mirror of
https://github.com/ImageMagick/ImageMagick.git
synced 2026-05-25 11:24:54 +02:00
Dirk Lemstra
122 lines
2.7 KiB
C++
122 lines
2.7 KiB
C++
/*
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Copyright @ 2018 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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You may not use this file except in compliance with the License. You may
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obtain a copy of the License at
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https://imagemagick.org/license/
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <cstdint>
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#include <cstring>
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#include <Magick++/Blob.h>
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#include <Magick++/Image.h>
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#include "utils.cc"
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#define FUZZ_ENCODER_STRING_LITERAL_X(name) FUZZ_ENCODER_STRING_LITERAL(name)
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#define FUZZ_ENCODER_STRING_LITERAL(name) #name
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#ifndef FUZZ_ENCODER
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#define FUZZ_ENCODER FUZZ_ENCODER_STRING_LITERAL_X(FUZZ_IMAGEMAGICK_ENCODER)
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#endif
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#ifndef FUZZ_IMAGEMAGICK_INITIALIZER
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#define FUZZ_IMAGEMAGICK_INITIALIZER ""
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#endif
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#define FUZZ_ENCODER_INITIALIZER FUZZ_ENCODER_STRING_LITERAL_X(FUZZ_IMAGEMAGICK_INITIALIZER)
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static ssize_t EncoderInitializer(const uint8_t *Data,const size_t magick_unused(Size),Magick::Image &image)
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{
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magick_unreferenced(Size);
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if (strcmp(FUZZ_ENCODER_INITIALIZER,"interlace") == 0)
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{
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Magick::InterlaceType
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interlace=(Magick::InterlaceType) *reinterpret_cast<const char *>(Data);
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if (interlace > Magick::PNGInterlace)
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return(-1);
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image.interlaceType(interlace);
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return(1);
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}
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if (strcmp(FUZZ_ENCODER_INITIALIZER,"png") == 0)
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image.defineValue("png","ignore-crc","1");
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return(0);
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data,size_t Size)
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{
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Magick::Image
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image;
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ssize_t
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offset;
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std::string
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encoder=FUZZ_ENCODER;
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if (IsInvalidSize(Size))
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return(0);
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offset=EncoderInitializer(Data,Size,image);
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if (offset < 0)
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return(0);
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image.magick(encoder);
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image.fileName(std::string(encoder)+":");
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try
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{
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const Magick::Blob
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blob(Data+offset,Size-offset);
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#if defined(BUILD_MAIN)
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std::string
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image_data;
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image_data=blob.base64();
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#endif
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image.read(blob);
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}
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#if defined(BUILD_MAIN)
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catch (Magick::Exception &e)
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{
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std::cout << "Exception when reading: " << e.what() << std::endl;
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return(0);
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}
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#else
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catch (Magick::Exception)
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{
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return(0);
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}
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#endif
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#if FUZZ_IMAGEMAGICK_ENCODER_WRITE || defined(BUILD_MAIN)
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try
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{
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Magick::Blob
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outBlob;
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image.write(&outBlob,encoder);
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}
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#if defined(BUILD_MAIN)
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catch (Magick::Exception &e)
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{
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std::cout << "Exception when writing: " << e.what() << std::endl;
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}
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#else
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catch (Magick::Exception)
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{
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}
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#endif
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#endif
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return(0);
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}
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