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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/krb5/krb/copy_auth.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.
*/
/*
* Copyright (c) 2006-2008, Novell, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The copyright holder's name is not used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "k5-int.h"
#include "int-proto.h"
/*
* Copy an authdata array, with fresh allocation.
*/
krb5_error_code KRB5_CALLCONV
krb5_merge_authdata(krb5_context context,
krb5_authdata *const *inauthdat1,
krb5_authdata * const *inauthdat2,
krb5_authdata ***outauthdat)
{
krb5_error_code retval;
krb5_authdata ** tempauthdat;
register unsigned int nelems = 0, nelems2 = 0;
*outauthdat = NULL;
if (!inauthdat1 && !inauthdat2) {
*outauthdat = 0;
return 0;
}
if (inauthdat1)
while (inauthdat1[nelems]) nelems++;
if (inauthdat2)
while (inauthdat2[nelems2]) nelems2++;
/* one more for a null terminated list */
if (!(tempauthdat = (krb5_authdata **) calloc(nelems+nelems2+1,
sizeof(*tempauthdat))))
return ENOMEM;
if (inauthdat1) {
for (nelems = 0; inauthdat1[nelems]; nelems++) {
retval = krb5int_copy_authdatum(context, inauthdat1[nelems],
&tempauthdat[nelems]);
if (retval) {
krb5_free_authdata(context, tempauthdat);
return retval;
}
}
}
if (inauthdat2) {
for (nelems2 = 0; inauthdat2[nelems2]; nelems2++) {
retval = krb5int_copy_authdatum(context, inauthdat2[nelems2],
&tempauthdat[nelems++]);
if (retval) {
krb5_free_authdata(context, tempauthdat);
return retval;
}
}
}
*outauthdat = tempauthdat;
return 0;
}
krb5_error_code KRB5_CALLCONV
krb5_copy_authdata(krb5_context context,
krb5_authdata *const *in_authdat, krb5_authdata ***out)
{
return krb5_merge_authdata(context, in_authdat, NULL, out);
}
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