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
41extern struct key_cb key_cb;
42extern lck_mtx_t sadb_mutex_data;
43#define sadb_mutex (&sadb_mutex_data)
44
45struct secpolicy;
46struct secpolicyindex;
47struct ipsecrequest;
48struct secasvar;
49struct sockaddr;
50struct socket;
51struct sadb_msg;
52struct sadb_x_policy;
53struct secasindex;
54struct secashead;
55struct sadb_key;
56struct sadb_lifetime;
57
58extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
59extern struct secasvar *key_allocsa_policy(struct secasindex *);
60extern struct secpolicy *key_gettunnel(struct sockaddr *,
61 struct sockaddr *, struct sockaddr *, struct sockaddr *);
62extern struct secasvar *key_alloc_outbound_sav_for_interface(ifnet_t interface, int family,
63 struct sockaddr *src,
64 struct sockaddr *dst);
65extern int key_checkrequest(struct ipsecrequest *isr, struct secasindex *,
66 struct secasvar **sav);
67extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t,
68 uint32_t, u_int, u_int32_t);
69struct secasvar *
70key_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);
72extern 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);
73extern u_int16_t key_natt_get_translated_port(struct secasvar *);
74extern void key_freesp(struct secpolicy *, int);
75extern void key_freesav(struct secasvar *, int);
76extern struct secpolicy *key_newsp(void);
77extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
78extern struct mbuf *key_sp2msg(struct secpolicy *);
79extern int key_ismyaddr(struct sockaddr *);
80extern int key_spdacquire(struct secpolicy *);
81extern void key_timehandler(void);
82extern u_int32_t key_random(void);
83extern void key_randomfill(void *, size_t);
84extern void key_freereg(struct socket *);
85extern int key_parse(struct mbuf *, struct socket *);
86extern int key_checktunnelsanity(struct secasvar *, u_int, caddr_t, caddr_t);
87extern void key_sa_recordxfer(struct secasvar *, size_t);
88extern void key_sa_routechange(struct sockaddr *);
89extern void key_sa_chgstate(struct secasvar *, u_int8_t);
90extern void key_sa_stir_iv(struct secasvar *);
91extern void key_delsah(struct secashead *sah);
92extern struct secashead *key_newsah2(struct secasindex *saidx, u_int8_t dir);
93extern void key_delsav(struct secasvar *sav);
94extern struct secpolicy *key_getspbyid(u_int32_t);
95extern void key_delsp_for_ipsec_if(ifnet_t ipsec_if);
96
97struct ifnet;
98struct ifnet_keepalive_offload_frame;
99extern 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
102extern bool key_custom_ipsec_token_is_valid(void *);
103extern int key_reserve_custom_ipsec(void **, union sockaddr_in_4_6 *, union sockaddr_in_4_6 *, u_int8_t proto);
104extern void key_release_custom_ipsec(void **);
105
106#endif /* BSD_KERNEL_PRIVATE */
107#endif /* _NETKEY_KEY_H_ */
108