ipsec-tools/Common/libpfkey.h

   1 /* $Id: libpfkey.h,v 1.8.2.4 2005/12/04 20:41:47 manubsd Exp $ */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifndef _LIBPFKEY_H
  33 #define _LIBPFKEY_H
  34
  35 #ifndef KAME_LIBPFKEY_H
  36 #define KAME_LIBPFKEY_H
  37
  38 #include "config.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
  47 struct sadb_msg;
  48 extern void pfkey_sadump __P((struct sadb_msg *));
  49 extern void pfkey_sadump_withports __P((struct sadb_msg *));
  50 extern void pfkey_spdump __P((struct sadb_msg *));
  51 extern void pfkey_spdump_withports __P((struct sadb_msg *));
  52
  53 struct sockaddr;
  54 struct sadb_alg;
  55
  56 /* Accomodate different prototypes in <netinet6/ipsec.h> */
  57 #include <sys/types.h>
  58 #ifdef HAVE_NETINET6_IPSEC
  59 #  include <netinet6/ipsec.h>
  60 #else
  61 #  include <netinet/ipsec.h>
  62 #endif
  63
  64 #ifndef HAVE_IPSEC_POLICY_T
  65 typedef caddr_t ipsec_policy_t;
  66 #define __ipsec_const
  67 #else
  68 #define __ipsec_const const
  69 #endif
  70
  71 /* IPsec Library Routines */
  72
  73 int ipsec_check_keylen __P((u_int, u_int, u_int));
  74 int ipsec_check_keylen2 __P((u_int, u_int, u_int));
  75 int ipsec_get_keylen __P((u_int, u_int, struct sadb_alg *));
  76 char *ipsec_dump_policy_withports __P((void *, const char *));
  77 void ipsec_hexdump __P((const void *, int));
  78 const char *ipsec_strerror __P((void));
  79 void kdebug_sadb __P((struct sadb_msg *));
  80 ipsec_policy_t ipsec_set_policy __P((__ipsec_const char *, int));
  81 int  ipsec_get_policylen __P((ipsec_policy_t));
  82 char *ipsec_dump_policy __P((ipsec_policy_t, __ipsec_const char *));
  83
  84 /* PFKey Routines */
  85
  86 u_int pfkey_set_softrate __P((u_int, u_int));
  87 u_int pfkey_get_softrate __P((u_int));
  88 int pfkey_send_getspi __P((int, u_int, u_int, struct sockaddr *,
  89         struct sockaddr *, u_int32_t, u_int32_t, u_int32_t, u_int32_t));
  90 #ifdef __APPLE__
  91 int pfkey_send_update __P((int, u_int, u_int, struct sockaddr *,
  92         struct sockaddr *, u_int32_t, u_int32_t, u_int,
  93         caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
  94         u_int64_t, u_int64_t, u_int32_t, u_int16_t));
  95 int pfkey_send_add __P((int, u_int, u_int, struct sockaddr *,
  96         struct sockaddr *, u_int32_t, u_int32_t, u_int,
  97         caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
  98         u_int64_t, u_int64_t, u_int32_t, u_int16_t));
  99 #else
 100 int pfkey_send_update __P((int, u_int, u_int, struct sockaddr *,
 101         struct sockaddr *, u_int32_t, u_int32_t, u_int,
 102         caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
 103         u_int64_t, u_int64_t, u_int32_t));
 104 int pfkey_send_update_nat __P((int, u_int, u_int, struct sockaddr *,
 105         struct sockaddr *, u_int32_t, u_int32_t, u_int,
 106         caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
 107         u_int64_t, u_int64_t, u_int32_t,
 108         u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t));
 109 int pfkey_send_add __P((int, u_int, u_int, struct sockaddr *,
 110         struct sockaddr *, u_int32_t, u_int32_t, u_int,
 111         caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
 112         u_int64_t, u_int64_t, u_int32_t));
 113 int pfkey_send_add_nat __P((int, u_int, u_int, struct sockaddr *,
 114         struct sockaddr *, u_int32_t, u_int32_t, u_int,
 115         caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
 116         u_int64_t, u_int64_t, u_int32_t,
 117         u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t));
 118 #endif /*__APPLE__ */
 119
 120 int pfkey_send_delete __P((int, u_int, u_int,
 121         struct sockaddr *, struct sockaddr *, u_int32_t));
 122 int pfkey_send_delete_all __P((int, u_int, u_int,
 123         struct sockaddr *, struct sockaddr *));
 124 int pfkey_send_get __P((int, u_int, u_int,
 125         struct sockaddr *, struct sockaddr *, u_int32_t));
 126 int pfkey_send_register __P((int, u_int));
 127 int pfkey_recv_register __P((int));
 128 int pfkey_set_supported __P((struct sadb_msg *, int));
 129 int pfkey_send_flush __P((int, u_int));
 130 int pfkey_send_dump __P((int, u_int));
 131 int pfkey_send_promisc_toggle __P((int, int));
 132 int pfkey_send_spdadd __P((int, struct sockaddr *, u_int,
 133         struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
 134 int pfkey_send_spdadd2 __P((int, struct sockaddr *, u_int,
 135         struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t,
 136         caddr_t, int, u_int32_t));
 137 int pfkey_send_spdupdate __P((int, struct sockaddr *, u_int,
 138         struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
 139 int pfkey_send_spdupdate2 __P((int, struct sockaddr *, u_int,
 140         struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t,
 141         caddr_t, int, u_int32_t));
 142 int pfkey_send_spddelete __P((int, struct sockaddr *, u_int,
 143         struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
 144 int pfkey_send_spddelete2 __P((int, u_int32_t));
 145 int pfkey_send_spdget __P((int, u_int32_t));
 146 int pfkey_send_spdsetidx __P((int, struct sockaddr *, u_int,
 147         struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
 148 int pfkey_send_spdflush __P((int));
 149 int pfkey_send_spddump __P((int));
 150
 151 int pfkey_open __P((void));
 152 void pfkey_close __P((int));
 153 struct sadb_msg *pfkey_recv __P((int));
 154 int pfkey_send __P((int, struct sadb_msg *, int));
 155 int pfkey_align __P((struct sadb_msg *, caddr_t *));
 156 int pfkey_check __P((caddr_t *));
 157 int pfkey_send_getsastats __P((int, u_int32_t, u_int64_t [], u_int32_t, u_int8_t, struct sastat [], u_int32_t));
 158
 159 #ifndef __SYSDEP_SA_LEN__
 160 #define __SYSDEP_SA_LEN__
 161 #include <netinet/in.h>
 162
 163 #ifndef IPPROTO_IPV4
 164 #define IPPROTO_IPV4 IPPROTO_IPIP
 165 #endif
 166
 167 #ifndef IPPROTO_IPCOMP
 168 #define IPPROTO_IPCOMP IPPROTO_COMP
 169 #endif
 170
 171 static __inline u_int8_t
 172 sysdep_sa_len (const struct sockaddr *sa)
 173 {
 174 #ifdef __linux__
 175   switch (sa->sa_family)
 176     {
 177     case AF_INET:
 178       return sizeof (struct sockaddr_in);
 179     case AF_INET6:
 180       return sizeof (struct sockaddr_in6);
 181     }
 182   // log_print ("sysdep_sa_len: unknown sa family %d", sa->sa_family);
 183   return sizeof (struct sockaddr_in);
 184 #else
 185   return sa->sa_len;
 186 #endif
 187 }
 188 #endif
 189
 190 #endif /* KAME_LIBPFKEY_H */
 191
 192 #endif /* _LIBPFKEY_H */