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 38 struct secpolicy; 39 struct secpolicyindex; 40 struct ipsecrequest; 41 struct secasvar; 42 struct sockaddr; 43 struct socket; 44 struct sadb_msg; 45 struct sadb_x_policy; 46 struct secasindex; 47 union sockaddr_union; 48 49 extern int key_havesp(u_int dir); 50 extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int, 51 const char*, int); 52 extern struct secpolicy *key_allocsp2(u_int32_t spi, union sockaddr_union *dst, 53 u_int8_t proto, u_int dir, const char*, int); 54 extern struct secpolicy *key_newsp(const char*, int); 55 extern struct secpolicy *key_gettunnel(const struct sockaddr *, 56 const struct sockaddr *, const struct sockaddr *, 57 const struct sockaddr *, const char*, int); 58 /* NB: prepend with _ for KAME IPv6 compatbility */ 59 extern void _key_freesp(struct secpolicy **, const char*, int); 60 61 #define KEY_ALLOCSP(spidx, dir) \ 62 key_allocsp(spidx, dir, __FILE__, __LINE__) 63 #define KEY_ALLOCSP2(spi, dst, proto, dir) \ 64 key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__) 65 #define KEY_NEWSP() \ 66 key_newsp(__FILE__, __LINE__) 67 #define KEY_GETTUNNEL(osrc, odst, isrc, idst) \ 68 key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__) 69 #define KEY_FREESP(spp) \ 70 _key_freesp(spp, __FILE__, __LINE__) 71 72 extern struct secasvar *key_allocsa(union sockaddr_union *, u_int, u_int32_t, 73 const char*, int); 74 extern void key_freesav(struct secasvar **, const char*, int); 75 76 #define KEY_ALLOCSA(dst, proto, spi) \ 77 key_allocsa(dst, proto, spi, __FILE__, __LINE__) 78 #define KEY_FREESAV(psav) \ 79 key_freesav(psav, __FILE__, __LINE__) 80 81 extern void key_freeso __P((struct socket *)); 82 extern int key_checktunnelsanity __P((struct secasvar *, u_int, 83 caddr_t, caddr_t)); 84 extern int key_checkrequest 85 __P((struct ipsecrequest *isr, const struct secasindex *)); 86 87 extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *, 88 size_t, int *)); 89 extern struct mbuf *key_sp2msg __P((struct secpolicy *)); 90 extern int key_ismyaddr __P((struct sockaddr *)); 91 extern int key_spdacquire __P((struct secpolicy *)); 92 extern void key_timehandler __P((void)); 93 extern u_long key_random __P((void)); 94 extern void key_randomfill __P((void *, size_t)); 95 extern void key_freereg __P((struct socket *)); 96 extern int key_parse __P((struct mbuf *, struct socket *)); 97 extern void key_init __P((void)); 98 extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *)); 99 extern void key_sa_routechange __P((struct sockaddr *)); 100 extern void key_sa_stir_iv __P((struct secasvar *)); 101 102 #ifdef MALLOC_DECLARE 103 MALLOC_DECLARE(M_IPSEC_SA); 104 MALLOC_DECLARE(M_IPSEC_SAH); 105 MALLOC_DECLARE(M_IPSEC_SP); 106 MALLOC_DECLARE(M_IPSEC_SR); 107 MALLOC_DECLARE(M_IPSEC_MISC); 108 MALLOC_DECLARE(M_IPSEC_SAQ); 109 MALLOC_DECLARE(M_IPSEC_SAR); 110 MALLOC_DECLARE(M_IPSEC_INPCB); 111 #endif /* MALLOC_DECLARE */ 112 113 #endif /* defined(_KERNEL) */ 114 #endif /* _NETIPSEC_KEY_H_ */ 115