AA: firewall3: rename to firewall, move into base system menu, update to git head with compatibility fixes for AA

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@36842 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 285 insertions, 0 deletions

diff --git a/package/firewall/Makefile b/package/firewall/Makefile
new file mode 100644
index 0000000000..18a86014cb
--- /dev/null
+++ b/package/firewall/Makefile
@@ -0,0 +1,66 @@
+#
+# Copyright (C) 2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=firewall
+PKG_VERSION:=2013-06-04
+PKG_RELEASE:=$(PKG_SOURCE_VERSION)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=git://nbd.name/firewall3.git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=5ee2129eaa23a28bfef6d20c273cafc0be559b3d
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_MAINTAINER:=Jo-Philipp Wich <jow@openwrt.org>
+
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/kernel.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/firewall
+  SECTION:=net
+  CATEGORY:=Base system
+  TITLE:=OpenWrt C Firewall
+  DEPENDS:=+libubox +libubus +libuci +libip4tc +IPV6:libip6tc +libxtables
+endef
+
+define Package/firewall/description
+ This package provides a config-compatible C implementation of the UCI firewall.
+endef
+
+define Package/firewall/conffiles
+/etc/config/firewall
+/etc/firewall.user
+endef
+
+define Build/Configure
+	$(foreach file,$(lastword $(wildcard $(KERNEL_BUILD_DIR)/iptables-*/extensions/libext.a)),$(CP) $(file) $(PKG_BUILD_DIR)/libext.a)
+	$(foreach file,$(lastword $(wildcard $(KERNEL_BUILD_DIR)/iptables-*/extensions/libext4.a)),$(CP) $(file) $(PKG_BUILD_DIR)/libext4.a)
+	$(foreach file,$(lastword $(wildcard $(KERNEL_BUILD_DIR)/iptables-*/extensions/libext6.a)),$(CP) $(file) $(PKG_BUILD_DIR)/libext6.a)
+	$(call Build/Configure/Default)
+endef
+
+TARGET_CFLAGS += -ffunction-sections -fdata-sections
+TARGET_LDFLAGS += -Wl,--gc-sections
+CMAKE_OPTIONS += $(if $(CONFIG_IPV6),,-DDISABLE_IPV6=1)
+
+define Package/firewall/install
+	$(INSTALL_DIR) $(1)/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/firewall3 $(1)/sbin/fw3
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_BIN) ./files/firewall.init $(1)/etc/init.d/firewall
+	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
+	$(INSTALL_DATA) ./files/firewall.hotplug $(1)/etc/hotplug.d/iface/20-firewall
+	$(INSTALL_DIR) $(1)/etc/config/
+	$(INSTALL_DATA) ./files/firewall.config $(1)/etc/config/firewall
+	$(INSTALL_DIR) $(1)/etc/
+	$(INSTALL_DATA) ./files/firewall.user $(1)/etc/firewall.user
+endef
+
+$(eval $(call BuildPackage,firewall))
diff --git a/package/firewall/files/firewall.config b/package/firewall/files/firewall.config
new file mode 100644
index 0000000000..acfb5e5abd
--- /dev/null
+++ b/package/firewall/files/firewall.config
@@ -0,0 +1,177 @@
+config defaults
+	option syn_flood	1
+	option input		ACCEPT
+	option output		ACCEPT
+	option forward		REJECT
+# Uncomment this line to disable ipv6 rules
+#	option disable_ipv6	1
+
+config zone
+	option name		lan
+	list   network		'lan'
+	option input		ACCEPT
+	option output		ACCEPT
+	option forward		REJECT
+
+config zone
+	option name		wan
+	list   network		'wan'
+	list   network		'wan6'
+	option input		REJECT
+	option output		ACCEPT
+	option forward		REJECT
+	option masq		1
+	option mtu_fix		1
+
+config forwarding
+	option src		lan
+	option dest		wan
+
+# We need to accept udp packets on port 68,
+# see https://dev.openwrt.org/ticket/4108
+config rule
+	option name		Allow-DHCP-Renew
+	option src		wan
+	option proto		udp
+	option dest_port	68
+	option target		ACCEPT
+	option family		ipv4
+
+# Allow IPv4 ping
+config rule
+	option name		Allow-Ping
+	option src		wan
+	option proto		icmp
+	option icmp_type	echo-request
+	option family		ipv4
+	option target		ACCEPT
+
+# Allow DHCPv6 replies
+# see https://dev.openwrt.org/ticket/10381
+config rule
+	option name		Allow-DHCPv6
+	option src		wan
+	option proto		udp
+	option src_ip		fe80::/10
+	option src_port		547
+	option dest_ip		fe80::/10
+	option dest_port	546
+	option family		ipv6
+	option target		ACCEPT
+
+# Allow essential incoming IPv6 ICMP traffic
+config rule
+	option name		Allow-ICMPv6-Input
+	option src		wan
+	option proto	icmp
+	list icmp_type		echo-request
+	list icmp_type		echo-reply
+	list icmp_type		destination-unreachable
+	list icmp_type		packet-too-big
+	list icmp_type		time-exceeded
+	list icmp_type		bad-header
+	list icmp_type		unknown-header-type
+	list icmp_type		router-solicitation
+	list icmp_type		neighbour-solicitation
+	list icmp_type		router-advertisement
+	list icmp_type		neighbour-advertisement
+	option limit		1000/sec
+	option family		ipv6
+	option target		ACCEPT
+
+# Allow essential forwarded IPv6 ICMP traffic
+config rule
+	option name		Allow-ICMPv6-Forward
+	option src		wan
+	option dest		*
+	option proto		icmp
+	list icmp_type		echo-request
+	list icmp_type		echo-reply
+	list icmp_type		destination-unreachable
+	list icmp_type		packet-too-big
+	list icmp_type		time-exceeded
+	list icmp_type		bad-header
+	list icmp_type		unknown-header-type
+	option limit		1000/sec
+	option family		ipv6
+	option target		ACCEPT
+
+# include a file with users custom iptables rules
+config include
+	option path /etc/firewall.user
+
+
+### EXAMPLE CONFIG SECTIONS
+# do not allow a specific ip to access wan
+#config rule
+#	option src		lan
+#	option src_ip	192.168.45.2
+#	option dest		wan
+#	option proto	tcp
+#	option target	REJECT
+
+# block a specific mac on wan
+#config rule
+#	option dest		wan
+#	option src_mac	00:11:22:33:44:66
+#	option target	REJECT
+
+# block incoming ICMP traffic on a zone
+#config rule
+#	option src		lan
+#	option proto	ICMP
+#	option target	DROP
+
+# port redirect port coming in on wan to lan
+#config redirect
+#	option src			wan
+#	option src_dport	80
+#	option dest			lan
+#	option dest_ip		192.168.16.235
+#	option dest_port	80
+#	option proto		tcp
+
+# port redirect of remapped ssh port (22001) on wan
+#config redirect
+#	option src		wan
+#	option src_dport	22001
+#	option dest		lan
+#	option dest_port	22
+#	option proto		tcp
+
+# allow IPsec/ESP and ISAKMP passthrough
+#config rule
+#	option src		wan
+#	option dest		lan
+#	option protocol		esp
+#	option target		ACCEPT
+
+#config rule
+#	option src		wan
+#	option dest		lan
+#	option src_port		500
+#	option dest_port	500
+#	option proto		udp
+#	option target		ACCEPT
+
+### FULL CONFIG SECTIONS
+#config rule
+#	option src		lan
+#	option src_ip	192.168.45.2
+#	option src_mac	00:11:22:33:44:55
+#	option src_port	80
+#	option dest		wan
+#	option dest_ip	194.25.2.129
+#	option dest_port	120
+#	option proto	tcp
+#	option target	REJECT
+
+#config redirect
+#	option src		lan
+#	option src_ip	192.168.45.2
+#	option src_mac	00:11:22:33:44:55
+#	option src_port		1024
+#	option src_dport	80
+#	option dest_ip	194.25.2.129
+#	option dest_port	120
+#	option proto	tcp
diff --git a/package/firewall/files/firewall.hotplug b/package/firewall/files/firewall.hotplug
new file mode 100644
index 0000000000..34f3afec9b
--- /dev/null
+++ b/package/firewall/files/firewall.hotplug
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+[ "$ACTION" = ifup ] || exit 0
+
+/etc/init.d/firewall enabled || exit 0
+
+fw3 -q network "$INTERFACE" >/dev/null || exit 0
+
+logger -t firewall "Reloading firewall due to ifup of $INTERFACE ($DEVICE)"
+fw3 -q reload
diff --git a/package/firewall/files/firewall.init b/package/firewall/files/firewall.init
new file mode 100755
index 0000000000..64e3a8c12b
--- /dev/null
+++ b/package/firewall/files/firewall.init
@@ -0,0 +1,25 @@
+#!/bin/sh /etc/rc.common
+
+START=19
+
+boot() {
+	# Be silent on boot, firewall might be started by hotplug already,
+	# so don't complain in syslog.
+	fw3 -q start
+}
+
+start() {
+	fw3 start
+}
+
+stop() {
+	fw3 flush
+}
+
+restart() {
+	fw3 restart
+}
+
+reload() {
+	fw3 reload
+}
diff --git a/package/firewall/files/firewall.user b/package/firewall/files/firewall.user
new file mode 100644
index 0000000000..6f799063f5
--- /dev/null
+++ b/package/firewall/files/firewall.user
@@ -0,0 +1,7 @@
+# This file is interpreted as shell script.
+# Put your custom iptables rules here, they will
+# be executed with each firewall (re-)start.
+
+# Internal uci firewall chains are flushed and recreated on reload, so
+# put custom rules into the root chains e.g. INPUT or FORWARD or into the
+# special user chains, e.g. input_wan_rule or postrouting_lan_rule.