Show IP addresses on control panel about screen

src/freedombone-app-pihole

@@ -66,9 +66,8 @@ function pihole_update {
         return
     fi
 
-    IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
-    IPv4_address=$(ip -o -f inet addr show dev "$IPv4dev" | awk '{print $4}' | awk 'END {print}')
-    IPv6_address=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
+    IPv4_address=$(get_ipv4_address)
+    IPv6_address=$(get_ipv6_address)
 
     setupVars=$piholeDir/setupVars.conf
     echo "piholeInterface=${PIHOLE_IFACE}" > ${setupVars}

src/freedombone-controlpanel

@@ -371,8 +371,17 @@ function show_tahoe_introducer {
     echo ''
 }
 
+function show_ip_addresses {
+    echo 'IP/DNS addresses'
+    echo '================'
+    echo ''
+    echo "IPv4: $(get_ipv4_address)    IPv6: $(get_ipv6_address)"
+    echo ''
+}
+
 function show_about {
     clear
+    show_ip_addresses
     show_domains
     show_mirrors_password
     show_tahoe_introducer

src/freedombone-utils-network

@@ -87,4 +87,13 @@ function install_static_network {
     mark_completed $FUNCNAME
 }
 
+function get_ipv4_address {
+    IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
+    echo $(ip -o -f inet addr show dev "$IPv4dev" | awk '{print $4}' | awk 'END {print}')
+}
+
+function get_ipv6_address {
+    echo $(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
+}
+
 # NOTE: deliberately no exit 0