Harden Windows console VT modes

src/bin/dosh-client.rs

@@ -10541,14 +10541,20 @@ impl RawMode {
 
 #[cfg_attr(not(any(test, windows)), allow(dead_code))]
 fn windows_vt_output_mode(mode: u32) -> u32 {
+    const ENABLE_PROCESSED_OUTPUT: u32 = 0x0001;
     const ENABLE_VIRTUAL_TERMINAL_PROCESSING: u32 = 0x0004;
-    mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING
+    const DISABLE_NEWLINE_AUTO_RETURN: u32 = 0x0008;
+    mode | ENABLE_PROCESSED_OUTPUT
+        | ENABLE_VIRTUAL_TERMINAL_PROCESSING
+        | DISABLE_NEWLINE_AUTO_RETURN
 }
 
 #[cfg_attr(not(any(test, windows)), allow(dead_code))]
 fn windows_vt_input_mode(mode: u32) -> u32 {
+    const ENABLE_QUICK_EDIT_MODE: u32 = 0x0040;
+    const ENABLE_EXTENDED_FLAGS: u32 = 0x0080;
     const ENABLE_VIRTUAL_TERMINAL_INPUT: u32 = 0x0200;
-    mode | ENABLE_VIRTUAL_TERMINAL_INPUT
+    (mode | ENABLE_EXTENDED_FLAGS | ENABLE_VIRTUAL_TERMINAL_INPUT) & !ENABLE_QUICK_EDIT_MODE
 }
 
 #[cfg(windows)]
@@ -10878,16 +10884,23 @@ mod tests {
 
     #[test]
     fn windows_vt_output_mode_enables_ansi_sequences() {
-        assert_eq!(windows_vt_output_mode(0), 0x0004);
-        assert_eq!(windows_vt_output_mode(0x0001), 0x0005);
-        assert_eq!(windows_vt_output_mode(0x0005), 0x0005);
+        assert_eq!(windows_vt_output_mode(0), 0x000d);
+        assert_eq!(windows_vt_output_mode(0x0001), 0x000d);
+        assert_eq!(windows_vt_output_mode(0x0005), 0x000d);
+        assert_eq!(windows_vt_output_mode(0x000d), 0x000d);
     }
 
     #[test]
     fn windows_vt_input_mode_enables_escape_sequence_input() {
-        assert_eq!(windows_vt_input_mode(0), 0x0200);
-        assert_eq!(windows_vt_input_mode(0x0001), 0x0201);
-        assert_eq!(windows_vt_input_mode(0x0201), 0x0201);
+        assert_eq!(windows_vt_input_mode(0), 0x0280);
+        assert_eq!(windows_vt_input_mode(0x0001), 0x0281);
+        assert_eq!(windows_vt_input_mode(0x0201), 0x0281);
+        assert_eq!(
+            windows_vt_input_mode(0x0040),
+            0x0280,
+            "QuickEdit must be disabled so local selection cannot freeze Dosh input"
+        );
+        assert_eq!(windows_vt_input_mode(0x00c0), 0x0280);
     }
 
     #[test]