mirror of
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651 lines
21 KiB
C#
651 lines
21 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 CloneCD disc 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.Decoders.CD;
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using Aaru.Helpers;
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using Aaru.Logging;
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using Track = Aaru.CommonTypes.Structs.Track;
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using TrackType = Aaru.CommonTypes.Enums.TrackType;
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namespace Aaru.Images;
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public sealed partial class CloneCd
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{
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#region IWritableOpticalImage 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(!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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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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_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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_dataStream = new FileStream(_writingBaseName + ".img",
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FileMode.OpenOrCreate,
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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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_imageInfo.MediaType = mediaType;
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_trackFlags = new Dictionary<byte, byte>();
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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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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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switch(tag)
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{
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case MediaTagType.CD_MCN:
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_catalog = Encoding.ASCII.GetString(data);
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return true;
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case MediaTagType.CD_FullTOC:
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_fullToc = data;
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return true;
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default:
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ErrorMessage = string.Format(Localization.Unsupported_media_tag_0, tag);
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return false;
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}
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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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// TODO: Implement ECC generation
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ErrorMessage = Localization.This_format_requires_sectors_to_be_raw_Generating_ECC_is_not_yet_implemented;
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return false;
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}
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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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// TODO: Implement ECC generation
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ErrorMessage = Localization.This_format_requires_sectors_to_be_raw_Generating_ECC_is_not_yet_implemented;
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return false;
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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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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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Track track = Tracks.FirstOrDefault(trk => sectorAddress >= trk.StartSector && sectorAddress <= trk.EndSector);
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if(track is null)
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{
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ErrorMessage = string.Format(Localization.Cant_find_track_containing_0, sectorAddress);
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return false;
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}
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if(data.Length != track.RawBytesPerSector)
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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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_dataStream.Seek((long)(track.FileOffset +
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(sectorAddress - track.StartSector) * (ulong)track.RawBytesPerSector),
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SeekOrigin.Begin);
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_dataStream.Write(data, 0, data.Length);
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return true;
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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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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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Track track = Tracks.FirstOrDefault(trk => sectorAddress >= trk.StartSector && sectorAddress <= trk.EndSector);
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if(track is null)
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{
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ErrorMessage = string.Format(Localization.Cant_find_track_containing_0, sectorAddress);
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return false;
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}
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if(sectorAddress + length > track.EndSector + 1)
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{
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ErrorMessage = Localization.Cant_cross_tracks;
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return false;
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}
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if(data.Length % track.RawBytesPerSector != 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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_dataStream.Seek((long)(track.FileOffset +
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(sectorAddress - track.StartSector) * (ulong)track.RawBytesPerSector),
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SeekOrigin.Begin);
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_dataStream.Write(data, 0, data.Length);
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return true;
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}
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/// <inheritdoc />
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public bool SetTracks(List<Track> tracks)
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{
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ulong currentDataOffset = 0;
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ulong currentSubchannelOffset = 0;
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Tracks = [];
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foreach(Track track in tracks.OrderBy(static t => t.Sequence))
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{
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Track newTrack = track;
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if(newTrack.Session > 1)
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{
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Track firstSessionTrack = tracks.FirstOrDefault(t => t.Session == newTrack.Session);
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if(firstSessionTrack?.Sequence == newTrack.Sequence && newTrack.Pregap >= 150)
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{
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newTrack.Pregap -= 150;
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newTrack.StartSector += 150;
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}
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}
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uint subchannelSize;
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switch(newTrack.SubchannelType)
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{
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case TrackSubchannelType.None:
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subchannelSize = 0;
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break;
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case TrackSubchannelType.Raw:
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case TrackSubchannelType.RawInterleaved:
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subchannelSize = 96;
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break;
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default:
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ErrorMessage = string.Format(Localization.Unsupported_subchannel_type_0, newTrack.SubchannelType);
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return false;
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}
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newTrack.FileOffset = currentDataOffset;
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newTrack.SubchannelOffset = currentSubchannelOffset;
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currentDataOffset += (ulong)newTrack.RawBytesPerSector * (newTrack.EndSector - newTrack.StartSector + 1);
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currentSubchannelOffset += subchannelSize * (newTrack.EndSector - newTrack.StartSector + 1);
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Tracks.Add(newTrack);
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}
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return true;
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}
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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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_dataStream.Flush();
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_dataStream.Close();
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_subStream?.Flush();
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_subStream?.Close();
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FullTOC.CDFullTOC? nullableToc = null;
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// Easy, just decode the real toc
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if(_fullToc != null)
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{
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var tmp = new byte[_fullToc.Length + 2];
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Array.Copy(BigEndianBitConverter.GetBytes((ushort)_fullToc.Length), 0, tmp, 0, 2);
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Array.Copy(_fullToc, 0, tmp, 2, _fullToc.Length);
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nullableToc = FullTOC.Decode(tmp);
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}
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// Not easy, create a toc from scratch
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FullTOC.CDFullTOC toc = nullableToc ?? FullTOC.Create(Tracks, _trackFlags, true);
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_descriptorStream.WriteLine("[CloneCD]");
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_descriptorStream.WriteLine("Version=2");
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_descriptorStream.WriteLine("[Disc]");
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_descriptorStream.WriteLine("TocEntries={0}", toc.TrackDescriptors.Length);
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_descriptorStream.WriteLine("Sessions={0}", toc.LastCompleteSession);
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_descriptorStream.WriteLine("DataTracksScrambled=0");
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_descriptorStream.WriteLine("CDTextLength=0");
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if(!string.IsNullOrEmpty(_catalog)) _descriptorStream.WriteLine("CATALOG={0}", _catalog);
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for(var i = 1; i <= toc.LastCompleteSession; i++)
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{
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_descriptorStream.WriteLine("[Session {0}]", i);
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Track firstSessionTrack = Tracks.FirstOrDefault(t => t.Session == i);
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switch(firstSessionTrack?.Type)
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{
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case TrackType.Audio:
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// CloneCD always writes this value for first track in disc, however the Rainbow Books
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// say the first track pregap is no different from other session pregaps, same mode as
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// the track they belong to.
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_descriptorStream.WriteLine("PreGapMode=0");
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break;
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case TrackType.Data:
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case TrackType.CdMode1:
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_descriptorStream.WriteLine("PreGapMode=1");
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break;
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case TrackType.CdMode2Formless:
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case TrackType.CdMode2Form1:
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case TrackType.CdMode2Form2:
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_descriptorStream.WriteLine("PreGapMode=2");
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break;
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default:
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ErrorMessage = string.Format(Localization.Unexpected_first_session_track_type_0,
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firstSessionTrack?.Type.ToString() ?? "null");
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return false;
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}
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_descriptorStream.WriteLine("PreGapSubC=0");
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}
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for(var i = 0; i < toc.TrackDescriptors.Length; i++)
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{
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long alba = MsfToLba((toc.TrackDescriptors[i].Min, toc.TrackDescriptors[i].Sec,
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toc.TrackDescriptors[i].Frame));
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long plba = MsfToLba((toc.TrackDescriptors[i].PMIN, toc.TrackDescriptors[i].PSEC,
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toc.TrackDescriptors[i].PFRAME));
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if(alba > 405000) alba = (alba - 405000 + 300) * -1;
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if(plba > 405000) plba = (plba - 405000 + 300) * -1;
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_descriptorStream.WriteLine("[Entry {0}]", i);
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_descriptorStream.WriteLine("Session={0}", toc.TrackDescriptors[i].SessionNumber);
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_descriptorStream.WriteLine("Point=0x{0:x2}", toc.TrackDescriptors[i].POINT);
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_descriptorStream.WriteLine("ADR=0x{0:x2}", toc.TrackDescriptors[i].ADR);
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_descriptorStream.WriteLine("Control=0x{0:x2}", toc.TrackDescriptors[i].CONTROL);
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_descriptorStream.WriteLine("TrackNo={0}", toc.TrackDescriptors[i].TNO);
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_descriptorStream.WriteLine("AMin={0}", toc.TrackDescriptors[i].Min);
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_descriptorStream.WriteLine("ASec={0}", toc.TrackDescriptors[i].Sec);
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_descriptorStream.WriteLine("AFrame={0}", toc.TrackDescriptors[i].Frame);
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_descriptorStream.WriteLine("ALBA={0}", alba);
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_descriptorStream.WriteLine("Zero={0}",
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((toc.TrackDescriptors[i].HOUR & 0x0F) << 4) +
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(toc.TrackDescriptors[i].PHOUR & 0x0F));
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_descriptorStream.WriteLine("PMin={0}", toc.TrackDescriptors[i].PMIN);
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_descriptorStream.WriteLine("PSec={0}", toc.TrackDescriptors[i].PSEC);
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_descriptorStream.WriteLine("PFrame={0}", toc.TrackDescriptors[i].PFRAME);
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_descriptorStream.WriteLine("PLBA={0}", plba);
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}
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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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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 WriteSectorTag(byte[] data, ulong sectorAddress, bool negative, SectorTagType tag)
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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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Track track = Tracks.FirstOrDefault(trk => sectorAddress >= trk.StartSector && sectorAddress <= trk.EndSector);
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if(track is null)
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{
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ErrorMessage = string.Format(Localization.Cant_find_track_containing_0, sectorAddress);
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return false;
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}
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switch(tag)
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{
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case SectorTagType.CdTrackFlags:
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{
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if(data.Length != 1)
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{
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ErrorMessage = Localization.Incorrect_data_size_for_track_flags;
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return false;
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}
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_trackFlags[(byte)sectorAddress] = data[0];
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return true;
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}
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case SectorTagType.CdSectorSubchannel:
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{
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if(track.SubchannelType == 0)
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{
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ErrorMessage =
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string.Format(Localization.Trying_to_write_subchannel_to_track_0_that_does_not_have_subchannel,
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track.Sequence);
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return false;
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}
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if(data.Length != 96)
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{
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ErrorMessage = Localization.Incorrect_data_size_for_subchannel;
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return false;
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}
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if(_subStream == null)
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{
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try
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{
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_subStream = new FileStream(_writingBaseName + ".sub",
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FileMode.OpenOrCreate,
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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_subchannel_file_exception_0,
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ex.Message);
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AaruLogging.Exception(ex,
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Localization.Could_not_create_subchannel_file_exception_0,
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ex.Message);
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return false;
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}
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}
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_subStream.Seek((long)(track.SubchannelOffset + (sectorAddress - track.StartSector) * 96),
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SeekOrigin.Begin);
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_subStream.Write(Subchannel.Deinterleave(data), 0, data.Length);
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return true;
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}
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default:
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ErrorMessage = string.Format(Localization.Unsupported_tag_type_0, tag);
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return false;
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}
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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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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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{
|
|
ErrorMessage = Localization.Unsupported_feature;
|
|
|
|
return false;
|
|
}
|
|
|
|
Track track = Tracks.FirstOrDefault(trk => sectorAddress >= trk.StartSector && sectorAddress <= trk.EndSector);
|
|
|
|
if(track is null)
|
|
{
|
|
ErrorMessage = string.Format(Localization.Cant_find_track_containing_0, sectorAddress);
|
|
|
|
return false;
|
|
}
|
|
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdTrackFlags:
|
|
case SectorTagType.CdTrackIsrc:
|
|
return WriteSectorTag(data, sectorAddress, false, tag);
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
if(track.SubchannelType == 0)
|
|
{
|
|
ErrorMessage =
|
|
string.Format(Localization.Trying_to_write_subchannel_to_track_0_that_does_not_have_subchannel,
|
|
track.Sequence);
|
|
|
|
return false;
|
|
}
|
|
|
|
if(data.Length % 96 != 0)
|
|
{
|
|
ErrorMessage = Localization.Incorrect_data_size_for_subchannel;
|
|
|
|
return false;
|
|
}
|
|
|
|
if(_subStream == null)
|
|
{
|
|
try
|
|
{
|
|
_subStream = new FileStream(_writingBaseName + ".sub",
|
|
FileMode.OpenOrCreate,
|
|
FileAccess.ReadWrite,
|
|
FileShare.None);
|
|
}
|
|
catch(IOException ex)
|
|
{
|
|
ErrorMessage = string.Format(Localization.Could_not_create_subchannel_file_exception_0,
|
|
ex.Message);
|
|
|
|
AaruLogging.Exception(ex,
|
|
Localization.Could_not_create_subchannel_file_exception_0,
|
|
ex.Message);
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
_subStream.Seek((long)(track.SubchannelOffset + (sectorAddress - track.StartSector) * 96),
|
|
SeekOrigin.Begin);
|
|
|
|
_subStream.Write(Subchannel.Deinterleave(data), 0, data.Length);
|
|
|
|
return true;
|
|
}
|
|
default:
|
|
ErrorMessage = string.Format(Localization.Unsupported_tag_type_0, tag);
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public bool SetDumpHardware(List<DumpHardware> dumpHardware) => false;
|
|
|
|
/// <inheritdoc />
|
|
public bool SetMetadata(Metadata metadata) => false;
|
|
|
|
#endregion
|
|
} |