key.h revision 1.7
1 /* $NetBSD: key.h,v 1.7 2007/06/27 20:38:33 degroote 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 #include "opt_ipsec.h" 40 41 struct secpolicy; 42 struct secpolicyindex; 43 struct ipsecrequest; 44 struct secasvar; 45 struct sockaddr; 46 struct socket; 47 struct sadb_msg; 48 struct sadb_x_policy; 49 struct secasindex; 50 union sockaddr_union; 51 52 extern int key_havesp(u_int dir); 53 extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int, 54 const char*, int); 55 extern struct secpolicy *key_allocsp2(u_int32_t spi, union sockaddr_union *dst, 56 u_int8_t proto, u_int dir, const char*, int); 57 extern struct secpolicy *key_newsp(const char*, int); 58 extern struct secpolicy *key_gettunnel(const struct sockaddr *, 59 const struct sockaddr *, const struct sockaddr *, 60 const struct sockaddr *, const char*, int); 61 /* NB: prepend with _ for KAME IPv6 compatbility */ 62 extern void _key_freesp(struct secpolicy **, const char*, int); 63 64 /* 65 * Access to the SADB are interlocked with splsoftnet. In particular, 66 * holders of SA's use this to block accesses by protocol processing 67 * that can happen either by network swi's or by continuations that 68 * occur on crypto callbacks. Much of this could go away if 69 * key_checkrequest were redone. 70 */ 71 #define KEY_ALLOCSP(spidx, dir) \ 72 key_allocsp(spidx, dir, __FILE__, __LINE__) 73 #define KEY_ALLOCSP2(spi, dst, proto, dir) \ 74 key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__) 75 #define KEY_NEWSP() \ 76 key_newsp(__FILE__, __LINE__) 77 #define KEY_GETTUNNEL(osrc, odst, isrc, idst) \ 78 key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__) 79 #define KEY_FREESP(spp) \ 80 _key_freesp(spp, __FILE__, __LINE__) 81 82 extern struct secasvar *key_allocsa(const union sockaddr_union *, 83 u_int, u_int32_t, u_int16_t, u_int16_t, const char*, int); 84 extern void key_freesav(struct secasvar **, const char*, int); 85 86 #define KEY_ALLOCSA(dst, proto, spi, sport, dport) \ 87 key_allocsa(dst, proto, spi, sport, dport, __FILE__, __LINE__) 88 #define KEY_FREESAV(psav) \ 89 key_freesav(psav, __FILE__, __LINE__) 90 91 extern void key_freeso __P((struct socket *)); 92 extern int key_checktunnelsanity __P((struct secasvar *, u_int, 93 void *, void *)); 94 extern int key_checkrequest 95 __P((struct ipsecrequest *isr, const struct secasindex *)); 96 97 extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *, 98 size_t, int *)); 99 extern struct mbuf *key_sp2msg __P((struct secpolicy *)); 100 extern int key_ismyaddr __P((struct sockaddr *)); 101 extern int key_cmpspidx_exactly 102 __P((struct secpolicyindex *, struct secpolicyindex *)); 103 extern int key_cmpspidx_withmask 104 __P((struct secpolicyindex *, struct secpolicyindex *)); 105 extern int key_spdacquire __P((struct secpolicy *)); 106 extern void key_timehandler __P((void*)); 107 extern u_long key_random __P((void)); 108 extern void key_randomfill __P((void *, size_t)); 109 extern void key_freereg __P((struct socket *)); 110 extern int key_parse __P((struct mbuf *, struct socket *)); 111 extern void key_init __P((void)); 112 extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *)); 113 extern void key_sa_routechange __P((struct sockaddr *)); 114 extern void key_sa_stir_iv __P((struct secasvar *)); 115 116 #ifdef IPSEC_NAT_T 117 u_int16_t key_portfromsaddr __P((const union sockaddr_union *)); 118 #endif 119 120 121 122 #ifdef MALLOC_DECLARE 123 MALLOC_DECLARE(M_SECA); 124 #endif /* MALLOC_DECLARE */ 125 126 #endif /* defined(_KERNEL) */ 127 #endif /* !_NETIPSEC_KEY_H_ */ 128
Indexes created Tue Sep 23 14:10:03 GMT 2025