key.h revision 1.4
1 /* $NetBSD: key.h,v 1.4 2005/12/10 23:44:08 elad Exp $ */ 2 /* $FreeBSD: src/sys/netipsec/key.h,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $ */ 3 /* $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 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 _NETIPSEC_KEY_H_ 35 #define _NETIPSEC_KEY_H_ 36 37 #ifdef _KERNEL 38 39 struct secpolicy; 40 struct secpolicyindex; 41 struct ipsecrequest; 42 struct secasvar; 43 struct sockaddr; 44 struct socket; 45 struct sadb_msg; 46 struct sadb_x_policy; 47 struct secasindex; 48 union sockaddr_union; 49 50 extern int key_havesp(u_int dir); 51 extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int, 52 const char*, int); 53 extern struct secpolicy *key_allocsp2(u_int32_t spi, union sockaddr_union *dst, 54 u_int8_t proto, u_int dir, const char*, int); 55 extern struct secpolicy *key_newsp(const char*, int); 56 extern struct secpolicy *key_gettunnel(const struct sockaddr *, 57 const struct sockaddr *, const struct sockaddr *, 58 const struct sockaddr *, const char*, int); 59 /* NB: prepend with _ for KAME IPv6 compatbility */ 60 extern void _key_freesp(struct secpolicy **, const char*, int); 61 62 /* 63 * Access to the SADB are interlocked with splsoftnet. In particular, 64 * holders of SA's use this to block accesses by protocol processing 65 * that can happen either by network swi's or by continuations that 66 * occur on crypto callbacks. Much of this could go away if 67 * key_checkrequest were redone. 68 */ 69 #define KEY_ALLOCSP(spidx, dir) \ 70 key_allocsp(spidx, dir, __FILE__, __LINE__) 71 #define KEY_ALLOCSP2(spi, dst, proto, dir) \ 72 key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__) 73 #define KEY_NEWSP() \ 74 key_newsp(__FILE__, __LINE__) 75 #define KEY_GETTUNNEL(osrc, odst, isrc, idst) \ 76 key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__) 77 #define KEY_FREESP(spp) \ 78 _key_freesp(spp, __FILE__, __LINE__) 79 80 extern struct secasvar *key_allocsa(union sockaddr_union *, u_int, u_int32_t, 81 const char*, int); 82 extern void key_freesav(struct secasvar **, const char*, int); 83 84 #define KEY_ALLOCSA(dst, proto, spi) \ 85 key_allocsa(dst, proto, spi, __FILE__, __LINE__) 86 #define KEY_FREESAV(psav) \ 87 key_freesav(psav, __FILE__, __LINE__) 88 89 extern void key_freeso __P((struct socket *)); 90 extern int key_checktunnelsanity __P((struct secasvar *, u_int, 91 caddr_t, caddr_t)); 92 extern int key_checkrequest 93 __P((struct ipsecrequest *isr, const struct secasindex *)); 94 95 extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *, 96 size_t, int *)); 97 extern struct mbuf *key_sp2msg __P((struct secpolicy *)); 98 extern int key_ismyaddr __P((struct sockaddr *)); 99 extern int key_cmpspidx_exactly 100 __P((struct secpolicyindex *, struct secpolicyindex *)); 101 extern int key_cmpspidx_withmask 102 __P((struct secpolicyindex *, struct secpolicyindex *)); 103 extern int key_spdacquire __P((struct secpolicy *)); 104 extern void key_timehandler __P((void*)); 105 extern u_long key_random __P((void)); 106 extern void key_randomfill __P((void *, size_t)); 107 extern void key_freereg __P((struct socket *)); 108 extern int key_parse __P((struct mbuf *, struct socket *)); 109 extern void key_init __P((void)); 110 extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *)); 111 extern void key_sa_routechange __P((struct sockaddr *)); 112 extern void key_sa_stir_iv __P((struct secasvar *)); 113 114 #ifdef MALLOC_DECLARE 115 MALLOC_DECLARE(M_SECA); 116 #endif /* MALLOC_DECLARE */ 117 118 #endif /* defined(_KERNEL) */ 119 #endif /* !_NETIPSEC_KEY_H_ */ 120
Indexes created Mon Sep 22 13:09:51 GMT 2025