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/* $OpenBSD: mk_err.c,v 1.5 1998/02/25 15:51:29 art Exp $ */
/* $KTH: mk_err.c,v 1.6 1997/03/23 03:53:14 joda Exp $ */
/*
* This source code is no longer held under any constraint of USA
* `cryptographic laws' since it was exported legally. The cryptographic
* functions were removed from the code and a "Bones" distribution was
* made. A Commodity Jurisdiction Request #012-94 was filed with the
* USA State Department, who handed it to the Commerce department. The
* code was determined to fall under General License GTDA under ECCN 5D96G,
* and hence exportable. The cryptographic interfaces were re-added by Eric
* Young, and then KTH proceeded to maintain the code in the free world.
*
*/
/*
* Copyright (C) 1989 by the Massachusetts Institute of Technology
*
* Export of this software from the United States of America is assumed
* to 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. 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.
*
*/
#include "krb_locl.h"
/*
* This routine creates a general purpose error reply message. It
* doesn't use KTEXT because application protocol may have long
* messages, and may want this part of buffer contiguous to other
* stuff.
*
* The error reply is built in "p", using the error code "e" and
* error text "e_string" given. The length of the error reply is
* returned.
*
* The error reply is in the following format:
*
* unsigned char KRB_PROT_VERSION protocol version no.
* unsigned char AUTH_MSG_APPL_ERR message type
* (least significant
* bit of above) HOST_BYTE_ORDER local byte order
* 4 bytes e given error code
* string e_string given error text
*/
int32_t
krb_mk_err(u_char *p, int32_t e, char *e_string)
{
unsigned char *start = p;
p += krb_put_int(KRB_PROT_VERSION, p, 1);
p += krb_put_int(AUTH_MSG_APPL_ERR, p, 1);
p += krb_put_int(e, p, 4);
p += krb_put_string(e_string, p);
return p - start;
}
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