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316 lines
13 KiB
C#
316 lines
13 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Analyze.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Verbs.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Implements the 'analyze' verb.
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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 © 2011-2020 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.CommandLine;
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using System.CommandLine.Invocation;
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using System.Text;
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using DiscImageChef.CommonTypes;
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using DiscImageChef.CommonTypes.Enums;
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using DiscImageChef.CommonTypes.Interfaces;
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using DiscImageChef.Console;
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using DiscImageChef.Core;
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namespace DiscImageChef.Commands.Image
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{
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internal class AnalyzeCommand : Command
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{
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public AnalyzeCommand() : base("analyze",
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"Analyzes a disc image and searches for partitions and/or filesystems.")
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{
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Add(new Option(new[]
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{
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"--encoding", "-e"
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}, "Name of character encoding to use.")
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{
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Argument = new Argument<string>(() => null), Required = false
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});
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Add(new Option(new[]
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{
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"--filesystems", "-f"
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}, "Searches and analyzes filesystems.")
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{
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Argument = new Argument<bool>(() => true), Required = false
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});
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Add(new Option(new[]
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{
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"--partitions", "-p"
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}, "Searches and interprets partitions.")
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{
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Argument = new Argument<bool>(() => true), Required = false
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});
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AddArgument(new Argument<string>
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{
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Arity = ArgumentArity.ExactlyOne, Description = "Disc image path", Name = "image-path"
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});
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Handler = CommandHandler.Create(typeof(AnalyzeCommand).GetMethod(nameof(Invoke)));
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}
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public static int Invoke(bool verbose, bool debug, string encoding, bool filesystems, bool partitions,
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string imagePath)
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{
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MainClass.PrintCopyright();
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if(debug)
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DicConsole.DebugWriteLineEvent += System.Console.Error.WriteLine;
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if(verbose)
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DicConsole.VerboseWriteLineEvent += System.Console.WriteLine;
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Statistics.AddCommand("analyze");
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DicConsole.DebugWriteLine("Analyze command", "--debug={0}", debug);
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DicConsole.DebugWriteLine("Analyze command", "--encoding={0}", encoding);
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DicConsole.DebugWriteLine("Analyze command", "--filesystems={0}", filesystems);
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DicConsole.DebugWriteLine("Analyze command", "--input={0}", imagePath);
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DicConsole.DebugWriteLine("Analyze command", "--partitions={0}", partitions);
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DicConsole.DebugWriteLine("Analyze command", "--verbose={0}", verbose);
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var filtersList = new FiltersList();
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IFilter inputFilter = filtersList.GetFilter(imagePath);
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if(inputFilter == null)
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{
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DicConsole.ErrorWriteLine("Cannot open specified file.");
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return(int)ErrorNumber.CannotOpenFile;
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}
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Encoding encodingClass = null;
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if(encoding != null)
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try
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{
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encodingClass = Claunia.Encoding.Encoding.GetEncoding(encoding);
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if(verbose)
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DicConsole.VerboseWriteLine("Using encoding for {0}.", encodingClass.EncodingName);
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}
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catch(ArgumentException)
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{
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DicConsole.ErrorWriteLine("Specified encoding is not supported.");
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return(int)ErrorNumber.EncodingUnknown;
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}
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PluginBase plugins = GetPluginBase.Instance;
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bool checkRaw = false;
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try
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{
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IMediaImage imageFormat = ImageFormat.Detect(inputFilter);
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if(imageFormat == null)
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{
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DicConsole.WriteLine("Image format not identified, not proceeding with analysis.");
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return(int)ErrorNumber.UnrecognizedFormat;
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}
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if(verbose)
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DicConsole.VerboseWriteLine("Image format identified by {0} ({1}).", imageFormat.Name,
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imageFormat.Id);
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else
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DicConsole.WriteLine("Image format identified by {0}.", imageFormat.Name);
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DicConsole.WriteLine();
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try
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{
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if(!imageFormat.Open(inputFilter))
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{
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DicConsole.WriteLine("Unable to open image format");
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DicConsole.WriteLine("No error given");
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return(int)ErrorNumber.CannotOpenFormat;
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}
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if(verbose)
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{
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ImageInfo.PrintImageInfo(imageFormat);
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DicConsole.WriteLine();
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}
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Statistics.AddMediaFormat(imageFormat.Format);
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Statistics.AddMedia(imageFormat.Info.MediaType, false);
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Statistics.AddFilter(inputFilter.Name);
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}
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catch(Exception ex)
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{
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DicConsole.ErrorWriteLine("Unable to open image format");
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DicConsole.ErrorWriteLine("Error: {0}", ex.Message);
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DicConsole.DebugWriteLine("Analyze command", "Stack trace: {0}", ex.StackTrace);
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return(int)ErrorNumber.CannotOpenFormat;
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}
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List<string> idPlugins;
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IFilesystem plugin;
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string information;
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if(partitions)
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{
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List<Partition> partitionsList = Core.Partitions.GetAll(imageFormat);
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Core.Partitions.AddSchemesToStats(partitionsList);
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if(partitionsList.Count == 0)
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{
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DicConsole.DebugWriteLine("Analyze command", "No partitions found");
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if(!filesystems)
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{
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DicConsole.WriteLine("No partitions founds, not searching for filesystems");
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return(int)ErrorNumber.NothingFound;
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}
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checkRaw = true;
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}
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else
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{
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DicConsole.WriteLine("{0} partitions found.", partitionsList.Count);
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for(int i = 0; i < partitionsList.Count; i++)
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{
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DicConsole.WriteLine();
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DicConsole.WriteLine("Partition {0}:", partitionsList[i].Sequence);
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DicConsole.WriteLine("Partition name: {0}", partitionsList[i].Name);
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DicConsole.WriteLine("Partition type: {0}", partitionsList[i].Type);
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DicConsole.WriteLine("Partition start: sector {0}, byte {1}", partitionsList[i].Start,
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partitionsList[i].Offset);
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DicConsole.WriteLine("Partition length: {0} sectors, {1} bytes", partitionsList[i].Length,
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partitionsList[i].Size);
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DicConsole.WriteLine("Partition scheme: {0}", partitionsList[i].Scheme);
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DicConsole.WriteLine("Partition description:");
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DicConsole.WriteLine(partitionsList[i].Description);
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if(!filesystems)
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continue;
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DicConsole.WriteLine("Identifying filesystem on partition");
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Core.Filesystems.Identify(imageFormat, out idPlugins, partitionsList[i]);
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if(idPlugins.Count == 0)
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DicConsole.WriteLine("Filesystem not identified");
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else if(idPlugins.Count > 1)
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{
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DicConsole.WriteLine($"Identified by {idPlugins.Count} plugins");
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foreach(string pluginName in idPlugins)
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if(plugins.PluginsList.TryGetValue(pluginName, out plugin))
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{
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DicConsole.WriteLine($"As identified by {plugin.Name}.");
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plugin.GetInformation(imageFormat, partitionsList[i], out information,
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encodingClass);
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DicConsole.Write(information);
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Statistics.AddFilesystem(plugin.XmlFsType.Type);
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}
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}
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else
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{
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plugins.PluginsList.TryGetValue(idPlugins[0], out plugin);
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if(plugin == null)
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continue;
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DicConsole.WriteLine($"Identified by {plugin.Name}.");
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plugin.GetInformation(imageFormat, partitionsList[i], out information, encodingClass);
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DicConsole.Write("{0}", information);
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Statistics.AddFilesystem(plugin.XmlFsType.Type);
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}
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}
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}
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}
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if(checkRaw)
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{
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var wholePart = new Partition
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{
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Name = "Whole device", Length = imageFormat.Info.Sectors,
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Size = imageFormat.Info.Sectors * imageFormat.Info.SectorSize
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};
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Core.Filesystems.Identify(imageFormat, out idPlugins, wholePart);
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if(idPlugins.Count == 0)
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DicConsole.WriteLine("Filesystem not identified");
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else if(idPlugins.Count > 1)
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{
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DicConsole.WriteLine($"Identified by {idPlugins.Count} plugins");
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foreach(string pluginName in idPlugins)
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if(plugins.PluginsList.TryGetValue(pluginName, out plugin))
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{
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DicConsole.WriteLine($"As identified by {plugin.Name}.");
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plugin.GetInformation(imageFormat, wholePart, out information, encodingClass);
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DicConsole.Write(information);
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Statistics.AddFilesystem(plugin.XmlFsType.Type);
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}
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}
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else
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{
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plugins.PluginsList.TryGetValue(idPlugins[0], out plugin);
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if(plugin != null)
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{
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DicConsole.WriteLine($"Identified by {plugin.Name}.");
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plugin.GetInformation(imageFormat, wholePart, out information, encodingClass);
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DicConsole.Write(information);
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Statistics.AddFilesystem(plugin.XmlFsType.Type);
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}
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}
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}
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}
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catch(Exception ex)
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{
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DicConsole.ErrorWriteLine($"Error reading file: {ex.Message}");
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DicConsole.DebugWriteLine("Analyze command", ex.StackTrace);
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return(int)ErrorNumber.UnexpectedException;
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}
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return(int)ErrorNumber.NoError;
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}
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}
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} |