[gtk/untrusted-beep-3] x11: Don't beep on untrusted displays




commit 9c84f7645e487558cf44e5489d0face8cac3314d
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Apr 20 20:55:21 2021 -0400

    x11: Don't beep on untrusted displays
    
    This can trigger BadAccess, and we don't
    want that.
    
    Fixes: #3862

 gdk/x11/gdkdisplay-x11.c | 3 +++
 gdk/x11/gdkwindow-x11.c  | 3 +++
 2 files changed, 6 insertions(+)
---
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c
index 817944e3a5..7e08f472cc 100644
--- a/gdk/x11/gdkdisplay-x11.c
+++ b/gdk/x11/gdkdisplay-x11.c
@@ -1964,6 +1964,9 @@ _gdk_x11_display_update_grab_info_ungrab (GdkDisplay *display,
 static void
 gdk_x11_display_beep (GdkDisplay *display)
 {
+  if (!GDK_X11_DISPLAY (display)->trusted_client)
+    return;
+
 #ifdef HAVE_XKB
   XkbBell (GDK_DISPLAY_XDISPLAY (display), None, 0, None);
 #else
diff --git a/gdk/x11/gdkwindow-x11.c b/gdk/x11/gdkwindow-x11.c
index 38ff91da6d..721d9bb63a 100644
--- a/gdk/x11/gdkwindow-x11.c
+++ b/gdk/x11/gdkwindow-x11.c
@@ -5472,6 +5472,9 @@ gdk_x11_window_beep (GdkWindow *window)
 
   display = GDK_WINDOW_DISPLAY (window);
 
+  if (!GDK_X11_DISPLAY (display)->trusted_client)
+    return FALSE;
+
 #ifdef HAVE_XKB
   if (GDK_X11_DISPLAY (display)->use_xkb)
     {


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