Added checks and fixes

GiantsLauncher.csproj

@@ -51,6 +51,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
+    <None Include=".gitignore" />
     <None Include="App.config" />
   </ItemGroup>
   <ItemGroup>

Program.cs

@@ -36,6 +36,11 @@ namespace GiantsLauncher
                 string server_ok = "";
                 foreach (string server in SERVERS)
                 {
+                    if (server.Length > 15)
+                    {
+                        Console.WriteLine("Server {0} has length > 15, skipping.", server);
+                        continue;
+                    }
                     Console.WriteLine("Testing {0}", server);
                     if (TestServer(server))
                     {
@@ -53,8 +58,16 @@ namespace GiantsLauncher
                         Byte[] data = System.Text.Encoding.ASCII.GetBytes(server_ok);
                         writer.Seek(offset, SeekOrigin.Begin); //move cursor to the position
                         writer.Write(data);//write it
+                        // add padding
+                        for (int i = 0; i < 15 - data.Length; i++)
+                        {
+                            writer.Write((byte)0);//write it
                         }
                     }
+                } else
+                {
+                    Console.WriteLine("No working master server found... RIP.");
+                }
                 Process.Start(GIANTS_PATH);
             }
         }
@@ -133,6 +146,11 @@ namespace GiantsLauncher
                     return false;
                 }
 
+                if (!client.Connected)
+                {
+                    return false;
+                }
+
                 NetworkStream stream = client.GetStream();
 
                 // Buffer to store the response bytes.