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📁 ..
📄 Makefile.inc(5.08 KB)
📄 Symbol.map(2.8 KB)
📄 base64.c(10.39 KB)
📄 byteorder.3(2.74 KB)
📄 ether_addr.c(5.68 KB)
📄 ethers.3(5.85 KB)
📄 eui64.3(6.37 KB)
📄 eui64.c(8.3 KB)
📄 gai_strerror.3(2.49 KB)
📄 gai_strerror.c(3.98 KB)
📄 getaddrinfo.3(12.12 KB)
📄 getaddrinfo.c(70.2 KB)
📄 gethostbydns.c(19.1 KB)
📄 gethostbyht.c(9.04 KB)
📄 gethostbyname.3(8.74 KB)
📄 gethostbynis.c(6.94 KB)
📄 gethostnamadr.c(17.01 KB)
📄 getifaddrs.3(4.24 KB)
📄 getifaddrs.c(8.57 KB)
📄 getifmaddrs.3(3 KB)
📄 getifmaddrs.c(4.79 KB)
📄 getipnodebyname.3(10.04 KB)
📄 getnameinfo.3(7.6 KB)
📄 getnameinfo.c(13.68 KB)
📄 getnetbydns.c(12 KB)
📄 getnetbyht.c(7.18 KB)
📄 getnetbynis.c(6.09 KB)
📄 getnetent.3(4.36 KB)
📄 getnetnamadr.c(10.46 KB)
📄 getproto.c(3.87 KB)
📄 getprotoent.3(3.78 KB)
📄 getprotoent.c(12.22 KB)
📄 getprotoname.c(4.25 KB)
📄 getservent.3(4.13 KB)
📄 getservent.c(29.69 KB)
📄 hesiod.3(4.19 KB)
📄 hesiod.c(12.17 KB)
📄 hosts(1.01 KB)
📄 hosts.equiv(53 B)
📄 if_indextoname.3(3.94 KB)
📄 if_indextoname.c(2.94 KB)
📄 if_nameindex.c(4.21 KB)
📄 if_nametoindex.c(2.84 KB)
📄 inet.3(7.76 KB)
📄 inet6_opt_init.3(9.07 KB)
📄 inet6_option_space.3(2.18 KB)
📄 inet6_rth_space.3(6.86 KB)
📄 inet6_rthdr_space.3(2.22 KB)
📄 inet_net.3(5.01 KB)
📄 ip6opt.c(15.36 KB)
📄 linkaddr.3(3.94 KB)
📄 linkaddr.c(4.44 KB)
📄 map_v4v6.c(3.93 KB)
📄 name6.c(28.18 KB)
📄 netdb_private.h(5.2 KB)
📄 networks(310 B)
📄 nscache.c(10.91 KB)
📄 nscachedcli.c(14.18 KB)
📄 nsdispatch.3(6.25 KB)
📄 nsdispatch.c(20.3 KB)
📄 nslexer.l(3.01 KB)
📄 nsparser.y(3.91 KB)
📄 nss_backends.h(2.04 KB)
📄 nss_compat.c(7.93 KB)
📄 nsswitch.conf(272 B)
📄 ntoh.c(1.75 KB)
📄 protocols(6.24 KB)
📄 rcmd.3(8.14 KB)
📄 rcmd.c(18.57 KB)
📄 rcmdsh.3(3.23 KB)
📄 rcmdsh.c(4.95 KB)
📄 recv.c(2.22 KB)
📄 res_config.h(299 B)
📄 resolver.3(11.43 KB)
📄 rthdr.c(9.7 KB)
📄 sctp_bindx.3(3.47 KB)
📄 sctp_connectx.3(3.44 KB)
📄 sctp_freepaddrs.3(2.26 KB)
📄 sctp_getaddrlen.3(2.82 KB)
📄 sctp_getassocid.3(2.44 KB)
📄 sctp_getpaddrs.3(3.11 KB)
📄 sctp_opt_info.3(3.55 KB)
📄 sctp_recvmsg.3(8.43 KB)
📄 sctp_send.3(11.12 KB)
📄 sctp_sendmsg.3(10.45 KB)
📄 sctp_sys_calls.c(30.35 KB)
📄 send.c(2.23 KB)
📄 sockatmark.3(3.26 KB)
📄 sockatmark.c(1.59 KB)
📄 sourcefilter.3(6.38 KB)
📄 sourcefilter.c(9.71 KB)
📄 vars.c(2.07 KB)

Editing: map_v4v6.c

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * ++Copyright++ 1985, 1988, 1993
 * -
 * Copyright (c) 1985, 1988, 1993
 *    The Regents of the University of California.  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 University 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 REGENTS 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 REGENTS 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.
 * -
 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
 * 
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies, and that
 * the name of Digital Equipment Corporation not be used in advertising or
 * publicity pertaining to distribution of the document or software without
 * specific, written prior permission.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 * -
 * --Copyright--
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)gethostnamadr.c	8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <arpa/nameser.h>

#include <stdio.h>
#include <string.h>
#include <netdb.h>
#include <resolv.h>
#include <ctype.h>
#include <syslog.h>
#include "netdb_private.h"

typedef union {
	int32_t al;
	char ac;
} align;

void
_map_v4v6_address(const char *src, char *dst)
{
	/* Our caller may update in place. */
	memmove(&dst[12], src, NS_INADDRSZ);
	/* Mark this ipv6 addr as a mapped ipv4. */
	memset(&dst[10], 0xff, 2);
	memset(&dst[0], 0, 10);
}

void
_map_v4v6_hostent(struct hostent *hp, char **bpp, char *ep) {
	char **ap;

if (hp->h_addrtype != AF_INET || hp->h_length != INADDRSZ)
		return;
	hp->h_addrtype = AF_INET6;
	hp->h_length = IN6ADDRSZ;
	for (ap = hp->h_addr_list; *ap; ap++) {
		int i = (u_long)*bpp % sizeof(align);

if (i != 0)
			i = sizeof(align) - i;

if ((ep - *bpp) < (i + IN6ADDRSZ)) {
			/* Out of memory.  Truncate address list here. */
			*ap = NULL;
			return;
		}
		*bpp += i;
		_map_v4v6_address(*ap, *bpp);
		*ap = *bpp;
		*bpp += IN6ADDRSZ;
	}
}

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Editing: map_v4v6.c

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