57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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/*
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Copyright (C) 1989 by the Massachusetts Institute of Technology
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Export of this software from the United States of America is assumed
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to require a specific license from the United States Government.
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It is the responsibility of any person or organization contemplating
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export to obtain such a license before exporting.
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WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
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distribute this software and its documentation for any purpose and
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without fee is hereby granted, provided that the above copyright
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notice appear in all copies and that both that copyright notice and
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this permission notice appear in supporting documentation, and that
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the name of M.I.T. not be used in advertising or publicity pertaining
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to distribution of the software without specific, written prior
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permission. M.I.T. makes no representations about the suitability of
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this software for any purpose. It is provided "as is" without express
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or implied warranty.
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*/
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#include "krb_locl.h"
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RCSID("$Id: mk_err.c,v 1.6 1997/03/23 03:53:14 joda Exp $");
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/*
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* This routine creates a general purpose error reply message. It
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* doesn't use KTEXT because application protocol may have long
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* messages, and may want this part of buffer contiguous to other
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* stuff.
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*
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* The error reply is built in "p", using the error code "e" and
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* error text "e_string" given. The length of the error reply is
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* returned.
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*
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* The error reply is in the following format:
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*
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* unsigned char KRB_PROT_VERSION protocol version no.
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* unsigned char AUTH_MSG_APPL_ERR message type
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* (least significant
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* bit of above) HOST_BYTE_ORDER local byte order
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* 4 bytes e given error code
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* string e_string given error text
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*/
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int32_t
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krb_mk_err(u_char *p, int32_t e, char *e_string)
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{
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unsigned char *start = p;
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p += krb_put_int(KRB_PROT_VERSION, p, 1);
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p += krb_put_int(AUTH_MSG_APPL_ERR, p, 1);
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p += krb_put_int(e, p, 4);
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p += krb_put_string(e_string, p);
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return p - start;
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}
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