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-rw-r--r--package/firewall/files/lib/core_forwarding.sh40
1 files changed, 40 insertions, 0 deletions
diff --git a/package/firewall/files/lib/core_forwarding.sh b/package/firewall/files/lib/core_forwarding.sh
new file mode 100644
index 0000000000..766e48e38e
--- /dev/null
+++ b/package/firewall/files/lib/core_forwarding.sh
@@ -0,0 +1,40 @@
+# Copyright (C) 2009-2010 OpenWrt.org
+
+fw_config_get_forwarding() {
+ [ "${forwarding_NAME}" != "$1" ] || return
+ fw_config_get_section "$1" forwarding { \
+ string _name "$1" \
+ string name "" \
+ string src "" \
+ string dest "" \
+ } || return
+ [ -n "$forwarding_name" ] || forwarding_name=$forwarding__name
+}
+
+fw_load_forwarding() {
+ fw_config_get_forwarding "$1"
+
+ fw_callback pre forwarding
+
+ local chain=forward
+ [ -n "$forwarding_src" ] && {
+ chain=zone_${forwarding_src}_forward
+ }
+
+ local target=ACCEPT
+ [ -n "$forwarding_dest" ] && {
+ target=zone_${forwarding_dest}_ACCEPT
+ }
+
+ fw add i f $chain $target ^
+
+ # propagate masq zone flag
+ [ -n "$forwarding_src" ] && list_contains CONNTRACK_ZONES $forwarding_src && {
+ append CONNTRACK_ZONES $forwarding_dest
+ }
+ [ -n "$forwarding_dest" ] && list_contains CONNTRACK_ZONES $forwarding_dest && {
+ append CONNTRACK_ZONES $forwarding_src
+ }
+
+ fw_callback post forwarding
+}