add_route() { local config="$1" # is this route intended for the # $INTERFACE of this hotplug event config_get interface "$config" interface [ "$interface" != "$INTERFACE" ] && return 0 # get the real interface name from network config config_get dev "$interface" ifname config_get target "$config" target config_get netmask "$config" netmask config_get gateway "$config" gateway config_get metric "$config" metric # make sure there is a gateway and a target [ -n "$target" ] || { echo "Missing target in route section $config" return 1 } [ -n "$gateway" ] || { echo "Missing gateway in route section $config" return 1 } netmask="${netmask:-255.255.255.255}" dest="${netmask:+-net "$target" netmask "$netmask"}" dest="${dest:--host "$target"}" /sbin/route add $dest gw "$gateway" ${dev:+dev "$dev"} ${metric:+ metric "$metric"} } case "$ACTION" in ifup) include /lib/network scan_interfaces config_foreach "add_route" route ;; esac