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Refactor image classes and split them to smaller files.

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This commit is contained in:
Natalia Portillo
2018-07-23 23:25:43 +01:00
parent 55ca2d23b6
commit ed88989642
445 changed files with 50086 additions and 34342 deletions
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39
DiscImageChef.DiscImages/RsIde/Constants.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Constants.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains constants for RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
readonly byte[] signature = {0x52, 0x53, 0x2D, 0x49, 0x44, 0x45, 0x1A};
}
}

45
DiscImageChef.DiscImages/RsIde/Enums.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Enums.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains enumerations for RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
[Flags]
enum RsIdeFlags : byte
{
HalfSectors = 1
}
}
}

66
DiscImageChef.DiscImages/RsIde/Helpers.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Helpers.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains helpers for RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
using System.Text;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
static byte[] ScrambleAtaString(string text, int length)
{
byte[] inbuf = Encoding.ASCII.GetBytes(text);
if(inbuf.Length % 2 != 0)
{
byte[] tmpbuf = new byte[inbuf.Length + 1];
Array.Copy(inbuf, 0, tmpbuf, 0, inbuf.Length);
tmpbuf[tmpbuf.Length - 1] = 0x20;
inbuf = tmpbuf;
}
byte[] outbuf = new byte[inbuf.Length];
for(int i = 0; i < length; i += 2)
{
outbuf[i] = inbuf[i + 1];
outbuf[i + 1] = inbuf[i];
}
byte[] retBuf = new byte[length];
for(int i = 0; i < length; i++) retBuf[i] = 0x20;
Array.Copy(outbuf, 0, retBuf, 0, outbuf.Length >= length ? length : outbuf.Length);
return retBuf;
}
}
}

52
DiscImageChef.DiscImages/RsIde/Identify.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Identify.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Identifies RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System.IO;
using System.Linq;
using DiscImageChef.CommonTypes.Interfaces;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
public bool Identify(IFilter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
byte[] magic = new byte[7];
stream.Read(magic, 0, magic.Length);
return magic.SequenceEqual(signature);
}
}
}

77
DiscImageChef.DiscImages/RsIde/Properties.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Properties.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains properties for RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Exceptions;
using DiscImageChef.CommonTypes.Structs;
using Schemas;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
public string Name => "RS-IDE Hard Disk Image";
public Guid Id => new Guid("47C3E78D-2BE2-4BA5-AA6B-FEE27C86FC65");
public ImageInfo Info => imageInfo;
public string Format => "RS-IDE disk image";
public List<Partition> Partitions =>
throw new FeatureUnsupportedImageException("Feature not supported by image format");
public List<Track> Tracks =>
throw new FeatureUnsupportedImageException("Feature not supported by image format");
public List<Session> Sessions =>
throw new FeatureUnsupportedImageException("Feature not supported by image format");
public List<DumpHardwareType> DumpHardware => null;
public CICMMetadataType CicmMetadata => null;
public IEnumerable<MediaTagType> SupportedMediaTags => new[] {MediaTagType.ATA_IDENTIFY};
public IEnumerable<SectorTagType> SupportedSectorTags => new SectorTagType[] { };
public IEnumerable<MediaType> SupportedMediaTypes =>
new[]
{
MediaType.GENERIC_HDD, MediaType.Unknown, MediaType.FlashDrive, MediaType.CompactFlash,
MediaType.CompactFlashType2, MediaType.PCCardTypeI, MediaType.PCCardTypeII, MediaType.PCCardTypeIII,
MediaType.PCCardTypeIV
};
public IEnumerable<(string name, Type type, string description)> SupportedOptions =>
new (string name, Type type, string description)[] { };
public IEnumerable<string> KnownExtensions => new[] {".ide"};
public bool IsWriting { get; private set; }
public string ErrorMessage { get; private set; }
}
}

139
DiscImageChef.DiscImages/RsIde/Read.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Read.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Reads RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Exceptions;
using DiscImageChef.CommonTypes.Interfaces;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
public bool Open(IFilter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
byte[] hdrB = new byte[Marshal.SizeOf(typeof(RsIdeHeader))];
stream.Read(hdrB, 0, hdrB.Length);
IntPtr hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(RsIdeHeader)));
Marshal.Copy(hdrB, 0, hdrPtr, Marshal.SizeOf(typeof(RsIdeHeader)));
RsIdeHeader hdr = (RsIdeHeader)Marshal.PtrToStructure(hdrPtr, typeof(RsIdeHeader));
Marshal.FreeHGlobal(hdrPtr);
if(!hdr.magic.SequenceEqual(signature)) return false;
dataOff = hdr.dataOff;
imageInfo.MediaType = MediaType.GENERIC_HDD;
imageInfo.SectorSize = (uint)(hdr.flags.HasFlag(RsIdeFlags.HalfSectors) ? 256 : 512);
imageInfo.ImageSize = (ulong)(stream.Length - dataOff);
imageInfo.Sectors = imageInfo.ImageSize / imageInfo.SectorSize;
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
imageInfo.MediaTitle = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
imageInfo.Version = $"{hdr.revision >> 8}.{hdr.revision & 0x0F}";
if(!ArrayHelpers.ArrayIsNullOrEmpty(hdr.identify))
{
identify = new byte[512];
Array.Copy(hdr.identify, 0, identify, 0, hdr.identify.Length);
Decoders.ATA.Identify.IdentifyDevice? ataId = Decoders.ATA.Identify.Decode(identify);
if(ataId.HasValue)
{
imageInfo.ReadableMediaTags.Add(MediaTagType.ATA_IDENTIFY);
imageInfo.Cylinders = ataId.Value.Cylinders;
imageInfo.Heads = ataId.Value.Heads;
imageInfo.SectorsPerTrack = ataId.Value.SectorsPerCard;
imageInfo.DriveFirmwareRevision = ataId.Value.FirmwareRevision;
imageInfo.DriveModel = ataId.Value.Model;
imageInfo.DriveSerialNumber = ataId.Value.SerialNumber;
imageInfo.MediaSerialNumber = ataId.Value.MediaSerial;
imageInfo.MediaManufacturer = ataId.Value.MediaManufacturer;
}
}
if(imageInfo.Cylinders == 0 || imageInfo.Heads == 0 || imageInfo.SectorsPerTrack == 0)
{
imageInfo.Cylinders = (uint)(imageInfo.Sectors / 16 / 63);
imageInfo.Heads = 16;
imageInfo.SectorsPerTrack = 63;
}
rsIdeImageFilter = imageFilter;
return true;
}
public byte[] ReadSector(ulong sectorAddress)
{
return ReadSectors(sectorAddress, 1);
}
public 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 = rsIdeImageFilter.GetDataForkStream();
stream.Seek((long)(dataOff + sectorAddress * imageInfo.SectorSize), SeekOrigin.Begin);
stream.Read(buffer, 0, (int)(length * imageInfo.SectorSize));
return buffer;
}
public byte[] ReadDiskTag(MediaTagType tag)
{
if(!imageInfo.ReadableMediaTags.Contains(tag) || tag != MediaTagType.ATA_IDENTIFY)
throw new FeatureUnsupportedImageException("Feature not supported by image format");
byte[] buffer = new byte[512];
Array.Copy(identify, 0, buffer, 0, 512);
return buffer;
}
}
}

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DiscImageChef.DiscImages/RsIde/RsIde.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : RsIde.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Manages RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System.Collections.Generic;
using System.IO;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Structs;
namespace DiscImageChef.DiscImages
{
public partial class RsIde : IWritableImage
{
ushort dataOff;
byte[] identify;
ImageInfo imageInfo;
IFilter rsIdeImageFilter;
FileStream writingStream;
public RsIde()
{
imageInfo = new ImageInfo
{
ReadableSectorTags = new List<SectorTagType>(),
ReadableMediaTags = new List<MediaTagType>(),
HasPartitions = false,
HasSessions = false,
Version = null,
Application = null,
ApplicationVersion = null,
Creator = null,
Comments = null,
MediaManufacturer = null,
MediaModel = null,
MediaSerialNumber = null,
MediaBarcode = null,
MediaPartNumber = null,
MediaSequence = 0,
LastMediaSequence = 0,
DriveManufacturer = null,
DriveModel = null,
DriveSerialNumber = null,
DriveFirmwareRevision = null
};
}
}
}

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DiscImageChef.DiscImages/RsIde/Structs.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Structs.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains structures for RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System.Runtime.InteropServices;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct RsIdeHeader
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 7)]
public byte[] magic;
public byte revision;
public RsIdeFlags flags;
public ushort dataOff;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)]
public byte[] reserved;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 106)]
public byte[] identify;
}
}
}

133
DiscImageChef.DiscImages/RsIde/Unsupported.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Unsupported.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains features unsupported by RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System.Collections.Generic;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Exceptions;
using DiscImageChef.CommonTypes.Structs;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
public byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSector(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectorLong(ulong sectorAddress)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectorLong(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectorsLong(ulong sectorAddress, uint length)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public List<Track> GetSessionTracks(Session session)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public List<Track> GetSessionTracks(ushort session)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public bool? VerifySector(ulong sectorAddress)
{
return null;
}
public bool? VerifySector(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public 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 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 bool? VerifyMediaImage()
{
return null;
}
}
}

345
DiscImageChef.DiscImages/RsIde/Write.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Write.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Writes RS-IDE disk images.
//
// --[ 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 © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Structs;
using Schemas;
using Version = DiscImageChef.CommonTypes.Interop.Version;
namespace DiscImageChef.DiscImages
{
public partial class RsIde
{
public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
uint sectorSize)
{
if(sectorSize != 256 && sectorSize != 512)
{
ErrorMessage = "Unsupported sector size";
return false;
}
if(sectors > 63 * 16 * 1024)
{
ErrorMessage = "Too many sectors";
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.OpenOrCreate, FileAccess.ReadWrite, FileShare.None); }
catch(IOException e)
{
ErrorMessage = $"Could not create new image file, exception {e.Message}";
return false;
}
IsWriting = true;
ErrorMessage = null;
return true;
}
public bool WriteMediaTag(byte[] data, MediaTagType tag)
{
if(tag != MediaTagType.ATA_IDENTIFY)
{
ErrorMessage = $"Unsupported media tag {tag}.";
return false;
}
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
identify = new byte[106];
Array.Copy(data, 0, identify, 0, 106);
return true;
}
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;
}
writingStream
.Seek((long)((ulong)Marshal.SizeOf(typeof(RsIdeHeader)) + sectorAddress * imageInfo.SectorSize),
SeekOrigin.Begin);
writingStream.Write(data, 0, data.Length);
ErrorMessage = "";
return true;
}
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;
}
writingStream
.Seek((long)((ulong)Marshal.SizeOf(typeof(RsIdeHeader)) + sectorAddress * imageInfo.SectorSize),
SeekOrigin.Begin);
writingStream.Write(data, 0, data.Length);
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(imageInfo.Cylinders == 0)
{
imageInfo.Cylinders = (uint)(imageInfo.Sectors / 16 / 63);
imageInfo.Heads = 16;
imageInfo.SectorsPerTrack = 63;
while(imageInfo.Cylinders == 0)
{
imageInfo.Heads--;
if(imageInfo.Heads == 0)
{
imageInfo.SectorsPerTrack--;
imageInfo.Heads = 16;
}
imageInfo.Cylinders = (uint)(imageInfo.Sectors / imageInfo.Heads / imageInfo.SectorsPerTrack);
if(imageInfo.Cylinders == 0 && imageInfo.Heads == 0 && imageInfo.SectorsPerTrack == 0) break;
}
}
RsIdeHeader header = new RsIdeHeader
{
magic = signature,
identify = new byte[106],
dataOff = (ushort)Marshal.SizeOf(typeof(RsIdeHeader)),
revision = 1,
reserved = new byte[11]
};
if(imageInfo.SectorSize == 256) header.flags = RsIdeFlags.HalfSectors;
if(identify == null)
{
Decoders.ATA.Identify.IdentifyDevice ataId = new Decoders.ATA.Identify.IdentifyDevice
{
GeneralConfiguration =
Decoders.ATA.Identify.GeneralConfigurationBit.UltraFastIDE |
Decoders.ATA.Identify.GeneralConfigurationBit.Fixed |
Decoders.ATA.Identify.GeneralConfigurationBit.NotMFM |
Decoders.ATA.Identify.GeneralConfigurationBit.SoftSector,
Cylinders = (ushort)imageInfo.Cylinders,
Heads = (ushort)imageInfo.Heads,
SectorsPerTrack = (ushort)imageInfo.SectorsPerTrack,
VendorWord47 = 0x80,
Capabilities =
Decoders.ATA.Identify.CapabilitiesBit.DMASupport | Decoders.ATA.Identify.CapabilitiesBit.IORDY |
Decoders.ATA.Identify.CapabilitiesBit.LBASupport,
ExtendedIdentify = Decoders.ATA.Identify.ExtendedIdentifyBit.Words54to58Valid,
CurrentCylinders = (ushort)imageInfo.Cylinders,
CurrentHeads = (ushort)imageInfo.Heads,
CurrentSectorsPerTrack = (ushort)imageInfo.SectorsPerTrack,
CurrentSectors = (uint)imageInfo.Sectors,
LBASectors = (uint)imageInfo.Sectors,
DMASupported = Decoders.ATA.Identify.TransferMode.Mode0,
DMAActive = Decoders.ATA.Identify.TransferMode.Mode0
};
if(string.IsNullOrEmpty(imageInfo.DriveManufacturer)) imageInfo.DriveManufacturer = "DiscImageChef";
if(string.IsNullOrEmpty(imageInfo.DriveModel)) imageInfo.DriveModel = "";
if(string.IsNullOrEmpty(imageInfo.DriveFirmwareRevision)) Version.GetVersion();
if(string.IsNullOrEmpty(imageInfo.DriveSerialNumber))
imageInfo.DriveSerialNumber = $"{new Random().NextDouble():16X}";
byte[] ataIdBytes = new byte[Marshal.SizeOf(ataId)];
IntPtr ptr = Marshal.AllocHGlobal(512);
Marshal.StructureToPtr(ataId, ptr, true);
Marshal.Copy(ptr, ataIdBytes, 0, Marshal.SizeOf(ataId));
Marshal.FreeHGlobal(ptr);
Array.Copy(ScrambleAtaString(imageInfo.DriveManufacturer + " " + imageInfo.DriveModel, 40), 0,
ataIdBytes, 27 * 2, 40);
Array.Copy(ScrambleAtaString(imageInfo.DriveFirmwareRevision, 8), 0, ataIdBytes, 23 * 2, 8);
Array.Copy(ScrambleAtaString(imageInfo.DriveSerialNumber, 20), 0, ataIdBytes, 10 * 2, 20);
Array.Copy(ataIdBytes, 0, header.identify, 0, 106);
}
else Array.Copy(identify, 0, header.identify, 0, 106);
byte[] hdr = new byte[Marshal.SizeOf(header)];
IntPtr hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(header));
Marshal.StructureToPtr(header, hdrPtr, true);
Marshal.Copy(hdrPtr, hdr, 0, hdr.Length);
Marshal.FreeHGlobal(hdrPtr);
writingStream.Seek(0, SeekOrigin.Begin);
writingStream.Write(hdr, 0, hdr.Length);
writingStream.Flush();
writingStream.Close();
IsWriting = false;
ErrorMessage = "";
return true;
}
public bool SetMetadata(ImageInfo metadata)
{
imageInfo.DriveManufacturer = metadata.DriveManufacturer;
imageInfo.DriveModel = metadata.DriveModel;
imageInfo.DriveFirmwareRevision = metadata.DriveFirmwareRevision;
imageInfo.DriveSerialNumber = metadata.DriveSerialNumber;
return true;
}
public bool SetGeometry(uint cylinders, uint heads, uint sectorsPerTrack)
{
if(cylinders > ushort.MaxValue)
{
ErrorMessage = "Too many cylinders.";
return false;
}
if(heads > ushort.MaxValue)
{
ErrorMessage = "Too many heads.";
return false;
}
if(sectorsPerTrack > ushort.MaxValue)
{
ErrorMessage = "Too many sectors per track.";
return false;
}
imageInfo.SectorsPerTrack = sectorsPerTrack;
imageInfo.Heads = heads;
imageInfo.Cylinders = cylinders;
return true;
}
public bool WriteSectorTag(byte[] data, ulong sectorAddress, SectorTagType tag)
{
ErrorMessage = "Unsupported feature";
return false;
}
public bool WriteSectorsTag(byte[] data, ulong sectorAddress, uint length, SectorTagType tag)
{
ErrorMessage = "Unsupported feature";
return false;
}
public bool SetDumpHardware(List<DumpHardwareType> dumpHardware)
{
// Not supported
return false;
}
public bool SetCicmMetadata(CICMMetadataType metadata)
{
// Not supported
return false;
}
}
}