lib/libc/net/rthdr.c

   1 /*      $KAME: rthdr.c,v 1.8 2001/08/20 02:32:40 itojun 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  * $FreeBSD: src/lib/libc/net/rthdr.c,v 1.2.2.1 2002/04/28 05:40:24 suz Exp $
  32  * $DragonFly: src/lib/libc/net/rthdr.c,v 1.6 2008/09/04 09:08:21 hasso Exp $
  33  */
  34
  35 #include <sys/param.h>
  36 #include <sys/types.h>
  37 #include <sys/socket.h>
  38
  39 #include <netinet/in.h>
  40 #include <netinet/ip6.h>
  41
  42 #include <string.h>
  43 #include <stdio.h>
  44
  45 /*
  46  * RFC5095 deprecated Type 0 routing header and we don't support any other
  47  * routing header type yet.
  48  */
  49 size_t
  50 inet6_rthdr_space(int type __unused, int seg __unused)
  51 {
  52         return(0); /* type not suppported */
  53 }
  54
  55 struct cmsghdr *
  56 inet6_rthdr_init(void *bp __unused, int type __unused)
  57 {
  58         return(NULL); /* type not suppported */
  59 }
  60
  61 int
  62 inet6_rthdr_add(struct cmsghdr *cmsg __unused, const struct in6_addr *addr __unused, u_int flags __unused)
  63 {
  64         return(-1); /* type not suppported */
  65 }
  66
  67 int
  68 inet6_rthdr_lasthop(struct cmsghdr *cmsg __unused, unsigned int flags __unused)
  69 {
  70         return (-1); /* type not suppported */
  71 }
  72
  73 int
  74 inet6_rthdr_reverse(const struct cmsghdr *in __unused, struct cmsghdr *out __unused)
  75 {
  76         return -1; /* type not suppported */
  77 }
  78
  79 int
  80 inet6_rthdr_segments(const struct cmsghdr *cmsg __unused)
  81 {
  82         return -1; /* type not suppported */
  83 }
  84
  85 struct in6_addr *
  86 inet6_rthdr_getaddr(struct cmsghdr *cmsg __unused, int idx __unused)
  87 {
  88         return NULL; /* type not suppported */
  89 }
  90
  91 int
  92 inet6_rthdr_getflags(const struct cmsghdr *cmsg __unused, int idx __unused)
  93 {
  94         return -1; /* type not suppported */
  95 }
  96
  97 /*
  98  * RFC3542 (2292bis) API
  99  */
 100 socklen_t
 101 inet6_rth_space(int type __unused, int segments __unused)
 102 {
 103         return (0);     /* type not suppported */
 104 }
 105
 106 void *
 107 inet6_rth_init(void *bp __unused, socklen_t bp_len __unused, int type __unused,
 108                int segments __unused)
 109 {
 110         return (NULL);  /* type not supported */
 111 }
 112
 113 int
 114 inet6_rth_add(void *bp __unused, const struct in6_addr *addr __unused)
 115 {
 116         return (-1);    /* type not supported */
 117 }
 118
 119 int
 120 inet6_rth_reverse(const void *in __unused, void *out __unused)
 121 {
 122         return (-1);    /* type not supported */
 123 }
 124
 125 int
 126 inet6_rth_segments(const void *bp __unused)
 127 {
 128         return (-1);    /* type not supported */
 129 }
 130
 131 struct in6_addr *
 132 inet6_rth_getaddr(const void *bp __unused, int idx __unused)
 133 {
 134         return (NULL);  /* type not supported */
 135 }