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// Archive/Zip/Header.h
#ifndef __ARCHIVE_ZIP_HEADER_H
#define __ARCHIVE_ZIP_HEADER_H
#include "Common/Types.h"
namespace NArchive {
namespace NZip {
namespace NSignature
{
extern UInt32 kLocalFileHeader;
extern UInt32 kDataDescriptor;
extern UInt32 kCentralFileHeader;
extern UInt32 kEndOfCentralDir;
extern UInt32 kZip64EndOfCentralDir;
extern UInt32 kZip64EndOfCentralDirLocator;
static const UInt32 kMarkerSize = 4;
}
const UInt32 kEcdSize = 22;
const UInt32 kZip64EcdSize = 44;
const UInt32 kZip64EcdLocatorSize = 20;
/*
struct CEndOfCentralDirectoryRecord
{
UInt16 ThisDiskNumber;
UInt16 StartCentralDirectoryDiskNumber;
UInt16 NumEntriesInCentaralDirectoryOnThisDisk;
UInt16 NumEntriesInCentaralDirectory;
UInt32 CentralDirectorySize;
UInt32 CentralDirectoryStartOffset;
UInt16 CommentSize;
};
struct CEndOfCentralDirectoryRecordFull
{
UInt32 Signature;
CEndOfCentralDirectoryRecord Header;
};
*/
namespace NFileHeader
{
/*
struct CVersion
{
Byte Version;
Byte HostOS;
};
*/
namespace NCompressionMethod
{
enum EType
{
kStored = 0,
kShrunk = 1,
kReduced1 = 2,
kReduced2 = 3,
kReduced3 = 4,
kReduced4 = 5,
kImploded = 6,
kReservedTokenizing = 7, // reserved for tokenizing
kDeflated = 8,
kDeflated64 = 9,
kPKImploding = 10,
kBZip2 = 12,
kLZMA = 14,
kTerse = 18,
kLz77 = 19,
kJpeg = 0x60,
kWavPack = 0x61,
kPPMd = 0x62,
kWzAES = 0x63
};
const int kNumCompressionMethods = 11;
const Byte kMadeByProgramVersion = 63;
const Byte kExtractVersion_Default = 10;
const Byte kExtractVersion_Dir = 20;
const Byte kExtractVersion_ZipCrypto = 20;
const Byte kExtractVersion_Deflate = 20;
const Byte kExtractVersion_Deflate64 = 21;
const Byte kExtractVersion_Zip64 = 45;
const Byte kExtractVersion_BZip2 = 46;
const Byte kExtractVersion_Aes = 51;
const Byte kExtractVersion_LZMA = 63;
const Byte kExtractVersion_PPMd = 63;
// const Byte kSupportedVersion = 20;
}
namespace NExtraID
{
enum
{
kZip64 = 0x01,
kNTFS = 0x0A,
kStrongEncrypt = 0x17,
kUnixTime = 0x5455,
kWzAES = 0x9901
};
}
namespace NNtfsExtra
{
const UInt16 kTagTime = 1;
enum
{
kMTime = 0,
kATime,
kCTime
};
}
namespace NUnixTime
{
enum
{
kMTime = 0,
kATime,
kCTime
};
}
const UInt32 kLocalBlockSize = 26;
/*
struct CLocalBlock
{
CVersion ExtractVersion;
UInt16 Flags;
UInt16 CompressionMethod;
UInt32 Time;
UInt32 FileCRC;
UInt32 PackSize;
UInt32 UnPackSize;
UInt16 NameSize;
UInt16 ExtraSize;
};
*/
const UInt32 kDataDescriptorSize = 16;
// const UInt32 kDataDescriptor64Size = 16 + 8;
/*
struct CDataDescriptor
{
UInt32 Signature;
UInt32 FileCRC;
UInt32 PackSize;
UInt32 UnPackSize;
};
struct CLocalBlockFull
{
UInt32 Signature;
CLocalBlock Header;
};
*/
const UInt32 kCentralBlockSize = 42;
/*
struct CBlock
{
CVersion MadeByVersion;
CVersion ExtractVersion;
UInt16 Flags;
UInt16 CompressionMethod;
UInt32 Time;
UInt32 FileCRC;
UInt32 PackSize;
UInt32 UnPackSize;
UInt16 NameSize;
UInt16 ExtraSize;
UInt16 CommentSize;
UInt16 DiskNumberStart;
UInt16 InternalAttributes;
UInt32 ExternalAttributes;
UInt32 LocalHeaderOffset;
};
struct CBlockFull
{
UInt32 Signature;
CBlock Header;
};
*/
namespace NFlags
{
const int kEncrypted = 1 << 0;
const int kLzmaEOS = 1 << 1;
const int kDescriptorUsedMask = 1 << 3;
const int kStrongEncrypted = 1 << 6;
const int kUtf8 = 1 << 11;
const int kImplodeDictionarySizeMask = 1 << 1;
const int kImplodeLiteralsOnMask = 1 << 2;
const int kDeflateTypeBitStart = 1;
const int kNumDeflateTypeBits = 2;
const int kNumDeflateTypes = (1 << kNumDeflateTypeBits);
const int kDeflateTypeMask = (1 << kNumDeflateTypeBits) - 1;
}
namespace NHostOS
{
enum EEnum
{
kFAT = 0,
kAMIGA = 1,
kVMS = 2, // VAX/VMS
kUnix = 3,
kVM_CMS = 4,
kAtari = 5, // what if it's a minix filesystem? [cjh]
kHPFS = 6, // filesystem used by OS/2 (and NT 3.x)
kMac = 7,
kZ_System = 8,
kCPM = 9,
kTOPS20 = 10, // pkzip 2.50 NTFS
kNTFS = 11, // filesystem used by Windows NT
kQDOS = 12, // SMS/QDOS
kAcorn = 13, // Archimedes Acorn RISC OS
kVFAT = 14, // filesystem used by Windows 95, NT
kMVS = 15,
kBeOS = 16, // hybrid POSIX/database filesystem
kTandem = 17,
kOS400 = 18,
kOSX = 19
};
}
namespace NUnixAttribute
{
const UInt32 kIFMT = 0170000; /* Unix file type mask */
const UInt32 kIFDIR = 0040000; /* Unix directory */
const UInt32 kIFREG = 0100000; /* Unix regular file */
const UInt32 kIFSOCK = 0140000; /* Unix socket (BSD, not SysV or Amiga) */
const UInt32 kIFLNK = 0120000; /* Unix symbolic link (not SysV, Amiga) */
const UInt32 kIFBLK = 0060000; /* Unix block special (not Amiga) */
const UInt32 kIFCHR = 0020000; /* Unix character special (not Amiga) */
const UInt32 kIFIFO = 0010000; /* Unix fifo (BCC, not MSC or Amiga) */
const UInt32 kISUID = 04000; /* Unix set user id on execution */
const UInt32 kISGID = 02000; /* Unix set group id on execution */
const UInt32 kISVTX = 01000; /* Unix directory permissions control */
const UInt32 kENFMT = kISGID; /* Unix record locking enforcement flag */
const UInt32 kIRWXU = 00700; /* Unix read, write, execute: owner */
const UInt32 kIRUSR = 00400; /* Unix read permission: owner */
const UInt32 kIWUSR = 00200; /* Unix write permission: owner */
const UInt32 kIXUSR = 00100; /* Unix execute permission: owner */
const UInt32 kIRWXG = 00070; /* Unix read, write, execute: group */
const UInt32 kIRGRP = 00040; /* Unix read permission: group */
const UInt32 kIWGRP = 00020; /* Unix write permission: group */
const UInt32 kIXGRP = 00010; /* Unix execute permission: group */
const UInt32 kIRWXO = 00007; /* Unix read, write, execute: other */
const UInt32 kIROTH = 00004; /* Unix read permission: other */
const UInt32 kIWOTH = 00002; /* Unix write permission: other */
const UInt32 kIXOTH = 00001; /* Unix execute permission: other */
}
namespace NAmigaAttribute
{
const UInt32 kIFMT = 06000; /* Amiga file type mask */
const UInt32 kIFDIR = 04000; /* Amiga directory */
const UInt32 kIFREG = 02000; /* Amiga regular file */
const UInt32 kIHIDDEN = 00200; /* to be supported in AmigaDOS 3.x */
const UInt32 kISCRIPT = 00100; /* executable script (text command file) */
const UInt32 kIPURE = 00040; /* allow loading into resident memory */
const UInt32 kIARCHIVE = 00020; /* not modified since bit was last set */
const UInt32 kIREAD = 00010; /* can be opened for reading */
const UInt32 kIWRITE = 00004; /* can be opened for writing */
const UInt32 kIEXECUTE = 00002; /* executable image, a loadable runfile */
const UInt32 kIDELETE = 00001; /* can be deleted */
}
}
}}
#endif
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