Add clacks from control panel

src/freedombone-app-vpn

     echo "accept = $VPN_TLS_PORT" >> $prefix/etc/stunnel/stunnel.conf
     echo 'connect = localhost:1194' >> $prefix/etc/stunnel/stunnel.conf
     echo 'cert = /etc/stunnel/stunnel.pem' >> $prefix/etc/stunnel/stunnel.conf
+    echo 'protocol = socks' >> $prefix/etc/stunnel/stunnel.conf
 
     sed -i 's|ENABLED=.*|ENABLED=1|g' $prefix/etc/default/stunnel4
 
     echo "accept = $STUNNEL_PORT" >> $prefix/etc/stunnel/stunnel-client.conf
     echo "connect = $DEFAULT_DOMAIN_NAME:$VPN_TLS_PORT" >> $prefix/etc/stunnel/stunnel-client.conf
     echo 'cert = stunnel.pem' >> $prefix/etc/stunnel/stunnel-client.conf
+    echo 'protocol = socks' >> $prefix/etc/stunnel/stunnel-client.conf
 
     echo '[Unit]' > $prefix/etc/systemd/system/stunnel.service
     echo 'Description=SSL tunnel for network daemons' >> $prefix/etc/systemd/system/stunnel.service

src/freedombone-controlpanel

     ${PROJECT_NAME}-wifi --disable $disable_wifi
 }
 
+function add_clacks {
+    clacks=
+
+    data=$(tempfile 2>/dev/null)
+    trap "rm -f $data" 0 1 2 5 15
+    dialog --title $"Add Clacks Overhead" \
+           --backtitle $"Freedombone Control Panel" \
+           --inputbox $"" 7 60 2>$data
+    sel=$?
+    case $sel in
+        0)
+            clacks=$(<$data)
+            if [ ${#clacks} -gt 1 ]; then
+
+                WEB_FILES=/etc/nginx/sites-available/*
+                for f in $WEB_FILES
+                do
+                    if grep -q "X-Clacks-Overhead" $f; then
+                        sed -i "s|X-Clacks-Overhead .*|X-Clacks-Overhead \"GNU $clacks\";|g" $f
+                    else
+                        sed -i "/X-Content-Type-Options/a add_header X-Clacks-Overhead \"GNU $clacks\";" $f
+                    fi
+                done
+
+                dialog --title $"Add Clacks Overhead" \
+                       --msgbox $"\nAdded for $clacks" 10 60
+            fi
+            ;;
+    esac
+    rm $data
+}
+
 function menu_wifi {
     if [[ "$(wifi_exists)" == "0" ]]; then
         dialog --title $"Wifi" \
         trap "rm -f $data" 0 1 2 5 15
         dialog --backtitle $"Freedombone Control Panel" \
                --title $"Control Panel" \
-               --radiolist $"Choose an operation:" 29 70 21 \
+               --radiolist $"Choose an operation:" 30 70 22 \
                1 $"About this system" off \
                2 $"Passwords" off \
                3 $"Backup and Restore" off \
                15 $"Change the name of this system" off \
                16 $"Set a static local IP address" off \
                17 $"Wifi menu" off \
-               18 $"Check for updates" off \
-               19 $"Power off the system" off \
-               20 $"Restart the system" off \
-               21 $"Exit" on 2> $data
+               18 $"Add Clacks" off \
+               19 $"Check for updates" off \
+               20 $"Power off the system" off \
+               21 $"Restart the system" off \
+               22 $"Exit" on 2> $data
         sel=$?
         case $sel in
             1) exit 1;;
             15) change_system_name;;
             16) set_static_IP;;
             17) menu_wifi;;
-            18) check_for_updates;;
-            19) shut_down_system;;
-            20) restart_system;;
-            21) break;;
+            18) add_clacks;;
+            19) check_for_updates;;
+            20) shut_down_system;;
+            21) restart_system;;
+            22) break;;
         esac
     done
 }