crypto/dist/ipsec-tools/src/racoon/sockmisc.h

   1 /*      $NetBSD: sockmisc.h,v 1.10 2009/05/18 17:40:38 tteras Exp $     */
   2
   3 /* Id: sockmisc.h,v 1.9 2005/10/05 16:55:41 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 _SOCKMISC_H
  35 #define _SOCKMISC_H
  36
  37 #ifndef IP_IPSEC_POLICY
  38 #define IP_IPSEC_POLICY 16      /* XXX: from linux/in.h */
  39 #endif
  40
  41 #ifndef IPV6_IPSEC_POLICY
  42 #define IPV6_IPSEC_POLICY 34    /* XXX: from linux/???.h per
  43                                    "Tom Lendacky" <toml@us.ibm.com> */
  44 #endif
  45
  46 union sockaddr_any {
  47         struct sockaddr sa;
  48         struct sockaddr_in sin;
  49         struct sockaddr_in6 sin6;
  50 };
  51
  52 struct netaddr {
  53         union sockaddr_any sa;
  54         unsigned long prefix;
  55 };
  56
  57 extern const int niflags;
  58
  59 #define CMPSADDR_MATCH          0
  60 #define CMPSADDR_WOP_MATCH      1
  61 #define CMPSADDR_MISMATCH       2
  62
  63 extern int cmpsaddr __P((const struct sockaddr *, const struct sockaddr *));
  64
  65 extern struct sockaddr *getlocaladdr __P((struct sockaddr *));
  66
  67 extern int recvfromto __P((int, void *, size_t, int,
  68         struct sockaddr *, socklen_t *, struct sockaddr *, unsigned int *));
  69 extern int sendfromto __P((int, const void *, size_t,
  70         struct sockaddr *, struct sockaddr *, int));
  71
  72 extern int setsockopt_bypass __P((int, int));
  73
  74 extern struct sockaddr *newsaddr __P((int));
  75 extern struct sockaddr *dupsaddr __P((struct sockaddr *));
  76 extern char *saddr2str __P((const struct sockaddr *));
  77 extern char *saddrwop2str __P((const struct sockaddr *));
  78 extern char *saddr2str_fromto __P((const char *format,
  79                                    const struct sockaddr *saddr,
  80                                    const struct sockaddr *daddr));
  81 extern struct sockaddr *str2saddr __P((char *, char *));
  82 extern void mask_sockaddr __P((struct sockaddr *, const struct sockaddr *,
  83         size_t));
  84
  85 /* struct netaddr functions */
  86 extern char *naddrwop2str __P((const struct netaddr *naddr));
  87 extern char *naddrwop2str_fromto __P((const char *format, const struct netaddr *saddr,
  88                                       const struct netaddr *daddr));
  89 extern int naddr_score(const struct netaddr *naddr, const struct sockaddr *saddr);
  90
  91 /* Some usefull functions for sockaddr port manipulations. */
  92 extern u_int16_t extract_port __P((const struct sockaddr *addr));
  93 extern u_int16_t *set_port __P((struct sockaddr *addr, u_int16_t new_port));
  94 extern u_int16_t *get_port_ptr __P((struct sockaddr *addr));
  95
  96 #endif /* _SOCKMISC_H */