Files
Aaru/DiscImageChef/Commands/Decode.cs

325 lines
16 KiB
C#

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Decode.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Verbs.
//
// --[ Description ] ----------------------------------------------------------
//
// Implements the 'decode' verb.
//
// --[ License ] --------------------------------------------------------------
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2019 Natalia Portillo
// ****************************************************************************/
using System.Collections.Generic;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.Console;
using DiscImageChef.Core;
using DiscImageChef.Decoders.ATA;
using DiscImageChef.Decoders.CD;
using DiscImageChef.Decoders.SCSI;
using Mono.Options;
namespace DiscImageChef.Commands
{
class DecodeCommand : Command
{
bool diskTags = true;
string inputFile;
string length = "all";
bool sectorTags = true;
bool showHelp;
ulong startSector;
public DecodeCommand() : base("decode", "Decodes and pretty prints disk and/or sector tags.")
{
Options = new OptionSet
{
$"{MainClass.AssemblyTitle} {MainClass.AssemblyVersion?.InformationalVersion}",
$"{MainClass.AssemblyCopyright}",
"",
$"usage: DiscImageChef {Name} [OPTIONS] imagefile",
"",
Help,
{"disk-tags|f", "Decode disk tags.", b => diskTags = b != null},
{"length|l=", "How many sectors to decode, or \"all\".", s => length = s},
{"sector-tags|p", "Decode sector tags.", b => sectorTags = b != null},
{"start|s=", "Name of character encoding to use.", (ulong ul) => startSector = ul},
{"help|h|?", "Show this message and exit.", v => showHelp = v != null}
};
}
public override int Invoke(IEnumerable<string> arguments)
{
List<string> extra = Options.Parse(arguments);
if(showHelp)
{
Options.WriteOptionDescriptions(CommandSet.Out);
return (int)ErrorNumber.HelpRequested;
}
MainClass.PrintCopyright();
if(MainClass.Debug) DicConsole.DebugWriteLineEvent += System.Console.Error.WriteLine;
if(MainClass.Verbose) DicConsole.VerboseWriteLineEvent += System.Console.WriteLine;
Statistics.AddCommand("decode");
if(extra.Count > 1)
{
DicConsole.ErrorWriteLine("Too many arguments.");
return (int)ErrorNumber.UnexpectedArgumentCount;
}
if(extra.Count == 0)
{
DicConsole.ErrorWriteLine("Missing input image.");
return (int)ErrorNumber.MissingArgument;
}
inputFile = extra[0];
DicConsole.DebugWriteLine("Decode command", "--debug={0}", MainClass.Debug);
DicConsole.DebugWriteLine("Decode command", "--disk-tags={0}", diskTags);
DicConsole.DebugWriteLine("Decode command", "--input={0}", inputFile);
DicConsole.DebugWriteLine("Decode command", "--length={0}", length);
DicConsole.DebugWriteLine("Decode command", "--sector-tags={0}", sectorTags);
DicConsole.DebugWriteLine("Decode command", "--start={0}", startSector);
DicConsole.DebugWriteLine("Decode command", "--verbose={0}", MainClass.Verbose);
FiltersList filtersList = new FiltersList();
IFilter inputFilter = filtersList.GetFilter(inputFile);
if(inputFilter == null)
{
DicConsole.ErrorWriteLine("Cannot open specified file.");
return (int)ErrorNumber.CannotOpenFile;
}
IMediaImage inputFormat = ImageFormat.Detect(inputFilter);
if(inputFormat == null)
{
DicConsole.ErrorWriteLine("Unable to recognize image format, not decoding");
return (int)ErrorNumber.UnrecognizedFormat;
}
inputFormat.Open(inputFilter);
Statistics.AddMediaFormat(inputFormat.Format);
Statistics.AddMedia(inputFormat.Info.MediaType, false);
Statistics.AddFilter(inputFilter.Name);
if(diskTags)
if(inputFormat.Info.ReadableMediaTags.Count == 0)
DicConsole.WriteLine("There are no disk tags in chosen disc image.");
else
foreach(MediaTagType tag in inputFormat.Info.ReadableMediaTags)
switch(tag)
{
case MediaTagType.SCSI_INQUIRY:
{
byte[] inquiry = inputFormat.ReadDiskTag(MediaTagType.SCSI_INQUIRY);
if(inquiry == null)
DicConsole.WriteLine("Error reading SCSI INQUIRY response from disc image");
else
{
DicConsole.WriteLine("SCSI INQUIRY command response:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(Inquiry.Prettify(inquiry));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.ATA_IDENTIFY:
{
byte[] identify = inputFormat.ReadDiskTag(MediaTagType.ATA_IDENTIFY);
if(identify == null)
DicConsole.WriteLine("Error reading ATA IDENTIFY DEVICE response from disc image");
else
{
DicConsole.WriteLine("ATA IDENTIFY DEVICE command response:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(Identify.Prettify(identify));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.ATAPI_IDENTIFY:
{
byte[] identify = inputFormat.ReadDiskTag(MediaTagType.ATAPI_IDENTIFY);
if(identify == null)
DicConsole
.WriteLine("Error reading ATA IDENTIFY PACKET DEVICE response from disc image");
else
{
DicConsole.WriteLine("ATA IDENTIFY PACKET DEVICE command response:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(Identify.Prettify(identify));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.CD_ATIP:
{
byte[] atip = inputFormat.ReadDiskTag(MediaTagType.CD_ATIP);
if(atip == null) DicConsole.WriteLine("Error reading CD ATIP from disc image");
else
{
DicConsole.WriteLine("CD ATIP:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(ATIP.Prettify(atip));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.CD_FullTOC:
{
byte[] fulltoc = inputFormat.ReadDiskTag(MediaTagType.CD_FullTOC);
if(fulltoc == null) DicConsole.WriteLine("Error reading CD full TOC from disc image");
else
{
DicConsole.WriteLine("CD full TOC:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(FullTOC.Prettify(fulltoc));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.CD_PMA:
{
byte[] pma = inputFormat.ReadDiskTag(MediaTagType.CD_PMA);
if(pma == null) DicConsole.WriteLine("Error reading CD PMA from disc image");
else
{
DicConsole.WriteLine("CD PMA:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(PMA.Prettify(pma));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.CD_SessionInfo:
{
byte[] sessioninfo = inputFormat.ReadDiskTag(MediaTagType.CD_SessionInfo);
if(sessioninfo == null)
DicConsole.WriteLine("Error reading CD session information from disc image");
else
{
DicConsole.WriteLine("CD session information:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(Session.Prettify(sessioninfo));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.CD_TEXT:
{
byte[] cdtext = inputFormat.ReadDiskTag(MediaTagType.CD_TEXT);
if(cdtext == null) DicConsole.WriteLine("Error reading CD-TEXT from disc image");
else
{
DicConsole.WriteLine("CD-TEXT:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(CDTextOnLeadIn.Prettify(cdtext));
DicConsole
.WriteLine("================================================================================");
}
break;
}
case MediaTagType.CD_TOC:
{
byte[] toc = inputFormat.ReadDiskTag(MediaTagType.CD_TOC);
if(toc == null) DicConsole.WriteLine("Error reading CD TOC from disc image");
else
{
DicConsole.WriteLine("CD TOC:");
DicConsole
.WriteLine("================================================================================");
DicConsole.WriteLine(TOC.Prettify(toc));
DicConsole
.WriteLine("================================================================================");
}
break;
}
default:
DicConsole.WriteLine("Decoder for disk tag type \"{0}\" not yet implemented, sorry.",
tag);
break;
}
if(sectorTags)
{
if(length.ToLowerInvariant() == "all") { }
else
{
if(!ulong.TryParse(length, out ulong _))
{
DicConsole.WriteLine("Value \"{0}\" is not a valid number for length.", length);
DicConsole.WriteLine("Not decoding sectors tags");
return 3;
}
}
if(inputFormat.Info.ReadableSectorTags.Count == 0)
DicConsole.WriteLine("There are no sector tags in chosen disc image.");
else
foreach(SectorTagType tag in inputFormat.Info.ReadableSectorTags)
switch(tag)
{
default:
DicConsole.WriteLine("Decoder for disk tag type \"{0}\" not yet implemented, sorry.",
tag);
break;
}
// TODO: Not implemented
}
return (int)ErrorNumber.NoError;
}
}
}