30 lines · cpp
1// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.2// See https://llvm.org/LICENSE.txt for license information.3// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception4 5// Test strstr and strcasestr hooks.6#include <cstdint>7#include <cstdio>8#include <cstdlib>9#include <string.h>10#include <string>11 12// Windows does not have strcasestr and memmem, so we are not testing them.13#ifdef _WIN3214#define strcasestr strstr15#define memmem(a, b, c, d) true16#endif17 18extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {19 if (Size < 4) return 0;20 std::string s(reinterpret_cast<const char*>(Data), Size);21 if (strstr(s.c_str(), "FUZZ") &&22 strcasestr(s.c_str(), "aBcD") &&23 memmem(s.data(), s.size(), "kuku", 4)24 ) {25 fprintf(stderr, "BINGO\n");26 exit(1);27 }28 return 0;29}30