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 struct secasvar *key_alloc_outbound_sav_for_interface(ifnet_t interface, int family,
61 struct sockaddr *src,
62 struct sockaddr *dst);
63extern int key_checkrequest(struct ipsecrequest *isr, struct secasindex *,
64 struct secasvar **sav);
65extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t,
66 u_int, u_int32_t);
67struct secasvar *
68key_allocsa_extended(u_int family, caddr_t src, caddr_t dst,
69 u_int proto, u_int32_t spi, ifnet_t interface);
70extern u_int16_t key_natt_get_translated_port(struct secasvar *);
71extern void key_freesp(struct secpolicy *, int);
72extern void key_freesav(struct secasvar *, int);
73extern struct secpolicy *key_newsp(void);
74extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
75extern struct mbuf *key_sp2msg(struct secpolicy *);
76extern int key_ismyaddr(struct sockaddr *);
77extern int key_spdacquire(struct secpolicy *);
78extern void key_timehandler(void);
79extern u_int32_t key_random(void);
80extern void key_randomfill(void *, size_t);
81extern void key_freereg(struct socket *);
82extern int key_parse(struct mbuf *, struct socket *);
83extern int key_checktunnelsanity(struct secasvar *, u_int, caddr_t, caddr_t);
84extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
85extern void key_sa_routechange(struct sockaddr *);
86extern void key_sa_chgstate(struct secasvar *, u_int8_t);
87extern void key_sa_stir_iv(struct secasvar *);
88extern void key_delsah(struct secashead *sah);
89extern struct secashead *key_newsah2 (struct secasindex *saidx, u_int8_t dir);
90extern u_int32_t key_getspi2(struct sockaddr *src,
91 struct sockaddr *dst,
92 u_int8_t proto,
93 u_int8_t mode,
94 u_int32_t reqid,
95 struct sadb_spirange *spirange);
96extern struct secasvar * key_newsav2(struct secashead *sah,
97 u_int8_t satype,
98 u_int8_t alg_auth,
99 u_int8_t alg_enc,
100 u_int32_t flags,
101 u_int8_t replay,
102 struct sadb_key *key_auth,
103 u_int16_t key_auth_len,
104 struct sadb_key *key_enc,
105 u_int16_t key_enc_len,
106 u_int16_t natt_port,
107 u_int32_t seq,
108 u_int32_t spi,
109 u_int32_t pid,
110 struct sadb_lifetime *lifetime_hard,
111 struct sadb_lifetime *lifetime_soft);
112extern void key_delsav(struct secasvar *sav);
113extern struct secpolicy *key_getspbyid(u_int32_t);
114extern void key_delsp_for_ipsec_if(ifnet_t ipsec_if);
115
116struct ifnet;
117struct ifnet_keepalive_offload_frame;
118extern u_int32_t key_fill_offload_frames_for_savs(struct ifnet *,
119 struct ifnet_keepalive_offload_frame *frames_array, u_int32_t, size_t);
120
121
122
123#endif /* BSD_KERNEL_PRIVATE */
124#endif /* _NETKEY_KEY_H_ */
125