Add security to Port text field to prevent other characters

TrackmaniaSpeedruns · Jun 30, 2022 · 4ae3334 · 4ae3334
1 parent a984516
commit 4ae3334
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Showing 2 changed files with 21 additions and 1 deletion.
diff --git a/UI/Components/Settings.Designer.cs b/UI/Components/Settings.Designer.cs
diff --git a/UI/Components/Settings.cs b/UI/Components/Settings.cs
@@ -27,7 +27,17 @@ public string GetIP()
         public string PortString
         {
             get { return Port.ToString(); }
-            set { Port = ushort.Parse(value); }
+            set
+            {
+                try
+                {
+                    Port = ushort.Parse(value);
+                }
+                catch (Exception)
+                {
+                    Port = 16934;
+                }
+            }
         }
 
         public Settings(ServerComponent component)
@@ -98,5 +108,14 @@ private void buttonStatus_Click(object sender, EventArgs e)
                 ServerComponent.Start();
             }
         }
+
+        private void txtPort_KeyPress(object sender, KeyPressEventArgs e)
+        {
+            // Verify that the pressed key isn't CTRL or any non-numeric digit
+            if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar) && (e.KeyChar != '.'))
+            {
+                e.Handled = true;
+            }
+        }
     }
 }