Files
Aaru/Aaru.Decoders/SCSI/MMC/AACS.cs

470 lines
15 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : AACS.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
// Decodes AACS structures.
//
// --[ 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 © 2011-2023 Natalia Portillo
// ****************************************************************************/
using System;
using System.Diagnostics.CodeAnalysis;
using System.Text;
using Aaru.Helpers;
namespace Aaru.Decoders.SCSI.MMC;
// Information from the following standards:
// ANSI X3.304-1997
// T10/1048-D revision 9.0
// T10/1048-D revision 10a
// T10/1228-D revision 7.0c
// T10/1228-D revision 11a
// T10/1363-D revision 10g
// T10/1545-D revision 1d
// T10/1545-D revision 5
// T10/1545-D revision 5a
// T10/1675-D revision 2c
// T10/1675-D revision 4
// T10/1836-D revision 2g
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
[SuppressMessage("ReSharper", "NotAccessedField.Global")]
[SuppressMessage("ReSharper", "UnusedMember.Global")]
[SuppressMessage("ReSharper", "UnusedType.Global")]
public static class AACS
{
public static AACSVolumeIdentifier? DecodeAACSVolumeIdentifier(byte[] AACSVIResponse)
{
if(AACSVIResponse == null)
return null;
var decoded = new AACSVolumeIdentifier
{
VolumeIdentifier = new byte[AACSVIResponse.Length - 4],
DataLength = BigEndianBitConverter.ToUInt16(AACSVIResponse, 0),
Reserved1 = AACSVIResponse[2],
Reserved2 = AACSVIResponse[3]
};
Array.Copy(AACSVIResponse, 4, decoded.VolumeIdentifier, 0, AACSVIResponse.Length - 4);
return decoded;
}
public static string PrettifyAACSVolumeIdentifier(AACSVolumeIdentifier? AACSVIResponse)
{
if(AACSVIResponse == null)
return null;
AACSVolumeIdentifier response = AACSVIResponse.Value;
var sb = new StringBuilder();
#if DEBUG
if(response.Reserved1 != 0)
sb.AppendFormat(Localization.Reserved1_equals_0_X8, response.Reserved1).AppendLine();
if(response.Reserved2 != 0)
sb.AppendFormat(Localization.Reserved2_equals_0_X8, response.Reserved2).AppendLine();
#endif
sb.AppendFormat(Localization.AACS_Volume_Identifier_in_hex_follows);
sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.VolumeIdentifier, 80));
return sb.ToString();
}
public static string PrettifyAACSVolumeIdentifier(byte[] AACSVIResponse)
{
AACSVolumeIdentifier? decoded = DecodeAACSVolumeIdentifier(AACSVIResponse);
return PrettifyAACSVolumeIdentifier(decoded);
}
public static AACSMediaSerialNumber? DecodeAACSMediaSerialNumber(byte[] AACSMSNResponse)
{
if(AACSMSNResponse == null)
return null;
var decoded = new AACSMediaSerialNumber
{
MediaSerialNumber = new byte[AACSMSNResponse.Length - 4],
DataLength = BigEndianBitConverter.ToUInt16(AACSMSNResponse, 0),
Reserved1 = AACSMSNResponse[2],
Reserved2 = AACSMSNResponse[3]
};
Array.Copy(AACSMSNResponse, 4, decoded.MediaSerialNumber, 0, AACSMSNResponse.Length - 4);
return decoded;
}
public static string PrettifyAACSMediaSerialNumber(AACSMediaSerialNumber? AACSMSNResponse)
{
if(AACSMSNResponse == null)
return null;
AACSMediaSerialNumber response = AACSMSNResponse.Value;
var sb = new StringBuilder();
#if DEBUG
if(response.Reserved1 != 0)
sb.AppendFormat(Localization.Reserved1_equals_0_X8, response.Reserved1).AppendLine();
if(response.Reserved2 != 0)
sb.AppendFormat(Localization.Reserved2_equals_0_X8, response.Reserved2).AppendLine();
#endif
sb.AppendFormat(Localization.AACS_Media_Serial_Number_in_hex_follows);
sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.MediaSerialNumber, 80));
return sb.ToString();
}
public static string PrettifyAACSMediaSerialNumber(byte[] AACSMSNResponse)
{
AACSMediaSerialNumber? decoded = DecodeAACSMediaSerialNumber(AACSMSNResponse);
return PrettifyAACSMediaSerialNumber(decoded);
}
public static AACSMediaIdentifier? DecodeAACSMediaIdentifier(byte[] AACSMIResponse)
{
if(AACSMIResponse == null)
return null;
var decoded = new AACSMediaIdentifier
{
MediaIdentifier = new byte[AACSMIResponse.Length - 4],
DataLength = BigEndianBitConverter.ToUInt16(AACSMIResponse, 0),
Reserved1 = AACSMIResponse[2],
Reserved2 = AACSMIResponse[3]
};
Array.Copy(AACSMIResponse, 4, decoded.MediaIdentifier, 0, AACSMIResponse.Length - 4);
return decoded;
}
public static string PrettifyAACSMediaIdentifier(AACSMediaIdentifier? AACSMIResponse)
{
if(AACSMIResponse == null)
return null;
AACSMediaIdentifier response = AACSMIResponse.Value;
var sb = new StringBuilder();
#if DEBUG
if(response.Reserved1 != 0)
sb.AppendFormat(Localization.Reserved1_equals_0_X8, response.Reserved1).AppendLine();
if(response.Reserved2 != 0)
sb.AppendFormat(Localization.Reserved2_equals_0_X8, response.Reserved2).AppendLine();
#endif
sb.AppendFormat(Localization.AACS_Media_Identifier_in_hex_follows);
sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.MediaIdentifier, 80));
return sb.ToString();
}
public static string PrettifyAACSMediaIdentifier(byte[] AACSMIResponse)
{
AACSMediaIdentifier? decoded = DecodeAACSMediaIdentifier(AACSMIResponse);
return PrettifyAACSMediaIdentifier(decoded);
}
public static AACSMediaKeyBlock? DecodeAACSMediaKeyBlock(byte[] AACSMKBResponse)
{
if(AACSMKBResponse == null)
return null;
var decoded = new AACSMediaKeyBlock
{
MediaKeyBlockPacks = new byte[AACSMKBResponse.Length - 4],
DataLength = BigEndianBitConverter.ToUInt16(AACSMKBResponse, 0),
Reserved = AACSMKBResponse[2],
TotalPacks = AACSMKBResponse[3]
};
Array.Copy(AACSMKBResponse, 4, decoded.MediaKeyBlockPacks, 0, AACSMKBResponse.Length - 4);
return decoded;
}
public static string PrettifyAACSMediaKeyBlock(AACSMediaKeyBlock? AACSMKBResponse)
{
if(AACSMKBResponse == null)
return null;
AACSMediaKeyBlock response = AACSMKBResponse.Value;
var sb = new StringBuilder();
#if DEBUG
if(response.Reserved != 0)
sb.AppendFormat(Localization.Reserved_equals_0_X2, response.Reserved).AppendLine();
#endif
sb.AppendFormat(Localization.Total_number_of_media_key_blocks_available_to_transfer_0, response.TotalPacks).
AppendLine();
sb.AppendFormat(Localization.AACS_Media_Key_Blocks_in_hex_follows);
sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.MediaKeyBlockPacks, 80));
return sb.ToString();
}
public static string PrettifyAACSMediaKeyBlock(byte[] AACSMKBResponse)
{
AACSMediaKeyBlock? decoded = DecodeAACSMediaKeyBlock(AACSMKBResponse);
return PrettifyAACSMediaKeyBlock(decoded);
}
public static AACSDataKeys? DecodeAACSDataKeys(byte[] AACSDKResponse)
{
if(AACSDKResponse == null)
return null;
var decoded = new AACSDataKeys
{
DataKeys = new byte[AACSDKResponse.Length - 4],
DataLength = BigEndianBitConverter.ToUInt16(AACSDKResponse, 0),
Reserved1 = AACSDKResponse[2],
Reserved2 = AACSDKResponse[3]
};
Array.Copy(AACSDKResponse, 4, decoded.DataKeys, 0, AACSDKResponse.Length - 4);
return decoded;
}
public static string PrettifyAACSDataKeys(AACSDataKeys? AACSDKResponse)
{
if(AACSDKResponse == null)
return null;
AACSDataKeys response = AACSDKResponse.Value;
var sb = new StringBuilder();
#if DEBUG
if(response.Reserved1 != 0)
sb.AppendFormat(Localization.Reserved1_equals_0_X8, response.Reserved1).AppendLine();
if(response.Reserved2 != 0)
sb.AppendFormat(Localization.Reserved2_equals_0_X8, response.Reserved2).AppendLine();
#endif
sb.AppendFormat(Localization.AACS_Data_Keys_in_hex_follows);
sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.DataKeys, 80));
return sb.ToString();
}
public static string PrettifyAACSDataKeys(byte[] AACSDKResponse)
{
AACSDataKeys? decoded = DecodeAACSDataKeys(AACSDKResponse);
return PrettifyAACSDataKeys(decoded);
}
public static AACSLBAExtentsResponse? DecodeAACSLBAExtents(byte[] AACSLBAExtsResponse)
{
if(AACSLBAExtsResponse == null)
return null;
var decoded = new AACSLBAExtentsResponse
{
DataLength = BigEndianBitConverter.ToUInt16(AACSLBAExtsResponse, 0),
Reserved = AACSLBAExtsResponse[2],
MaxLBAExtents = AACSLBAExtsResponse[3]
};
if((AACSLBAExtsResponse.Length - 4) % 16 != 0)
return decoded;
decoded.Extents = new AACSLBAExtent[(AACSLBAExtsResponse.Length - 4) / 16];
for(var i = 0; i < (AACSLBAExtsResponse.Length - 4) / 16; i++)
{
decoded.Extents[i].Reserved = new byte[8];
Array.Copy(AACSLBAExtsResponse, 0 + i * 16 + 4, decoded.Extents[i].Reserved, 0, 8);
decoded.Extents[i].StartLBA = BigEndianBitConverter.ToUInt32(AACSLBAExtsResponse, 8 + i * 16 + 4);
decoded.Extents[i].LBACount = BigEndianBitConverter.ToUInt32(AACSLBAExtsResponse, 12 + i * 16 + 4);
}
return decoded;
}
public static string PrettifyAACSLBAExtents(AACSLBAExtentsResponse? AACSLBAExtsResponse)
{
if(AACSLBAExtsResponse == null)
return null;
AACSLBAExtentsResponse response = AACSLBAExtsResponse.Value;
var sb = new StringBuilder();
if(response.MaxLBAExtents == 0)
{
sb.AppendLine(response.DataLength > 2
? Localization.Drive_can_store_256_LBA_Extents
: Localization.Drive_cannot_store_LBA_Extents);
}
else
sb.AppendFormat(Localization.Drive_can_store_0_LBA_Extents, response.MaxLBAExtents).AppendLine();
for(var i = 0; i < response.Extents.Length; i++)
{
sb.AppendFormat(Localization.LBA_Extent_0_starts_at_LBA_1_and_goes_for_2_sectors, i,
response.Extents[i].StartLBA, response.Extents[i].LBACount);
}
return sb.ToString();
}
public static string PrettifyAACSLBAExtents(byte[] AACSLBAExtsResponse)
{
AACSLBAExtentsResponse? decoded = DecodeAACSLBAExtents(AACSLBAExtsResponse);
return PrettifyAACSLBAExtents(decoded);
}
#region Nested type: AACSDataKeys
public struct AACSDataKeys
{
/// <summary>Bytes 0 to 1 Data length</summary>
public ushort DataLength;
/// <summary>Byte 2 Reserved</summary>
public byte Reserved1;
/// <summary>Byte 3 Reserved</summary>
public byte Reserved2;
/// <summary>Bytes 4 to end AACS data keys</summary>
public byte[] DataKeys;
}
#endregion
#region Nested type: AACSLBAExtent
public struct AACSLBAExtent
{
/// <summary>Bytes 0 to 7 Reserved</summary>
public byte[] Reserved;
/// <summary>Bytes 8 to 11 Start LBA of extent</summary>
public uint StartLBA;
/// <summary>Bytes 12 to 15 Extent length</summary>
public uint LBACount;
}
#endregion
#region Nested type: AACSLBAExtentsResponse
public struct AACSLBAExtentsResponse
{
/// <summary>Bytes 0 to 1 Data Length</summary>
public ushort DataLength;
/// <summary>Byte 2 Reserved</summary>
public byte Reserved;
/// <summary>
/// Byte 3 Number of LBA extents the drive can store. if(MaxLBAExtents == 0 &amp;&amp; DataLength > 2), 256
/// extents can be stored
/// </summary>
public byte MaxLBAExtents;
/// <summary>Bytes 4 to end LBA Extents</summary>
public AACSLBAExtent[] Extents;
}
#endregion
#region Nested type: AACSMediaIdentifier
public struct AACSMediaIdentifier
{
/// <summary>Bytes 0 to 1 Data length</summary>
public ushort DataLength;
/// <summary>Byte 2 Reserved</summary>
public byte Reserved1;
/// <summary>Byte 3 Reserved</summary>
public byte Reserved2;
/// <summary>Bytes 4 to end AACS media identifier data</summary>
public byte[] MediaIdentifier;
}
#endregion
#region Nested type: AACSMediaKeyBlock
public struct AACSMediaKeyBlock
{
/// <summary>Bytes 0 to 1 Data length</summary>
public ushort DataLength;
/// <summary>Byte 2 Reserved</summary>
public byte Reserved;
/// <summary>Byte 3 Number of MKB packs available to transfer</summary>
public byte TotalPacks;
/// <summary>Bytes 4 to end AACS media key block packs</summary>
public byte[] MediaKeyBlockPacks;
}
#endregion
#region Nested type: AACSMediaSerialNumber
public struct AACSMediaSerialNumber
{
/// <summary>Bytes 0 to 1 Data length</summary>
public ushort DataLength;
/// <summary>Byte 2 Reserved</summary>
public byte Reserved1;
/// <summary>Byte 3 Reserved</summary>
public byte Reserved2;
/// <summary>Bytes 4 to end AACS media serial number</summary>
public byte[] MediaSerialNumber;
}
#endregion
#region Nested type: AACSVolumeIdentifier
public struct AACSVolumeIdentifier
{
/// <summary>Bytes 0 to 1 Data length</summary>
public ushort DataLength;
/// <summary>Byte 2 Reserved</summary>
public byte Reserved1;
/// <summary>Byte 3 Reserved</summary>
public byte Reserved2;
/// <summary>Bytes 4 to end AACS volume identifier data</summary>
public byte[] VolumeIdentifier;
}
#endregion
}