1 /* $FreeBSD$ */ 2 /* $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the project nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _NETIPSEC_KEY_H_ 36 #define _NETIPSEC_KEY_H_ 37 38 #ifdef _KERNEL 39 40 struct secpolicy; 41 struct secpolicyindex; 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 struct secpolicy *key_newsp(void); 51 struct secpolicy *key_allocsp(struct secpolicyindex *, u_int); 52 struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *); 53 int key_sp2msg(struct secpolicy *, void *, size_t *); 54 void key_addref(struct secpolicy *); 55 void key_freesp(struct secpolicy **); 56 int key_spdacquire(struct secpolicy *); 57 int key_havesp(u_int); 58 void key_bumpspgen(void); 59 uint32_t key_getspgen(void); 60 uint32_t key_newreqid(void); 61 62 struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t); 63 struct secasvar *key_allocsa_tunnel(union sockaddr_union *, 64 union sockaddr_union *, uint8_t); 65 struct secasvar *key_allocsa_policy(struct secpolicy *, 66 const struct secasindex *, int *); 67 struct secasvar *key_allocsa_tcpmd5(struct secasindex *); 68 void key_freesav(struct secasvar **); 69 70 int key_sockaddrcmp(const struct sockaddr *, const struct sockaddr *, int); 71 int key_sockaddrcmp_withmask(const struct sockaddr *, const struct sockaddr *, 72 size_t); 73 74 int key_register_ifnet(struct secpolicy **, u_int); 75 void key_unregister_ifnet(struct secpolicy **, u_int); 76 77 extern u_long key_random(void); 78 extern void key_randomfill(void *, size_t); 79 extern void key_freereg(struct socket *); 80 extern int key_parse(struct mbuf *, struct socket *); 81 extern void key_init(void); 82 #ifdef VIMAGE 83 extern void key_destroy(void); 84 #endif 85 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *); 86 uint16_t key_portfromsaddr(struct sockaddr *); 87 void key_porttosaddr(struct sockaddr *, uint16_t port); 88 89 #ifdef MALLOC_DECLARE 90 MALLOC_DECLARE(M_IPSEC_SA); 91 MALLOC_DECLARE(M_IPSEC_SAH); 92 MALLOC_DECLARE(M_IPSEC_SP); 93 MALLOC_DECLARE(M_IPSEC_SR); 94 MALLOC_DECLARE(M_IPSEC_MISC); 95 MALLOC_DECLARE(M_IPSEC_SAQ); 96 MALLOC_DECLARE(M_IPSEC_SAR); 97 MALLOC_DECLARE(M_IPSEC_INPCB); 98 #endif /* MALLOC_DECLARE */ 99 100 #endif /* defined(_KERNEL) */ 101 #endif /* _NETIPSEC_KEY_H_ */ 102