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Move archive constants

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Matt Nadareski
2020-12-09 14:45:11 -08:00
parent 218dad20d2
commit 549c93bb43
5 changed files with 77 additions and 69 deletions
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66
SabreTools.Core/Constants.cs
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@@ -96,71 +96,5 @@ namespace SabreTools.Core
public const int SHA512Length = 128;
#endregion
#region TorrentZip, T7z, and TGZ headers
/* TorrentZip Header Format
https://pkware.cachefly.net/webdocs/APPNOTE/APPNOTE_6.2.0.txt
http://www.romvault.com/trrntzip_explained.doc
00-03 Local file header signature (0x50, 0x4B, 0x03, 0x04) ZipSignature
04-05 Version needed to extract (0x14, 0x00)
06-07 General purpose bit flag (0x02, 0x00)
08-09 Compression method (0x08, 0x00)
0A-0B Last mod file time (0x00, 0xBC)
0C-0D Last mod file date (0x98, 0x21)
*/
public readonly static byte[] TorrentZipHeader = new byte[] { 0x50, 0x4b, 0x03, 0x04, 0x14, 0x00, 0x02, 0x00, 0x08, 0x00, 0x00, 0xbc, 0x98, 0x21 };
/* Torrent7z Header Format
http://cpansearch.perl.org/src/BJOERN/Compress-Deflate7-1.0/7zip/DOC/7zFormat.txt
00-05 Local file header signature (0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C) SevenZipSignature
06-07 ArchiveVersion (0x00, 0x03)
The rest is unknown
*/
public readonly static byte[] Torrent7ZipHeader = new byte[] { 0x37, 0x7a, 0xbc, 0xaf, 0x27, 0x1c, 0x00, 0x03 };
public readonly static byte[] Torrent7ZipSignature = new byte[] { 0xa9, 0xa9, 0x9f, 0xd1, 0x57, 0x08, 0xa9, 0xd7, 0xea, 0x29, 0x64, 0xb2,
0x36, 0x1b, 0x83, 0x52, 0x33, 0x00, 0x74, 0x6f, 0x72, 0x72, 0x65, 0x6e, 0x74, 0x37, 0x7a, 0x5f, 0x30, 0x2e, 0x39, 0x62, 0x65, 0x74, 0x61 };
/* (Torrent)GZ Header Format
https://tools.ietf.org/html/rfc1952
00-01 Identification (0x1F, 0x8B) GzSignature
02 Compression Method (0-7 reserved, 8 deflate; 0x08)
03 Flags (0 FTEXT, 1 FHCRC, 2 FEXTRA, 3 FNAME, 4 FCOMMENT, 5 reserved, 6 reserved, 7 reserved; 0x04)
04-07 Modification time (Unix format; 0x00, 0x00, 0x00, 0x00)
08 Extra Flags (2 maximum compression, 4 fastest algorithm; 0x00)
09 OS (See list on https://tools.ietf.org/html/rfc1952; 0x00)
0A-0B Length of extra field (mirrored; 0x1C, 0x00)
0C-27 Extra field
0C-1B MD5 Hash
1C-1F CRC hash
20-27 Int64 size (mirrored)
*/
public readonly static byte[] TorrentGZHeader = new byte[] { 0x1f, 0x8b, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00 };
/* (Torrent)XZ Header Format
https://tukaani.org/xz/xz-file-format.txt
00-05 Identification (0xFD, '7', 'z', 'X', 'Z', 0x00) XzSignature
06 Flags (0x01 - CRC32, 0x04 - CRC64, 0x0A - SHA-256)
07-0A Flags CRC32 (uint, little-endian)
*/
public readonly static byte[] TorrentXZHeader = new byte[] { 0xfd, 0x37, 0x7a, 0x58, 0x5a, 0x00, 0x01, 0x69, 0x22, 0xde, 0x36 };
#endregion
#region ZIP internal signatures
public const uint LocalFileHeaderSignature = 0x04034b50;
public const uint EndOfLocalFileHeaderSignature = 0x08074b50;
public const uint CentralDirectoryHeaderSignature = 0x02014b50;
public const uint EndOfCentralDirSignature = 0x06054b50;
public const uint Zip64EndOfCentralDirSignature = 0x06064b50;
public const uint Zip64EndOfCentralDirectoryLocator = 0x07064b50;
public const uint TorrentZipFileDateTime = 0x2198BC00;
#endregion
}
}