use avahi for the default domain name on onion only installs

src/freedombone

         WIKI_DOMAIN_NAME='wiki.onion'
     fi
     if [ $DEFAULT_DOMAIN_NAME ]; then
-        DEFAULT_DOMAIN_NAME="${PROJECT_NAME}.onion"
+        DEFAULT_DOMAIN_NAME="${PROJECT_NAME}.local"
     fi
 }
 

src/freedombone-image

 # default SSH port
 SSH_PORT=2222
 
+# Whether sites are accessible only within a Tor browser
+ONION_ONLY="no"
+
 mesh_router_setup_script() {
     # create a setup script for a mesh router
     mesh_script_filename=$1
     shift
     VARIANT="$1"
     ;;
+    -o|--onion)
+    shift
+    ONION_ONLY="$1"
+    ;;
     *)
     # unknown option
     ;;
     SSH_PUBKEY="$SSH_PUBKEY" \
     GENERIC_IMAGE="$GENERIC_IMAGE" \
     MINIMAL_INSTALL="$MINIMAL_INSTALL" \
-    SSH_PORT="$SSH_PORT"
+    SSH_PORT="$SSH_PORT" \
+    ONION_ONLY="$ONION_ONLY"
 
 if [ ! "$?" = "0" ]; then
     echo $'Build failed'

src/freedombone-image-customise

 # default SSH port
 SSH_PORT=2222
 
+# Whether sites are accessible only within a Tor browser
+ONION_ONLY="no"
+
 enable_eatmydata_override() {
     chroot $rootdir apt-get install --no-install-recommends -y eatmydata
     if [ -x $rootdir/usr/bin/eatmydata ] && \

src/freedombone-image-make

 export GENERIC_IMAGE
 export MINIMAL_INSTALL
 export SSH_PORT
+export ONION_ONLY
 
 # Locate vmdebootstrap program fetched in Makefile
 basedir=`pwd`
 sudo sed -i "s|GENERIC_IMAGE=.*|GENERIC_IMAGE=${GENERIC_IMAGE}|g" $TEMP_CUSTOMISE
 sudo sed -i "s|MINIMAL_INSTALL=.*|MINIMAL_INSTALL=\"${MINIMAL_INSTALL}\"|g" $TEMP_CUSTOMISE
 sudo sed -i "s|SSH_PORT=.*|SSH_PORT=\"${SSH_PORT}\"|g" $TEMP_CUSTOMISE
+sudo sed -i "s|ONION_ONLY=.*|ONION_ONLY=\"${ONION_ONLY}\"|g" $TEMP_CUSTOMISE
 
 echo $"starting $VMDEBOOTSTRAP"
 # Run vmdebootstrap script to create image