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;
42
43struct secpolicy;
44struct secpolicyindex;
45struct ipsecrequest;
46struct secasvar;
47struct sockaddr;
48struct socket;
49struct sadb_msg;
50struct sadb_x_policy;
51struct secasindex;
52struct secashead;
53struct sadb_key;
54struct sadb_lifetime;
55
56extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
57extern struct secasvar *key_allocsa_policy(struct secasindex *);
58extern struct secpolicy *key_gettunnel(struct sockaddr *,
59	struct sockaddr *, struct sockaddr *, struct sockaddr *);
60extern int key_checkrequest(struct ipsecrequest *isr, struct secasindex *,
61	struct secasvar **sav);
62extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t,
63					u_int, u_int32_t);
64extern u_int16_t key_natt_get_translated_port(struct secasvar *);
65extern void key_freesp(struct secpolicy *, int);
66extern void key_freeso(struct socket *);
67extern void key_freesav(struct secasvar *, int);
68extern struct secpolicy *key_newsp(void);
69extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
70extern struct mbuf *key_sp2msg(struct secpolicy *);
71extern int key_ismyaddr(struct sockaddr *);
72extern int key_spdacquire(struct secpolicy *);
73extern void key_timehandler(void);
74extern u_int32_t key_random(void);
75extern void key_randomfill(void *, size_t);
76extern void key_freereg(struct socket *);
77extern int key_parse(struct mbuf *, struct socket *);
78extern int key_checktunnelsanity(struct secasvar *, u_int, caddr_t, caddr_t);
79extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
80extern void key_sa_routechange(struct sockaddr *);
81extern void key_sa_chgstate(struct secasvar *, u_int8_t);
82extern void key_sa_stir_iv(struct secasvar *);
83extern void key_delsah(struct secashead *sah);
84extern struct secashead *key_newsah2 (struct secasindex *saidx, u_int8_t dir);
85extern u_int32_t key_getspi2(struct sockaddr      *src,
86			     struct sockaddr      *dst,
87			     u_int8_t              proto,
88			     u_int8_t              mode,
89			     u_int32_t             reqid,
90			     struct sadb_spirange *spirange);
91extern struct secasvar * key_newsav2(struct secashead     *sah,
92				     u_int8_t              satype,
93				     u_int8_t              alg_auth,
94				     u_int8_t              alg_enc,
95				     u_int32_t             flags,
96				     u_int8_t              replay,
97				     struct sadb_key      *key_auth,
98				     u_int16_t             key_auth_len,
99				     struct sadb_key      *key_enc,
100				     u_int16_t             key_enc_len,
101				     u_int16_t             natt_port,
102				     u_int32_t             seq,
103				     u_int32_t             spi,
104				     u_int32_t             pid,
105				     struct sadb_lifetime *lifetime_hard,
106				     struct sadb_lifetime *lifetime_soft);
107extern void key_delsav(struct secasvar *sav);
108extern struct secpolicy *key_getspbyid(u_int32_t);
109extern void key_delsp_for_ipsec_if(ifnet_t ipsec_if);
110
111
112#endif /* BSD_KERNEL_PRIVATE */
113#endif /* _NETKEY_KEY_H_ */
114