mirror of
https://github.com/aaru-dps/Aaru.git
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415 lines
15 KiB
C#
415 lines
15 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Error.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2022 Natalia Portillo
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// Copyright © 2020-2022 Rebecca Wallander
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// ****************************************************************************/
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using DVDDecryption = Aaru.Decryption.DVD.Dump;
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// ReSharper disable JoinDeclarationAndInitializer
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// ReSharper disable InlineOutVariableDeclaration
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// ReSharper disable TooWideLocalVariableScope
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namespace Aaru.Core.Devices.Dumping;
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using System.Linq;
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using Aaru.CommonTypes.Enums;
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using Aaru.CommonTypes.Extents;
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using Aaru.CommonTypes.Interfaces;
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using Aaru.CommonTypes.Structs.Devices.SCSI;
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using Aaru.Console;
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using Aaru.Decoders.DVD;
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using Aaru.Decoders.SCSI;
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using Aaru.Decryption;
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using Aaru.Decryption.DVD;
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using Aaru.Devices;
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using Schemas;
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partial class Dump
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{
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/// <summary>Retries errored data when dumping from a SCSI Block Commands compliant device</summary>
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/// <param name="currentTry">Resume information</param>
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/// <param name="extents">Correctly dump extents</param>
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/// <param name="totalDuration">Total time spent in commands</param>
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/// <param name="scsiReader">SCSI reader</param>
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/// <param name="blankExtents">Blank extents</param>
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void RetrySbcData(Reader scsiReader, DumpHardwareType currentTry, ExtentsULong extents, ref double totalDuration,
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ExtentsULong blankExtents)
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{
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var pass = 1;
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var forward = true;
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var runningPersistent = false;
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bool sense;
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byte[] buffer;
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bool recoveredError;
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Modes.ModePage? currentModePage = null;
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byte[] md6;
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byte[] md10;
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bool blankCheck;
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var newBlank = false;
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var outputFormat = _outputPlugin as IWritableImage;
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if(_persistent)
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{
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Modes.ModePage_01_MMC pgMmc;
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Modes.ModePage_01 pg;
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sense = _dev.ModeSense6(out buffer, out _, false, ScsiModeSensePageControl.Current, 0x01, _dev.Timeout,
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out _);
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if(sense)
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{
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sense = _dev.ModeSense10(out buffer, out _, false, ScsiModeSensePageControl.Current, 0x01, _dev.Timeout,
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out _);
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if(!sense)
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{
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Modes.DecodedMode? dcMode10 = Modes.DecodeMode10(buffer, _dev.ScsiType);
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if(dcMode10?.Pages != null)
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foreach(Modes.ModePage modePage in dcMode10.Value.Pages.Where(modePage =>
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modePage.Page == 0x01 && modePage.Subpage == 0x00))
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currentModePage = modePage;
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}
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}
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else
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{
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Modes.DecodedMode? dcMode6 = Modes.DecodeMode6(buffer, _dev.ScsiType);
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if(dcMode6?.Pages != null)
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foreach(Modes.ModePage modePage in dcMode6.Value.Pages.Where(modePage => modePage.Page == 0x01 &&
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modePage.Subpage == 0x00))
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currentModePage = modePage;
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}
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if(currentModePage == null)
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{
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if(_dev.ScsiType == PeripheralDeviceTypes.MultiMediaDevice)
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{
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pgMmc = new Modes.ModePage_01_MMC
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{
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PS = false,
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ReadRetryCount = 32,
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Parameter = 0x00
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};
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currentModePage = new Modes.ModePage
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{
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Page = 0x01,
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Subpage = 0x00,
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PageResponse = Modes.EncodeModePage_01_MMC(pgMmc)
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};
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}
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else
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{
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pg = new Modes.ModePage_01
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{
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PS = false,
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AWRE = true,
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ARRE = true,
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TB = false,
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RC = false,
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EER = true,
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PER = false,
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DTE = true,
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DCR = false,
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ReadRetryCount = 32
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};
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currentModePage = new Modes.ModePage
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{
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Page = 0x01,
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Subpage = 0x00,
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PageResponse = Modes.EncodeModePage_01(pg)
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};
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}
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}
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if(_dev.ScsiType == PeripheralDeviceTypes.MultiMediaDevice)
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{
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pgMmc = new Modes.ModePage_01_MMC
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{
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PS = false,
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ReadRetryCount = 255,
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Parameter = 0x20
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};
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var md = new Modes.DecodedMode
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{
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Header = new Modes.ModeHeader(),
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Pages = new[]
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{
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new Modes.ModePage
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{
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Page = 0x01,
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Subpage = 0x00,
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PageResponse = Modes.EncodeModePage_01_MMC(pgMmc)
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}
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}
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};
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md6 = Modes.EncodeMode6(md, _dev.ScsiType);
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md10 = Modes.EncodeMode10(md, _dev.ScsiType);
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}
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else
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{
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pg = new Modes.ModePage_01
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{
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PS = false,
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AWRE = false,
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ARRE = false,
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TB = true,
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RC = false,
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EER = true,
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PER = false,
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DTE = false,
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DCR = false,
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ReadRetryCount = 255
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};
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var md = new Modes.DecodedMode
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{
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Header = new Modes.ModeHeader(),
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Pages = new[]
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{
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new Modes.ModePage
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{
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Page = 0x01,
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Subpage = 0x00,
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PageResponse = Modes.EncodeModePage_01(pg)
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}
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}
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};
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md6 = Modes.EncodeMode6(md, _dev.ScsiType);
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md10 = Modes.EncodeMode10(md, _dev.ScsiType);
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}
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UpdateStatus?.Invoke("Sending MODE SELECT to drive (return damaged blocks).");
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_dumpLog.WriteLine("Sending MODE SELECT to drive (return damaged blocks).");
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sense = _dev.ModeSelect(md6, out byte[] senseBuf, true, false, _dev.Timeout, out _);
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if(sense)
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sense = _dev.ModeSelect10(md10, out senseBuf, true, false, _dev.Timeout, out _);
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if(sense)
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{
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UpdateStatus?.
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Invoke("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");
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AaruConsole.DebugWriteLine("Error: {0}", Sense.PrettifySense(senseBuf));
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_dumpLog.WriteLine("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");
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}
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else
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runningPersistent = true;
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}
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InitProgress?.Invoke();
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repeatRetry:
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ulong[] tmpArray = _resume.BadBlocks.ToArray();
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foreach(ulong badSector in tmpArray)
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{
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if(_aborted)
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{
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currentTry.Extents = ExtentsConverter.ToMetadata(extents);
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UpdateStatus?.Invoke("Aborted!");
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_dumpLog.WriteLine("Aborted!");
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break;
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}
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PulseProgress?.Invoke(string.Format("Retrying sector {0}, pass {1}, {3}{2}", badSector, pass,
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forward ? "forward" : "reverse",
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runningPersistent ? "recovering partial data, " : ""));
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sense = scsiReader.ReadBlock(out buffer, badSector, out double cmdDuration, out recoveredError,
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out blankCheck);
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totalDuration += cmdDuration;
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if(blankCheck)
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{
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_resume.BadBlocks.Remove(badSector);
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blankExtents.Add(badSector, badSector);
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newBlank = true;
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UpdateStatus?.Invoke($"Found blank block {badSector} in pass {pass}.");
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_dumpLog.WriteLine("Found blank block {0} in pass {1}.", badSector, pass);
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continue;
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}
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if(!sense && !_dev.Error || recoveredError)
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{
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_resume.BadBlocks.Remove(badSector);
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extents.Add(badSector);
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outputFormat.WriteSector(buffer, badSector);
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UpdateStatus?.Invoke($"Correctly retried block {badSector} in pass {pass}.");
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_dumpLog.WriteLine("Correctly retried block {0} in pass {1}.", badSector, pass);
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}
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else if(runningPersistent)
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outputFormat.WriteSector(buffer, badSector);
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}
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if(pass < _retryPasses &&
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!_aborted &&
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_resume.BadBlocks.Count > 0)
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{
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pass++;
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forward = !forward;
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_resume.BadBlocks.Sort();
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if(!forward)
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_resume.BadBlocks.Reverse();
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goto repeatRetry;
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}
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if(runningPersistent && currentModePage.HasValue)
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{
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var md = new Modes.DecodedMode
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{
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Header = new Modes.ModeHeader(),
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Pages = new[]
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{
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currentModePage.Value
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}
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};
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md6 = Modes.EncodeMode6(md, _dev.ScsiType);
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md10 = Modes.EncodeMode10(md, _dev.ScsiType);
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UpdateStatus?.Invoke("Sending MODE SELECT to drive (return device to previous status).");
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_dumpLog.WriteLine("Sending MODE SELECT to drive (return device to previous status).");
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sense = _dev.ModeSelect(md6, out _, true, false, _dev.Timeout, out _);
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if(sense)
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_dev.ModeSelect10(md10, out _, true, false, _dev.Timeout, out _);
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}
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if(newBlank)
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_resume.BlankExtents = ExtentsConverter.ToMetadata(blankExtents);
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EndProgress?.Invoke();
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}
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void RetryTitleKeys(DVDDecryption dvdDecrypt, byte[] discKey, ref double totalDuration)
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{
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var pass = 1;
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var forward = true;
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bool sense;
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byte[] buffer;
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var outputFormat = _outputPlugin as IWritableImage;
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InitProgress?.Invoke();
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repeatRetry:
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ulong[] tmpArray = _resume.MissingTitleKeys.ToArray();
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foreach(ulong missingKey in tmpArray)
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{
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if(_aborted)
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{
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UpdateStatus?.Invoke("Aborted!");
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_dumpLog.WriteLine("Aborted!");
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break;
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}
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PulseProgress?.Invoke(string.Format("Retrying title key {0}, pass {1}, {2}", missingKey, pass,
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forward ? "forward" : "reverse"));
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sense = dvdDecrypt.ReadTitleKey(out buffer, out _, DvdCssKeyClass.DvdCssCppmOrCprm, missingKey,
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_dev.Timeout, out double cmdDuration);
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totalDuration += cmdDuration;
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if(!sense &&
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!_dev.Error)
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{
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CSS_CPRM.TitleKey? titleKey = CSS.DecodeTitleKey(buffer, dvdDecrypt.BusKey);
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if(titleKey.HasValue)
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{
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outputFormat.WriteSectorTag(new[]
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{
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titleKey.Value.CMI
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}, missingKey, SectorTagType.DvdCmi);
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// If the CMI bit is 1, the sector is using copy protection, else it is not
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// If the decoded title key is zeroed, there should be no copy protection
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if((titleKey.Value.CMI & 0x80) >> 7 == 0 ||
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titleKey.Value.Key.All(k => k == 0))
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{
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outputFormat.WriteSectorTag(new byte[]
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{
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0, 0, 0, 0, 0
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}, missingKey, SectorTagType.DvdTitleKey);
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outputFormat.WriteSectorTag(new byte[]
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{
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0, 0, 0, 0, 0
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}, missingKey, SectorTagType.DvdTitleKeyDecrypted);
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_resume.MissingTitleKeys.Remove(missingKey);
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UpdateStatus?.Invoke($"Correctly retried title key {missingKey} in pass {pass}.");
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_dumpLog.WriteLine("Correctly retried title key {0} in pass {1}.", missingKey, pass);
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}
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else
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{
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outputFormat.WriteSectorTag(titleKey.Value.Key, missingKey, SectorTagType.DvdTitleKey);
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_resume.MissingTitleKeys.Remove(missingKey);
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if(discKey != null)
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{
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CSS.DecryptTitleKey(0, discKey, titleKey.Value.Key, out buffer);
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outputFormat.WriteSectorTag(buffer, missingKey, SectorTagType.DvdTitleKeyDecrypted);
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}
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UpdateStatus?.Invoke($"Correctly retried title key {missingKey} in pass {pass}.");
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_dumpLog.WriteLine("Correctly retried title key {0} in pass {1}.", missingKey, pass);
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}
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}
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}
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}
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if(pass < _retryPasses &&
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!_aborted &&
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_resume.MissingTitleKeys.Count > 0)
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{
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pass++;
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forward = !forward;
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_resume.MissingTitleKeys.Sort();
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if(!forward)
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_resume.MissingTitleKeys.Reverse();
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goto repeatRetry;
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}
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EndProgress?.Invoke();
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}
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} |