/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* lib/krb5/os/gen_rname.c
*
* Copyright 1991 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* 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. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* 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.
*
*
* take a port-style address and unique string, and return
* a replay cache tag string.
*/
#include "k5-int.h"
#include "os-proto.h"
krb5_error_code
krb5_gen_replay_name(krb5_context context, const krb5_address *address, const char *uniq, char **string)
{
char * tmp;
unsigned int i;
unsigned int len;
len = strlen(uniq) + (address->length * 2) + 1;
if ((*string = malloc(len)) == NULL)
return ENOMEM;
snprintf(*string, len, "%s", uniq);
tmp = *string + strlen(uniq);
for (i = 0; i < address->length; i++) {
snprintf(tmp, len - (tmp-*string), "%.2x", address->contents[i] & 0xff);
tmp += 2;
}
return 0;
}