Utility now uses named pipe if passed --pipe. Installing mods now works properly too.

OpenRA.Launcher/ConfigureModsDialog.cs

@@ -41,9 +41,14 @@ namespace OpenRA.Launcher
 
 		Mod GetMetadata(string mod)
 		{
-			var response = UtilityProgram.Call("-i", mod);
+			string responseString;
-			if (response.IsError) return null;
+			using (var response = UtilityProgram.Call("-i", mod))
-			string[] lines = response.ResponseLines;
+			{
+				responseString = response.ReadToEnd();
+			}
+
+			if (Util.IsError(ref responseString)) return null;
+			string[] lines = responseString.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
 
 			string title = "", version = "", author = "", description = "", requires = "";
 			bool standalone = false;
@@ -83,12 +88,17 @@ namespace OpenRA.Launcher
 
 		void RefreshMods()
 		{
-			var response = UtilityProgram.Call("--list-mods");
+			string responseString;
+			using (var response = UtilityProgram.Call("--list-mods"))
+			{
+				responseString = response.ReadToEnd();
+			}
+
 			string[] mods;
-			if (!response.IsError)
+			if (!Util.IsError(ref responseString))
-				mods = response.ResponseLines;
+				mods = responseString.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
 			else
-				throw new Exception(string.Format("Could not list mods: {0}", response.Response));
+				throw new Exception(string.Format("Could not list mods: {0}", responseString));
 
 			allMods = mods.ToDictionary(x => x, x => GetMetadata(x));
 
@@ -98,8 +108,12 @@ namespace OpenRA.Launcher
 		private void InstallMod(object sender, EventArgs e)
 		{
 			if (installModDialog.ShowDialog() != DialogResult.OK) return;
-			UtilityProgram.CallWithAdmin("--install-mods", installModDialog.FileName);
+			using (var response = UtilityProgram.CallWithAdmin("--install-mod", installModDialog.FileName))
-			RefreshModTree(treeView1, allMods.Keys.ToArray());
+			{
+				string s = response.ReadToEnd();
+			}
+
+			RefreshMods();
 		}
 
 		void RefreshModTree(TreeView treeView, string[] modList)

OpenRA.Launcher/InstallPackagesDialog.cs

@@ -30,7 +30,7 @@ namespace OpenRA.Launcher
 
 		private void button2_Click(object sender, EventArgs e)
 		{
-			UtilityProgramResponse response = null;
+			StreamReader response = null;
 			if (radioButton1.Checked)
 				response = UtilityProgram.CallWithAdmin("--download-packages", mod);
 
@@ -41,11 +41,13 @@ namespace OpenRA.Launcher
 						folderBrowserDialog1.SelectedPath + Path.DirectorySeparatorChar);
 			}
 
-			if (response.IsError)
+			string s = response.ReadToEnd();
+			if (Util.IsError(ref s))
 				DialogResult = DialogResult.No;
 			else
 				DialogResult = DialogResult.OK;
 
+			response.Close();
 			Close();
 		}
 	}

OpenRA.Launcher/MainForm.cs

@@ -24,12 +24,14 @@ namespace OpenRA.Launcher
 		{
 			InitializeComponent();
 			quitButton.Click += (o, e) => { Application.Exit(); };
-			var response = UtilityProgram.Call("--settings-value", configPath, "Game.Mods");
+			using (var s = UtilityProgram.Call("--settings-value", configPath, "Game.Mods"))
-
+			{
-			if (response.IsError)
+				var response = s.ReadToEnd();
-				currentMods = new string[] { "ra" };
+				if (Util.IsError(ref response))
-			else
+					currentMods = new string[] { "ra" };
-				currentMods = response.Response.Split(',');
+				else
+					currentMods = response.Split(',');
+			}
 
 			UpdateModLabel();
 		}

OpenRA.Launcher/Util.cs

@@ -22,5 +22,17 @@ namespace OpenRA.Launcher
 			b.FlatStyle = FlatStyle.System;
 			SendMessage(b.Handle, BCM_SETSHIELD, 0, 0xFFFFFFFF);
 		}
+
+		static public bool IsError(ref string utilityResponseLine)
+		{
+			utilityResponseLine = utilityResponseLine.Trim('\r', '\n');
+			if (utilityResponseLine.StartsWith("Error:"))
+			{
+				utilityResponseLine = utilityResponseLine.Remove(0, 7);
+				return true;
+			}
+
+			return false;
+		}
 	}
 }

OpenRA.Launcher/UtilityProgram.cs

@@ -3,6 +3,7 @@ using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
 using System.Text;
+using System.IO.Pipes;
 
 namespace OpenRA.Launcher
 {
@@ -55,26 +56,26 @@ namespace OpenRA.Launcher
 			return arguments.ToString();
 		}
 
-		public static UtilityProgramResponse Call(string command, params string[] args)
+		public static StreamReader Call(string command, params string[] args)
 		{
 			Process p = new Process();
 			p.StartInfo.FileName = "OpenRA.Utility.exe";
-			p.StartInfo.Arguments = BuildArgs(command, args);
+			p.StartInfo.Arguments = BuildArgs(command, args) + " --pipe";
-			p.StartInfo.RedirectStandardOutput = true;
 			p.StartInfo.UseShellExecute = false;
 			p.StartInfo.CreateNoWindow = true;
-			
+						
 			p.Start();
 
-			return new UtilityProgramResponse(p.StandardOutput.ReadToEnd());
+			NamedPipeClientStream pipe = new NamedPipeClientStream(".", "OpenRA.Utility", PipeDirection.In);
+			pipe.Connect();
+			return new StreamReader(pipe);
 		}
 
-		public static UtilityProgramResponse CallWithAdmin(string command, params string[] args)
+		public static StreamReader CallWithAdmin(string command, params string[] args)
 		{
 			Process p = new Process();
 			p.StartInfo.FileName = "OpenRA.Utility.exe";
-			p.StartInfo.Arguments = BuildArgs(command, args);
+			p.StartInfo.Arguments = BuildArgs(command, args) + " --pipe";
-			p.StartInfo.CreateNoWindow = true;
 			p.StartInfo.Verb = "runas";
 
 			try
@@ -84,13 +85,16 @@ namespace OpenRA.Launcher
 			catch (Win32Exception e)
 			{
 				if (e.NativeErrorCode == 1223) //ERROR_CANCELLED
-					return new UtilityProgramResponse("Error: User cancelled elevation prompt.");
+					return null;
 				throw e;
 			}
 
+			NamedPipeClientStream pipe = new NamedPipeClientStream(".", "OpenRA.Utility", PipeDirection.In);
+			pipe.Connect();
+
 			p.WaitForExit();
 
-			return new UtilityProgramResponse(File.ReadAllText("output.txt"));
+			return new StreamReader(pipe);
 		}
 	}
 }

OpenRA.Utility/Program.cs

@@ -12,6 +12,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Security.Principal;
+using System.IO.Pipes;
 
 namespace OpenRA.Utility
 {
@@ -43,20 +44,27 @@ namespace OpenRA.Utility
 			argCallbacks.Add("--settings-value", Command.Settings);
 			argCallbacks.Add("--install-mod", Command.InstallMod);
 
-			WindowsIdentity id = WindowsIdentity.GetCurrent();
-			WindowsPrincipal p = new WindowsPrincipal(id);
-			if (p.IsInRole(WindowsBuiltInRole.Administrator))
-				Console.SetOut(new StreamWriter(File.Create("output.txt")));
-			
 			if (args.Length == 0) { PrintUsage(); return; }
 			var arg = SplitArgs(args[0]);
+
+			bool piping = false;
+			if (args.Length > 1 && args[1] == "--pipe")
+			{
+				piping = true;
+				var ps = new PipeSecurity();
+				ps.AddAccessRule(new PipeAccessRule("EVERYONE", PipeAccessRights.FullControl, System.Security.AccessControl.AccessControlType.Allow));
+				NamedPipeServerStream pipe = new NamedPipeServerStream("OpenRA.Utility", PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.None, 1024, 1024, ps);
+				pipe.WaitForConnection();
+				Console.SetOut(new StreamWriter(pipe) { AutoFlush = true });
+			}
+
 			ArgCallback callback;
 			if (argCallbacks.TryGetValue(arg.Key, out callback))
 				callback(arg.Value);
 			else
 				PrintUsage();
 
-			if (p.IsInRole(WindowsBuiltInRole.Administrator))
+			if (piping)
 				Console.Out.Close();
 		}
 

OpenRA.Utility/Util.cs

@@ -61,6 +61,8 @@ namespace OpenRA.Utility
 				if (!entry.IsFile) continue;
 
 				Console.WriteLine("Extracting {0}", entry.Name);
+				if (!Directory.Exists(Path.Combine(destPath, Path.GetDirectoryName(entry.Name))))
+					Directory.CreateDirectory(Path.Combine(destPath, Path.GetDirectoryName(entry.Name)));
 				using (var f = File.Create(destPath + Path.DirectorySeparatorChar + entry.Name))
 				{
 					int bufSize = 2048;