openssl/fuzz/punycode.c
Pauli 8aa82b3370 fuzz: add punycode decoder fuzz test
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/19591)
2022-11-11 08:14:48 +11:00

43 lines
982 B
C

/*
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "crypto/punycode.h"
#include "internal/nelem.h"
#include <openssl/crypto.h>
#include "fuzzer.h"
#include <stdio.h>
#include <string.h>
int FuzzerInitialize(int *argc, char ***argv)
{
return 1;
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
char *b;
unsigned int out[16], outlen = OSSL_NELEM(out);
char outc[16];
b = OPENSSL_malloc(len + 1);
if (b != NULL) {
ossl_punycode_decode((const char *)buf, len, out, &outlen);
memcpy(b, buf, len);
b[len] = '\0';
ossl_a2ulabel(b, outc, sizeof(outc));
OPENSSL_free(b);
}
return 0;
}
void FuzzerCleanup(void)
{
}