diff options
Diffstat (limited to 'package/network')
17 files changed, 0 insertions, 1961 deletions
diff --git a/package/network/config/firewall/Makefile b/package/network/config/firewall/Makefile deleted file mode 100644 index b7e7bba4a4..0000000000 --- a/package/network/config/firewall/Makefile +++ /dev/null @@ -1,58 +0,0 @@ -# -# Copyright (C) 2008-2013 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:=2 -PKG_RELEASE:=60 - -include $(INCLUDE_DIR)/package.mk - -define Package/firewall - SECTION:=net - CATEGORY:=Base system - URL:=http://openwrt.org/ - TITLE:=OpenWrt firewall - MAINTAINER:=Jo-Philipp Wich <xm@subsignal.org> - DEPENDS:=+iptables +kmod-ipt-conntrack +kmod-ipt-nat - PKGARCH:=all -endef - -define Package/firewall/description - UCI based firewall for OpenWrt -endef - -define Build/Compile - true -endef - -define Package/firewall/conffiles -/etc/config/firewall -/etc/firewall.user -endef - -define Package/firewall/install - $(INSTALL_DIR) $(1)/lib/firewall - $(INSTALL_DATA) ./files/lib/*.sh $(1)/lib/firewall - $(INSTALL_DIR) $(1)/sbin - $(INSTALL_BIN) ./files/bin/fw $(1)/sbin - $(INSTALL_DIR) $(1)/etc/config - $(INSTALL_DATA) ./files/firewall.config $(1)/etc/config/firewall - $(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/hotplug.d/firewall - $(INSTALL_DATA) ./files/reflection.hotplug $(1)/etc/hotplug.d/firewall/10-nat-reflection - $(INSTALL_DIR) $(1)/etc - $(INSTALL_DATA) ./files/firewall.user $(1)/etc - $(INSTALL_DIR) $(1)/lib/upgrade/keep.d - $(INSTALL_DATA) ./files/firewall.upgrade $(1)/lib/upgrade/keep.d/firewall -endef - -$(eval $(call BuildPackage,firewall)) diff --git a/package/network/config/firewall/files/bin/fw b/package/network/config/firewall/files/bin/fw deleted file mode 100644 index 5d20cc83ef..0000000000 --- a/package/network/config/firewall/files/bin/fw +++ /dev/null @@ -1,49 +0,0 @@ -#!/bin/sh -FW_LIBDIR=/lib/firewall - -. /lib/functions.sh -. ${FW_LIBDIR}/fw.sh - -case "$(type fw)" in - *function) ;; - *) exit 255;; -esac - -usage() { - echo $0 "<command>" "<family>" "<table>" "<chain>" "<target>" "{" "<rules>" "}" - exit 0 -} - -cmd=$1 -shift -case "$cmd" in - --help|help) usage ;; - start|stop|reload|restart) - . ${FW_LIBDIR}/core.sh - fw_$cmd - exit $? - ;; -esac - -fam=$1 -shift -case "$fam" in - ip) - fam=i - if [ $# -gt 2 ]; then - for p in $(seq 2 $(($# - 1))); do - if eval "[ \$$p == '}' ]"; then - fam=I - break - fi - done - fi ;; - ip4) fam=4 ;; - ip6) fam=6 ;; - arp) fam=a ;; - eth) fam=e ;; - -*) exec $0 $cmd ${fam##*-} "$@" ;; -esac - -fw "$cmd" "$fam" "$@" -exit $? diff --git a/package/network/config/firewall/files/firewall.config b/package/network/config/firewall/files/firewall.config deleted file mode 100644 index a87413904d..0000000000 --- a/package/network/config/firewall/files/firewall.config +++ /dev/null @@ -1,176 +0,0 @@ -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 - option network 'lan' - option input ACCEPT - option output ACCEPT - option forward REJECT - -config zone - option name wan - option network 'wan' - 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/network/config/firewall/files/firewall.hotplug b/package/network/config/firewall/files/firewall.hotplug deleted file mode 100644 index 52e7798485..0000000000 --- a/package/network/config/firewall/files/firewall.hotplug +++ /dev/null @@ -1,22 +0,0 @@ -#!/bin/sh -# This script is executed as part of the hotplug event with -# HOTPLUG_TYPE=iface, triggered by various scripts when an interface -# is configured (ACTION=ifup) or deconfigured (ACTION=ifdown). The -# interface is available as INTERFACE, the real device as DEVICE. - -[ "$DEVICE" == "lo" ] && exit 0 - -. /lib/functions.sh -. /lib/firewall/core.sh - -fw_init -fw_is_loaded || exit 0 - -case "$ACTION" in - ifup) - fw_configure_interface "$INTERFACE" add "$DEVICE" & - ;; - ifdown) - fw_configure_interface "$INTERFACE" del "$DEVICE" - ;; -esac diff --git a/package/network/config/firewall/files/firewall.init b/package/network/config/firewall/files/firewall.init deleted file mode 100755 index a2fd0a0e94..0000000000 --- a/package/network/config/firewall/files/firewall.init +++ /dev/null @@ -1,27 +0,0 @@ -#!/bin/sh /etc/rc.common -# Copyright (C) 2008-2010 OpenWrt.org - -START=45 - -FW_LIBDIR=/lib/firewall - -fw() { - . $FW_LIBDIR/core.sh - fw_$1 -} - -start() { - fw start -} - -stop() { - fw stop -} - -restart() { - fw restart -} - -reload() { - fw reload -} diff --git a/package/network/config/firewall/files/firewall.upgrade b/package/network/config/firewall/files/firewall.upgrade deleted file mode 100644 index 64f63eb390..0000000000 --- a/package/network/config/firewall/files/firewall.upgrade +++ /dev/null @@ -1 +0,0 @@ -/etc/firewall.user diff --git a/package/network/config/firewall/files/firewall.user b/package/network/config/firewall/files/firewall.user deleted file mode 100644 index 1ccbd01657..0000000000 --- a/package/network/config/firewall/files/firewall.user +++ /dev/null @@ -1,4 +0,0 @@ -# This file is interpreted as shell script. -# Put your custom iptables rules here, they will -# be executed with each firewall (re-)start. - diff --git a/package/network/config/firewall/files/lib/config.sh b/package/network/config/firewall/files/lib/config.sh deleted file mode 100644 index 8b2399fc8e..0000000000 --- a/package/network/config/firewall/files/lib/config.sh +++ /dev/null @@ -1,101 +0,0 @@ -# Copyright (C) 2009-2010 OpenWrt.org -# Copyright (C) 2009 Malte S. Stretz <http://msquadrat.de> -# -# This is a temporary file, I hope to have some of this stuff merged into -# /lib/functions.sh (without the fw_ prefix of course) one day. - -fw_config_append() { # <package> - CONFIG_APPEND=1 config_load "$@" - unset CONFIG_APPEND -} - -fw_config_once() { # <function> <type> - local func=$1 - local type=$2 - shift 2 - - local config=cfg00nil - fw_config__once() { - config=$1 - } - config_foreach fw_config__once "$type" - - $func $config "$@" -} - -fw_config_get_section() { # <config> <prefix> <type> <name> <default> ... - local config=$1 - local prefix=$2 - shift 2 - - [ -n "$config" ] || return 1 - [ -n "$prefix" ] && { - prefix="${prefix}_" - export ${NO_EXPORT:+-n} -- "${prefix}NAME"="${config}" - config_get "${prefix}TYPE" "$config" TYPE - } - - local enabled - config_get_bool enabled "$config" enabled 1 - [ $enabled -eq 1 ] || return 1 - - [ "$1" == '{' ] && shift - while [ $# -ge 3 ]; do - local type=$1 - local name=$2 - local dflt=$3 - shift 3 - # TODO: Move handling of defaults to /lib/functions.sh - # and get replace the case block with the following - # two lines: - # type=${type#string} - # config_get${type:+_${type}} "${prefix}${name}" "$config" "$name" "$dflt" || return - case "$type" in - string) - local tmp - config_get tmp "$config" "$name" || return - [ -z "$tmp" ] && tmp=$dflt - export ${NO_EXPORT:+-n} -- "${prefix}${name}=${tmp}" - continue - ;; - boolean) - type=bool - ;; - esac; - - local cmd=${prefix}config_get_${type} - type $cmd > /dev/null || { - cmd=config_get_${type} - } - type $cmd > /dev/null || { - echo "config type $type (for $name) not supported" >&2 - return 1 - } - $cmd "${prefix}${name}" "$config" "$name" "$dflt" || return - done -} - -config_get_ipaddr() { - local varn=$1 - local conf=$2 - local name=$3 - local dflt=$4 - - local addr - config_get addr "$conf" "$name" || return - [ -n "$addr" ] || addr=$dflt - - local mask=${addr#*/} - [ "$mask" != "$addr" ] || mask= - addr=${addr%/*} - - local vers= - case "$addr" in - *:*) vers=6; mask="${mask:-128}" ;; - *.*) vers=4; mask="${mask:-32}" ;; - esac - - export ${NO_EXPORT:+-n} -- "${varn}=${addr}" - export ${NO_EXPORT:+-n} -- "${varn}_prefixlen=${mask}" - export ${NO_EXPORT:+-n} -- "${varn}_version=${vers}" -} diff --git a/package/network/config/firewall/files/lib/core.sh b/package/network/config/firewall/files/lib/core.sh deleted file mode 100644 index 93d4d2e29b..0000000000 --- a/package/network/config/firewall/files/lib/core.sh +++ /dev/null @@ -1,159 +0,0 @@ -# Copyright (C) 2009-2010 OpenWrt.org - -FW_LIBDIR=${FW_LIBDIR:-/lib/firewall} - -. $FW_LIBDIR/fw.sh -include /lib/network - -fw_start() { - fw_init - - FW_DEFAULTS_APPLIED= - - fw_is_loaded && { - echo "firewall already loaded" >&2 - exit 1 - } - - uci_set_state firewall core "" firewall_state - - fw_clear DROP - - fw_callback pre core - - echo "Loading defaults" - fw_config_once fw_load_defaults defaults - - echo "Loading zones" - config_foreach fw_load_zone zone - - echo "Loading forwardings" - config_foreach fw_load_forwarding forwarding - - echo "Loading rules" - config_foreach fw_load_rule rule - - echo "Loading redirects" - config_foreach fw_load_redirect redirect - - echo "Loading includes" - config_foreach fw_load_include include - - [ -z "$FW_NOTRACK_DISABLED" ] && { - echo "Optimizing conntrack" - config_foreach fw_load_notrack_zone zone - } - - echo "Loading interfaces" - config_foreach fw_configure_interface interface add - - fw_callback post core - - uci_set_state firewall core zones "$FW_ZONES" - uci_set_state firewall core loaded 1 -} - -fw_stop() { - fw_init - - fw_callback pre stop - - local z n i - config_get z core zones - for z in $z; do - config_get n core "${z}_networks" - for n in $n; do - config_get i core "${n}_ifname" - [ -n "$i" ] && env -i ACTION=remove ZONE="$z" \ - INTERFACE="$n" DEVICE="$i" /sbin/hotplug-call firewall - done - - config_get i core "${z}_tcpmss" - [ "$i" == 1 ] && { - fw del i m FORWARD zone_${z}_MSSFIX - fw del i m zone_${z}_MSSFIX - } - done - - fw_clear ACCEPT - - fw_callback post stop - - uci_revert_state firewall - config_clear - - local h - for h in $FW_HOOKS; do unset $h; done - - unset FW_HOOKS - unset FW_INITIALIZED -} - -fw_restart() { - fw_stop - fw_start -} - -fw_reload() { - fw_restart -} - -fw_is_loaded() { - local bool=$(uci_get_state firewall.core.loaded) - return $((! ${bool:-0})) -} - - -fw_die() { - echo "Error:" "$@" >&2 - fw_log error "$@" - fw_stop - exit 1 -} - -fw_log() { - local level="$1" - [ -n "$2" ] && shift || level=notice - [ "$level" != error ] || echo "Error: $@" >&2 - logger -t firewall -p user.$level "$@" -} - - -fw_init() { - [ -z "$FW_INITIALIZED" ] || return 0 - - . $FW_LIBDIR/config.sh - - scan_interfaces - fw_config_append firewall - - local hooks="core stop defaults zone notrack synflood" - local file lib hk pp - for file in $FW_LIBDIR/core_*.sh; do - . $file - hk=$(basename $file .sh) - hk=${hk#core_} - append hooks $hk - done - for file in $FW_LIBDIR/*.sh; do - lib=$(basename $file .sh) - lib=${lib##[0-9][0-9]_} - case $lib in - core*|fw|config|uci_firewall) continue ;; - esac - . $file - for hk in $hooks; do - for pp in pre post; do - type ${lib}_${pp}_${hk}_cb >/dev/null && { - append FW_CB_${pp}_${hk} ${lib} - append FW_HOOKS FW_CB_${pp}_${hk} - } - done - done - done - - fw_callback post init - - FW_INITIALIZED=1 - return 0 -} diff --git a/package/network/config/firewall/files/lib/core_forwarding.sh b/package/network/config/firewall/files/lib/core_forwarding.sh deleted file mode 100644 index 2ea03f0eb7..0000000000 --- a/package/network/config/firewall/files/lib/core_forwarding.sh +++ /dev/null @@ -1,44 +0,0 @@ -# Copyright (C) 2009-2010 OpenWrt.org - -fw_config_get_forwarding() { - [ "${forwarding_NAME}" != "$1" ] || return - fw_config_get_section "$1" forwarding { \ - string _name "$1" \ - string name "" \ - string src "" \ - string dest "" \ - string family "" \ - } || return - [ -n "$forwarding_name" ] || forwarding_name=$forwarding__name -} - -fw_load_forwarding() { - fw_config_get_forwarding "$1" - - fw_callback pre forwarding - - local chain=delegate_forward - [ -n "$forwarding_src" ] && { - chain=zone_${forwarding_src}_forward - } - - local target=ACCEPT - [ -n "$forwarding_dest" ] && { - target=zone_${forwarding_dest}_dest_ACCEPT - } - - local mode - fw_get_family_mode mode ${forwarding_family:-x} ${forwarding_dest:-${forwarding_src:--}} i - - fw add $mode f $chain $target ^ - - # propagate masq zone flag - [ -n "$forwarding_src" ] && list_contains FW_CONNTRACK_ZONES $forwarding_src && { - append FW_CONNTRACK_ZONES $forwarding_dest - } - [ -n "$forwarding_dest" ] && list_contains FW_CONNTRACK_ZONES $forwarding_dest && { - append FW_CONNTRACK_ZONES $forwarding_src - } - - fw_callback post forwarding -} diff --git a/package/network/config/firewall/files/lib/core_init.sh b/package/network/config/firewall/files/lib/core_init.sh deleted file mode 100644 index 404a836901..0000000000 --- a/package/network/config/firewall/files/lib/core_init.sh +++ /dev/null @@ -1,361 +0,0 @@ -# Copyright (C) 2009-2011 OpenWrt.org -# Copyright (C) 2008 John Crispin <blogic@openwrt.org> - -FW_INITIALIZED= - -FW_ZONES= -FW_ZONES4= -FW_ZONES6= -FW_CONNTRACK_ZONES= -FW_NOTRACK_DISABLED= - -FW_DEFAULTS_APPLIED= -FW_ADD_CUSTOM_CHAINS= -FW_ACCEPT_REDIRECTS= -FW_ACCEPT_SRC_ROUTE= - -FW_DEFAULT_INPUT_POLICY=REJECT -FW_DEFAULT_OUTPUT_POLICY=REJECT -FW_DEFAULT_FORWARD_POLICY=REJECT - -FW_DISABLE_IPV4=0 -FW_DISABLE_IPV6=0 - - -fw_load_defaults() { - fw_config_get_section "$1" defaults { \ - string input $FW_DEFAULT_INPUT_POLICY \ - string output $FW_DEFAULT_OUTPUT_POLICY \ - string forward $FW_DEFAULT_FORWARD_POLICY \ - boolean drop_invalid 0 \ - boolean syn_flood 0 \ - boolean synflood_protect 0 \ - string synflood_rate 25 \ - string synflood_burst 50 \ - boolean tcp_syncookies 1 \ - boolean tcp_ecn 0 \ - boolean tcp_westwood 0 \ - boolean tcp_window_scaling 1 \ - boolean accept_redirects 0 \ - boolean accept_source_route 0 \ - boolean custom_chains 1 \ - boolean disable_ipv6 0 \ - } || return - [ -n "$FW_DEFAULTS_APPLIED" ] && { - fw_log error "duplicate defaults section detected, skipping" - return 1 - } - FW_DEFAULTS_APPLIED=1 - - FW_DEFAULT_INPUT_POLICY=$defaults_input - FW_DEFAULT_OUTPUT_POLICY=$defaults_output - FW_DEFAULT_FORWARD_POLICY=$defaults_forward - - FW_ADD_CUSTOM_CHAINS=$defaults_custom_chains - - FW_ACCEPT_REDIRECTS=$defaults_accept_redirects - FW_ACCEPT_SRC_ROUTE=$defaults_accept_source_route - - FW_DISABLE_IPV6=$defaults_disable_ipv6 - - fw_callback pre defaults - - # Seems like there are only one sysctl for both IP versions. - for s in syncookies ecn westwood window_scaling; do - eval "sysctl -e -w net.ipv4.tcp_${s}=\$defaults_tcp_${s}" >/dev/null - done - fw_sysctl_interface all - - fw add i f INPUT ACCEPT { -m conntrack --ctstate RELATED,ESTABLISHED } - fw add i f OUTPUT ACCEPT { -m conntrack --ctstate RELATED,ESTABLISHED } - fw add i f FORWARD ACCEPT { -m conntrack --ctstate RELATED,ESTABLISHED } - - [ $defaults_drop_invalid == 1 ] && { - fw add i f INPUT DROP { -m conntrack --ctstate INVALID } - fw add i f OUTPUT DROP { -m conntrack --ctstate INVALID } - fw add i f FORWARD DROP { -m conntrack --ctstate INVALID } - FW_NOTRACK_DISABLED=1 - } - - fw add i f INPUT ACCEPT { -i lo } - fw add i f OUTPUT ACCEPT { -o lo } - - # Compatibility to old 'syn_flood' parameter - [ $defaults_syn_flood == 1 ] && \ - defaults_synflood_protect=1 - - [ "${defaults_synflood_rate%/*}" == "$defaults_synflood_rate" ] && \ - defaults_synflood_rate="$defaults_synflood_rate/second" - - [ $defaults_synflood_protect == 1 ] && { - echo "Loading synflood protection" - fw_callback pre synflood - fw add i f syn_flood - fw add i f syn_flood RETURN { \ - -p tcp --syn \ - -m limit --limit "${defaults_synflood_rate}" --limit-burst "${defaults_synflood_burst}" \ - } - fw add i f syn_flood DROP - fw add i f INPUT syn_flood { -p tcp --syn } - fw_callback post synflood - } - - [ $defaults_custom_chains == 1 ] && { - echo "Adding custom chains" - fw add i f input_rule - fw add i f output_rule - fw add i f forwarding_rule - fw add i n prerouting_rule - fw add i n postrouting_rule - - fw add i f INPUT input_rule - fw add i f OUTPUT output_rule - fw add i f FORWARD forwarding_rule - fw add i n PREROUTING prerouting_rule - fw add i n POSTROUTING postrouting_rule - } - - fw add i f delegate_input - fw add i f delegate_output - fw add i f delegate_forward - - fw add i f INPUT delegate_input - fw add i f OUTPUT delegate_output - fw add i f FORWARD delegate_forward - - fw add i f reject - fw add i f reject REJECT { --reject-with tcp-reset -p tcp } - fw add i f reject REJECT { --reject-with port-unreach } - - fw_set_filter_policy - - fw_callback post defaults -} - - -fw_config_get_zone() { - [ "${zone_NAME}" != "$1" ] || return - fw_config_get_section "$1" zone { \ - string name "$1" \ - string network "" \ - string device "" \ - string subnet "" \ - string input "$FW_DEFAULT_INPUT_POLICY" \ - string output "$FW_DEFAULT_OUTPUT_POLICY" \ - string forward "$FW_DEFAULT_FORWARD_POLICY" \ - boolean masq 0 \ - string masq_src "" \ - string masq_dest "" \ - string extra "" \ - string extra_src "" \ - string extra_dest "" \ - boolean conntrack 0 \ - boolean mtu_fix 0 \ - boolean custom_chains 0 \ - boolean log 0 \ - string log_limit 10 \ - string family "" \ - } || return - [ -n "$zone_name" ] || zone_name=$zone_NAME - [ -n "$zone_extra_src" ] || zone_extra_src="$zone_extra" - [ -n "$zone_extra_dest" ] || zone_extra_dest="$zone_extra" - [ -n "$zone_network$zone_subnet$zone_device$zone_extra_src$zone_extra_dest" ] || zone_network=$zone_name -} - -fw_load_zone() { - fw_config_get_zone "$1" - - list_contains FW_ZONES $zone_name && { - fw_log error "zone ${zone_name}: duplicated zone, skipping" - return 0 - } - append FW_ZONES $zone_name - - fw_callback pre zone - - [ $zone_conntrack = 1 -o $zone_masq = 1 ] && \ - append FW_CONNTRACK_ZONES "$zone_name" - - local mode - case "$zone_family" in - *4) - mode=4 - append FW_ZONES4 $zone_name - uci_set_state firewall core ${zone_name}_ipv4 1 - ;; - *6) - mode=6 - append FW_ZONES6 $zone_name - uci_set_state firewall core ${zone_name}_ipv6 1 - ;; - *) - mode=i - append FW_ZONES4 $zone_name - append FW_ZONES6 $zone_name - uci_set_state firewall core ${zone_name}_ipv4 1 - uci_set_state firewall core ${zone_name}_ipv6 1 - ;; - esac - - local chain=zone_${zone_name} - - fw add $mode f ${chain}_src_ACCEPT - fw add $mode f ${chain}_src_DROP - fw add $mode f ${chain}_src_REJECT - - fw add $mode f ${chain}_dest_ACCEPT - fw add $mode f ${chain}_dest_DROP - fw add $mode f ${chain}_dest_REJECT - - fw add $mode f ${chain}_input - fw add $mode f ${chain}_input ${chain}_src_${zone_input} $ - - fw add $mode f ${chain}_forward - fw add $mode f ${chain}_forward ${chain}_dest_${zone_forward} $ - - fw add $mode f ${chain}_output - fw add $mode f ${chain}_output ${chain}_dest_${zone_output} $ - - # TODO: Rename to ${chain}_MASQUERADE - fw add $mode n ${chain}_nat - fw add $mode n ${chain}_prerouting - - fw add $mode r ${chain}_notrack - - [ $zone_mtu_fix == 1 ] && { - fw add $mode m ${chain}_MSSFIX - fw add $mode m FORWARD ${chain}_MSSFIX ^ - uci_set_state firewall core ${zone_name}_tcpmss 1 - } - - [ $zone_custom_chains == 1 ] && { - [ $FW_ADD_CUSTOM_CHAINS == 1 ] || \ - fw_die "zone ${zone_name}: custom_chains globally disabled" - - fw add $mode f input_${zone_name} - fw add $mode f ${chain}_input input_${zone_name} ^ - - fw add $mode f forwarding_${zone_name} - fw add $mode f ${chain}_forward forwarding_${zone_name} ^ - - fw add $mode n prerouting_${zone_name} - fw add $mode n ${chain}_prerouting prerouting_${zone_name} ^ - } - - [ "$zone_log" == 1 ] && { - [ "${zone_log_limit%/*}" == "$zone_log_limit" ] && \ - zone_log_limit="$zone_log_limit/minute" - - local t - for t in REJECT DROP; do - local d - for d in src dest; do - fw add $mode f ${chain}_${d}_${t} LOG ^ \ - { -m limit --limit $zone_log_limit --log-prefix "$t($d:$zone_name): " } - done - done - - [ $zone_mtu_fix == 1 ] && \ - fw add $mode m ${chain}_MSSFIX LOG ^ \ - { -p tcp --tcp-flags SYN,RST SYN -m limit --limit $zone_log_limit --log-prefix "MSSFIX($zone_name): " } - } - - # NB: if MASQUERADING for IPv6 becomes available we'll need a family check here - if [ "$zone_masq" == 1 ]; then - local msrc mdst - for msrc in ${zone_masq_src:-0.0.0.0/0}; do - case "$msrc" in - *.*) fw_get_negation msrc '-s' "$msrc" ;; - *) fw_get_subnet4 msrc '-s' "$msrc" || break ;; - esac - - for mdst in ${zone_masq_dest:-0.0.0.0/0}; do - case "$mdst" in - *.*) fw_get_negation mdst '-d' "$mdst" ;; - *) fw_get_subnet4 mdst '-d' "$mdst" || break ;; - esac - - fw add $mode n ${chain}_nat MASQUERADE $ { $msrc $mdst } - done - done - fi - - local dev - for dev in ${zone_device:-""}; do - local net - for net in ${zone_subnet:-""}; do - [ -n "$dev" ] || [ -n "$net" ] || continue - fw_do_interface_rules add "${zone_name}" "$dev" "$net" \ - "${zone_extra_src}" "${zone_extra_dest}" - done - done - - fw_callback post zone -} - -fw_load_notrack_zone() { - fw_config_get_zone "$1" - list_contains FW_CONNTRACK_ZONES "${zone_name}" && return - - fw_callback pre notrack - - fw add i r zone_${zone_name}_notrack NOTRACK $ - - fw_callback post notrack -} - - -fw_load_include() { - local name="$1" - - local path - config_get path ${name} path - - [ -e $path ] && ( - config() { - fw_log error "You cannot use UCI in firewall includes!" >&2 - exit 1 - } - . $path - ) -} - - -fw_clear() { - local policy=$1 - - fw_set_filter_policy $policy - - local tab - for tab in f n r; do - fw del i $tab - done -} - -fw_set_filter_policy() { - local policy=$1 - - local chn tgt - for chn in INPUT OUTPUT FORWARD; do - eval "tgt=\${policy:-\${FW_DEFAULT_${chn}_POLICY}}" - [ $tgt == "REJECT" ] && tgt=reject - [ $tgt == "ACCEPT" -o $tgt == "DROP" ] || { - fw add i f $chn $tgt $ - tgt=DROP - } - fw policy i f $chn $tgt - done -} - - -fw_callback() { - local pp=$1 - local hk=$2 - - local libs lib - eval "libs=\$FW_CB_${pp}_${hk}" - [ -n "$libs" ] || return - for lib in $libs; do - ${lib}_${pp}_${hk}_cb - done -} diff --git a/package/network/config/firewall/files/lib/core_interface.sh b/package/network/config/firewall/files/lib/core_interface.sh deleted file mode 100644 index 9138cbf0c4..0000000000 --- a/package/network/config/firewall/files/lib/core_interface.sh +++ /dev/null @@ -1,214 +0,0 @@ -# Copyright (C) 2009-2013 OpenWrt.org - -fw__uci_state_add() { - local var="$1" - local item="$2" - - local val="$(uci_get_state firewall core $var)" - local e1; for e1 in $item; do - local e2; for e2 in $val; do - [ "$e1" = "$e2" ] && e1="" - done - val="${val:+$val${e1:+ }}$e1" - done - - uci_toggle_state firewall core $var "$val" -} - -fw__uci_state_del() { - local var="$1" - local item="$2" - - local rest="" - local val="$(uci_get_state firewall core $var)" - local e1; for e1 in $val; do - local e2; for e2 in $item; do - [ "$e1" = "$e2" ] && e1="" - done - rest="${rest:+$rest${e1:+ }}$e1" - done - - uci_toggle_state firewall core $var "$rest" -} - -fw_do_interface_rules() { - local action=$1 - local zone=$2 - local chain=zone_${zone} - local ifname=$3 - local subnet=$4 - local extra_src="$5" - local extra_dest="$6" - - local idev odev inet onet mode - fw_get_family_mode mode x $zone i - - fw_get_negation idev '-i' "$ifname" - fw_get_negation odev '-o' "$ifname" - - case "$mode/$subnet" in - # Zone supports v6 only or dual, need v6 - G6/*:*|i/*:*) - fw_get_negation inet '-s' "$subnet" - fw_get_negation onet '-d' "$subnet" - mode=6 - ;; - - # Zone supports v4 only or dual, need v4 - G4/*.*.*.*|i/*.*.*.*) - fw_get_negation inet '-s' "$subnet" - fw_get_negation onet '-d' "$subnet" - mode=4 - ;; - - # Need v6 while zone is v4 - */*:*) fw_log info "zone $zone does not support IPv6 address family, skipping"; return ;; - - # Need v4 while zone is v6 - */*.*) fw_log info "zone $zone does not support IPv4 address family, skipping"; return ;; - - # Strip prefix - *) mode="${mode#G}" ;; - esac - - lock /var/run/firewall-interface.lock - - fw $action $mode f ${chain}_dest_ACCEPT ACCEPT $ { $odev $onet $extra_dest } - fw $action $mode f ${chain}_src_ACCEPT ACCEPT $ { $idev $inet $extra_src } - fw $action $mode f ${chain}_dest_DROP DROP $ { $odev $onet $extra_dest } - fw $action $mode f ${chain}_src_DROP DROP $ { $idev $inet $extra_src } - fw $action $mode f ${chain}_dest_REJECT reject $ { $odev $onet $extra_dest } - fw $action $mode f ${chain}_src_REJECT reject $ { $idev $inet $extra_src } - - [ "$(uci_get_state firewall core "${zone}_tcpmss")" == 1 ] && \ - fw $action $mode m ${chain}_MSSFIX TCPMSS $ \ - { $odev -p tcp --tcp-flags SYN,RST SYN --clamp-mss-to-pmtu $onet $extra_dest } - - fw $action $mode f delegate_input ${chain}_input $ { $idev $inet $extra_src } - fw $action $mode f delegate_forward ${chain}_forward $ { $idev $inet $extra_src } - fw $action $mode f delegate_output ${chain}_output $ { $odev $onet $extra_dest } - - fw $action $mode n PREROUTING ${chain}_prerouting $ { $idev $inet $extra_src } - fw $action $mode r PREROUTING ${chain}_notrack $ { $idev $inet $extra_src } - fw $action $mode n POSTROUTING ${chain}_nat $ { $odev $onet $extra_dest } - - # Flush conntrack table - echo f >/proc/net/nf_conntrack 2>/dev/null - - lock -u /var/run/firewall-interface.lock -} - -fw_configure_interface() { - local iface=$1 - local action=$2 - local ifname=$3 - local aliasnet=$4 - - [ "$action" == "add" ] && { - local status=$(uci_get_state network "$iface" up 0) - [ "$status" == 1 ] || [ -n "$aliasnet" ] || return 0 - } - - [ -n "$ifname" ] || { - ifname=$(uci_get_state network "$iface" ifname) - ifname="${ifname%%:*}" - [ -z "$ifname" ] && return 0 - } - - [ "$ifname" == "lo" ] && return 0 - - fw_callback pre interface - - local old_zones old_ifname old_subnets - config_get old_zones core "${iface}_zone" - [ -n "$old_zones" ] && { - config_get old_ifname core "${iface}_ifname" - config_get old_subnets core "${iface}_subnets" - - local z - for z in $old_zones; do - local n - for n in ${old_subnets:-""}; do - fw_log info "removing $iface ($old_ifname${n:+ alias $n}) from zone $z" - fw_do_interface_rules del $z $old_ifname $n - done - - [ -n "$old_subnets" ] || { - fw__uci_state_del "${z}_networks" "$iface" - env -i ACTION=remove ZONE="$z" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall - } - done - - local old_aliases - config_get old_aliases core "${iface}_aliases" - - local a - for a in $old_aliases; do - fw_configure_interface "$a" del "$old_ifname" - done - - uci_revert_state firewall core "${iface}_zone" - uci_revert_state firewall core "${iface}_ifname" - uci_revert_state firewall core "${iface}_subnets" - uci_revert_state firewall core "${iface}_aliases" - } - - [ "$action" == del ] && return - - [ -z "$aliasnet" ] && { - local aliases - config_get aliases "$iface" aliases - - local a - for a in $aliases; do - local ipaddr netmask ip6addr - config_get ipaddr "$a" ipaddr - config_get netmask "$a" netmask - config_get ip6addr "$a" ip6addr - - [ -n "$ipaddr" ] && fw_configure_interface "$a" add "" "$ipaddr${netmask:+/$netmask}" - [ -n "$ip6addr" ] && fw_configure_interface "$a" add "" "$ip6addr" - done - - fw_sysctl_interface $ifname - fw_callback post interface - - uci_toggle_state firewall core "${iface}_aliases" "$aliases" - } || { - local subnets= - config_get subnets core "${iface}_subnets" - append subnets "$aliasnet" - - config_set core "${iface}_subnets" "$subnets" - uci_toggle_state firewall core "${iface}_subnets" "$subnets" - } - - local new_zones= - load_zone() { - fw_config_get_zone "$1" - list_contains zone_network "$iface" || return - - fw_log info "adding $iface ($ifname${aliasnet:+ alias $aliasnet}) to zone $zone_name" - fw_do_interface_rules add ${zone_name} "$ifname" "$aliasnet" - append new_zones $zone_name - - [ -n "$aliasnet" ] || { - fw__uci_state_add "${zone_name}_networks" "${zone_network}" - env -i ACTION=add ZONE="$zone_name" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall - } - } - config_foreach load_zone zone - - uci_toggle_state firewall core "${iface}_zone" "$new_zones" - uci_toggle_state firewall core "${iface}_ifname" "$ifname" -} - -fw_sysctl_interface() { - local ifname=$1 - { - sysctl -w net.ipv4.conf.${ifname}.accept_redirects=$FW_ACCEPT_REDIRECTS - sysctl -w net.ipv6.conf.${ifname}.accept_redirects=$FW_ACCEPT_REDIRECTS - sysctl -w net.ipv4.conf.${ifname}.accept_source_route=$FW_ACCEPT_SRC_ROUTE - sysctl -w net.ipv6.conf.${ifname}.accept_source_route=$FW_ACCEPT_SRC_ROUTE - } >/dev/null 2>/dev/null -} diff --git a/package/network/config/firewall/files/lib/core_redirect.sh b/package/network/config/firewall/files/lib/core_redirect.sh deleted file mode 100644 index 9493bc6ae0..0000000000 --- a/package/network/config/firewall/files/lib/core_redirect.sh +++ /dev/null @@ -1,130 +0,0 @@ -# Copyright (C) 2009-2010 OpenWrt.org - -fw_config_get_redirect() { - [ "${redirect_NAME}" != "$1" ] || return - fw_config_get_section "$1" redirect { \ - string _name "$1" \ - string name "" \ - string src "" \ - ipaddr src_ip "" \ - ipaddr src_dip "" \ - string src_mac "" \ - string src_port "" \ - string src_dport "" \ - string dest "" \ - ipaddr dest_ip "" \ - string dest_port "" \ - string proto "tcpudp" \ - string family "" \ - string target "DNAT" \ - string extra "" \ - } || return - [ -n "$redirect_name" ] || redirect_name=$redirect__name -} - -fw_load_redirect() { - fw_config_get_redirect "$1" - - fw_callback pre redirect - - local fwdchain natchain natopt nataddr natports srcdaddr srcdports - if [ "$redirect_target" == "DNAT" ]; then - [ -n "${redirect_src#*}" -a -n "$redirect_dest_ip$redirect_dest_port" ] || { - fw_log error "DNAT redirect ${redirect_name}: needs src and dest_ip or dest_port, skipping" - return 0 - } - - fwdopt="" - fwdchain="" - - # Check whether only ports are given or whether the given dest ip is local, - # in this case match only DNATed traffic and allow it on input, not forward - if [ -z "$redirect_dest_ip" ] || /sbin/ifconfig | grep -qE "addr:${redirect_dest_ip//./\\.}\b"; then - fwdopt="-m conntrack --ctstate DNAT" - fwdchain="zone_${redirect_src}_input" - else - fwdchain="zone_${redirect_src}_forward" - fi - - natopt="--to-destination" - natchain="zone_${redirect_src}_prerouting" - nataddr="$redirect_dest_ip" - fw_get_port_range natports "${redirect_dest_port#!}" "-" - - fw_get_negation srcdaddr '-d' "${redirect_src_dip:+$redirect_src_dip/$redirect_src_dip_prefixlen}" - fw_get_port_range srcdports "$redirect_src_dport" ":" - fw_get_negation srcdports '--dport' "$srcdports" - - list_contains FW_CONNTRACK_ZONES $redirect_src || \ - append FW_CONNTRACK_ZONES $redirect_src - - elif [ "$redirect_target" == "SNAT" ]; then - [ -n "${redirect_dest#*}" -a -n "$redirect_src_dip" ] || { - fw_log error "SNAT redirect ${redirect_name}: needs dest and src_dip, skipping" - return 0 - } - - fwdchain="${redirect_src:+zone_${redirect_src}_forward}" - - natopt="--to-source" - natchain="zone_${redirect_dest}_nat" - nataddr="$redirect_src_dip" - fw_get_port_range natports "${redirect_src_dport#!}" "-" - - fw_get_negation srcdaddr '-d' "${redirect_dest_ip:+$redirect_dest_ip/$redirect_dest_ip_prefixlen}" - fw_get_port_range srcdports "$redirect_dest_port" ":" - fw_get_negation srcdports '--dport' "$srcdports" - - list_contains FW_CONNTRACK_ZONES $redirect_dest || \ - append FW_CONNTRACK_ZONES $redirect_dest - - else - fw_log error "redirect ${redirect_name}: target must be either DNAT or SNAT, skipping" - return 0 - fi - - local mode - fw_get_family_mode mode ${redirect_family:-x} ${redirect_src:-$redirect_dest} I - - local srcaddr - fw_get_negation srcaddr '-s' "${redirect_src_ip:+$redirect_src_ip/$redirect_src_ip_prefixlen}" - - local srcports - fw_get_port_range srcports "$redirect_src_port" ":" - fw_get_negation srcports '--sport' "$srcports" - - local destaddr - fw_get_negation destaddr '-d' "${redirect_dest_ip:+$redirect_dest_ip/$redirect_dest_ip_prefixlen}" - - local destports - fw_get_port_range destports "${redirect_dest_port:-$redirect_src_dport}" ":" - fw_get_negation destports '--dport' "$destports" - - [ "$redirect_proto" == "tcpudp" ] && redirect_proto="tcp udp" - local pr; for pr in $redirect_proto; do - fw_get_negation pr '-p' "$pr" - local sm; for sm in ${redirect_src_mac:-""}; do - fw_get_negation sm '--mac-source' "$sm" - fw add $mode n $natchain $redirect_target + \ - { $redirect_src_ip $redirect_dest_ip } { \ - $srcaddr $srcdaddr $pr \ - $srcports $srcdports \ - ${sm:+-m mac $sm} \ - $natopt $nataddr${natports:+:$natports} \ - $redirect_options \ - } - - fw add $mode f ${fwdchain:-delegate_forward} ACCEPT + \ - { $redirect_src_ip $redirect_dest_ip } { \ - $srcaddr $destaddr \ - $pr \ - $srcports $destports \ - ${sm:+-m mac $sm} \ - $fwdopt \ - $redirect_extra \ - } - done - done - - fw_callback post redirect -} diff --git a/package/network/config/firewall/files/lib/core_rule.sh b/package/network/config/firewall/files/lib/core_rule.sh deleted file mode 100644 index 0ce2122be4..0000000000 --- a/package/network/config/firewall/files/lib/core_rule.sh +++ /dev/null @@ -1,117 +0,0 @@ -# Copyright (C) 2009-2010 OpenWrt.org - -fw_config_get_rule() { - [ "${rule_NAME}" != "$1" ] || return - fw_config_get_section "$1" rule { \ - string _name "$1" \ - string name "" \ - string src "" \ - ipaddr src_ip "" \ - string src_mac "" \ - string src_port "" \ - string dest "" \ - ipaddr dest_ip "" \ - string dest_port "" \ - string icmp_type "" \ - string proto "tcpudp" \ - string target "" \ - string family "" \ - string limit "" \ - string limit_burst "" \ - string extra "" \ - } || return - [ -n "$rule_name" ] || rule_name=$rule__name -} - -fw_load_rule() { - fw_config_get_rule "$1" - - [ "$rule_target" != "NOTRACK" ] || [ -n "$rule_src" ] || [ "$rule_src" != "*" ] || { - fw_log error "NOTRACK rule ${rule_name}: needs src, skipping" - return 0 - } - - fw_callback pre rule - - local table=f - local chain=delegate_output - local target="${rule_target:-REJECT}" - if [ "$target" == "NOTRACK" ]; then - table=r - chain="zone_${rule_src}_notrack" - else - if [ -n "$rule_src" ]; then - if [ "$rule_src" != "*" ]; then - if [ -n "$rule_dest" ]; then - chain="zone_${rule_src}_forward" - else - chain="zone_${rule_src}_input" - fi - else - chain="${rule_dest:+delegate_forward}" - chain="${chain:-delegate_input}" - fi - fi - - if [ -n "$rule_dest" ]; then - if [ "$rule_dest" != "*" ]; then - target="zone_${rule_dest}_dest_${target}" - if [ -z "$rule_src" ]; then - chain="zone_${rule_dest}_output" - fi - elif [ "$target" = REJECT ]; then - target=reject - fi - fi - fi - - local mode - fw_get_family_mode mode ${rule_family:-x} "$rule_src" I - - local src_spec dest_spec - fw_get_negation src_spec '-s' "${rule_src_ip:+$rule_src_ip/$rule_src_ip_prefixlen}" - fw_get_negation dest_spec '-d' "${rule_dest_ip:+$rule_dest_ip/$rule_dest_ip_prefixlen}" - - [ "$rule_proto" == "tcpudp" ] && rule_proto="tcp udp" - local pr; for pr in $rule_proto; do - local sports dports itypes - case "$pr" in - icmp|icmpv6|1|58) - sports=""; dports="" - itypes="$rule_icmp_type" - ;; - *) - sports="$rule_src_port" - dports="$rule_dest_port" - itypes="" - ;; - esac - - fw_get_negation pr '-p' "$pr" - local sp; for sp in ${sports:-""}; do - fw_get_port_range sp $sp - fw_get_negation sp '--sport' "$sp" - local dp; for dp in ${dports:-""}; do - fw_get_port_range dp $dp - fw_get_negation dp '--dport' "$dp" - local sm; for sm in ${rule_src_mac:-""}; do - fw_get_negation sm '--mac-source' "$sm" - local it; for it in ${itypes:-""}; do - fw_get_negation it '--icmp-type' "$it" - fw add $mode $table $chain $target + \ - { $rule_src_ip $rule_dest_ip } { \ - $src_spec $dest_spec \ - $pr $sp $dp $it \ - ${sm:+-m mac $sm} \ - ${rule_limit:+-m limit --limit $rule_limit \ - ${rule_limit_burst:+--limit-burst $rule_limit_burst}} \ - $rule_extra \ - } - done - done - done - done - done - - fw_callback post rule -} diff --git a/package/network/config/firewall/files/lib/fw.sh b/package/network/config/firewall/files/lib/fw.sh deleted file mode 100644 index ca851e81c0..0000000000 --- a/package/network/config/firewall/files/lib/fw.sh +++ /dev/null @@ -1,324 +0,0 @@ -# Copyright (C) 2009-2010 OpenWrt.org -# Copyright (C) 2009 Malte S. Stretz - -export FW_4_ERROR=0 -export FW_6_ERROR=0 -export FW_i_ERROR=0 -export FW_e_ERROR=0 -export FW_a_ERROR=0 - -#TODO: remove this -[ "${-#*x}" == "$-" ] && { - fw() { - fw__exec "$@" - } -} || { - fw() { - local os=$- - set +x - fw__exec "$@" - local rc=$? - set -$os - return $rc - } -} - -fw__exec() { # <action> <family> <table> <chain> <target> <position> { <rules> } - local cmd fam tab chn tgt pos - local i - for i in cmd fam tab chn tgt pos; do - if [ "$1" -a "$1" != '{' ]; then - eval "$i='$1'" - shift - else - eval "$i=-" - fi - done - - fw__rc() { - export FW_${fam#G}_ERROR=$1 - return $1 - } - - fw__dualip() { - fw $cmd 4 $tab $chn $tgt $pos "$@" - fw $cmd 6 $tab $chn $tgt $pos "$@" - fw__rc $((FW_4_ERROR | FW_6_ERROR)) - } - - fw__autoip() { - local ip4 ip6 - shift - while [ "$1" != '}' ]; do - case "$1" in - *:*) ip6=1 ;; - *.*.*.*) ip4=1 ;; - esac - shift - done - shift - if [ "${ip4:-4}" == "${ip6:-6}" ]; then - echo "fw: can't mix ip4 and ip6" >&2 - return 1 - fi - local ver=${ip4:+4}${ip6:+6} - fam=i - fw $cmd ${ver:-i} $tab $chn $tgt $pos "$@" - fw__rc $? - } - - fw__has() { - local tab=${1:-$tab} - if [ $tab == '-' ]; then - type $app > /dev/null 2> /dev/null - fw__rc $(($? & 1)) - return - fi - [ "$app" != ip6tables ] || [ "$tab" != nat ] - fw__rc $? - } - - fw__err() { - local err - eval "err=\$FW_${fam}_ERROR" - fw__rc $err - } - - local app= - local pol= - case "$fam" in - *4) [ $FW_DISABLE_IPV4 == 0 ] && app=iptables || return ;; - *6) [ $FW_DISABLE_IPV6 == 0 ] && app=ip6tables || return ;; - i) fw__dualip "$@"; return ;; - I) fw__autoip "$@"; return ;; - e) app=ebtables ;; - a) app=arptables ;; - -) fw $cmd i $tab $chn $tgt $pos "$@"; return ;; - *) return 254 ;; - esac - case "$tab" in - f) tab=filter ;; - m) tab=mangle ;; - n) tab=nat ;; - r) tab=raw ;; - -) tab=filter ;; - esac - case "$cmd:$chn:$tgt:$pos" in - add:*:-:*) cmd=new-chain ;; - add:*:*:-) cmd=append ;; - add:*:*:$) cmd=append ;; - add:*:*:*) cmd=insert ;; - del:-:*:*) cmd=delete-chain; fw flush $fam $tab ;; - del:*:-:*) cmd=delete-chain; fw flush $fam $tab $chn ;; - del:*:*:*) cmd=delete ;; - flush:*) ;; - policy:*) pol=$tgt; tgt=- ;; - has:*) fw__has; return ;; - err:*) fw__err; return ;; - list:*) cmd="numeric --verbose --$cmd" ;; - *) return 254 ;; - esac - case "$chn" in - -) chn= ;; - esac - case "$tgt" in - -) tgt= ;; - esac - - local rule_offset - case "$pos" in - ^) pos=1 ;; - $) pos= ;; - -) pos= ;; - +) eval "rule_offset=\${FW__RULE_OFS_${app}_${tab}_${chn}:-1}" ;; - esac - - if ! fw__has - family || ! fw__has $tab ; then - export FW_${fam}_ERROR=0 - return 0 - fi - - case "$fam" in - G*) shift; while [ $# -gt 0 ] && [ "$1" != "{" ]; do shift; done ;; - esac - - if [ $# -gt 0 ]; then - shift - if [ $cmd == delete ]; then - pos= - fi - fi - - local cmdline="$app --table ${tab} --${cmd} ${chn} ${pol} ${rule_offset:-${pos}} ${tgt:+--jump "$tgt"}" - while [ $# -gt 1 ]; do - # special parameter handling - case "$1:$2" in - -p:icmp*|-p:1|-p:58|--protocol:icmp*|--protocol:1|--protocol:58) - [ "$app" = ip6tables ] && \ - cmdline="$cmdline -p icmpv6" || \ - cmdline="$cmdline -p icmp" - shift - ;; - --icmp-type:*|--icmpv6-type:*) - local icmp_type - if [ "$app" = ip6tables ] && fw_check_icmptype6 icmp_type "$2"; then - cmdline="$cmdline $icmp_type" - elif [ "$app" = iptables ] && fw_check_icmptype4 icmp_type "$2"; then - cmdline="$cmdline $icmp_type" - else - local fam=IPv4; [ "$app" = ip6tables ] && fam=IPv6 - fw_log info "ICMP type '$2' is not valid for $fam address family, skipping rule" - return 1 - fi - shift - ;; - *) cmdline="$cmdline $1" ;; - esac - shift - done - - [ -n "$FW_TRACE" ] && echo $cmdline >&2 - - $cmdline - - local rv=$? - [ $rv -eq 0 ] && [ -n "$rule_offset" ] && \ - export -- "FW__RULE_OFS_${app}_${tab}_${chn}=$(($rule_offset + 1))" - fw__rc $rv -} - -fw_get_port_range() { - local _var=$1 - local _ports=$2 - local _delim=${3:-:} - if [ "$4" ]; then - fw_get_port_range $_var "${_ports}-${4}" $_delim - return - fi - - local _first=${_ports%-*} - local _last=${_ports#*-} - if [ "${_first#!}" != "${_last#!}" ]; then - export -- "$_var=$_first$_delim${_last#!}" - else - export -- "$_var=$_first" - fi -} - -fw_get_family_mode() { - local _var="$1" - local _hint="$2" - local _zone="$3" - local _mode="$4" - - local _ipv4 _ipv6 - [ "$_zone" != "*" ] && { - [ -n "$FW_ZONES4$FW_ZONES6" ] && { - list_contains FW_ZONES4 "$_zone" && _ipv4=1 || _ipv4=0 - list_contains FW_ZONES6 "$_zone" && _ipv6=1 || _ipv6=0 - } || { - _ipv4=$(uci_get_state firewall core "${_zone}_ipv4" 0) - _ipv6=$(uci_get_state firewall core "${_zone}_ipv6" 0) - } - } || { - _ipv4=1 - _ipv6=1 - } - - case "$_hint:$_ipv4:$_ipv6" in - *4:1:*|*:1:0) export -n -- "$_var=G4" ;; - *6:*:1|*:0:1) export -n -- "$_var=G6" ;; - *) export -n -- "$_var=$_mode" ;; - esac -} - -fw_get_negation() { - local _var="$1" - local _flag="$2" - local _value="$3" - - [ "${_value#!}" != "$_value" ] && \ - export -n -- "$_var=! $_flag ${_value#!}" || \ - export -n -- "$_var=${_value:+$_flag $_value}" -} - -fw_get_subnet4() { - local _var="$1" - local _flag="$2" - local _name="$3" - - local _ipaddr="$(uci_get_state network "${_name#!}" ipaddr)" - local _netmask="$(uci_get_state network "${_name#!}" netmask)" - - case "$_ipaddr" in - *.*.*.*) - [ "${_name#!}" != "$_name" ] && \ - export -n -- "$_var=! $_flag $_ipaddr/${_netmask:-255.255.255.255}" || \ - export -n -- "$_var=$_flag $_ipaddr/${_netmask:-255.255.255.255}" - return 0 - ;; - esac - - export -n -- "$_var=" - return 1 -} - -fw_check_icmptype4() { - local _var="$1" - local _type="$2" - case "$_type" in - ![0-9]*) export -n -- "$_var=! --icmp-type ${_type#!}"; return 0 ;; - [0-9]*) export -n -- "$_var=--icmp-type $_type"; return 0 ;; - esac - - [ -z "$FW_ICMP4_TYPES" ] && \ - export FW_ICMP4_TYPES=$( - iptables -p icmp -h 2>/dev/null | \ - sed -n -e '/^Valid ICMP Types:/ { - n; :r; s/[()]/ /g; s/[[:space:]]\+/\n/g; p; n; b r - }' | sort -u - ) - - local _check - for _check in $FW_ICMP4_TYPES; do - if [ "$_check" = "${_type#!}" ]; then - [ "${_type#!}" != "$_type" ] && \ - export -n -- "$_var=! --icmp-type ${_type#!}" || \ - export -n -- "$_var=--icmp-type $_type" - return 0 - fi - done - - export -n -- "$_var=" - return 1 -} - -fw_check_icmptype6() { - local _var="$1" - local _type="$2" - case "$_type" in - ![0-9]*) export -n -- "$_var=! --icmpv6-type ${_type#!}"; return 0 ;; - [0-9]*) export -n -- "$_var=--icmpv6-type $_type"; return 0 ;; - esac - - [ -z "$FW_ICMP6_TYPES" ] && \ - export FW_ICMP6_TYPES=$( - ip6tables -p icmpv6 -h 2>/dev/null | \ - sed -n -e '/^Valid ICMPv6 Types:/ { - n; :r; s/[()]/ /g; s/[[:space:]]\+/\n/g; p; n; b r - }' | sort -u - ) - - local _check - for _check in $FW_ICMP6_TYPES; do - if [ "$_check" = "${_type#!}" ]; then - [ "${_type#!}" != "$_type" ] && \ - export -n -- "$_var=! --icmpv6-type ${_type#!}" || \ - export -n -- "$_var=--icmpv6-type $_type" - return 0 - fi - done - - export -n -- "$_var=" - return 1 -} diff --git a/package/network/config/firewall/files/lib/uci_firewall.sh b/package/network/config/firewall/files/lib/uci_firewall.sh deleted file mode 100644 index 7c95a7a939..0000000000 --- a/package/network/config/firewall/files/lib/uci_firewall.sh +++ /dev/null @@ -1,5 +0,0 @@ -# This file is here for backwards compatibility and to override the -# uci_firewall.sh from an earlier version. -type fw_is_loaded >/dev/null || { - . /lib/firewall/core.sh -} diff --git a/package/network/config/firewall/files/reflection.hotplug b/package/network/config/firewall/files/reflection.hotplug deleted file mode 100644 index 129a922e44..0000000000 --- a/package/network/config/firewall/files/reflection.hotplug +++ /dev/null @@ -1,169 +0,0 @@ -#!/bin/sh - -. /lib/functions.sh -. /lib/functions/network.sh - -if [ "$ACTION" = "remove" ]; then - - delete_rules_by_comment() { - local table="$1" - local chain="$2" - local comment="$3" - - iptables -t "$table" --line-numbers -nL "$chain" 2>/dev/null | \ - sed -e ' - 1d; - 1! { - \#^[0-9]\+ .* /\* '"$comment"' \*/.*$# { - s/ .*$//; - G; h; - } - }; - $!d; - ' | xargs -n1 iptables -t "$table" -D "$chain" 2>/dev/null - } - - delete_rules_by_comment nat nat_reflection_in "$INTERFACE" - delete_rules_by_comment nat nat_reflection_out "$INTERFACE" - delete_rules_by_comment filter nat_reflection_fwd "$INTERFACE" - -elif [ "$ACTION" = "add" ]; then - - prepare_chains() { - iptables -t nat -N nat_reflection_in 2>/dev/null && { - iptables -t nat -A prerouting_rule -j nat_reflection_in - } - - iptables -t nat -N nat_reflection_out 2>/dev/null && { - iptables -t nat -A postrouting_rule -j nat_reflection_out - } - - iptables -t filter -N nat_reflection_fwd 2>/dev/null && { - iptables -t filter -A forwarding_rule -j nat_reflection_fwd - } - } - - find_networks() { - find_networks_cb() { - local cfg="$1" - local zone="$2" - local need_masq="${3:-0}" - - local name - config_get name "$cfg" name - - local masq - config_get_bool masq "$cfg" masq 0 - - [ "$name" = "$zone" ] && [ "$masq" -ge "$need_masq" ] && { - local network - config_get network "$cfg" network - - echo ${network:-$zone} - return 1 - } - } - - config_foreach find_networks_cb zone "$@" - } - - setup_fwd() { - local cfg="$1" - - local reflection - config_get_bool reflection "$cfg" reflection 1 - [ "$reflection" == 1 ] || return - - local src - config_get src "$cfg" src - [ "$src" == "$ZONE" ] || return - - local dest - config_get dest "$cfg" dest - [ "$dest" != "*" ] || return - - local target - config_get target "$cfg" target DNAT - [ "$target" = DNAT ] || return - - prepare_chains - - local net - for net in $(find_networks "$dest" 0); do - local intnet - network_get_subnet intnet "$net" || continue - - local proto - config_get proto "$cfg" proto - - local epmin epmax extport - config_get extport "$cfg" src_dport "1-65535" - [ -n "$extport" ] || return - - epmin="${extport%[-:]*}"; epmax="${extport#*[-:]}" - [ "${epmin#!}" != "$epmax" ] || epmax="" - - local ipmin ipmax intport - config_get intport "$cfg" dest_port "$extport" - - ipmin="${intport%[-:]*}"; ipmax="${intport#*[-:]}" - [ "${ipmin#!}" != "$ipmax" ] || ipmax="" - - local exthost - config_get exthost "$cfg" src_dip "$extip" - - local inthost - config_get inthost "$cfg" dest_ip - [ -n "$inthost" ] || return - - [ "$proto" = all ] && proto="tcp udp" - [ "$proto" = tcpudp ] && proto="tcp udp" - - [ "${inthost#!}" = "$inthost" ] || return 0 - [ "${exthost#!}" = "$exthost" ] || return 0 - - [ "${epmin#!}" != "$epmin" ] && \ - extport="! --dport ${epmin#!}${epmax:+:$epmax}" || \ - extport="--dport $epmin${epmax:+:$epmax}" - - [ "${ipmin#!}" != "$ipmin" ] && \ - intport="! --dport ${ipmin#!}${ipmax:+:$ipmax}" || \ - intport="--dport $ipmin${ipmax:+:$ipmax}" - - local p - for p in ${proto:-tcp udp}; do - case "$p" in - tcp|udp|6|17) - iptables -t nat -A nat_reflection_in \ - -s $intnet -d $exthost \ - -p $p $extport \ - -m comment --comment "$INTERFACE" \ - -j DNAT --to $inthost:${ipmin#!}${ipmax:+-$ipmax} - - iptables -t nat -A nat_reflection_out \ - -s $intnet -d $inthost \ - -p $p $intport \ - -m comment --comment "$INTERFACE" \ - -j SNAT --to-source ${intnet%%/*} - - iptables -t filter -A nat_reflection_fwd \ - -s $intnet -d $inthost \ - -p $p $intport \ - -m comment --comment "$INTERFACE" \ - -j ACCEPT - ;; - esac - done - done - } - - config_load firewall - - local is_masq_zone="$(find_networks "$ZONE" 1)" - [ -n "$is_masq_zone" ] || exit 0 - - local extip - network_get_ipaddr extip "$INTERFACE" || exit 0 - - config_foreach setup_fwd redirect -fi |