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" ] || { config_get gateway "$interface" gateway } # handle "0.0.0.0" and "interface" as "no gateway given" # to allow defining gateway-less routes while still # keeping the possibility to have static routes with a # proper gateway on interfaces with dynamic ips [ "$gateway" = "0.0.0.0" -o \ "$gateway" = "interface" ] && gateway="" dest="${netmask:+-net "$target" netmask "$netmask"}" dest="${dest:--host "$target"}" /sbin/route add $dest ${gateway:+gw "$gateway"} \ ${dev:+dev "$dev"} ${metric:+ metric "$metric"} } add_route6() { 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 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" ] || { config_get gateway "$interface" gateway } /sbin/route -A inet6 add $target ${gateway:+gw "$gateway"} \ ${dev:+dev "$dev"} ${metric:+ metric "$metric"} } case "$ACTION" in ifup) include /lib/network scan_interfaces config_foreach "add_route" route config_foreach "add_route6" route6 ;; esac