// /*************************************************************************** // The Disc Image Chef // ---------------------------------------------------------------------------- // // Filename : Decode.cs // Author(s) : Natalia Portillo // // 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 . // // ---------------------------------------------------------------------------- // Copyright © 2011-2020 Natalia Portillo // ****************************************************************************/ using System.CommandLine; using System.CommandLine.Invocation; 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; namespace DiscImageChef.Commands.Image { internal class DecodeCommand : Command { public DecodeCommand() : base("decode", "Decodes and pretty prints disk and/or sector tags.") { Add(new Option(new[] { "--disk-tags", "-f" }, "Decode disk tags.") { Argument = new Argument(() => true), Required = false }); Add(new Option(new[] { "--length", "-l" }, "How many sectors to decode, or \"all\".") { Argument = new Argument(() => "all"), Required = false }); Add(new Option(new[] { "--sector-tags", "-p" }, "Decode sector tags.") { Argument = new Argument(() => true), Required = false }); Add(new Option(new[] { "--start", "-s" }, "Sector to start decoding from.") { Argument = new Argument(() => 0), Required = false }); AddArgument(new Argument { Arity = ArgumentArity.ExactlyOne, Description = "Media image path", Name = "image-path" }); Handler = CommandHandler.Create(GetType().GetMethod(nameof(Invoke))); } public static int Invoke(bool verbose, bool debug, bool diskTags, string imagePath, string length, bool sectorTags, ulong startSector) { MainClass.PrintCopyright(); if(debug) DicConsole.DebugWriteLineEvent += System.Console.Error.WriteLine; if(verbose) DicConsole.VerboseWriteLineEvent += System.Console.WriteLine; Statistics.AddCommand("decode"); DicConsole.DebugWriteLine("Decode command", "--debug={0}", debug); DicConsole.DebugWriteLine("Decode command", "--disk-tags={0}", diskTags); DicConsole.DebugWriteLine("Decode command", "--input={0}", imagePath); 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}", verbose); var filtersList = new FiltersList(); IFilter inputFilter = filtersList.GetFilter(imagePath); 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; } } }