openwrtv3/package/base-files/files/etc/hotplug.d/iface/10-routes

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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