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🐛Add support for the Microsoft Resilient File System (aka ReFS), fixes #13

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Natalia Portillo
2017-12-30 17:47:55 +00:00
parent 55291344a6
commit 0d0bc878a6
4 changed files with 179 additions and 19 deletions
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1
.idea/.idea.DiscImageChef/.idea/contentModel.xml generated
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@@ -573,6 +573,7 @@
<e p="QNX6.cs" t="Include" />
<e p="RBF.cs" t="Include" />
<e p="RT11.cs" t="Include" />
<e p="ReFS.cs" t="Include" />
<e p="Reiser.cs" t="Include" />
<e p="Reiser4.cs" t="Include" />
<e p="SFS.cs" t="Include" />

1
DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj
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@@ -59,6 +59,7 @@
<Compile Include="PCEngine.cs" />
<Compile Include="IFilesystem.cs" />
<Compile Include="ProDOS.cs" />
<Compile Include="ReFS.cs" />
<Compile Include="SolarFS.cs" />
<Compile Include="Symbian.cs" />
<Compile Include="SysV.cs" />

160
DiscImageChef.Filesystems/ReFS.cs Normal file
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@@ -0,0 +1,160 @@
// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : ReFS.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Resilient File System plugin
//
// --[ Description ] ----------------------------------------------------------
//
// Identifies the Resilient File System and shows information.
//
// --[ 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.Linq;
using System.Runtime.InteropServices;
using System.Text;
using DiscImageChef.CommonTypes;
using DiscImageChef.Console;
using DiscImageChef.DiscImages;
using Schemas;
namespace DiscImageChef.Filesystems
{
public class ReFS : IFilesystem
{
const uint FSRS = 0x53525346;
readonly byte[] refsSignature = {0x52, 0x65, 0x46, 0x53, 0x00, 0x00, 0x00, 0x00};
public string Name => "Resilient File System plugin";
public Guid Id => new Guid("37766C4E-EBF5-4113-A712-B758B756ABD6");
public FileSystemType XmlFsType { get; private set; }
public Encoding Encoding { get; private set; }
public bool Identify(IMediaImage imagePlugin, Partition partition)
{
RefsVolumeHeader refsVhdr = new RefsVolumeHeader();
uint sbSize = (uint)(Marshal.SizeOf(refsVhdr) / imagePlugin.Info.SectorSize);
if(Marshal.SizeOf(refsVhdr) % imagePlugin.Info.SectorSize != 0) sbSize++;
if(partition.Start + sbSize >= partition.End) return false;
byte[] sector = imagePlugin.ReadSectors(partition.Start, sbSize);
if(sector.Length < Marshal.SizeOf(refsVhdr)) return false;
IntPtr sbPtr = Marshal.AllocHGlobal(Marshal.SizeOf(refsVhdr));
Marshal.Copy(sector, 0, sbPtr, Marshal.SizeOf(refsVhdr));
refsVhdr = (RefsVolumeHeader)Marshal.PtrToStructure(sbPtr, typeof(RefsVolumeHeader));
Marshal.FreeHGlobal(sbPtr);
return refsVhdr.identifier == FSRS && ArrayHelpers.ArrayIsNullOrEmpty(refsVhdr.mustBeZero) &&
refsVhdr.signature.SequenceEqual(refsSignature);
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = Encoding.UTF8;
information = "";
RefsVolumeHeader refsVhdr = new RefsVolumeHeader();
uint sbSize = (uint)(Marshal.SizeOf(refsVhdr) / imagePlugin.Info.SectorSize);
if(Marshal.SizeOf(refsVhdr) % imagePlugin.Info.SectorSize != 0) sbSize++;
if(partition.Start + sbSize >= partition.End) return;
byte[] sector = imagePlugin.ReadSectors(partition.Start, sbSize);
if(sector.Length < Marshal.SizeOf(refsVhdr)) return;
IntPtr sbPtr = Marshal.AllocHGlobal(Marshal.SizeOf(refsVhdr));
Marshal.Copy(sector, 0, sbPtr, Marshal.SizeOf(refsVhdr));
refsVhdr = (RefsVolumeHeader)Marshal.PtrToStructure(sbPtr, typeof(RefsVolumeHeader));
Marshal.FreeHGlobal(sbPtr);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.jump empty? = {0}",
ArrayHelpers.ArrayIsNullOrEmpty(refsVhdr.jump));
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.signature = {0}",
StringHandlers.CToString(refsVhdr.signature));
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.mustBeZero empty? = {0}",
ArrayHelpers.ArrayIsNullOrEmpty(refsVhdr.mustBeZero));
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.identifier = {0}",
StringHandlers.CToString(BitConverter.GetBytes(refsVhdr.identifier)));
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.length = {0}", refsVhdr.length);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.checksum = 0x{0:X4}", refsVhdr.checksum);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.sectors = {0}", refsVhdr.sectors);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.bytesPerSector = {0}", refsVhdr.bytesPerSector);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.sectorsPerCluster = {0}",
refsVhdr.sectorsPerCluster);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.unknown1 zero? = {0}", refsVhdr.unknown1 == 0);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.unknown2 zero? = {0}", refsVhdr.unknown2 == 0);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.unknown3 zero? = {0}", refsVhdr.unknown3 == 0);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.unknown4 zero? = {0}", refsVhdr.unknown4 == 0);
DicConsole.DebugWriteLine("ReFS plugin", "VolumeHeader.unknown5 empty? = {0}",
ArrayHelpers.ArrayIsNullOrEmpty(refsVhdr.unknown5));
if(refsVhdr.identifier != FSRS || !ArrayHelpers.ArrayIsNullOrEmpty(refsVhdr.mustBeZero) ||
!refsVhdr.signature.SequenceEqual(refsSignature)) return;
StringBuilder sb = new StringBuilder();
sb.AppendLine("Microsoft Resilient File System");
sb.AppendFormat("Volume uses {0} bytes per sector", refsVhdr.bytesPerSector).AppendLine();
sb.AppendFormat("Volume uses {0} sectors per cluster ({1} bytes)", refsVhdr.sectorsPerCluster,
refsVhdr.sectorsPerCluster * refsVhdr.bytesPerSector).AppendLine();
sb.AppendFormat("Volume has {0} sectors ({1} bytes)", refsVhdr.sectors,
refsVhdr.sectors * refsVhdr.bytesPerSector).AppendLine();
information = sb.ToString();
XmlFsType = new FileSystemType
{
Type = "Resilient File System",
ClusterSize = (int)(refsVhdr.bytesPerSector * refsVhdr.sectorsPerCluster),
Clusters = (long)(refsVhdr.sectors / refsVhdr.sectorsPerCluster)
};
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct RefsVolumeHeader
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
public byte[] jump;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
public byte[] signature;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
public byte[] mustBeZero;
public uint identifier;
public ushort length;
public ushort checksum;
public ulong sectors;
public uint bytesPerSector;
public uint sectorsPerCluster;
public uint unknown1;
public uint unknown2;
public ulong unknown3;
public ulong unknown4;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 15872)]
public byte[] unknown5;
}
}
}

24
DiscImageChef.Tests/Filesystems/ReFS.cs
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@@ -26,11 +26,11 @@
// Copyright © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using DiscImageChef.CommonTypes;
using DiscImageChef.DiscImages;
using DiscImageChef.Filesystems;
using DiscImageChef.Filters;
using NUnit.Framework;
@@ -45,13 +45,13 @@ namespace DiscImageChef.Tests.Filesystems
readonly uint[] sectorsize = {512};
readonly long[] clusters = {8388096};
readonly long[] clusters = {8372224};
readonly int[] clustersize = {4096};
readonly string[] volumename = {null};
readonly string[] volumeserial = {"UNKNOWN"};
readonly string[] volumeserial = {null};
readonly string[] oemid = {null};
@@ -77,17 +77,15 @@ namespace DiscImageChef.Tests.Filesystems
}
Assert.AreNotEqual(-1, part, $"Partition not found on {testfiles[i]}");
throw new NotImplementedException("ReFS is not yet implemented");
/*
Filesystem fs = new DiscImageChef.Filesystems.ReFS();
IFilesystem fs = new ReFS();
Assert.AreEqual(true, fs.Identify(image, partitions[part]), testfiles[i]);
fs.GetInformation(image, partitions[part], out _);
Assert.AreEqual(clusters[i], fs.XmlFSType.Clusters, testfiles[i]);
Assert.AreEqual(clustersize[i], fs.XmlFSType.ClusterSize, testfiles[i]);
Assert.AreEqual("ReFS", fs.XmlFSType.Type, testfiles[i]);
Assert.AreEqual(volumename[i], fs.XmlFSType.VolumeName, testfiles[i]);
Assert.AreEqual(volumeserial[i], fs.XmlFSType.VolumeSerial, testfiles[i]);
Assert.AreEqual(oemid[i], fs.XmlFSType.SystemIdentifier, testfiles[i]);*/
fs.GetInformation(image, partitions[part], out _, null);
Assert.AreEqual(clusters[i], fs.XmlFsType.Clusters, testfiles[i]);
Assert.AreEqual(clustersize[i], fs.XmlFsType.ClusterSize, testfiles[i]);
Assert.AreEqual("Resilient File System", fs.XmlFsType.Type, testfiles[i]);
Assert.AreEqual(volumename[i], fs.XmlFsType.VolumeName, testfiles[i]);
Assert.AreEqual(volumeserial[i], fs.XmlFsType.VolumeSerial, testfiles[i]);
Assert.AreEqual(oemid[i], fs.XmlFsType.SystemIdentifier, testfiles[i]);
}
}
}