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

   1 add_route() {
   2         local config="$1"
   3
   4         # is this route intended for the
   5         # $INTERFACE of this hotplug event
   6         config_get interface "$config" interface
   7         [ "$interface" != "$INTERFACE" ] && return 0
   8
   9         # get the real interface name from network config
  10         config_get dev "$interface" ifname
  11
  12         config_get target "$config" target
  13         config_get netmask "$config" netmask
  14         config_get gateway "$config" gateway
  15         config_get metric "$config" metric
  16
  17         # make sure there is a gateway and a target
  18         [ -n "$target" ] || {
  19                 echo "Missing target in route section $config"
  20                 return 1
  21         }
  22         [ -n "$gateway" ] || {
  23                 config_get gateway "$interface" gateway
  24         }
  25
  26         netmask="${netmask:-255.255.255.255}"
  27         dest="${netmask:+-net "$target" netmask "$netmask"}"
  28         dest="${dest:--host "$target"}"
  29
  30         /sbin/route add $dest gw "$gateway" ${dev:+dev "$dev"} ${metric:+ metric "$metric"}
  31 }
  32
  33 add_route6() {
  34         local config="$1"
  35
  36         # is this route intended for the
  37         # $INTERFACE of this hotplug event
  38         config_get interface "$config" interface
  39         [ "$interface" != "$INTERFACE" ] && return 0
  40
  41         # get the real interface name from network config
  42         config_get dev "$interface" ifname
  43
  44         config_get target "$config" target
  45         config_get gateway "$config" gateway
  46         config_get metric "$config" metric
  47
  48         # make sure there is a gateway and a target
  49         [ -n "$target" ] || {
  50                 echo "Missing target in route section $config"
  51                 return 1
  52         }
  53         [ -n "$gateway" ] || {
  54                 config_get gateway "$interface" gateway
  55         }
  56
  57         /sbin/route -A inet6 add $target ${gateway:+gw "$gateway"} ${dev:+dev "$dev"} ${metric:+ metric "$metric"}
  58 }
  59
  60 case "$ACTION" in
  61         ifup)
  62                 include /lib/network
  63                 scan_interfaces
  64                 config_foreach "add_route" route
  65                 config_foreach "add_route6" route6
  66         ;;
  67 esac