1 /* $NetBSD: ipsec6.h,v 1.9 2007/03/04 06:03:28 christos Exp $ */ 2 /* $FreeBSD: src/sys/netipsec/ipsec6.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $ */ 3 /* $KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /* 35 * IPsec controller part. 36 */ 37 38 #ifndef _NETIPSEC_IPSEC6_H_ 39 #define _NETIPSEC_IPSEC6_H_ 40 41 #include <net/pfkeyv2.h> 42 #include <netipsec/keydb.h> 43 #ifdef __NetBSD__ 44 #include <netinet6/in6_pcb.h> 45 #endif 46 47 #ifdef _KERNEL 48 extern int ip6_esp_trans_deflev; 49 extern int ip6_esp_net_deflev; 50 extern int ip6_ah_trans_deflev; 51 extern int ip6_ah_net_deflev; 52 extern int ip6_ipsec_ecn; 53 extern int ip6_esp_randpad; 54 extern struct secpolicy ip6_def_policy; 55 56 struct inpcb; 57 struct in6pcb; 58 59 /* KAME compatibility shims */ 60 #define ipsec6_getpolicybyaddr ipsec_getpolicybyaddr 61 #define ipsec6_getpolicybysock ipsec_getpolicybysock 62 #define ipsec6stat newipsecstat 63 #define out_inval ips_out_inval 64 #define in_polvio ips_in_polvio 65 #define out_polvio ips_out_polvio 66 #define key_freesp(_x) KEY_FREESP(&_x) 67 68 int ipsec6_delete_pcbpolicy (struct in6pcb *); 69 int ipsec6_set_policy (struct in6pcb *, int, void *, size_t, int); 70 int ipsec6_get_policy (struct in6pcb *, void *, size_t, struct mbuf **); 71 struct secpolicy *ipsec6_checkpolicy (struct mbuf *, u_int, 72 u_int, int *, struct in6pcb *); 73 struct secpolicy * ipsec6_check_policy(struct mbuf *, 74 const struct socket *, int, int*,int*); 75 int ipsec6_in_reject (struct mbuf *, struct in6pcb *); 76 /* 77 * KAME ipsec6_in_reject_so(struct mbuf*, struct so) compatibility shim 78 */ 79 #define ipsec6_in_reject_so(m, _so) \ 80 ipsec6_in_reject(m, ((_so) == NULL? NULL : sotoin6pcb(_so))) 81 82 struct tcp6cb; 83 84 size_t ipsec6_hdrsiz (struct mbuf *, u_int, struct in6pcb *); 85 size_t ipsec6_hdrsiz_tcp (struct tcpcb*); 86 87 struct ip6_hdr; 88 const char *ipsec6_logpacketstr (struct ip6_hdr *, u_int32_t); 89 90 #ifdef __NetBSD__ 91 /* NetBSD protosw ctlin entrypoint */ 92 void esp6_ctlinput(int, const struct sockaddr *, void *); 93 void ah6_ctlinput(int, const struct sockaddr *, void *); 94 #endif /* __NetBSD__ */ 95 96 struct m_tag; 97 int ipsec6_common_input(struct mbuf **, int *, int); 98 int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, 99 int, int, struct m_tag *); 100 101 #ifdef __FreeBSD__ 102 /* FreeBSD protosw ctlin entrypoint */ 103 void esp6_ctlinput(int, struct sockaddr *, void *); 104 #endif /* __FreeBSD__ */ 105 106 int ipsec6_process_packet (struct mbuf*,struct ipsecrequest *); 107 #endif /*_KERNEL*/ 108 109 #endif /* !_NETIPSEC_IPSEC6_H_ */ 110