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/*
* initialize address structure
* Copyright (C) 2000 Henry Spencer.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
* License for more details.
*/
#include <sys/socket.h>
#include "internal.h"
#include "freeswan.h"
/*
- initaddr - initialize ip_address from bytes
*/
err_t /* NULL for success, else string literal */
initaddr(src, srclen, af, dst)
const unsigned char *src;
size_t srclen;
int af; /* address family */
ip_address *dst;
{
switch (af) {
case AF_INET:
if (srclen != 4)
return "IPv4 address must be exactly 4 bytes";
dst->u.v4.sin_family = af;
dst->u.v4.sin_port = 0; /* unused */
memcpy((char *)&dst->u.v4.sin_addr.s_addr, src, srclen);
break;
case AF_INET6:
if (srclen != 16)
return "IPv6 address must be exactly 16 bytes";
dst->u.v6.sin6_family = af;
dst->u.v6.sin6_flowinfo = 0; /* unused */
dst->u.v6.sin6_port = 0; /* unused */
memcpy((char *)&dst->u.v6.sin6_addr, src, srclen);
break;
default:
return "unknown address family in initaddr";
break;
}
return NULL;
}
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