OpenWrt / LEDE script to fix default routes.

fix-default-routes

#!/bin/ash

# OpenWrt / LEDE script to fix default routes.

if [ "$#" -ne 1 ]; then
  >&2 echo "usage: $0 interface [interface ...]"
  exit 1
fi

for arg in "$@"; do
  INTERFACE="$arg"
  uci get "network.${INTERFACE}.gateway" > /dev/null 2>&1 || exit

  GATEWAY=`uci get "network.${INTERFACE}.gateway"`
  METRIC=`uci get "network.${INTERFACE}.metric"`
  [ `ifstatus ${INTERFACE} | jsonfilter -e "@.up"` = true ] && OPERATION=add ||

  ip route $OPERATION default via $GATEWAY metric $METRIC
  #echo "ip route $OPERATION default via $GATEWAY metric $METRIC"
done