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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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71
DiscImageChef.DiscImages/Partimage/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 partimage 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 Partimage
{
const int MAX_DESCRIPTION = 4096;
const int MAX_HOSTNAMESIZE = 128;
const int MAX_DEVICENAMELEN = 512;
const int MAX_UNAMEINFOLEN = 65; //SYS_NMLN
const int MBR_SIZE_WHOLE = 512;
const int MAX_DESC_MODEL = 128;
const int MAX_DESC_GEOMETRY = 1024;
const int MAX_DESC_IDENTIFY = 4096;
const int CHECK_FREQUENCY = 65536;
const string MAGIC_BEGIN_LOCALHEADER = "MAGIC-BEGIN-LOCALHEADER";
const string MAGIC_BEGIN_DATABLOCKS = "MAGIC-BEGIN-DATABLOCKS";
const string MAGIC_BEGIN_BITMAP = "MAGIC-BEGIN-BITMAP";
const string MAGIC_BEGIN_MBRBACKUP = "MAGIC-BEGIN-MBRBACKUP";
const string MAGIC_BEGIN_TAIL = "MAGIC-BEGIN-TAIL";
const string MAGIC_BEGIN_INFO = "MAGIC-BEGIN-INFO";
const string MAGIC_BEGIN_EXT000 = "MAGIC-BEGIN-EXT000"; // reserved for future use
const string MAGIC_BEGIN_EXT001 = "MAGIC-BEGIN-EXT001"; // reserved for future use
const string MAGIC_BEGIN_EXT002 = "MAGIC-BEGIN-EXT002"; // reserved for future use
const string MAGIC_BEGIN_EXT003 = "MAGIC-BEGIN-EXT003"; // reserved for future use
const string MAGIC_BEGIN_EXT004 = "MAGIC-BEGIN-EXT004"; // reserved for future use
const string MAGIC_BEGIN_EXT005 = "MAGIC-BEGIN-EXT005"; // reserved for future use
const string MAGIC_BEGIN_EXT006 = "MAGIC-BEGIN-EXT006"; // reserved for future use
const string MAGIC_BEGIN_EXT007 = "MAGIC-BEGIN-EXT007"; // reserved for future use
const string MAGIC_BEGIN_EXT008 = "MAGIC-BEGIN-EXT008"; // reserved for future use
const string MAGIC_BEGIN_EXT009 = "MAGIC-BEGIN-EXT009"; // reserved for future use
const string MAGIC_BEGIN_VOLUME = "PaRtImAgE-VoLuMe";
const uint MAX_CACHE_SIZE = 16777216;
const uint MAX_CACHED_SECTORS = MAX_CACHE_SIZE / 512;
readonly byte[] partimageMagic =
{
0x50, 0x61, 0x52, 0x74, 0x49, 0x6D, 0x41, 0x67, 0x45, 0x2D, 0x56, 0x6F, 0x4C, 0x75, 0x4D, 0x65, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
}
}

50
DiscImageChef.DiscImages/Partimage/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 partimage 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 Partimage
{
enum PCompression : uint
{
None = 0,
Gzip = 1,
Bzip2 = 2,
Lzo = 3
}
enum PEncryption : uint
{
None = 0
}
}
}

44
DiscImageChef.DiscImages/Partimage/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 partimage 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 Partimage
{
ulong BlockOffset(ulong sectorAddress)
{
extents.GetStart(sectorAddress, out ulong extentStart);
extentsOff.TryGetValue(extentStart, out ulong extentStartingOffset);
return extentStartingOffset + (sectorAddress - extentStart);
}
}
}

61
DiscImageChef.DiscImages/Partimage/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 partimage 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.Interfaces;
namespace DiscImageChef.DiscImages
{
public partial class Partimage
{
public bool Identify(IFilter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
if(stream.Length < 512) return false;
byte[] pHdrB = new byte[Marshal.SizeOf(cVolumeHeader)];
stream.Read(pHdrB, 0, Marshal.SizeOf(cVolumeHeader));
cVolumeHeader = new PartimageHeader();
IntPtr headerPtr = Marshal.AllocHGlobal(Marshal.SizeOf(cVolumeHeader));
Marshal.Copy(pHdrB, 0, headerPtr, Marshal.SizeOf(cVolumeHeader));
cVolumeHeader = (PartimageHeader)Marshal.PtrToStructure(headerPtr, typeof(PartimageHeader));
Marshal.FreeHGlobal(headerPtr);
return partimageMagic.SequenceEqual(cVolumeHeader.magic);
}
}
}

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DiscImageChef.DiscImages/Partimage/Partimage.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Partimage.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Manages partimage 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.Extents;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Structs;
#pragma warning disable 649
namespace DiscImageChef.DiscImages
{
public partial class Partimage : IMediaImage
{
byte[] bitmap;
PartimageMainHeader cMainHeader;
PartimageHeader cVolumeHeader;
long dataOff;
ExtentsULong extents;
Dictionary<ulong, ulong> extentsOff;
ImageInfo imageInfo;
Stream imageStream;
Dictionary<ulong, byte[]> sectorCache;
public Partimage()
{
imageInfo = new ImageInfo
{
ReadableSectorTags = new List<SectorTagType>(),
ReadableMediaTags = new List<MediaTagType>(),
HasPartitions = false,
HasSessions = false,
Application = "Partimage",
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/Partimage/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 partimage 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.Exceptions;
using DiscImageChef.CommonTypes.Structs;
using Schemas;
namespace DiscImageChef.DiscImages
{
public partial class Partimage
{
public ImageInfo Info => imageInfo;
public string Name => "Partimage disk image";
public Guid Id => new Guid("AAFDB99D-2B77-49EA-831C-C9BB58C68C95");
public string Format => "Partimage";
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;
}
}

364
DiscImageChef.DiscImages/Partimage/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 partimage 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.Runtime.InteropServices;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Exceptions;
using DiscImageChef.CommonTypes.Extents;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.Console;
namespace DiscImageChef.DiscImages
{
public partial class Partimage
{
public bool Open(IFilter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
if(stream.Length < 512) return false;
byte[] hdrB = new byte[Marshal.SizeOf(cVolumeHeader)];
stream.Read(hdrB, 0, Marshal.SizeOf(cVolumeHeader));
cVolumeHeader = new PartimageHeader();
IntPtr headerPtr = Marshal.AllocHGlobal(Marshal.SizeOf(cVolumeHeader));
Marshal.Copy(hdrB, 0, headerPtr, Marshal.SizeOf(cVolumeHeader));
cVolumeHeader = (PartimageHeader)Marshal.PtrToStructure(headerPtr, typeof(PartimageHeader));
Marshal.FreeHGlobal(headerPtr);
DicConsole.DebugWriteLine("Partimage plugin", "CVolumeHeader.magic = {0}",
StringHandlers.CToString(cVolumeHeader.magic));
DicConsole.DebugWriteLine("Partimage plugin", "CVolumeHeader.version = {0}",
StringHandlers.CToString(cVolumeHeader.version));
DicConsole.DebugWriteLine("Partimage plugin", "CVolumeHeader.volumeNumber = {0}",
cVolumeHeader.volumeNumber);
DicConsole.DebugWriteLine("Partimage plugin", "CVolumeHeader.identificator = {0:X16}",
cVolumeHeader.identificator);
// TODO: Support multifile volumes
if(cVolumeHeader.volumeNumber > 0)
throw new FeatureSupportedButNotImplementedImageException("Support for multiple volumes not supported");
hdrB = new byte[Marshal.SizeOf(cMainHeader)];
stream.Read(hdrB, 0, Marshal.SizeOf(cMainHeader));
cMainHeader = new PartimageMainHeader();
headerPtr = Marshal.AllocHGlobal(Marshal.SizeOf(cMainHeader));
Marshal.Copy(hdrB, 0, headerPtr, Marshal.SizeOf(cMainHeader));
cMainHeader = (PartimageMainHeader)Marshal.PtrToStructure(headerPtr, typeof(PartimageMainHeader));
Marshal.FreeHGlobal(headerPtr);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szFileSystem = {0}",
StringHandlers.CToString(cMainHeader.szFileSystem));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szPartDescription = {0}",
StringHandlers.CToString(cMainHeader.szPartDescription));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szOriginalDevice = {0}",
StringHandlers.CToString(cMainHeader.szOriginalDevice));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szFirstImageFilepath = {0}",
StringHandlers.CToString(cMainHeader.szFirstImageFilepath));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szUnameSysname = {0}",
StringHandlers.CToString(cMainHeader.szUnameSysname));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szUnameNodename = {0}",
StringHandlers.CToString(cMainHeader.szUnameNodename));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szUnameRelease = {0}",
StringHandlers.CToString(cMainHeader.szUnameRelease));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szUnameVersion = {0}",
StringHandlers.CToString(cMainHeader.szUnameVersion));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szUnameMachine = {0}",
StringHandlers.CToString(cMainHeader.szUnameMachine));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwCompression = {0} ({1})",
cMainHeader.dwCompression, (uint)cMainHeader.dwCompression);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwMainFlags = {0}", cMainHeader.dwMainFlags);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_sec = {0}",
cMainHeader.dateCreate.Second);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_min = {0}",
cMainHeader.dateCreate.Minute);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_hour = {0}",
cMainHeader.dateCreate.Hour);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_mday = {0}",
cMainHeader.dateCreate.DayOfMonth);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_mon = {0}",
cMainHeader.dateCreate.Month);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_year = {0}",
cMainHeader.dateCreate.Year);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_wday = {0}",
cMainHeader.dateCreate.DayOfWeek);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_yday = {0}",
cMainHeader.dateCreate.DayOfYear);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_isdst = {0}",
cMainHeader.dateCreate.IsDst);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_gmtoffsec = {0}",
cMainHeader.dateCreate.GmtOff);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate.tm_zone = {0}",
cMainHeader.dateCreate.Timezone);
DateTime dateCreate = new DateTime(1900 + (int)cMainHeader.dateCreate.Year,
(int)cMainHeader.dateCreate.Month + 1,
(int)cMainHeader.dateCreate.DayOfMonth, (int)cMainHeader.dateCreate.Hour,
(int)cMainHeader.dateCreate.Minute, (int)cMainHeader.dateCreate.Second);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dateCreate = {0}", dateCreate);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.qwPartSize = {0}", cMainHeader.qwPartSize);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szHostname = {0}",
StringHandlers.CToString(cMainHeader.szHostname));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.szVersion = {0}",
StringHandlers.CToString(cMainHeader.szVersion));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwMbrCount = {0}", cMainHeader.dwMbrCount);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwMbrSize = {0}", cMainHeader.dwMbrSize);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwEncryptAlgo = {0} ({1})",
cMainHeader.dwEncryptAlgo, (uint)cMainHeader.dwEncryptAlgo);
DicConsole.DebugWriteLine("Partimage plugin", "ArrayIsNullOrEmpty(CMainHeader.cHashTestKey) = {0}",
ArrayHelpers.ArrayIsNullOrEmpty(cMainHeader.cHashTestKey));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture000 = {0}",
cMainHeader.dwReservedFuture000);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture001 = {0}",
cMainHeader.dwReservedFuture001);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture002 = {0}",
cMainHeader.dwReservedFuture002);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture003 = {0}",
cMainHeader.dwReservedFuture003);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture004 = {0}",
cMainHeader.dwReservedFuture004);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture005 = {0}",
cMainHeader.dwReservedFuture005);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture006 = {0}",
cMainHeader.dwReservedFuture006);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture007 = {0}",
cMainHeader.dwReservedFuture007);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture008 = {0}",
cMainHeader.dwReservedFuture008);
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.dwReservedFuture009 = {0}",
cMainHeader.dwReservedFuture009);
DicConsole.DebugWriteLine("Partimage plugin", "ArrayIsNullOrEmpty(CMainHeader.cReserved) = {0}",
ArrayHelpers.ArrayIsNullOrEmpty(cMainHeader.cReserved));
DicConsole.DebugWriteLine("Partimage plugin", "CMainHeader.crc = 0x{0:X8}", cMainHeader.crc);
// partimage 0.6.1 does not support them either
if(cMainHeader.dwEncryptAlgo != PEncryption.None)
throw new ImageNotSupportedException("Encrypted images are currently not supported.");
string magic;
// Skip MBRs
if(cMainHeader.dwMbrCount > 0)
{
hdrB = new byte[MAGIC_BEGIN_MBRBACKUP.Length];
stream.Read(hdrB, 0, MAGIC_BEGIN_MBRBACKUP.Length);
magic = StringHandlers.CToString(hdrB);
if(!magic.Equals(MAGIC_BEGIN_MBRBACKUP)) throw new ImageNotSupportedException("Cannot find MBRs");
stream.Seek(cMainHeader.dwMbrSize * cMainHeader.dwMbrCount, SeekOrigin.Current);
}
// Skip extended headers and their CRC fields
stream.Seek((MAGIC_BEGIN_EXT000.Length + 4) * 10, SeekOrigin.Current);
hdrB = new byte[MAGIC_BEGIN_LOCALHEADER.Length];
stream.Read(hdrB, 0, MAGIC_BEGIN_LOCALHEADER.Length);
magic = StringHandlers.CToString(hdrB);
if(!magic.Equals(MAGIC_BEGIN_LOCALHEADER)) throw new ImageNotSupportedException("Cannot find local header");
hdrB = new byte[Marshal.SizeOf(typeof(CLocalHeader))];
stream.Read(hdrB, 0, Marshal.SizeOf(typeof(CLocalHeader)));
headerPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(CLocalHeader)));
Marshal.Copy(hdrB, 0, headerPtr, Marshal.SizeOf(typeof(CLocalHeader)));
CLocalHeader localHeader = (CLocalHeader)Marshal.PtrToStructure(headerPtr, typeof(CLocalHeader));
Marshal.FreeHGlobal(headerPtr);
DicConsole.DebugWriteLine("Partimage plugin", "CLocalHeader.qwBlockSize = {0}", localHeader.qwBlockSize);
DicConsole.DebugWriteLine("Partimage plugin", "CLocalHeader.qwUsedBlocks = {0}", localHeader.qwUsedBlocks);
DicConsole.DebugWriteLine("Partimage plugin", "CLocalHeader.qwBlocksCount = {0}",
localHeader.qwBlocksCount);
DicConsole.DebugWriteLine("Partimage plugin", "CLocalHeader.qwBitmapSize = {0}", localHeader.qwBitmapSize);
DicConsole.DebugWriteLine("Partimage plugin", "CLocalHeader.qwBadBlocksCount = {0}",
localHeader.qwBadBlocksCount);
DicConsole.DebugWriteLine("Partimage plugin", "CLocalHeader.szLabel = {0}",
StringHandlers.CToString(localHeader.szLabel));
DicConsole.DebugWriteLine("Partimage plugin", "ArrayIsNullOrEmpty(CLocalHeader.cReserved) = {0}",
ArrayHelpers.ArrayIsNullOrEmpty(localHeader.cReserved));
DicConsole.DebugWriteLine("Partimage plugin", "CLocalHeader.crc = 0x{0:X8}", localHeader.crc);
hdrB = new byte[MAGIC_BEGIN_BITMAP.Length];
stream.Read(hdrB, 0, MAGIC_BEGIN_BITMAP.Length);
magic = StringHandlers.CToString(hdrB);
if(!magic.Equals(MAGIC_BEGIN_BITMAP)) throw new ImageNotSupportedException("Cannot find bitmap");
bitmap = new byte[localHeader.qwBitmapSize];
stream.Read(bitmap, 0, (int)localHeader.qwBitmapSize);
hdrB = new byte[MAGIC_BEGIN_INFO.Length];
stream.Read(hdrB, 0, MAGIC_BEGIN_INFO.Length);
magic = StringHandlers.CToString(hdrB);
if(!magic.Equals(MAGIC_BEGIN_INFO)) throw new ImageNotSupportedException("Cannot find info block");
// Skip info block and its checksum
stream.Seek(16384 + 4, SeekOrigin.Current);
hdrB = new byte[MAGIC_BEGIN_DATABLOCKS.Length];
stream.Read(hdrB, 0, MAGIC_BEGIN_DATABLOCKS.Length);
magic = StringHandlers.CToString(hdrB);
if(!magic.Equals(MAGIC_BEGIN_DATABLOCKS)) throw new ImageNotSupportedException("Cannot find data blocks");
dataOff = stream.Position;
DicConsole.DebugWriteLine("Partimage plugin", "dataOff = {0}", dataOff);
// Seek to tail
stream.Seek(-(Marshal.SizeOf(typeof(CMainTail)) + MAGIC_BEGIN_TAIL.Length), SeekOrigin.End);
hdrB = new byte[MAGIC_BEGIN_TAIL.Length];
stream.Read(hdrB, 0, MAGIC_BEGIN_TAIL.Length);
magic = StringHandlers.CToString(hdrB);
if(!magic.Equals(MAGIC_BEGIN_TAIL))
throw new
ImageNotSupportedException("Cannot find tail. Multiple volumes are not supported or image is corrupt.");
DicConsole.DebugWriteLine("Partimage plugin", "Filling extents");
DateTime start = DateTime.Now;
extents = new ExtentsULong();
extentsOff = new Dictionary<ulong, ulong>();
bool current = (bitmap[0] & (1 << (0 % 8))) != 0;
ulong blockOff = 0;
ulong extentStart = 0;
for(ulong i = 1; i <= localHeader.qwBlocksCount; i++)
{
bool next = (bitmap[i / 8] & (1 << (int)(i % 8))) != 0;
// Flux
if(next != current)
if(next)
{
extentStart = i;
extentsOff.Add(i, ++blockOff);
}
else
{
extents.Add(extentStart, i);
extentsOff.TryGetValue(extentStart, out ulong _);
}
if(next && current) blockOff++;
current = next;
}
DateTime end = DateTime.Now;
DicConsole.DebugWriteLine("Partimage plugin", "Took {0} seconds to fill extents",
(end - start).TotalSeconds);
sectorCache = new Dictionary<ulong, byte[]>();
imageInfo.CreationTime = dateCreate;
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
imageInfo.MediaTitle = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
imageInfo.Sectors = localHeader.qwBlocksCount + 1;
imageInfo.SectorSize = (uint)localHeader.qwBlockSize;
imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
imageInfo.MediaType = MediaType.GENERIC_HDD;
imageInfo.Version = StringHandlers.CToString(cMainHeader.szVersion);
imageInfo.Comments = StringHandlers.CToString(cMainHeader.szPartDescription);
imageInfo.ImageSize =
(ulong)(stream.Length - (dataOff + Marshal.SizeOf(typeof(CMainTail)) + MAGIC_BEGIN_TAIL.Length));
imageStream = stream;
return true;
}
public byte[] ReadSector(ulong sectorAddress)
{
if(sectorAddress > imageInfo.Sectors - 1)
throw new ArgumentOutOfRangeException(nameof(sectorAddress),
$"Sector address {sectorAddress} not found");
if((bitmap[sectorAddress / 8] & (1 << (int)(sectorAddress % 8))) == 0)
return new byte[imageInfo.SectorSize];
if(sectorCache.TryGetValue(sectorAddress, out byte[] sector)) return sector;
ulong blockOff = BlockOffset(sectorAddress);
// Offset of requested sector is:
// Start of data +
long imageOff = dataOff +
// How many stored bytes to skip
(long)(blockOff * imageInfo.SectorSize) +
// How many bytes of CRC blocks to skip
(long)(blockOff / (CHECK_FREQUENCY / imageInfo.SectorSize)) *
Marshal.SizeOf(typeof(CCheck));
sector = new byte[imageInfo.SectorSize];
imageStream.Seek(imageOff, SeekOrigin.Begin);
imageStream.Read(sector, 0, (int)imageInfo.SectorSize);
if(sectorCache.Count > MAX_CACHED_SECTORS) sectorCache.Clear();
sectorCache.Add(sectorAddress, sector);
return sector;
}
public byte[] ReadSectors(ulong sectorAddress, uint length)
{
if(sectorAddress > imageInfo.Sectors - 1)
throw new ArgumentOutOfRangeException(nameof(sectorAddress),
$"Sector address {sectorAddress} not found");
if(sectorAddress + length > imageInfo.Sectors)
throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than available");
MemoryStream ms = new MemoryStream();
bool allEmpty = true;
for(uint i = 0; i < length; i++)
if((bitmap[sectorAddress / 8] & (1 << (int)(sectorAddress % 8))) != 0)
{
allEmpty = false;
break;
}
if(allEmpty) return new byte[imageInfo.SectorSize * length];
for(uint i = 0; i < length; i++)
{
byte[] sector = ReadSector(sectorAddress + i);
ms.Write(sector, 0, sector.Length);
}
return ms.ToArray();
}
}
}

206
DiscImageChef.DiscImages/Partimage/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 partimage 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 Partimage
{
/// <summary>
/// Partimage disk image header, little-endian
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PartimageHeader
{
/// <summary>
/// Magic, <see cref="Partimage.partimageMagic" />
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] magic;
/// <summary>
/// Source filesystem
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
public byte[] version;
/// <summary>
/// Volume number
/// </summary>
public uint volumeNumber;
/// <summary>
/// Image identifier
/// </summary>
public ulong identificator;
/// <summary>
/// Empty space
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 404)]
public byte[] reserved;
}
struct PortableTm
{
public uint Second;
public uint Minute;
public uint Hour;
public uint DayOfMonth;
public uint Month;
public uint Year;
public uint DayOfWeek;
public uint DayOfYear;
public uint IsDst;
public uint GmtOff;
public uint Timezone;
}
/// <summary>
/// Partimage CMainHeader
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PartimageMainHeader
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 512)]
public byte[] szFileSystem; // ext2fs, ntfs, reiserfs, ...
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DESCRIPTION)]
public byte[] szPartDescription; // user description of the partition
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DEVICENAMELEN)]
public byte[] szOriginalDevice; // original partition name
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4095)]
public byte[] szFirstImageFilepath; //MAXPATHLEN]; // for splitted image files
// system and hardware infos
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
public byte[] szUnameSysname;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
public byte[] szUnameNodename;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
public byte[] szUnameRelease;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
public byte[] szUnameVersion;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
public byte[] szUnameMachine;
public PCompression dwCompression; // COMPRESS_XXXXXX
public uint dwMainFlags;
public PortableTm dateCreate; // date of image creation
public ulong qwPartSize; // size of the partition in bytes
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HOSTNAMESIZE)]
public byte[] szHostname;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
public byte[] szVersion; // version of the image file
// MBR backup
public uint dwMbrCount; // how many MBR are saved in the image file
public uint dwMbrSize; // size of a MBR record (allow to change the size in the next versions)
// future encryption support
public PEncryption dwEncryptAlgo; // algo used to encrypt data
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public byte[] cHashTestKey; // used to test the password without giving it
// reserved for future use (save DiskLabel, Extended partitions, ...)
public uint dwReservedFuture000;
public uint dwReservedFuture001;
public uint dwReservedFuture002;
public uint dwReservedFuture003;
public uint dwReservedFuture004;
public uint dwReservedFuture005;
public uint dwReservedFuture006;
public uint dwReservedFuture007;
public uint dwReservedFuture008;
public uint dwReservedFuture009;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6524)]
public byte[] cReserved; // Adjust to fit with total header size
public uint crc;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CMbr // must be 1024
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MBR_SIZE_WHOLE)]
public byte[] cData;
public uint dwDataCRC;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DEVICENAMELEN)]
public byte[] szDevice; // ex: "hda"
// disk identificators
ulong qwBlocksCount;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DESC_MODEL)]
public byte[] szDescModel;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 884)]
public byte[] cReserved; // for future use
//public byte[] szDescGeometry[MAX_DESC_GEOMETRY];
//public byte[] szDescIdentify[MAX_DESC_IDENTIFY];
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CCheck
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
byte[] cMagic; // must be 'C','H','K'
public uint dwCRC; // CRC of the CHECK_FREQUENCY blocks
public ulong qwPos; // number of the last block written
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CLocalHeader // size must be 16384 (adjust the reserved data)
{
public ulong qwBlockSize;
public ulong qwUsedBlocks;
public ulong qwBlocksCount;
public ulong qwBitmapSize; // bytes in the bitmap
public ulong qwBadBlocksCount;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
public byte[] szLabel;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16280)]
public byte[] cReserved; // Adjust to fit with total header size
public uint crc;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct CMainTail // size must be 16384 (adjust the reserved data)
{
public ulong qwCRC;
public uint dwVolumeNumber;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16372)]
public byte[] cReserved; // Adjust to fit with total header size
}
}
}

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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 partimage 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 Partimage
{
public byte[] ReadSectorTag(ulong sectorAddress, 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[] ReadDiskTag(MediaTagType 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[] 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");
}
// TODO: All blocks contain a CRC32 that's incompatible with current implementation. Need to check for compatibility.
public bool? VerifyMediaImage()
{
return null;
}
}
}