Files
Aaru/DiscImageChef/Commands/Analyze.cs

248 lines
11 KiB
C#

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : Analyze.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Verbs.
//
// --[ Description ] ----------------------------------------------------------
//
// Implements the 'analyze' 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 © 2011-2017 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using DiscImageChef.CommonTypes;
using DiscImageChef.Console;
using DiscImageChef.Core;
using DiscImageChef.Filesystems;
using DiscImageChef.Filters;
using DiscImageChef.ImagePlugins;
using DiscImageChef.PartPlugins;
using System.Text;
namespace DiscImageChef.Commands
{
public static class Analyze
{
public static void doAnalyze(AnalyzeOptions options)
{
DicConsole.DebugWriteLine("Analyze command", "--debug={0}", options.Debug);
DicConsole.DebugWriteLine("Analyze command", "--verbose={0}", options.Verbose);
DicConsole.DebugWriteLine("Analyze command", "--input={0}", options.InputFile);
DicConsole.DebugWriteLine("Analyze command", "--filesystems={0}", options.SearchForFilesystems);
DicConsole.DebugWriteLine("Analyze command", "--partitions={0}", options.SearchForPartitions);
FiltersList filtersList = new FiltersList();
Filter inputFilter = filtersList.GetFilter(options.InputFile);
if(inputFilter == null)
{
DicConsole.ErrorWriteLine("Cannot open specified file.");
return;
}
Encoding encoding = null;
if(options.EncodingName != null)
{
try
{
encoding = Claunia.Encoding.Encoding.GetEncoding(options.EncodingName);
if(options.Verbose)
DicConsole.VerboseWriteLine("Using encoding for {0}.", encoding.EncodingName);
}
catch(ArgumentException)
{
DicConsole.ErrorWriteLine("Specified encoding is not supported.");
encoding = null;
return;
}
}
PluginBase plugins = new PluginBase();
plugins.RegisterAllPlugins(encoding);
List<string> id_plugins;
Filesystem _plugin;
string information;
bool checkraw = false;
ImagePlugin _imageFormat;
try
{
_imageFormat = ImageFormat.Detect(inputFilter);
if(_imageFormat == null)
{
DicConsole.WriteLine("Image format not identified, not proceeding with analysis.");
return;
}
else
{
if(options.Verbose)
DicConsole.VerboseWriteLine("Image format identified by {0} ({1}).", _imageFormat.Name, _imageFormat.PluginUUID);
else
DicConsole.WriteLine("Image format identified by {0}.", _imageFormat.Name);
}
try
{
if(!_imageFormat.OpenImage(inputFilter))
{
DicConsole.WriteLine("Unable to open image format");
DicConsole.WriteLine("No error given");
return;
}
DicConsole.DebugWriteLine("Analyze command", "Correctly opened image file.");
DicConsole.DebugWriteLine("Analyze command", "Image without headers is {0} bytes.", _imageFormat.GetImageSize());
DicConsole.DebugWriteLine("Analyze command", "Image has {0} sectors.", _imageFormat.GetSectors());
DicConsole.DebugWriteLine("Analyze command", "Image identifies disk type as {0}.", _imageFormat.GetMediaType());
Core.Statistics.AddMediaFormat(_imageFormat.GetImageFormat());
Core.Statistics.AddMedia(_imageFormat.ImageInfo.mediaType, false);
Core.Statistics.AddFilter(inputFilter.Name);
}
catch(Exception ex)
{
DicConsole.ErrorWriteLine("Unable to open image format");
DicConsole.ErrorWriteLine("Error: {0}", ex.Message);
return;
}
if(options.SearchForPartitions)
{
List<Partition> partitions = Partitions.GetAll(_imageFormat);
Partitions.AddSchemesToStats(partitions);
if(partitions.Count == 0)
{
DicConsole.DebugWriteLine("Analyze command", "No partitions found");
if(!options.SearchForFilesystems)
{
DicConsole.WriteLine("No partitions founds, not searching for filesystems");
return;
}
checkraw = true;
}
else
{
DicConsole.WriteLine("{0} partitions found.", partitions.Count);
for(int i = 0; i < partitions.Count; i++)
{
DicConsole.WriteLine();
DicConsole.WriteLine("Partition {0}:", partitions[i].Sequence);
DicConsole.WriteLine("Partition name: {0}", partitions[i].Name);
DicConsole.WriteLine("Partition type: {0}", partitions[i].Type);
DicConsole.WriteLine("Partition start: sector {0}, byte {1}", partitions[i].Start, partitions[i].Offset);
DicConsole.WriteLine("Partition length: {0} sectors, {1} bytes", partitions[i].Length, partitions[i].Size);
DicConsole.WriteLine("Partition scheme: {0}", partitions[i].Scheme);
DicConsole.WriteLine("Partition description:");
DicConsole.WriteLine(partitions[i].Description);
if(options.SearchForFilesystems)
{
DicConsole.WriteLine("Identifying filesystem on partition");
Core.Filesystems.Identify(_imageFormat, out id_plugins, partitions[i]);
if(id_plugins.Count == 0)
DicConsole.WriteLine("Filesystem not identified");
else if(id_plugins.Count > 1)
{
DicConsole.WriteLine(string.Format("Identified by {0} plugins", id_plugins.Count));
foreach(string plugin_name in id_plugins)
{
if(plugins.PluginsList.TryGetValue(plugin_name, out _plugin))
{
DicConsole.WriteLine(string.Format("As identified by {0}.", _plugin.Name));
_plugin.GetInformation(_imageFormat, partitions[i], out information);
DicConsole.Write(information);
Core.Statistics.AddFilesystem(_plugin.XmlFSType.Type);
}
}
}
else
{
plugins.PluginsList.TryGetValue(id_plugins[0], out _plugin);
DicConsole.WriteLine(string.Format("Identified by {0}.", _plugin.Name));
_plugin.GetInformation(_imageFormat, partitions[i], out information);
DicConsole.Write(information);
Core.Statistics.AddFilesystem(_plugin.XmlFSType.Type);
}
}
}
}
}
if(checkraw)
{
Partition wholePart = new Partition
{
Name = "Whole device",
Length = _imageFormat.GetSectors(),
Size = _imageFormat.GetSectors() * _imageFormat.GetSectorSize()
};
Core.Filesystems.Identify(_imageFormat, out id_plugins, wholePart);
if(id_plugins.Count == 0)
DicConsole.WriteLine("Filesystem not identified");
else if(id_plugins.Count > 1)
{
DicConsole.WriteLine(string.Format("Identified by {0} plugins", id_plugins.Count));
foreach(string plugin_name in id_plugins)
{
if(plugins.PluginsList.TryGetValue(plugin_name, out _plugin))
{
DicConsole.WriteLine(string.Format("As identified by {0}.", _plugin.Name));
_plugin.GetInformation(_imageFormat, wholePart, out information);
DicConsole.Write(information);
Core.Statistics.AddFilesystem(_plugin.XmlFSType.Type);
}
}
}
else
{
plugins.PluginsList.TryGetValue(id_plugins[0], out _plugin);
DicConsole.WriteLine(string.Format("Identified by {0}.", _plugin.Name));
_plugin.GetInformation(_imageFormat, wholePart, out information);
DicConsole.Write(information);
Core.Statistics.AddFilesystem(_plugin.XmlFSType.Type);
}
}
}
catch(Exception ex)
{
DicConsole.ErrorWriteLine(string.Format("Error reading file: {0}", ex.Message));
DicConsole.DebugWriteLine("Analyze command", ex.StackTrace);
}
Core.Statistics.AddCommand("analyze");
}
}
}