mirror of
https://github.com/aaru-dps/Aaru.Server.git
synced 2025-12-16 19:24:27 +00:00
501 lines
17 KiB
C#
501 lines
17 KiB
C#
// /***************************************************************************
|
|
// The Disc Image Chef
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : DIM.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : Component
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// Description
|
|
//
|
|
// --[ License ] --------------------------------------------------------------
|
|
//
|
|
// 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, see <http://www.gnu.org/licenses/>.
|
|
//
|
|
// ----------------------------------------------------------------------------
|
|
// Copyright © 2011-2017 Natalia Portillo
|
|
// ****************************************************************************/
|
|
|
|
using System;
|
|
using System.IO;
|
|
using System.Collections.Generic;
|
|
using DiscImageChef.Console;
|
|
using DiscImageChef.CommonTypes;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using DiscImageChef.Filters;
|
|
|
|
namespace DiscImageChef.ImagePlugins
|
|
{
|
|
// Checked using several images and strings inside Apple's DiskImages.framework
|
|
class DIM : ImagePlugin
|
|
{
|
|
#region Internal enumerations
|
|
enum DiskType : byte
|
|
{
|
|
HD2 = 0,
|
|
HS2 = 1,
|
|
HC2 = 2,
|
|
HDE2 = 3,
|
|
HQ2 = 9,
|
|
N88 = 17
|
|
}
|
|
#endregion
|
|
|
|
#region Internal constants
|
|
readonly byte[] HeaderID = { 0x44, 0x49, 0x46, 0x43, 0x20, 0x48, 0x45, 0x41, 0x44, 0x45, 0x52, 0x20, 0x20 };
|
|
#endregion
|
|
|
|
|
|
#region Internal variables
|
|
|
|
/// <summary>Start of data sectors in disk image, should be 0x100</summary>
|
|
const uint dataOffset = 0x100;
|
|
/// <summary>Disk image file</summary>
|
|
Filter dimImageFilter;
|
|
byte[] comment;
|
|
byte[] hdrId;
|
|
DiskType dskType;
|
|
#endregion
|
|
|
|
public DIM()
|
|
{
|
|
Name = "DIM Disk Image";
|
|
PluginUUID = new Guid("0240B7B1-E959-4CDC-B0BD-386D6E467B88");
|
|
ImageInfo = new ImageInfo();
|
|
ImageInfo.readableSectorTags = new List<SectorTagType>();
|
|
ImageInfo.readableMediaTags = new List<MediaTagType>();
|
|
ImageInfo.imageHasPartitions = false;
|
|
ImageInfo.imageHasSessions = false;
|
|
ImageInfo.imageVersion = null;
|
|
ImageInfo.imageApplication = null;
|
|
ImageInfo.imageApplicationVersion = null;
|
|
ImageInfo.imageCreator = null;
|
|
ImageInfo.imageComments = null;
|
|
ImageInfo.mediaManufacturer = null;
|
|
ImageInfo.mediaModel = null;
|
|
ImageInfo.mediaSerialNumber = null;
|
|
ImageInfo.mediaBarcode = null;
|
|
ImageInfo.mediaPartNumber = null;
|
|
ImageInfo.mediaSequence = 0;
|
|
ImageInfo.lastMediaSequence = 0;
|
|
ImageInfo.driveManufacturer = null;
|
|
ImageInfo.driveModel = null;
|
|
ImageInfo.driveSerialNumber = null;
|
|
ImageInfo.driveFirmwareRevision = null;
|
|
}
|
|
|
|
public override bool IdentifyImage(Filter imageFilter)
|
|
{
|
|
Stream stream = imageFilter.GetDataForkStream();
|
|
stream.Seek(0, SeekOrigin.Begin);
|
|
|
|
if(stream.Length < dataOffset)
|
|
return false;
|
|
|
|
comment = new byte[60];
|
|
hdrId = new byte[13];
|
|
stream.Seek(0, SeekOrigin.Begin);
|
|
dskType = (DiskType)stream.ReadByte();
|
|
stream.Seek(0xAB, SeekOrigin.Begin);
|
|
stream.Read(hdrId, 0, 13);
|
|
stream.Seek(0xC2, SeekOrigin.Begin);
|
|
stream.Read(comment, 0, 60);
|
|
|
|
return HeaderID.SequenceEqual(hdrId);
|
|
}
|
|
|
|
public override bool OpenImage(Filter imageFilter)
|
|
{
|
|
Stream stream = imageFilter.GetDataForkStream();
|
|
stream.Seek(0, SeekOrigin.Begin);
|
|
|
|
if(stream.Length < dataOffset)
|
|
return false;
|
|
|
|
long diskSize = stream.Length - dataOffset;
|
|
|
|
comment = new byte[60];
|
|
hdrId = new byte[13];
|
|
stream.Seek(0, SeekOrigin.Begin);
|
|
dskType = (DiskType)stream.ReadByte();
|
|
stream.Seek(0xAB, SeekOrigin.Begin);
|
|
stream.Read(hdrId, 0, 13);
|
|
stream.Seek(0xC2, SeekOrigin.Begin);
|
|
stream.Read(comment, 0, 60);
|
|
|
|
if(!HeaderID.SequenceEqual(hdrId))
|
|
return false;
|
|
|
|
ImageInfo.mediaType = MediaType.Unknown;
|
|
|
|
switch(dskType)
|
|
{
|
|
// 8 spt, 1024 bps
|
|
case DiskType.HD2:
|
|
if(diskSize % (2 * 8 * 1024) != 0)
|
|
{
|
|
DicConsole.ErrorWriteLine("DIM shows unknown image with {0} tracks", diskSize / (2 * 8 * 1024));
|
|
return false;
|
|
}
|
|
if(diskSize / (2 * 8 * 1024) == 77)
|
|
ImageInfo.mediaType = MediaType.SHARP_525;
|
|
ImageInfo.sectorSize = 1024;
|
|
break;
|
|
// 9 spt, 1024 bps
|
|
case DiskType.HS2:
|
|
if(diskSize % (2 * 9 * 512) != 0)
|
|
{
|
|
DicConsole.ErrorWriteLine("DIM shows unknown image with {0} tracks", diskSize / (2 * 9 * 512));
|
|
return false;
|
|
}
|
|
if(diskSize / (2 * 9 * 512) == 80)
|
|
ImageInfo.mediaType = MediaType.SHARP_525_9;
|
|
ImageInfo.sectorSize = 512;
|
|
break;
|
|
// 15 spt, 512 bps
|
|
case DiskType.HC2:
|
|
if(diskSize % (2 * 15 * 512) != 0)
|
|
{
|
|
DicConsole.ErrorWriteLine("DIM shows unknown image with {0} tracks", diskSize / (2 * 15 * 512));
|
|
return false;
|
|
}
|
|
if(diskSize / (2 * 15 * 512) == 80)
|
|
ImageInfo.mediaType = MediaType.DOS_525_HD;
|
|
ImageInfo.sectorSize = 512;
|
|
break;
|
|
// 9 spt, 1024 bps
|
|
case DiskType.HDE2:
|
|
if(diskSize % (2 * 9 * 512) != 0)
|
|
{
|
|
DicConsole.ErrorWriteLine("DIM shows unknown image with {0} tracks", diskSize / (2 * 9 * 512));
|
|
return false;
|
|
}
|
|
if(diskSize / (2 * 9 * 512) == 80)
|
|
ImageInfo.mediaType = MediaType.SHARP_35_9;
|
|
ImageInfo.sectorSize = 512;
|
|
break;
|
|
// 18 spt, 512 bps
|
|
case DiskType.HQ2:
|
|
if(diskSize % (2 * 18 * 512) != 0)
|
|
{
|
|
DicConsole.ErrorWriteLine("DIM shows unknown image with {0} tracks", diskSize / (2 * 18 * 512));
|
|
return false;
|
|
}
|
|
if(diskSize / (2 * 18 * 512) == 80)
|
|
ImageInfo.mediaType = MediaType.DOS_35_HD;
|
|
ImageInfo.sectorSize = 512;
|
|
break;
|
|
// 26 spt, 256 bps
|
|
case DiskType.N88:
|
|
if(diskSize % (2 * 26 * 256) == 0)
|
|
{
|
|
if(diskSize % (2 * 26 * 256) == 77)
|
|
ImageInfo.mediaType = MediaType.NEC_525_DD;
|
|
ImageInfo.sectorSize = 256;
|
|
}
|
|
else if(diskSize % (2 * 26 * 128) == 0)
|
|
{
|
|
if(diskSize % (2 * 26 * 128) == 77)
|
|
ImageInfo.mediaType = MediaType.NEC_525_SD;
|
|
ImageInfo.sectorSize = 256;
|
|
}
|
|
else
|
|
{
|
|
DicConsole.ErrorWriteLine("DIM shows unknown image with {0} tracks", diskSize / (2 * 26 * 256));
|
|
return false;
|
|
}
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
DicConsole.VerboseWriteLine("DIM image contains a disk of type {0}", ImageInfo.mediaType);
|
|
if(!string.IsNullOrEmpty(ImageInfo.imageComments))
|
|
DicConsole.VerboseWriteLine("DIM comments: {0}", ImageInfo.imageComments);
|
|
|
|
dimImageFilter = imageFilter;
|
|
|
|
ImageInfo.imageSize = (ulong)diskSize;
|
|
ImageInfo.imageCreationTime = imageFilter.GetCreationTime();
|
|
ImageInfo.imageLastModificationTime = imageFilter.GetLastWriteTime();
|
|
ImageInfo.imageName = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
|
|
ImageInfo.sectors = ImageInfo.imageSize / ImageInfo.sectorSize;
|
|
ImageInfo.imageComments = StringHandlers.CToString(comment, Encoding.GetEncoding(932));
|
|
ImageInfo.xmlMediaType = XmlMediaType.BlockMedia;
|
|
|
|
return true;
|
|
}
|
|
|
|
public override bool ImageHasPartitions()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
public override ulong GetImageSize()
|
|
{
|
|
return ImageInfo.imageSize;
|
|
}
|
|
|
|
public override ulong GetSectors()
|
|
{
|
|
return ImageInfo.sectors;
|
|
}
|
|
|
|
public override uint GetSectorSize()
|
|
{
|
|
return ImageInfo.sectorSize;
|
|
}
|
|
|
|
public override string GetImageFormat()
|
|
{
|
|
return "DIM disk image";
|
|
}
|
|
|
|
public override string GetImageVersion()
|
|
{
|
|
return ImageInfo.imageVersion;
|
|
}
|
|
|
|
public override string GetImageApplication()
|
|
{
|
|
return ImageInfo.imageApplication;
|
|
}
|
|
|
|
public override string GetImageApplicationVersion()
|
|
{
|
|
return ImageInfo.imageApplicationVersion;
|
|
}
|
|
|
|
public override string GetImageCreator()
|
|
{
|
|
return ImageInfo.imageCreator;
|
|
}
|
|
|
|
public override DateTime GetImageCreationTime()
|
|
{
|
|
return ImageInfo.imageCreationTime;
|
|
}
|
|
|
|
public override DateTime GetImageLastModificationTime()
|
|
{
|
|
return ImageInfo.imageLastModificationTime;
|
|
}
|
|
|
|
public override string GetImageName()
|
|
{
|
|
return ImageInfo.imageName;
|
|
}
|
|
|
|
public override string GetImageComments()
|
|
{
|
|
return ImageInfo.imageComments;
|
|
}
|
|
|
|
public override MediaType GetMediaType()
|
|
{
|
|
return ImageInfo.mediaType;
|
|
}
|
|
|
|
public override byte[] ReadSector(ulong sectorAddress)
|
|
{
|
|
return ReadSectors(sectorAddress, 1);
|
|
}
|
|
|
|
public override byte[] ReadSectors(ulong sectorAddress, uint length)
|
|
{
|
|
if(sectorAddress > ImageInfo.sectors - 1)
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
|
|
|
|
if(sectorAddress + length > ImageInfo.sectors)
|
|
throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than available");
|
|
|
|
byte[] buffer = new byte[length * ImageInfo.sectorSize];
|
|
|
|
Stream stream = dimImageFilter.GetDataForkStream();
|
|
|
|
stream.Seek((long)(dataOffset + sectorAddress * ImageInfo.sectorSize), SeekOrigin.Begin);
|
|
|
|
stream.Read(buffer, 0, (int)(length * ImageInfo.sectorSize));
|
|
|
|
return buffer;
|
|
}
|
|
|
|
#region Unsupported features
|
|
|
|
public override byte[] ReadDiskTag(MediaTagType tag)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSector(ulong sectorAddress, uint track)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorLong(ulong sectorAddress)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorLong(ulong sectorAddress, uint track)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override string GetMediaManufacturer()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override string GetMediaModel()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override string GetMediaSerialNumber()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override string GetMediaBarcode()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override string GetMediaPartNumber()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override int GetMediaSequence()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
public override int GetLastDiskSequence()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
public override string GetDriveManufacturer()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override string GetDriveModel()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override string GetDriveSerialNumber()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override List<Partition> GetPartitions()
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override List<Track> GetTracks()
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override List<Track> GetSessionTracks(Session session)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override List<Track> GetSessionTracks(ushort session)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override List<Session> GetSessions()
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override bool? VerifySector(ulong sectorAddress)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public override bool? VerifySector(ulong sectorAddress, uint track)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
|
|
{
|
|
FailingLBAs = new List<ulong>();
|
|
UnknownLBAs = new List<ulong>();
|
|
for(ulong i = 0; i < ImageInfo.sectors; i++)
|
|
UnknownLBAs.Add(i);
|
|
return null;
|
|
}
|
|
|
|
public override bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
|
|
{
|
|
throw new FeatureUnsupportedImageException("Feature not supported by image format");
|
|
}
|
|
|
|
public override bool? VerifyMediaImage()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
} |