/*
* lib/krb5/os/port2ip.c
*
* Copyright 1991 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* Take an ADDRPORT address and split into IP addr & port.
*/
#include "k5-int.h"
#ifdef HAVE_NETINET_IN_H
#include "os-proto.h"
/*ARGSUSED*/
krb5_error_code
krb5_unpack_full_ipaddr(krb5_context context, const krb5_address *inaddr, krb5_int32 *adr, krb5_int16 *port)
{
unsigned long smushaddr;
unsigned short smushport;
register krb5_octet *marshal;
krb5_addrtype temptype;
krb5_ui_4 templength;
if (inaddr->addrtype != ADDRTYPE_ADDRPORT)
return KRB5_PROG_ATYPE_NOSUPP;
if (inaddr->length != sizeof(smushaddr)+ sizeof(smushport) +
2*sizeof(temptype) + 2*sizeof(templength))
return KRB5_PROG_ATYPE_NOSUPP;
marshal = inaddr->contents;
(void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype));
marshal += sizeof(temptype);
if (temptype != htons(ADDRTYPE_INET))
return KRB5_PROG_ATYPE_NOSUPP;
(void) memcpy((char *)&templength, (char *)marshal, sizeof(templength));
marshal += sizeof(templength);
if (templength != htonl(sizeof(smushaddr)))
return KRB5_PROG_ATYPE_NOSUPP;
(void) memcpy((char *)&smushaddr, (char *)marshal, sizeof(smushaddr));
/* leave in net order */
marshal += sizeof(smushaddr);
(void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype));
marshal += sizeof(temptype);
if (temptype != htons(ADDRTYPE_IPPORT))
return KRB5_PROG_ATYPE_NOSUPP;
(void) memcpy((char *)&templength, (char *)marshal, sizeof(templength));
marshal += sizeof(templength);
if (templength != htonl(sizeof(smushport)))
return KRB5_PROG_ATYPE_NOSUPP;
(void) memcpy((char *)&smushport, (char *)marshal, sizeof(smushport));
/* leave in net order */
*adr = (krb5_int32) smushaddr;
*port = (krb5_int16) smushport;
return 0;
}
#endif