Files
Aaru/Aaru.Images/DiskCopy42/DiskCopy42.cs

88 lines
3.4 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : DiskCopy42.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Manages Apple DiskCopy 4.2 disk images, including unofficial modifications.
//
// --[ 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 © 2011-2025 Natalia Portillo
// ****************************************************************************/
using System.Diagnostics.CodeAnalysis;
using System.IO;
using Aaru.CommonTypes.Interfaces;
using Aaru.CommonTypes.Structs;
namespace Aaru.Images;
// Checked using several images and strings inside Apple's DiskImages.framework
/// <inheritdoc cref="Aaru.CommonTypes.Interfaces.IWritableImage" />
/// <summary>Implements reading and writing Apple DiskCopy 4.2 disk images</summary>
[SuppressMessage("ReSharper", "InconsistentNaming")]
public sealed partial class DiskCopy42 : IWritableImage, IVerifiableImage
{
const string MODULE_NAME = "DiskCopy 4.2 plugin";
/// <summary>Bytes per tag, should be 12</summary>
uint bptag;
/// <summary>Start of data sectors in disk image, should be 0x58</summary>
uint dataOffset;
/// <summary>Disk image file</summary>
IFilter dc42ImageFilter;
/// <summary>Header of opened image</summary>
Header header;
ImageInfo imageInfo;
/// <summary>Start of tags in disk image, after data sectors</summary>
uint tagOffset;
bool twiggy;
byte[] twiggyCache;
byte[] twiggyCacheTags;
FileStream writingStream;
public DiskCopy42() => imageInfo = new ImageInfo
{
ReadableSectorTags = [],
ReadableMediaTags = [],
HasPartitions = false,
HasSessions = false,
Version = "4.2",
Application = "Apple DiskCopy",
ApplicationVersion = "4.2",
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
};
~DiskCopy42() => Close();
}