# 
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# $Id$

include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=iptables
PKG_VERSION:=1.3.5
PKG_RELEASE:=1

PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:=http://www.netfilter.org/projects/iptables/files \
	ftp://ftp.be.netfilter.org/pub/netfilter/iptables/ \
	ftp://ftp.de.netfilter.org/pub/netfilter/iptables/ \
	ftp://ftp.no.netfilter.org/pub/netfilter/iptables/
PKG_MD5SUM:=00fb916fa8040ca992a5ace56d905ea5
PKG_CAT:=bzcat

PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install

PKG_MENU:=IPv4 / IPv6 firewall administration

include $(INCLUDE_DIR)/package.mk
ifeq ($(DUMP),)
-include $(LINUX_DIR)/.config
include $(INCLUDE_DIR)/netfilter.mk
endif

define Package/iptables
SECTION:=net
CATEGORY:=Base system
MENU:=1
DEFAULT:=y
TITLE:=IPv4 firewall administration tool
URL:=http://netfilter.org/
endef

define Package/iptables/conffiles
/etc/config/firewall
/etc/firewall.user
endef

define Package/iptables-mod-conntrack
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables +kmod-ipt-conntrack
TITLE:=connection tracking modules
DESCRIPTION:=iptables extensions for connection tracking \\\
Includes: \\\
	* libipt_conntrack \\\
	* libipt_helper \\\
	* libipt_connmark/CONNMARK
endef

define Package/iptables-mod-filter
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables +kmod-ipt-filter
TITLE:=filter modules
DESCRIPTION:=iptables extensions for packet content inspection\\\
Includes: \\\
	* libipt_ipp2p \\\
	* libipt_layer7 
endef

define Package/iptables-mod-imq
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables
TITLE:=IMQ support +kmod-imq
DESCRIPTION:=iptables extension for IMQ support\\\
Includes: \\\
	* libipt_IMQ
endef

define Package/iptables-mod-ipopt
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables +kmod-ipt-ipopt
TITLE:=IP/Packet option modules
DESCRIPTION:=iptables extensions for matching/changing IP packet options\\\
Includes: \\\
	* libipt_dscp/DSCP \\\
	* libipt_ecn/ECN \\\
	* libipt_length \\\
	* libipt_mac \\\
	* libipt_tos/TOS \\\
	* libipt_tcpmms \\\
	* libipt_ttl/TTL \\\
	* libipt_unclean 
endef

define Package/iptables-mod-ipsec
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables +kmod-ipt-ipsec
TITLE:=IPSec extensions
DESCRIPTION:=iptables extensions for matching ipsec traffic\\\
Includes: \\\
	* libipt_ah \\\
	* libipt_esp
endef

define Package/iptables-mod-nat
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables +kmod-ipt-nat
TITLE:=extra NAT targets
DESCRIPTION:=iptables extensions for different NAT targets\\\
Includes: \\\
	* libipt_REDIRECT
endef

define Package/iptables-mod-ulog
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables +kmod-ipt-ulog
TITLE:=user-space packet logging
DESCRIPTION:=iptables extensions for user-space packet logging\\\
Includes: \\\
	* libipt_ULOG
endef

define Package/iptables-mod-extra
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables +kmod-ipt-extra
TITLE:=other extra iptables extensions
DESCRIPTION:=other extra iptables extensions\\\
Includes: \\\
	* libipt_limit \\\
	* libipt_owner \\\
	* libipt_physdev \\\
	* libipt_pkttype \\\
	* libipt_recent
endef

define Package/iptables-utils
SECTION:=net
CATEGORY:=Base system
DEPENDS:=iptables
TITLE:=iptables save and restore utilities
endef

define Package/ip6tables
SECTION:=net
CATEGORY:=Base system
TITLE:=IPv6 firewall administration tool
endef


define Build/Configure
endef

define Build/Compile
	chmod a+x $(PKG_BUILD_DIR)/extensions/.*-test*
	mkdir -p $(PKG_INSTALL_DIR)
	$(MAKE) -C $(PKG_BUILD_DIR) \
		$(TARGET_CONFIGURE_OPTS) \
		COPT_FLAGS="$(TARGET_CFLAGS)" \
		KERNEL_DIR="$(LINUX_DIR)" PREFIX=/usr \
		DESTDIR="$(PKG_INSTALL_DIR)" \
		all install install-devel
endef


define Build/InstallDev
	$(MAKE) -C $(PKG_BUILD_DIR) \
		$(TARGET_CONFIGURE_OPTS) \
		COPT_FLAGS="$(TARGET_CFLAGS)" \
		KERNEL_DIR="$(LINUX_DIR)" PREFIX=/usr \
		DESTDIR="$(STAGING_DIR)" \
		install install-devel
endef

define Build/UninstallDev
	rm -rf $(STAGING_DIR)/usr/include/libipq.h
	rm -rf $(STAGING_DIR)/usr/lib/libipq.a
endef

		
define Package/iptables/install
	install -d -m0755 $(1)/etc/config
	install -m0644 ./files/firewall.config $(1)/etc/config/firewall
	install -d -m0755 $(1)/etc/init.d
	install -m0755 ./files/firewall.init $(1)/etc/init.d/S45firewall
	install -m0755 ./files/firewall.user $(1)/etc/
	install -d -m0755 $(1)/usr/lib
	install -m0644 ./files/firewall.awk $(1)/usr/lib
	install -d -m0755 $(1)/usr/sbin
	$(CP) $(PKG_INSTALL_DIR)/usr/sbin/iptables $(1)/usr/sbin/
	install -d -m0755 $(1)/usr/lib/iptables
	(cd $(PKG_INSTALL_DIR)/usr/lib/iptables ; \
		$(CP) $(patsubst %,lib%.so,$(IPT_BUILTIN:xt_%=ipt_%)) $(1)/usr/lib/iptables/ \
	)
endef

define Package/iptables-utils/install
	install -d -m0755 $(1)/usr/sbin
	$(CP) $(PKG_INSTALL_DIR)/usr/sbin/iptables-{save,restore} $(1)/usr/sbin/
endef

define Package/ip6tables/install
	install -d -m0755 $(1)/usr/sbin
	$(CP) $(PKG_INSTALL_DIR)/usr/sbin/ip6tables $(1)/usr/sbin/
	install -d -m0755 $(1)/usr/lib/iptables
	(cd $(PKG_INSTALL_DIR)/usr/lib/iptables ; \
		$(CP) libip6t_*.so $(1)/usr/lib/iptables/ \
	)
endef

define BuildPlugin
define Package/$(1)/install
	install -m0755 -d $$(1)/usr/lib/iptables
	for m in $$(patsubst xt_%,ipt_%,$(2)); do \
		$(CP) $(PKG_INSTALL_DIR)/usr/lib/iptables/lib$$$$$$$${m}.so $$(1)/usr/lib/iptables/ ; \
	done
	$(3)
endef

$$(eval $$(call BuildPackage,$(1)))
endef

L7_INSTALL:=mkdir -p $$(1)/etc/l7-protocols; \
	$(CP) files/l7/*.pat $$(1)/etc/l7-protocols/

$(eval $(call BuildPackage,iptables))
$(eval $(call BuildPackage,iptables-utils))
$(eval $(call BuildPlugin,iptables-mod-conntrack,$(IPT_CONNTRACK-m)))
$(eval $(call BuildPlugin,iptables-mod-extra,$(IPT_EXTRA-m)))
$(eval $(call BuildPlugin,iptables-mod-filter,$(IPT_FILTER-m),$(L7_INSTALL)))
$(eval $(call BuildPlugin,iptables-mod-imq,$(IPT_IMQ-m)))
$(eval $(call BuildPlugin,iptables-mod-ipopt,$(IPT_IPOPT-m)))
$(eval $(call BuildPlugin,iptables-mod-ipsec,$(IPT_IPSEC-m)))
$(eval $(call BuildPlugin,iptables-mod-nat,$(IPT_NAT-m)))
$(eval $(call BuildPlugin,iptables-mod-ulog,$(IPT_ULOG-m)))
$(eval $(call BuildPackage,ip6tables))
