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/*
* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
* of Technology.
* For copying and distribution information, please see the file
* <Copyright.MIT>.
*
* from: pkt_clen.c,v 4.7 88/11/15 16:56:36 jtkohl Exp $
* $Id: pkt_clen.c,v 1.2 1994/07/19 19:26:09 g89r4222 Exp $
*/
#ifndef lint
static char *rcsid =
"$Id: pkt_clen.c,v 1.2 1994/07/19 19:26:09 g89r4222 Exp $";
#endif /* lint */
#include <krb.h>
#include <prot.h>
extern int krb_debug;
extern int swap_bytes;
/*
* Given a pointer to an AUTH_MSG_KDC_REPLY packet, return the length of
* its ciphertext portion. The external variable "swap_bytes" is assumed
* to have been set to indicate whether or not the packet is in local
* byte order. pkt_clen() takes this into account when reading the
* ciphertext length out of the packet.
*/
pkt_clen(pkt)
KTEXT pkt;
{
static unsigned short temp,temp2;
int clen = 0;
/* Start of ticket list */
unsigned char *ptr = pkt_a_realm(pkt) + 10
+ strlen((char *)pkt_a_realm(pkt));
/* Finally the length */
bcopy((char *)(++ptr),(char *)&temp,2); /* alignment */
if (swap_bytes) {
/* assume a short is 2 bytes?? */
swab((char *)&temp,(char *)&temp2,2);
temp = temp2;
}
clen = (int) temp;
if (krb_debug)
printf("Clen is %d\n",clen);
return(clen);
}
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