1 /* $KAME: key.h,v 1.11 2000/03/25 07:24:12 sumikawa Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _NETKEY_KEY_H_ 33 #define _NETKEY_KEY_H_ 34 #include <sys/appleapiopts.h> 35 36 #ifdef BSD_KERNEL_PRIVATE 37 38 #define KEY_SADB_UNLOCKED 0 39 #define KEY_SADB_LOCKED 1 40 41 extern struct key_cb key_cb; 42 extern lck_mtx_t sadb_mutex_data; 43 #define sadb_mutex (&sadb_mutex_data) 44 45 struct secpolicy; 46 struct secpolicyindex; 47 struct ipsecrequest; 48 struct secasvar; 49 struct sockaddr; 50 struct socket; 51 struct sadb_msg; 52 struct sadb_x_policy; 53 struct secasindex; 54 struct secashead; 55 struct sadb_key; 56 struct sadb_lifetime; 57 58 extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int); 59 extern struct secasvar *key_allocsa_policy(struct secasindex *); 60 extern struct secpolicy *key_gettunnel(struct sockaddr *, 61 struct sockaddr *, struct sockaddr *, struct sockaddr *); 62 extern struct secasvar *key_alloc_outbound_sav_for_interface(ifnet_t interface, int family, 63 struct sockaddr *src, 64 struct sockaddr *dst); 65 extern int key_checkrequest(struct ipsecrequest *isr, struct secasindex *, 66 struct secasvar **sav); 67 extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t, 68 uint32_t, u_int, u_int32_t); 69 struct secasvar * 70 key_allocsa_extended(u_int family, caddr_t src, caddr_t dst, uint32_t dst_ifscope, 71 u_int proto, u_int32_t spi, ifnet_t interface); 72 extern bool key_checksa_present(u_int family, caddr_t src, caddr_t dst, u_int16_t src_port, u_int16_t dst_port, uint32_t src_ifscope, uint32_t dst_ifscope); 73 extern u_int16_t key_natt_get_translated_port(struct secasvar *); 74 extern void key_freesp(struct secpolicy *, int); 75 extern void key_freesav(struct secasvar *, int); 76 extern struct secpolicy *key_newsp(void); 77 extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *); 78 extern struct mbuf *key_sp2msg(struct secpolicy *); 79 extern int key_ismyaddr(struct sockaddr *); 80 extern int key_spdacquire(struct secpolicy *); 81 extern void key_timehandler(void); 82 extern u_int32_t key_random(void); 83 extern void key_randomfill(void *, size_t); 84 extern void key_freereg(struct socket *); 85 extern int key_parse(struct mbuf *, struct socket *); 86 extern int key_checktunnelsanity(struct secasvar *, u_int, caddr_t, caddr_t); 87 extern void key_sa_recordxfer(struct secasvar *, size_t); 88 extern void key_sa_routechange(struct sockaddr *); 89 extern void key_sa_chgstate(struct secasvar *, u_int8_t); 90 extern void key_sa_stir_iv(struct secasvar *); 91 extern void key_delsah(struct secashead *sah); 92 extern struct secashead *key_newsah2(struct secasindex *saidx, u_int8_t dir); 93 extern void key_delsav(struct secasvar *sav); 94 extern struct secpolicy *key_getspbyid(u_int32_t); 95 extern void key_delsp_for_ipsec_if(ifnet_t ipsec_if); 96 97 struct ifnet; 98 struct ifnet_keepalive_offload_frame; 99 extern u_int32_t key_fill_offload_frames_for_savs(struct ifnet *, 100 struct ifnet_keepalive_offload_frame *frames_array, u_int32_t, size_t); 101 102 extern bool key_custom_ipsec_token_is_valid(void *); 103 extern int key_reserve_custom_ipsec(void **, union sockaddr_in_4_6 *, union sockaddr_in_4_6 *, u_int8_t proto); 104 extern void key_release_custom_ipsec(void **); 105 106 #endif /* BSD_KERNEL_PRIVATE */ 107 #endif /* _NETKEY_KEY_H_ */ 108