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-rw-r--r--package/network/config/firewall/Makefile59
-rw-r--r--package/network/config/firewall/files/firewall.config194
-rw-r--r--package/network/config/firewall/files/firewall.hotplug11
-rwxr-xr-xpackage/network/config/firewall/files/firewall.init61
-rw-r--r--package/network/config/firewall/files/firewall.user7
5 files changed, 332 insertions, 0 deletions
diff --git a/package/network/config/firewall/Makefile b/package/network/config/firewall/Makefile
new file mode 100644
index 0000000..15cfa31
--- /dev/null
+++ b/package/network/config/firewall/Makefile
@@ -0,0 +1,59 @@
+#
+# Copyright (C) 2013-2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=firewall
+PKG_VERSION:=2015-07-27
+PKG_RELEASE:=$(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:=980b7859bbd1db1e5e46422fccccbce38f9809ab
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_MAINTAINER:=Jo-Philipp Wich <jow@openwrt.org>
+PKG_LICENSE:=ISC
+
+
+include $(INCLUDE_DIR)/package.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 +kmod-ipt-core +kmod-ipt-conntrack +kmod-ipt-nat
+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
+
+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/network/config/firewall/files/firewall.config b/package/network/config/firewall/files/firewall.config
new file mode 100644
index 0000000..749dbec
--- /dev/null
+++ b/package/network/config/firewall/files/firewall.config
@@ -0,0 +1,194 @@
+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 ACCEPT
+
+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
+
+config rule
+ option name Allow-IGMP
+ option src wan
+ option proto igmp
+ 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 fc00::/6
+ option dest_ip fc00::/6
+ option dest_port 546
+ option family ipv6
+ option target ACCEPT
+
+config rule
+ option name Allow-MLD
+ option src wan
+ option proto icmp
+ option src_ip fe80::/10
+ list icmp_type '130/0'
+ list icmp_type '131/0'
+ list icmp_type '132/0'
+ list icmp_type '143/0'
+ 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 proto esp
+ option target ACCEPT
+
+config rule
+ option src wan
+ option dest lan
+ 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/network/config/firewall/files/firewall.hotplug b/package/network/config/firewall/files/firewall.hotplug
new file mode 100644
index 0000000..f1eab00
--- /dev/null
+++ b/package/network/config/firewall/files/firewall.hotplug
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+[ "$ACTION" = ifup -o "$ACTION" = ifupdate ] || exit 0
+[ "$ACTION" = ifupdate -a -z "$IFUPDATE_ADDRESSES" -a -z "$IFUPDATE_DATA" ] && exit 0
+
+/etc/init.d/firewall enabled || exit 0
+
+fw3 -q network "$INTERFACE" >/dev/null || exit 0
+
+logger -t firewall "Reloading firewall due to $ACTION of $INTERFACE ($DEVICE)"
+fw3 -q reload
diff --git a/package/network/config/firewall/files/firewall.init b/package/network/config/firewall/files/firewall.init
new file mode 100755
index 0000000..ee3ed1a
--- /dev/null
+++ b/package/network/config/firewall/files/firewall.init
@@ -0,0 +1,61 @@
+#!/bin/sh /etc/rc.common
+
+START=19
+USE_PROCD=1
+QUIET=""
+
+validate_firewall_redirect()
+{
+ uci_validate_section firewall redirect "${1}" \
+ 'proto:or(uinteger, string)' \
+ 'src:string' \
+ 'src_ip:cidr' \
+ 'src_dport:or(port, portrange)' \
+ 'dest:string' \
+ 'dest_ip:cidr' \
+ 'dest_port:or(port, portrange)' \
+ 'target:or("SNAT", "DNAT")'
+}
+
+validate_firewall_rule()
+{
+ uci_validate_section firewall rule "${1}" \
+ 'proto:or(uinteger, string)' \
+ 'src:string' \
+ 'dest:string' \
+ 'src_port:or(port, portrange)' \
+ 'dest_port:or(port, portrange)' \
+ 'target:string'
+}
+
+service_triggers() {
+ procd_add_reload_trigger firewall
+
+ procd_open_validate
+ validate_firewall_redirect
+ validate_firewall_rule
+ procd_close_validate
+}
+
+restart() {
+ fw3 restart
+}
+
+start_service() {
+ fw3 ${QUIET} start
+}
+
+stop_service() {
+ fw3 flush
+}
+
+reload_service() {
+ fw3 reload
+}
+
+boot() {
+ # Be silent on boot, firewall might be started by hotplug already,
+ # so don't complain in syslog.
+ QUIET=-q
+ start
+}
diff --git a/package/network/config/firewall/files/firewall.user b/package/network/config/firewall/files/firewall.user
new file mode 100644
index 0000000..6f79906
--- /dev/null
+++ b/package/network/config/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.
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-29 21:44:59 +0000