xref: /xnu-10002.81.5/bsd/netinet6/ipsec6.h (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1 /*	$FreeBSD: src/sys/netinet6/ipsec6.h,v 1.3.2.2 2001/07/03 11:01:54 ume Exp $	*/
2 /*	$KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 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 /*
34  * IPsec controller part.
35  */
36 
37 #ifndef _NETINET6_IPSEC6_H_
38 #define _NETINET6_IPSEC6_H_
39 #include <sys/appleapiopts.h>
40 
41 #include <net/pfkeyv2.h>
42 #include <netkey/keydb.h>
43 
44 #ifdef BSD_KERNEL_PRIVATE
45 extern struct ipsecstat ipsec6stat;
46 extern struct secpolicy ip6_def_policy;
47 extern int ip6_esp_trans_deflev;
48 extern int ip6_esp_net_deflev;
49 extern int ip6_ah_trans_deflev;
50 extern int ip6_ah_net_deflev;
51 extern int ip6_ipsec_ecn;
52 extern int ip6_esp_randpad;
53 
54 struct ip6_out_args;
55 
56 extern struct secpolicy *ipsec6_getpolicybysock(struct mbuf *, u_int8_t,
57     struct socket *, int *);
58 extern struct secpolicy *ipsec6_getpolicybyaddr(struct mbuf *, u_int8_t, int,
59     int *);
60 extern int ipsec6_getpolicybyinterface(struct mbuf *,
61     u_int8_t, int, struct ip6_out_args *, int *, struct secpolicy **);
62 
63 struct inpcb;
64 
65 extern int ipsec6_in_reject_so(struct mbuf *, struct socket *);
66 extern int ipsec6_delete_pcbpolicy(struct inpcb *);
67 extern int ipsec6_set_policy(struct inpcb *inp, int optname,
68     caddr_t request, size_t len, int priv);
69 extern int ipsec6_in_reject(struct mbuf *, struct inpcb *);
70 
71 struct tcp6cb;
72 
73 extern size_t ipsec6_hdrsiz(struct mbuf *, u_int8_t, struct inpcb *);
74 
75 struct ip6_hdr;
76 extern const char *ipsec6_logpacketstr(struct ip6_hdr *, u_int32_t);
77 
78 extern int ipsec6_interface_output(struct ipsec_output_state *, ifnet_t, u_char *, struct mbuf *);
79 extern int ipsec6_output_trans(struct ipsec_output_state *, u_char *,
80     struct mbuf *, struct secpolicy *, int, int *);
81 extern int ipsec6_output_tunnel(struct ipsec_output_state *,
82     struct secpolicy *, int);
83 extern int ipsec6_tunnel_validate(struct mbuf *, int, u_int,
84     struct secasvar *, sa_family_t *);
85 #endif /* BSD_KERNEL_PRIVATE */
86 #endif /* _NETINET6_IPSEC6_H_ */
87