FreeBSD/Linux Kernel Cross Reference
sys/netipsec/key.h
1 /* $FreeBSD: src/sys/netipsec/key.h,v 1.4 2005/01/07 01:45:46 imp Exp $ */
2 /* $KAME: key.h,v 1.21 2001/07/27 03:51:30 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 _NETIPSEC_KEY_H_
34 #define _NETIPSEC_KEY_H_
35
36 #ifdef _KERNEL
37
38 struct secpolicy;
39 struct secpolicyindex;
40 struct ipsecrequest;
41 struct secasvar;
42 struct sockaddr;
43 struct socket;
44 struct sadb_msg;
45 struct sadb_x_policy;
46 struct secasindex;
47 union sockaddr_union;
48
49 extern void key_addref(struct secpolicy *sp);
50 extern int key_havesp(u_int dir);
51 extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int,
52 const char*, int);
53 extern struct secpolicy *key_allocsp2(u_int32_t spi, union sockaddr_union *dst,
54 u_int8_t proto, u_int dir, const char*, int);
55 extern struct secpolicy *key_newsp(const char*, int);
56 extern struct secpolicy *key_gettunnel(const struct sockaddr *,
57 const struct sockaddr *, const struct sockaddr *,
58 const struct sockaddr *, const char*, int);
59 /* NB: prepend with _ for KAME IPv6 compatbility */
60 extern void _key_freesp(struct secpolicy **, const char*, int);
61
62 #define KEY_ALLOCSP(spidx, dir) \
63 key_allocsp(spidx, dir, __FILE__, __LINE__)
64 #define KEY_ALLOCSP2(spi, dst, proto, dir) \
65 key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__)
66 #define KEY_NEWSP() \
67 key_newsp(__FILE__, __LINE__)
68 #define KEY_GETTUNNEL(osrc, odst, isrc, idst) \
69 key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__)
70 #define KEY_FREESP(spp) \
71 _key_freesp(spp, __FILE__, __LINE__)
72
73 extern struct secasvar *key_allocsa(union sockaddr_union *, u_int, u_int32_t,
74 const char*, int);
75 extern void key_freesav(struct secasvar **, const char*, int);
76
77 #define KEY_ALLOCSA(dst, proto, spi) \
78 key_allocsa(dst, proto, spi, __FILE__, __LINE__)
79 #define KEY_FREESAV(psav) \
80 key_freesav(psav, __FILE__, __LINE__)
81
82 extern void key_freeso __P((struct socket *));
83 extern int key_checktunnelsanity __P((struct secasvar *, u_int,
84 caddr_t, caddr_t));
85 extern int key_checkrequest
86 __P((struct ipsecrequest *isr, const struct secasindex *));
87
88 extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *,
89 size_t, int *));
90 extern struct mbuf *key_sp2msg __P((struct secpolicy *));
91 extern int key_ismyaddr __P((struct sockaddr *));
92 extern int key_spdacquire __P((struct secpolicy *));
93 extern void key_timehandler __P((void));
94 extern u_long key_random __P((void));
95 extern void key_randomfill __P((void *, size_t));
96 extern void key_freereg __P((struct socket *));
97 extern int key_parse __P((struct mbuf *, struct socket *));
98 extern void key_init __P((void));
99 extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *));
100 extern void key_sa_routechange __P((struct sockaddr *));
101 extern void key_sa_stir_iv __P((struct secasvar *));
102
103 #ifdef MALLOC_DECLARE
104 MALLOC_DECLARE(M_IPSEC_SA);
105 MALLOC_DECLARE(M_IPSEC_SAH);
106 MALLOC_DECLARE(M_IPSEC_SP);
107 MALLOC_DECLARE(M_IPSEC_SR);
108 MALLOC_DECLARE(M_IPSEC_MISC);
109 MALLOC_DECLARE(M_IPSEC_SAQ);
110 MALLOC_DECLARE(M_IPSEC_SAR);
111 MALLOC_DECLARE(M_IPSEC_INPCB);
112 #endif /* MALLOC_DECLARE */
113
114 #endif /* defined(_KERNEL) */
115 #endif /* _NETIPSEC_KEY_H_ */
116
|