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 struct xformsw; 50 51 struct secpolicy *key_newsp(void); 52 struct secpolicy *key_allocsp(struct secpolicyindex *, u_int); 53 struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *); 54 int key_sp2msg(struct secpolicy *, void *, size_t *); 55 void key_addref(struct secpolicy *); 56 void key_freesp(struct secpolicy **); 57 int key_spdacquire(struct secpolicy *); 58 int key_havesp(u_int); 59 void key_bumpspgen(void); 60 uint32_t key_getspgen(void); 61 uint32_t key_newreqid(void); 62 63 struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t); 64 struct secasvar *key_allocsa_tunnel(union sockaddr_union *, 65 union sockaddr_union *, uint8_t); 66 struct secasvar *key_allocsa_policy(struct secpolicy *, 67 const struct secasindex *, int *); 68 struct secasvar *key_allocsa_tcpmd5(struct secasindex *); 69 void key_freesav(struct secasvar **); 70 71 int key_sockaddrcmp(const struct sockaddr *, const struct sockaddr *, int); 72 int key_sockaddrcmp_withmask(const struct sockaddr *, const struct sockaddr *, 73 size_t); 74 75 int key_register_ifnet(struct secpolicy **, u_int); 76 void key_unregister_ifnet(struct secpolicy **, u_int); 77 78 void key_delete_xform(const struct xformsw *); 79 80 extern u_long key_random(void); 81 extern void key_randomfill(void *, size_t); 82 extern void key_freereg(struct socket *); 83 extern int key_parse(struct mbuf *, struct socket *); 84 extern void key_init(void); 85 #ifdef VIMAGE 86 extern void key_destroy(void); 87 #endif 88 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *); 89 uint16_t key_portfromsaddr(struct sockaddr *); 90 void key_porttosaddr(struct sockaddr *, uint16_t port); 91 92 #ifdef MALLOC_DECLARE 93 MALLOC_DECLARE(M_IPSEC_SA); 94 MALLOC_DECLARE(M_IPSEC_SAH); 95 MALLOC_DECLARE(M_IPSEC_SP); 96 MALLOC_DECLARE(M_IPSEC_SR); 97 MALLOC_DECLARE(M_IPSEC_MISC); 98 MALLOC_DECLARE(M_IPSEC_SAQ); 99 MALLOC_DECLARE(M_IPSEC_SAR); 100 MALLOC_DECLARE(M_IPSEC_INPCB); 101 #endif /* MALLOC_DECLARE */ 102 103 #endif /* defined(_KERNEL) */ 104 #endif /* _NETIPSEC_KEY_H_ */ 105