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