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/* Copyright (C) Teemu Suutari */
#include <cstdint>
#include <memory>
#include <fstream>
#include <string>
#include "common/MemoryBuffer.hpp"
#include "common/SubBuffer.hpp"
#include "common/StaticBuffer.hpp"
#include "Decompressor.hpp"
using namespace ancient::internal;
std::shared_ptr<Buffer> readFile(const std::string &fileName)
{
std::shared_ptr<Buffer> ret=std::make_shared<MemoryBuffer>(0);
std::ifstream file(fileName.c_str(),std::ios::in|std::ios::binary);
bool success=false;
if (file.is_open())
{
file.seekg(0,std::ios::end);
size_t length=size_t(file.tellg());
file.seekg(0,std::ios::beg);
ret->resize(length);
file.read(reinterpret_cast<char*>(ret->data()),length);
success=bool(file);
file.close();
}
if (!success)
{
return {};
}
return ret;
}
int main(int argc,char **argv)
{
(void)argc;
#ifdef __AFL_HAVE_MANUAL_CONTROL
__AFL_INIT();
#endif
auto packed{readFile(argv[1])};
if (!packed)
{
return -1;
}
std::shared_ptr<Decompressor> decompressor;
try
{
decompressor=Decompressor::create(*packed,true,true);
} catch (const Decompressor::InvalidFormatError&)
{
return -1;
} catch (const Decompressor::VerificationError&)
{
return -1;
}
std::shared_ptr<Buffer> raw;
try
{
raw=std::make_shared<MemoryBuffer>((decompressor->getRawSize())?decompressor->getRawSize():Decompressor::getMaxRawSize());
} catch (const Buffer::Error&) {
return -1;
}
try
{
decompressor->decompress(*raw,true);
} catch (const Decompressor::DecompressionError&)
{
return -1;
} catch (const Decompressor::VerificationError&)
{
return -1;
}
try
{
raw->resize(decompressor->getRawSize());
} catch (const Buffer::Error&) {
return -1;
}
if (decompressor->getImageOffset() || decompressor->getImageSize())
{
return -1;
}
return 0;
}
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