xref: /dragonfly/lib/libc/net/rthdr.c (revision 3659df42)
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  */
33 
34 #include <sys/param.h>
35 #include <sys/types.h>
36 #include <sys/socket.h>
37 
38 #include <netinet/in.h>
39 #include <netinet/ip6.h>
40 
41 #include <string.h>
42 #include <stdio.h>
43 
44 /*
45  * RFC5095 deprecated Type 0 routing header and we don't support any other
46  * routing header type yet.
47  */
48 size_t
inet6_rthdr_space(int type __unused,int seg __unused)49 inet6_rthdr_space(int type __unused, int seg __unused)
50 {
51 	return(0); /* type not supported */
52 }
53 
54 struct cmsghdr *
inet6_rthdr_init(void * bp __unused,int type __unused)55 inet6_rthdr_init(void *bp __unused, int type __unused)
56 {
57 	return(NULL); /* type not supported */
58 }
59 
60 int
inet6_rthdr_add(struct cmsghdr * cmsg __unused,const struct in6_addr * addr __unused,u_int flags __unused)61 inet6_rthdr_add(struct cmsghdr *cmsg __unused, const struct in6_addr *addr __unused, u_int flags __unused)
62 {
63 	return(-1); /* type not supported */
64 }
65 
66 int
inet6_rthdr_lasthop(struct cmsghdr * cmsg __unused,unsigned int flags __unused)67 inet6_rthdr_lasthop(struct cmsghdr *cmsg __unused, unsigned int flags __unused)
68 {
69 	return (-1); /* type not supported */
70 }
71 
72 int
inet6_rthdr_reverse(const struct cmsghdr * in __unused,struct cmsghdr * out __unused)73 inet6_rthdr_reverse(const struct cmsghdr *in __unused, struct cmsghdr *out __unused)
74 {
75 	return -1; /* type not supported */
76 }
77 
78 int
inet6_rthdr_segments(const struct cmsghdr * cmsg __unused)79 inet6_rthdr_segments(const struct cmsghdr *cmsg __unused)
80 {
81 	return -1; /* type not supported */
82 }
83 
84 struct in6_addr *
inet6_rthdr_getaddr(struct cmsghdr * cmsg __unused,int idx __unused)85 inet6_rthdr_getaddr(struct cmsghdr *cmsg __unused, int idx __unused)
86 {
87 	return NULL; /* type not supported */
88 }
89 
90 int
inet6_rthdr_getflags(const struct cmsghdr * cmsg __unused,int idx __unused)91 inet6_rthdr_getflags(const struct cmsghdr *cmsg __unused, int idx __unused)
92 {
93 	return -1; /* type not supported */
94 }
95 
96 /*
97  * RFC3542 (2292bis) API
98  */
99 socklen_t
inet6_rth_space(int type __unused,int segments __unused)100 inet6_rth_space(int type __unused, int segments __unused)
101 {
102 	return (0);	/* type not supported */
103 }
104 
105 void *
inet6_rth_init(void * bp __unused,socklen_t bp_len __unused,int type __unused,int segments __unused)106 inet6_rth_init(void *bp __unused, socklen_t bp_len __unused, int type __unused,
107 	       int segments __unused)
108 {
109 	return (NULL);	/* type not supported */
110 }
111 
112 int
inet6_rth_add(void * bp __unused,const struct in6_addr * addr __unused)113 inet6_rth_add(void *bp __unused, const struct in6_addr *addr __unused)
114 {
115 	return (-1);	/* type not supported */
116 }
117 
118 int
inet6_rth_reverse(const void * in __unused,void * out __unused)119 inet6_rth_reverse(const void *in __unused, void *out __unused)
120 {
121 	return (-1);	/* type not supported */
122 }
123 
124 int
inet6_rth_segments(const void * bp __unused)125 inet6_rth_segments(const void *bp __unused)
126 {
127 	return (-1);	/* type not supported */
128 }
129 
130 struct in6_addr *
inet6_rth_getaddr(const void * bp __unused,int idx __unused)131 inet6_rth_getaddr(const void *bp __unused, int idx __unused)
132 {
133 	return (NULL);	/* type not supported */
134 }
135