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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2009 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_authdata_export_authdata()
*/
#include "k5-int.h"
#include "authdata.h"
#include "auth_con.h"
#include "int-proto.h"
krb5_error_code KRB5_CALLCONV
krb5_authdata_export_authdata(krb5_context kcontext,
krb5_authdata_context context,
krb5_flags flags,
krb5_authdata ***pauthdata)
{
int i;
krb5_error_code code = 0;
krb5_authdata **authdata = NULL;
unsigned int len = 0;
*pauthdata = NULL;
for (i = 0; i < context->n_modules; i++) {
struct _krb5_authdata_context_module *module = &context->modules[i];
krb5_authdata **authdata2 = NULL;
int j;
if ((module->flags & flags) == 0)
continue;
if (module->ftable->export_authdata == NULL)
continue;
code = (*module->ftable->export_authdata)(kcontext,
context,
module->plugin_context,
*(module->request_context_pp),
flags,
&authdata2);
if (code == ENOENT)
code = 0;
else if (code != 0)
break;
if (authdata2 == NULL)
continue;
for (j = 0; authdata2[j] != NULL; j++)
;
authdata = realloc(authdata, (len + j + 1) * sizeof(krb5_authdata *));
if (authdata == NULL)
return ENOMEM;
memcpy(&authdata[len], authdata2, j * sizeof(krb5_authdata *));
free(authdata2);
len += j;
}
if (authdata != NULL)
authdata[len] = NULL;
if (code != 0) {
krb5_free_authdata(kcontext, authdata);
return code;
}
*pauthdata = authdata;
return 0;
}
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