Amin Hassani | 79ad96e | 2018-04-11 15:28:58 -0700 | [diff] [blame] | 1 | // Copyright 2018 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <iostream> |
| 6 | #include <memory> |
| 7 | #include <vector> |
| 8 | |
| 9 | #include "bsdiff/bspatch.h" |
| 10 | #include "bsdiff/memory_file.h" |
| 11 | #include "bsdiff/sink_file.h" |
| 12 | |
| 13 | namespace { |
| 14 | |
| 15 | void FuzzBspatch(const uint8_t* data, size_t size) { |
| 16 | const size_t kBufferSize = 1024; |
| 17 | std::vector<uint8_t> source_buffer(kBufferSize); |
| 18 | std::unique_ptr<bsdiff::FileInterface> source( |
| 19 | new bsdiff::MemoryFile(source_buffer.data(), source_buffer.size())); |
| 20 | std::unique_ptr<bsdiff::FileInterface> target(new bsdiff::SinkFile( |
| 21 | [](const uint8_t* data, size_t size) { return size; })); |
| 22 | bsdiff::bspatch(source, target, data, size); |
| 23 | } |
| 24 | |
| 25 | struct Environment { |
| 26 | Environment() { |
| 27 | // To turn off logging for bsdiff library. |
| 28 | std::cerr.setstate(std::ios_base::failbit); |
| 29 | } |
| 30 | }; |
| 31 | |
| 32 | } // namespace |
| 33 | |
| 34 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| 35 | static Environment env; |
| 36 | FuzzBspatch(data, size); |
| 37 | return 0; |
| 38 | } |