Add CLI patcher

UnionPatcher.Gui/MainForm.cs

@@ -13,6 +13,7 @@ namespace UnionPatcher.Gui {
 
             control.Click += delegate {
                 Console.WriteLine("patch button clicked");
+//                Program.Test();
             };
 
             return control;

UnionPatcher.Gui/UnionPatcher.Gui.csproj

@@ -9,4 +9,8 @@
       <PackageReference Include="Eto.Forms" Version="2.5.11" />
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\UnionPatcher\UnionPatcher.csproj" />
+    </ItemGroup>
+
 </Project>

UnionPatcher.sln

@@ -6,6 +6,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnionPatcher.Gui.Windows",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnionPatcher.Gui.Linux", "UnionPatcher.Gui.Linux\UnionPatcher.Gui.Linux.csproj", "{55DFA962-3EC5-44E4-9F93-FACF3E7EEBB2}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Gui", "Gui", "{59194212-45BB-4A27-A08F-54DB6ADA26B3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnionPatcher", "UnionPatcher\UnionPatcher.csproj", "{1CEC657B-5C05-44FB-941B-3C41411A7BB8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -24,5 +28,14 @@ Global
 		{55DFA962-3EC5-44E4-9F93-FACF3E7EEBB2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{55DFA962-3EC5-44E4-9F93-FACF3E7EEBB2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{55DFA962-3EC5-44E4-9F93-FACF3E7EEBB2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1CEC657B-5C05-44FB-941B-3C41411A7BB8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1CEC657B-5C05-44FB-941B-3C41411A7BB8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1CEC657B-5C05-44FB-941B-3C41411A7BB8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1CEC657B-5C05-44FB-941B-3C41411A7BB8}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{235B4DEC-11A0-42EF-9B8D-16529869ED1A} = {59194212-45BB-4A27-A08F-54DB6ADA26B3}
+		{55DFA962-3EC5-44E4-9F93-FACF3E7EEBB2} = {59194212-45BB-4A27-A08F-54DB6ADA26B3}
+		{5F8CDEA2-B483-40D1-B1FB-EF8EC667185A} = {59194212-45BB-4A27-A08F-54DB6ADA26B3}
 	EndGlobalSection
 EndGlobal

UnionPatcher/Patcher.cs

@@ -0,0 +1,51 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace UnionPatcher {
+    public static class Patcher {
+        private static readonly string[] ToBePatched = {
+            "https://littlebigplanetps3.online.scee.com:10061/LITTLEBIGPLANETPS3_XML",
+            "http://littlebigplanetps3.online.scee.com:10060/LITTLEBIGPLANETPS3_XML",
+        };
+        
+        public static void PatchFile(string fileName, string serverUrl, string outputFileName) {
+            File.WriteAllBytes(outputFileName, PatchData(File.ReadAllBytes(fileName), serverUrl));
+        }
+        
+        public static byte[] PatchData(byte[] data, string serverUrl) {
+            string dataAsString = Encoding.ASCII.GetString(data);
+
+            using MemoryStream ms = new(data);
+            using BinaryWriter writer = new(ms);
+
+            // using writer.Write(string) writes the length as a byte beforehand which is problematic
+            byte[] serverUrlAsBytes = Encoding.ASCII.GetBytes(serverUrl);
+            
+            foreach(string url in ToBePatched) {
+                if(serverUrl.Length > url.Length) {
+                    throw new ArgumentOutOfRangeException(nameof(serverUrl), $"Server URL ({serverUrl.Length} characters long) is above maximum length {url.Length}");
+                }
+                
+                int offset = dataAsString.IndexOf(url, StringComparison.Ordinal);
+                if(offset < 1) {
+                    Console.WriteLine($"URL {url} not found!");
+                    continue;
+                }
+
+                writer.BaseStream.Position = offset;
+                for(int i = 0; i < url.Length; i++) {
+                    writer.Write((byte)0x00); // Zero out data
+                }
+
+                writer.BaseStream.Position = offset; // Reset position to beginning
+                writer.Write(serverUrlAsBytes);
+            }
+
+            writer.Flush();
+            writer.Close();
+
+            return data;
+        }
+    }
+}

UnionPatcher/Program.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace UnionPatcher {
+    public static class Program {
+        public const string Version = "1.0";
+
+        private static string fileName;
+
+        public static string FileName {
+            get {
+                if(fileName != null) return fileName;
+
+                return fileName = Path.GetFileName(Process.GetCurrentProcess().MainModule?.FileName);
+            }
+        }
+        
+        public static void Main(string[] args) {
+            Patcher.PatchFile("EBOOT.elf", "https://lighthouse.lbpunion.com:10061/LITTLEBIGPLANETPS3_XML", "EBOOT.new.elf");
+            if(args.Length < 3) {
+                PrintHelp();
+                return;
+            }
+            
+        }
+
+        public static void PrintHelp() {
+            Console.WriteLine($"UnionPatcher {Version}");
+            Console.WriteLine($"    Usage: {FileName} <Input EBOOT.elf> <Server URL> <Output filename>");
+        }
+    }
+}

UnionPatcher/UnionPatcher.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net5.0</TargetFramework>
+    </PropertyGroup>
+
+</Project>