+++ /dev/null
-#
-# Copyright (C) 2006-2011 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=firewall-mod-save
-PKG_VERSION:=1.0
-PKG_RELEASE:=2
-
-PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/firewall-mod-save/Default
- SECTION:=libs
- CATEGORY:=Libraries
- TITLE:=Preserve dynamic chains during firewall restart
- MAINTAINER:=Daniel Dickinson <openwrt@cshore.neomailbox.net>
-endef
-
-define Package/firewall-mod-save
- $(call Package/firewall-mod-save/Default)
- DEPENDS:=+iptables
-endef
-
-define Package/firewall-mod-save/description
- Uses iptables-save to save the option chain in option table (default filter)
- as defined by the config section save in /etc/config/firewall.
-endef
-
-define Build/Prepare
-endef
-
-define Build/Configure
-endef
-
-define Build/Compile
-endef
-
-define Package/firewall-mod-save/install
- $(INSTALL_DIR) $(1)/lib/firewall
- $(INSTALL_DATA) ./files/20_save.sh $(1)/lib/firewall/
-endef
-
-$(eval $(call BuildPackage,firewall-mod-save))
-
+++ /dev/null
-#!/bin/sh
-
-. /lib/functions.sh
-
-save_print_table_chain() {
- local table="$1"
- local chain="$2"
- local fsave="$3"
- local fsavetmp="$fsave"".tmp"
- local next_table_line
- local cur_table_line
- local table_line
- table_line="$(($(grep -n "^*$table" "$fsave" | cut -f1 -d: ) + 1))"
- tail -n+$table_line $fsave >"$fsavetmp"
- for cur_table_line in $(grep -n "^*" "$fsavetmp"); do
- [ -z "$next_table_line" ] && {
- local lineno="$(echo $cur_table_line | cut -f1 -d:)"
- [ -n "$lineno" ] && [ "$lineno" -gt $(($table_line - 1)) ] && {
- next_table_line=$lineno
- }
- }
- done
- [ -z "$next_table_line" ] && {
- next_table_line="$(cat $fsavetmp|wc -l)"
- }
- next_table_line=$(($next_table_line - 1))
- head -n $next_table_line "$fsave.tmp" | grep $chain | grep -Ev "^:$chain"
- rm -f "$fsavetmp"
-}
-
-save_save_fw_chain() {
- local chain
- local table
- local fsave="/tmp/.firewall/save"
-
- config_get chain $1 chain
- config_get table $1 table filter
- [ -z "$chain" ] && return 0
- mkdir -p /tmp/.firewall
- iptables-save >"$fsave"
- save_print_table_chain $table $chain "$fsave" > /tmp/.firewall/save-$table-$chain
-
-}
-
-save_load_fw_chain() {
- local chain
- local table
-
- config_get chain $1 chain
- config_get table $1 table filter
- [ -e /tmp/.firewall/save-$table-$chain ] && [ "$(cat /tmp/.firewall/save-$table-$chain | wc -l)" -ge 1 ] && {
- iptables -t $table -N $chain
- while read line; do
- sh -c "iptables -t $table $line"
- done < /tmp/.firewall/save-$table-$chain
- rm /tmp/.firewall/save-$table-$chain
- }
-}
-
-save_pre_stop_cb() {
- echo "Saving dynamic firewall chains"
- config_load firewall
-
- config_foreach save_save_fw_chain save
-}
-
-save_post_core_cb() {
- echo "Loading dynamic firewall chains"
-
- config_load firewall
- config_foreach save_load_fw_chain save
-}
-