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BSD 4.3reno

/*
 * $Source: /var/lib/cvsd/repos/CSRG/43BSDReno/kerberosIV/krb/create_death_packet.c,v $
 * $Author: root $
 *
 * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
 * of Technology.
 *
 * For copying and distribution information, please see the file
 * <mit-copyright.h>.
 */

#ifndef lint
static char *rcsid_cr_death_packet_c =
"$Header: /var/lib/cvsd/repos/CSRG/43BSDReno/kerberosIV/krb/create_death_packet.c,v 1.1.1.1 2018/04/24 16:12:56 root Exp $";
#endif /* lint */

#include <mit-copyright.h>
#include <des.h>
#include <krb.h>
#include <prot.h>
#include <strings.h>

/*
 * This routine creates a packet to type AUTH_MSG_DIE which is sent to
 * the Kerberos server to make it shut down.  It is used only in the
 * development environment.
 *
 * It takes a string "a_name" which is sent in the packet.  A pointer
 * to the packet is returned.
 *
 * The format of the killer packet is:
 *
 * type			variable		data
 *			or constant
 * ----			-----------		----
 *
 * unsigned char	KRB_PROT_VERSION	protocol version number
 * 
 * unsigned char	AUTH_MSG_DIE		message type
 * 
 * [least significant	HOST_BYTE_ORDER		byte order of sender
 *  bit of above field]
 * 
 * string		a_name			presumably, name of
 * 						principal sending killer
 * 						packet
 */

#ifdef DEBUG
KTEXT
krb_create_death_packet(a_name)
    char *a_name;
{
    static KTEXT_ST pkt_st;
    KTEXT pkt = &pkt_st;

    unsigned char *v =  pkt->dat;
    unsigned char *t =  (pkt->dat+1);
    *v = (unsigned char) KRB_PROT_VERSION;
    *t = (unsigned char) AUTH_MSG_DIE;
    *t |= HOST_BYTE_ORDER;
    (void) strcpy((char *) (pkt->dat+2),a_name);
    pkt->length = 3 + strlen(a_name);
    return pkt;
}
#endif /* DEBUG */

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