package/firewall/files/lib/core_forwarding.sh

   1 # Copyright (C) 2009-2010 OpenWrt.org
   2
   3 fw_config_get_forwarding() {
   4         [ "${forwarding_NAME}" != "$1" ] || return
   5         fw_config_get_section "$1" forwarding { \
   6                 string _name "$1" \
   7                 string name "" \
   8                 string src "" \
   9                 string dest "" \
  10                 string family "" \
  11         } || return
  12         [ -n "$forwarding_name" ] || forwarding_name=$forwarding__name
  13 }
  14
  15 fw_load_forwarding() {
  16         fw_config_get_forwarding "$1"
  17
  18         fw_callback pre forwarding
  19
  20         local chain=forward
  21         [ -n "$forwarding_src" ] && {
  22                 chain=zone_${forwarding_src}_forward
  23         }
  24
  25         local target=ACCEPT
  26         [ -n "$forwarding_dest" ] && {
  27                 target=zone_${forwarding_dest}_ACCEPT
  28         }
  29
  30         local mode=$(fw_get_family_mode ${forwarding_family:-x} ${forwarding_dest:-${forwarding_src:--}} i)
  31
  32         fw add $mode f $chain $target ^
  33
  34         # propagate masq zone flag
  35         [ -n "$forwarding_src" ] && list_contains FW_CONNTRACK_ZONES $forwarding_src && {
  36                 append FW_CONNTRACK_ZONES $forwarding_dest
  37         }
  38         [ -n "$forwarding_dest" ] && list_contains FW_CONNTRACK_ZONES $forwarding_dest && {
  39                 append FW_CONNTRACK_ZONES $forwarding_src
  40         }
  41
  42         fw_callback post forwarding
  43 }