diff options
Diffstat (limited to 'newlib/libc/sys/linux/net/rthdr.c')
| -rw-r--r-- | newlib/libc/sys/linux/net/rthdr.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/newlib/libc/sys/linux/net/rthdr.c b/newlib/libc/sys/linux/net/rthdr.c deleted file mode 100644 index e5f7814b1..000000000 --- a/newlib/libc/sys/linux/net/rthdr.c +++ /dev/null @@ -1,319 +0,0 @@ -/* $KAME: rthdr.c,v 1.8 2001/08/20 02:32:40 itojun Exp $ */ - -/* - * 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. - */ - -#include <sys/cdefs.h> -#include <sys/types.h> - -#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> - -/* to define items, should talk with KAME guys first, for *BSD compatibility */ - -#define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ -#define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ -#define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ - -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; -{ - struct cmsghdr *ch = (struct cmsghdr *)bp; - 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; -{ - 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; -{ - 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; -{ - 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, idx) - struct cmsghdr *cmsg; - int idx; -{ - 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 (idx <= 0 || naddr < idx) { -#ifdef DEBUG - fprintf(stderr, "inet6_rthdr_getaddr: invalid idx(%d)\n", idx); -#endif - return NULL; - } - return &rt0->ip6r0_addr[idx - 1]; - } - - default: -#ifdef DEBUG - fprintf(stderr, "inet6_rthdr_getaddr: unknown type(%d)\n", - rthdr->ip6r_type); -#endif - return NULL; - } -} - -int -inet6_rthdr_getflags(cmsg, idx) - const struct cmsghdr *cmsg; - int idx; -{ - 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 (idx < 0 || naddr < idx) { -#ifdef DEBUG - fprintf(stderr, "inet6_rthdr_getflags: invalid idx(%d)\n", idx); -#endif - return -1; - } - if (rt0->ip6r0_slmap[idx / 8] & (0x80 >> (idx % 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; - } -} |