1 /* 2 * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * https://www.openssl.org/source/license.html 8 * or in the file LICENSE in the source distribution. 9 */ 10 #include <stdint.h> 11 #include <unistd.h> 12 #include <stdlib.h> 13 #include <openssl/opensslconf.h> 14 #include "fuzzer.h" 15 16 #ifndef OPENSSL_NO_FUZZ_LIBFUZZER 17 18 int LLVMFuzzerInitialize(int *argc, char ***argv); 19 int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len); 20 21 int LLVMFuzzerInitialize(int *argc, char ***argv) 22 { 23 return FuzzerInitialize(argc, argv); 24 } 25 26 int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) 27 { 28 return FuzzerTestOneInput(buf, len); 29 } 30 31 #elif !defined(OPENSSL_NO_FUZZ_AFL) 32 33 #define BUF_SIZE 65536 34 35 int main(int argc, char** argv) 36 { 37 FuzzerInitialize(&argc, &argv); 38 39 while (__AFL_LOOP(10000)) { 40 uint8_t *buf = malloc(BUF_SIZE); 41 size_t size = read(0, buf, BUF_SIZE); 42 43 FuzzerTestOneInput(buf, size); 44 free(buf); 45 } 46 47 FuzzerCleanup(); 48 return 0; 49 } 50 51 #else 52 53 #error "Unsupported fuzzer" 54 55 #endif 56