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libpfkey.h

/* $Id: libpfkey.h,v 1.7 2004/06/07 09:18:46 ludvigm 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_spdump __P((struct sadb_msg *));

struct sockaddr;
struct sadb_alg;

/* 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 __P((caddr_t policy, char *delimiter));
void ipsec_hexdump __P((caddr_t buf, int len));
int  ipsec_get_policylen __P((caddr_t policy));
caddr_t ipsec_set_policy __P((char *msg, int msglen));
const char *ipsec_strerror __P((void));
void kdebug_sadb __P((struct sadb_msg *base));


/* 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_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 *));
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 *));
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));

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 *));

#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 */

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