mirror of
https://github.com/aaru-dps/Aaru.git
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416 lines
12 KiB
C#
416 lines
12 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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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 © 2011-2025 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 Aaru.CommonTypes;
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using Aaru.CommonTypes.AaruMetadata;
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using Aaru.CommonTypes.Enums;
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using Aaru.CommonTypes.Structs;
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using Aaru.Logging;
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namespace Aaru.Images;
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public sealed partial class VMware
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{
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#region IWritableImage Members
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/// <inheritdoc />
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public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
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uint negativeSectors, uint overflowSectors, 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 _adapterType))
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{
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switch(_adapterType.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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_adapterType = _adapterType.ToLowerInvariant();
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break;
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case "legacyesx":
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_adapterType = "legacyESX";
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break;
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default:
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ErrorMessage = string.Format(Localization.Invalid_adapter_type_0, _adapterType);
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return false;
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}
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}
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else
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_adapterType = "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 = Localization.Invalid_value_for_hwversion_option;
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return false;
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}
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}
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else
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_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 = Localization.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 = Localization.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 = Localization.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 = Localization.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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_adapterType = "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 = Localization.Unsupported_sector_size;
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return false;
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}
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if(negativeSectors != 0)
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{
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ErrorMessage = Localization.Negative_sectors_are_not_supported;
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return false;
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}
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if(overflowSectors != 0)
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{
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ErrorMessage = Localization.Overflow_sectors_are_not_supported;
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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 = string.Format(Localization.Unsupported_media_format_0, mediaType);
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return false;
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}
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_imageInfo = new ImageInfo
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{
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MediaType = mediaType,
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SectorSize = sectorSize,
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Sectors = sectors
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};
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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",
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FileMode.CreateNew,
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FileAccess.ReadWrite,
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FileShare.None);
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}
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catch(IOException ex)
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{
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ErrorMessage = string.Format(Localization.Could_not_create_new_image_file_exception_0, ex.Message);
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AaruLogging.Exception(ex, Localization.Could_not_create_new_image_file_exception_0, ex.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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/// <inheritdoc />
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public bool WriteMediaTag(byte[] data, MediaTagType tag)
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{
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ErrorMessage = Localization.Writing_media_tags_is_not_supported;
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return false;
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}
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/// <inheritdoc />
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public bool WriteSector(byte[] data, ulong sectorAddress, bool negative, SectorStatus sectorStatus)
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{
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if(!IsWriting)
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{
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ErrorMessage = Localization.Tried_to_write_on_a_non_writable_image;
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return false;
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}
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if(negative)
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{
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ErrorMessage = Localization.Unsupported_feature;
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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 = Localization.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 = Localization.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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/// <inheritdoc />
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public bool WriteSectors(byte[] data, ulong sectorAddress, bool negative, uint length, SectorStatus[] sectorStatus)
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{
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if(!IsWriting)
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{
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ErrorMessage = Localization.Tried_to_write_on_a_non_writable_image;
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return false;
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}
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if(negative)
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{
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ErrorMessage = Localization.Unsupported_feature;
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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 = Localization.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 = Localization.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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/// <inheritdoc />
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public bool WriteSectorLong(byte[] data, ulong sectorAddress, bool negative, SectorStatus sectorStatus)
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{
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ErrorMessage = Localization.Writing_sectors_with_tags_is_not_supported;
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return false;
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}
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/// <inheritdoc />
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public bool WriteSectorsLong(byte[] data, ulong sectorAddress, bool negative, uint length,
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SectorStatus[] sectorStatus)
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{
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ErrorMessage = Localization.Writing_sectors_with_tags_is_not_supported;
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return false;
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}
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// TODO: Implement sparse and split
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/// <inheritdoc />
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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 = Localization.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 is { Heads: 0, 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 = \"{_adapterType}\"");
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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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/// <inheritdoc />
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public bool SetImageInfo(ImageInfo imageInfo) => true;
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/// <inheritdoc />
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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 = Localization.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 = Localization.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 = Localization.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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/// <inheritdoc />
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public bool WriteSectorTag(byte[] data, ulong sectorAddress, bool negative, SectorTagType tag)
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{
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ErrorMessage = Localization.Unsupported_feature;
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return false;
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}
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/// <inheritdoc />
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public bool WriteSectorsTag(byte[] data, ulong sectorAddress, bool negative, uint length, SectorTagType tag)
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{
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ErrorMessage = Localization.Unsupported_feature;
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return false;
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}
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/// <inheritdoc />
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public bool SetDumpHardware(List<DumpHardware> dumpHardware) => false;
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/// <inheritdoc />
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public bool SetMetadata(Metadata metadata) => false;
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#endregion
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} |