1 /*
2 * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include "crypto/punycode.h"
11 #include "internal/nelem.h"
12 #include <openssl/crypto.h>
13 #include "fuzzer.h"
14
15 #include <stdio.h>
16 #include <string.h>
17
FuzzerInitialize(int * argc,char *** argv)18 int FuzzerInitialize(int *argc, char ***argv)
19 {
20 return 1;
21 }
22
FuzzerTestOneInput(const uint8_t * buf,size_t len)23 int FuzzerTestOneInput(const uint8_t *buf, size_t len)
24 {
25 char *b;
26 unsigned int out[16], outlen = OSSL_NELEM(out);
27 char outc[16];
28
29 b = OPENSSL_malloc(len + 1);
30 if (b != NULL) {
31 ossl_punycode_decode((const char *)buf, len, out, &outlen);
32 memcpy(b, buf, len);
33 b[len] = '\0';
34 ossl_a2ulabel(b, outc, sizeof(outc));
35 OPENSSL_free(b);
36 }
37 return 0;
38 }
39
FuzzerCleanup(void)40 void FuzzerCleanup(void)
41 {
42 }
43