Claude
e8ad3bbf0d
CRITICAL SECURITY FIXES: - Fix Ctrl+Alt+Del bypass vulnerability by restricting polkit permissions * Changed org.freedesktop.login1.* to specific power operations only * Prevents session/VT switching that bypassed kiosk security - Add X server ServerFlags to block dangerous key combinations * Disable VT switching (Ctrl+Alt+F1-F12) with DontVTSwitch * Disable X server kill (Ctrl+Alt+Backspace) with DontZap * Add AllowClosedownGrabs protection - Enhance LightDM greeter security settings COMPATIBILITY FIXES: - Fix autostart script errors ([[: not found) by converting bash-specific [[ ]] syntax to POSIX-compliant [ ] syntax - Fix xbindkeys errors by creating empty .xbindkeysrc file These fixes address: 1. Security vulnerability where Ctrl+Alt+Del could bypass password login 2. /home/kiosk/.config/openbox/autostart: 125: [[: not found errors 3. xbindkeys_autostart: line 24: CONF: unbound variable errors