FreeBSD/Linux Kernel Cross Reference
sys/netkey/key.h
1 /* $FreeBSD: releng/6.2/sys/netkey/key.h 139823 2005-01-07 01:45:51Z imp $ */
2 /* $KAME: key.h,v 1.32 2003/09/07 05:25:20 itojun Exp $ */
3
4 /*-
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #ifndef _NETKEY_KEY_H_
34 #define _NETKEY_KEY_H_
35
36 #ifdef _KERNEL
37
38 #include <sys/queue.h>
39
40 extern struct key_cb key_cb;
41
42 extern TAILQ_HEAD(_satailq, secasvar) satailq;
43 extern TAILQ_HEAD(_sptailq, secpolicy) sptailq;
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 union sockaddr_union;
54
55 extern struct secpolicy *key_allocsp(u_int16_t, struct secpolicyindex *,
56 u_int);
57 extern struct secpolicy *key_gettunnel(struct sockaddr *,
58 struct sockaddr *, struct sockaddr *, struct sockaddr *);
59 extern int key_checkrequest
60 (struct ipsecrequest *isr, struct secasindex *);
61 extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t, u_int, u_int32_t);
62 extern void key_freesp(struct secpolicy *);
63 extern void key_freesav(struct secasvar *);
64 extern struct secpolicy *key_newsp(u_int32_t);
65 extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
66 extern struct mbuf *key_sp2msg(struct secpolicy *);
67 extern int key_cmpspidx_exactly
68 (struct secpolicyindex *, struct secpolicyindex *);
69 extern int key_cmpspidx_withmask
70 (struct secpolicyindex *, struct secpolicyindex *);
71 extern int key_spdacquire(struct secpolicy *);
72 extern void key_timehandler(void *);
73 extern void key_randomfill(void *, size_t);
74 extern void key_freereg(struct socket *);
75 extern int key_parse(struct mbuf *, struct socket *);
76 extern void key_init(void);
77 extern int key_checktunnelsanity(struct secasvar *, u_int, caddr_t, caddr_t);
78 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
79 extern void key_sa_routechange(struct sockaddr *);
80 extern void key_sa_stir_iv(struct secasvar *);
81
82 /* to keep compatibility with FAST_IPSEC */
83 #define KEY_ALLOCSA(dst, proto, spi) \
84 key_allocsa(((struct sockaddr *)(dst))->sa_family,\
85 (caddr_t)&(((struct sockaddr_in *)(dst))->sin_addr),\
86 (caddr_t)&(((struct sockaddr_in *)(dst))->sin_addr),\
87 proto, spi)
88 #define KEY_FREESAV(psav) \
89 key_freesav(*psav)
90
91 #ifdef MALLOC_DECLARE
92 MALLOC_DECLARE(M_SECA);
93 #endif /* MALLOC_DECLARE */
94
95 #endif /* defined(_KERNEL) */
96 #endif /* _NETKEY_KEY_H_ */
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