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434 lines
12 KiB
C#
434 lines
12 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : RsIde.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Component
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Description
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2017 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.IO;
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using System.Collections.Generic;
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using DiscImageChef.CommonTypes;
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using System.Linq;
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using DiscImageChef.Filters;
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using System.Runtime.InteropServices;
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using static DiscImageChef.Decoders.ATA.Identify;
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namespace DiscImageChef.ImagePlugins
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{
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public class RsIde : ImagePlugin
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{
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public RsIde()
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{
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Name = "RS-IDE Hard Disk Image";
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PluginUUID = new Guid("47C3E78D-2BE2-4BA5-AA6B-FEE27C86FC65");
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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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imageHasPartitions = false,
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imageHasSessions = false,
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imageVersion = null,
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imageApplication = null,
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imageApplicationVersion = null,
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imageCreator = null,
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imageComments = 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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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct RsIdeHeader
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 7)]
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public byte[] magic;
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public byte revision;
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public RsIdeFlags flags;
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public ushort dataOff;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)]
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public byte[] reserved;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 106)]
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public byte[] identify;
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}
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[Flags]
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enum RsIdeFlags : byte
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{
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HalfSectors = 1
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}
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Filter RsIdeImageFilter;
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ushort dataOff;
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readonly byte[] signature = { 0x52, 0x53, 0x2D, 0x49, 0x44, 0x45, 0x1A };
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byte[] identify;
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public override bool IdentifyImage(Filter imageFilter)
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{
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Stream stream = imageFilter.GetDataForkStream();
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stream.Seek(0, SeekOrigin.Begin);
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byte[] magic = new byte[7];
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stream.Read(magic, 0, magic.Length);
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return magic.SequenceEqual(signature);
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}
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public override bool OpenImage(Filter imageFilter)
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{
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Stream stream = imageFilter.GetDataForkStream();
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stream.Seek(0, SeekOrigin.Begin);
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byte[] hdr_b = new byte[Marshal.SizeOf(typeof(RsIdeHeader))];
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stream.Read(hdr_b, 0, hdr_b.Length);
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IntPtr hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(RsIdeHeader)));
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Marshal.Copy(hdr_b, 0, hdrPtr, Marshal.SizeOf(typeof(RsIdeHeader)));
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RsIdeHeader hdr = (RsIdeHeader)Marshal.PtrToStructure(hdrPtr, typeof(RsIdeHeader));
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Marshal.FreeHGlobal(hdrPtr);
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if(!hdr.magic.SequenceEqual(signature))
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return false;
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dataOff = hdr.dataOff;
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ImageInfo.mediaType = MediaType.GENERIC_HDD;
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ImageInfo.sectorSize = (uint)(hdr.flags.HasFlag(RsIdeFlags.HalfSectors) ? 256 : 512);
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ImageInfo.imageSize = (ulong)(stream.Length - dataOff);
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ImageInfo.sectors = ImageInfo.imageSize / ImageInfo.sectorSize;
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ImageInfo.imageCreationTime = imageFilter.GetCreationTime();
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ImageInfo.imageLastModificationTime = imageFilter.GetLastWriteTime();
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ImageInfo.imageName = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
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ImageInfo.xmlMediaType = XmlMediaType.BlockMedia;
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ImageInfo.imageVersion = string.Format("{0}.{1}", hdr.revision >> 8, hdr.revision & 0x0F);
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if(!ArrayHelpers.ArrayIsNullOrEmpty(hdr.identify))
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{
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identify = new byte[512];
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Array.Copy(hdr.identify, 0, identify, 0, hdr.identify.Length);
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IdentifyDevice? ataId = Decode(identify);
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if(ataId.HasValue)
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{
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ImageInfo.readableMediaTags.Add(MediaTagType.ATA_IDENTIFY);
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ImageInfo.cylinders = ataId.Value.Cylinders;
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ImageInfo.heads = ataId.Value.Heads;
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ImageInfo.sectorsPerTrack = ataId.Value.SectorsPerCard;
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ImageInfo.driveFirmwareRevision = ataId.Value.FirmwareRevision;
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ImageInfo.driveModel = ataId.Value.Model;
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ImageInfo.driveSerialNumber = ataId.Value.SerialNumber;
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ImageInfo.mediaSerialNumber = ataId.Value.MediaSerial;
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ImageInfo.mediaManufacturer = ataId.Value.MediaManufacturer;
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}
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}
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if(ImageInfo.cylinders == 0 || ImageInfo.heads == 0 || ImageInfo.sectorsPerTrack == 0)
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{
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ImageInfo.cylinders = (uint)((ImageInfo.sectors / 16) / 63);
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ImageInfo.heads = 16;
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ImageInfo.sectorsPerTrack = 63;
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}
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RsIdeImageFilter = imageFilter;
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return true;
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}
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public override bool ImageHasPartitions()
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{
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return false;
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}
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public override ulong GetImageSize()
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{
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return ImageInfo.imageSize;
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}
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public override ulong GetSectors()
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{
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return ImageInfo.sectors;
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}
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public override uint GetSectorSize()
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{
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return ImageInfo.sectorSize;
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}
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public override string GetImageFormat()
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{
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return "RS-IDE disk image";
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}
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public override string GetImageVersion()
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{
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return ImageInfo.imageVersion;
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}
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public override string GetImageApplication()
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{
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return ImageInfo.imageApplication;
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}
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public override string GetImageApplicationVersion()
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{
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return ImageInfo.imageApplicationVersion;
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}
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public override string GetImageCreator()
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{
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return ImageInfo.imageCreator;
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}
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public override DateTime GetImageCreationTime()
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{
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return ImageInfo.imageCreationTime;
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}
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public override DateTime GetImageLastModificationTime()
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{
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return ImageInfo.imageLastModificationTime;
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}
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public override string GetImageName()
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{
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return ImageInfo.imageName;
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}
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public override string GetImageComments()
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{
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return ImageInfo.imageComments;
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}
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public override MediaType GetMediaType()
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{
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return ImageInfo.mediaType;
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}
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public override byte[] ReadSector(ulong sectorAddress)
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{
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return ReadSectors(sectorAddress, 1);
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}
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public override byte[] ReadSectors(ulong sectorAddress, uint length)
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{
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if(sectorAddress > ImageInfo.sectors - 1)
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throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
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if(sectorAddress + length > ImageInfo.sectors)
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throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than available");
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byte[] buffer = new byte[length * ImageInfo.sectorSize];
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Stream stream = RsIdeImageFilter.GetDataForkStream();
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stream.Seek((long)(dataOff + sectorAddress * ImageInfo.sectorSize), SeekOrigin.Begin);
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stream.Read(buffer, 0, (int)(length * ImageInfo.sectorSize));
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return buffer;
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}
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#region Unsupported features
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public override byte[] ReadDiskTag(MediaTagType tag)
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{
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if(ImageInfo.readableMediaTags.Contains(tag) && tag == MediaTagType.ATA_IDENTIFY)
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{
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byte[] buffer = new byte[512];
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Array.Copy(identify, 0, buffer, 0, 512);
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return buffer;
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}
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSector(ulong sectorAddress, uint track)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorLong(ulong sectorAddress)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorLong(ulong sectorAddress, uint track)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorsLong(ulong sectorAddress, uint length)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override string GetMediaManufacturer()
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{
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return ImageInfo.mediaManufacturer;
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}
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public override string GetMediaModel()
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{
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return null;
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}
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public override string GetMediaSerialNumber()
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{
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return ImageInfo.mediaSerialNumber;
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}
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public override string GetMediaBarcode()
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{
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return null;
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}
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public override string GetMediaPartNumber()
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{
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return null;
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}
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public override int GetMediaSequence()
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{
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return 0;
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}
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public override int GetLastDiskSequence()
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{
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return 0;
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}
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public override string GetDriveManufacturer()
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{
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return ImageInfo.driveManufacturer;
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}
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public override string GetDriveModel()
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{
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return ImageInfo.driveModel;
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}
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public override string GetDriveSerialNumber()
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{
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return ImageInfo.driveSerialNumber;
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}
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public override List<Partition> GetPartitions()
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Track> GetTracks()
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Track> GetSessionTracks(Session session)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Track> GetSessionTracks(ushort session)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override List<Session> GetSessions()
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override bool? VerifySector(ulong sectorAddress)
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{
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return null;
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}
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public override bool? VerifySector(ulong sectorAddress, uint track)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
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{
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FailingLBAs = new List<ulong>();
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UnknownLBAs = new List<ulong>();
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for(ulong i = 0; i < ImageInfo.sectors; i++)
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UnknownLBAs.Add(i);
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return null;
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}
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public override bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> FailingLBAs, out List<ulong> UnknownLBAs)
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{
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throw new FeatureUnsupportedImageException("Feature not supported by image format");
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}
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public override bool? VerifyMediaImage()
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{
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return null;
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}
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#endregion
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}
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} |