/* $NetBSD: libpfkey.h,v 1.12.4.1 2007/08/01 11:52:18 vanhu Exp $ */
/* Id: libpfkey.h,v 1.13 2005/12/04 20:26:43 manubsd Exp */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LIBPFKEY_H
#define _LIBPFKEY_H
#ifndef KAME_LIBPFKEY_H
#define KAME_LIBPFKEY_H
#define PRIORITY_LOW 0xC0000000
#define PRIORITY_DEFAULT 0x80000000
#define PRIORITY_HIGH 0x40000000
#define PRIORITY_OFFSET_POSITIVE_MAX 0x3fffffff
#define PRIORITY_OFFSET_NEGATIVE_MAX 0x40000000
struct sadb_msg;
extern void pfkey_sadump __P((struct sadb_msg *));
extern void pfkey_sadump_withports __P((struct sadb_msg *));
extern void pfkey_spdump __P((struct sadb_msg *));
extern void pfkey_spdump_withports __P((struct sadb_msg *));
struct sockaddr;
struct sadb_alg;
/* Accomodate different prototypes in <netinet6/ipsec.h> */
#include <sys/types.h>
#include PATH_IPSEC_H
#ifndef HAVE_IPSEC_POLICY_T
typedef caddr_t ipsec_policy_t;
#define __ipsec_const
#else
#define __ipsec_const const
#endif
struct pfkey_send_sa_args {
int so; /* socket */
u_int type;
u_int satype;
u_int mode;
struct sockaddr *src; /* IP src address for SA */
struct sockaddr *dst; /* IP dst address for SA */
u_int32_t spi; /* SA's spi */
u_int32_t reqid;
u_int wsize;
caddr_t keymat;
u_int e_type, e_keylen; /* Encryption alg and keylen */
u_int a_type, a_keylen; /* Authentication alg and key */
u_int flags;
u_int32_t l_alloc;
u_int32_t l_bytes;
u_int32_t l_addtime;
u_int32_t l_usetime;
u_int32_t seq;
u_int8_t l_natt_type;
u_int16_t l_natt_sport, l_natt_dport;
struct sockaddr *l_natt_oa;
u_int16_t l_natt_frag;
u_int8_t ctxdoi, ctxalg; /* Security context DOI and algorithm */
caddr_t ctxstr; /* Security context string */
u_int16_t ctxstrlen; /* length of security context string */
};
/* The options built into libipsec */
extern int libipsec_opt;
#define LIBIPSEC_OPT_NATT 0x01
#define LIBIPSEC_OPT_FRAG 0x02
#define LIBIPSEC_OPT_SEC_CTX 0x04
/* IPsec Library Routines */
int ipsec_check_keylen __P((u_int, u_int, u_int));
int ipsec_check_keylen2 __P((u_int, u_int, u_int));
int ipsec_get_keylen __P((u_int, u_int, struct sadb_alg *));
char *ipsec_dump_policy_withports __P((void *, const char *));
void ipsec_hexdump __P((const void *, int));
const char *ipsec_strerror __P((void));
void kdebug_sadb __P((struct sadb_msg *));
ipsec_policy_t ipsec_set_policy __P((__ipsec_const char *, int));
int ipsec_get_policylen __P((ipsec_policy_t));
char *ipsec_dump_policy __P((ipsec_policy_t, __ipsec_const char *));
/* PFKey Routines */
u_int pfkey_set_softrate __P((u_int, u_int));
u_int pfkey_get_softrate __P((u_int));
int pfkey_send_getspi __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int32_t, u_int32_t));
int pfkey_send_update2 __P((struct pfkey_send_sa_args *));
int pfkey_send_add2 __P((struct pfkey_send_sa_args *));
int pfkey_send_delete __P((int, u_int, u_int,
struct sockaddr *, struct sockaddr *, u_int32_t));
int pfkey_send_delete_all __P((int, u_int, u_int,
struct sockaddr *, struct sockaddr *));
int pfkey_send_get __P((int, u_int, u_int,
struct sockaddr *, struct sockaddr *, u_int32_t));
int pfkey_send_register __P((int, u_int));
int pfkey_recv_register __P((int));
int pfkey_set_supported __P((struct sadb_msg *, int));
int pfkey_send_flush __P((int, u_int));
int pfkey_send_dump __P((int, u_int));
int pfkey_send_promisc_toggle __P((int, int));
int pfkey_send_spdadd __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spdadd2 __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t,
caddr_t, int, u_int32_t));
int pfkey_send_spdupdate __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spdupdate2 __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t,
caddr_t, int, u_int32_t));
int pfkey_send_spddelete __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spddelete2 __P((int, u_int32_t));
int pfkey_send_spdget __P((int, u_int32_t));
int pfkey_send_spdsetidx __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spdflush __P((int));
int pfkey_send_spddump __P((int));
#ifdef SADB_X_MIGRATE
int pfkey_send_migrate __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
#endif
int pfkey_open __P((void));
void pfkey_close __P((int));
struct sadb_msg *pfkey_recv __P((int));
int pfkey_send __P((int, struct sadb_msg *, int));
int pfkey_align __P((struct sadb_msg *, caddr_t *));
int pfkey_check __P((caddr_t *));
/*
* Deprecated, available for backward compatibility with third party
* libipsec users. Please use pfkey_send_update2 and pfkey_send_add2 instead
*/
int pfkey_send_update __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int,
caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
u_int64_t, u_int64_t, u_int32_t));
int pfkey_send_update_nat __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int,
caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
u_int64_t, u_int64_t, u_int32_t,
u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t));
int pfkey_send_add __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int,
caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
u_int64_t, u_int64_t, u_int32_t));
int pfkey_send_add_nat __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int,
caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
u_int64_t, u_int64_t, u_int32_t,
u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t));
#ifndef __SYSDEP_SA_LEN__
#define __SYSDEP_SA_LEN__
#include <netinet/in.h>
#ifndef IPPROTO_IPV4
#define IPPROTO_IPV4 IPPROTO_IPIP
#endif
#ifndef IPPROTO_IPCOMP
#define IPPROTO_IPCOMP IPPROTO_COMP
#endif
static __inline u_int8_t
sysdep_sa_len (const struct sockaddr *sa)
{
#ifdef __linux__
switch (sa->sa_family)
{
case AF_INET:
return sizeof (struct sockaddr_in);
case AF_INET6:
return sizeof (struct sockaddr_in6);
}
// log_print ("sysdep_sa_len: unknown sa family %d", sa->sa_family);
return sizeof (struct sockaddr_in);
#else
return sa->sa_len;
#endif
}
#endif
#endif /* KAME_LIBPFKEY_H */
#endif /* _LIBPFKEY_H */