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 "$1" \
   7                 string name "" \
   8                 string src "" \
   9                 string dest "" \
  10         } || return
  11         [ -n "$forwarding_name" ] || forwarding_name=$forwarding__name
  12 }
  13
  14 fw_load_forwarding() {
  15         fw_config_get_forwarding "$1"
  16
  17         fw_callback pre forwarding
  18
  19         local chain=forward
  20         [ -n "$forwarding_src" ] && {
  21                 chain=zone_${forwarding_src}_forward
  22         }
  23
  24         local target=ACCEPT
  25         [ -n "$forwarding_dest" ] && {
  26                 target=zone_${forwarding_dest}_ACCEPT
  27         }
  28
  29         fw add i f $chain $target ^
  30
  31         # propagate masq zone flag
  32         [ -n "$forwarding_src" ] && list_contains CONNTRACK_ZONES $forwarding_src && {
  33                 append CONNTRACK_ZONES $forwarding_dest
  34         }
  35         [ -n "$forwarding_dest" ] && list_contains CONNTRACK_ZONES $forwarding_dest && {
  36                 append CONNTRACK_ZONES $forwarding_src
  37         }
  38
  39         fw_callback post forwarding
  40 }