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 18 int FuzzerInitialize(int *argc, char ***argv) 19 { 20 return 1; 21 } 22 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 40 void FuzzerCleanup(void) 41 { 42 } 43