mirror of https://github.com/google/oss-fuzz.git
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
// Copyright 2020 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// Example of a standalone runner for "fuzz targets".
|
|
// It reads all files passed as parameters and feeds their contents
|
|
// one by one into the fuzz target (LLVMFuzzerTestOneInput).
|
|
// This runner does not do any fuzzing, but allows us to run the fuzz target
|
|
// on the test corpus (e.g. "do_stuff_test_data") or on a single file,
|
|
// e.g. the one that comes from a bug report.
|
|
|
|
#include <cassert>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <vector>
|
|
|
|
// Forward declare the "fuzz target" interface.
|
|
// We deliberately keep this inteface simple and header-free.
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
|
|
|
|
int main(int argc, char **argv) {
|
|
for (int i = 1; i < argc; i++) {
|
|
std::ifstream in(argv[i]);
|
|
in.seekg(0, in.end);
|
|
size_t length = in.tellg();
|
|
in.seekg (0, in.beg);
|
|
std::cout << "Reading " << length << " bytes from " << argv[i] << std::endl;
|
|
// Allocate exactly length bytes so that we reliably catch buffer overflows.
|
|
std::vector<char> bytes(length);
|
|
in.read(bytes.data(), bytes.size());
|
|
assert(in);
|
|
LLVMFuzzerTestOneInput(reinterpret_cast<const uint8_t *>(bytes.data()),
|
|
bytes.size());
|
|
std::cout << "Execution successful" << std::endl;
|
|
}
|
|
return 0;
|
|
}
|