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/*
* Copyright(c) 2017 Tim Ruehsen
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <assert.h> /* assert */
#include <stdlib.h> /* malloc, free */
#include <string.h> /* memcpy */
#include "idn2.h"
#include "fuzzer.h"
int
LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
{
char *ulabel, *alabel;
char *out;
if (size > 1024)
return 0;
ulabel = (char *) malloc (size + 1);
assert (ulabel != NULL);
/* 0 terminate */
memcpy (ulabel, data, size);
ulabel[size] = 0;
if (size == 0)
{
/*** test NULL input/output combinations ***/
if (idn2_register_ul (NULL, NULL, &out, 0) == IDN2_OK)
idn2_free (out);
idn2_register_ul (ulabel, NULL, NULL, 0);
}
if (idn2_register_ul (ulabel, NULL, &out, 0) == IDN2_OK)
idn2_free (out);
free (ulabel);
alabel = (char *) malloc (size + 4 + 1);
assert (alabel != NULL);
/* 0 terminate */
memcpy (alabel, "xn--", 4);
memcpy (alabel + 4, data, size);
alabel[size] = 0;
if (idn2_register_ul (NULL, alabel, &out, 0) == IDN2_OK)
idn2_free (out);
/*** test NULL input/output combinations ***/
if (size == 0)
idn2_register_ul (NULL, alabel, NULL, 0);
free (alabel);
return 0;
}
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