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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/krb5/krb/pr_to_salt.c */
/*
* Copyright 1990 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.
*/
#include "k5-int.h"
static krb5_error_code
principal2salt_internal(krb5_context, krb5_const_principal,
krb5_data *ret, int);
/*
* Convert a krb5_principal into the default salt for that principal.
*/
static krb5_error_code
principal2salt_internal(krb5_context context,
register krb5_const_principal pr,
krb5_data *ret, int use_realm)
{
unsigned int size = 0, offset=0;
krb5_int32 nelem;
register int i;
*ret = empty_data();
if (pr == NULL)
return 0;
nelem = krb5_princ_size(context, pr);
if (use_realm)
size += krb5_princ_realm(context, pr)->length;
for (i = 0; i < (int) nelem; i++)
size += krb5_princ_component(context, pr, i)->length;
if (alloc_data(ret, size))
return ENOMEM;
if (use_realm) {
offset = krb5_princ_realm(context, pr)->length;
memcpy(ret->data, krb5_princ_realm(context, pr)->data, offset);
}
for (i = 0; i < (int) nelem; i++) {
memcpy(&ret->data[offset], krb5_princ_component(context, pr, i)->data,
krb5_princ_component(context, pr, i)->length);
offset += krb5_princ_component(context, pr, i)->length;
}
return 0;
}
krb5_error_code
krb5_principal2salt(krb5_context context,
register krb5_const_principal pr, krb5_data *ret)
{
return principal2salt_internal(context, pr, ret, 1);
}
krb5_error_code
krb5_principal2salt_norealm(krb5_context context,
register krb5_const_principal pr, krb5_data *ret)
{
return principal2salt_internal(context, pr, ret, 0);
}
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