FreeBSD/Linux Kernel Cross Reference
sys/netipsec/key.h
1 /* $FreeBSD: releng/11.0/sys/netipsec/key.h 298535 2016-04-24 09:02:17Z ae $ */
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 #if 0
57 extern struct secpolicy *key_gettunnel(const struct sockaddr *,
58 const struct sockaddr *, const struct sockaddr *,
59 const struct sockaddr *, const char*, int);
60 #endif
61 /* NB: prepend with _ for KAME IPv6 compatbility */
62 extern void _key_freesp(struct secpolicy **, const char*, int);
63
64 #define KEY_ALLOCSP(spidx, dir) \
65 key_allocsp(spidx, dir, __FILE__, __LINE__)
66 #define KEY_ALLOCSP2(spi, dst, proto, dir) \
67 key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__)
68 #define KEY_NEWSP() \
69 key_newsp(__FILE__, __LINE__)
70 #if 0
71 #define KEY_GETTUNNEL(osrc, odst, isrc, idst) \
72 key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__)
73 #endif
74 #define KEY_FREESP(spp) \
75 _key_freesp(spp, __FILE__, __LINE__)
76
77 extern struct secasvar *key_allocsa(union sockaddr_union *, u_int, u_int32_t,
78 const char*, int);
79 extern struct secasvar *key_allocsa_tunnel(union sockaddr_union *,
80 union sockaddr_union *, u_int, const char*, int);
81 extern void key_addrefsa(struct secasvar *, const char*, int);
82 extern void key_freesav(struct secasvar **, const char*, int);
83
84 #define KEY_ALLOCSA(dst, proto, spi) \
85 key_allocsa(dst, proto, spi, __FILE__, __LINE__)
86 #define KEY_ALLOCSA_TUNNEL(src, dst, proto) \
87 key_allocsa_tunnel(src, dst, proto, __FILE__, __LINE__)
88 #define KEY_ADDREFSA(sav) \
89 key_addrefsa(sav, __FILE__, __LINE__)
90 #define KEY_FREESAV(psav) \
91 key_freesav(psav, __FILE__, __LINE__)
92
93 extern void key_freeso(struct socket *);
94 extern int key_checktunnelsanity(struct secasvar *, u_int,
95 caddr_t, caddr_t);
96 extern int key_checkrequest(struct ipsecrequest *isr,
97 const struct secasindex *);
98 extern struct secpolicy *key_msg2sp(struct sadb_x_policy *,
99 size_t, int *);
100 extern struct mbuf *key_sp2msg(struct secpolicy *);
101 extern int key_ismyaddr(struct sockaddr *);
102 extern int key_spdacquire(struct secpolicy *);
103 extern u_long key_random(void);
104 extern void key_randomfill(void *, size_t);
105 extern void key_freereg(struct socket *);
106 extern int key_parse(struct mbuf *, struct socket *);
107 extern void key_init(void);
108 #ifdef VIMAGE
109 extern void key_destroy(void);
110 #endif
111 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
112 #ifdef IPSEC_NAT_T
113 u_int16_t key_portfromsaddr(struct sockaddr *);
114 #define KEY_PORTFROMSADDR(saddr) \
115 key_portfromsaddr((struct sockaddr *)(saddr))
116 #endif
117
118 #ifdef MALLOC_DECLARE
119 MALLOC_DECLARE(M_IPSEC_SA);
120 MALLOC_DECLARE(M_IPSEC_SAH);
121 MALLOC_DECLARE(M_IPSEC_SP);
122 MALLOC_DECLARE(M_IPSEC_SR);
123 MALLOC_DECLARE(M_IPSEC_MISC);
124 MALLOC_DECLARE(M_IPSEC_SAQ);
125 MALLOC_DECLARE(M_IPSEC_SAR);
126 MALLOC_DECLARE(M_IPSEC_INPCB);
127 #endif /* MALLOC_DECLARE */
128
129 #endif /* defined(_KERNEL) */
130 #endif /* _NETIPSEC_KEY_H_ */
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