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https://github.com/aaru-dps/Aaru.git
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Refactor image classes and split them to smaller files.
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343
DiscImageChef.DiscImages/VMware/Write.cs
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343
DiscImageChef.DiscImages/VMware/Write.cs
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Write.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disk image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Writes VMware disk images.
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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 © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using DiscImageChef.CommonTypes;
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using DiscImageChef.CommonTypes.Enums;
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using DiscImageChef.CommonTypes.Structs;
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using Schemas;
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namespace DiscImageChef.DiscImages
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{
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public partial class VMware
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{
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public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
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uint sectorSize)
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{
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if(options != null)
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{
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if(options.TryGetValue("adapter", out adapter_type))
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switch(adapter_type.ToLowerInvariant())
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{
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case "ide":
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case "lsilogic":
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case "buslogic":
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adapter_type = adapter_type.ToLowerInvariant();
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break;
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case "legacyesx":
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adapter_type = "legacyESX";
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break;
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default:
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ErrorMessage = $"Invalid adapter type {adapter_type}";
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return false;
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}
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else adapter_type = "ide";
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if(options.TryGetValue("hwversion", out string tmpValue))
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{
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if(!uint.TryParse(tmpValue, out hwversion))
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{
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ErrorMessage = "Invalid value for hwversion option";
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return false;
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}
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}
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else hwversion = 4;
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if(options.TryGetValue("split", out tmpValue))
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{
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if(!bool.TryParse(tmpValue, out bool tmpBool))
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{
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ErrorMessage = "Invalid value for split option";
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return false;
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}
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if(tmpBool)
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{
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ErrorMessage = "Splitted images not yet implemented";
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return false;
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}
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}
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if(options.TryGetValue("sparse", out tmpValue))
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{
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if(!bool.TryParse(tmpValue, out bool tmpBool))
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{
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ErrorMessage = "Invalid value for sparse option";
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return false;
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}
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if(tmpBool)
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{
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ErrorMessage = "Sparse images not yet implemented";
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return false;
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}
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}
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}
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else
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{
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adapter_type = "ide";
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hwversion = 4;
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}
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if(sectorSize != 512)
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{
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ErrorMessage = "Unsupported sector size";
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return false;
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}
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if(!SupportedMediaTypes.Contains(mediaType))
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{
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ErrorMessage = $"Unsupport media format {mediaType}";
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return false;
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}
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imageInfo = new ImageInfo {MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors};
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try
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{
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writingBaseName = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path));
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descriptorStream = new StreamWriter(path, false, Encoding.ASCII);
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// TODO: Support split
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writingStream = new FileStream(writingBaseName + "-flat.vmdk", FileMode.OpenOrCreate,
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FileAccess.ReadWrite, FileShare.None);
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}
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catch(IOException e)
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{
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ErrorMessage = $"Could not create new image file, exception {e.Message}";
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return false;
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}
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IsWriting = true;
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ErrorMessage = null;
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return true;
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}
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public bool WriteMediaTag(byte[] data, MediaTagType tag)
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{
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ErrorMessage = "Writing media tags is not supported.";
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return false;
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}
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public bool WriteSector(byte[] data, ulong sectorAddress)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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if(data.Length != 512)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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if(sectorAddress >= imageInfo.Sectors)
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{
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ErrorMessage = "Tried to write past image size";
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return false;
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}
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writingStream.Seek((long)(sectorAddress * 512), SeekOrigin.Begin);
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writingStream.Write(data, 0, data.Length);
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ErrorMessage = "";
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return true;
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}
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// TODO: Implement sparse and split
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public bool WriteSectors(byte[] data, ulong sectorAddress, uint length)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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if(data.Length % 512 != 0)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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if(sectorAddress + length > imageInfo.Sectors)
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{
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ErrorMessage = "Tried to write past image size";
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return false;
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}
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writingStream.Seek((long)(sectorAddress * 512), SeekOrigin.Begin);
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writingStream.Write(data, 0, data.Length);
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ErrorMessage = "";
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return true;
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}
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public bool WriteSectorLong(byte[] data, ulong sectorAddress)
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{
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ErrorMessage = "Writing sectors with tags is not supported.";
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return false;
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}
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public bool WriteSectorsLong(byte[] data, ulong sectorAddress, uint length)
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{
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ErrorMessage = "Writing sectors with tags is not supported.";
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return false;
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}
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public bool SetTracks(List<Track> tracks)
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{
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ErrorMessage = "Unsupported feature";
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return false;
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}
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// TODO: Implement sparse and split
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public bool Close()
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{
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if(!IsWriting)
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{
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ErrorMessage = "Image is not opened for writing";
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return false;
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}
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writingStream.Flush();
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writingStream.Close();
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if(imageInfo.Cylinders == 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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while(imageInfo.Cylinders == 0)
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{
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imageInfo.Heads--;
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if(imageInfo.Heads == 0)
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{
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imageInfo.SectorsPerTrack--;
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imageInfo.Heads = 16;
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}
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imageInfo.Cylinders = (uint)(imageInfo.Sectors / imageInfo.Heads / imageInfo.SectorsPerTrack);
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if(imageInfo.Cylinders == 0 && imageInfo.Heads == 0 && imageInfo.SectorsPerTrack == 0) break;
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}
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}
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descriptorStream.WriteLine("# Disk DescriptorFile");
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descriptorStream.WriteLine("version=1");
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descriptorStream.WriteLine($"CID={new Random().Next(int.MinValue, int.MaxValue):x8}");
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descriptorStream.WriteLine("parentCID=ffffffff");
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descriptorStream.WriteLine("createType=\"monolithicFlat\"");
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descriptorStream.WriteLine();
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descriptorStream.WriteLine("# Extent description");
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descriptorStream.WriteLine($"RW {imageInfo.Sectors} FLAT \"{writingBaseName + "-flat.vmdk"}\" 0");
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descriptorStream.WriteLine();
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descriptorStream.WriteLine("# The Disk Data Base");
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descriptorStream.WriteLine("#DDB");
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descriptorStream.WriteLine();
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descriptorStream.WriteLine($"ddb.virtualHWVersion = \"{hwversion}\"");
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descriptorStream.WriteLine($"ddb.geometry.cylinders = \"{imageInfo.Cylinders}\"");
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descriptorStream.WriteLine($"ddb.geometry.heads = \"{imageInfo.Heads}\"");
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descriptorStream.WriteLine($"ddb.geometry.sectors = \"{imageInfo.SectorsPerTrack}\"");
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descriptorStream.WriteLine($"ddb.adapterType = \"{adapter_type}\"");
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descriptorStream.Flush();
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descriptorStream.Close();
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IsWriting = false;
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ErrorMessage = "";
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return true;
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}
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public bool SetMetadata(ImageInfo metadata)
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{
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return true;
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}
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public bool SetGeometry(uint cylinders, uint heads, uint sectorsPerTrack)
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{
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if(cylinders > ushort.MaxValue)
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{
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ErrorMessage = "Too many cylinders.";
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return false;
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}
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if(heads > byte.MaxValue)
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{
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ErrorMessage = "Too many heads.";
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return false;
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}
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if(sectorsPerTrack > byte.MaxValue)
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{
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ErrorMessage = "Too many sectors per track.";
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return false;
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}
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imageInfo.SectorsPerTrack = sectorsPerTrack;
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imageInfo.Heads = heads;
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imageInfo.Cylinders = cylinders;
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return true;
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}
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public bool WriteSectorTag(byte[] data, ulong sectorAddress, SectorTagType tag)
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{
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ErrorMessage = "Unsupported feature";
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return false;
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}
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public bool WriteSectorsTag(byte[] data, ulong sectorAddress, uint length, SectorTagType tag)
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{
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ErrorMessage = "Unsupported feature";
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return false;
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}
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public bool SetDumpHardware(List<DumpHardwareType> dumpHardware)
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{
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// Not supported
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return false;
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}
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public bool SetCicmMetadata(CICMMetadataType metadata)
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{
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// Not supported
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return false;
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}
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}
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}
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