utils.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <k5-int.h>
#include <socket-utils.h>
#include <inet/ip.h>
/*
* convert a sockaddr_storage address to a krb5_address
* Returns address of krbap if success, NULL if error.
*/
krb5_address *
cvtkaddr(struct sockaddr_storage *ss, krb5_address *krbap)
{
switch (ss->ss_family) {
case AF_INET:
krbap->contents = (krb5_octet *)
malloc(sizeof (ss2sin(ss)->sin_addr));
if (krbap->contents == NULL)
return (NULL);
memcpy((char *)krbap->contents,
(char *)&(ss2sin(ss)->sin_addr),
sizeof (ss2sin(ss)->sin_addr));
krbap->addrtype = ADDRTYPE_INET;
krbap->length = sizeof (ss2sin(ss)->sin_addr);
return (krbap);
case AF_INET6:
if (IN6_IS_ADDR_V4MAPPED(&ss2sin6(ss)->sin6_addr)) {
/* coerce to IPv4 address */
krbap->contents = (krb5_octet *)
malloc(IPV4_ADDR_LEN);
if (krbap->contents == NULL)
return (NULL);
IN6_V4MAPPED_TO_IPADDR(
&(ss2sin6(ss)->sin6_addr),
*(ipaddr_t *)(krbap->contents));
krbap->addrtype = ADDRTYPE_INET;
krbap->length = IPV4_ADDR_LEN;
} else {
krbap->contents = (krb5_octet *)
malloc(sizeof (ss2sin6(ss)->sin6_addr));
if (krbap->contents == NULL)
return (NULL);
memcpy((char *)krbap->contents,
(char *)&ss2sin6(ss)->sin6_addr,
sizeof (ss2sin6(ss)->sin6_addr));
krbap->addrtype = ADDRTYPE_INET6;
krbap->length = sizeof (ss2sin6(ss)->sin6_addr);
}
return (krbap);
default:
return (NULL);
}
}