Testing Windows impl.

DLL location and hardening issues

VirtualComputerWindows/VirtualComputerWindows/Exports.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 using VirtualBox;
@@ -9,12 +10,50 @@ namespace VirtualComputerWindows
 {
     public static class Exports
     {
-        [DllExport]
+        [DllImport(@"C:\Program Files\Oracle\VirtualBox\VBoxRT.dll", CallingConvention = CallingConvention.StdCall)]
-        public static VirtualBoxClass Init()
+        private static extern void RTR3InitExe(int argc, string argv, int zeroflags);
+        /*[DllImport(@"C:\Program Files\Oracle\VirtualBox\VBoxVMM.dll", CallingConvention = CallingConvention.StdCall)]
+        private static extern int VMMDoHmTest(IntPtr vmstruct);*/
+
+        private static VirtualBoxClient vbc;
+
+        public static async Task<IVirtualBox> Init() => await Task.Run(() =>
         {
-            var vbox = new VirtualBoxClass();
+            try
-            return vbox;
+            {
-            var machine = vbox.Machines.GetValue(0) as IMachine;
+                //Environment.SetEnvironmentVariable("VBOX_HOME", @"C:\Program Files\Oracle\VirtualBox\");
+                //TODO: Only finds the VBoxVMM.dll when placed in the VirtualBox dir (regardless of working dir)
+                //Even then there are hardening issues: VERR_SUPDRV_NOT_BUDDING_VM_PROCESS_1
+                //https://www.virtualbox.org/svn/vbox/trunk/src/VBox/HostDrivers/Support/win/SUPDrv-win.cpp
+                vbc = new VirtualBoxClientClass();
+                var vbox = vbc.VirtualBox;
+                RTR3InitExe(0, "", 0);
+                var ses = vbc.Session;
+                var machine = vbox.Machines.GetValue(0) as IMachine;
+                ses.Name = "minecraft";
+                machine.LockMachine(ses, LockType.LockType_VM);
+                Console.WriteLine("Locking...");
+                while (ses.State != SessionState.SessionState_Locked) ;
+                Console.WriteLine("Locked");
+                machine = ses.Machine;
+                Console.WriteLine("Powering up...");
+                ses.Console.PowerUp().WaitForCompletion(10000);
+                Console.WriteLine("Framebuffer attach");
+                ses.Console.Display.AttachFramebuffer(0, new VBFB(ses.Console.Display));
+                return vbox;
+            }
+            catch(Exception e)
+            {
+                Console.WriteLine(e);
+                Console.ReadLine();
+                return null;
+            }
+        });
+
+        public static void Main()
+        {
+            Init();
+            Console.ReadLine();
         }
     }
 }

VirtualComputerWindows/VirtualComputerWindows/VBFB.cs

@@ -0,0 +1,75 @@
+using System;
+using VirtualBox;
+
+namespace VirtualComputerWindows
+{
+    internal class VBFB : IFramebuffer
+    {
+        private IDisplay display;
+
+        public VBFB(IDisplay display)
+        {
+            this.display = display;
+        }
+
+        public void NotifyUpdate(uint aX, uint aY, uint aWidth, uint aHeight)
+        {
+            Console.WriteLine("Update: " + aX + " " + aY + " " + aWidth + " " + aHeight);
+        }
+
+        public void NotifyUpdateImage(uint aX, uint aY, uint aWidth, uint aHeight, Array aImage)
+        {
+            Console.WriteLine("UpdateImage: " + aX + " " + aY + " " + aWidth + " " + aHeight);
+        }
+
+        public void NotifyChange(uint aScreenId, uint aXOrigin, uint aYOrigin, uint aWidth, uint aHeight)
+        {
+            Console.WriteLine("Change: " + aXOrigin + " " + aYOrigin + " " + aWidth + " " + aHeight);
+            display.QuerySourceBitmap(0, out var isd);
+            var addr = new IntPtr();
+            isd.QueryBitmapInfo(addr, out var w, out var h, out var bpp, out var bpl, out var bf);
+            Console.WriteLine("Bitmap info: " + addr + " " + w + " " + h + " " + bpp + " " + bpl + " " + bf);
+        }
+
+        public int VideoModeSupported(uint aWidth, uint aHeight, uint aBpp)
+        {
+            return 1;
+        }
+
+        public uint GetVisibleRegion(ref byte aRectangles, uint aCount)
+        {
+            return aCount;
+        }
+
+        public void SetVisibleRegion(ref byte aRectangles, uint aCount)
+        {
+        }
+
+        public void ProcessVHWACommand(ref byte aCommand, int aEnmCmd, int aFromGuest)
+        {
+        }
+
+        public void Notify3DEvent(uint aType, Array aData)
+        {
+        }
+
+        public uint Width => 640;
+
+        public uint Height => 480;
+
+        public uint BitsPerPixel => 32;
+
+        public uint BytesPerLine => 640 * 4;
+
+        public BitmapFormat PixelFormat => BitmapFormat.BitmapFormat_BGRA;
+
+        public uint HeightReduction => 0;
+
+        public IFramebufferOverlay Overlay => null;
+
+        public long WinId => 0;
+
+        //public Array Capabilities => new[] { FramebufferCapabilities.FramebufferCapabilities_UpdateImage };
+        public Array Capabilities => new FramebufferCapabilities[] { };
+    }
+}

VirtualComputerWindows/VirtualComputerWindows/VirtualComputerWindows.csproj

@@ -5,7 +5,7 @@
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{5E734F17-FF74-4187-A6E4-B7E1DAB272F8}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>VirtualComputerWindows</RootNamespace>
     <AssemblyName>VirtualComputerWindows</AssemblyName>
@@ -44,6 +44,7 @@
     <PlatformTarget>AnyCPU</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
     <OutputPath>bin\x64\Release\</OutputPath>
@@ -72,6 +73,9 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <StartupObject />
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="DllExport, Version=1.5.2.30304, Culture=neutral, PublicKeyToken=8337224c9ad9e356, processorArchitecture=MSIL">
       <HintPath>..\packages\DllExport.1.5.2\lib\net20\DllExport.dll</HintPath>
@@ -93,6 +97,7 @@
   <ItemGroup>
     <Compile Include="Exports.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="VBFB.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />