* DiscImageChef/Main.cs:

* DiscImageChef/Options.cs:
	* DiscImageChef/DiscImageChef.csproj:
	* DiscImageChef/Commands/DeviceInfo.cs:
	  Added "device-info" command.

	* DiscImageChef.Decoders/SCSI.cs:
	  Correct size miscalculation.
	Do not print "Device claims no standard", generates too much
	  noise.

	* DiscImageChef.Devices/Device/Constructor.cs:
	  Add OS error detection and handling.
	On Linux move to opening O_RDONLY and O_NONBLOCK to allow
	  opening read-only media and removable drives without media.

	* DiscImageChef.Devices/Device/Variables.cs:
	* DiscImageChef.Devices/Device/ScsiCommands.cs:
	  Add OS error detection and handling.

	* DiscImageChef.Devices/DiscImageChef.Devices.csproj:
	* DiscImageChef.Interop/DiscImageChef.Interop.csproj:
	  Downgraded .NET version.

DiscImageChef/ChangeLog

@@ -1,3 +1,11 @@
+2015-10-13  Natalia Portillo  <claunia@claunia.com>
+
+	* Main.cs:
+	* Options.cs:
+	* DiscImageChef.csproj:
+	* Commands/DeviceInfo.cs:
+	  Added "device-info" command.
+
 2015-10-12  Natalia Portillo  <claunia@claunia.com>
 
 	* DetectImageFormat.cs:

DiscImageChef/Commands/DeviceInfo.cs

@@ -0,0 +1,90 @@
+// /***************************************************************************
+// The Disc Image Chef
+// ----------------------------------------------------------------------------
+//
+// Filename       : DeviceInfo.cs
+// Version        : 1.0
+// Author(s)      : Natalia Portillo
+//
+// Component      : Component
+//
+// Revision       : $Revision$
+// Last change by : $Author$
+// Date           : $Date$
+//
+// --[ Description ] ----------------------------------------------------------
+//
+// Description
+//
+// --[ 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 (C) 2011-2015 Claunia.com
+// ****************************************************************************/
+// //$Id$
+using System;
+using DiscImageChef.Devices;
+using System.IO;
+
+namespace DiscImageChef.Commands
+{
+    public static class DeviceInfo
+    {
+        public static void doDeviceInfo(DeviceInfoSubOptions options)
+        {
+            if (MainClass.isDebug)
+            {
+                Console.WriteLine("--debug={0}", options.Debug);
+                Console.WriteLine("--verbose={0}", options.Verbose);
+                Console.WriteLine("--device={0}", options.DevicePath);
+            }
+
+            if (options.DevicePath.Length == 2 && options.DevicePath[1] == ':' &&
+                options.DevicePath[0] != '/' && Char.IsLetter(options.DevicePath[0]))
+            {
+                options.DevicePath = "\\\\.\\" + Char.ToUpper(options.DevicePath[0]) + ':';
+            }
+
+            Device dev = new Device(options.DevicePath);
+
+            if (dev.Error)
+            {
+                Console.WriteLine("Error {0} opening device.", dev.LastError);
+                return;
+            }
+
+            byte[] senseBuf;
+            byte[] inqBuf;
+
+            bool sense = dev.ScsiInquiry(out inqBuf, out senseBuf);
+
+            if(sense)
+            {
+                Console.WriteLine("SCSI error. Sense decoding not yet implemented.");
+
+                #if DEBUG
+                FileStream senseFs = File.Open("sense.bin", FileMode.OpenOrCreate);
+                senseFs.Write(senseBuf, 0, senseBuf.Length);
+                #endif
+            }
+            else
+                Console.WriteLine("SCSI OK");
+
+            Console.WriteLine("{0}", Decoders.SCSI.PrettifySCSIInquiry(inqBuf));
+        }
+    }
+}
+

DiscImageChef/DiscImageChef.csproj

@@ -51,6 +51,7 @@
     <Compile Include="Commands\Decode.cs" />
     <Compile Include="Commands\Entropy.cs" />
     <Compile Include="DetectImageFormat.cs" />
+    <Compile Include="Commands\DeviceInfo.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
@@ -171,5 +172,13 @@
       <Project>{0BEB3088-B634-4289-AE17-CDF2D25D00D5}</Project>
       <Name>DiscImageChef.Decoders</Name>
     </ProjectReference>
+    <ProjectReference Include="..\DiscImageChef.Devices\DiscImageChef.Devices.csproj">
+      <Project>{57BB2341-AB62-48FD-91B8-46F5A2F9ED51}</Project>
+      <Name>DiscImageChef.Devices</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\DiscImageChef.Interop\DiscImageChef.Interop.csproj">
+      <Project>{9183F2E0-A879-4F23-9EE3-C6908F1332B2}</Project>
+      <Name>DiscImageChef.Interop</Name>
+    </ProjectReference>
   </ItemGroup>
 </Project>

DiscImageChef/Main.cs

@@ -129,6 +129,12 @@ namespace DiscImageChef
                     isDebug = FormatsOptions.Debug;
                     Commands.Formats.ListFormats();
                     break;
+                case "device-info":
+                    DeviceInfoSubOptions DeviceInfoOptions = (DeviceInfoSubOptions)invokedVerbInstance;
+                    isVerbose = DeviceInfoOptions.Verbose;
+                    isDebug = DeviceInfoOptions.Debug;
+                    Commands.DeviceInfo.doDeviceInfo(DeviceInfoOptions);
+                    break;
                 default:
                     throw new ArgumentException("Should never arrive here!");
             }

DiscImageChef/Options.cs

@@ -214,6 +214,12 @@ namespace DiscImageChef
         public string InputFile { get; set; }
     }
 
+    public class DeviceInfoSubOptions : CommonSubOptions
+    {
+        [Option('i', "device", Required = true, HelpText = "Device path.")]
+        public string DevicePath { get; set; }
+    }
+
     public class FormatsSubOptions : CommonSubOptions
     {
     }
@@ -230,6 +236,7 @@ namespace DiscImageChef
             FormatsVerb = new FormatsSubOptions();
             PrintHexVerb = new PrintHexSubOptions();
             DecodeVerb = new DecodeSubOptions();
+            DeviceInfoVerb = new DeviceInfoSubOptions();
         }
 
         [VerbOption("analyze", HelpText = "Analyzes a disc image and searches for partitions and/or filesystems.")]
@@ -256,6 +263,9 @@ namespace DiscImageChef
         [VerbOption("formats", HelpText = "Lists all supported disc images, partition schemes and file systems.")]
         public FormatsSubOptions FormatsVerb { get; set; }
 
+        [VerbOption("device-info", HelpText = "Gets information about a device.")]
+        public DeviceInfoSubOptions DeviceInfoVerb { get; set; }
+
         [HelpVerbOption]
         public string DoHelpForVerb(string verbName)
         {