1/* $FreeBSD$ */ 2/* $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $ */ 3 4/*- 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#ifndef _NETIPSEC_KEY_H_ 34#define _NETIPSEC_KEY_H_ 35 36#ifdef _KERNEL 37 38struct secpolicy; 39struct secpolicyindex; 40struct ipsecrequest; 41struct secasvar; 42struct sockaddr; 43struct socket; 44struct sadb_msg; 45struct sadb_x_policy; 46struct secasindex; 47union sockaddr_union; 48 49extern void key_addref(struct secpolicy *sp); 50extern int key_havesp(u_int dir); 51extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int, 52 const char*, int); 53extern struct secpolicy *key_allocsp2(u_int32_t spi, union sockaddr_union *dst, 54 u_int8_t proto, u_int dir, const char*, int); 55extern struct secpolicy *key_newsp(const char*, int); 56#if 0 57extern struct secpolicy *key_gettunnel(const struct sockaddr *, 58 const struct sockaddr *, const struct sockaddr *, 59 const struct sockaddr *, const char*, int); 60#endif 61/* NB: prepend with _ for KAME IPv6 compatbility */ 62extern void _key_freesp(struct secpolicy **, const char*, int); 63 64#define KEY_ALLOCSP(spidx, dir) \ 65 key_allocsp(spidx, dir, __FILE__, __LINE__) 66#define KEY_ALLOCSP2(spi, dst, proto, dir) \ 67 key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__) 68#define KEY_NEWSP() \ 69 key_newsp(__FILE__, __LINE__) 70#if 0 71#define KEY_GETTUNNEL(osrc, odst, isrc, idst) \ 72 key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__) 73#endif 74#define KEY_FREESP(spp) \ 75 _key_freesp(spp, __FILE__, __LINE__) 76 77extern struct secasvar *key_allocsa(union sockaddr_union *, u_int, u_int32_t, 78 const char*, int); 79extern void key_addrefsa(struct secasvar *, const char*, int); 80extern void key_freesav(struct secasvar **, const char*, int); 81 82#define KEY_ALLOCSA(dst, proto, spi) \ 83 key_allocsa(dst, proto, spi, __FILE__, __LINE__) 84#define KEY_ADDREFSA(sav) \ 85 key_addrefsa(sav, __FILE__, __LINE__) 86#define KEY_FREESAV(psav) \ 87 key_freesav(psav, __FILE__, __LINE__) 88 89extern void key_freeso(struct socket *); 90extern int key_checktunnelsanity(struct secasvar *, u_int, 91 caddr_t, caddr_t); 92extern int key_checkrequest(struct ipsecrequest *isr, 93 const struct secasindex *); 94extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, 95 size_t, int *); 96extern struct mbuf *key_sp2msg(struct secpolicy *); 97extern int key_ismyaddr(struct sockaddr *); 98extern int key_spdacquire(struct secpolicy *); 99extern void key_timehandler(void); 100extern u_long key_random(void); 101extern void key_randomfill(void *, size_t); 102extern void key_freereg(struct socket *); 103extern int key_parse(struct mbuf *, struct socket *); 104extern void key_init(void); 105#ifdef VIMAGE 106extern void key_destroy(void); 107#endif 108extern void key_sa_recordxfer(struct secasvar *, struct mbuf *); 109extern void key_sa_stir_iv(struct secasvar *); 110#ifdef IPSEC_NAT_T 111u_int16_t key_portfromsaddr(struct sockaddr *); 112#define KEY_PORTFROMSADDR(saddr) \ 113 key_portfromsaddr((struct sockaddr *)(saddr)) 114#endif 115 116#ifdef MALLOC_DECLARE 117MALLOC_DECLARE(M_IPSEC_SA); 118MALLOC_DECLARE(M_IPSEC_SAH); 119MALLOC_DECLARE(M_IPSEC_SP); 120MALLOC_DECLARE(M_IPSEC_SR); 121MALLOC_DECLARE(M_IPSEC_MISC); 122MALLOC_DECLARE(M_IPSEC_SAQ); 123MALLOC_DECLARE(M_IPSEC_SAR); 124MALLOC_DECLARE(M_IPSEC_INPCB); 125#endif /* MALLOC_DECLARE */ 126 127#endif /* defined(_KERNEL) */ 128#endif /* _NETIPSEC_KEY_H_ */ 129