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 */ 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 34#ifndef _ISAKMP_FRAG_H 35#define _ISAKMP_FRAG_H 36 37#include "racoon_types.h" 38 39/* These are the values from parsing "remote {}" 40 block of the config file. */ 41#define ISAKMP_FRAG_OFF FALSE /* = 0 */ 42#define ISAKMP_FRAG_ON TRUE /* = 1 */ 43#define ISAKMP_FRAG_FORCE 2 44 45/* IKE fragmentation capabilities */ 46#define VENDORID_FRAG_IDENT 0x80000000 47#define VENDORID_FRAG_BASE 0x40000000 48#define VENDORID_FRAG_AGG 0x80000000 49 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 53 54struct isakmp_frag_item { 55 int frag_num; 56 int frag_last; 57 u_int16_t frag_id; 58 struct isakmp_frag_item *frag_next; 59 vchar_t *frag_packet; 60}; 61 62int isakmp_sendfrags (phase1_handle_t *, vchar_t *); 63unsigned int vendorid_frag_cap (struct isakmp_gen *); 64int isakmp_frag_extract (phase1_handle_t *, vchar_t *); 65vchar_t *isakmp_frag_reassembly (phase1_handle_t *); 66vchar_t *isakmp_frag_addcap (vchar_t *, int); 67int sendfragsfromto (int s, vchar_t *, struct sockaddr_storage *, struct sockaddr_storage *, int, u_int32_t); 68 69#endif /* _ISAKMP_FRAG_H */ 70