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/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZFormatAuthenticNotice function.
*
* Created by: Robert French
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
/* $Header$ */
#include <zephyr/mit-copyright.h>
#include <zephyr/zephyr_internal.h>
Code_t ZFormatAuthenticNotice(notice,buffer,buffer_len,len,session)
ZNotice_t *notice;
ZPacket_t buffer;
int buffer_len;
int *len;
C_Block session;
{
char *ptr;
int result,retval,hdrlen;
AUTH_DAT dat;
KTEXT_ST authent;
ZChecksum_t our_checksum;
CREDENTIALS cred;
notice->z_auth = 1;
notice->z_authent_len = 0;
notice->z_ascii_authent = (KTEXT)"";
if ((retval = Z_FormatRawHeader(notice,buffer,buffer_len,&hdrlen))
!= ZERR_NONE)
return (retval);
for (hdrlen--;buffer[hdrlen];hdrlen--)
;
if (result = get_credentials(SERVER_SERVICE,SERVER_INSTANCE,
__Zephyr_realm,&cred))
return (result+krb_err_base);
notice->z_checksum = (ZChecksum_t)quad_cksum(buffer,NULL,hdrlen,0,
cred.session);
if ((retval = Z_FormatRawHeader(notice,buffer,buffer_len,&hdrlen))
!= ZERR_NONE)
return (retval);
ptr = buffer+hdrlen;
if (notice->z_message_len+hdrlen > buffer_len)
return (ZERR_PKTLEN);
bcopy(notice->z_message,ptr,notice->z_message_len);
*len = hdrlen+notice->z_message_len;
if (*len > Z_MAXPKTLEN)
return (ZERR_PKTLEN);
return (ZERR_NONE);
}
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