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248 lines
11 KiB
C#
248 lines
11 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 © 2011-2018 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.Text;
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using DiscImageChef.CommonTypes;
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using DiscImageChef.Console;
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using DiscImageChef.Core;
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using DiscImageChef.Filesystems;
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using DiscImageChef.Filters;
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using DiscImageChef.DiscImages;
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namespace DiscImageChef.Commands
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{
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static class Analyze
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{
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internal static void DoAnalyze(AnalyzeOptions options)
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{
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DicConsole.DebugWriteLine("Analyze command", "--debug={0}", options.Debug);
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DicConsole.DebugWriteLine("Analyze command", "--verbose={0}", options.Verbose);
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DicConsole.DebugWriteLine("Analyze command", "--input={0}", options.InputFile);
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DicConsole.DebugWriteLine("Analyze command", "--filesystems={0}", options.SearchForFilesystems);
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DicConsole.DebugWriteLine("Analyze command", "--partitions={0}", options.SearchForPartitions);
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FiltersList filtersList = new FiltersList();
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Filter inputFilter = filtersList.GetFilter(options.InputFile);
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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;
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}
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Encoding encoding = null;
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if(options.EncodingName != null)
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{
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try
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{
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encoding = Claunia.Encoding.Encoding.GetEncoding(options.EncodingName);
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if(options.Verbose) DicConsole.VerboseWriteLine("Using encoding for {0}.", encoding.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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encoding = null;
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return;
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}
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}
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PluginBase plugins = new PluginBase();
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plugins.RegisterAllPlugins(encoding);
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List<string> idPlugins;
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Filesystem plugin;
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string information;
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bool checkraw = false;
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ImagePlugin imageFormat;
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try
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{
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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;
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}
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else
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{
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if(options.Verbose)
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DicConsole.VerboseWriteLine("Image format identified by {0} ({1}).", imageFormat.Name,
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imageFormat.PluginUuid);
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else DicConsole.WriteLine("Image format identified by {0}.", imageFormat.Name);
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}
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try
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{
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if(!imageFormat.OpenImage(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;
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}
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DicConsole.DebugWriteLine("Analyze command", "Correctly opened image file.");
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DicConsole.DebugWriteLine("Analyze command", "Image without headers is {0} bytes.",
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imageFormat.GetImageSize());
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DicConsole.DebugWriteLine("Analyze command", "Image has {0} sectors.", imageFormat.GetSectors());
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DicConsole.DebugWriteLine("Analyze command", "Image identifies disk type as {0}.",
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imageFormat.GetMediaType());
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Core.Statistics.AddMediaFormat(imageFormat.GetImageFormat());
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Core.Statistics.AddMedia(imageFormat.ImageInfo.MediaType, false);
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Core.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;
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}
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if(options.SearchForPartitions)
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{
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List<Partition> partitions = Core.Partitions.GetAll(imageFormat);
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Core.Partitions.AddSchemesToStats(partitions);
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if(partitions.Count == 0)
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{
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DicConsole.DebugWriteLine("Analyze command", "No partitions found");
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if(!options.SearchForFilesystems)
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{
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DicConsole.WriteLine("No partitions founds, not searching for filesystems");
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return;
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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.", partitions.Count);
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for(int i = 0; i < partitions.Count; i++)
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{
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DicConsole.WriteLine();
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DicConsole.WriteLine("Partition {0}:", partitions[i].Sequence);
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DicConsole.WriteLine("Partition name: {0}", partitions[i].Name);
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DicConsole.WriteLine("Partition type: {0}", partitions[i].Type);
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DicConsole.WriteLine("Partition start: sector {0}, byte {1}", partitions[i].Start,
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partitions[i].Offset);
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DicConsole.WriteLine("Partition length: {0} sectors, {1} bytes", partitions[i].Length,
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partitions[i].Size);
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DicConsole.WriteLine("Partition scheme: {0}", partitions[i].Scheme);
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DicConsole.WriteLine("Partition description:");
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DicConsole.WriteLine(partitions[i].Description);
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if(options.SearchForFilesystems)
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{
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DicConsole.WriteLine("Identifying filesystem on partition");
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Core.Filesystems.Identify(imageFormat, out idPlugins, partitions[i]);
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if(idPlugins.Count == 0) DicConsole.WriteLine("Filesystem not identified");
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else if(idPlugins.Count > 1)
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{
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DicConsole.WriteLine(string.Format("Identified by {0} plugins", idPlugins.Count));
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foreach(string pluginName in idPlugins)
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{
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if(plugins.PluginsList.TryGetValue(pluginName, out plugin))
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{
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DicConsole.WriteLine(string.Format("As identified by {0}.", plugin.Name));
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plugin.GetInformation(imageFormat, partitions[i], out information);
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DicConsole.Write(information);
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Core.Statistics.AddFilesystem(plugin.XmlFSType.Type);
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}
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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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DicConsole.WriteLine(string.Format("Identified by {0}.", plugin.Name));
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plugin.GetInformation(imageFormat, partitions[i], out information);
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DicConsole.Write(information);
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Core.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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}
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if(checkraw)
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{
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Partition wholePart = new Partition
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{
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Name = "Whole device",
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Length = imageFormat.GetSectors(),
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Size = imageFormat.GetSectors() * imageFormat.GetSectorSize()
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};
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Core.Filesystems.Identify(imageFormat, out idPlugins, wholePart);
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if(idPlugins.Count == 0) DicConsole.WriteLine("Filesystem not identified");
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else if(idPlugins.Count > 1)
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{
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DicConsole.WriteLine(string.Format("Identified by {0} plugins", idPlugins.Count));
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foreach(string pluginName in idPlugins)
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{
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if(plugins.PluginsList.TryGetValue(pluginName, out plugin))
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{
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DicConsole.WriteLine(string.Format("As identified by {0}.", plugin.Name));
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plugin.GetInformation(imageFormat, wholePart, out information);
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DicConsole.Write(information);
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Core.Statistics.AddFilesystem(plugin.XmlFSType.Type);
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}
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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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DicConsole.WriteLine(string.Format("Identified by {0}.", plugin.Name));
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plugin.GetInformation(imageFormat, wholePart, out information);
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DicConsole.Write(information);
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Core.Statistics.AddFilesystem(plugin.XmlFSType.Type);
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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(string.Format("Error reading file: {0}", ex.Message));
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DicConsole.DebugWriteLine("Analyze command", ex.StackTrace);
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}
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Core.Statistics.AddCommand("analyze");
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}
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}
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} |