mirror of
https://github.com/aaru-dps/Aaru.Server.git
synced 2025-12-16 19:24:27 +00:00
Add writing support to Apple Universal Disk Image Format.
This commit is contained in:
@@ -788,6 +788,8 @@ namespace DiscImageChef.DiscImages
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for(long i = 0; i < l1Table.LongLength; i++)
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writingStream.Write(BigEndianBitConverter.GetBytes(l1Table[i]), 0, 8);
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IsWriting = false;
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ErrorMessage = "";
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return true;
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}
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@@ -35,8 +35,10 @@ using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using Claunia.PropertyList;
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using Claunia.RsrcFork;
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using DiscImageChef.Checksums;
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using DiscImageChef.CommonTypes;
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using DiscImageChef.Console;
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using DiscImageChef.Filters;
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@@ -49,68 +51,84 @@ using Version = Resources.Version;
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namespace DiscImageChef.DiscImages
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{
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public class Udif : IMediaImage
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public class Udif : IWritableImage
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{
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const uint UDIF_SIGNATURE = 0x6B6F6C79;
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const uint UDIF_SIGNATURE = 0x6B6F6C79;
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const uint CHUNK_SIGNATURE = 0x6D697368;
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// All chunk types with this mask are compressed
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const uint CHUNK_TYPE_COMPRESSED_MASK = 0x80000000;
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const uint CHUNK_TYPE_ZERO = 0x00000000;
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const uint CHUNK_TYPE_COPY = 0x00000001;
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const uint CHUNK_TYPE_NOCOPY = 0x00000002;
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const uint CHUNK_TYPE_ZERO = 0x00000000;
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const uint CHUNK_TYPE_COPY = 0x00000001;
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const uint CHUNK_TYPE_NOCOPY = 0x00000002;
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const uint CHUNK_TYPE_KENCODE = 0x80000001;
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const uint CHUNK_TYPE_RLE = 0x80000002;
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const uint CHUNK_TYPE_LZH = 0x80000003;
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const uint CHUNK_TYPE_ADC = 0x80000004;
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const uint CHUNK_TYPE_ZLIB = 0x80000005;
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const uint CHUNK_TYPE_BZIP = 0x80000006;
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const uint CHUNK_TYPE_LZFSE = 0x80000007;
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const uint CHUNK_TYPE_COMMNT = 0x7FFFFFFE;
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const uint CHUNK_TYPE_END = 0xFFFFFFFF;
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const uint CHUNK_TYPE_RLE = 0x80000002;
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const uint CHUNK_TYPE_LZH = 0x80000003;
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const uint CHUNK_TYPE_ADC = 0x80000004;
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const uint CHUNK_TYPE_ZLIB = 0x80000005;
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const uint CHUNK_TYPE_BZIP = 0x80000006;
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const uint CHUNK_TYPE_LZFSE = 0x80000007;
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const uint CHUNK_TYPE_COMMNT = 0x7FFFFFFE;
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const uint CHUNK_TYPE_END = 0xFFFFFFFF;
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const string RESOURCE_FORK_KEY = "resource-fork";
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const string BLOCK_KEY = "blkx";
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const uint BLOCK_OS_TYPE = 0x626C6B78;
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const uint MAX_CACHE_SIZE = 16777216;
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const uint SECTOR_SIZE = 512;
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const uint MAX_CACHED_SECTORS = MAX_CACHE_SIZE / SECTOR_SIZE;
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uint buffersize;
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Dictionary<ulong, byte[]> chunkCache;
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const uint UDIF_CHECKSUM_TYPE_NONE = 0;
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const uint UDIF_CHECKSUM_TYPE_CRC28 = 1;
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const uint UDIF_CHECKSUM_TYPE_CRC32 = 2;
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const uint UDIF_CHECKSUM_TYPE_DC42 = 3;
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const uint UDIF_CHECKSUM_TYPE_MD5 = 4;
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const uint UDIF_CHECKSUM_TYPE_SHA = 5;
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const uint UDIF_CHECKSUM_TYPE_SHA1 = 6;
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const uint UDIF_CHECKSUM_TYPE_SHA256 = 7;
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const uint UDIF_CHECKSUM_TYPE_SHA384 = 8;
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const uint UDIF_CHECKSUM_TYPE_SHA512 = 9;
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const string RESOURCE_FORK_KEY = "resource-fork";
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const string BLOCK_KEY = "blkx";
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const uint BLOCK_OS_TYPE = 0x626C6B78;
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const uint MAX_CACHE_SIZE = 16777216;
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const uint SECTOR_SIZE = 512;
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const uint MAX_CACHED_SECTORS = MAX_CACHE_SIZE / SECTOR_SIZE;
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uint buffersize;
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Dictionary<ulong, byte[]> chunkCache;
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Dictionary<ulong, BlockChunk> chunks;
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uint currentChunkCacheSize;
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BlockChunk currentChunk;
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uint currentChunkCacheSize;
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ulong currentSector;
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Crc32Context dataForkChecksum;
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UdifFooter footer;
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ImageInfo imageInfo;
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ImageInfo imageInfo;
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Stream imageStream;
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Stream imageStream;
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Crc32Context masterChecksum;
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Dictionary<ulong, byte[]> sectorCache;
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FileStream writingStream;
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public Udif()
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{
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imageInfo = new ImageInfo
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{
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ReadableSectorTags = new List<SectorTagType>(),
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ReadableMediaTags = new List<MediaTagType>(),
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HasPartitions = false,
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HasSessions = false,
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Version = null,
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Application = null,
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ApplicationVersion = null,
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Creator = null,
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Comments = null,
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MediaManufacturer = null,
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MediaModel = null,
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MediaSerialNumber = null,
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MediaBarcode = null,
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MediaPartNumber = null,
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MediaSequence = 0,
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LastMediaSequence = 0,
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DriveManufacturer = null,
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DriveModel = null,
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DriveSerialNumber = null,
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ReadableSectorTags = new List<SectorTagType>(),
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ReadableMediaTags = new List<MediaTagType>(),
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HasPartitions = false,
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HasSessions = false,
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Version = null,
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Application = null,
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ApplicationVersion = null,
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Creator = null,
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Comments = null,
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MediaManufacturer = null,
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MediaModel = null,
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MediaSerialNumber = null,
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MediaBarcode = null,
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MediaPartNumber = null,
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MediaSequence = 0,
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LastMediaSequence = 0,
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DriveManufacturer = null,
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DriveModel = null,
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DriveSerialNumber = null,
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DriveFirmwareRevision = null
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};
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}
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@@ -118,7 +136,7 @@ namespace DiscImageChef.DiscImages
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public ImageInfo Info => imageInfo;
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public string Name => "Apple Universal Disk Image Format";
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public Guid Id => new Guid("5BEB9002-CF3D-429C-8E06-9A96F49203FF");
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public Guid Id => new Guid("5BEB9002-CF3D-429C-8E06-9A96F49203FF");
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public string Format => "Apple Universal Disk Image Format";
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@@ -180,28 +198,28 @@ namespace DiscImageChef.DiscImages
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DicConsole.VerboseWriteLine("Found obsolete UDIF format.");
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}
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DicConsole.DebugWriteLine("UDIF plugin", "footer.signature = 0x{0:X8}", footer.signature);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.version = {0}", footer.version);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.headerSize = {0}", footer.headerSize);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.flags = {0}", footer.flags);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.signature = 0x{0:X8}", footer.signature);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.version = {0}", footer.version);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.headerSize = {0}", footer.headerSize);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.flags = {0}", footer.flags);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.runningDataForkOff = {0}", footer.runningDataForkOff);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkOff = {0}", footer.dataForkOff);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkLen = {0}", footer.dataForkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.rsrcForkOff = {0}", footer.rsrcForkOff);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.rsrcForkLen = {0}", footer.rsrcForkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.segmentNumber = {0}", footer.segmentNumber);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.segmentCount = {0}", footer.segmentCount);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.segmentId = {0}", footer.segmentId);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkChkType = {0}", footer.dataForkChkType);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkLen = {0}", footer.dataForkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkChk = 0x{0:X8}", footer.dataForkChk);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.plistOff = {0}", footer.plistOff);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.plistLen = {0}", footer.plistLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.masterChkType = {0}", footer.masterChkType);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.masterChkLen = {0}", footer.masterChkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.masterChk = 0x{0:X8}", footer.masterChk);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.imageVariant = {0}", footer.imageVariant);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.sectorCount = {0}", footer.sectorCount);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkOff = {0}", footer.dataForkOff);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkLen = {0}", footer.dataForkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.rsrcForkOff = {0}", footer.rsrcForkOff);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.rsrcForkLen = {0}", footer.rsrcForkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.segmentNumber = {0}", footer.segmentNumber);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.segmentCount = {0}", footer.segmentCount);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.segmentId = {0}", footer.segmentId);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkChkType = {0}", footer.dataForkChkType);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkLen = {0}", footer.dataForkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.dataForkChk = 0x{0:X8}", footer.dataForkChk);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.plistOff = {0}", footer.plistOff);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.plistLen = {0}", footer.plistLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.masterChkType = {0}", footer.masterChkType);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.masterChkLen = {0}", footer.masterChkLen);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.masterChk = 0x{0:X8}", footer.masterChk);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.imageVariant = {0}", footer.imageVariant);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.sectorCount = {0}", footer.sectorCount);
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DicConsole.DebugWriteLine("UDIF plugin", "footer.reserved1 is empty? = {0}",
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ArrayHelpers.ArrayIsNullOrEmpty(footer.reserved1));
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DicConsole.DebugWriteLine("UDIF plugin", "footer.reserved2 is empty? = {0}",
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@@ -213,7 +231,7 @@ namespace DiscImageChef.DiscImages
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// Block chunks and headers
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List<byte[]> blkxList = new List<byte[]>();
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chunks = new Dictionary<ulong, BlockChunk>();
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chunks = new Dictionary<ulong, BlockChunk>();
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bool fakeBlockChunks = false;
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@@ -280,7 +298,7 @@ namespace DiscImageChef.DiscImages
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if(rsrc.TryGetValue("vers", out NSObject versObj))
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{
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NSObject[] versArray = ((NSArray)versObj).GetArray();
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NSObject[] versArray = ((NSArray)versObj).GetArray();
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if(versArray.Length >= 1) vers = ((NSData)versArray[0]).Bytes;
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}
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}
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@@ -290,15 +308,15 @@ namespace DiscImageChef.DiscImages
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// So let's falsify a block chunk
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BlockChunk bChnk = new BlockChunk
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{
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length = footer.dataForkLen,
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offset = footer.dataForkOff,
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sector = 0,
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length = footer.dataForkLen,
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offset = footer.dataForkOff,
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sector = 0,
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sectors = footer.sectorCount,
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type = CHUNK_TYPE_COPY
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type = CHUNK_TYPE_COPY
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};
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imageInfo.Sectors = footer.sectorCount;
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chunks.Add(bChnk.sector, bChnk);
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buffersize = 2048 * SECTOR_SIZE;
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buffersize = 2048 * SECTOR_SIZE;
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fakeBlockChunks = true;
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}
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@@ -307,12 +325,12 @@ namespace DiscImageChef.DiscImages
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Version version = new Version(vers);
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string release = null;
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string dev = null;
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string pre = null;
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string dev = null;
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string pre = null;
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string major = $"{version.MajorVersion}";
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string minor = $".{version.MinorVersion / 10}";
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if(version.MinorVersion % 10 > 0) release = $".{version.MinorVersion % 10}";
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if(version.MinorVersion % 10 > 0) release = $".{version.MinorVersion % 10}";
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switch(version.DevStage)
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{
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case Version.DevelopmentStage.Alpha:
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@@ -331,11 +349,12 @@ namespace DiscImageChef.DiscImages
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if(dev != null) pre = $"{version.PreReleaseVersion}";
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imageInfo.ApplicationVersion = $"{major}{minor}{release}{dev}{pre}";
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imageInfo.Application = version.VersionString;
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imageInfo.Comments = version.VersionMessage;
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imageInfo.Application = version.VersionString;
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imageInfo.Comments = version.VersionMessage;
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if(version.MajorVersion == 3) imageInfo.Application = "ShrinkWrap™";
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else if(version.MajorVersion == 6) imageInfo.Application = "DiskCopy";
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if(version.MajorVersion == 3) imageInfo.Application = "ShrinkWrap™";
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else if(version.MajorVersion == 6)
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imageInfo.Application = "DiskCopy";
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}
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else imageInfo.Application = "DiskCopy";
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@@ -353,28 +372,28 @@ namespace DiscImageChef.DiscImages
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foreach(byte[] blkxBytes in blkxList)
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{
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BlockHeader bHdr = new BlockHeader();
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byte[] bHdrB = new byte[Marshal.SizeOf(bHdr)];
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BlockHeader bHdr = new BlockHeader();
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byte[] bHdrB = new byte[Marshal.SizeOf(bHdr)];
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Array.Copy(blkxBytes, 0, bHdrB, 0, Marshal.SizeOf(bHdr));
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bHdr = BigEndianMarshal.ByteArrayToStructureBigEndian<BlockHeader>(bHdrB);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.signature = 0x{0:X8}", bHdr.signature);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.version = {0}", bHdr.version);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.sectorStart = {0}", bHdr.sectorStart);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.sectorCount = {0}", bHdr.sectorCount);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.dataOffset = {0}", bHdr.dataOffset);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.buffers = {0}", bHdr.buffers);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.signature = 0x{0:X8}", bHdr.signature);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.version = {0}", bHdr.version);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.sectorStart = {0}", bHdr.sectorStart);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.sectorCount = {0}", bHdr.sectorCount);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.dataOffset = {0}", bHdr.dataOffset);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.buffers = {0}", bHdr.buffers);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.descriptor = 0x{0:X8}", bHdr.descriptor);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved1 = {0}", bHdr.reserved1);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved2 = {0}", bHdr.reserved2);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved3 = {0}", bHdr.reserved3);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved4 = {0}", bHdr.reserved4);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved5 = {0}", bHdr.reserved5);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved6 = {0}", bHdr.reserved6);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.checksumType = {0}", bHdr.checksumType);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.checksumLen = {0}", bHdr.checksumLen);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.checksum = 0x{0:X8}", bHdr.checksum);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunks = {0}", bHdr.chunks);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved1 = {0}", bHdr.reserved1);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved2 = {0}", bHdr.reserved2);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved3 = {0}", bHdr.reserved3);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved4 = {0}", bHdr.reserved4);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved5 = {0}", bHdr.reserved5);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reserved6 = {0}", bHdr.reserved6);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.checksumType = {0}", bHdr.checksumType);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.checksumLen = {0}", bHdr.checksumLen);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.checksum = 0x{0:X8}", bHdr.checksum);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunks = {0}", bHdr.chunks);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.reservedChk is empty? = {0}",
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ArrayHelpers.ArrayIsNullOrEmpty(bHdr.reservedChk));
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@@ -382,18 +401,18 @@ namespace DiscImageChef.DiscImages
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for(int i = 0; i < bHdr.chunks; i++)
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{
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BlockChunk bChnk = new BlockChunk();
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byte[] bChnkB = new byte[Marshal.SizeOf(bChnk)];
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BlockChunk bChnk = new BlockChunk();
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byte[] bChnkB = new byte[Marshal.SizeOf(bChnk)];
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Array.Copy(blkxBytes, Marshal.SizeOf(bHdr) + Marshal.SizeOf(bChnk) * i, bChnkB, 0,
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Marshal.SizeOf(bChnk));
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bChnk = BigEndianMarshal.ByteArrayToStructureBigEndian<BlockChunk>(bChnkB);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].type = 0x{1:X8}", i, bChnk.type);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].comment = {1}", i, bChnk.comment);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].sector = {1}", i, bChnk.sector);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].sectors = {1}", i, bChnk.sectors);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].offset = {1}", i, bChnk.offset);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].length = {1}", i, bChnk.length);
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DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].comment = {1}", i, bChnk.comment);
|
||||
DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].sector = {1}", i, bChnk.sector);
|
||||
DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].sectors = {1}", i, bChnk.sectors);
|
||||
DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].offset = {1}", i, bChnk.offset);
|
||||
DicConsole.DebugWriteLine("UDIF plugin", "bHdr.chunk[{0}].length = {1}", i, bChnk.length);
|
||||
|
||||
if(bChnk.type == CHUNK_TYPE_END) break;
|
||||
|
||||
@@ -423,7 +442,7 @@ namespace DiscImageChef.DiscImages
|
||||
}
|
||||
|
||||
if(bChnk.type > CHUNK_TYPE_NOCOPY && bChnk.type < CHUNK_TYPE_COMMNT ||
|
||||
bChnk.type > CHUNK_TYPE_LZFSE && bChnk.type < CHUNK_TYPE_END)
|
||||
bChnk.type > CHUNK_TYPE_LZFSE && bChnk.type < CHUNK_TYPE_END)
|
||||
throw new ImageNotSupportedException($"Unsupported chunk type 0x{bChnk.type:X8} found");
|
||||
|
||||
if(bChnk.sectors > 0) chunks.Add(bChnk.sector, bChnk);
|
||||
@@ -431,22 +450,22 @@ namespace DiscImageChef.DiscImages
|
||||
}
|
||||
}
|
||||
|
||||
sectorCache = new Dictionary<ulong, byte[]>();
|
||||
chunkCache = new Dictionary<ulong, byte[]>();
|
||||
sectorCache = new Dictionary<ulong, byte[]>();
|
||||
chunkCache = new Dictionary<ulong, byte[]>();
|
||||
currentChunkCacheSize = 0;
|
||||
imageStream = stream;
|
||||
imageStream = stream;
|
||||
|
||||
imageInfo.CreationTime = imageFilter.GetCreationTime();
|
||||
imageInfo.CreationTime = imageFilter.GetCreationTime();
|
||||
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
|
||||
imageInfo.MediaTitle = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
|
||||
imageInfo.SectorSize = SECTOR_SIZE;
|
||||
imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
|
||||
imageInfo.MediaType = MediaType.GENERIC_HDD;
|
||||
imageInfo.ImageSize = imageInfo.Sectors * SECTOR_SIZE;
|
||||
imageInfo.Version = $"{footer.version}";
|
||||
imageInfo.MediaTitle = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
|
||||
imageInfo.SectorSize = SECTOR_SIZE;
|
||||
imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
|
||||
imageInfo.MediaType = MediaType.GENERIC_HDD;
|
||||
imageInfo.ImageSize = imageInfo.Sectors * SECTOR_SIZE;
|
||||
imageInfo.Version = $"{footer.version}";
|
||||
|
||||
imageInfo.Cylinders = (uint)(imageInfo.Sectors / 16 / 63);
|
||||
imageInfo.Heads = 16;
|
||||
imageInfo.Cylinders = (uint)(imageInfo.Sectors / 16 / 63);
|
||||
imageInfo.Heads = 16;
|
||||
imageInfo.SectorsPerTrack = 63;
|
||||
|
||||
return true;
|
||||
@@ -460,14 +479,14 @@ namespace DiscImageChef.DiscImages
|
||||
|
||||
if(sectorCache.TryGetValue(sectorAddress, out byte[] sector)) return sector;
|
||||
|
||||
BlockChunk currentChunk = new BlockChunk();
|
||||
bool chunkFound = false;
|
||||
ulong chunkStartSector = 0;
|
||||
BlockChunk currentChunk = new BlockChunk();
|
||||
bool chunkFound = false;
|
||||
ulong chunkStartSector = 0;
|
||||
|
||||
foreach(KeyValuePair<ulong, BlockChunk> kvp in chunks.Where(kvp => sectorAddress >= kvp.Key))
|
||||
{
|
||||
currentChunk = kvp.Value;
|
||||
chunkFound = true;
|
||||
currentChunk = kvp.Value;
|
||||
chunkFound = true;
|
||||
chunkStartSector = kvp.Key;
|
||||
}
|
||||
|
||||
@@ -489,7 +508,7 @@ namespace DiscImageChef.DiscImages
|
||||
imageStream.Seek((long)currentChunk.offset, SeekOrigin.Begin);
|
||||
imageStream.Read(cmpBuffer, 0, cmpBuffer.Length);
|
||||
MemoryStream cmpMs = new MemoryStream(cmpBuffer);
|
||||
Stream decStream;
|
||||
Stream decStream;
|
||||
|
||||
switch(currentChunk.type)
|
||||
{
|
||||
@@ -507,13 +526,13 @@ namespace DiscImageChef.DiscImages
|
||||
ImageNotSupportedException($"Unsupported chunk type 0x{currentChunk.type:X8} found");
|
||||
}
|
||||
|
||||
#if DEBUG
|
||||
#if DEBUG
|
||||
try
|
||||
{
|
||||
#endif
|
||||
#endif
|
||||
byte[] tmpBuffer = new byte[buffersize];
|
||||
int realSize = decStream.Read(tmpBuffer, 0, (int)buffersize);
|
||||
buffer = new byte[realSize];
|
||||
int realSize = decStream.Read(tmpBuffer, 0, (int)buffersize);
|
||||
buffer = new byte[realSize];
|
||||
Array.Copy(tmpBuffer, 0, buffer, 0, realSize);
|
||||
|
||||
if(currentChunkCacheSize + realSize > MAX_CACHE_SIZE)
|
||||
@@ -524,14 +543,14 @@ namespace DiscImageChef.DiscImages
|
||||
|
||||
chunkCache.Add(chunkStartSector, buffer);
|
||||
currentChunkCacheSize += (uint)realSize;
|
||||
#if DEBUG
|
||||
#if DEBUG
|
||||
}
|
||||
catch(ZlibException)
|
||||
{
|
||||
DicConsole.WriteLine("zlib exception on chunk starting at sector {0}", currentChunk.sector);
|
||||
throw;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
sector = new byte[SECTOR_SIZE];
|
||||
@@ -664,7 +683,7 @@ namespace DiscImageChef.DiscImages
|
||||
}
|
||||
|
||||
public bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> failingLbas,
|
||||
out List<ulong> unknownLbas)
|
||||
out List<ulong> unknownLbas)
|
||||
{
|
||||
failingLbas = new List<ulong>();
|
||||
unknownLbas = new List<ulong>();
|
||||
@@ -674,7 +693,7 @@ namespace DiscImageChef.DiscImages
|
||||
}
|
||||
|
||||
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
|
||||
out List<ulong> unknownLbas)
|
||||
out List<ulong> unknownLbas)
|
||||
{
|
||||
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
||||
}
|
||||
@@ -684,65 +703,414 @@ namespace DiscImageChef.DiscImages
|
||||
return null;
|
||||
}
|
||||
|
||||
public IEnumerable<MediaTagType> SupportedMediaTags => new MediaTagType[] { };
|
||||
public IEnumerable<SectorTagType> SupportedSectorTags => new SectorTagType[] { };
|
||||
public IEnumerable<MediaType> SupportedMediaTypes =>
|
||||
new[] {MediaType.Unknown, MediaType.GENERIC_HDD};
|
||||
public IEnumerable<(string name, Type type, string description)> SupportedOptions =>
|
||||
new (string name, Type type, string description)[] { };
|
||||
public IEnumerable<string> KnownExtensions => new[] {".dmg"};
|
||||
public bool IsWriting { get; private set; }
|
||||
public string ErrorMessage { get; private set; }
|
||||
|
||||
public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
|
||||
uint sectorSize)
|
||||
{
|
||||
if(sectorSize != 512)
|
||||
{
|
||||
ErrorMessage = "Unsupported sector size";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(!SupportedMediaTypes.Contains(mediaType))
|
||||
{
|
||||
ErrorMessage = $"Unsupport media format {mediaType}";
|
||||
return false;
|
||||
}
|
||||
|
||||
imageInfo = new ImageInfo {MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors};
|
||||
|
||||
try { writingStream = new FileStream(path, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None); }
|
||||
catch(IOException e)
|
||||
{
|
||||
ErrorMessage = $"Could not create new image file, exception {e.Message}";
|
||||
return false;
|
||||
}
|
||||
|
||||
chunks = new Dictionary<ulong, BlockChunk>();
|
||||
currentChunk = new BlockChunk();
|
||||
currentSector = 0;
|
||||
dataForkChecksum = new Crc32Context();
|
||||
dataForkChecksum.Init();
|
||||
masterChecksum = new Crc32Context();
|
||||
masterChecksum.Init();
|
||||
|
||||
IsWriting = true;
|
||||
ErrorMessage = null;
|
||||
return true;
|
||||
}
|
||||
|
||||
public bool WriteMediaTag(byte[] data, MediaTagType tag)
|
||||
{
|
||||
ErrorMessage = "Writing media tags is not supported.";
|
||||
return false;
|
||||
}
|
||||
|
||||
public bool WriteSector(byte[] data, ulong sectorAddress)
|
||||
{
|
||||
if(!IsWriting)
|
||||
{
|
||||
ErrorMessage = "Tried to write on a non-writable image";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(data.Length != imageInfo.SectorSize)
|
||||
{
|
||||
ErrorMessage = "Incorrect data size";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(sectorAddress >= imageInfo.Sectors)
|
||||
{
|
||||
ErrorMessage = "Tried to write past image size";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(sectorAddress < currentSector)
|
||||
{
|
||||
ErrorMessage = "Tried to rewind, this format rewinded on writing";
|
||||
return false;
|
||||
}
|
||||
|
||||
masterChecksum.Update(data);
|
||||
|
||||
bool isEmpty = ArrayHelpers.ArrayIsNullOrEmpty(data);
|
||||
|
||||
switch(currentChunk.type)
|
||||
{
|
||||
case CHUNK_TYPE_ZERO:
|
||||
currentChunk.type = isEmpty ? CHUNK_TYPE_NOCOPY : CHUNK_TYPE_COPY;
|
||||
break;
|
||||
case CHUNK_TYPE_NOCOPY when !isEmpty:
|
||||
case CHUNK_TYPE_COPY when isEmpty:
|
||||
chunks.Add(currentChunk.sector, currentChunk);
|
||||
currentChunk = new BlockChunk
|
||||
{
|
||||
type = isEmpty ? CHUNK_TYPE_NOCOPY : CHUNK_TYPE_COPY,
|
||||
sector = currentSector,
|
||||
offset = (ulong)(isEmpty ? 0 : writingStream.Position)
|
||||
};
|
||||
break;
|
||||
}
|
||||
|
||||
currentChunk.sectors++;
|
||||
currentChunk.length += (ulong)(isEmpty ? 0 : 512);
|
||||
currentSector++;
|
||||
|
||||
if(!isEmpty)
|
||||
{
|
||||
dataForkChecksum.Update(data);
|
||||
writingStream.Write(data, 0, data.Length);
|
||||
}
|
||||
|
||||
ErrorMessage = "";
|
||||
return true;
|
||||
}
|
||||
|
||||
// TODO: This can be optimized
|
||||
public bool WriteSectors(byte[] data, ulong sectorAddress, uint length)
|
||||
{
|
||||
if(!IsWriting)
|
||||
{
|
||||
ErrorMessage = "Tried to write on a non-writable image";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(data.Length % imageInfo.SectorSize != 0)
|
||||
{
|
||||
ErrorMessage = "Incorrect data size";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(sectorAddress + length > imageInfo.Sectors)
|
||||
{
|
||||
ErrorMessage = "Tried to write past image size";
|
||||
return false;
|
||||
}
|
||||
|
||||
// Ignore empty sectors
|
||||
if(ArrayHelpers.ArrayIsNullOrEmpty(data))
|
||||
{
|
||||
if(currentChunk.type == CHUNK_TYPE_COPY)
|
||||
{
|
||||
chunks.Add(currentChunk.sector, currentChunk);
|
||||
currentChunk = new BlockChunk {type = CHUNK_TYPE_NOCOPY, sector = currentSector};
|
||||
}
|
||||
|
||||
currentChunk.sectors += (ulong)(data.Length / imageInfo.SectorSize);
|
||||
currentSector += (ulong)(data.Length / imageInfo.SectorSize);
|
||||
masterChecksum.Update(data);
|
||||
|
||||
ErrorMessage = "";
|
||||
return true;
|
||||
}
|
||||
|
||||
for(uint i = 0; i < length; i++)
|
||||
{
|
||||
byte[] tmp = new byte[imageInfo.SectorSize];
|
||||
Array.Copy(data, i * imageInfo.SectorSize, tmp, 0, imageInfo.SectorSize);
|
||||
if(!WriteSector(tmp, sectorAddress + i)) return false;
|
||||
}
|
||||
|
||||
ErrorMessage = "";
|
||||
return true;
|
||||
}
|
||||
|
||||
public bool WriteSectorLong(byte[] data, ulong sectorAddress)
|
||||
{
|
||||
ErrorMessage = "Writing sectors with tags is not supported.";
|
||||
return false;
|
||||
}
|
||||
|
||||
public bool WriteSectorsLong(byte[] data, ulong sectorAddress, uint length)
|
||||
{
|
||||
ErrorMessage = "Writing sectors with tags is not supported.";
|
||||
return false;
|
||||
}
|
||||
|
||||
public bool SetTracks(List<Track> tracks)
|
||||
{
|
||||
ErrorMessage = "Unsupported feature";
|
||||
return false;
|
||||
}
|
||||
|
||||
public bool Close()
|
||||
{
|
||||
if(!IsWriting)
|
||||
{
|
||||
ErrorMessage = "Image is not opened for writing";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(currentChunk.type != CHUNK_TYPE_NOCOPY) currentChunk.length = currentChunk.sectors * 512;
|
||||
chunks.Add(currentChunk.sector, currentChunk);
|
||||
|
||||
chunks.Add(imageInfo.Sectors, new BlockChunk {type = CHUNK_TYPE_END, sector = imageInfo.Sectors});
|
||||
|
||||
BlockHeader bHdr = new BlockHeader
|
||||
{
|
||||
signature = CHUNK_SIGNATURE,
|
||||
version = 1,
|
||||
sectorCount = imageInfo.Sectors,
|
||||
checksumType = UDIF_CHECKSUM_TYPE_CRC32,
|
||||
checksumLen = 32,
|
||||
checksum = BitConverter.ToUInt32(dataForkChecksum.Final().Reverse().ToArray(), 0),
|
||||
chunks = (uint)chunks.Count
|
||||
};
|
||||
|
||||
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
|
||||
MemoryStream chunkMs = new MemoryStream();
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.signature), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.version), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.sectorStart), 0, 8);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.sectorCount), 0, 8);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.dataOffset), 0, 8);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.buffers), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.descriptor), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.reserved1), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.reserved2), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.reserved3), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.reserved4), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.reserved5), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.reserved6), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.checksumType), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.checksumLen), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.checksum), 0, 4);
|
||||
chunkMs.Write(new byte[124], 0, 124);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(bHdr.chunks), 0, 4);
|
||||
|
||||
foreach(BlockChunk chunk in chunks.Values)
|
||||
{
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(chunk.type), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(chunk.comment), 0, 4);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(chunk.sector), 0, 8);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(chunk.sectors), 0, 8);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(chunk.offset), 0, 8);
|
||||
chunkMs.Write(BigEndianBitConverter.GetBytes(chunk.length), 0, 8);
|
||||
}
|
||||
|
||||
byte[] plist = Encoding.UTF8.GetBytes(new NSDictionary
|
||||
{
|
||||
{
|
||||
"resource-fork",
|
||||
new NSDictionary
|
||||
{
|
||||
{
|
||||
"blkx",
|
||||
new NSArray
|
||||
{
|
||||
new NSDictionary
|
||||
{
|
||||
{"Attributes", "0x0050"},
|
||||
{"CFName", "whole disk (DiscImageChef : 0)"},
|
||||
{"Data", chunkMs.ToArray()},
|
||||
{"ID", "0"},
|
||||
{"Name", "whole disk (DiscImageChef : 0)"}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}.ToXmlPropertyList());
|
||||
|
||||
footer = new UdifFooter
|
||||
{
|
||||
signature = UDIF_SIGNATURE,
|
||||
version = 4,
|
||||
headerSize = 512,
|
||||
flags = 1,
|
||||
dataForkLen = (ulong)writingStream.Length,
|
||||
segmentNumber = 1,
|
||||
segmentCount = 1,
|
||||
segmentId = Guid.NewGuid(),
|
||||
dataForkChkType = UDIF_CHECKSUM_TYPE_CRC32,
|
||||
dataForkChkLen = 32,
|
||||
dataForkChk = BitConverter.ToUInt32(dataForkChecksum.Final().Reverse().ToArray(), 0),
|
||||
plistOff = (ulong)writingStream.Length,
|
||||
plistLen = (ulong)plist.Length,
|
||||
// TODO: Find how is this calculated
|
||||
/*masterChkType = 2,
|
||||
masterChkLen = 32,
|
||||
masterChk = BitConverter.ToUInt32(masterChecksum.Final().Reverse().ToArray(), 0),*/
|
||||
imageVariant = 2,
|
||||
sectorCount = imageInfo.Sectors
|
||||
};
|
||||
|
||||
writingStream.Seek(0, SeekOrigin.End);
|
||||
writingStream.Write(plist, 0, plist.Length);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.signature), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.version), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.headerSize), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.flags), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.runningDataForkOff), 0, 8);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.dataForkOff), 0, 8);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.dataForkLen), 0, 8);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.rsrcForkOff), 0, 8);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.rsrcForkLen), 0, 8);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.segmentNumber), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.segmentCount), 0, 4);
|
||||
writingStream.Write(footer.segmentId.ToByteArray(), 0, 16);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.dataForkChkType), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.dataForkChkLen), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.dataForkChk), 0, 4);
|
||||
writingStream.Write(new byte[124], 0, 124);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.plistOff), 0, 8);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.plistLen), 0, 8);
|
||||
writingStream.Write(new byte[120], 0, 120);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.masterChkType), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.masterChkLen), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.masterChk), 0, 4);
|
||||
writingStream.Write(new byte[124], 0, 124);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.imageVariant), 0, 4);
|
||||
writingStream.Write(BigEndianBitConverter.GetBytes(footer.sectorCount), 0, 8);
|
||||
writingStream.Write(new byte[12], 0, 12);
|
||||
writingStream.Close();
|
||||
|
||||
Crc32Context.File(writingStream.Name);
|
||||
|
||||
IsWriting = false;
|
||||
ErrorMessage = "";
|
||||
return true;
|
||||
}
|
||||
|
||||
// TODO: Comments
|
||||
public bool SetMetadata(ImageInfo metadata)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
public bool SetGeometry(uint cylinders, uint heads, uint sectorsPerTrack)
|
||||
{
|
||||
// Not stored in image
|
||||
return true;
|
||||
}
|
||||
|
||||
public bool WriteSectorTag(byte[] data, ulong sectorAddress, SectorTagType tag)
|
||||
{
|
||||
ErrorMessage = "Writing sectors with tags is not supported.";
|
||||
return false;
|
||||
}
|
||||
|
||||
public bool WriteSectorsTag(byte[] data, ulong sectorAddress, uint length, SectorTagType tag)
|
||||
{
|
||||
ErrorMessage = "Writing sectors with tags is not supported.";
|
||||
return false;
|
||||
}
|
||||
|
||||
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
||||
struct UdifFooter
|
||||
{
|
||||
public uint signature;
|
||||
public uint version;
|
||||
public uint headerSize;
|
||||
public uint flags;
|
||||
public uint signature;
|
||||
public uint version;
|
||||
public uint headerSize;
|
||||
public uint flags;
|
||||
public ulong runningDataForkOff;
|
||||
public ulong dataForkOff;
|
||||
public ulong dataForkLen;
|
||||
public ulong rsrcForkOff;
|
||||
public ulong rsrcForkLen;
|
||||
public uint segmentNumber;
|
||||
public uint segmentCount;
|
||||
public Guid segmentId;
|
||||
public uint dataForkChkType;
|
||||
public uint dataForkChkLen;
|
||||
public uint dataForkChk;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 124)] public byte[] reserved1;
|
||||
public ulong plistOff;
|
||||
public ulong plistLen;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 120)] public byte[] reserved2;
|
||||
public uint masterChkType;
|
||||
public uint masterChkLen;
|
||||
public uint masterChk;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 124)] public byte[] reserved3;
|
||||
public uint imageVariant;
|
||||
public ulong sectorCount;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)] public byte[] reserved4;
|
||||
public uint segmentNumber;
|
||||
public uint segmentCount;
|
||||
public Guid segmentId;
|
||||
public uint dataForkChkType;
|
||||
public uint dataForkChkLen;
|
||||
public uint dataForkChk;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 124)]
|
||||
public byte[] reserved1;
|
||||
public ulong plistOff;
|
||||
public ulong plistLen;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 120)]
|
||||
public byte[] reserved2;
|
||||
public uint masterChkType;
|
||||
public uint masterChkLen;
|
||||
public uint masterChk;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 124)]
|
||||
public byte[] reserved3;
|
||||
public uint imageVariant;
|
||||
public ulong sectorCount;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
|
||||
public byte[] reserved4;
|
||||
}
|
||||
|
||||
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
||||
struct BlockHeader
|
||||
{
|
||||
public uint signature;
|
||||
public uint version;
|
||||
public uint signature;
|
||||
public uint version;
|
||||
public ulong sectorStart;
|
||||
public ulong sectorCount;
|
||||
public ulong dataOffset;
|
||||
public uint buffers;
|
||||
public uint descriptor;
|
||||
public uint reserved1;
|
||||
public uint reserved2;
|
||||
public uint reserved3;
|
||||
public uint reserved4;
|
||||
public uint reserved5;
|
||||
public uint reserved6;
|
||||
public uint checksumType;
|
||||
public uint checksumLen;
|
||||
public uint checksum;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 124)] public byte[] reservedChk;
|
||||
public uint chunks;
|
||||
public uint buffers;
|
||||
public uint descriptor;
|
||||
public uint reserved1;
|
||||
public uint reserved2;
|
||||
public uint reserved3;
|
||||
public uint reserved4;
|
||||
public uint reserved5;
|
||||
public uint reserved6;
|
||||
public uint checksumType;
|
||||
public uint checksumLen;
|
||||
public uint checksum;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 124)]
|
||||
public byte[] reservedChk;
|
||||
public uint chunks;
|
||||
}
|
||||
|
||||
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
||||
struct BlockChunk
|
||||
{
|
||||
public uint type;
|
||||
public uint comment;
|
||||
public uint type;
|
||||
public uint comment;
|
||||
public ulong sector;
|
||||
public ulong sectors;
|
||||
public ulong offset;
|
||||
|
||||
Reference in New Issue
Block a user