summaryrefslogtreecommitdiffstats
path: root/lib/libc/net/rthdr.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/net/rthdr.c')
-rw-r--r--lib/libc/net/rthdr.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/lib/libc/net/rthdr.c b/lib/libc/net/rthdr.c
deleted file mode 100644
index 1f9d102..0000000
--- a/lib/libc/net/rthdr.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/ip6.h>
-
-#include <string.h>
-#include <stdio.h>
-
-size_t
-inet6_rthdr_space(type, seg)
- int type, seg;
-{
- switch(type) {
- case IPV6_RTHDR_TYPE_0:
- if (seg < 1 || seg > 23)
- return(0);
- return(CMSG_SPACE(sizeof(struct in6_addr) * (seg - 1)
- + sizeof(struct ip6_rthdr0)));
- default:
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_space: unknown type(%d)\n", type);
-#endif
- return(0);
- }
-}
-
-struct cmsghdr *
-inet6_rthdr_init(bp, type)
- void *bp;
- int type;
-{
- register struct cmsghdr *ch = (struct cmsghdr *)bp;
- register struct ip6_rthdr *rthdr;
-
- rthdr = (struct ip6_rthdr *)CMSG_DATA(ch);
-
- ch->cmsg_level = IPPROTO_IPV6;
- ch->cmsg_type = IPV6_RTHDR;
-
- switch(type) {
- case IPV6_RTHDR_TYPE_0:
- ch->cmsg_len = CMSG_LEN(sizeof(struct ip6_rthdr0) - sizeof(struct in6_addr));
- bzero(rthdr, sizeof(struct ip6_rthdr0));
- rthdr->ip6r_type = IPV6_RTHDR_TYPE_0;
- return(ch);
- default:
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_init: unknown type(%d)\n", type);
-#endif
- return(NULL);
- }
-}
-
-int
-inet6_rthdr_add(cmsg, addr, flags)
- struct cmsghdr *cmsg;
- const struct in6_addr *addr;
- u_int flags;
-{
- register struct ip6_rthdr *rthdr;
-
- rthdr = (struct ip6_rthdr *)CMSG_DATA(cmsg);
-
- switch(rthdr->ip6r_type) {
- case IPV6_RTHDR_TYPE_0:
- {
- struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)rthdr;
- if (flags != IPV6_RTHDR_LOOSE && flags != IPV6_RTHDR_STRICT) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_add: unsupported flag(%d)\n", flags);
-#endif
- return(-1);
- }
- if (rt0->ip6r0_segleft == 23) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_add: segment overflow\n");
-#endif
- return(-1);
- }
- if (flags == IPV6_RTHDR_STRICT) {
- int c, b;
- c = rt0->ip6r0_segleft / 8;
- b = rt0->ip6r0_segleft % 8;
- rt0->ip6r0_slmap[c] |= (1 << (7 - b));
- }
- rt0->ip6r0_segleft++;
- bcopy(addr, (caddr_t)rt0 + ((rt0->ip6r0_len + 1) << 3),
- sizeof(struct in6_addr));
- rt0->ip6r0_len += sizeof(struct in6_addr) >> 3;
- cmsg->cmsg_len = CMSG_LEN((rt0->ip6r0_len + 1) << 3);
- break;
- }
- default:
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_add: unknown type(%d)\n",
- rthdr->ip6r_type);
-#endif
- return(-1);
- }
-
- return(0);
-}
-
-int
-inet6_rthdr_lasthop(cmsg, flags)
- struct cmsghdr *cmsg;
- unsigned int flags;
-{
- register struct ip6_rthdr *rthdr;
-
- rthdr = (struct ip6_rthdr *)CMSG_DATA(cmsg);
-
- switch(rthdr->ip6r_type) {
- case IPV6_RTHDR_TYPE_0:
- {
- struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)rthdr;
- if (flags != IPV6_RTHDR_LOOSE && flags != IPV6_RTHDR_STRICT) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_lasthop: unsupported flag(%d)\n", flags);
-#endif
- return(-1);
- }
- if (rt0->ip6r0_segleft > 23) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_add: segment overflow\n");
-#endif
- return(-1);
- }
- if (flags == IPV6_RTHDR_STRICT) {
- int c, b;
- c = rt0->ip6r0_segleft / 8;
- b = rt0->ip6r0_segleft % 8;
- rt0->ip6r0_slmap[c] |= (1 << (7 - b));
- }
- break;
- }
- default:
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_lasthop: unknown type(%d)\n",
- rthdr->ip6r_type);
-#endif
- return(-1);
- }
-
- return(0);
-}
-
-#if 0
-int
-inet6_rthdr_reverse(in, out)
- const struct cmsghdr *in;
- struct cmsghdr *out;
-{
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_reverse: not implemented yet\n");
-#endif
- return -1;
-}
-#endif
-
-int
-inet6_rthdr_segments(cmsg)
- const struct cmsghdr *cmsg;
-{
- register struct ip6_rthdr *rthdr;
-
- rthdr = (struct ip6_rthdr *)CMSG_DATA(cmsg);
-
- switch(rthdr->ip6r_type) {
- case IPV6_RTHDR_TYPE_0:
- {
- struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)rthdr;
-
- if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_segments: invalid size(%d)\n",
- rt0->ip6r0_len);
-#endif
- return -1;
- }
-
- return (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
- }
-
- default:
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_segments: unknown type(%d)\n",
- rthdr->ip6r_type);
-#endif
- return -1;
- }
-}
-
-struct in6_addr *
-inet6_rthdr_getaddr(cmsg, index)
- struct cmsghdr *cmsg;
- int index;
-{
- register struct ip6_rthdr *rthdr;
-
- rthdr = (struct ip6_rthdr *)CMSG_DATA(cmsg);
-
- switch(rthdr->ip6r_type) {
- case IPV6_RTHDR_TYPE_0:
- {
- struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)rthdr;
- int naddr;
-
- if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_getaddr: invalid size(%d)\n",
- rt0->ip6r0_len);
-#endif
- return NULL;
- }
- naddr = (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
- if (index <= 0 || naddr < index) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_getaddr: invalid index(%d)\n", index);
-#endif
- return NULL;
- }
- return &rt0->ip6r0_addr[index - 1];
- }
-
- default:
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_getaddr: unknown type(%d)\n",
- rthdr->ip6r_type);
-#endif
- return NULL;
- }
-}
-
-int
-inet6_rthdr_getflags(cmsg, index)
- const struct cmsghdr *cmsg;
- int index;
-{
- register struct ip6_rthdr *rthdr;
-
- rthdr = (struct ip6_rthdr *)CMSG_DATA(cmsg);
-
- switch(rthdr->ip6r_type) {
- case IPV6_RTHDR_TYPE_0:
- {
- struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)rthdr;
- int naddr;
-
- if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_getflags: invalid size(%d)\n",
- rt0->ip6r0_len);
-#endif
- return -1;
- }
- naddr = (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
- if (index < 0 || naddr < index) {
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_getflags: invalid index(%d)\n", index);
-#endif
- return -1;
- }
- if (rt0->ip6r0_slmap[index / 8] & (0x80 >> (index % 8)))
- return IPV6_RTHDR_STRICT;
- else
- return IPV6_RTHDR_LOOSE;
- }
-
- default:
-#ifdef DEBUG
- fprintf(stderr, "inet6_rthdr_getflags: unknown type(%d)\n",
- rthdr->ip6r_type);
-#endif
- return -1;
- }
-}
OpenPOWER on IntegriCloud