1*e7be843bSPierre Pronchery /*
2*e7be843bSPierre Pronchery * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
3*e7be843bSPierre Pronchery *
4*e7be843bSPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*e7be843bSPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*e7be843bSPierre Pronchery * in the file LICENSE in the source distribution or at
7*e7be843bSPierre Pronchery * https://www.openssl.org/source/license.html
8*e7be843bSPierre Pronchery */
9*e7be843bSPierre Pronchery
10*e7be843bSPierre Pronchery #include "crypto/punycode.h"
11*e7be843bSPierre Pronchery #include "internal/nelem.h"
12*e7be843bSPierre Pronchery #include <openssl/crypto.h>
13*e7be843bSPierre Pronchery #include "fuzzer.h"
14*e7be843bSPierre Pronchery
15*e7be843bSPierre Pronchery #include <stdio.h>
16*e7be843bSPierre Pronchery #include <string.h>
17*e7be843bSPierre Pronchery
FuzzerInitialize(int * argc,char *** argv)18*e7be843bSPierre Pronchery int FuzzerInitialize(int *argc, char ***argv)
19*e7be843bSPierre Pronchery {
20*e7be843bSPierre Pronchery return 1;
21*e7be843bSPierre Pronchery }
22*e7be843bSPierre Pronchery
FuzzerTestOneInput(const uint8_t * buf,size_t len)23*e7be843bSPierre Pronchery int FuzzerTestOneInput(const uint8_t *buf, size_t len)
24*e7be843bSPierre Pronchery {
25*e7be843bSPierre Pronchery char *b;
26*e7be843bSPierre Pronchery unsigned int out[16], outlen = OSSL_NELEM(out);
27*e7be843bSPierre Pronchery char outc[16];
28*e7be843bSPierre Pronchery
29*e7be843bSPierre Pronchery b = OPENSSL_malloc(len + 1);
30*e7be843bSPierre Pronchery if (b != NULL) {
31*e7be843bSPierre Pronchery ossl_punycode_decode((const char *)buf, len, out, &outlen);
32*e7be843bSPierre Pronchery memcpy(b, buf, len);
33*e7be843bSPierre Pronchery b[len] = '\0';
34*e7be843bSPierre Pronchery ossl_a2ulabel(b, outc, sizeof(outc));
35*e7be843bSPierre Pronchery OPENSSL_free(b);
36*e7be843bSPierre Pronchery }
37*e7be843bSPierre Pronchery return 0;
38*e7be843bSPierre Pronchery }
39*e7be843bSPierre Pronchery
FuzzerCleanup(void)40*e7be843bSPierre Pronchery void FuzzerCleanup(void)
41*e7be843bSPierre Pronchery {
42*e7be843bSPierre Pronchery }
43