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/*
* $Source$
* $Author$
*
* Copyright 1990 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <krb5/mit-copyright.h>.
*
* Dispatch an incoming packet.
*/
#if !defined(lint) && !defined(SABER)
static char rcsid_dispatch_c[] =
"$Id$";
#endif /* !lint & !SABER */
#include <krb5/copyright.h>
#include <krb5/krb5.h>
#include <krb5/asn1.h>
#include <krb5/krb5_err.h>
#include <krb5/isode_err.h>
#include <krb5/kdb.h>
#include "kdc_util.h"
krb5_error_code
dispatch(pkt, from, response)
krb5_data *pkt;
krb5_fulladdr *from;
krb5_data **response;
{
krb5_error_code retval;
krb5_as_req *as_req;
krb5_tgs_req *tgs_req;
/* decode incoming packet, and dispatch */
if (pkt->data[0] == 4) /* XXX old version */
return(process_v4(pkt));
/* try TGS_REQ first; they are more common! */
retval = decode_krb5_tgs_req(pkt, &tgs_req);
switch (retval) {
case ISODE_50_LOCAL_ERR_BADDECODE:
retval = decode_krb5_as_req(pkt, &as_req);
switch (retval) {
case 0:
retval = process_as_req(as_req, from, response);
krb5_free_as_req(as_req);
break;
default:
return(retval);
}
case 0:
/* it's now decoded, but still has an encrypted part to work on */
if (!(retval = decrypt_tgs_req(tgs_req, from)))
retval = process_tgs_req(tgs_req, from, response);
krb5_free_tgs_req(tgs_req);
break;
}
return retval;
}
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