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Add unpacktool

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elasota
2020-05-09 21:05:58 -04:00
parent b849d23f4e
commit ebb6d7608e
65 changed files with 6419 additions and 14 deletions
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6
ACKNOWLEDGMENTS.txt
View File

@@ -22,3 +22,9 @@ Distributed under the MIT license (See rapidjson/license.txt)
zlib:
(C) 1995-2017 Jean-loup Gailly and Mark Adler
Distributed under zlib license (See zlib/README)
The Unarchiver:
Copyright (C) 2006-2013 Dag Ågren
Distributed under the LGPLv2 license (See unpacktool/LICENSE.txt)

92
Aerofoil.sln
View File

@@ -43,92 +43,184 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MakeTimestamp", "MakeTimest
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "flattenmov", "flattenmov\flattenmov.vcxproj", "{89F8D13E-F216-4B67-8DE9-7F842D349E94}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "unpacktool", "unpacktool\unpacktool.vcxproj", "{A778D062-DE76-49F6-8D05-EB26852DD605}"
EndProject
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1
Common.props
View File

@@ -7,6 +7,7 @@
<ClCompile>
<AdditionalIncludeDirectories>$(SolutionDir)Common;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<ConformanceMode>true</ConformanceMode>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
</ItemDefinitionGroup>
<ItemGroup />

9
Documentation/readme.txt
View File

@@ -81,3 +81,12 @@ FreeType:
Portions of this software are copyright (c)2020 The FreeType Project (www.freetype.org). All rights reserved.
Distributed under the GPLv2 license (see license_gplv2.txt)
-------------------------------------------------------------------------------
The Unarchiver:
The "unpacktool" utility is heavily based on code from The Unarchiver.
Copyright (C) 2006-2013 Dag Ågren
Distributed under the LGPLv2 license (See license_lgplv2.txt)

30
Documentation/userhouses.txt
View File

@@ -1,16 +1,26 @@
If you want to import an existing third-party Glider PRO house to Aerofoil, a few steps are required.
First, you need to generate a timestamp file. Use the "MakeTimestamp" utility to dump the current time to a timestamp file.
You need to convert the file into Aerofoil's "triplet" format, which consists of a metadata file (extension .gpf), and file forks (.gpd for data, .gpr for resources). How you get these depends on the input format:
- For MacBinary files (.bin), use the "bin2gp" utility
- For BinHex files (.hqx), use the "hqx2gp" utility
- For StuffIt (.sit) and Compact Pro (.cpt) archives, use the "unpacktool" utility to extract the contents in triplet format. The "unpacktool" utility should support any most vintage StuffIt archives made with StuffIt Deluxe 6 or lower.
Second, you need to extract the house data from the original archive. Most existing Glider PRO houses are in StuffIt! archives (.sit extension), which can be difficult to extract. There is a utility called The Unarchiver for macOS which appears to support it. An alternative is to extract the file on an actual vintage Mac.
(NOTE: ".sea" files are self-extracting archives, typically StuffIt or Compact Pro archives with the self-extractor program in the resources. These will always be distributed in a fork-grouping container like MacBinary or BinHex. For cases like these, you need to split the self-extracting archive using "bin2gp" or "hqx2gp" and then pass the ".sea.gpd" file (which contains the archive data) to "unpacktool" to decompress it.)
The next step depends on whether or not the house has custom resources. If the house doesn't have custom resources, then add a ".gpd" extension to the house and use the FTagData utility to generate a corresponding ".gpf" metadata file, using the timestamp you generated in the first step. You need to specify "gliH" as the file type ID and "ozm5" as the file creator ID.
If the house does have custom resources, then you need to get the resource data somehow, and you still need to generate the metadata. There are a few options there:
- If extracting the file generated a separate file containing the resource data, which I think is what happens when extracting files on macOS, then you can use the resource file directly, and handle the other steps the same as you would if it didn't have custom resources.
- If you can get the house into MacBinary format, then you can use the "bin2gp" utility to convert it to .gpf, .gpd, and .gpr files.
- If you can get the house into BinHex4 (.hqx) format, then you can use the "hqx2gp" utility to convert it to .gpf, .gpd, and .gpr files.
Once you have a .gpr file of the raw Mac-format resource data, you need to convert it to Aerofoil's ZIP-based resource archive format and convert the internal resources out of Mac-specific formats. Use the "gpr2gpa" utility to do this.
Once you've done that, if the house has custom resources (i.e. a .gpr file), you need to convert it to an Aerofoil resource archive, which you can do using the "gpr2gpa" tool.
gpr2gpa's PICT converter may not support all PICT encodings. If you find a house with custom PICT resources that isn't supported, please submit a sample to Aerofoil's issue tracker.
Converting QuickTime movies for displaying on in-game TVs is a bit more complex. First, you need to convert the movie to a sequence of BMP images, which you can do with third-party tools such as FFMPEG. Second, you need to create a JSON file containing the movie metadata, which looks like this, for example:
{
"frameRateNumerator" : 8,
"frameRateDenominator" : 1
}
Once you've done that, create a ZIP archive where the path of the JSON file is "muvi\0.json" and the frames are "PICT\<frame number>.bmp", where <frame number> is the frame number, starting with 1 as the first frame, and name that the same as the house name, but with a ".mov.gpa" extension.
Next, you need to create a metadata file for the movie, which should have a ".mov.gpf" extension. You can create the metadata file using the "FTagData" utility, using a timestamp file created with the "MakeTimestamp" utility.
Some old QuickTime movies contain movie tracking information in the movie resources, in which case you need to merge them into the data for modern utilities to read them. You can use the "flattenmov" tool to do this if it's in MacBinary format. There isn't currently an option for flattening a movie in triplet format - This will probably change in the future by changing "flattenmov" to load triplet-format files.

9
MakeRelease.bat
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@@ -1,6 +1,7 @@
mkdir ReleasePkg\Aerofoil
mkdir ReleasePkg\Aerofoil\Packaged
mkdir ReleasePkg\Aerofoil\Resources
mkdir ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\Aerofoil.exe ReleasePkg\Aerofoil
copy /Y x64\Release\GpAudioDriver_XAudio2.dll ReleasePkg\Aerofoil
@@ -9,6 +10,14 @@ copy /Y x64\Release\GpInputDriver_XInput.dll ReleasePkg\Aerofoil
copy /Y x64\Release\FreeType.dll ReleasePkg\Aerofoil
copy /Y x64\Release\GpApp.dll ReleasePkg\Aerofoil
copy /Y x64\Release\flattenmov.exe ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\bin2gp.exe ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\hqx2bin.exe ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\hqx2gp.exe ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\MakeTimestamp.exe ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\FTagData.exe ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\gpr2gpa.exe ReleasePkg\Aerofoil\Tools
copy /Y x64\Release\unpacktool.exe ReleasePkg\Aerofoil\Tools
xcopy /I /E /Y /K Packaged ReleasePkg\Aerofoil\Packaged
xcopy /I /E /Y /K Resources ReleasePkg\Aerofoil\Resources

2
PortabilityLayer/PortabilityLayer.vcxproj
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@@ -231,6 +231,7 @@
<ClInclude Include="PLUnalignedPtr.h" />
<ClInclude Include="PLWidgets.h" />
<ClInclude Include="TextPlacer.h" />
<ClInclude Include="UTF16.h" />
<ClInclude Include="UTF8.h" />
<ClInclude Include="ZipFileProxy.h" />
<ClInclude Include="SimpleImage.h" />
@@ -388,6 +389,7 @@
<ClCompile Include="SimpleGraphic.cpp" />
<ClCompile Include="PLHandle.cpp" />
<ClCompile Include="TextPlacer.cpp" />
<ClCompile Include="UTF16.cpp" />
<ClCompile Include="UTF8.cpp" />
<ClCompile Include="WindowDef.cpp" />
<ClCompile Include="WindowManager.cpp" />

6
PortabilityLayer/PortabilityLayer.vcxproj.filters
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@@ -486,6 +486,9 @@
<ClInclude Include="AppEventHandler.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="UTF16.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="CFileStream.cpp">
@@ -764,5 +767,8 @@
<ClCompile Include="AppEventHandler.cpp">
<Filter>Header Files</Filter>
</ClCompile>
<ClCompile Include="UTF16.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
</Project>

57
PortabilityLayer/UTF16.cpp Normal file
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@@ -0,0 +1,57 @@
#include "UTF16.h"
namespace PortabilityLayer
{
bool UTF16Processor::DecodeCodePoint(const uint16_t *characters, size_t availableCharacters, size_t &outCharactersDigested, uint32_t &outCodePoint)
{
if (availableCharacters <= 0)
return false;
if ((characters[0] & 0xff80) == 0x00)
{
outCharactersDigested = 1;
outCodePoint = characters[0];
return true;
}
if (characters[0] <= 0xd7ff || characters[0] >= 0xe000)
{
outCharactersDigested = 1;
outCodePoint = characters[0];
return true;
}
// Surrogate pair
if (characters[0] >= 0xdc00 || availableCharacters < 2)
return false;
if (characters[1] < 0xdc00 || characters[1] >= 0xe000)
return false;
uint16_t highBits = (characters[0] & 0x3ff);
uint16_t lowBits = (characters[1] & 0x3ff);
outCharactersDigested = 2;
outCodePoint = (highBits << 10) + lowBits + 0x10000;
return true;
}
void UTF16Processor::EncodeCodePoint(uint16_t *characters, size_t &outCharactersEmitted, uint32_t codePoint)
{
if (codePoint <= 0xd7ff || codePoint >= 0xe000)
{
outCharactersEmitted = 1;
characters[0] = static_cast<uint16_t>(codePoint);
return;
}
uint32_t codePointBits = (codePoint - 0x10000) & 0xfffff;
uint16_t lowBits = (codePointBits & 0x3ff);
uint16_t highBits = ((codePointBits >> 10) & 0x3ff);
outCharactersEmitted = 2;
characters[0] = (0xd800 + highBits);
characters[1] = (0xdc00 + lowBits);
}
}

13
PortabilityLayer/UTF16.h Normal file
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@@ -0,0 +1,13 @@
#pragma once
#include <stdint.h>
namespace PortabilityLayer
{
class UTF16Processor
{
public:
static bool DecodeCodePoint(const uint16_t *characters, size_t availableCharacters, size_t &outCharactersDigested, uint32_t &outCodePoint);
static void EncodeCodePoint(uint16_t *characters, size_t &outCharactersEmitted, uint32_t codePoint);
};
}

2
README.txt
View File

@@ -16,6 +16,8 @@ Other parts:
- ApplicationResourcePatches: Modified resources (used to change config dialogs).
- hqx2bin: Converts BinHex to MacBinary (not really used any more)
- hqx2gp: Converts BinHex to .gpr, .gpd, and .gpf (resource fork data, data fork data, and Finder data, respectively)
- gpr2gpa: Converts Macintosh resource files to a .gpa (a ZIP archive containing the resources in more common formats)
- FTagData: Copies a data-only file to a .gpd and creates a .gpf for it
- PictChecker: Experimental app that extracts all of the PICT resources from all of the houses and dumps them to PNG. Used to verify that the PICT loader works.
- MacRomanConverter: Micro-library that converts the Mac Roman character set to Unicode.
- unpacktool: A utility for extracting vintage StuffIt and Compact Pro archives.

2
gpr2gpa/gpr2gpa.cpp
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@@ -1,5 +1,3 @@
#define _CRT_SECURE_NO_WARNINGS
#include "BMPFormat.h"
#include "CFileStream.h"
#include "CombinedTimestamp.h"

62
unpacktool/ArchiveDescription.cpp Normal file
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@@ -0,0 +1,62 @@
#include "ArchiveDescription.h"
ArchiveCompressedChunkDesc::ArchiveCompressedChunkDesc()
: m_filePosition(0)
, m_uncompressedSize(0)
, m_compressedSize(0)
, m_compressionMethod(CompressionMethods::kUnknown)
{
}
ArchiveItem::ArchiveItem()
: m_isDirectory(false)
, m_children(nullptr)
{
}
ArchiveItem::ArchiveItem(ArchiveItem &&other)
: m_isDirectory(other.m_isDirectory)
, m_fileNameUTF8(other.m_fileNameUTF8)
, m_macProperties(other.m_macProperties)
, m_dataForkDesc(other.m_dataForkDesc)
, m_resourceForkDesc(other.m_resourceForkDesc)
, m_commentDesc(other.m_commentDesc)
, m_children(other.m_children)
{
other.m_children = nullptr;
}
ArchiveItem::ArchiveItem(const ArchiveItem &other)
: m_isDirectory(other.m_isDirectory)
, m_fileNameUTF8(other.m_fileNameUTF8)
, m_macProperties(other.m_macProperties)
, m_dataForkDesc(other.m_dataForkDesc)
, m_resourceForkDesc(other.m_resourceForkDesc)
, m_commentDesc(other.m_commentDesc)
, m_children(other.m_children ? (new ArchiveItemList(*(other.m_children))) : nullptr)
{
}
ArchiveItem::~ArchiveItem()
{
if (m_children)
delete m_children;
}
ArchiveItemList::ArchiveItemList()
{
}
ArchiveItemList::ArchiveItemList(ArchiveItemList &&other)
: m_items(std::move(other.m_items))
{
}
ArchiveItemList::ArchiveItemList(const ArchiveItemList &other)
: m_items(other.m_items)
{
}
ArchiveItemList::~ArchiveItemList()
{
}

71
unpacktool/ArchiveDescription.h Normal file
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@@ -0,0 +1,71 @@
#pragma once
#include "MacFileInfo.h"
#include <vector>
#include <stdint.h>
namespace CompressionMethods
{
enum CompressionMethod
{
kNone,
kUnknown,
kStuffItRLE90,
kStuffItLZW,
kStuffItHuffman,
kStuffItLZAH,
kStuffItFixedHuffman,
kStuffItMW,
kStuffIt13,
kStuffIt14,
kStuffItArsenic,
kCompactProRLE,
kCompactProLZHRLE,
};
}
typedef CompressionMethods::CompressionMethod CompressionMethod_t;
struct ArchiveItemList;
struct ArchiveCompressedChunkDesc
{
ArchiveCompressedChunkDesc();
uint64_t m_filePosition;
size_t m_uncompressedSize;
size_t m_compressedSize;
CompressionMethod_t m_compressionMethod;
};
struct ArchiveItem
{
ArchiveItem();
ArchiveItem(ArchiveItem &&other);
ArchiveItem(const ArchiveItem &other);
~ArchiveItem();
bool m_isDirectory;
std::vector<uint8_t> m_fileNameUTF8;
PortabilityLayer::MacFileProperties m_macProperties;
ArchiveCompressedChunkDesc m_dataForkDesc;
ArchiveCompressedChunkDesc m_resourceForkDesc;
ArchiveCompressedChunkDesc m_commentDesc;
ArchiveItemList *m_children;
};
struct ArchiveItemList
{
public:
ArchiveItemList();
ArchiveItemList(ArchiveItemList &&other);
ArchiveItemList(const ArchiveItemList &other);
~ArchiveItemList();
std::vector<ArchiveItem> m_items;
};

218
unpacktool/BWT.cpp Normal file
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@@ -0,0 +1,218 @@
#include "BWT.h"
#include <stdlib.h>
#include <string.h>
// Inverse BWT
void CalculateInverseBWT(uint32_t *transform,uint8_t *block,int blocklen)
{
int counts[256]={0},cumulativecounts[256];
for(int i=0;i<blocklen;i++) counts[block[i]]++;
int total=0;
for(int i=0;i<256;i++)
{
cumulativecounts[i]=total;
total+=counts[i];
counts[i]=0;
}
for(int i=0;i<blocklen;i++)
{
transform[cumulativecounts[block[i]]+counts[block[i]]]=i;
counts[block[i]]++;
}
}
void UnsortBWT(uint8_t *dest,uint8_t *src,int blocklen,int firstindex,uint32_t *transform)
{
CalculateInverseBWT(transform,src,blocklen);
int transformindex=firstindex;
for(int i=0;i<blocklen;i++)
{
transformindex=transform[transformindex];
dest[i]=src[transformindex];
}
}
void UnsortST4(uint8_t *dest,uint8_t *src,int blocklen,int firstindex,uint32_t *transform)
{
int counts[256];
for(int i=0;i<256;i++) counts[i]=0;
int *array2=static_cast<int*>(calloc(sizeof(int),256*256));
for(int i=0;i<blocklen;i++) counts[src[i]]++;
int total=0;
for(int i=0;i<256;i++)
{
int count=counts[i];
counts[i]=total;
for(int j=0;j<count;j++) array2[(src[total+j]<<8)|i]++;
total+=count;
}
uint8_t *bitvec=dest;
memset(bitvec,0,(blocklen+7)/8);
int array3[256];
for(int i=0;i<256;i++) array3[i]=-1;
uint32_t counts2[256];
memcpy(counts2,counts,sizeof(counts));
total=0;
for(int i=0;i<0x10000;i++)
{
int count=array2[i];
for(int j=0;j<count;j++)
{
int byte=src[total+j];
if(array3[byte]!=total)
{
array3[byte]=total;
int x=counts[byte];
bitvec[x>>3]|=1<<(x&7);
}
counts[byte]++;
}
total+=count;
}
for(int i=0;i<256;i++) array3[i]=0;
int index=0;
for(int i=0;i<blocklen;i++)
{
if(bitvec[i/8]&(1<<(i&7))) index=i;
int byte=src[i];
if(index<array3[byte])
{
transform[i]=(array3[byte]-1)|0x800000;
}
else
{
transform[i]=counts2[byte];
array3[byte]=i+1;
}
counts2[byte]++;
transform[i]|=byte<<24;
}
index=firstindex;
uint32_t tval=transform[firstindex];
for(int i=0;i<blocklen;i++)
{
if(tval&0x800000)
{
index=transform[tval&0x7fffff]&0x7fffff;
transform[tval&0x7fffff]++;
}
else
{
transform[index]++;
index=tval&0x7fffff;
}
tval=transform[index];
dest[i]=tval>>24;
}
free(array2);
}
/*void UnsortBWTStuffItX(uint8_t *dest,int blocklen,int firstindex,uint8_t *src,uint32_t *transform)
{
int counts[256]={0};
for(int i=0;i<blocklen;i++)
{
transform[i]=counts[src[i]];
counts[src[i]]++;
}
int total=0;
for(int i=0;i<256;i++)
{
int oldtotal=total;
total+=counts[i];
counts[i]=oldtotal;
}
int index=firstindex;
for(int i=blocklen-1;i>=0;i--)
{
dest[i]=src[index];
index=transform[index]+counts[src[index]];
}
}*/
// MTF Decoder
void ResetMTFDecoder(MTFState *self)
{
for(int i=0;i<256;i++) self->table[i]=i;
}
int DecodeMTF(MTFState *self,int symbol)
{
int res=self->table[symbol];
for(int i=symbol;i>0;i--) self->table[i]=self->table[i-1];
self->table[0]=res;
return res;
}
void DecodeMTFBlock(uint8_t *block,int blocklen)
{
MTFState mtf;
ResetMTFDecoder(&mtf);
for(int i=0;i<blocklen;i++) block[i]=DecodeMTF(&mtf,block[i]);
}
void DecodeM1FFNBlock(uint8_t *block,int blocklen,int order)
{
MTFState mtf;
ResetMTFDecoder(&mtf);
int lasthead=order-1;
for(int i=0;i<blocklen;i++)
{
int symbol=block[i];
block[i]=mtf.table[symbol];
if(symbol==0)
{
lasthead=0;
}
else if(symbol==1)
{
if(lasthead>=order)
{
int val=mtf.table[1];
mtf.table[1]=mtf.table[0];
mtf.table[0]=val;
}
}
else
{
int val=mtf.table[symbol];
for(int i=symbol;i>1;i--) mtf.table[i]=mtf.table[i-1];
mtf.table[1]=val;
}
lasthead++;
}
}

21
unpacktool/BWT.h Normal file
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@@ -0,0 +1,21 @@
#ifndef __BWT_H__
#define __BWT_H__
#include <stdint.h>
void CalculateInverseBWT(uint32_t *transform, uint8_t *block, int blocklen);
void UnsortBWT(uint8_t *dest, uint8_t *src, int blocklen, int firstindex, uint32_t *transformbuf);
void UnsortST4(uint8_t *dest, uint8_t *src, int blocklen, int firstindex, uint32_t *transformbuf);
typedef struct MTFState
{
int table[256];
} MTFState;
void ResetMTFDecoder(MTFState *self);
int DecodeMTF(MTFState *self, int symbol);
void DecodeMTFBlock(uint8_t *block, int blocklen);
void DecodeM1FFNBlock(uint8_t *block, int blocklen, int order);
#endif

208
unpacktool/CRC.cpp Normal file
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@@ -0,0 +1,208 @@
#include "CRC.h"
uint32_t XADCRC(uint32_t prevcrc, uint8_t byte, const uint32_t *table)
{
return table[(prevcrc^byte) & 0xff] ^ (prevcrc >> 8);
}
uint32_t XADCalculateCRC(uint32_t prevcrc, const uint8_t *buffer, int length, const uint32_t *table)
{
uint32_t crc = prevcrc;
for (int i = 0; i < length; i++) crc = XADCRC(crc, buffer[i], table);
return crc;
}
uint64_t XADCRC64(uint64_t prevcrc, uint8_t byte, const uint64_t *table)
{
return table[(prevcrc^byte) & 0xff] ^ (prevcrc >> 8);
}
uint64_t XADCalculateCRC64(uint64_t prevcrc, const uint8_t *buffer, int length, const uint64_t *table)
{
uint64_t crc = prevcrc;
for (int i = 0; i < length; i++) crc = XADCRC64(crc, buffer[i], table);
return crc;
}
int XADUnReverseCRC16(int val)
{
val = ((val >> 8) & 0x00FF) | ((val & 0x00FF) << 8);
return val;
}
const uint32_t XADCRCTable_a001[256] =
{
0x00000000,0x0000c0c1,0x0000c181,0x00000140,0x0000c301,0x000003c0,0x00000280,0x0000c241,
0x0000c601,0x000006c0,0x00000780,0x0000c741,0x00000500,0x0000c5c1,0x0000c481,0x00000440,
0x0000cc01,0x00000cc0,0x00000d80,0x0000cd41,0x00000f00,0x0000cfc1,0x0000ce81,0x00000e40,
0x00000a00,0x0000cac1,0x0000cb81,0x00000b40,0x0000c901,0x000009c0,0x00000880,0x0000c841,
0x0000d801,0x000018c0,0x00001980,0x0000d941,0x00001b00,0x0000dbc1,0x0000da81,0x00001a40,
0x00001e00,0x0000dec1,0x0000df81,0x00001f40,0x0000dd01,0x00001dc0,0x00001c80,0x0000dc41,
0x00001400,0x0000d4c1,0x0000d581,0x00001540,0x0000d701,0x000017c0,0x00001680,0x0000d641,
0x0000d201,0x000012c0,0x00001380,0x0000d341,0x00001100,0x0000d1c1,0x0000d081,0x00001040,
0x0000f001,0x000030c0,0x00003180,0x0000f141,0x00003300,0x0000f3c1,0x0000f281,0x00003240,
0x00003600,0x0000f6c1,0x0000f781,0x00003740,0x0000f501,0x000035c0,0x00003480,0x0000f441,
0x00003c00,0x0000fcc1,0x0000fd81,0x00003d40,0x0000ff01,0x00003fc0,0x00003e80,0x0000fe41,
0x0000fa01,0x00003ac0,0x00003b80,0x0000fb41,0x00003900,0x0000f9c1,0x0000f881,0x00003840,
0x00002800,0x0000e8c1,0x0000e981,0x00002940,0x0000eb01,0x00002bc0,0x00002a80,0x0000ea41,
0x0000ee01,0x00002ec0,0x00002f80,0x0000ef41,0x00002d00,0x0000edc1,0x0000ec81,0x00002c40,
0x0000e401,0x000024c0,0x00002580,0x0000e541,0x00002700,0x0000e7c1,0x0000e681,0x00002640,
0x00002200,0x0000e2c1,0x0000e381,0x00002340,0x0000e101,0x000021c0,0x00002080,0x0000e041,
0x0000a001,0x000060c0,0x00006180,0x0000a141,0x00006300,0x0000a3c1,0x0000a281,0x00006240,
0x00006600,0x0000a6c1,0x0000a781,0x00006740,0x0000a501,0x000065c0,0x00006480,0x0000a441,
0x00006c00,0x0000acc1,0x0000ad81,0x00006d40,0x0000af01,0x00006fc0,0x00006e80,0x0000ae41,
0x0000aa01,0x00006ac0,0x00006b80,0x0000ab41,0x00006900,0x0000a9c1,0x0000a881,0x00006840,
0x00007800,0x0000b8c1,0x0000b981,0x00007940,0x0000bb01,0x00007bc0,0x00007a80,0x0000ba41,
0x0000be01,0x00007ec0,0x00007f80,0x0000bf41,0x00007d00,0x0000bdc1,0x0000bc81,0x00007c40,
0x0000b401,0x000074c0,0x00007580,0x0000b541,0x00007700,0x0000b7c1,0x0000b681,0x00007640,
0x00007200,0x0000b2c1,0x0000b381,0x00007340,0x0000b101,0x000071c0,0x00007080,0x0000b041,
0x00005000,0x000090c1,0x00009181,0x00005140,0x00009301,0x000053c0,0x00005280,0x00009241,
0x00009601,0x000056c0,0x00005780,0x00009741,0x00005500,0x000095c1,0x00009481,0x00005440,
0x00009c01,0x00005cc0,0x00005d80,0x00009d41,0x00005f00,0x00009fc1,0x00009e81,0x00005e40,
0x00005a00,0x00009ac1,0x00009b81,0x00005b40,0x00009901,0x000059c0,0x00005880,0x00009841,
0x00008801,0x000048c0,0x00004980,0x00008941,0x00004b00,0x00008bc1,0x00008a81,0x00004a40,
0x00004e00,0x00008ec1,0x00008f81,0x00004f40,0x00008d01,0x00004dc0,0x00004c80,0x00008c41,
0x00004400,0x000084c1,0x00008581,0x00004540,0x00008701,0x000047c0,0x00004680,0x00008641,
0x00008201,0x000042c0,0x00004380,0x00008341,0x00004100,0x000081c1,0x00008081,0x00004040,
};
const uint32_t XADCRCReverseTable_1021[256] =
{
0x00000000,0x00002110,0x00004220,0x00006330,0x00008440,0x0000a550,0x0000c660,0x0000e770,
0x00000881,0x00002991,0x00004aa1,0x00006bb1,0x00008cc1,0x0000add1,0x0000cee1,0x0000eff1,
0x00003112,0x00001002,0x00007332,0x00005222,0x0000b552,0x00009442,0x0000f772,0x0000d662,
0x00003993,0x00001883,0x00007bb3,0x00005aa3,0x0000bdd3,0x00009cc3,0x0000fff3,0x0000dee3,
0x00006224,0x00004334,0x00002004,0x00000114,0x0000e664,0x0000c774,0x0000a444,0x00008554,
0x00006aa5,0x00004bb5,0x00002885,0x00000995,0x0000eee5,0x0000cff5,0x0000acc5,0x00008dd5,
0x00005336,0x00007226,0x00001116,0x00003006,0x0000d776,0x0000f666,0x00009556,0x0000b446,
0x00005bb7,0x00007aa7,0x00001997,0x00003887,0x0000dff7,0x0000fee7,0x00009dd7,0x0000bcc7,
0x0000c448,0x0000e558,0x00008668,0x0000a778,0x00004008,0x00006118,0x00000228,0x00002338,
0x0000ccc9,0x0000edd9,0x00008ee9,0x0000aff9,0x00004889,0x00006999,0x00000aa9,0x00002bb9,
0x0000f55a,0x0000d44a,0x0000b77a,0x0000966a,0x0000711a,0x0000500a,0x0000333a,0x0000122a,
0x0000fddb,0x0000dccb,0x0000bffb,0x00009eeb,0x0000799b,0x0000588b,0x00003bbb,0x00001aab,
0x0000a66c,0x0000877c,0x0000e44c,0x0000c55c,0x0000222c,0x0000033c,0x0000600c,0x0000411c,
0x0000aeed,0x00008ffd,0x0000eccd,0x0000cddd,0x00002aad,0x00000bbd,0x0000688d,0x0000499d,
0x0000977e,0x0000b66e,0x0000d55e,0x0000f44e,0x0000133e,0x0000322e,0x0000511e,0x0000700e,
0x00009fff,0x0000beef,0x0000dddf,0x0000fccf,0x00001bbf,0x00003aaf,0x0000599f,0x0000788f,
0x00008891,0x0000a981,0x0000cab1,0x0000eba1,0x00000cd1,0x00002dc1,0x00004ef1,0x00006fe1,
0x00008010,0x0000a100,0x0000c230,0x0000e320,0x00000450,0x00002540,0x00004670,0x00006760,
0x0000b983,0x00009893,0x0000fba3,0x0000dab3,0x00003dc3,0x00001cd3,0x00007fe3,0x00005ef3,
0x0000b102,0x00009012,0x0000f322,0x0000d232,0x00003542,0x00001452,0x00007762,0x00005672,
0x0000eab5,0x0000cba5,0x0000a895,0x00008985,0x00006ef5,0x00004fe5,0x00002cd5,0x00000dc5,
0x0000e234,0x0000c324,0x0000a014,0x00008104,0x00006674,0x00004764,0x00002454,0x00000544,
0x0000dba7,0x0000fab7,0x00009987,0x0000b897,0x00005fe7,0x00007ef7,0x00001dc7,0x00003cd7,
0x0000d326,0x0000f236,0x00009106,0x0000b016,0x00005766,0x00007676,0x00001546,0x00003456,
0x00004cd9,0x00006dc9,0x00000ef9,0x00002fe9,0x0000c899,0x0000e989,0x00008ab9,0x0000aba9,
0x00004458,0x00006548,0x00000678,0x00002768,0x0000c018,0x0000e108,0x00008238,0x0000a328,
0x00007dcb,0x00005cdb,0x00003feb,0x00001efb,0x0000f98b,0x0000d89b,0x0000bbab,0x00009abb,
0x0000754a,0x0000545a,0x0000376a,0x0000167a,0x0000f10a,0x0000d01a,0x0000b32a,0x0000923a,
0x00002efd,0x00000fed,0x00006cdd,0x00004dcd,0x0000aabd,0x00008bad,0x0000e89d,0x0000c98d,
0x0000267c,0x0000076c,0x0000645c,0x0000454c,0x0000a23c,0x0000832c,0x0000e01c,0x0000c10c,
0x00001fef,0x00003eff,0x00005dcf,0x00007cdf,0x00009baf,0x0000babf,0x0000d98f,0x0000f89f,
0x0000176e,0x0000367e,0x0000554e,0x0000745e,0x0000932e,0x0000b23e,0x0000d10e,0x0000f01e,
};
const uint32_t XADCRCTable_edb88320[256] =
{
0x00000000,0x77073096,0xee0e612c,0x990951ba,0x076dc419,0x706af48f,0xe963a535,0x9e6495a3,
0x0edb8832,0x79dcb8a4,0xe0d5e91e,0x97d2d988,0x09b64c2b,0x7eb17cbd,0xe7b82d07,0x90bf1d91,
0x1db71064,0x6ab020f2,0xf3b97148,0x84be41de,0x1adad47d,0x6ddde4eb,0xf4d4b551,0x83d385c7,
0x136c9856,0x646ba8c0,0xfd62f97a,0x8a65c9ec,0x14015c4f,0x63066cd9,0xfa0f3d63,0x8d080df5,
0x3b6e20c8,0x4c69105e,0xd56041e4,0xa2677172,0x3c03e4d1,0x4b04d447,0xd20d85fd,0xa50ab56b,
0x35b5a8fa,0x42b2986c,0xdbbbc9d6,0xacbcf940,0x32d86ce3,0x45df5c75,0xdcd60dcf,0xabd13d59,
0x26d930ac,0x51de003a,0xc8d75180,0xbfd06116,0x21b4f4b5,0x56b3c423,0xcfba9599,0xb8bda50f,
0x2802b89e,0x5f058808,0xc60cd9b2,0xb10be924,0x2f6f7c87,0x58684c11,0xc1611dab,0xb6662d3d,
0x76dc4190,0x01db7106,0x98d220bc,0xefd5102a,0x71b18589,0x06b6b51f,0x9fbfe4a5,0xe8b8d433,
0x7807c9a2,0x0f00f934,0x9609a88e,0xe10e9818,0x7f6a0dbb,0x086d3d2d,0x91646c97,0xe6635c01,
0x6b6b51f4,0x1c6c6162,0x856530d8,0xf262004e,0x6c0695ed,0x1b01a57b,0x8208f4c1,0xf50fc457,
0x65b0d9c6,0x12b7e950,0x8bbeb8ea,0xfcb9887c,0x62dd1ddf,0x15da2d49,0x8cd37cf3,0xfbd44c65,
0x4db26158,0x3ab551ce,0xa3bc0074,0xd4bb30e2,0x4adfa541,0x3dd895d7,0xa4d1c46d,0xd3d6f4fb,
0x4369e96a,0x346ed9fc,0xad678846,0xda60b8d0,0x44042d73,0x33031de5,0xaa0a4c5f,0xdd0d7cc9,
0x5005713c,0x270241aa,0xbe0b1010,0xc90c2086,0x5768b525,0x206f85b3,0xb966d409,0xce61e49f,
0x5edef90e,0x29d9c998,0xb0d09822,0xc7d7a8b4,0x59b33d17,0x2eb40d81,0xb7bd5c3b,0xc0ba6cad,
0xedb88320,0x9abfb3b6,0x03b6e20c,0x74b1d29a,0xead54739,0x9dd277af,0x04db2615,0x73dc1683,
0xe3630b12,0x94643b84,0x0d6d6a3e,0x7a6a5aa8,0xe40ecf0b,0x9309ff9d,0x0a00ae27,0x7d079eb1,
0xf00f9344,0x8708a3d2,0x1e01f268,0x6906c2fe,0xf762575d,0x806567cb,0x196c3671,0x6e6b06e7,
0xfed41b76,0x89d32be0,0x10da7a5a,0x67dd4acc,0xf9b9df6f,0x8ebeeff9,0x17b7be43,0x60b08ed5,
0xd6d6a3e8,0xa1d1937e,0x38d8c2c4,0x4fdff252,0xd1bb67f1,0xa6bc5767,0x3fb506dd,0x48b2364b,
0xd80d2bda,0xaf0a1b4c,0x36034af6,0x41047a60,0xdf60efc3,0xa867df55,0x316e8eef,0x4669be79,
0xcb61b38c,0xbc66831a,0x256fd2a0,0x5268e236,0xcc0c7795,0xbb0b4703,0x220216b9,0x5505262f,
0xc5ba3bbe,0xb2bd0b28,0x2bb45a92,0x5cb36a04,0xc2d7ffa7,0xb5d0cf31,0x2cd99e8b,0x5bdeae1d,
0x9b64c2b0,0xec63f226,0x756aa39c,0x026d930a,0x9c0906a9,0xeb0e363f,0x72076785,0x05005713,
0x95bf4a82,0xe2b87a14,0x7bb12bae,0x0cb61b38,0x92d28e9b,0xe5d5be0d,0x7cdcefb7,0x0bdbdf21,
0x86d3d2d4,0xf1d4e242,0x68ddb3f8,0x1fda836e,0x81be16cd,0xf6b9265b,0x6fb077e1,0x18b74777,
0x88085ae6,0xff0f6a70,0x66063bca,0x11010b5c,0x8f659eff,0xf862ae69,0x616bffd3,0x166ccf45,
0xa00ae278,0xd70dd2ee,0x4e048354,0x3903b3c2,0xa7672661,0xd06016f7,0x4969474d,0x3e6e77db,
0xaed16a4a,0xd9d65adc,0x40df0b66,0x37d83bf0,0xa9bcae53,0xdebb9ec5,0x47b2cf7f,0x30b5ffe9,
0xbdbdf21c,0xcabac28a,0x53b39330,0x24b4a3a6,0xbad03605,0xcdd70693,0x54de5729,0x23d967bf,
0xb3667a2e,0xc4614ab8,0x5d681b02,0x2a6f2b94,0xb40bbe37,0xc30c8ea1,0x5a05df1b,0x2d02ef8d,
};
const uint64_t XADCRCTable_c96c5795d7870f42[256] =
{
0x0000000000000000,0xb32e4cbe03a75f6f,0xf4843657a840a05b,0x47aa7ae9abe7ff34,
0x7bd0c384ff8f5e33,0xc8fe8f3afc28015c,0x8f54f5d357cffe68,0x3c7ab96d5468a107,
0xf7a18709ff1ebc66,0x448fcbb7fcb9e309,0x0325b15e575e1c3d,0xb00bfde054f94352,
0x8c71448d0091e255,0x3f5f08330336bd3a,0x78f572daa8d1420e,0xcbdb3e64ab761d61,
0x7d9ba13851336649,0xceb5ed8652943926,0x891f976ff973c612,0x3a31dbd1fad4997d,
0x064b62bcaebc387a,0xb5652e02ad1b6715,0xf2cf54eb06fc9821,0x41e11855055bc74e,
0x8a3a2631ae2dda2f,0x39146a8fad8a8540,0x7ebe1066066d7a74,0xcd905cd805ca251b,
0xf1eae5b551a2841c,0x42c4a90b5205db73,0x056ed3e2f9e22447,0xb6409f5cfa457b28,
0xfb374270a266cc92,0x48190ecea1c193fd,0x0fb374270a266cc9,0xbc9d3899098133a6,
0x80e781f45de992a1,0x33c9cd4a5e4ecdce,0x7463b7a3f5a932fa,0xc74dfb1df60e6d95,
0x0c96c5795d7870f4,0xbfb889c75edf2f9b,0xf812f32ef538d0af,0x4b3cbf90f69f8fc0,
0x774606fda2f72ec7,0xc4684a43a15071a8,0x83c230aa0ab78e9c,0x30ec7c140910d1f3,
0x86ace348f355aadb,0x3582aff6f0f2f5b4,0x7228d51f5b150a80,0xc10699a158b255ef,
0xfd7c20cc0cdaf4e8,0x4e526c720f7dab87,0x09f8169ba49a54b3,0xbad65a25a73d0bdc,
0x710d64410c4b16bd,0xc22328ff0fec49d2,0x85895216a40bb6e6,0x36a71ea8a7ace989,
0x0adda7c5f3c4488e,0xb9f3eb7bf06317e1,0xfe5991925b84e8d5,0x4d77dd2c5823b7ba,
0x64b62bcaebc387a1,0xd7986774e864d8ce,0x90321d9d438327fa,0x231c512340247895,
0x1f66e84e144cd992,0xac48a4f017eb86fd,0xebe2de19bc0c79c9,0x58cc92a7bfab26a6,
0x9317acc314dd3bc7,0x2039e07d177a64a8,0x67939a94bc9d9b9c,0xd4bdd62abf3ac4f3,
0xe8c76f47eb5265f4,0x5be923f9e8f53a9b,0x1c4359104312c5af,0xaf6d15ae40b59ac0,
0x192d8af2baf0e1e8,0xaa03c64cb957be87,0xeda9bca512b041b3,0x5e87f01b11171edc,
0x62fd4976457fbfdb,0xd1d305c846d8e0b4,0x96797f21ed3f1f80,0x2557339fee9840ef,
0xee8c0dfb45ee5d8e,0x5da24145464902e1,0x1a083bacedaefdd5,0xa9267712ee09a2ba,
0x955cce7fba6103bd,0x267282c1b9c65cd2,0x61d8f8281221a3e6,0xd2f6b4961186fc89,
0x9f8169ba49a54b33,0x2caf25044a02145c,0x6b055fede1e5eb68,0xd82b1353e242b407,
0xe451aa3eb62a1500,0x577fe680b58d4a6f,0x10d59c691e6ab55b,0xa3fbd0d71dcdea34,
0x6820eeb3b6bbf755,0xdb0ea20db51ca83a,0x9ca4d8e41efb570e,0x2f8a945a1d5c0861,
0x13f02d374934a966,0xa0de61894a93f609,0xe7741b60e174093d,0x545a57dee2d35652,
0xe21ac88218962d7a,0x5134843c1b317215,0x169efed5b0d68d21,0xa5b0b26bb371d24e,
0x99ca0b06e7197349,0x2ae447b8e4be2c26,0x6d4e3d514f59d312,0xde6071ef4cfe8c7d,
0x15bb4f8be788911c,0xa6950335e42fce73,0xe13f79dc4fc83147,0x521135624c6f6e28,
0x6e6b8c0f1807cf2f,0xdd45c0b11ba09040,0x9aefba58b0476f74,0x29c1f6e6b3e0301b,
0xc96c5795d7870f42,0x7a421b2bd420502d,0x3de861c27fc7af19,0x8ec62d7c7c60f076,
0xb2bc941128085171,0x0192d8af2baf0e1e,0x4638a2468048f12a,0xf516eef883efae45,
0x3ecdd09c2899b324,0x8de39c222b3eec4b,0xca49e6cb80d9137f,0x7967aa75837e4c10,
0x451d1318d716ed17,0xf6335fa6d4b1b278,0xb199254f7f564d4c,0x02b769f17cf11223,
0xb4f7f6ad86b4690b,0x07d9ba1385133664,0x4073c0fa2ef4c950,0xf35d8c442d53963f,
0xcf273529793b3738,0x7c0979977a9c6857,0x3ba3037ed17b9763,0x888d4fc0d2dcc80c,
0x435671a479aad56d,0xf0783d1a7a0d8a02,0xb7d247f3d1ea7536,0x04fc0b4dd24d2a59,
0x3886b22086258b5e,0x8ba8fe9e8582d431,0xcc0284772e652b05,0x7f2cc8c92dc2746a,
0x325b15e575e1c3d0,0x8175595b76469cbf,0xc6df23b2dda1638b,0x75f16f0cde063ce4,
0x498bd6618a6e9de3,0xfaa59adf89c9c28c,0xbd0fe036222e3db8,0x0e21ac88218962d7,
0xc5fa92ec8aff7fb6,0x76d4de52895820d9,0x317ea4bb22bfdfed,0x8250e80521188082,
0xbe2a516875702185,0x0d041dd676d77eea,0x4aae673fdd3081de,0xf9802b81de97deb1,
0x4fc0b4dd24d2a599,0xfceef8632775faf6,0xbb44828a8c9205c2,0x086ace348f355aad,
0x34107759db5dfbaa,0x873e3be7d8faa4c5,0xc094410e731d5bf1,0x73ba0db070ba049e,
0xb86133d4dbcc19ff,0x0b4f7f6ad86b4690,0x4ce50583738cb9a4,0xffcb493d702be6cb,
0xc3b1f050244347cc,0x709fbcee27e418a3,0x3735c6078c03e797,0x841b8ab98fa4b8f8,
0xadda7c5f3c4488e3,0x1ef430e13fe3d78c,0x595e4a08940428b8,0xea7006b697a377d7,
0xd60abfdbc3cbd6d0,0x6524f365c06c89bf,0x228e898c6b8b768b,0x91a0c532682c29e4,
0x5a7bfb56c35a3485,0xe955b7e8c0fd6bea,0xaeffcd016b1a94de,0x1dd181bf68bdcbb1,
0x21ab38d23cd56ab6,0x9285746c3f7235d9,0xd52f0e859495caed,0x6601423b97329582,
0xd041dd676d77eeaa,0x636f91d96ed0b1c5,0x24c5eb30c5374ef1,0x97eba78ec690119e,
0xab911ee392f8b099,0x18bf525d915feff6,0x5f1528b43ab810c2,0xec3b640a391f4fad,
0x27e05a6e926952cc,0x94ce16d091ce0da3,0xd3646c393a29f297,0x604a2087398eadf8,
0x5c3099ea6de60cff,0xef1ed5546e415390,0xa8b4afbdc5a6aca4,0x1b9ae303c601f3cb,
0x56ed3e2f9e224471,0xe5c372919d851b1e,0xa26908783662e42a,0x114744c635c5bb45,
0x2d3dfdab61ad1a42,0x9e13b115620a452d,0xd9b9cbfcc9edba19,0x6a978742ca4ae576,
0xa14cb926613cf817,0x1262f598629ba778,0x55c88f71c97c584c,0xe6e6c3cfcadb0723,
0xda9c7aa29eb3a624,0x69b2361c9d14f94b,0x2e184cf536f3067f,0x9d36004b35545910,
0x2b769f17cf112238,0x9858d3a9ccb67d57,0xdff2a94067518263,0x6cdce5fe64f6dd0c,
0x50a65c93309e7c0b,0xe388102d33392364,0xa4226ac498dedc50,0x170c267a9b79833f,
0xdcd7181e300f9e5e,0x6ff954a033a8c131,0x28532e49984f3e05,0x9b7d62f79be8616a,
0xa707db9acf80c06d,0x14299724cc279f02,0x5383edcd67c06036,0xe0ada17364673f59,
};

16
unpacktool/CRC.h Normal file
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@@ -0,0 +1,16 @@
#pragma once
#include <stdint.h>
uint32_t XADCRC(uint32_t prevcrc, uint8_t byte, const uint32_t *table);
uint32_t XADCalculateCRC(uint32_t prevcrc, const uint8_t *buffer, int length, const uint32_t *table);
uint64_t XADCRC64(uint64_t prevcrc, uint8_t byte, const uint64_t *table);
uint64_t XADCalculateCRC64(uint64_t prevcrc, const uint8_t *buffer, int length, const uint64_t *table);
int XADUnReverseCRC16(int val);
extern const uint32_t XADCRCTable_a001[256];
extern const uint32_t XADCRCReverseTable_1021[256];
extern const uint32_t XADCRCTable_edb88320[256];
extern const uint64_t XADCRCTable_c96c5795d7870f42[256];

379
unpacktool/CSInputBuffer.cpp Normal file
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@@ -0,0 +1,379 @@
#include "CSInputBuffer.h"
#include "IFileReader.h"
#include <stdlib.h>
#include <string.h>
// Allocation and management
CSInputBuffer *CSInputBufferAlloc(IFileReader *parent, int size)
{
CSInputBuffer *self = static_cast<CSInputBuffer*>(malloc(sizeof(CSInputBuffer) + size));
if (!self) return NULL;
self->parent = parent;
self->startoffs = parent->GetPosition();
self->eof = false;
self->buffer = (uint8_t *)&self[1];
self->bufsize = size;
self->bufbytes = 0;
self->currbyte = 0;
self->bits = 0;
self->numbits = 0;
return self;
}
CSInputBuffer *CSInputBufferAllocWithBuffer(const uint8_t *buffer, int length, IFileReader::FilePos_t startoffs)
{
CSInputBuffer *self = static_cast<CSInputBuffer*>(malloc(sizeof(CSInputBuffer)));
if (!self) return NULL;
self->parent = NULL;
self->startoffs = -startoffs;
self->eof = true;
self->buffer = (uint8_t *)buffer; // Since eof is set, the buffer won't be written to.
self->bufsize = length;
self->bufbytes = length;
self->currbyte = 0;
self->bits = 0;
self->numbits = 0;
return self;
}
CSInputBuffer *CSInputBufferAllocEmpty()
{
CSInputBuffer *self = static_cast<CSInputBuffer*>(malloc(sizeof(CSInputBuffer)));
if (!self) return NULL;
self->parent = NULL;
self->startoffs = 0;
self->eof = true;
self->buffer = NULL;
self->bufsize = 0;
self->bufbytes = 0;
self->currbyte = 0;
self->bits = 0;
self->numbits = 0;
return self;
}
void CSInputBufferFree(CSInputBuffer *self)
{
free(self);
}
void CSInputSetMemoryBuffer(CSInputBuffer *self, uint8_t *buffer, int length, IFileReader::FilePos_t startoffs)
{
self->eof = true;
self->startoffs = -startoffs;
self->buffer = buffer;
self->bufsize = length;
self->bufbytes = length;
self->currbyte = 0;
self->bits = 0;
self->numbits = 0;
}
// Buffer and file positioning
void CSInputRestart(CSInputBuffer *self)
{
CSInputSeekToFileOffset(self, self->startoffs);
}
void CSInputFlush(CSInputBuffer *self)
{
self->currbyte = self->bufbytes = 0;
self->bits = 0;
self->numbits = 0;
}
void CSInputSynchronizeFileOffset(CSInputBuffer *self)
{
CSInputSeekToFileOffset(self, CSInputFileOffset(self));
}
void CSInputSeekToFileOffset(CSInputBuffer *self, IFileReader::FilePos_t offset)
{
self->parent->SeekStart(offset);
self->eof = false;
CSInputFlush(self);
}
void CSInputSeekToBufferOffset(CSInputBuffer *self, IFileReader::FilePos_t offset)
{
CSInputSeekToFileOffset(self, offset + self->startoffs);
}
void CSInputSetStartOffset(CSInputBuffer *self, IFileReader::FilePos_t offset)
{
self->startoffs = offset;
}
IFileReader::FilePos_t CSInputBufferOffset(CSInputBuffer *self)
{
return CSInputFileOffset(self) - self->startoffs;
}
IFileReader::FilePos_t CSInputFileOffset(CSInputBuffer *self)
{
if (self->parent) return self->parent->GetPosition() - self->bufbytes + self->currbyte;
else return self->currbyte;
}
IFileReader::FilePos_t CSInputBufferBitOffset(CSInputBuffer *self)
{
return CSInputBufferOffset(self) * 8 - (self->numbits & 7);
}
// Byte reading
void _CSInputFillBuffer(CSInputBuffer *self)
{
int left = _CSInputBytesLeftInBuffer(self);
if (left >= 0) memmove(self->buffer, self->buffer + self->currbyte, left);
else
{
self->parent->SeekCurrent(-left);
left = 0;
}
int actual = self->parent->Read(self->buffer + left, self->bufsize - left);
if (actual == 0) self->eof = true;
self->bufbytes = left + actual;
self->currbyte = 0;
}
// Bitstream reading
// TODO: clean up and/or make faster
bool _CSInputFillBits(CSInputBuffer *self)
{
_CSInputCheckAndFillBuffer(self);
int numbytes = (32 - self->numbits) >> 3;
int left = _CSInputBytesLeftInBuffer(self);
if (numbytes > left) numbytes = left;
int startoffset = self->numbits >> 3;
// int shift=24-self->numbits;
// for(int i=0;i<numbytes;i++)
// {
// self->bits|=_CSInputPeekByteWithoutEOF(self,i+startoffset)<<shift;
// shift-=8;
// }
switch (numbytes)
{
case 4:
self->bits =
(_CSInputPeekByteWithoutEOF(self, startoffset) << 24) |
(_CSInputPeekByteWithoutEOF(self, startoffset + 1) << 16) |
(_CSInputPeekByteWithoutEOF(self, startoffset + 2) << 8) |
_CSInputPeekByteWithoutEOF(self, startoffset + 3);
break;
case 3:
self->bits |= (
(_CSInputPeekByteWithoutEOF(self, startoffset) << 16) |
(_CSInputPeekByteWithoutEOF(self, startoffset + 1) << 8) |
(_CSInputPeekByteWithoutEOF(self, startoffset + 2) << 0)
) << (8 - self->numbits);
break;
case 2:
self->bits |= (
(_CSInputPeekByteWithoutEOF(self, startoffset) << 8) |
(_CSInputPeekByteWithoutEOF(self, startoffset + 1) << 0)
) << (16 - self->numbits);
break;
case 1:
self->bits |= _CSInputPeekByteWithoutEOF(self, startoffset) << (24 - self->numbits);
break;
}
self->numbits += numbytes * 8;
return true;
}
bool _CSInputFillBitsLE(CSInputBuffer *self)
{
_CSInputCheckAndFillBuffer(self);
int numbytes = (32 - self->numbits) >> 3;
int left = _CSInputBytesLeftInBuffer(self);
if (numbytes > left) numbytes = left;
int startoffset = self->numbits >> 3;
for (int i = 0; i < numbytes; i++)
{
self->bits |= _CSInputPeekByteWithoutEOF(self, i + startoffset) << self->numbits;
self->numbits += 8;
}
return true;
}
bool CSInputNextBit(CSInputBuffer *self, unsigned int &bit)
{
if (!CSInputPeekBitString(self, 1, bit))
return false;
return CSInputSkipPeekedBits(self, 1);
}
bool CSInputNextBitLE(CSInputBuffer *self, unsigned int &bit)
{
if (!CSInputPeekBitStringLE(self, 1, bit))
return false;
return CSInputSkipPeekedBitsLE(self, 1);
}
bool CSInputNextBitString(CSInputBuffer *self, int numbits, unsigned int &bits)
{
if (numbits == 0)
{
bits = 0;
return true;
}
if (!CSInputPeekBitString(self, numbits, bits))
return false;
return CSInputSkipPeekedBits(self, numbits);
}
bool CSInputNextBitStringLE(CSInputBuffer *self, int numbits, unsigned int &bits)
{
if (numbits == 0)
{
bits = 0;
return true;
}
if (!CSInputPeekBitStringLE(self, numbits, bits))
return false;
if (!CSInputSkipPeekedBitsLE(self, numbits))
return false;
return true;
}
bool CSInputNextLongBitString(CSInputBuffer *self, int numbits, unsigned int &bits)
{
if (numbits <= 25)
return CSInputNextBitString(self, numbits, bits);
else
{
int rest = numbits - 25;
unsigned int readBits;
if (!CSInputNextBitString(self, 25, readBits))
return false;
readBits <<= rest;
unsigned int moreBits;
if (!CSInputNextBitString(self, rest, moreBits))
return false;
bits = (readBits | moreBits);
return true;
}
}
bool CSInputNextLongBitStringLE(CSInputBuffer *self, int numbits, unsigned int &bits)
{
if (numbits <= 25)
return CSInputNextBitStringLE(self, numbits, bits);
else
{
int rest = numbits - 25;
unsigned int readBits;
if (!CSInputNextBitStringLE(self, 25, readBits))
return false;
unsigned int moreBits;
if (!CSInputNextBitStringLE(self, rest, moreBits))
return false;
bits = (readBits | (moreBits << 25));
return true;
}
}
bool CSInputSkipBits(CSInputBuffer *self, int numbits)
{
if (numbits <= self->numbits)
return CSInputSkipPeekedBits(self, numbits);
else
{
int skipbits = numbits - (self->numbits & 7);
CSInputSkipToByteBoundary(self);
CSInputSkipBytes(self, skipbits >> 3);
if (skipbits & 7)
{
unsigned int scratch;
if (!CSInputNextBitString(self, skipbits & 7, scratch))
return false;
}
return true;
}
}
bool CSInputSkipBitsLE(CSInputBuffer *self, int numbits)
{
if (numbits <= self->numbits)
return CSInputSkipPeekedBitsLE(self, numbits);
else
{
int skipbits = numbits - (self->numbits & 7);
CSInputSkipToByteBoundary(self);
CSInputSkipBytes(self, skipbits >> 3);
if (skipbits & 7)
{
unsigned int scratch;
if (!CSInputNextBitStringLE(self, skipbits & 7, scratch))
return false;
}
return true;
}
}
bool CSInputOnByteBoundary(CSInputBuffer *self)
{
return (self->numbits & 7) == 0;
}
bool CSInputSkipToByteBoundary(CSInputBuffer *self)
{
self->bits = 0;
self->numbits = 0;
return true;
}
bool CSInputSkipTo16BitBoundary(CSInputBuffer *self)
{
if (!CSInputSkipToByteBoundary(self))
return false;
if (CSInputBufferOffset(self) & 1)
{
if (!CSInputSkipBytes(self, 1))
return false;
}
return true;
}

232
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#pragma once
#include <stdint.h>
#include "UPByteSwap.h"
#include "IFileReader.h"
struct IFileReader;
struct CSInputBuffer
{
IFileReader *parent;
IFileReader::FilePos_t startoffs;
bool eof;
uint8_t *buffer;
unsigned int bufsize, bufbytes, currbyte;
uint32_t bits;
unsigned int numbits;
};
// Allocation and management
CSInputBuffer *CSInputBufferAlloc(IFileReader *parent, int size);
CSInputBuffer *CSInputBufferAllocWithBuffer(const uint8_t *buffer, int length, IFileReader::FilePos_t startoffs);
CSInputBuffer *CSInputBufferAllocEmpty();
void CSInputBufferFree(CSInputBuffer *self);
void CSInputSetMemoryBuffer(CSInputBuffer *self, uint8_t *buffer, int length, size_t startoffs);
static inline IFileReader *CSInputHandle(CSInputBuffer *self)
{
return self->parent;
}
// Buffer and file positioning
void CSInputRestart(CSInputBuffer *self);
void CSInputFlush(CSInputBuffer *self);
void CSInputSynchronizeFileOffset(CSInputBuffer *self);
void CSInputSeekToFileOffset(CSInputBuffer *self, IFileReader::FilePos_t offset);
void CSInputSeekToBufferOffset(CSInputBuffer *self, IFileReader::FilePos_t offset);
void CSInputSetStartOffset(CSInputBuffer *self, IFileReader::FilePos_t offset);
IFileReader::FilePos_t CSInputBufferOffset(CSInputBuffer *self);
IFileReader::FilePos_t CSInputFileOffset(CSInputBuffer *self);
IFileReader::FilePos_t CSInputBufferBitOffset(CSInputBuffer *self);
void _CSInputFillBuffer(CSInputBuffer *self);
// Byte reading
#define CSInputBufferLookAhead 4
static inline int _CSInputBytesLeftInBuffer(CSInputBuffer *self)
{
return self->bufbytes - self->currbyte;
}
static inline void _CSInputCheckAndFillBuffer(CSInputBuffer *self)
{
if (!self->eof&&_CSInputBytesLeftInBuffer(self) <= CSInputBufferLookAhead) _CSInputFillBuffer(self);
}
static inline bool CSInputSkipBytes(CSInputBuffer *self, int num)
{
self->currbyte += num;
return true;
}
static inline int _CSInputPeekByteWithoutEOF(CSInputBuffer *self, int offs)
{
return self->buffer[self->currbyte + offs];
}
static inline bool CSInputPeekByte(CSInputBuffer *self, int offs, int &byte)
{
_CSInputCheckAndFillBuffer(self);
if (offs >= _CSInputBytesLeftInBuffer(self))
{
byte = -1;
return true;
}
byte = _CSInputPeekByteWithoutEOF(self, offs);
return true;
}
static inline bool CSInputNextByte(CSInputBuffer *self, int &byte)
{
if (!CSInputPeekByte(self, 0, byte))
return false;
if (!CSInputSkipBytes(self, 1))
return false;
return true;
}
static inline bool CSInputAtEOF(CSInputBuffer *self, bool &isEOF)
{
_CSInputCheckAndFillBuffer(self);
isEOF = _CSInputBytesLeftInBuffer(self) <= 0;
return true;
}
// Bitstream reading
bool _CSInputFillBits(CSInputBuffer *self);
bool _CSInputFillBitsLE(CSInputBuffer *self);
bool CSInputNextBit(CSInputBuffer *self, unsigned int &bit);
bool CSInputNextBitLE(CSInputBuffer *self, unsigned int &bit);
bool CSInputNextBitString(CSInputBuffer *self, int numbits, unsigned int &bits);
bool CSInputNextBitStringLE(CSInputBuffer *self, int numbits, unsigned int &bits);
bool CSInputNextLongBitString(CSInputBuffer *self, int numbits, unsigned int &bits);
bool CSInputNextLongBitStringLE(CSInputBuffer *self, int numbits, unsigned int &bits);
bool CSInputSkipBits(CSInputBuffer *self, int numbits);
bool CSInputSkipBitsLE(CSInputBuffer *self, int numbits);
bool CSInputOnByteBoundary(CSInputBuffer *self);
bool CSInputSkipToByteBoundary(CSInputBuffer *self);
bool CSInputSkipTo16BitBoundary(CSInputBuffer *self);
static inline unsigned int CSInputBitsLeftInBuffer(CSInputBuffer *self)
{
_CSInputCheckAndFillBuffer(self);
return _CSInputBytesLeftInBuffer(self) * 8 + (self->numbits & 7);
}
static inline bool _CSInputCheckAndFillBits(CSInputBuffer *self, int numbits)
{
if (static_cast<unsigned int>(numbits) > self->numbits)
return _CSInputFillBits(self);
return true;
}
static inline bool _CSInputCheckAndFillBitsLE(CSInputBuffer *self, int numbits)
{
if (static_cast<unsigned int>(numbits) > self->numbits)
return _CSInputFillBitsLE(self);
return true;
}
static inline bool CSInputPeekBitString(CSInputBuffer *self, int numbits, unsigned int &bits)
{
if (numbits == 0)
{
bits = 0;
return true;
}
if (!_CSInputCheckAndFillBits(self, numbits))
return false;
bits = self->bits >> (32 - numbits);
return true;
}
static inline bool CSInputPeekBitStringLE(CSInputBuffer *self, int numbits, unsigned int &bits)
{
if (numbits == 0)
{
bits = 0;
return true;
}
if (!_CSInputCheckAndFillBitsLE(self, numbits))
return false;
bits = self->bits&((1 << numbits) - 1);
return true;
}
static inline bool CSInputSkipPeekedBits(CSInputBuffer *self, int numbits)
{
int numbytes = (numbits - (self->numbits & 7) + 7) >> 3;
CSInputSkipBytes(self, numbytes);
if (_CSInputBytesLeftInBuffer(self) < 0)
return false;
self->bits <<= numbits;
self->numbits -= numbits;
return true;
}
static inline bool CSInputSkipPeekedBitsLE(CSInputBuffer *self, int numbits)
{
int numbytes = (numbits - (self->numbits & 7) + 7) >> 3;
CSInputSkipBytes(self, numbytes);
if (_CSInputBytesLeftInBuffer(self) < 0)
return false;
self->bits >>= numbits;
self->numbits -= numbits;
return true;
}
// Multibyte reading
#define CSInputNextValueImpl(type,name,conv) \
static inline type name(CSInputBuffer *self) \
{ \
_CSInputCheckAndFillBuffer(self); \
type val=conv(self->buffer+self->currbyte); \
CSInputSkipBytes(self,sizeof(type)); \
return val; \
}
CSInputNextValueImpl(int16_t, CSInputNextInt16LE, ParseInt16LE)
CSInputNextValueImpl(int32_t, CSInputNextInt32LE, ParseInt32LE)
CSInputNextValueImpl(uint16_t, CSInputNextUInt16LE, ParseUInt16LE)
CSInputNextValueImpl(uint32_t, CSInputNextUInt32LE, ParseUInt32LE)
CSInputNextValueImpl(int16_t, CSInputNextInt16BE, ParseInt16BE)
CSInputNextValueImpl(int32_t, CSInputNextInt32BE, ParseInt32BE)
CSInputNextValueImpl(uint16_t, CSInputNextUInt16BE, ParseUInt16BE)
CSInputNextValueImpl(uint32_t, CSInputNextUInt32BE, ParseUInt32BE)

129
unpacktool/CompactProLZHDecompressor.cpp Normal file
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#include "CompactProLZHDecompressor.h"
#include "CSInputBuffer.h"
#include "PrefixCode.h"
CompactProLZHDecompressor::CompactProLZHDecompressor(int blocksize)
: LZSSDecompressor(8192)
, literalcode(nullptr)
, lengthcode(nullptr)
, offsetcode(nullptr)
, blocksize(blocksize)
, blockcount(0)
, blockstart(0)
{
}
CompactProLZHDecompressor::~CompactProLZHDecompressor()
{
delete literalcode;
delete lengthcode;
delete offsetcode;
}
bool CompactProLZHDecompressor::resetLZSSHandle()
{
blockcount = blocksize;
blockstart = 0;
return true;
}
bool CompactProLZHDecompressor::nextLiteralOrOffset(int *offset, int *length, int &result)
{
if (blockcount >= blocksize)
{
if (blockstart)
{
// Don't let your bad implementations leak into your file formats, people!
if (!CSInputSkipToByteBoundary(input))
return false;
if ((CSInputBufferOffset(input) - blockstart) & 1)
{
if (!CSInputSkipBytes(input, 3))
return false;
}
else
{
if (!CSInputSkipBytes(input, 2))
return false;
}
}
delete literalcode;
delete lengthcode;
delete offsetcode;
literalcode = lengthcode = offsetcode = nullptr;
literalcode = allocAndParseCodeOfSize(256);
if (!literalcode)
return false;
lengthcode = allocAndParseCodeOfSize(64);
if (!lengthcode)
return false;
offsetcode = allocAndParseCodeOfSize(128);
if (!offsetcode)
return false;
blockcount = 0;
blockstart = CSInputBufferOffset(input);
}
unsigned int nextBit;
if (!CSInputNextBit(input, nextBit))
return false;
if (nextBit)
{
blockcount += 2;
return CSInputNextSymbolUsingCode(input, literalcode, result);
}
else
{
blockcount += 3;
if (!CSInputNextSymbolUsingCode(input, lengthcode, *length))
return false;
int offsetSym;
if (!CSInputNextSymbolUsingCode(input, offsetcode, offsetSym))
return false;
unsigned int offsetBits;
if (!CSInputNextBitString(input, 6, offsetBits))
return false;
*offset = offsetSym << 6;
*offset |= offsetBits;
result = XADLZSSMatch;
return true;
}
result = XADLZSSEnd;
return true;
}
XADPrefixCode *CompactProLZHDecompressor::allocAndParseCodeOfSize(int size)
{
int numbytes;
if (!CSInputNextByte(input, numbytes))
return nullptr;
if (numbytes * 2 > size)
return nullptr;
std::vector<int> codelengths;
codelengths.resize(size);
for (int i = 0; i < numbytes; i++)
{
int val;
if (!CSInputNextByte(input, val))
return nullptr;
codelengths[2 * i] = val >> 4;
codelengths[2 * i + 1] = val & 0x0f;
}
for (int i = numbytes * 2; i < size; i++) codelengths[i] = 0;
return XADPrefixCode::prefixCodeWithLengths(codelengths.data(), size, 15, true);
}

23
unpacktool/CompactProLZHDecompressor.h Normal file
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#pragma once
#include "LZSSDecompressor.h"
#include "IFileReader.h"
class XADPrefixCode;
class CompactProLZHDecompressor : public LZSSDecompressor
{
public:
explicit CompactProLZHDecompressor(int blocksize);
~CompactProLZHDecompressor();
private:
bool nextLiteralOrOffset(int *offset, int *length, int &result) override;
bool resetLZSSHandle() override;
XADPrefixCode *allocAndParseCodeOfSize(int size);
XADPrefixCode *literalcode, *lengthcode, *offsetcode;
int blocksize, blockcount;
IFileReader::FilePos_t blockstart;
};

53
unpacktool/CompactProLZHRLEDecompressor.cpp Normal file
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#include "CompactProLZHRLEDecompressor.h"
#include "CompactProRLEDecompressor.h"
#include "CompactProLZHDecompressor.h"
#include "DecompressorProxyReader.h"
CompactProLZHRLEDecompressor::CompactProLZHRLEDecompressor(int blockSize)
: m_proxyReader(nullptr)
, m_proxyInput(nullptr)
, m_lzhDecompressor(nullptr)
, m_rleDecompressor(nullptr)
, m_blockSize(blockSize)
{
}
CompactProLZHRLEDecompressor::~CompactProLZHRLEDecompressor()
{
delete m_rleDecompressor;
delete m_lzhDecompressor;
delete m_proxyReader;
CSInputBufferFree(m_proxyInput);
}
bool CompactProLZHRLEDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
delete m_rleDecompressor;
delete m_lzhDecompressor;
delete m_proxyReader;
CSInputBufferFree(m_proxyInput);
m_rleDecompressor = nullptr;
m_lzhDecompressor = nullptr;
m_proxyReader = nullptr;
m_proxyInput = nullptr;
m_lzhDecompressor = nullptr;
m_proxyReader = nullptr;
m_lzhDecompressor = new CompactProLZHDecompressor(m_blockSize);
m_proxyReader = new DecompressorProxyReader(m_lzhDecompressor);
// FIXME maybe: This is a really stupid workaround to compensate for the decompressor not actually supporting EOFs, and the fact that we don't know the intermediate size
m_proxyInput = CSInputBufferAlloc(m_proxyReader, 1);
m_rleDecompressor = new CompactProRLEDecompressor();
if (!m_lzhDecompressor->Reset(input, compressedSize, 0))
return false;
if (!m_rleDecompressor->Reset(m_proxyInput, 0, decompressedSize))
return false;
return true;
}
bool CompactProLZHRLEDecompressor::ReadBytes(void *dest, size_t numBytes)
{
return m_rleDecompressor->ReadBytes(dest, numBytes);
}

26
unpacktool/CompactProLZHRLEDecompressor.h Normal file
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#pragma once
#include "IDecompressor.h"
#include "PrefixCode.h"
struct IFileReader;
class IDecompressor;
class CompactProLZHDecompressor;
class CompactProRLEDecompressor;
class CompactProLZHRLEDecompressor : public IDecompressor
{
public:
explicit CompactProLZHRLEDecompressor(int blockSize);
~CompactProLZHRLEDecompressor();
bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) override;
bool ReadBytes(void *dest, size_t numBytes) override;
private:
IFileReader *m_proxyReader;
CSInputBuffer *m_proxyInput;
IDecompressor *m_lzhDecompressor;
IDecompressor *m_rleDecompressor;
int m_blockSize;
};

213
unpacktool/CompactProParser.cpp Normal file
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#include "CompactProParser.h"
#include "IFileReader.h"
#include "UPByteSwap.h"
#include "PLBigEndian.h"
#include "CRC.h"
#include "ArchiveDescription.h"
#include "StringCommon.h"
#include <stdint.h>
bool CompactProParser::Check(IFileReader &reader)
{
uint8_t bytes[8];
if (!reader.SeekStart(0))
return false;
if (!reader.ReadExact(bytes, sizeof(bytes)))
return false;
if (bytes[0] != 1)
return false;
uint32_t offset = ParseUInt32BE(bytes + 4);
if (offset > reader.FileSize() - 7)
return false;
if (!reader.SeekStart(offset))
return false;
uint8_t buf[256];
if (!reader.ReadExact(buf, 4))
return false;
uint32_t correctcrc = ParseUInt32BE(buf);
uint32_t crc = 0xffffffff;
if (!reader.ReadExact(buf, 3))
return false;
crc = XADCalculateCRC(crc, buf, 3, XADCRCTable_edb88320);
int numentries = ParseUInt16BE(buf);
int commentsize = buf[2];
if (!reader.ReadExact(buf, commentsize))
return false;
crc = XADCalculateCRC(crc, buf, commentsize, XADCRCTable_edb88320);
for (int i = 0; i < numentries; i++)
{
uint8_t namelen;
if (!reader.ReadExact(&namelen, 1))
return false;
crc = XADCRC(crc, namelen, XADCRCTable_edb88320);
if (!reader.ReadExact(buf, namelen & 0x7f))
return false;
crc = XADCalculateCRC(crc, buf, namelen & 0x7f, XADCRCTable_edb88320);
int metadatasize;
if (namelen & 0x80)
metadatasize = 2;
else
metadatasize = 45;
if (!reader.ReadExact(buf, metadatasize))
return false;
crc = XADCalculateCRC(crc, buf, metadatasize, XADCRCTable_edb88320);
}
if (crc == correctcrc)
return true;
return false;
}
struct CompactProArchiveHeader
{
uint8_t m_marker;
uint8_t m_volume;
BEUInt16_t m_xmagic;
BEUInt32_t m_catalogOffset;
};
struct CompactProCatalogHeader
{
BEUInt32_t m_headerCRC;
BEUInt16_t m_numEntries;
uint8_t m_commentLength;
};
struct CompactProCatalogFileEntry
{
uint8_t m_volume;
BEUInt32_t m_fileOffset;
uint8_t m_fileType[4];
uint8_t m_fileCreator[4];
BEUInt32_t m_creationDate;
BEUInt32_t m_modificationDate;
BEUInt16_t m_finderFlags;
BEUInt32_t m_crc;
BEUInt16_t m_flags;
BEUInt32_t m_resUncompressedSize;
BEUInt32_t m_dataUncompressedSize;
BEUInt32_t m_resCompressedSize;
BEUInt32_t m_dataCompressedSize;
};
ArchiveItemList *CompactProParser::Parse(IFileReader &reader)
{
if (!reader.SeekStart(0))
return nullptr;
CompactProArchiveHeader arcHeader;
if (!reader.ReadExact(&arcHeader, sizeof(arcHeader)))
return nullptr;
if (!reader.SeekStart(arcHeader.m_catalogOffset))
return nullptr;
CompactProCatalogHeader catHeader;
if (!reader.ReadExact(&catHeader, sizeof(catHeader)))
return nullptr;
if (!reader.SeekCurrent(catHeader.m_commentLength))
return nullptr;
return ParseDirectory(catHeader.m_numEntries, reader);
}
ArchiveItemList *CompactProParser::ParseDirectory(uint32_t numEntries, IFileReader &reader)
{
ArchiveItemList itemList;
for (uint32_t itemIndex = 0; itemIndex < numEntries; itemIndex++)
{
itemList.m_items.push_back(ArchiveItem());
ArchiveItem &item = itemList.m_items.back();
uint8_t nameLengthAndDirFlag;
if (!reader.ReadExact(&nameLengthAndDirFlag, 1))
return nullptr;
uint8_t nameLength = (nameLengthAndDirFlag & 0x7f);
uint8_t fname[127];
if (!reader.ReadExact(fname, nameLength))
return nullptr;
StringCommon::ConvertMacRomanFileName(item.m_fileNameUTF8, fname, nameLength);
if (nameLengthAndDirFlag & 0x80)
{
BEUInt16_t numChildrenBE;
if (!reader.ReadExact(&numChildrenBE, sizeof(numChildrenBE)))
return nullptr;
uint16_t numChildren = numChildrenBE;
if (numChildren > numEntries - itemIndex)
return nullptr;
item.m_isDirectory = true;
ArchiveItemList *children = ParseDirectory(numChildren, reader);
if (!children)
return nullptr;
item.m_children = children;
numEntries -= numChildren;
}
else
{
CompactProCatalogFileEntry fileEntry;
if (!reader.ReadExact(&fileEntry, sizeof(fileEntry)))
return nullptr;
if (fileEntry.m_resUncompressedSize)
{
item.m_resourceForkDesc.m_compressedSize = fileEntry.m_resCompressedSize;
item.m_resourceForkDesc.m_uncompressedSize = fileEntry.m_resUncompressedSize;
item.m_resourceForkDesc.m_filePosition = fileEntry.m_fileOffset;
item.m_resourceForkDesc.m_compressionMethod = (fileEntry.m_flags & 2) ? CompressionMethods::kCompactProLZHRLE : CompressionMethods::kCompactProRLE;
}
if (fileEntry.m_dataUncompressedSize)
{
item.m_dataForkDesc.m_compressedSize = fileEntry.m_dataCompressedSize;
item.m_dataForkDesc.m_uncompressedSize = fileEntry.m_dataUncompressedSize;
item.m_dataForkDesc.m_filePosition = fileEntry.m_fileOffset + fileEntry.m_resCompressedSize;
item.m_dataForkDesc.m_compressionMethod = (fileEntry.m_flags & 4) ? CompressionMethods::kCompactProLZHRLE : CompressionMethods::kCompactProRLE;
}
item.m_macProperties.m_creationDate = fileEntry.m_creationDate;
item.m_macProperties.m_modifiedDate = fileEntry.m_modificationDate;
memcpy(item.m_macProperties.m_fileCreator, fileEntry.m_fileCreator, 4);
memcpy(item.m_macProperties.m_fileType, fileEntry.m_fileType, 4);
item.m_macProperties.m_finderFlags = fileEntry.m_finderFlags;
}
}
return new ArchiveItemList(std::move(itemList));
}

15
unpacktool/CompactProParser.h Normal file
View File

@@ -0,0 +1,15 @@
#pragma once
#include "IArchiveParser.h"
#include <stdint.h>
class CompactProParser : public IArchiveParser
{
public:
bool Check(IFileReader &reader) override;
ArchiveItemList *Parse(IFileReader &reader) override;
private:
ArchiveItemList *ParseDirectory(uint32_t numEntries, IFileReader &reader);
};

112
unpacktool/CompactProRLEDecompressor.cpp Normal file
View File

@@ -0,0 +1,112 @@
#include "CompactProRLEDecompressor.h"
#include "CSInputBuffer.h"
CompactProRLEDecompressor::CompactProRLEDecompressor()
: input(nullptr)
, saved(0)
, repeat(0)
, halfescaped(false)
{
}
CompactProRLEDecompressor::~CompactProRLEDecompressor()
{
}
bool CompactProRLEDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
saved = 0;
repeat = 0;
halfescaped = false;
this->input = input;
return true;
}
bool CompactProRLEDecompressor::ReadBytes(void *dest, size_t numBytes)
{
uint8_t *destBytes = static_cast<uint8_t*>(dest);
while (numBytes)
{
if (!EmitOneByte(*destBytes))
return false;
numBytes--;
destBytes++;
}
return true;
}
bool CompactProRLEDecompressor::EmitOneByte(uint8_t &b)
{
if (repeat)
{
repeat--;
b = saved;
return true;
}
int byte;
if (halfescaped)
{
byte = 0x81;
halfescaped = true;
}
else
{
if (!CSInputNextByte(input, byte))
return false;
}
if (byte == 0x81)
{
if (!CSInputNextByte(input, byte))
return false;
if (byte == 0x82)
{
if (!CSInputNextByte(input, byte))
return false;
if (byte != 0)
{
repeat = byte - 2; // ?
b = saved;
return true;
}
else
{
repeat = 1;
saved = 0x82;
b = 0x81;
return true;
}
}
else
{
if (byte == 0x81)
{
halfescaped = true;
saved = 0x81;
b = saved;
return true;
}
else
{
repeat = 1;
saved = byte;
b = 0x81;
return true;
}
}
}
else
{
saved = byte;
b = saved;
return true;
}
}

20
unpacktool/CompactProRLEDecompressor.h Normal file
View File

@@ -0,0 +1,20 @@
#pragma once
#include "IDecompressor.h"
class CompactProRLEDecompressor : public IDecompressor
{
public:
CompactProRLEDecompressor();
~CompactProRLEDecompressor();
bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize);
bool ReadBytes(void *dest, size_t numBytes);
public:
CSInputBuffer *input;
int saved, repeat;
bool halfescaped;
bool EmitOneByte(uint8_t &b);
};

45
unpacktool/DecompressorProxyReader.cpp Normal file
View File

@@ -0,0 +1,45 @@
#include "DecompressorProxyReader.h"
#include "IDecompressor.h"
DecompressorProxyReader::DecompressorProxyReader(IDecompressor *decompressor)
: m_decompressor(decompressor)
, m_currentPosition(0)
{
}
size_t DecompressorProxyReader::Read(void *buffer, size_t sz)
{
if (!m_decompressor->ReadBytes(buffer, sz))
return 0;
m_currentPosition += sz;
return sz;
}
size_t DecompressorProxyReader::FileSize() const
{
return 0;
}
bool DecompressorProxyReader::SeekStart(FilePos_t pos)
{
return pos == m_currentPosition;
}
bool DecompressorProxyReader::SeekCurrent(FilePos_t pos)
{
return pos == 0;
}
bool DecompressorProxyReader::SeekEnd(FilePos_t pos)
{
return false;
}
IFileReader::FilePos_t DecompressorProxyReader::GetPosition() const
{
return m_currentPosition;
}

22
unpacktool/DecompressorProxyReader.h Normal file
View File

@@ -0,0 +1,22 @@
#pragma once
#include "IFileReader.h"
class IDecompressor;
class DecompressorProxyReader final : public IFileReader
{
public:
explicit DecompressorProxyReader(IDecompressor *decompressor);
size_t Read(void *buffer, size_t sz) override;
size_t FileSize() const override;
bool SeekStart(FilePos_t pos) override;
bool SeekCurrent(FilePos_t pos) override;
bool SeekEnd(FilePos_t pos) override;
FilePos_t GetPosition() const override;
private:
FilePos_t m_currentPosition;
IDecompressor *m_decompressor;
};

11
unpacktool/IArchiveParser.h Normal file
View File

@@ -0,0 +1,11 @@
#pragma once
struct IFileReader;
struct ArchiveItemList;
class IArchiveParser
{
public:
virtual bool Check(IFileReader &reader) = 0;
virtual ArchiveItemList *Parse(IFileReader &reader) = 0;
};

13
unpacktool/IDecompressor.h Normal file
View File

@@ -0,0 +1,13 @@
#pragma once
#include <stdint.h>
struct CSInputBuffer;
class IDecompressor
{
public:
virtual ~IDecompressor() { }
virtual bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) = 0;
virtual bool ReadBytes(void *dest, size_t numBytes) = 0;
};

22
unpacktool/IFileReader.h Normal file
View File

@@ -0,0 +1,22 @@
#pragma once
#include <stdint.h>
struct IFileReader
{
public:
typedef int64_t FilePos_t;
typedef uint64_t UFilePos_t;
virtual size_t Read(void *buffer, size_t sz) = 0;
virtual size_t FileSize() const = 0;
virtual bool SeekStart(FilePos_t pos) = 0;
virtual bool SeekCurrent(FilePos_t pos) = 0;
virtual bool SeekEnd(FilePos_t pos) = 0;
virtual FilePos_t GetPosition() const = 0;
inline bool ReadExact(void *buffer, size_t sz)
{
return this->Read(buffer, sz) == sz;
}
};

529
unpacktool/LICENSE.txt Normal file
View File

@@ -0,0 +1,529 @@
This program, "The Unarchiver", its accompanying libraries, "XADMaster"
and "UniversalDetector", and the various smaller utility programs, such
as "unar" and "lsar", are distributed under the GNU Lesser General
Public License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
"UniversalDetector" is also available under other licenses, such as the
Mozilla Public License. Please refer to the files in its subdirectory
for further information.
The GNU Lesser General Public License might be too restrictive for some
users of this code. Parts of the code are derived from earlier
LGPL-licensed code and will as such always be bound by the LGPL, but
some parts of the code are developed from scratch by the author of The
Unarchiver, Dag Ågren, and can thus be made available under a more
permissive license. For simplicity, everything is currently licensed
under the LGPL, but if you are interested in using any code from this
project under another license, please contact the author for further
information.
- Dag Ågren, <paracelsus@gmail.com>
-----------------------------------------------------------------------
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THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Libraries
If you develop a new library, and you want it to be of the greatest
possible use to the public, we recommend making it free software that
everyone can redistribute and change. You can do so by permitting
redistribution under these terms (or, alternatively, under the terms of the
ordinary General Public License).
To apply these terms, attach the following notices to the library. It is
safest to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
<one line to give the library's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
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 2.1 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
Also add information on how to contact you by electronic and paper mail.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the library, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!

83
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#include "LZSSDecompressor.h"
#include <string.h>
bool LZSSDecompressor::ReadBytes(void *dest, size_t numBytes)
{
for (size_t i = 0; i < numBytes; i++)
{
if (!ReadOneByte(static_cast<uint8_t*>(dest)[i]))
return false;
}
return true;
}
bool LZSSDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
this->input = input;
windowbuffer = new uint8_t[windowsize];
windowmask = windowsize - 1; // Assumes windows are always power-of-two sized!
matchlength = 0;
matchoffset = 0;
memset(windowbuffer, 0, windowmask + 1);
return this->resetLZSSHandle();
}
LZSSDecompressor::LZSSDecompressor(int windowsize)
: windowbuffer(nullptr)
, windowmask(0)
, matchlength(0)
, matchoffset(0)
, input(nullptr)
, pos(0)
, windowsize(windowsize)
{
}
LZSSDecompressor::~LZSSDecompressor()
{
delete[] windowbuffer;
}
bool LZSSDecompressor::ReadOneByte(uint8_t &b)
{
if (!matchlength)
{
int offset, length;
int val;
if (!this->nextLiteralOrOffset(&offset, &length, val))
return false;
if (val >= 0)
{
windowbuffer[pos&windowmask] = val;
b = val;
pos++;
return true;
}
else if (val == XADLZSSEnd)
{
return false;
}
else
{
matchlength = length;
matchoffset = (int)(pos - offset);
}
}
matchlength--;
uint8_t byte = windowbuffer[matchoffset++&windowmask];
windowbuffer[pos&windowmask] = byte;
pos++;
b = byte;
return true;
}

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#pragma once
#include "IDecompressor.h"
#include <stdint.h>
#define XADLZSSMatch -1
#define XADLZSSEnd -2
class LZSSDecompressor : public IDecompressor
{
public:
explicit LZSSDecompressor(int windowsize);
~LZSSDecompressor();
bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) override;
bool ReadBytes(void *dest, size_t numBytes) override;
uint8_t ByteFromWindow(size_t absolutepos);
private:
virtual bool nextLiteralOrOffset(int *offset, int *length, int &result) = 0;
virtual bool resetLZSSHandle() = 0;
bool ReadOneByte(uint8_t &b);
uint8_t *windowbuffer;
int windowmask,matchlength,matchoffset;
int windowsize;
int pos;
protected:
CSInputBuffer *input;
};
inline uint8_t LZSSDecompressor::ByteFromWindow(size_t absolutepos)
{
return this->windowbuffer[absolutepos&this->windowmask];
}

159
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#include "LZW.h"
#include <stdlib.h>
LZW *AllocLZW(int maxsymbols,int reservedsymbols)
{
LZW *self=(LZW *)malloc(sizeof(LZW)+sizeof(LZWTreeNode)*(maxsymbols - 1));
if(!self) return 0;
self->maxsymbols=maxsymbols;
self->reservedsymbols=reservedsymbols;
self->buffer=NULL;
self->buffersize=0;
for(int i=0;i<256;i++)
{
self->nodes[i].chr=i;
self->nodes[i].parent=-1;
}
ClearLZWTable(self);
return self;
}
void FreeLZW(LZW *self)
{
if(self)
{
free(self->buffer);
free(self);
}
}
void ClearLZWTable(LZW *self)
{
self->numsymbols=256+self->reservedsymbols;
self->prevsymbol=-1;
self->symbolsize=9; // TODO: technically this depends on reservedsymbols
}
static uint8_t FindFirstByte(LZWTreeNode *nodes,int symbol)
{
while(nodes[symbol].parent>=0) symbol=nodes[symbol].parent;
return nodes[symbol].chr;
}
int NextLZWSymbol(LZW *self,int symbol)
{
if(self->prevsymbol<0)
{
if(symbol>=self->numsymbols) return LZWInvalidCodeError;
self->prevsymbol=symbol;
return LZWNoError;
}
int postfixbyte;
if(symbol<self->numsymbols) postfixbyte=FindFirstByte(self->nodes,symbol);
else if(symbol==self->numsymbols) postfixbyte=FindFirstByte(self->nodes,self->prevsymbol);
else return LZWInvalidCodeError;
int parent=self->prevsymbol;
self->prevsymbol=symbol;
if(!LZWSymbolListFull(self))
{
self->nodes[self->numsymbols].parent=parent;
self->nodes[self->numsymbols].chr=postfixbyte;
self->numsymbols++;
if(!LZWSymbolListFull(self))
if((self->numsymbols&self->numsymbols-1)==0) self->symbolsize++;
return LZWNoError;
}
else
{
return LZWTooManyCodesError;
}
}
int ReplaceLZWSymbol(LZW *self,int oldsymbol,int symbol)
{
if(symbol>=self->numsymbols) return LZWInvalidCodeError;
self->nodes[oldsymbol].parent=self->prevsymbol;
self->nodes[oldsymbol].chr=FindFirstByte(self->nodes,symbol);
self->prevsymbol=symbol;
return LZWNoError;
}
int LZWOutputLength(LZW *self)
{
int symbol=self->prevsymbol;
int n=0;
while(symbol>=0)
{
symbol=self->nodes[symbol].parent;
n++;
}
return n;
}
int LZWOutputToBuffer(LZW *self,uint8_t *buffer)
{
int symbol=self->prevsymbol;
int n=LZWOutputLength(self);
buffer+=n;
while(symbol>=0)
{
*--buffer=self->nodes[symbol].chr;
symbol=self->nodes[symbol].parent;
}
return n;
}
int LZWReverseOutputToBuffer(LZW *self,uint8_t *buffer)
{
int symbol=self->prevsymbol;
int n=0;
while(symbol>=0)
{
*buffer++=self->nodes[symbol].chr;
symbol=self->nodes[symbol].parent;
n++;
}
return n;
}
int LZWOutputToInternalBuffer(LZW *self)
{
int symbol=self->prevsymbol;
int n=LZWOutputLength(self);
if(n>self->buffersize)
{
free(self->buffer);
self->buffersize+=1024;
self->buffer=static_cast<uint8_t*>(malloc(self->buffersize));
}
uint8_t *buffer=self->buffer+n;
while(symbol>=0)
{
*--buffer=self->nodes[symbol].chr;
symbol=self->nodes[symbol].parent;
}
return n;
}

66
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#ifndef __LZW_H__
#define __LZW_H__
#include <stdint.h>
#include <stdbool.h>
#define LZWNoError 0
#define LZWInvalidCodeError 1
#define LZWTooManyCodesError 2
typedef struct LZWTreeNode
{
uint8_t chr;
int parent;
} LZWTreeNode;
typedef struct LZW
{
int numsymbols,maxsymbols,reservedsymbols;
int prevsymbol;
int symbolsize;
uint8_t *buffer;
int buffersize;
LZWTreeNode nodes[1];
} LZW;
LZW *AllocLZW(int maxsymbols,int reservedsymbols);
void FreeLZW(LZW *self);
void ClearLZWTable(LZW *self);
int NextLZWSymbol(LZW *self,int symbol);
int ReplaceLZWSymbol(LZW *self,int oldsymbol,int symbol);
int LZWOutputLength(LZW *self);
int LZWOutputToBuffer(LZW *self,uint8_t *buffer);
int LZWReverseOutputToBuffer(LZW *self,uint8_t *buffer);
int LZWOutputToInternalBuffer(LZW *self);
static inline int LZWSuggestedSymbolSize(LZW *self)
{
return self->symbolsize;
}
static inline uint8_t *LZWInternalBuffer(LZW *self)
{
return self->buffer;
}
static inline int LZWSymbolCount(LZW *self)
{
return self->numsymbols;
}
static inline bool LZWSymbolListFull(LZW *self)
{
return self->numsymbols==self->maxsymbols;
}
static inline LZWTreeNode *LZWSymbols(LZW *self)
{
return self->nodes;
}
#endif

81
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#include "LZWDecompressor.h"
#include "CSInputBuffer.h"
LZWDecompressor::LZWDecompressor(int compressFlags)
: input(nullptr)
, compressFlags(compressFlags)
, blockmode(false)
, lzw(nullptr)
, symbolcounter(0)
, buffer(nullptr)
, bufferend(nullptr)
{
}
LZWDecompressor::~LZWDecompressor()
{
FreeLZW(lzw);
}
bool LZWDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
this->input = input;
blockmode = (compressFlags & 0x80) != 0;
lzw = AllocLZW(1 << (compressFlags & 0x1f), blockmode ? 1 : 0);
return true;
}
bool LZWDecompressor::ReadBytes(void *dest, size_t numBytes)
{
uint8_t *nextByte = static_cast<uint8_t*>(dest);
while (numBytes--)
{
if (buffer >= bufferend)
{
unsigned int symbol;
for (;;)
{
bool atEOF;
if (!CSInputAtEOF(input, atEOF))
return false;
if (atEOF)
return false;
if (!CSInputNextBitStringLE(input, LZWSuggestedSymbolSize(lzw), symbol))
return false;
symbolcounter++;
if (symbol == 256 && blockmode)
{
// Skip garbage data after a clear. God damn, this is dumb.
int symbolsize = LZWSuggestedSymbolSize(lzw);
if (symbolcounter % 8)
{
if (!CSInputSkipBitsLE(input, symbolsize*(8 - symbolcounter % 8)))
return false;
}
ClearLZWTable(lzw);
symbolcounter = 0;
}
else
break;
}
if (NextLZWSymbol(lzw, symbol) == LZWInvalidCodeError)
return false;
int n = LZWOutputToInternalBuffer(lzw);
buffer = LZWInternalBuffer(lzw);
bufferend = buffer + n;
}
*nextByte++ = *buffer++;
}
return true;
}

26
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#pragma once
#include "IDecompressor.h"
#include "LZW.h"
class LZWDecompressor : public IDecompressor
{
public:
explicit LZWDecompressor(int compressFlags);
~LZWDecompressor();
bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) override;
bool ReadBytes(void *dest, size_t numBytes) override;
private:
CSInputBuffer *input;
int compressFlags;
bool blockmode;
LZW *lzw;
int symbolcounter;
uint8_t *buffer, *bufferend;
};

29
unpacktool/NullDecompressor.cpp Normal file
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#include "NullDecompressor.h"
#include "CSInputBuffer.h"
NullDecompressor::NullDecompressor()
: m_input(nullptr)
{
}
bool NullDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
m_input = input;
return true;
}
bool NullDecompressor::ReadBytes(void *dest, size_t numBytes)
{
uint8_t *output = static_cast<uint8_t *>(dest);
for (size_t i = 0; i < numBytes; i++)
{
int byte;
if (!CSInputNextByte(m_input, byte))
return false;
output[i] = byte;
}
return true;
}

15
unpacktool/NullDecompressor.h Normal file
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#pragma once
#include "IDecompressor.h"
class NullDecompressor : public IDecompressor
{
public:
NullDecompressor();
bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) override;
bool ReadBytes(void *dest, size_t numBytes) override;
private:
CSInputBuffer *m_input;
};

448
unpacktool/PrefixCode.cpp Normal file
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#include "PrefixCode.h"
struct XADCodeTreeNode
{
int branches[2];
};
struct XADCodeTableEntry
{
uint32_t length;
int32_t value;
};
static inline XADCodeTreeNode *NodePointer(XADPrefixCode *self, int node) { return &self->tree[node]; }
static inline int Branch(XADPrefixCode *self, int node, int bit) { return NodePointer(self, node)->branches[bit]; }
static inline void SetBranch(XADPrefixCode *self, int node, int bit, int nextnode) { NodePointer(self, node)->branches[bit] = nextnode; }
static inline int LeftBranch(XADPrefixCode *self, int node) { return Branch(self, node, 0); }
static inline int RightBranch(XADPrefixCode *self, int node) { return Branch(self, node, 1); }
static inline void SetLeftBranch(XADPrefixCode *self, int node, int nextnode) { SetBranch(self, node, 0, nextnode); }
static inline void SetRightBranch(XADPrefixCode *self, int node, int nextnode) { SetBranch(self, node, 1, nextnode); }
static inline int LeafValue(XADPrefixCode *self, int node) { return LeftBranch(self, node); }
static inline void SetLeafValue(XADPrefixCode *self, int node, int value) { SetLeftBranch(self, node, value); SetRightBranch(self, node, value); }
static inline void SetEmptyNode(XADPrefixCode *self, int node) { SetLeftBranch(self, node, -1); SetRightBranch(self, node, -2); }
static inline bool IsInvalidNode(XADPrefixCode *self, int node) { return node < 0; }
static inline bool IsOpenBranch(XADPrefixCode *self, int node, int bit) { return IsInvalidNode(self, Branch(self, node, bit)); }
static inline bool IsEmptyNode(XADPrefixCode *self, int node) { return LeftBranch(self, node) == -1 && RightBranch(self, node) == -2; }
static inline bool IsLeafNode(XADPrefixCode *self, int node) { return LeftBranch(self, node) == RightBranch(self, node); }
static inline int NewNode(XADPrefixCode *self)
{
self->tree.resize(self->numentries + 1);
SetEmptyNode(self, self->numentries);
return self->numentries++;
}
bool CSInputNextSymbolUsingCode(CSInputBuffer *buf, XADPrefixCode *code, int &outSymbol)
{
if (!code->table1)
code->_makeTable();
unsigned int bits;
if (!CSInputPeekBitString(buf, code->tablesize, bits))
return false;
int length = code->table1[bits].length;
int value = code->table1[bits].value;
if (length < 0)
return false;
if (length <= code->tablesize)
{
if (!CSInputSkipPeekedBits(buf, length))
return false;
outSymbol = value;
return true;
}
if (!CSInputSkipPeekedBits(buf, code->tablesize))
return false;
int node = value;
while (!IsLeafNode(code, node))
{
unsigned int bit;
if (!CSInputNextBit(buf, bit))
return false;
if (IsOpenBranch(code, node, bit))
return false;
node = Branch(code, node, bit);
}
outSymbol = LeafValue(code, node);
return true;
}
bool CSInputNextSymbolUsingCodeLE(CSInputBuffer *buf, XADPrefixCode *code, int &outSymbol)
{
if (!code->table2)
code->_makeTableLE();
unsigned int bits;
if (!CSInputPeekBitStringLE(buf, code->tablesize, bits))
return false;
int length = code->table2[bits].length;
int value = code->table2[bits].value;
if (length < 0)
return false;
if (length <= code->tablesize)
{
if (!CSInputSkipPeekedBitsLE(buf, length))
return false;
outSymbol = value;
return true;
}
if (!CSInputSkipPeekedBitsLE(buf, code->tablesize))
return false;
int node = value;
while (!IsLeafNode(code, node))
{
unsigned int bit;
if (!CSInputNextBitLE(buf, bit))
return false;
if (IsOpenBranch(code, node, bit))
return false;
node = Branch(code, node, bit);
}
outSymbol = LeafValue(code, node);
return true;
}
/*int CSInputNextSymbolUsingCode(CSInputBuffer *buf,XADPrefixCode *code)
{
int node=0;
while(!IsLeafNode(code,node))
{
int bit=CSInputNextBit(buf);
if(IsOpenBranch(code,node,bit)) [NSException raise:XADInvalidPrefixCodeException format:@"Invalid prefix code in bitstream"];
node=Branch(code,node,bit);
}
return LeafValue(code,node);
}
int CSInputNextSymbolUsingCodeLE(CSInputBuffer *buf,XADPrefixCode *code)
{
int node=0;
while(!IsLeafNode(code,node))
{
int bit=CSInputNextBitLE(buf);
if(IsOpenBranch(code,node,bit)) [NSException raise:XADInvalidPrefixCodeException format:@"Invalid prefix code in bitstream"];
node=Branch(code,node,bit);
}
return LeafValue(code,node);
}*/
XADPrefixCode *XADPrefixCode::prefixCode()
{
XADPrefixCode *self = new XADPrefixCode();
self->init();
return self;
}
XADPrefixCode *XADPrefixCode::prefixCodeWithLengths(const int *lengths, int numsymbols, int maxlength, bool zeros)
{
XADPrefixCode *self = prefixCode();
if (!self->initWithLengths(lengths, numsymbols, maxlength, zeros))
{
delete self;
self = nullptr;
}
return self;
}
void XADPrefixCode::init()
{
tree.resize(1);
SetEmptyNode(this, 0);
numentries = 1;
minlength = INT_MAX;
maxlength = INT_MIN;
isstatic = false;
table1 = table2 = NULL;
}
bool XADPrefixCode::initWithLengths(const int *lengths, int numsymbols, int maxcodelength, bool zeros)
{
int code = 0, symbolsleft = numsymbols;
for (int length = 1; length <= maxcodelength; length++)
{
for (int i = 0; i < numsymbols; i++)
{
if (lengths[i] != length)
continue;
// Instead of reversing to get a low-bit-first code, we shift and use high-bit-first.
if (zeros)
{
if (!this->addValueHighBitFirst(i, code, length))
return false;
}
else
{
if (!this->addValueHighBitFirst(i, ~code, length))
return false;
}
code++;
if (--symbolsleft == 0)
return true; // early exit if all codes have been handled
}
code <<= 1;
}
return true;
}
XADPrefixCode::XADPrefixCode()
: numentries(0)
, minlength(0)
, maxlength(0)
, isstatic(false)
, currnode(0)
, tablesize(0)
, table1(nullptr)
, table2(nullptr)
{
}
XADPrefixCode::~XADPrefixCode()
{
delete[] table1;
delete[] table2;
}
bool XADPrefixCode::addValueHighBitFirst(int value, uint32_t code, int length)
{
return this->addValueHighBitFirst(value, code, length, length);
}
bool XADPrefixCode::addValueHighBitFirst(int value, uint32_t code, int length, int repeatpos)
{
if (isstatic)
return false;
delete[] table1;
delete[] table2;
table1 = table2 = NULL;
if (length > maxlength) maxlength = length;
if (length < minlength) minlength = length;
repeatpos = length - 1 - repeatpos;
if (repeatpos == 0 || (repeatpos >= 0 && (((code >> (repeatpos - 1)) & 3) == 0 || ((code >> (repeatpos - 1)) & 3) == 3)))
return false;
int lastnode = 0;
for (int bitpos = length - 1; bitpos >= 0; bitpos--)
{
int bit = (code >> bitpos) & 1;
if (IsLeafNode(this, lastnode))
return false;
if (bitpos == repeatpos)
{
if (!IsOpenBranch(this, lastnode, bit))
return false;
int repeatnode = NewNode(this);
int nextnode = NewNode(this);
SetBranch(this, lastnode, bit, repeatnode);
SetBranch(this, repeatnode, bit, repeatnode);
SetBranch(this, repeatnode, bit ^ 1, nextnode);
lastnode = nextnode;
bitpos++; // terminating bit already handled, skip it
}
else
{
if (IsOpenBranch(this, lastnode, bit))
SetBranch(this, lastnode, bit, NewNode(this));
lastnode = Branch(this, lastnode, bit);
}
}
if (!IsEmptyNode(this, lastnode))
return false;
SetLeafValue(this, lastnode, value);
return true;
}
static uint32_t Reverse32(uint32_t val)
{
val = ((val >> 1) & 0x55555555) | ((val & 0x55555555) << 1);
val = ((val >> 2) & 0x33333333) | ((val & 0x33333333) << 2);
val = ((val >> 4) & 0x0F0F0F0F) | ((val & 0x0F0F0F0F) << 4);
val = ((val >> 8) & 0x00FF00FF) | ((val & 0x00FF00FF) << 8);
return (val >> 16) | (val << 16);
}
static uint32_t ReverseN(uint32_t val, int length)
{
return Reverse32(val) >> (32 - length);
}
bool XADPrefixCode::addValueLowBitFirst(int value, uint32_t code, int length)
{
return this->addValueHighBitFirst(value, ReverseN(code, length), length, length);
}
bool XADPrefixCode::addValueLowBitFirst(int value, uint32_t code, int length, int repeatpos)
{
return this->addValueHighBitFirst(value, ReverseN(code, length), length, repeatpos);
}
void XADPrefixCode::startBuildingTree()
{
currnode = 0;
stack.resize(0);
}
void XADPrefixCode::startZeroBranch()
{
int newNode = NewNode(this);
SetBranch(this, currnode, 0, newNode);
this->_pushNode();
currnode = newNode;
}
void XADPrefixCode::startOneBranch()
{
int newNode = NewNode(this);
SetBranch(this, currnode, 1, newNode);
this->_pushNode();
currnode = newNode;
}
void XADPrefixCode::finishBranches()
{
this->_popNode();
}
void XADPrefixCode::makeLeafWithValue(int value)
{
SetLeafValue(this, currnode, value);
this->_popNode();
}
void XADPrefixCode::_pushNode()
{
stack.push_back(currnode);
}
void XADPrefixCode::_popNode()
{
if (stack.size() == 0) return; // the final pop will underflow the stack otherwise
int num = stack.back();
stack.pop_back();
currnode = num;
}
static void MakeTable(XADPrefixCode *code, int node, XADCodeTableEntry *table, int depth, int maxdepth)
{
int currtablesize = 1 << (maxdepth - depth);
if (IsLeafNode(code, node))
{
for (int i = 0; i < currtablesize; i++)
{
table[i].length = depth;
table[i].value = LeafValue(code, node);
}
}
else if (IsInvalidNode(code, node))
{
for (int i = 0; i < currtablesize; i++) table[i].length = -1;
}
else
{
if (depth == maxdepth)
{
table[0].length = maxdepth + 1;
table[0].value = node;
}
else
{
MakeTable(code, LeftBranch(code, node), table, depth + 1, maxdepth);
MakeTable(code, RightBranch(code, node), table + currtablesize / 2, depth + 1, maxdepth);
}
}
}
static void MakeTableLE(XADPrefixCode *code, int node, XADCodeTableEntry *table, int depth, int maxdepth)
{
int currtablesize = 1 << (maxdepth - depth);
int currstride = 1 << depth;
if (IsLeafNode(code, node))
{
for (int i = 0; i < currtablesize; i++)
{
table[i*currstride].length = depth;
table[i*currstride].value = LeafValue(code, node);
}
}
else if (IsInvalidNode(code, node))
{
for (int i = 0; i < currtablesize; i++) table[i*currstride].length = -1;
}
else
{
if (depth == maxdepth)
{
table[0].length = maxdepth + 1;
table[0].value = node;
}
else
{
MakeTableLE(code, LeftBranch(code, node), table, depth + 1, maxdepth);
MakeTableLE(code, RightBranch(code, node), table + currstride, depth + 1, maxdepth);
}
}
}
#define TableMaxSize 10
void XADPrefixCode::_makeTable()
{
if (table1) return;
if (maxlength < minlength) tablesize = TableMaxSize; // no code lengths recorded
else if (maxlength >= TableMaxSize) tablesize = TableMaxSize;
else tablesize = maxlength;
table1 = new XADCodeTableEntry[1 << tablesize];
MakeTable(this, 0, table1, 0, tablesize);
}
void XADPrefixCode::_makeTableLE()
{
if (table2) return;
if (maxlength < minlength) tablesize = TableMaxSize; // no code lengths recorded
else if (maxlength >= TableMaxSize) tablesize = TableMaxSize;
else tablesize = maxlength;
table2 = new XADCodeTableEntry[1 << tablesize];
MakeTableLE(this, 0, table2, 0, tablesize);
}

52
unpacktool/PrefixCode.h Normal file
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#pragma once
#include "CSInputBuffer.h"
#include <vector>
typedef struct XADCodeTreeNode XADCodeTreeNode;
typedef struct XADCodeTableEntry XADCodeTableEntry;
class XADPrefixCode final
{
public:
XADPrefixCode();
~XADPrefixCode();
void startBuildingTree();
void startZeroBranch();
void startOneBranch();
void finishBranches();
void makeLeafWithValue(int value);
std::vector<XADCodeTreeNode> tree;
int numentries, minlength, maxlength;
bool isstatic;
int currnode;
std::vector<int> stack;
int tablesize;
XADCodeTableEntry *table1, *table2;
static XADPrefixCode *prefixCode();
static XADPrefixCode *prefixCodeWithLengths(const int *lengths, int numsymbols, int maxlength, bool zeros);
void init();
bool initWithLengths(const int *lengths, int numSymbols, int maxlength, bool zeros);
bool addValueHighBitFirst(int value, uint32_t code, int length);
bool addValueHighBitFirst(int value, uint32_t code, int length, int repeatpos);
bool addValueLowBitFirst(int value, uint32_t code, int length);
bool addValueLowBitFirst(int value, uint32_t code, int length, int repeatpos);
void _pushNode();
void _popNode();
void _makeTable();
void _makeTableLE();
};
bool CSInputNextSymbolUsingCode(CSInputBuffer *buf, XADPrefixCode *code, int &outSymbol);
bool CSInputNextSymbolUsingCodeLE(CSInputBuffer *buf, XADPrefixCode *code, int &outSymbol);

72
unpacktool/RLE90Decompressor.cpp Normal file
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#include "RLE90Decompressor.h"
#include "CSInputBuffer.h"
RLE90Decompressor::RLE90Decompressor()
: m_input(nullptr)
, m_repeatedByte(0)
, m_count(0)
{
}
bool RLE90Decompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
m_input = input;
m_repeatedByte = 0;
m_count = 0;
return true;
}
bool RLE90Decompressor::ReadBytes(void *dest, size_t numBytes)
{
uint8_t *destBytes = static_cast<uint8_t*>(dest);
for (size_t i = 0; i < numBytes; i++)
{
if (m_count)
{
m_count--;
destBytes[i] = m_repeatedByte;
}
else
{
bool isEOF;
if (!CSInputAtEOF(m_input, isEOF))
return false;
if (isEOF)
return false;
int b;
if (!CSInputNextByte(m_input, b))
return false;
if (b != 0x90)
{
destBytes[i] = b;
m_repeatedByte = b;
}
else
{
int c;
if (!CSInputNextByte(m_input, c))
return false;
if (c == 0)
{
m_repeatedByte = 0x90;
destBytes[i] = 0x90;
}
else
{
if (c == 1)
return false;
m_count = c - 2;
destBytes[i] = m_repeatedByte;
}
}
}
}
return true;
}

17
unpacktool/RLE90Decompressor.h Normal file
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#pragma once
#include "IDecompressor.h"
class RLE90Decompressor : public IDecompressor
{
public:
RLE90Decompressor();
bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) override;
bool ReadBytes(void *dest, size_t numBytes) override;
private:
CSInputBuffer *m_input;
uint8_t m_repeatedByte;
uint8_t m_count;
};

17
unpacktool/StringCommon.cpp Normal file
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#include "StringCommon.h"
#include "MacRomanConversion.h"
#include "UTF8.h"
void StringCommon::ConvertMacRomanFileName(std::vector<uint8_t> &utf8FileName, const uint8_t *macRomanName, size_t macRomanLength)
{
for (size_t i = 0; i < macRomanLength; i++)
{
uint8_t bytes[8];
size_t bytesEmitted;
PortabilityLayer::UTF8Processor::EncodeCodePoint(bytes, bytesEmitted, MacRoman::ToUnicode(macRomanName[i]));
for (size_t bi = 0; bi < bytesEmitted; bi++)
utf8FileName.push_back(bytes[bi]);
}
}

9
unpacktool/StringCommon.h Normal file
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#pragma once
#include <vector>
#include <stdint.h>
namespace StringCommon
{
void ConvertMacRomanFileName(std::vector<uint8_t> &utf8FileName, const uint8_t *macRomanName, size_t macRomanLength);
}

493
unpacktool/StuffIt13Decompressor.cpp Normal file
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#include "StuffIt13Decompressor.h"
#include "CSInputBuffer.h"
#include "PrefixCode.h"
static const int FirstCodeLengths_1[321] =
{
4, 5, 7, 8, 8, 9, 9, 9, 9, 7, 9, 9, 9, 8, 9, 9,
9, 9, 9, 9, 9, 9, 9,10, 9, 9,10,10, 9,10, 9, 9,
5, 9, 9, 9, 9,10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 9,
9, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
9, 8, 9, 9, 8, 8, 9, 9, 9, 9, 9, 9, 9, 7, 8, 9,
7, 9, 9, 7, 7, 9, 9, 9, 9,10, 9,10,10,10, 9, 9,
9, 5, 9, 8, 7, 5, 9, 8, 8, 7, 9, 9, 8, 8, 5, 5,
7,10, 5, 8, 5, 8, 9, 9, 9, 9, 9,10, 9, 9,10, 9,
9,10,10,10,10,10,10,10, 9,10,10,10,10,10,10,10,
9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
9,10,10,10,10,10,10,10, 9, 9,10,10,10,10,10,10,
10,10,10,10,10,10,10,10,10,10, 9,10,10,10,10,10,
9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
9,10,10,10,10,10,10,10,10,10,10,10, 9, 9,10,10,
9,10,10,10,10,10,10,10, 9,10,10,10, 9,10, 9, 5,
6, 5, 5, 8, 9, 9, 9, 9, 9, 9,10,10,10, 9,10,10,
10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
10,10,10, 9,10, 9, 9, 9,10, 9,10, 9,10, 9,10, 9,
10,10,10, 9,10, 9,10,10, 9, 9, 9, 6, 9, 9,10, 9,
5,
};
static const int SecondCodeLengths_1[321] =
{
4, 5, 6, 6, 7, 7, 6, 7, 7, 7, 6, 8, 7, 8, 8, 8,
8, 9, 6, 9, 8, 9, 8, 9, 9, 9, 8,10, 5, 9, 7, 9,
6, 9, 8,10, 9,10, 8, 8, 9, 9, 7, 9, 8, 9, 8, 9,
8, 8, 6, 9, 9, 8, 8, 9, 9,10, 8, 9, 9,10, 8,10,
8, 8, 8, 8, 8, 9, 7,10, 6, 9, 9,11, 7, 8, 8, 9,
8,10, 7, 8, 6, 9,10, 9, 9,10, 8,11, 9,11, 9,10,
9, 8, 9, 8, 8, 8, 8,10, 9, 9,10,10, 8, 9, 8, 8,
8,11, 9, 8, 8, 9, 9,10, 8,11,10,10, 8,10, 9,10,
8, 9, 9,11, 9,11, 9,10,10,11,10,12, 9,12,10,11,
10,11, 9,10,10,11,10,11,10,11,10,11,10,10,10, 9,
9, 9, 8, 7, 6, 8,11,11, 9,12,10,12, 9,11,11,11,
10,12,11,11,10,12,10,11,10,10,10,11,10,11,11,11,
9,12,10,12,11,12,10,11,10,12,11,12,11,12,11,12,
10,12,11,12,11,11,10,12,10,11,10,12,10,12,10,12,
10,11,11,11,10,11,11,11,10,12,11,12,10,10,11,11,
9,12,11,12,10,11,10,12,10,11,10,12,10,11,10, 7,
5, 4, 6, 6, 7, 7, 7, 8, 8, 7, 7, 6, 8, 6, 7, 7,
9, 8, 9, 9,10,11,11,11,12,11,10,11,12,11,12,11,
12,12,12,12,11,12,12,11,12,11,12,11,13,11,12,10,
13,10,14,14,13,14,15,14,16,15,15,18,18,18, 9,18,
8,
};
static const int OffsetCodeLengths_1[11] =
{
5, 6, 3, 3, 3, 3, 3, 3, 3, 4, 6,
};
static const int FirstCodeLengths_2[321] =
{
4, 7, 7, 8, 7, 8, 8, 8, 8, 7, 8, 7, 8, 7, 9, 8,
8, 8, 9, 9, 9, 9,10,10, 9,10,10,10,10,10, 9, 9,
5, 9, 8, 9, 9,11,10, 9, 8, 9, 9, 9, 8, 9, 7, 8,
8, 8, 9, 9, 9, 9, 9,10, 9, 9, 9,10, 9, 9,10, 9,
8, 8, 7, 7, 7, 8, 8, 9, 8, 8, 9, 9, 8, 8, 7, 8,
7,10, 8, 7, 7, 9, 9, 9, 9,10,10,11,11,11,10, 9,
8, 6, 8, 7, 7, 5, 7, 7, 7, 6, 9, 8, 6, 7, 6, 6,
7, 9, 6, 6, 6, 7, 8, 8, 8, 8, 9,10, 9,10, 9, 9,
8, 9,10,10, 9,10,10, 9, 9,10,10,10,10,10,10,10,
9,10,10,11,10,10,10,10,10,10,10,11,10,11,10,10,
9,11,10,10,10,10,10,10, 9, 9,10,11,10,11,10,11,
10,12,10,11,10,12,11,12,10,12,10,11,10,11,11,11,
9,10,11,11,11,12,12,10,10,10,11,11,10,11,10,10,
9,11,10,11,10,11,11,11,10,11,11,12,11,11,10,10,
10,11,10,10,11,11,12,10,10,11,11,12,11,11,10,11,
9,12,10,11,11,11,10,11,10,11,10,11, 9,10, 9, 7,
3, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 9,11,10,10,10,
12,13,11,12,12,11,13,12,12,11,12,12,13,12,14,13,
14,13,15,13,14,15,15,14,13,15,15,14,15,14,15,15,
14,15,13,13,14,15,15,14,14,16,16,15,15,15,12,15,
10,
};
static const int SecondCodeLengths_2[321] =
{
5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 7, 8, 7, 7,
7, 8, 8, 8, 8, 9, 8, 9, 8, 9, 9, 9, 7, 9, 8, 8,
6, 9, 8, 9, 8, 9, 8, 9, 8, 9, 8, 9, 8, 9, 8, 8,
8, 8, 8, 9, 8, 9, 8, 9, 9,10, 8,10, 8, 9, 9, 8,
8, 8, 7, 8, 8, 9, 8, 9, 7, 9, 8,10, 8, 9, 8, 9,
8, 9, 8, 8, 8, 9, 9, 9, 9,10, 9,11, 9,10, 9,10,
8, 8, 8, 9, 8, 8, 8, 9, 9, 8, 9,10, 8, 9, 8, 8,
8,11, 8, 7, 8, 9, 9, 9, 9,10, 9,10, 9,10, 9, 8,
8, 9, 9,10, 9,10, 9,10, 8,10, 9,10, 9,11,10,11,
9,11,10,10,10,11, 9,11, 9,10, 9,11, 9,11,10,10,
9,10, 9, 9, 8,10, 9,11, 9, 9, 9,11,10,11, 9,11,
9,11, 9,11,10,11,10,11,10,11, 9,10,10,11,10,10,
8,10, 9,10,10,11, 9,11, 9,10,10,11, 9,10,10, 9,
9,10, 9,10, 9,10, 9,10, 9,11, 9,11,10,10, 9,10,
9,11, 9,11, 9,11, 9,10, 9,11, 9,11, 9,11, 9,10,
8,11, 9,10, 9,10, 9,10, 8,10, 8, 9, 8, 9, 8, 7,
4, 4, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 7, 8, 8,
9, 9,10,10,10,10,10,10,11,11,10,10,12,11,11,12,
12,11,12,12,11,12,12,12,12,12,12,11,12,11,13,12,
13,12,13,14,14,14,15,13,14,13,14,18,18,17, 7,16,
9,
};
static const int OffsetCodeLengths_2[13] =
{
5, 6, 4, 4, 3, 3, 3, 3, 3, 4, 4, 4, 6,
};
static const int FirstCodeLengths_3[321] =
{
6, 6, 6, 6, 6, 9, 8, 8, 4, 9, 8, 9, 8, 9, 9, 9,
8, 9, 9,10, 8,10,10,10, 9,10,10,10, 9,10,10, 9,
9, 9, 8,10, 9,10, 9,10, 9,10, 9,10, 9, 9, 8, 9,
8, 9, 9, 9,10,10,10,10, 9, 9, 9,10, 9,10, 9, 9,
7, 8, 8, 9, 8, 9, 9, 9, 8, 9, 9,10, 9, 9, 8, 9,
8, 9, 8, 8, 8, 9, 9, 9, 9, 9,10,10,10,10,10, 9,
8, 8, 9, 8, 9, 7, 8, 8, 9, 8,10,10, 8, 9, 8, 8,
8,10, 8, 8, 8, 8, 9, 9, 9, 9,10,10,10,10,10, 9,
7, 9, 9,10,10,10,10,10, 9,10,10,10,10,10,10, 9,
9,10,10,10,10,10,10,10,10, 9,10,10,10,10,10,10,
9,10,10,10,10,10,10,10, 9, 9, 9,10,10,10,10,10,
10,10,10,10,10,10,10,10,10,10, 9,10,10,10,10, 9,
8, 9,10,10,10,10,10,10,10,10,10,10, 9,10,10,10,
9,10,10,10,10,10,10,10,10,10,10,10,10,10,10, 9,
9,10,10,10,10,10,10, 9,10,10,10,10,10,10, 9, 9,
9,10,10,10,10,10,10, 9, 9,10, 9, 9, 8, 9, 8, 9,
4, 6, 6, 6, 7, 8, 8, 9, 9,10,10,10, 9,10,10,10,
10,10,10,10,10,10,10,10,10,10,10,10,10,10, 7,10,
10,10, 7,10,10, 7, 7, 7, 7, 7, 6, 7,10, 7, 7,10,
7, 7, 7, 6, 7, 6, 6, 7, 7, 6, 6, 9, 6, 9,10, 6,
10,
};
static const int SecondCodeLengths_3[321] =
{
5, 6, 6, 6, 6, 7, 7, 7, 6, 8, 7, 8, 7, 9, 8, 8,
7, 7, 8, 9, 9, 9, 9,10, 8, 9, 9,10, 8,10, 9, 8,
6,10, 8,10, 8,10, 9, 9, 9, 9, 9,10, 9, 9, 8, 9,
8, 9, 8, 9, 9,10, 9,10, 9, 9, 8,10, 9,11,10, 8,
8, 8, 8, 9, 7, 9, 9,10, 8, 9, 8,11, 9,10, 9,10,
8, 9, 9, 9, 9, 8, 9, 9,10,10,10,12,10,11,10,10,
8, 9, 9, 9, 8, 9, 8, 8,10, 9,10,11, 8,10, 9, 9,
8,12, 8, 9, 9, 9, 9, 8, 9,10, 9,12,10,10,10, 8,
7,11,10, 9,10,11, 9,11, 7,11,10,12,10,12,10,11,
9,11, 9,12,10,12,10,12,10, 9,11,12,10,12,10,11,
9,10, 9,10, 9,11,11,12, 9,10, 8,12,11,12, 9,12,
10,12,10,13,10,12,10,12,10,12,10, 9,10,12,10, 9,
8,11,10,12,10,12,10,12,10,11,10,12, 8,12,10,11,
10,10,10,12, 9,11,10,12,10,12,11,12,10, 9,10,12,
9,10,10,12,10,11,10,11,10,12, 8,12, 9,12, 8,12,
8,11,10,11,10,11, 9,10, 8,10, 9, 9, 8, 9, 8, 7,
4, 3, 5, 5, 6, 5, 6, 6, 7, 7, 8, 8, 8, 7, 7, 7,
9, 8, 9, 9,11, 9,11, 9, 8, 9, 9,11,12,11,12,12,
13,13,12,13,14,13,14,13,14,13,13,13,12,13,13,12,
13,13,14,14,13,13,14,14,14,14,15,18,17,18, 8,16,
10,
};
static const int OffsetCodeLengths_3[14] =
{
6, 7, 4, 4, 3, 3, 3, 3, 3, 4, 4, 4, 5, 7,
};
static const int FirstCodeLengths_4[321] =
{
2, 6, 6, 7, 7, 8, 7, 8, 7, 8, 8, 9, 8, 9, 9, 9,
8, 8, 9, 9, 9,10,10, 9, 8,10, 9,10, 9,10, 9, 9,
6, 9, 8, 9, 9,10, 9, 9, 9,10, 9, 9, 9, 9, 8, 8,
8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,10,10, 9,
7, 7, 8, 8, 8, 8, 9, 9, 7, 8, 9,10, 8, 8, 7, 8,
8,10, 8, 8, 8, 9, 8, 9, 9,10, 9,11,10,11, 9, 9,
8, 7, 9, 8, 8, 6, 8, 8, 8, 7,10, 9, 7, 8, 7, 7,
8,10, 7, 7, 7, 8, 9, 9, 9, 9,10,11, 9,11,10, 9,
7, 9,10,10,10,11,11,10,10,11,10,10,10,11,11,10,
9,10,10,11,10,11,10,11,10,10,10,11,10,11,10,10,
9,10,10,11,10,10,10,10, 9,10,10,10,10,11,10,11,
10,11,10,11,11,11,10,12,10,11,10,11,10,11,11,10,
8,10,10,11,10,11,11,11,10,11,10,11,10,11,11,11,
9,10,11,11,10,11,11,11,10,11,11,11,10,10,10,10,
10,11,10,10,11,11,10,10, 9,11,10,10,11,11,10,10,
10,11,10,10,10,10,10,10, 9,11,10,10, 8,10, 8, 6,
5, 6, 6, 7, 7, 8, 8, 8, 9,10,11,10,10,11,11,12,
12,10,11,12,12,12,12,13,13,13,13,13,12,13,13,15,
14,12,14,15,16,12,12,13,15,14,16,15,17,18,15,17,
16,15,15,15,15,13,13,10,14,12,13,17,17,18,10,17,
4,
};
static const int SecondCodeLengths_4[321] =
{
4, 5, 6, 6, 6, 6, 7, 7, 6, 7, 7, 9, 6, 8, 8, 7,
7, 8, 8, 8, 6, 9, 8, 8, 7, 9, 8, 9, 8, 9, 8, 9,
6, 9, 8, 9, 8,10, 9, 9, 8,10, 8,10, 8, 9, 8, 9,
8, 8, 7, 9, 9, 9, 9, 9, 8,10, 9,10, 9,10, 9, 8,
7, 8, 9, 9, 8, 9, 9, 9, 7,10, 9,10, 9, 9, 8, 9,
8, 9, 8, 8, 8, 9, 9,10, 9, 9, 8,11, 9,11,10,10,
8, 8,10, 8, 8, 9, 9, 9,10, 9,10,11, 9, 9, 9, 9,
8, 9, 8, 8, 8,10,10, 9, 9, 8,10,11,10,11,11, 9,
8, 9,10,11, 9,10,11,11, 9,12,10,10,10,12,11,11,
9,11,11,12, 9,11, 9,10,10,10,10,12, 9,11,10,11,
9,11,11,11,10,11,11,12, 9,10,10,12,11,11,10,11,
9,11,10,11,10,11, 9,11,11, 9, 8,11,10,11,11,10,
7,12,11,11,11,11,11,12,10,12,11,13,11,10,12,11,
10,11,10,11,10,11,11,11,10,12,11,11,10,11,10,10,
10,11,10,12,11,12,10,11, 9,11,10,11,10,11,10,12,
9,11,11,11, 9,11,10,10, 9,11,10,10, 9,10, 9, 7,
4, 5, 5, 5, 6, 6, 7, 6, 8, 7, 8, 9, 9, 7, 8, 8,
10, 9,10,10,12,10,11,11,11,11,10,11,12,11,11,11,
11,11,13,12,11,12,13,12,12,12,13,11, 9,12,13, 7,
13,11,13,11,10,11,13,15,15,12,14,15,15,15, 6,15,
5,
};
static const int OffsetCodeLengths_4[11] =
{
3, 6, 5, 4, 2, 3, 3, 3, 4, 4, 6,
};
static const int FirstCodeLengths_5[321] =
{
7, 9, 9, 9, 9, 9, 9, 9, 9, 8, 9, 9, 9, 7, 9, 9,
9, 9, 9, 9, 9, 9, 9,10, 9,10, 9,10, 9,10, 9, 9,
5, 9, 7, 9, 9, 9, 9, 9, 7, 7, 7, 9, 7, 7, 8, 7,
8, 8, 7, 7, 9, 9, 9, 9, 7, 7, 7, 9, 9, 9, 9, 9,
9, 7, 9, 7, 7, 7, 7, 9, 9, 7, 9, 9, 7, 7, 7, 7,
7, 9, 7, 8, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
9, 7, 8, 7, 7, 7, 8, 8, 6, 7, 9, 7, 7, 8, 7, 5,
6, 9, 5, 7, 5, 6, 7, 7, 9, 8, 9, 9, 9, 9, 9, 9,
9, 9,10, 9,10,10,10, 9, 9,10,10,10,10,10,10,10,
9,10,10,10,10,10,10,10,10,10,10,10, 9,10,10,10,
9,10,10,10, 9, 9,10, 9, 9, 9, 9,10,10,10,10,10,
10,10,10,10,10,10, 9,10,10,10,10,10,10,10,10,10,
9,10,10,10, 9,10,10,10, 9, 9, 9,10,10,10,10,10,
9,10, 9,10,10, 9,10,10, 9,10,10,10,10,10,10,10,
9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
9,10,10,10,10,10,10,10, 9,10, 9,10, 9,10,10, 9,
5, 6, 8, 8, 7, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
10,10,10,10,10,10,10,10, 9,10,10, 5,10, 8, 9, 8,
9,
};
static const int SecondCodeLengths_5[321] =
{
8,10,11,11,11,12,11,11,12, 6,11,12,10, 5,12,12,
12,12,12,12,12,13,13,14,13,13,12,13,12,13,12,15,
4,10, 7, 9,11,11,10, 9, 6, 7, 8, 9, 6, 7, 6, 7,
8, 7, 7, 8, 8, 8, 8, 8, 8, 9, 8, 7,10, 9,10,10,
11, 7, 8, 6, 7, 8, 8, 9, 8, 7,10,10, 8, 7, 8, 8,
7,10, 7, 6, 7, 9, 9, 8,11,11,11,10,11,11,11, 8,
11, 6, 7, 6, 6, 6, 6, 8, 7, 6,10, 9, 6, 7, 6, 6,
7,10, 6, 5, 6, 7, 7, 7,10, 8,11, 9,13, 7,14,16,
12,14,14,15,15,16,16,14,15,15,15,15,15,15,15,15,
14,15,13,14,14,16,15,17,14,17,15,17,12,14,13,16,
12,17,13,17,14,13,13,14,14,12,13,15,15,14,15,17,
14,17,15,14,15,16,12,16,15,14,15,16,15,16,17,17,
15,15,17,17,13,14,15,15,13,12,16,16,17,14,15,16,
15,15,13,13,15,13,16,17,15,17,17,17,16,17,14,17,
14,16,15,17,15,15,14,17,15,17,15,16,15,15,16,16,
14,17,17,15,15,16,15,17,15,14,16,16,16,16,16,12,
4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 8, 9, 9,
9, 9, 9,10,10,10,11,10,11,11,11,11,11,12,12,12,
13,13,12,13,12,14,14,12,13,13,13,13,14,12,13,13,
14,14,14,13,14,14,15,15,13,15,13,17,17,17, 9,17,
7,
};
static const int OffsetCodeLengths_5[11] =
{
6, 7, 7, 6, 4, 3, 2, 2, 3, 3, 6,
};
static const int *FirstCodeLengths[5] =
{
FirstCodeLengths_1,FirstCodeLengths_2,FirstCodeLengths_3,FirstCodeLengths_4,FirstCodeLengths_5
};
static const int *SecondCodeLengths[5] =
{
SecondCodeLengths_1,SecondCodeLengths_2,SecondCodeLengths_3,SecondCodeLengths_4,SecondCodeLengths_5
};
static const int *OffsetCodeLengths[5] =
{
OffsetCodeLengths_1,OffsetCodeLengths_2,OffsetCodeLengths_3,OffsetCodeLengths_4,OffsetCodeLengths_5
};
static const int OffsetCodeSize[5] = { 11,13,14,11,11 };
static const int MetaCodes[37] =
{
0x5d8,0x058,0x040,0x0c0,0x000,0x078,0x02b,0x014,
0x00c,0x01c,0x01b,0x00b,0x010,0x020,0x038,0x018,
0x0d8,0xbd8,0x180,0x680,0x380,0xf80,0x780,0x480,
0x080,0x280,0x3d8,0xfd8,0x7d8,0x9d8,0x1d8,0x004,
0x001,0x002,0x007,0x003,0x008
};
static const int MetaCodeLengths[37] =
{
11,8,8,8,8,7,6,5,5,5,5,6,5,6,7,7,9,12,10,11,11,12,
12,11,11,11,12,12,12,12,12,5,2,2,3,4,5
};
StuffIt13Decompressor::StuffIt13Decompressor()
: LZSSDecompressor(65536)
, firstcodei(nullptr)
, secondcodei(nullptr)
, offsetcodei(nullptr)
, firstcoder(nullptr)
, secondcoder(nullptr)
, offsetcoder(nullptr)
{
}
StuffIt13Decompressor::~StuffIt13Decompressor()
{
delete firstcodei;
delete secondcodei;
delete offsetcodei;
}
bool StuffIt13Decompressor::resetLZSSHandle()
{
delete firstcodei;
delete secondcodei;
delete offsetcodei;
firstcodei = secondcodei = offsetcodei = nullptr;
firstcoder = secondcoder = offsetcoder = nullptr;
int val;
if (!CSInputNextByte(input, val))
return false;
int code = val >> 4;
if (code == 0)
{
XADPrefixCode *metacode = XADPrefixCode::prefixCode();
for (int i = 0; i < 37; i++)
metacode->addValueLowBitFirst(i, MetaCodes[i], MetaCodeLengths[i]);
firstcodei = firstcoder = this->allocAndParseCodeOfSize(321, metacode);
if (val & 0x08)
secondcoder = firstcoder;
else
secondcodei = secondcoder = this->allocAndParseCodeOfSize(321, metacode);
offsetcodei = offsetcoder = this->allocAndParseCodeOfSize((val & 0x07) + 10, metacode);
}
else if (code < 6)
{
firstcoder = firstcodei = XADPrefixCode::prefixCodeWithLengths(FirstCodeLengths[code - 1], 321, 32, true);
secondcoder = secondcodei = XADPrefixCode::prefixCodeWithLengths(SecondCodeLengths[code - 1], 321, 32, true);
offsetcoder = offsetcodei = XADPrefixCode::prefixCodeWithLengths(OffsetCodeLengths[code - 1], OffsetCodeSize[code - 1], 32, true);
}
else
return false;
currcode = firstcoder;
return true;
}
XADPrefixCode *StuffIt13Decompressor::allocAndParseCodeOfSize(int numcodes, XADPrefixCode *metacode)
{
int length = 0;
std::vector<int> lengths;
lengths.resize(numcodes);
for (int i = 0; i < numcodes; i++)
{
int val;
if (!CSInputNextSymbolUsingCodeLE(input, metacode, val))
return nullptr;
switch (val)
{
case 31: length = -1; break;
case 32: length++; break;
case 33: length--; break;
case 34:
{
unsigned int bit;
if (!CSInputNextBitLE(input, bit))
return nullptr;
if (bit)
lengths[i++] = length;
}
break;
case 35:
{
unsigned int bits;
if (!CSInputNextBitStringLE(input, 3, bits))
return false;
val = bits + 2;
while (val--)
lengths[i++] = length;
}
break;
case 36:
{
unsigned int bits;
if (!CSInputNextBitStringLE(input, 6, bits))
return false;
val = bits + 10;
while (val--)
lengths[i++] = length;
}
break;
default:
length = val + 1;
break;
}
lengths[i] = length;
}
return XADPrefixCode::prefixCodeWithLengths(lengths.data(), numcodes, 32, true);
}
bool StuffIt13Decompressor::nextLiteralOrOffset(int *offset, int *length, int &result)
{
int val;
if (!CSInputNextSymbolUsingCodeLE(input, currcode, val))
return false;
if (val < 0x100)
{
currcode = firstcoder;
result = val;
return true;
}
else
{
currcode = secondcoder;
if (val < 0x13e)
*length = val - 0x100 + 3;
else if (val == 0x13e)
{
unsigned int bits;
if (!CSInputNextBitStringLE(input, 10, bits))
return false;
*length = bits + 65;
}
else if (val == 0x13f)
{
unsigned int bits;
if (!CSInputNextBitStringLE(input, 15, bits))
return false;
*length = bits + 65;
}
else
{
result = XADLZSSEnd;
return true;
}
int bitlength;
if (!CSInputNextSymbolUsingCodeLE(input, offsetcoder, bitlength))
return false;
if (bitlength == 0)
*offset = 1;
else if (bitlength == 1)
*offset = 2;
else
{
unsigned int bits;
if (!CSInputNextBitStringLE(input, bitlength - 1, bits))
return false;
*offset = (1 << (bitlength - 1)) + bits + 1;
}
result = XADLZSSMatch;
return true;
}
}

22
unpacktool/StuffIt13Decompressor.h Normal file
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#pragma once
#include "LZSSDecompressor.h"
#include "IFileReader.h"
class XADPrefixCode;
class StuffIt13Decompressor : public LZSSDecompressor
{
public:
StuffIt13Decompressor();
~StuffIt13Decompressor();
private:
XADPrefixCode *firstcodei, *secondcodei, *offsetcodei;
XADPrefixCode *firstcoder, *secondcoder, *offsetcoder;
XADPrefixCode *currcode;
bool resetLZSSHandle();
XADPrefixCode *allocAndParseCodeOfSize(int numcodes, XADPrefixCode *metacode);
bool nextLiteralOrOffset(int *offset, int *length, int &result);
};

333
unpacktool/StuffIt5Parser.cpp Normal file
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#include "StuffIt5Parser.h"
#include "UPByteSwap.h"
#include "IFileReader.h"
#include "ArchiveDescription.h"
#include "StuffItCommon.h"
#include "PLBigEndian.h"
#include <vector>
#include "CSInputBuffer.h"
struct StuffIt5Header
{
uint8_t m_signature[80];
uint8_t m_unknown1[4];
BEUInt32_t m_fileSize;
uint8_t m_unknown2[4];
BEUInt16_t m_numRootDirEntries;
BEUInt32_t m_rootDirFirstEntryOffset;
};
struct StuffIt5DataBlockDesc
{
BEUInt32_t m_uncompressedSize;
BEUInt32_t m_compressedSize;
BEUInt16_t m_crc;
uint8_t m_unknown[2];
uint8_t m_algorithm_dirNumFilesHigh;
uint8_t m_passwordDataLength_dirNumFilesLow;
};
struct StuffIt5BlockHeader
{
uint8_t m_identifier[4];
uint8_t m_version;
uint8_t m_unknown1;
BEUInt16_t m_headerSize;
uint8_t m_unknown2;
uint8_t m_flags;
BEUInt32_t m_creationDate;
BEUInt32_t m_modificationDate;
BEUInt32_t m_prevEntryOffset;
BEUInt32_t m_nextEntryOffset;
BEUInt32_t m_dirEntryOffset;
BEUInt16_t m_fileNameSize;
BEUInt16_t m_headerCRC;
StuffIt5DataBlockDesc m_dataForkDesc;
// Followed by:
// uint8_t passwordData[m_passwordDataLength_dirNumFilesLow]
// uint8_t filename[m_fileNameSize]
// BEUInt16 commentSize
// uint8_t unknown4[2]
// Comment[commentSize]
};
struct StuffIt5BlockAnnex1
{
BEUInt16_t m_unknown1; // Low bit = has resource fork
BEUInt16_t m_unknown2;
uint8_t m_fileType[4];
uint8_t m_fileCreator[4];
BEUInt16_t m_finderFlags;
};
#define SIT5_ID 0xA5A5A5A5
#define SIT5FLAGS_DIRECTORY 0x40
#define SIT5FLAGS_CRYPTED 0x20
#define SIT5FLAGS_RSRC_FORK 0x10
#define SIT5_ARCHIVEVERSION 5
#define SIT5_ARCHIVEFLAGS_14BYTES 0x10
#define SIT5_ARCHIVEFLAGS_20 0x20
#define SIT5_ARCHIVEFLAGS_40 0x40
#define SIT5_ARCHIVEFLAGS_CRYPTED 0x80
#define SIT5_KEY_LENGTH 5 /* 40 bits */
struct StuffIt5Block
{
StuffIt5BlockHeader m_header;
StuffIt5BlockAnnex1 m_annex1;
bool m_isDirectory;
bool m_hasResourceFork;
StuffIt5DataBlockDesc m_resourceForkDesc;
std::vector<uint8_t> m_resourceForkPasswordData;
IFileReader::FilePos_t m_dataForkPos;
IFileReader::FilePos_t m_resForkPos;
uint16_t m_commentSize;
IFileReader::FilePos_t m_commentPos;
std::vector<uint8_t> m_passwordData;
std::vector<uint8_t> m_filename;
std::vector<StuffIt5Block> m_children;
bool Read(IFileReader &reader)
{
if (!reader.ReadExact(&m_header, sizeof(m_header)))
return false;
uint32_t sizeWithOnlyNameAndPasswordInfo = sizeof(m_header);
m_isDirectory = ((m_header.m_flags & SIT5FLAGS_DIRECTORY) != 0);
if (!m_isDirectory && m_header.m_dataForkDesc.m_passwordDataLength_dirNumFilesLow != 0)
{
m_passwordData.resize(m_header.m_dataForkDesc.m_passwordDataLength_dirNumFilesLow);
if (!reader.ReadExact(&m_passwordData[0], m_header.m_dataForkDesc.m_passwordDataLength_dirNumFilesLow))
return false;
sizeWithOnlyNameAndPasswordInfo += m_header.m_dataForkDesc.m_passwordDataLength_dirNumFilesLow;
}
if (m_header.m_fileNameSize)
{
m_filename.resize(m_header.m_fileNameSize);
if (!reader.ReadExact(&m_filename[0], m_header.m_fileNameSize))
return false;
sizeWithOnlyNameAndPasswordInfo += m_header.m_fileNameSize;
}
uint32_t sizeWithCommentData = sizeWithOnlyNameAndPasswordInfo;
if (sizeWithOnlyNameAndPasswordInfo != m_header.m_headerSize)
{
if (sizeWithOnlyNameAndPasswordInfo > m_header.m_headerSize || m_header.m_headerSize - sizeWithOnlyNameAndPasswordInfo < 4)
return false;
BEUInt16_t extras[2];
if (!reader.ReadExact(extras, sizeof(extras)))
return false;
uint16_t commentLength = extras[0];
if (commentLength > m_header.m_headerSize - sizeWithOnlyNameAndPasswordInfo - 4)
return false;
m_commentSize = commentLength;
m_commentPos = reader.GetPosition();
if (commentLength)
{
if (reader.SeekCurrent(commentLength))
return false;
}
sizeWithCommentData += commentLength + 4;
}
else
{
m_commentSize = 0;
m_commentPos = 0;
}
if (!reader.SeekCurrent(m_header.m_headerSize - sizeWithCommentData))
return false;
if (!reader.ReadExact(&m_annex1, sizeof(m_annex1)))
return false;
if (m_header.m_version == 1)
{
if (!reader.SeekCurrent(22))
return false;
}
else
{
if (!reader.SeekCurrent(18))
return false;
}
m_hasResourceFork = ((m_annex1.m_unknown1 & 0x01) != 0);
if (m_hasResourceFork)
{
if (!reader.ReadExact(&m_resourceForkDesc, sizeof(m_resourceForkDesc)))
return false;
if (m_resourceForkDesc.m_passwordDataLength_dirNumFilesLow)
{
m_resourceForkPasswordData.resize(m_resourceForkDesc.m_passwordDataLength_dirNumFilesLow);
if (!reader.ReadExact(&m_resourceForkPasswordData[0], m_resourceForkDesc.m_passwordDataLength_dirNumFilesLow))
return false;
}
}
if (m_isDirectory)
{
int numFiles = (m_header.m_dataForkDesc.m_algorithm_dirNumFilesHigh << 8) | (m_header.m_dataForkDesc.m_passwordDataLength_dirNumFilesLow);
m_children.resize(numFiles);
for (int i = 0; i < numFiles; i++)
{
if (i != 0)
{
if (!reader.SeekStart(m_children[i - 1].m_header.m_nextEntryOffset))
return false;
}
if (!m_children[i].Read(reader))
return false;
}
}
else
{
if (m_hasResourceFork)
{
m_resForkPos = reader.GetPosition();
m_dataForkPos = m_resForkPos + m_resourceForkDesc.m_compressedSize;
}
else
m_dataForkPos = reader.GetPosition();
}
return true;
}
};
static ArchiveItemList *ConvertToItemList(const std::vector<StuffIt5Block> &blocks);
static void ConvertItem(const StuffIt5Block &block, ArchiveItem &item)
{
item.m_isDirectory = block.m_isDirectory;
if (block.m_isDirectory)
item.m_children = ConvertToItemList(block.m_children);
else
{
item.m_macProperties.m_creationDate = block.m_header.m_creationDate;
item.m_macProperties.m_modifiedDate = block.m_header.m_modificationDate;
memcpy(item.m_macProperties.m_fileCreator, block.m_annex1.m_fileCreator, 4);
memcpy(item.m_macProperties.m_fileType, block.m_annex1.m_fileType, 4);
item.m_macProperties.m_finderFlags = block.m_annex1.m_finderFlags;
item.m_dataForkDesc.m_filePosition = block.m_dataForkPos;
item.m_dataForkDesc.m_compressedSize = block.m_header.m_dataForkDesc.m_compressedSize;
item.m_dataForkDesc.m_uncompressedSize = block.m_header.m_dataForkDesc.m_uncompressedSize;
item.m_dataForkDesc.m_compressionMethod = StuffItCommon::ResolveCompressionMethod(block.m_header.m_dataForkDesc.m_algorithm_dirNumFilesHigh);
if (block.m_hasResourceFork)
{
item.m_resourceForkDesc.m_filePosition = block.m_resForkPos;
item.m_resourceForkDesc.m_compressedSize = block.m_resourceForkDesc.m_compressedSize;
item.m_resourceForkDesc.m_uncompressedSize = block.m_resourceForkDesc.m_uncompressedSize;
item.m_resourceForkDesc.m_compressionMethod = StuffItCommon::ResolveCompressionMethod(block.m_resourceForkDesc.m_algorithm_dirNumFilesHigh);
}
}
item.m_fileNameUTF8 = block.m_filename;
item.m_commentDesc.m_compressedSize = block.m_commentSize;
item.m_commentDesc.m_uncompressedSize = block.m_commentSize;
item.m_commentDesc.m_filePosition = block.m_commentPos;
item.m_commentDesc.m_compressionMethod = CompressionMethods::kNone;
}
static ArchiveItemList *ConvertToItemList(const std::vector<StuffIt5Block> &blocks)
{
ArchiveItemList *list = new ArchiveItemList();
const size_t numItems = blocks.size();
list->m_items.resize(numItems);
for (size_t i = 0; i < numItems; i++)
{
ConvertItem(blocks[i], list->m_items[i]);
}
return list;
}
bool StuffIt5Parser::Check(IFileReader &reader)
{
char signatureBytes[80];
if (reader.FileSize() < sizeof(signatureBytes))
return false;
if (!reader.SeekStart(0))
return false;
if (!reader.ReadExact(signatureBytes, sizeof(signatureBytes)))
return false;
const char *match = "StuffIt (c)1997-\xFF\xFF\xFF\xFF Aladdin Systems, Inc., http://www.aladdinsys.com/StuffIt/\x0d\x0a";
const char *checkByte = signatureBytes;
while (*match && (*checkByte == *match || *match == '\377'))
{
match++;
checkByte++;
}
return (*match) == '\0';
}
ArchiveItemList *StuffIt5Parser::Parse(IFileReader &reader)
{
reader.SeekStart(0);
StuffIt5Header header;
if (!reader.Read(&header, sizeof(header)))
return nullptr;
uint16_t numRootDirEntries = header.m_numRootDirEntries;
if (!reader.SeekStart(header.m_rootDirFirstEntryOffset))
return nullptr;
std::vector<StuffIt5Block> rootDirBlocks;
rootDirBlocks.resize(numRootDirEntries);
for (int i = 0; i < numRootDirEntries; i++)
{
if (i != 0)
reader.SeekStart(rootDirBlocks[i - 1].m_header.m_nextEntryOffset);
if (!rootDirBlocks[i].Read(reader))
return nullptr;
}
return ConvertToItemList(rootDirBlocks);
}

10
unpacktool/StuffIt5Parser.h Normal file
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#pragma once
#include "IArchiveParser.h"
class StuffIt5Parser : public IArchiveParser
{
public:
bool Check(IFileReader &reader) override;
ArchiveItemList *Parse(IFileReader &reader) override;
};

366
unpacktool/StuffItArsenicDecompressor.cpp Normal file
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#include "StuffItArsenicDecompressor.h"
#include "CRC.h"
#include "CSInputBuffer.h"
#include <stdlib.h>
#include <string.h>
#include <crtdbg.h>
static const uint16_t RandomizationTable[] =
{
0xee, 0x56, 0xf8, 0xc3, 0x9d, 0x9f, 0xae, 0x2c,
0xad, 0xcd, 0x24, 0x9d, 0xa6, 0x101, 0x18, 0xb9,
0xa1, 0x82, 0x75, 0xe9, 0x9f, 0x55, 0x66, 0x6a,
0x86, 0x71, 0xdc, 0x84, 0x56, 0x96, 0x56, 0xa1,
0x84, 0x78, 0xb7, 0x32, 0x6a, 0x3, 0xe3, 0x2,
0x11, 0x101, 0x8, 0x44, 0x83, 0x100, 0x43, 0xe3,
0x1c, 0xf0, 0x86, 0x6a, 0x6b, 0xf, 0x3, 0x2d,
0x86, 0x17, 0x7b, 0x10, 0xf6, 0x80, 0x78, 0x7a,
0xa1, 0xe1, 0xef, 0x8c, 0xf6, 0x87, 0x4b, 0xa7,
0xe2, 0x77, 0xfa, 0xb8, 0x81, 0xee, 0x77, 0xc0,
0x9d, 0x29, 0x20, 0x27, 0x71, 0x12, 0xe0, 0x6b,
0xd1, 0x7c, 0xa, 0x89, 0x7d, 0x87, 0xc4, 0x101,
0xc1, 0x31, 0xaf, 0x38, 0x3, 0x68, 0x1b, 0x76,
0x79, 0x3f, 0xdb, 0xc7, 0x1b, 0x36, 0x7b, 0xe2,
0x63, 0x81, 0xee, 0xc, 0x63, 0x8b, 0x78, 0x38,
0x97, 0x9b, 0xd7, 0x8f, 0xdd, 0xf2, 0xa3, 0x77,
0x8c, 0xc3, 0x39, 0x20, 0xb3, 0x12, 0x11, 0xe,
0x17, 0x42, 0x80, 0x2c, 0xc4, 0x92, 0x59, 0xc8,
0xdb, 0x40, 0x76, 0x64, 0xb4, 0x55, 0x1a, 0x9e,
0xfe, 0x5f, 0x6, 0x3c, 0x41, 0xef, 0xd4, 0xaa,
0x98, 0x29, 0xcd, 0x1f, 0x2, 0xa8, 0x87, 0xd2,
0xa0, 0x93, 0x98, 0xef, 0xc, 0x43, 0xed, 0x9d,
0xc2, 0xeb, 0x81, 0xe9, 0x64, 0x23, 0x68, 0x1e,
0x25, 0x57, 0xde, 0x9a, 0xcf, 0x7f, 0xe5, 0xba,
0x41, 0xea, 0xea, 0x36, 0x1a, 0x28, 0x79, 0x20,
0x5e, 0x18, 0x4e, 0x7c, 0x8e, 0x58, 0x7a, 0xef,
0x91, 0x2, 0x93, 0xbb, 0x56, 0xa1, 0x49, 0x1b,
0x79, 0x92, 0xf3, 0x58, 0x4f, 0x52, 0x9c, 0x2,
0x77, 0xaf, 0x2a, 0x8f, 0x49, 0xd0, 0x99, 0x4d,
0x98, 0x101, 0x60, 0x93, 0x100, 0x75, 0x31, 0xce,
0x49, 0x20, 0x56, 0x57, 0xe2, 0xf5, 0x26, 0x2b,
0x8a, 0xbf, 0xde, 0xd0, 0x83, 0x34, 0xf4, 0x17
};
// Arithmetic decoder model
void StuffItArsenicDecompressor::InitializeArithmeticModel(ArithmeticModel *model,int firstsymbol,int lastsymbol,int increment,int frequencylimit)
{
model->increment=increment;
model->frequencylimit=frequencylimit;
model->numsymbols=lastsymbol-firstsymbol+1;
for(int i=0;i<model->numsymbols;i++) model->symbols[i].symbol=i+firstsymbol;
ResetArithmeticModel(model);
}
void StuffItArsenicDecompressor::ResetArithmeticModel(ArithmeticModel *model)
{
model->totalfrequency=model->increment*model->numsymbols;
for(int i=0;i<model->numsymbols;i++) model->symbols[i].frequency=model->increment;
}
void StuffItArsenicDecompressor::IncreaseArithmeticModelFrequency(ArithmeticModel *model,int symindex)
{
model->symbols[symindex].frequency+=model->increment;
model->totalfrequency+=model->increment;
if(model->totalfrequency>model->frequencylimit)
{
model->totalfrequency=0;
for(int i=0;i<model->numsymbols;i++)
{
model->symbols[i].frequency++;
model->symbols[i].frequency>>=1;
model->totalfrequency+=model->symbols[i].frequency;
}
}
}
// Arithmetic decoder
#define NumBits 26
#define One (1<<(NumBits-1))
#define Half (1<<(NumBits-2))
bool StuffItArsenicDecompressor::InitializeArithmeticDecoder(ArithmeticDecoder *decoder,CSInputBuffer *input)
{
unsigned int initialCode;
if (!CSInputNextLongBitString(input, NumBits, initialCode))
return false;
decoder->input=input;
decoder->range=One;
decoder->code = initialCode;
return true;
}
bool StuffItArsenicDecompressor::ReadNextArithmeticCode(ArithmeticDecoder *decoder,int symlow,int symsize,int symtot)
{
int renorm_factor=decoder->range/symtot;
int lowincr=renorm_factor*symlow;
decoder->code-=lowincr;
if(symlow+symsize==symtot) decoder->range-=lowincr;
else decoder->range=symsize*renorm_factor;
while(decoder->range<=Half)
{
decoder->range<<=1;
unsigned int bit;
if (!CSInputNextBit(decoder->input, bit))
return false;
decoder->code = (decoder->code << 1) | bit;
}
return true;
}
bool StuffItArsenicDecompressor::NextArithmeticSymbol(ArithmeticDecoder *decoder,ArithmeticModel *model,int &outSymbol)
{
int frequency=decoder->code/(decoder->range/model->totalfrequency);
int cumulative=0,n;
for(n=0;n<model->numsymbols-1;n++)
{
if(cumulative+model->symbols[n].frequency>frequency) break;
cumulative+=model->symbols[n].frequency;
}
if (!ReadNextArithmeticCode(decoder, cumulative, model->symbols[n].frequency, model->totalfrequency))
return false;
IncreaseArithmeticModelFrequency(model,n);
outSymbol = model->symbols[n].symbol;
return true;
}
bool StuffItArsenicDecompressor::NextArithmeticBitString(ArithmeticDecoder *decoder,ArithmeticModel *model,int bits,int &outBits)
{
int res=0;
for (int i = 0; i < bits; i++)
{
int sym;
if (!NextArithmeticSymbol(decoder, model, sym))
return false;
if (sym)
res |= 1 << i;
}
outBits = res;
return true;
}
StuffItArsenicDecompressor::StuffItArsenicDecompressor()
: block(NULL)
, transform(NULL)
{
}
StuffItArsenicDecompressor::~StuffItArsenicDecompressor()
{
delete[] block;
delete[] transform;
}
bool StuffItArsenicDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
if (!InitializeArithmeticDecoder(&decoder, input))
return false;
InitializeArithmeticModel(&initialmodel,0,1,1,256);
InitializeArithmeticModel(&selectormodel,0,10,8,1024);
InitializeArithmeticModel(&mtfmodel[0],2,3,8,1024);
InitializeArithmeticModel(&mtfmodel[1],4,7,4,1024);
InitializeArithmeticModel(&mtfmodel[2],8,15,4,1024);
InitializeArithmeticModel(&mtfmodel[3],16,31,4,1024);
InitializeArithmeticModel(&mtfmodel[4],32,63,2,1024);
InitializeArithmeticModel(&mtfmodel[5],64,127,2,1024);
InitializeArithmeticModel(&mtfmodel[6],128,255,1,1024);
int bits;
if (!NextArithmeticBitString(&decoder, &initialmodel, 8, bits) || bits != 'A')
return false;
if (!NextArithmeticBitString(&decoder, &initialmodel, 8, bits) || bits != 's')
return false;
if (!NextArithmeticBitString(&decoder, &initialmodel, 4, blockbits))
return false;
blockbits+=9;
blocksize=1<<blockbits;
numbytes=bytecount=0;
repeat=0;
delete[] block;
block=new uint8_t[blocksize];
crc=0xffffffff;
compcrc=0;
// check first end marker
int eobsym;
if (!NextArithmeticSymbol(&decoder, &initialmodel, eobsym))
return false;
endofblocks = (eobsym != 0);
return true;
}
bool StuffItArsenicDecompressor::ReadBlock()
{
ResetMTFDecoder(&mtf);
if (!NextArithmeticSymbol(&decoder, &initialmodel, randomized))
return false;
if (!NextArithmeticBitString(&decoder, &initialmodel, blockbits, transformindex))
return false;
numbytes=0;
for(;;)
{
int sel;
if (!NextArithmeticSymbol(&decoder, &selectormodel, sel))
return false;
if(sel==0||sel==1) // zero counting
{
int zerostate=1,zerocount=0;
while(sel<2)
{
if(sel==0) zerocount+=zerostate;
else if(sel==1) zerocount+=2*zerostate;
zerostate*=2;
if (!NextArithmeticSymbol(&decoder, &selectormodel, sel))
return false;
}
if (numbytes + zerocount > blocksize)
return false;
memset(&block[numbytes],DecodeMTF(&mtf,0),zerocount);
numbytes+=zerocount;
}
int symbol;
if(sel==10)
break;
else if(sel==2)
symbol=1;
else
{
if (!NextArithmeticSymbol(&decoder, &mtfmodel[sel - 3], symbol))
return false;
}
if (numbytes >= blocksize)
return false;
block[numbytes++] = DecodeMTF(&mtf, symbol);
}
if (transformindex >= numbytes)
return false;
ResetArithmeticModel(&selectormodel);
for(int i=0;i<7;i++) ResetArithmeticModel(&mtfmodel[i]);
int endMarkerSym;
if (!NextArithmeticSymbol(&decoder, &initialmodel, endMarkerSym))
return false;
if(endMarkerSym) // end marker
{
int compcrcsym;
if (!NextArithmeticBitString(&decoder, &initialmodel, 32, compcrcsym))
return false;
compcrc = compcrcsym;
endofblocks=true;
}
free(transform);
transform = new uint32_t[numbytes];
CalculateInverseBWT(transform,block,numbytes);
return true;
}
bool StuffItArsenicDecompressor::ReadBytes(void *dest, size_t numBytes)
{
while (numBytes)
{
uint8_t outbyte;
if (repeat)
{
repeat--;
outbyte = last;
}
else
{
retry:
if (bytecount >= numbytes)
{
if (endofblocks)
return false;
if (!this->ReadBlock())
return false;
bytecount = 0;
count = 0;
last = 0;
randindex = 0;
randcount = RandomizationTable[0];
}
transformindex = transform[transformindex];
int byte = block[transformindex];
if (randomized&&randcount == bytecount)
{
byte ^= 1;
randindex = (randindex + 1) & 255;
randcount += RandomizationTable[randindex];
}
bytecount++;
if (count == 4)
{
count = 0;
if (byte == 0) goto retry;
repeat = byte - 1;
outbyte = last;
}
else
{
if (byte == last) count++;
else { count = 1; last = byte; }
outbyte = byte;
}
}
crc = XADCRC(crc, outbyte, XADCRCTable_edb88320);
uint8_t *destBytes = static_cast<uint8_t*>(dest);
destBytes[0] = outbyte;
numBytes--;
dest = destBytes + 1;
}
return true;
}

65
unpacktool/StuffItArsenicDecompressor.h Normal file
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#pragma once
#include "IDecompressor.h"
#include "BWT.h"
class StuffItArsenicDecompressor : public IDecompressor
{
public:
StuffItArsenicDecompressor();
~StuffItArsenicDecompressor() override;
bool Reset(CSInputBuffer *reader, size_t compressedSize, size_t decompressedSize) override;
bool ReadBytes(void *dest, size_t numBytes) override;
private:
struct ArithmeticSymbol
{
int symbol;
int frequency;
};
struct ArithmeticModel
{
int totalfrequency;
int increment;
int frequencylimit;
int numsymbols;
ArithmeticSymbol symbols[128];
};
struct ArithmeticDecoder
{
CSInputBuffer *input;
int range, code;
};
ArithmeticModel initialmodel, selectormodel, mtfmodel[7];
ArithmeticDecoder decoder;
MTFState mtf;
int blockbits, blocksize;
uint8_t *block;
bool endofblocks;
int numbytes, bytecount, transformindex;
uint32_t *transform;
int randomized, randcount, randindex;
int repeat, count, last;
uint32_t crc, compcrc;
static void ResetArithmeticModel(ArithmeticModel *model);
static void InitializeArithmeticModel(ArithmeticModel *model, int firstsymbol, int lastsymbol, int increment, int frequencylimit);
static void IncreaseArithmeticModelFrequency(ArithmeticModel *model, int symindex);
static bool InitializeArithmeticDecoder(ArithmeticDecoder *decoder, CSInputBuffer *input);
static bool ReadNextArithmeticCode(ArithmeticDecoder *decoder, int symlow, int symsize, int symtot);
static bool NextArithmeticSymbol(ArithmeticDecoder *decoder, ArithmeticModel *model, int &outSym);
static bool NextArithmeticBitString(ArithmeticDecoder *decoder, ArithmeticModel *model, int bits, int &outBitString);
bool ReadBlock();
};

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unpacktool/StuffItCommon.cpp Normal file
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#include "StuffItCommon.h"
CompressionMethod_t StuffItCommon::ResolveCompressionMethod(int stuffItMethod)
{
switch (stuffItMethod)
{
case 0:
return CompressionMethods::kNone;
case 1:
return CompressionMethods::kStuffItRLE90;
case 2:
return CompressionMethods::kStuffItLZW;
case 3:
return CompressionMethods::kStuffItHuffman;
case 5:
return CompressionMethods::kStuffItLZAH;
case 6:
return CompressionMethods::kStuffItFixedHuffman;
case 8:
return CompressionMethods::kStuffItMW;
case 13:
return CompressionMethods::kStuffIt13;
case 14:
return CompressionMethods::kStuffIt14;
case 15:
return CompressionMethods::kStuffItArsenic;
default:
return CompressionMethods::kUnknown;
}
}

8
unpacktool/StuffItCommon.h Normal file
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#pragma once
#include "ArchiveDescription.h"
namespace StuffItCommon
{
CompressionMethod_t ResolveCompressionMethod(int stuffItMethod);
}

75
unpacktool/StuffItHuffmanDecompressor.cpp Normal file
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#include "StuffItHuffmanDecompressor.h"
StuffItHuffmanDecompressor::StuffItHuffmanDecompressor()
: input(nullptr)
, code(nullptr)
{
}
StuffItHuffmanDecompressor::~StuffItHuffmanDecompressor()
{
delete code;
}
bool StuffItHuffmanDecompressor::Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize)
{
this->input = input;
code = nullptr;
return this->resetByteStream();
}
bool StuffItHuffmanDecompressor::resetByteStream()
{
delete code;
code = XADPrefixCode::prefixCode();
code->startBuildingTree();
if (!parseTree())
return false;
return true;
}
bool StuffItHuffmanDecompressor::parseTree()
{
unsigned int firstBit;
if (!CSInputNextBit(input, firstBit))
return false;
if (firstBit == 1)
{
unsigned int nextBits;
if (!CSInputNextBitString(input, 8, nextBits))
return false;
code->makeLeafWithValue(nextBits);
}
else
{
code->startZeroBranch();
if (!parseTree())
return false;
code->startOneBranch();
if (!parseTree())
return false;
code->finishBranches();
}
return true;
}
bool StuffItHuffmanDecompressor::ReadBytes(void *dest, size_t numBytes)
{
for (size_t i = 0; i < numBytes; i++)
{
int sym;
if (!CSInputNextSymbolUsingCode(input, code, sym))
return false;
static_cast<uint8_t*>(dest)[i] = sym;
}
return true;
}

21
unpacktool/StuffItHuffmanDecompressor.h Normal file
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#pragma once
#include "IDecompressor.h"
#include "PrefixCode.h"
class StuffItHuffmanDecompressor : public IDecompressor
{
public:
StuffItHuffmanDecompressor();
~StuffItHuffmanDecompressor();
bool Reset(CSInputBuffer *input, size_t compressedSize, size_t decompressedSize) override;
bool ReadBytes(void *dest, size_t numBytes) override;
private:
CSInputBuffer *input;
XADPrefixCode *code;
bool parseTree();
bool resetByteStream();
};

240
unpacktool/StuffItParser.cpp Normal file
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#include "StuffItParser.h"
#include "IFileReader.h"
#include "UPByteSwap.h"
#include "PLBigEndian.h"
#include "CRC.h"
#include "ArchiveDescription.h"
#include "StuffItCommon.h"
#include "StringCommon.h"
#include <vector>
bool StuffItParser::Check(IFileReader &reader)
{
if (!reader.SeekStart(0))
return false;
uint8_t bytes[14];
if (!reader.ReadExact(bytes, sizeof(bytes)))
return false;
if (ParseUInt32BE(bytes + 10) == 0x724c6175)
{
if (ParseUInt32BE(bytes) == 0x53495421)
return true;
// Installer archives?
if (bytes[0] == 'S'&&bytes[1] == 'T')
{
if (bytes[2] == 'i' && (bytes[3] == 'n' || (bytes[3] >= '0'&&bytes[3] <= '9'))) return true;
else if (bytes[2] >= '0'&&bytes[2] <= '9'&&bytes[3] >= '0'&&bytes[3] <= '9') return true;
}
}
return false;
}
#define SITFH_COMPRMETHOD 0 /* xadUINT8 rsrc fork compression method */
#define SITFH_COMPDMETHOD 1 /* xadUINT8 data fork compression method */
#define SITFH_FNAMESIZE 2 /* xadUINT8 filename size */
#define SITFH_FNAME 3 /* xadUINT8 31 byte filename */
#define SITFH_FNAME_CRC 34 /* xadUINT16 crc of filename + size */
#define SITFH_UNK 36 /* xadUINT16 unknown, always 0x0986? */
#define SITFH_RSRCLONG 38 /* xadUINT32 unknown rsrc fork value */
#define SITFH_DATALONG 42 /* xadUINT32 unknown data fork value */
#define SITFH_DATACHAR 46 /* xadUINT8 unknown data (yes, data) fork value */
#define SITFH_RSRCCHAR 47 /* xadUINT8 unknown rsrc fork value */
#define SITFH_CHILDCOUNT 48 /* xadUINT16 number of items in dir */
#define SITFH_PREVOFFS 50 /* xadUINT32 offset of previous entry */
#define SITFH_NEXTOFFS 54 /* xadUINT32 offset of next entry */
#define SITFH_PARENTOFFS 58 /* xadUINT32 offset of parent entry */
#define SITFH_CHILDOFFS 62 /* xadINT32 offset of first child entry, -1 for file entries */
#define SITFH_FTYPE 66 /* xadUINT32 file type */
#define SITFH_CREATOR 70 /* xadUINT32 file creator */
#define SITFH_FNDRFLAGS 74 /* xadUINT16 Finder flags */
#define SITFH_CREATIONDATE 76 /* xadUINT32 creation date */
#define SITFH_MODDATE 80 /* xadUINT32 modification date */
#define SITFH_RSRCLENGTH 84 /* xadUINT32 decompressed rsrc length */
#define SITFH_DATALENGTH 88 /* xadUINT32 decompressed data length */
#define SITFH_COMPRLENGTH 92 /* xadUINT32 compressed rsrc length */
#define SITFH_COMPDLENGTH 96 /* xadUINT32 compressed data length */
#define SITFH_RSRCCRC 100 /* xadUINT16 crc of rsrc fork */
#define SITFH_DATACRC 102 /* xadUINT16 crc of data fork */
#define SITFH_RSRCPAD 104 /* xadUINT8 rsrc padding bytes for encryption */
#define SITFH_DATAPAD 105 /* xadUINT8 data padding bytes for encryption */
#define SITFH_DATAUNK1 106 /* xadUINT8 unknown data value, always 0? */
#define SITFH_DATAUNK2 107 /* xadUINT8 unknown data value, always 4 for encrypted? */
#define SITFH_RSRCUNK1 108 /* xadUINT8 unknown rsrc value, always 0? */
#define SITFH_RSRCUNK2 109 /* xadUINT8 unknown rsrc value, always 4 for encrypted? */
#define SITFH_HDRCRC 110 /* xadUINT16 crc of file header */
#define SIT_FILEHDRSIZE 112
#define StuffItEncryptedFlag 0x80 // password protected bit
#define StuffItStartFolder 0x20 // start of folder
#define StuffItEndFolder 0x21 // end of folder
#define StuffItFolderContainsEncrypted 0x10 // folder contains encrypted items bit
#define StuffItMethodMask (~StuffItEncryptedFlag)
#define StuffItFolderMask (~(StuffItEncryptedFlag|StuffItFolderContainsEncrypted))
struct StuffItHeader
{
uint8_t m_signature[4];
BEUInt16_t m_numRootFiles;
BEUInt32_t m_totalSize;
uint8_t m_signature2[4];
uint8_t m_version;
uint8_t m_reserved;
BEUInt32_t m_headerSize; // In version 1, this is absent, header size is always 22
BEUInt16_t m_crc;
};
void ParseMacFileInfo(ArchiveItem &item, const uint8_t *header, IFileReader::FilePos_t filePos)
{
item.m_macProperties.m_creationDate = ParseUInt32BE(header + SITFH_CREATIONDATE);
item.m_macProperties.m_modifiedDate = ParseUInt32BE(header + SITFH_MODDATE);
memcpy(item.m_macProperties.m_fileCreator, header + SITFH_CREATOR, 4);
memcpy(item.m_macProperties.m_fileType, header + SITFH_FTYPE, 4);
item.m_macProperties.m_finderFlags = ParseUInt16BE(header + SITFH_FNDRFLAGS);
}
ArchiveItemList *StuffItParser::Parse(IFileReader &reader)
{
if (!reader.SeekStart(0))
return nullptr;
IFileReader::FilePos_t base = reader.GetPosition();
StuffItHeader archiveHeader;
if (!reader.ReadExact(&archiveHeader, sizeof(archiveHeader)))
return nullptr;
uint32_t headerSize = 0;
if (archiveHeader.m_version == 0)
return nullptr;
else if (archiveHeader.m_version == 1)
headerSize = sizeof(archiveHeader);
else
headerSize = archiveHeader.m_headerSize;
if (headerSize < sizeof(archiveHeader))
return nullptr;
reader.SeekCurrent(headerSize - sizeof(archiveHeader));
IFileReader::FilePos_t totalsize = archiveHeader.m_totalSize;
if (static_cast<IFileReader::FilePos_t>(totalsize) > static_cast<IFileReader::FilePos_t>(reader.FileSize()))
return nullptr;
ArchiveItemList rootList;
std::vector<ArchiveItemList*> folderStack;
folderStack.push_back(&rootList);
while (reader.GetPosition() + SIT_FILEHDRSIZE <= totalsize + base)
{
uint8_t header[SIT_FILEHDRSIZE];
if (!reader.ReadExact(header, SIT_FILEHDRSIZE))
return nullptr;
if (ParseUInt16BE(header + SITFH_HDRCRC) == XADCalculateCRC(0, header, 110, XADCRCTable_a001))
{
int resourcelength = ParseUInt32BE(header + SITFH_RSRCLENGTH);
int resourcecomplen = ParseUInt32BE(header + SITFH_COMPRLENGTH);
int datalength = ParseUInt32BE(header + SITFH_DATALENGTH);
int datacomplen = ParseUInt32BE(header + SITFH_COMPDLENGTH);
int datamethod = header[SITFH_COMPDMETHOD];
int resourcemethod = header[SITFH_COMPRMETHOD];
int datapadding = header[SITFH_DATAPAD];
int resourcepadding = header[SITFH_RSRCPAD];
int namelen = header[SITFH_FNAMESIZE];
if (namelen > 31) namelen = 31;
const uint8_t fileNameLength = header[SITFH_FNAMESIZE];
if (fileNameLength > SITFH_FNAME_CRC - SITFH_FNAME)
return false;
std::vector<uint8_t> utf8FileName;
StringCommon::ConvertMacRomanFileName(utf8FileName, header + SITFH_FNAME, fileNameLength);
IFileReader::FilePos_t start = reader.GetPosition();
ArchiveItemList *stackTop = folderStack.back();
stackTop->m_items.push_back(ArchiveItem());
ArchiveItem &addedItem = stackTop->m_items.back();
addedItem.m_fileNameUTF8 = std::move(utf8FileName);
if ((datamethod&StuffItFolderMask) == StuffItStartFolder ||
(resourcemethod&StuffItFolderMask) == StuffItStartFolder)
{
addedItem.m_isDirectory = true;
ParseMacFileInfo(addedItem, header, start);
if ((datamethod&StuffItFolderContainsEncrypted) != 0 ||
(resourcemethod&StuffItFolderContainsEncrypted) != 0)
{
return nullptr;
}
addedItem.m_children = new ArchiveItemList();
folderStack.push_back(addedItem.m_children);
}
else if ((datamethod&StuffItFolderMask) == StuffItEndFolder ||
(resourcemethod&StuffItFolderMask) == StuffItEndFolder)
{
if (folderStack.size() == 1)
return nullptr;
stackTop->m_items.pop_back();
folderStack.pop_back();
}
else
{
ParseMacFileInfo(addedItem, header, start);
if (resourcelength)
{
if (resourcemethod & StuffItEncryptedFlag)
return nullptr;
addedItem.m_resourceForkDesc.m_compressedSize = resourcecomplen;
addedItem.m_resourceForkDesc.m_uncompressedSize = resourcelength;
addedItem.m_resourceForkDesc.m_filePosition = start;
addedItem.m_resourceForkDesc.m_compressionMethod = StuffItCommon::ResolveCompressionMethod(resourcemethod & StuffItMethodMask);
}
if (datalength)
{
if (datamethod & StuffItEncryptedFlag)
return nullptr;
addedItem.m_dataForkDesc.m_compressedSize = resourcecomplen;
addedItem.m_dataForkDesc.m_uncompressedSize = datalength;
addedItem.m_dataForkDesc.m_filePosition = start + resourcecomplen;
addedItem.m_dataForkDesc.m_compressionMethod = StuffItCommon::ResolveCompressionMethod(datamethod & StuffItMethodMask);
}
if (!reader.SeekCurrent(resourcecomplen + datacomplen))
return nullptr;
}
}
else
return nullptr;
}
if (folderStack.size() != 1)
return nullptr;
return new ArchiveItemList(std::move(rootList));
}

10
unpacktool/StuffItParser.h Normal file
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#pragma once
#include "IArchiveParser.h"
class StuffItParser : public IArchiveParser
{
public:
bool Check(IFileReader &reader) override;
ArchiveItemList *Parse(IFileReader &reader) override;
};

45
unpacktool/UPByteSwap.h Normal file
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#pragma once
#include <stdint.h>
#include "ByteSwap.h"
inline uint32_t ParseUInt32BE(const uint8_t *bytes)
{
return (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3];
}
inline int32_t ParseInt32BE(const uint8_t *bytes)
{
return static_cast<int32_t>(ParseUInt32BE(bytes));
}
inline uint16_t ParseUInt16BE(const uint8_t *bytes)
{
return (bytes[0] << 8) | bytes[1];
}
inline int16_t ParseInt16BE(const uint8_t *bytes)
{
return static_cast<int16_t>(ParseInt16BE(bytes));
}
inline uint32_t ParseUInt32LE(const uint8_t *bytes)
{
return (bytes[3] << 24) | (bytes[2] << 16) | (bytes[1] << 8) | bytes[0];
}
inline int32_t ParseInt32LE(const uint8_t *bytes)
{
return static_cast<int32_t>(ParseUInt32LE(bytes));
}
inline uint16_t ParseUInt16LE(const uint8_t *bytes)
{
return (bytes[1] << 8) | bytes[0];
}
inline int16_t ParseInt16LE(const uint8_t *bytes)
{
return static_cast<int16_t>(ParseInt16LE(bytes));
}

566
unpacktool/unpacktool.cpp Normal file
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#include <stdio.h>
#include "IArchiveParser.h"
#include "IFileReader.h"
#include "StuffItParser.h"
#include "StuffIt5Parser.h"
#include "CompactProParser.h"
#include "UTF8.h"
#include "UTF16.h"
#include "ArchiveDescription.h"
#include "IDecompressor.h"
#include "NullDecompressor.h"
#include "RLE90Decompressor.h"
#include "LZWDecompressor.h"
#include "StuffIt13Decompressor.h"
#include "StuffItHuffmanDecompressor.h"
#include "StuffItArsenicDecompressor.h"
#include "CompactProRLEDecompressor.h"
#include "CompactProLZHRLEDecompressor.h"
#include "CSInputBuffer.h"
#include <string.h>
#include <Windows.h>
#include <shellapi.h>
#include <string>
#include <vector>
class CFileReader final : public IFileReader
{
public:
explicit CFileReader(FILE *f);
size_t Read(void *buffer, size_t sz);
size_t FileSize() const override;
bool SeekStart(FilePos_t pos) override;
bool SeekCurrent(FilePos_t pos) override;
bool SeekEnd(FilePos_t pos) override;
FilePos_t GetPosition() const override;
private:
FILE *m_file;
long m_size;
};
CFileReader::CFileReader(FILE *f)
: m_file(f)
{
fseek(f, 0, SEEK_END);
m_size = ftell(f);
fseek(f, 0, SEEK_SET);
}
size_t CFileReader::Read(void *buffer, size_t sz)
{
return fread(buffer, 1, sz, m_file);
}
size_t CFileReader::FileSize() const
{
return static_cast<size_t>(m_size);
}
bool CFileReader::SeekStart(FilePos_t pos)
{
return !_fseeki64(m_file, pos, SEEK_SET);
}
bool CFileReader::SeekCurrent(FilePos_t pos)
{
return !_fseeki64(m_file, pos, SEEK_CUR);
}
bool CFileReader::SeekEnd(FilePos_t pos)
{
return !_fseeki64(m_file, pos, SEEK_END);
}
IFileReader::FilePos_t CFileReader::GetPosition() const
{
return _ftelli64(m_file);
}
StuffItParser g_stuffItParser;
StuffIt5Parser g_stuffIt5Parser;
CompactProParser g_compactProParser;
std::string ConvertWStringToUTF8(const wchar_t *str)
{
size_t strLength = wcslen(str);
std::string result;
for (size_t i = 0; i < strLength; )
{
size_t charsDigested = 0;
uint32_t codePoint = 0;
uint8_t asUTF8[4];
if (!PortabilityLayer::UTF16Processor::DecodeCodePoint(reinterpret_cast<const uint16_t*>(str) + i, strLength - i, charsDigested, codePoint))
return "";
i += charsDigested;
size_t bytesEmitted = 0;
PortabilityLayer::UTF8Processor::EncodeCodePoint(asUTF8, bytesEmitted, codePoint);
result.append(reinterpret_cast<const char*>(asUTF8), bytesEmitted);
}
return result;
}
std::wstring ConvertUTF8ToWString(const char *str)
{
size_t strLength = strlen(str);
std::wstring result;
for (size_t i = 0; i < strLength; )
{
size_t charsDigested = 0;
uint32_t codePoint = 0;
uint16_t asUTF16[4];
if (!PortabilityLayer::UTF8Processor::DecodeCodePoint(reinterpret_cast<const uint8_t*>(str) + i, strLength - i, charsDigested, codePoint))
return L"";
i += charsDigested;
size_t codePointsEmitted = 0;
PortabilityLayer::UTF16Processor::EncodeCodePoint(asUTF16, codePointsEmitted, codePoint);
result.append(reinterpret_cast<const wchar_t*>(asUTF16), codePointsEmitted);
}
return result;
}
FILE *fopen_utf8(const char *path, const char *options)
{
std::wstring pathUTF16 = ConvertUTF8ToWString(path);
std::wstring optionsUTF16 = ConvertUTF8ToWString(options);
return _wfopen(pathUTF16.c_str(), optionsUTF16.c_str());
}
int mkdir_utf8(const char *path)
{
std::wstring pathUTF16 = ConvertUTF8ToWString(path);
return _wmkdir(pathUTF16.c_str());
}
void TerminateDirectoryPath(std::string &path)
{
const size_t length = path.length();
if (length == 0)
path.append("\\");
else
{
const char lastChar = path[path.length() - 1];
if (lastChar != '\\' && lastChar != '/')
path.append("\\");
}
}
std::string LegalizeWindowsFileName(const std::string &path)
{
const size_t length = path.length();
std::string legalizedPath;
for (size_t i = 0; i < length; i++)
{
const char c = path[i];
bool isLegalChar = true;
if (c >= '\0' && c <= 31)
isLegalChar = false;
else if (c == '<' || c == '>' || c == ':' || c == '\"' || c == '/' || c == '\\' || c == '|' || c == '?' || c == '*')
isLegalChar = false;
else if (c == ' ' || c == '.')
{
if (i == length - 1)
isLegalChar = false;
}
if (isLegalChar)
legalizedPath.append(&c, 1);
else
{
const char *hexChars = "0123456789abcdef";
char legalizedCharacter[3];
legalizedCharacter[0] = '$';
legalizedCharacter[1] = hexChars[(c >> 4) & 0xf];
legalizedCharacter[2] = hexChars[c & 0xf];
legalizedPath.append(legalizedCharacter, 3);
}
}
const char *bannedNames[] =
{
"CON",
"PRN",
"AUX",
"NUL",
"COM1",
"COM2",
"COM3",
"COM4",
"COM5",
"COM6",
"COM7",
"COM8",
"COM9",
"LPT1",
"LPT2",
"LPT3",
"LPT4",
"LPT5",
"LPT6",
"LPT7",
"LPT8",
"LPT9"
};
const size_t numBannedNames = sizeof(bannedNames) / sizeof(bannedNames[0]);
for (size_t i = 0; i < numBannedNames; i++)
{
const size_t banLength = strlen(bannedNames[i]);
const size_t legalizedPathLength = legalizedPath.length();
bool isThisBannedName = false;
if (legalizedPathLength >= banLength)
{
bool startsWithBannedName = true;
for (size_t ci = 0; ci < banLength; ci++)
{
int charDelta = bannedNames[i][ci] - legalizedPath[ci];
if (charDelta != 0 && charDelta != ('A' - 'a'))
{
startsWithBannedName = false;
break;
}
}
if (startsWithBannedName)
{
if (legalizedPathLength == banLength)
{
legalizedPath.append("$");
break;
}
else if (legalizedPath[banLength] == '.')
{
legalizedPath = legalizedPath.substr(0, banLength) + "$" + legalizedPath.substr(banLength);
break;
}
}
}
}
if (legalizedPath.length() == 0)
legalizedPath = "$";
return legalizedPath;
}
void MakeIntermediateDirectories(const std::string &path)
{
size_t l = path.length();
for (size_t i = 0; i < l; i++)
{
if (path[i] == '/' || path[i] == '\\')
mkdir_utf8(path.substr(0, i).c_str());
}
}
int RecursiveExtractFiles(int depth, ArchiveItemList *itemList, const std::string &path, IFileReader &reader);
int ExtractSingleFork(const ArchiveCompressedChunkDesc &chunkDesc, const std::string &path, IFileReader &reader)
{
if (chunkDesc.m_uncompressedSize == 0)
return 0;
if (!reader.SeekStart(chunkDesc.m_filePosition))
{
fprintf(stderr, "Could not seek to input position\n");
return -1;
}
FILE *metadataF = fopen_utf8(path.c_str(), "wb");
if (!metadataF)
{
fprintf(stderr, "Could not open output file %s\n", path.c_str());
return -1;
}
IDecompressor *decompressor = nullptr;
switch (chunkDesc.m_compressionMethod)
{
case CompressionMethods::kNone:
decompressor = new NullDecompressor();
break;
case CompressionMethods::kStuffItRLE90:
decompressor = new RLE90Decompressor();
break;
case CompressionMethods::kStuffItLZW:
decompressor = new LZWDecompressor(0x8e);
break;
case CompressionMethods::kStuffItHuffman:
decompressor = new StuffItHuffmanDecompressor();
break;
case CompressionMethods::kStuffIt13:
decompressor = new StuffIt13Decompressor();
break;
case CompressionMethods::kStuffItArsenic:
decompressor = new StuffItArsenicDecompressor();
break;
case CompressionMethods::kCompactProRLE:
decompressor = new CompactProRLEDecompressor();
break;
case CompressionMethods::kCompactProLZHRLE:
decompressor = new CompactProLZHRLEDecompressor(0x1fff0);
break;
default:
break;
}
if (!decompressor)
{
fprintf(stderr, "Could not decompress file %s, compression method %i is not implemented\n", path.c_str(), static_cast<int>(chunkDesc.m_compressionMethod));
fclose(metadataF);
return -1;
}
CSInputBuffer *input = CSInputBufferAlloc(&reader, 2048);
if (!input)
{
fprintf(stderr, "Could not decompress file %s, buffer init failed\n", path.c_str());
delete decompressor;
fclose(metadataF);
return -1;
}
if (!decompressor->Reset(input, chunkDesc.m_compressedSize, chunkDesc.m_uncompressedSize))
{
fprintf(stderr, "Could not decompress file %s, decompression init failed\n", path.c_str());
CSInputBufferFree(input);
delete decompressor;
fclose(metadataF);
return -1;
}
const size_t kDecompressionBufferSize = 4096;
uint8_t decompressionBuffer[kDecompressionBufferSize];
size_t decompressedBytesRemaining = chunkDesc.m_uncompressedSize;
while (decompressedBytesRemaining > 0)
{
size_t decompressAmount = decompressedBytesRemaining;
if (decompressAmount > kDecompressionBufferSize)
decompressAmount = kDecompressionBufferSize;
if (!decompressor->ReadBytes(decompressionBuffer, decompressAmount))
{
fprintf(stderr, "Could not decompress file %s, byte read failed\n", path.c_str());
CSInputBufferFree(input);
delete decompressor;
fclose(metadataF);
return -1;
}
if (fwrite(decompressionBuffer, 1, decompressAmount, metadataF) != decompressAmount)
{
fprintf(stderr, "Could not decompress file %s, write failed\n", path.c_str());
CSInputBufferFree(input);
delete decompressor;
fclose(metadataF);
return -1;
}
decompressedBytesRemaining -= decompressAmount;
}
delete decompressor;
CSInputBufferFree(input);
fclose(metadataF);
return 0;
}
int ExtractFile(const ArchiveItem &item, const std::string &path, IFileReader &reader)
{
PortabilityLayer::MacFilePropertiesSerialized mfps;
mfps.Serialize(item.m_macProperties);
std::string metadataPath = (path + ".gpf");
std::string dataPath = (path + ".gpd");
std::string resPath = (path + ".gpr");
FILE *metadataF = fopen_utf8(metadataPath.c_str(), "wb");
if (!metadataF)
{
fprintf(stderr, "Could not open metadata output file %s", metadataPath.c_str());
return -1;
}
if (fwrite(mfps.m_data, 1, PortabilityLayer::MacFilePropertiesSerialized::kSize, metadataF) != PortabilityLayer::MacFilePropertiesSerialized::kSize)
{
fprintf(stderr, "A problem occurred writing metadata");
fclose(metadataF);
return -1;
}
fclose(metadataF);
int returnCode = ExtractSingleFork(item.m_dataForkDesc, dataPath, reader);
if (returnCode)
return returnCode;
returnCode = ExtractSingleFork(item.m_resourceForkDesc, resPath, reader);
if (returnCode)
return returnCode;
return 0;
}
int ExtractItem(int depth, const ArchiveItem &item, const std::string &dirPath, IFileReader &reader)
{
std::string path(reinterpret_cast<const char*>(item.m_fileNameUTF8.data()), item.m_fileNameUTF8.size());
for (int i = 0; i < depth; i++)
printf(" ");
fputws(ConvertUTF8ToWString(path.data()).c_str(), stdout);
printf("\n");
path = LegalizeWindowsFileName(path);
path = dirPath + path;
if (item.m_isDirectory)
{
mkdir_utf8(path.c_str());
path.append("\\");
int returnCode = RecursiveExtractFiles(depth + 1, item.m_children, path, reader);
if (returnCode)
return returnCode;
return 0;
}
else
return ExtractFile(item, path, reader);
}
int RecursiveExtractFiles(int depth, ArchiveItemList *itemList, const std::string &path, IFileReader &reader)
{
const std::vector<ArchiveItem> &items = itemList->m_items;
const size_t numChildren = items.size();
for (size_t i = 0; i < numChildren; i++)
{
int returnCode = ExtractItem(depth, items[i], path, reader);
if (returnCode)
return returnCode;
}
return 0;
}
int unpackMain(int argc, const char **argv)
{
if (argc != 3)
{
fprintf(stderr, "Usage: unpacktool <archive file> <destination>");
return -1;
}
FILE *inputArchive = fopen_utf8(argv[1], "rb");
if (!inputArchive)
{
fprintf(stderr, "Could not open input archive");
return -1;
}
CFileReader reader(inputArchive);
IArchiveParser *parsers[] =
{
&g_compactProParser,
&g_stuffItParser,
&g_stuffIt5Parser
};
ArchiveItemList *archiveItemList = nullptr;
printf("Reading archive...\n");
for (IArchiveParser *parser : parsers)
{
if (parser->Check(reader))
{
archiveItemList = parser->Parse(reader);
break;
}
}
if (!archiveItemList)
{
fprintf(stderr, "Failed to open archive");
return -1;
}
printf("Decompressing files...\n");
std::string currentPath = argv[2];
TerminateDirectoryPath(currentPath);
MakeIntermediateDirectories(currentPath);
int returnCode = RecursiveExtractFiles(0, archiveItemList, currentPath, reader);
delete archiveItemList;
return returnCode;
}
int main(int argc, const char **argv)
{
LPWSTR *szArglist;
int nArgs;
int i;
szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
std::vector<std::string> utf8ArgStrings;
std::vector<const char *> utf8Args;
utf8ArgStrings.resize(nArgs);
utf8Args.resize(nArgs);
for (int i = 0; i < nArgs; i++)
{
utf8ArgStrings[i] = ConvertWStringToUTF8(szArglist[i]);
utf8Args[i] = utf8ArgStrings[i].c_str();
}
const char **args = nullptr;
if (nArgs)
args = &utf8Args[0];
return unpackMain(nArgs, args);
}

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unpacktool/unpacktool.vcxproj Normal file
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