main.cpp

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/*
    RawSpeed - RAW file decoder.
 
    Copyright (C) 2017 Roman Lebedev
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
 
#ifndef DECODER
#error DECODER must be defined
#endif
 
#include "adt/Casts.h"
#include "common/RawspeedException.h"
#include "decoders/ArwDecoder.h"     // IWYU pragma: keep
#include "decoders/Cr2Decoder.h"     // IWYU pragma: keep
#include "decoders/DcrDecoder.h"     // IWYU pragma: keep
#include "decoders/DcsDecoder.h"     // IWYU pragma: keep
#include "decoders/DngDecoder.h"     // IWYU pragma: keep
#include "decoders/ErfDecoder.h"     // IWYU pragma: keep
#include "decoders/IiqDecoder.h"     // IWYU pragma: keep
#include "decoders/KdcDecoder.h"     // IWYU pragma: keep
#include "decoders/MefDecoder.h"     // IWYU pragma: keep
#include "decoders/MosDecoder.h"     // IWYU pragma: keep
#include "decoders/NefDecoder.h"     // IWYU pragma: keep
#include "decoders/OrfDecoder.h"     // IWYU pragma: keep
#include "decoders/PefDecoder.h"     // IWYU pragma: keep
#include "decoders/RafDecoder.h"     // IWYU pragma: keep
#include "decoders/Rw2Decoder.h"     // IWYU pragma: keep
#include "decoders/SrwDecoder.h"     // IWYU pragma: keep
#include "decoders/StiDecoder.h"     // IWYU pragma: keep
#include "decoders/ThreefrDecoder.h" // IWYU pragma: keep
#include "io/Buffer.h"
#include "metadata/CameraMetaData.h"
#include "parsers/TiffParser.h"
#include <cassert>
#include <cstdint>
#include <cstdio>
#include <memory>
#include <utility>
 
static const rawspeed::CameraMetaData metadata{};
 
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size);
 
using rawspeed::DECODER;
 
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size) {
  assert(Data);
 
  try {
    const rawspeed::Buffer buffer(
        Data, rawspeed::implicit_cast<rawspeed::Buffer::size_type>(Size));
    auto ifd = rawspeed::TiffParser::parse(nullptr, buffer);
 
    // ATM do not care if this is the appropriate decoder.
    // only check that the check does not crash.
    (void)DECODER::isAppropriateDecoder(ifd.get(), buffer);
 
    auto decoder = std::make_unique<DECODER>(std::move(ifd), buffer);
 
    decoder->applyCrop = false;
    decoder->interpolateBadPixels = false;
    decoder->failOnUnknown = false;
    // decoder->checkSupport(&metadata);
 
    decoder->decodeRaw();
    decoder->decodeMetaData(&metadata);
 
  } catch (const rawspeed::RawspeedException&) {
    return 0;
  }
 
  return 0;
}