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/*
* 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.
*
*
* krb5_copy_authdata()
*/
#include "k5-int.h"
static krb5_error_code
krb5_copy_authdatum(context, inad, outad)
krb5_context context;
const krb5_authdata *inad;
krb5_authdata **outad;
{
krb5_authdata *tmpad;
if (!(tmpad = (krb5_authdata *)malloc(sizeof(*tmpad))))
return ENOMEM;
#ifdef HAVE_C_STRUCTURE_ASSIGNMENT
*tmpad = *inad;
#else
memcpy(tmpad, inad, sizeof(krb5_authdata));
#endif
if (!(tmpad->contents = (krb5_octet *)malloc(inad->length))) {
krb5_xfree(tmpad);
return ENOMEM;
}
memcpy((char *)tmpad->contents, (char *)inad->contents, inad->length);
*outad = tmpad;
return 0;
}
/*
* Copy an authdata array, with fresh allocation.
*/
krb5_error_code KRB5_CALLCONV
krb5_copy_authdata(context, inauthdat, outauthdat)
krb5_context context;
krb5_authdata FAR * const FAR * inauthdat;
krb5_authdata FAR * FAR * FAR *outauthdat;
{
krb5_error_code retval;
krb5_authdata ** tempauthdat;
register unsigned int nelems = 0;
if (!inauthdat) {
*outauthdat = 0;
return 0;
}
while (inauthdat[nelems]) nelems++;
/* one more for a null terminated list */
if (!(tempauthdat = (krb5_authdata **) calloc(nelems+1,
sizeof(*tempauthdat))))
return ENOMEM;
for (nelems = 0; inauthdat[nelems]; nelems++) {
retval = krb5_copy_authdatum(context, inauthdat[nelems],
&tempauthdat[nelems]);
if (retval) {
krb5_free_authdata(context, tempauthdat);
return retval;
}
}
*outauthdat = tempauthdat;
return 0;
}
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