vpn-set-routing-split

#!/bin/sh

echo "set-routing-split"

# delete default route
ip route del default dev "$TUNDEV"
ip route del default via "$INTERNAL_IP4_ADDRESS" dev "$TUNDEV"

ip_route_add() {
  # ip incl netmask are just routed
  if echo "$1" | grep -q "/"; then
    # echo "routing: $1"
    ip route add "$1" via "$INTERNAL_IP4_ADDRESS" dev "$TUNDEV"
    return
  fi

  # skip processing for already routed ip
  ROUTE_DEV=$(ip route get "$1" | grep -oP "(?<=dev\s)[a-zA-Z0-9]+")
  if [ "$ROUTE_DEV" = "$TUNDEV" ]; then
    # echo "skipping: $1"
    return
  fi

  # echo "routing: $1"
  ip route add "$1" via "$INTERNAL_IP4_ADDRESS" dev "$TUNDEV"
}

# split routing rules
ip_route_add 10.0.0.0/8

# -- vpn-custom-routings -- START
# -- vpn-custom-routings -- END