dhcp: Check if GREEN_DEV and BLUE_DEV are actually set.

diff --git a/src/initscripts/init.d/dhcp b/src/initscripts/init.d/dhcp
index bc0abcee655a5697e66dc99a2dfa3758ee39d56b..083a555a3a5c9c01147d21f09d307e39fd30294c 100644 (file)
--- a/src/initscripts/init.d/dhcp
+++ b/src/initscripts/init.d/dhcp
@@ -20,13 +20,13 @@ case "$1" in
        start)
                flush_chains
 
-               if [ -e /var/ipfire/dhcp/enable_green ]; then
+               if [ -n "${GREEN_DEV}" -a -e "/var/ipfire/dhcp/enable_green" ]; then
                        devices="${GREEN_DEV}"
 
                        iptables -A DHCPGREENINPUT  -i "${GREEN_DEV}" -j DHCPINPUT
                        iptables -A DHCPGREENOUTPUT -o "${GREEN_DEV}" -j DHCPOUTPUT
                fi
-               if [ -e /var/ipfire/dhcp/enable_blue ]; then
+               if [ -n "${BLUE_DEV}" -a -e "/var/ipfire/dhcp/enable_blue" ]; then
                        devices+=" ${BLUE_DEV}"
 
                        iptables -A DHCPBLUEINPUT  -i "${BLUE_DEV}" -j DHCPINPUT
@@ -35,7 +35,7 @@ case "$1" in
 
                boot_mesg "Starting DHCP Server..."
                loadproc /usr/sbin/dhcpd -q ${devices}
-               
+
                (sleep 5 && chmod 644 /var/run/dhcpd.pid) & # Fix because silly dhcpd creates its pid with mode 640
                ;;