mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
67 lines
2.4 KiB
C#
67 lines
2.4 KiB
C#
// /***************************************************************************
|
|
// Aaru Data Preservation Suite
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : Identify.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : Disk image plugins.
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// Identifies partclone 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 © 2011-2025 Natalia Portillo
|
|
// ****************************************************************************/
|
|
|
|
using System.IO;
|
|
using System.Linq;
|
|
using Aaru.CommonTypes.Interfaces;
|
|
using Aaru.Helpers;
|
|
|
|
namespace Aaru.Images;
|
|
|
|
public sealed partial class PartClone
|
|
{
|
|
#region IMediaImage Members
|
|
|
|
/// <inheritdoc />
|
|
public bool Identify(IFilter imageFilter)
|
|
{
|
|
Stream stream = imageFilter.GetDataForkStream();
|
|
stream.Seek(0, SeekOrigin.Begin);
|
|
|
|
if(stream.Length < 512) return false;
|
|
|
|
var pHdrB = new byte[Marshal.SizeOf<Header>()];
|
|
stream.EnsureRead(pHdrB, 0, Marshal.SizeOf<Header>());
|
|
_pHdr = Marshal.ByteArrayToStructureLittleEndian<Header>(pHdrB);
|
|
|
|
if(stream.Position + (long)_pHdr.totalBlocks > stream.Length) return false;
|
|
|
|
stream.Seek((long)_pHdr.totalBlocks, SeekOrigin.Current);
|
|
|
|
var bitmagic = new byte[8];
|
|
stream.EnsureRead(bitmagic, 0, 8);
|
|
|
|
return _partCloneMagic.SequenceEqual(_pHdr.magic) && _biTmAgIc.SequenceEqual(bitmagic);
|
|
}
|
|
|
|
#endregion
|
|
} |