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/*
** Copyright 1998 - 2000 Double Precision, Inc.
** See COPYING for distribution information.
*/
#include "config.h"
#include "rfc1035.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <errno.h>
#include <string.h>
/*
** Ok, take an address, and a port, and come back with a socket address
** in the specified address family.
*/
int rfc1035_mkaddress(int af,
RFC1035_NETADDR *buf,
const RFC1035_ADDR *addr,
int port,
const struct sockaddr **ptr,
int *len)
{
struct sockaddr_in sin;
#if RFC1035_IPV6
if (af == AF_INET6)
{
struct sockaddr_in6 sin6;
memset(&sin6, 0, sizeof(sin6));
sin6.sin6_family=af;
sin6.sin6_addr= *addr;
sin6.sin6_port=port;
memcpy(buf, &sin6, sizeof(sin6));
*ptr=(struct sockaddr *)buf;
*len=sizeof(sin6);
return (0);
}
if (af != AF_INET || (!IN6_IS_ADDR_V4MAPPED(addr) && memcmp(addr, &in6addr_any, sizeof(*addr))))
{
errno=EAFNOSUPPORT;
return (-1);
}
memset(&sin, 0, sizeof(sin));
sin.sin_family=af;
rfc1035_ipv6to4(&sin.sin_addr, addr);
sin.sin_port=port;
#else
if (af != AF_INET)
{
errno=EINVAL;
return (-1);
}
memset(&sin, 0, sizeof(sin));
sin.sin_family=af;
sin.sin_addr= *addr;
sin.sin_port=port;
#endif
memcpy(buf, &sin, sizeof(sin));
*ptr=(struct sockaddr *)buf;
*len=sizeof(sin);
return (0);
}
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