| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <fuzzer/FuzzedDataProvider.h> |
| |
| #include <vector> |
| |
| #include "third_party/ced/src/compact_enc_det/compact_enc_det.h" |
| |
| namespace { |
| constexpr size_t kMaxInputSize = 64 * 1024; |
| } |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| // Early out if there isn't enough data to extract options and pass data to |
| // the library. |
| if (size < 3 * sizeof(int32_t) + 1) |
| return 0; |
| |
| // Limit the input size to avoid timing out on clusterfuzz. |
| if (size > kMaxInputSize) |
| return 0; |
| |
| FuzzedDataProvider data_provider(data, size); |
| |
| CompactEncDet::TextCorpusType corpus = |
| static_cast<CompactEncDet::TextCorpusType>( |
| data_provider.ConsumeIntegralInRange<int32_t>( |
| 0, CompactEncDet::NUM_CORPA)); |
| Encoding encoding_hint = static_cast<Encoding>( |
| data_provider.ConsumeIntegralInRange<int32_t>(0, NUM_ENCODINGS)); |
| Language langauge_hint = static_cast<Language>( |
| data_provider.ConsumeIntegralInRange<int32_t>(0, NUM_LANGUAGES)); |
| bool ignore_7bit_mail_encodings = data_provider.ConsumeBool(); |
| |
| std::vector<char> text = data_provider.ConsumeRemainingBytes<char>(); |
| int bytes_consumed = 0; |
| bool is_reliable = false; |
| CompactEncDet::DetectEncoding( |
| text.data(), text.size(), nullptr /* url_hint */, |
| nullptr /* http_charset_hint */, nullptr /* meta_charset_hint */, |
| encoding_hint, langauge_hint, corpus, ignore_7bit_mail_encodings, |
| &bytes_consumed, &is_reliable); |
| |
| return 0; |
| } |