	4
	5	/*
	6	* Copyright (C) 2004 Emmanuel Dreyfus
	7	* All rights reserved.
	8	*
	9	* Redistribution and use in source and binary forms, with or without
	10	* modification, are permitted provided that the following conditions
	11	* are met:
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	* 2. Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	* 3. Neither the name of the project nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*/
	33
e8d9021d A	34	#ifndef _ISAKMP_FRAG_H
	35	#define _ISAKMP_FRAG_H
	36
65c25746 A	37	#include "racoon_types.h"
65c25746 A	38
d1e348cf A	39	/* These are the values from parsing "remote {}"
d1e348cf A	40	block of the config file. */
65ab2577	41	#define ISAKMP_FRAG_OFF FALSE /* = 0 */
d1e348cf A	42	#define ISAKMP_FRAG_ON TRUE /* = 1 */
	43	#define ISAKMP_FRAG_FORCE 2
	44
52b7d2ce	45	/* IKE fragmentation capabilities */
d1e348cf	46	#define VENDORID_FRAG_IDENT 0x80000000
52b7d2ce A	47	#define VENDORID_FRAG_BASE 0x40000000
	48	#define VENDORID_FRAG_AGG 0x80000000
	49
e8d9021d A	50	#define ISAKMP_FRAG_MAXLEN 1280 // TODO: make configurable (for now, use 1280 to make enough room for typical overhead)
	51
	52	#define FRAG_PUT_NON_ESP_MARKER 1
52b7d2ce A	53
	54	struct isakmp_frag_item {
	55	int frag_num;
	56	int frag_last;
e8d9021d	57	u_int16_t frag_id;
52b7d2ce A	58	struct isakmp_frag_item *frag_next;
	59	vchar_t *frag_packet;
	60	};
	61
65c25746 A	62	int isakmp_sendfrags (phase1_handle_t , vchar_t );
	63	unsigned int vendorid_frag_cap (struct isakmp_gen *);
	64	int isakmp_frag_extract (phase1_handle_t , vchar_t );
	65	vchar_t isakmp_frag_reassembly (phase1_handle_t );
	66	vchar_t isakmp_frag_addcap (vchar_t , int);
	67	int sendfragsfromto (int s, vchar_t , struct sockaddr_storage , struct sockaddr_storage *, int, u_int32_t);
e8d9021d A	68
e8d9021d A	69	#endif /* _ISAKMP_FRAG_H */