1/* $NetBSD: libpfkey.h,v 1.12.4.1 2007/08/01 11:52:18 vanhu Exp $ */ 2 3/* Id: libpfkey.h,v 1.13 2005/12/04 20:26:43 manubsd 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#ifndef _LIBPFKEY_H 35#define _LIBPFKEY_H 36 37#ifndef KAME_LIBPFKEY_H 38#define KAME_LIBPFKEY_H 39 40#define PRIORITY_LOW 0xC0000000 41#define PRIORITY_DEFAULT 0x80000000 42#define PRIORITY_HIGH 0x40000000 43 44#define PRIORITY_OFFSET_POSITIVE_MAX 0x3fffffff 45#define PRIORITY_OFFSET_NEGATIVE_MAX 0x40000000 46 47struct sadb_msg; 48extern void pfkey_sadump __P((struct sadb_msg *)); 49extern void pfkey_sadump_withports __P((struct sadb_msg *)); 50extern void pfkey_spdump __P((struct sadb_msg *)); 51extern void pfkey_spdump_withports __P((struct sadb_msg *)); 52 53struct sockaddr; 54struct sadb_alg; 55 56/* Accomodate different prototypes in <netinet6/ipsec.h> */ 57#include <sys/types.h> 58#include PATH_IPSEC_H 59 60#ifndef HAVE_IPSEC_POLICY_T 61typedef caddr_t ipsec_policy_t; 62#define __ipsec_const 63#else 64#define __ipsec_const const 65#endif 66 67struct pfkey_send_sa_args { 68 int so; /* socket */ 69 u_int type; 70 u_int satype; 71 u_int mode; 72 struct sockaddr *src; /* IP src address for SA */ 73 struct sockaddr *dst; /* IP dst address for SA */ 74 u_int32_t spi; /* SA's spi */ 75 u_int32_t reqid; 76 u_int wsize; 77 caddr_t keymat; 78 u_int e_type, e_keylen; /* Encryption alg and keylen */ 79 u_int a_type, a_keylen; /* Authentication alg and key */ 80 u_int flags; 81 u_int32_t l_alloc; 82 u_int32_t l_bytes; 83 u_int32_t l_addtime; 84 u_int32_t l_usetime; 85 u_int32_t seq; 86 u_int8_t l_natt_type; 87 u_int16_t l_natt_sport, l_natt_dport; 88 struct sockaddr *l_natt_oa; 89 u_int16_t l_natt_frag; 90 u_int8_t ctxdoi, ctxalg; /* Security context DOI and algorithm */ 91 caddr_t ctxstr; /* Security context string */ 92 u_int16_t ctxstrlen; /* length of security context string */ 93}; 94 95/* The options built into libipsec */ 96extern int libipsec_opt; 97#define LIBIPSEC_OPT_NATT 0x01 98#define LIBIPSEC_OPT_FRAG 0x02 99#define LIBIPSEC_OPT_SEC_CTX 0x04 100 101/* IPsec Library Routines */ 102 103int ipsec_check_keylen __P((u_int, u_int, u_int)); 104int ipsec_check_keylen2 __P((u_int, u_int, u_int)); 105int ipsec_get_keylen __P((u_int, u_int, struct sadb_alg *)); 106char *ipsec_dump_policy_withports __P((void *, const char *)); 107void ipsec_hexdump __P((const void *, int)); 108const char *ipsec_strerror __P((void)); 109void kdebug_sadb __P((struct sadb_msg *)); 110ipsec_policy_t ipsec_set_policy __P((__ipsec_const char *, int)); 111int ipsec_get_policylen __P((ipsec_policy_t)); 112char *ipsec_dump_policy __P((ipsec_policy_t, __ipsec_const char *)); 113 114/* PFKey Routines */ 115 116u_int pfkey_set_softrate __P((u_int, u_int)); 117u_int pfkey_get_softrate __P((u_int)); 118int pfkey_send_getspi __P((int, u_int, u_int, struct sockaddr *, 119 struct sockaddr *, u_int32_t, u_int32_t, u_int32_t, u_int32_t)); 120int pfkey_send_update2 __P((struct pfkey_send_sa_args *)); 121int pfkey_send_add2 __P((struct pfkey_send_sa_args *)); 122int pfkey_send_delete __P((int, u_int, u_int, 123 struct sockaddr *, struct sockaddr *, u_int32_t)); 124int pfkey_send_delete_all __P((int, u_int, u_int, 125 struct sockaddr *, struct sockaddr *)); 126int pfkey_send_get __P((int, u_int, u_int, 127 struct sockaddr *, struct sockaddr *, u_int32_t)); 128int pfkey_send_register __P((int, u_int)); 129int pfkey_recv_register __P((int)); 130int pfkey_set_supported __P((struct sadb_msg *, int)); 131int pfkey_send_flush __P((int, u_int)); 132int pfkey_send_dump __P((int, u_int)); 133int pfkey_send_promisc_toggle __P((int, int)); 134int pfkey_send_spdadd __P((int, struct sockaddr *, u_int, 135 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); 136int pfkey_send_spdadd2 __P((int, struct sockaddr *, u_int, 137 struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t, 138 caddr_t, int, u_int32_t)); 139int pfkey_send_spdupdate __P((int, struct sockaddr *, u_int, 140 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); 141int pfkey_send_spdupdate2 __P((int, struct sockaddr *, u_int, 142 struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t, 143 caddr_t, int, u_int32_t)); 144int pfkey_send_spddelete __P((int, struct sockaddr *, u_int, 145 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); 146int pfkey_send_spddelete2 __P((int, u_int32_t)); 147int pfkey_send_spdget __P((int, u_int32_t)); 148int pfkey_send_spdsetidx __P((int, struct sockaddr *, u_int, 149 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); 150int pfkey_send_spdflush __P((int)); 151int pfkey_send_spddump __P((int)); 152#ifdef SADB_X_MIGRATE 153int pfkey_send_migrate __P((int, struct sockaddr *, u_int, 154 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); 155#endif 156 157int pfkey_open __P((void)); 158void pfkey_close __P((int)); 159struct sadb_msg *pfkey_recv __P((int)); 160int pfkey_send __P((int, struct sadb_msg *, int)); 161int pfkey_align __P((struct sadb_msg *, caddr_t *)); 162int pfkey_check __P((caddr_t *)); 163 164/* 165 * Deprecated, available for backward compatibility with third party 166 * libipsec users. Please use pfkey_send_update2 and pfkey_send_add2 instead 167 */ 168int pfkey_send_update __P((int, u_int, u_int, struct sockaddr *, 169 struct sockaddr *, u_int32_t, u_int32_t, u_int, 170 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 171 u_int64_t, u_int64_t, u_int32_t)); 172int pfkey_send_update_nat __P((int, u_int, u_int, struct sockaddr *, 173 struct sockaddr *, u_int32_t, u_int32_t, u_int, 174 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 175 u_int64_t, u_int64_t, u_int32_t, 176 u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t)); 177int pfkey_send_add __P((int, u_int, u_int, struct sockaddr *, 178 struct sockaddr *, u_int32_t, u_int32_t, u_int, 179 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 180 u_int64_t, u_int64_t, u_int32_t)); 181int pfkey_send_add_nat __P((int, u_int, u_int, struct sockaddr *, 182 struct sockaddr *, u_int32_t, u_int32_t, u_int, 183 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 184 u_int64_t, u_int64_t, u_int32_t, 185 u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t)); 186 187#ifndef __SYSDEP_SA_LEN__ 188#define __SYSDEP_SA_LEN__ 189#include <netinet/in.h> 190 191#ifndef IPPROTO_IPV4 192#define IPPROTO_IPV4 IPPROTO_IPIP 193#endif 194 195#ifndef IPPROTO_IPCOMP 196#define IPPROTO_IPCOMP IPPROTO_COMP 197#endif 198 199static __inline u_int8_t 200sysdep_sa_len (const struct sockaddr *sa) 201{ 202#ifdef __linux__ 203 switch (sa->sa_family) 204 { 205 case AF_INET: 206 return sizeof (struct sockaddr_in); 207 case AF_INET6: 208 return sizeof (struct sockaddr_in6); 209 } 210 // log_print ("sysdep_sa_len: unknown sa family %d", sa->sa_family); 211 return sizeof (struct sockaddr_in); 212#else 213 return sa->sa_len; 214#endif 215} 216#endif 217 218#endif /* KAME_LIBPFKEY_H */ 219 220#endif /* _LIBPFKEY_H */ 221