1 /* $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 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 secasvar; 42 struct sockaddr; 43 struct socket; 44 struct sadb_msg; 45 struct sadb_x_policy; 46 struct secasindex; 47 union sockaddr_union; 48 struct xformsw; 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 int key_havesp_any(void); 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_freereg(struct socket *); 82 extern int key_parse(struct mbuf *, struct socket *); 83 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *); 84 uint16_t key_portfromsaddr(struct sockaddr *); 85 void key_porttosaddr(struct sockaddr *, uint16_t port); 86 87 #ifdef MALLOC_DECLARE 88 MALLOC_DECLARE(M_IPSEC_SA); 89 MALLOC_DECLARE(M_IPSEC_SAH); 90 MALLOC_DECLARE(M_IPSEC_SP); 91 MALLOC_DECLARE(M_IPSEC_SR); 92 MALLOC_DECLARE(M_IPSEC_MISC); 93 MALLOC_DECLARE(M_IPSEC_SAQ); 94 MALLOC_DECLARE(M_IPSEC_SAR); 95 MALLOC_DECLARE(M_IPSEC_INPCB); 96 #endif /* MALLOC_DECLARE */ 97 98 #endif /* defined(_KERNEL) */ 99 #endif /* _NETIPSEC_KEY_H_ */ 100