mirror of https://github.com/google/oss-fuzz.git
36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
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// Copyright 2017 Google Inc. All Rights Reserved.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// Example of a standalone runner for "fuzz targets".
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// It reads all files passed as parameters and feeds their contents
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// one by one into the fuzz target (LLVMFuzzerTestOneInput).
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// This runner does not do any fuzzing, but allows us to run the fuzz target
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// on the test corpus (e.g. "do_stuff_test_data") or on a single file,
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// e.g. the one that comes from a bug report.
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#include <cassert>
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#include <iostream>
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#include <fstream>
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#include <vector>
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// Forward declare the "fuzz target" interface.
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// We deliberately keep this inteface simple and header-free.
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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int main(int argc, char **argv) {
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for (int i = 1; i < argc; i++) {
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std::ifstream in(argv[i]);
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in.seekg(0, in.end);
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size_t length = in.tellg();
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in.seekg (0, in.beg);
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std::cout << "Reading " << length << " bytes from " << argv[i] << std::endl;
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// Allocate exactly length bytes so that we reliably catch buffer overflows.
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std::vector<char> bytes(length);
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in.read(bytes.data(), bytes.size());
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assert(in);
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LLVMFuzzerTestOneInput(reinterpret_cast<const uint8_t *>(bytes.data()),
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bytes.size());
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std::cout << "Execution successfull" << std::endl;
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}
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}
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