mirror of
https://github.com/fwbuilder/fwbuilder
synced 2026-03-20 18:27:16 +01:00
15bab71f49
single object negation in "Inbound Interface" and "Outbound Interface" columns in compiler for iptables. * NATCompiler_pf.cpp (compile): see #2456 Added support for single object negation in "Interface" rule element of PF NAT rules. Now compiler can produce PF commands such as "nat on ! em0 ... " (for PF <4.7) or "match on ! em0 ..." (for PF >= 4.7) * Compiler.cpp (singleObjectNegation::processNext): moved rule processor that processes single object negation in any rule element to the base class Compiler.
592 lines
16 KiB
Bash
Executable File
592 lines
16 KiB
Bash
Executable File
#!/bin/sh
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#
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# This is automatically generated file. DO NOT MODIFY !
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#
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# Firewall Builder fwb_ipt v5.0.0.3547
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#
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# Generated Fri Jun 3 17:27:11 2011 PDT by vadim
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#
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# files: * firewall12.fw /etc/fw/firewall12.fw
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#
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# Compiled for iptables (any version)
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#
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# This firewall does not do NAT for addresses, but translates port for a server
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# firewall12:NAT:16: error: NAT rule can not change service types: TCPService to UDPService
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# firewall12:NAT:16: error: Translated Service should be either 'Original' or should contain object of the same type as Original Service.
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# firewall12::: warning: Can not add virtual address for object fw1:eth0:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth1:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth0:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth1:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth0:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth1:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth0:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth1:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth0:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth1:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth0:ip
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# firewall12::: warning: Can not add virtual address for object fw1:eth1:ip
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FWBDEBUG=""
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PATH="/sbin:/usr/sbin:/bin:/usr/bin:${PATH}"
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export PATH
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LSMOD="/sbin/lsmod"
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MODPROBE="/sbin/modprobe"
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IPTABLES="/sbin/iptables"
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IP6TABLES="/sbin/ip6tables"
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IPTABLES_RESTORE="/sbin/iptables-restore"
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IP6TABLES_RESTORE="/sbin/ip6tables-restore"
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IP="/sbin/ip"
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IFCONFIG="/sbin/ifconfig"
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VCONFIG="/sbin/vconfig"
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BRCTL="/sbin/brctl"
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IFENSLAVE="/sbin/ifenslave"
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IPSET="/usr/sbin/ipset"
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LOGGER="/usr/bin/logger"
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log() {
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echo "$1"
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command -v "$LOGGER" >/dev/null 2>&1 && $LOGGER -p info "$1"
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}
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getInterfaceVarName() {
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echo $1 | sed 's/\./_/'
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}
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getaddr_internal() {
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dev=$1
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name=$2
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af=$3
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L=$($IP $af addr show dev $dev | sed -n '/inet/{s!.*inet6* !!;s!/.*!!p}' | sed 's/peer.*//')
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test -z "$L" && {
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eval "$name=''"
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return
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}
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eval "${name}_list=\"$L\""
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}
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getnet_internal() {
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dev=$1
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name=$2
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af=$3
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L=$($IP route list proto kernel | grep $dev | grep -v default | sed 's! .*$!!')
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test -z "$L" && {
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eval "$name=''"
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return
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}
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eval "${name}_list=\"$L\""
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}
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getaddr() {
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getaddr_internal $1 $2 "-4"
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}
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getaddr6() {
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getaddr_internal $1 $2 "-6"
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}
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getnet() {
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getnet_internal $1 $2 "-4"
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}
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getnet6() {
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getnet_internal $1 $2 "-6"
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}
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# function getinterfaces is used to process wildcard interfaces
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getinterfaces() {
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NAME=$1
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$IP link show | grep ": $NAME" | while read L; do
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OIFS=$IFS
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IFS=" :"
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set $L
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IFS=$OIFS
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echo $2
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done
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}
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diff_intf() {
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func=$1
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list1=$2
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list2=$3
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cmd=$4
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for intf in $list1
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do
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echo $list2 | grep -q $intf || {
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# $vlan is absent in list 2
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$func $intf $cmd
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}
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done
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}
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find_program() {
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PGM=$1
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command -v $PGM >/dev/null 2>&1 || {
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echo "$PGM not found"
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exit 1
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}
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}
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check_tools() {
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find_program $IPTABLES
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find_program $MODPROBE
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find_program $IP
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}
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reset_iptables_v4() {
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$IPTABLES -P OUTPUT DROP
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$IPTABLES -P INPUT DROP
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$IPTABLES -P FORWARD DROP
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cat /proc/net/ip_tables_names | while read table; do
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$IPTABLES -t $table -L -n | while read c chain rest; do
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if test "X$c" = "XChain" ; then
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$IPTABLES -t $table -F $chain
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fi
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done
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$IPTABLES -t $table -X
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done
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}
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reset_iptables_v6() {
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$IP6TABLES -P OUTPUT DROP
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$IP6TABLES -P INPUT DROP
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$IP6TABLES -P FORWARD DROP
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cat /proc/net/ip6_tables_names | while read table; do
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$IP6TABLES -t $table -L -n | while read c chain rest; do
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if test "X$c" = "XChain" ; then
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$IP6TABLES -t $table -F $chain
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fi
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done
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$IP6TABLES -t $table -X
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done
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}
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P2P_INTERFACE_WARNING=""
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missing_address() {
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address=$1
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cmd=$2
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oldIFS=$IFS
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IFS="@"
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set $address
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addr=$1
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interface=$2
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IFS=$oldIFS
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$IP addr show dev $interface | grep -q POINTOPOINT && {
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test -z "$P2P_INTERFACE_WARNING" && echo "Warning: Can not update address of interface $interface. fwbuilder can not manage addresses of point-to-point interfaces yet"
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P2P_INTERFACE_WARNING="yes"
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return
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}
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test "$cmd" = "add" && {
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echo "# Adding ip address: $interface $addr"
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echo $addr | grep -q ':' && {
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$FWBDEBUG $IP addr $cmd $addr dev $interface
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} || {
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$FWBDEBUG $IP addr $cmd $addr broadcast + dev $interface
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}
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}
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test "$cmd" = "del" && {
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echo "# Removing ip address: $interface $addr"
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$FWBDEBUG $IP addr $cmd $addr dev $interface || exit 1
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}
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$FWBDEBUG $IP link set $interface up
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}
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list_addresses_by_scope() {
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interface=$1
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scope=$2
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ignore_list=$3
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$IP addr ls dev $interface | \
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awk -v IGNORED="$ignore_list" -v SCOPE="$scope" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
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}
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(/inet |inet6 / && $0 ~ SCOPE && !($2 in ignored_dict)) {print $2;}' | \
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while read addr; do
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echo "${addr}@$interface"
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done | sort
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}
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update_addresses_of_interface() {
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ignore_list=$2
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set $1
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interface=$1
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shift
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FWB_ADDRS=$(
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for addr in $*; do
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echo "${addr}@$interface"
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done | sort
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)
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CURRENT_ADDRS_ALL_SCOPES=""
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CURRENT_ADDRS_GLOBAL_SCOPE=""
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$IP link show dev $interface >/dev/null 2>&1 && {
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CURRENT_ADDRS_ALL_SCOPES=$(list_addresses_by_scope $interface 'scope .*' "$ignore_list")
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CURRENT_ADDRS_GLOBAL_SCOPE=$(list_addresses_by_scope $interface 'scope global' "$ignore_list")
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} || {
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echo "# Interface $interface does not exist"
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# Stop the script if we are not in test mode
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test -z "$FWBDEBUG" && exit 1
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}
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diff_intf missing_address "$FWB_ADDRS" "$CURRENT_ADDRS_ALL_SCOPES" add
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diff_intf missing_address "$CURRENT_ADDRS_GLOBAL_SCOPE" "$FWB_ADDRS" del
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}
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clear_addresses_except_known_interfaces() {
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$IP link show | sed 's/://g' | awk -v IGNORED="$*" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
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}
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(/state/ && !($2 in ignored_dict)) {print $2;}' | \
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while read intf; do
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echo "# Removing addresses not configured in fwbuilder from interface $intf"
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$FWBDEBUG $IP addr flush dev $intf scope global
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$FWBDEBUG $IP link set $intf down
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done
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}
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check_file() {
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test -r "$2" || {
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echo "Can not find file $2 referenced by address table object $1"
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exit 1
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}
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}
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check_run_time_address_table_files() {
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:
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}
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load_modules() {
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:
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OPTS=$1
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MODULES_DIR="/lib/modules/`uname -r`/kernel/net/"
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MODULES=$(find $MODULES_DIR -name '*conntrack*' \! -name '*ipv6*'|sed -e 's/^.*\///' -e 's/\([^\.]\)\..*/\1/')
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echo $OPTS | grep -q nat && {
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MODULES="$MODULES $(find $MODULES_DIR -name '*nat*'|sed -e 's/^.*\///' -e 's/\([^\.]\)\..*/\1/')"
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}
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echo $OPTS | grep -q ipv6 && {
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MODULES="$MODULES $(find $MODULES_DIR -name nf_conntrack_ipv6|sed -e 's/^.*\///' -e 's/\([^\.]\)\..*/\1/')"
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}
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for module in $MODULES; do
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if $LSMOD | grep ${module} >/dev/null; then continue; fi
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$MODPROBE ${module} || exit 1
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done
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}
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verify_interfaces() {
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:
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}
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prolog_commands() {
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echo "Running prolog script"
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}
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epilog_commands() {
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echo "Running epilog script"
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}
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run_epilog_and_exit() {
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epilog_commands
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exit $1
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}
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configure_interfaces() {
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:
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# Configure interfaces
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update_addresses_of_interface "eth0 22.22.22.22/24 22.22.22.23/24" ""
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update_addresses_of_interface "eth1 22.22.23.22/24" ""
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}
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script_body() {
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echo 30 > /proc/sys/net/ipv4/tcp_fin_timeout
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echo 1800 > /proc/sys/net/ipv4/tcp_keepalive_intvl
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# ================ IPv4
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# ================ Table 'filter', automatic rules
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# accept established sessions
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$IPTABLES -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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$IPTABLES -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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$IPTABLES -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
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# ================ Table 'nat', rule set NAT
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#
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# Rule 0 (NAT)
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#
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echo "Rule 0 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.23 --dport 80 -j DNAT --to-destination :8080
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#
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# Rule 1 (NAT)
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#
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echo "Rule 1 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.22 --dport 80 -j DNAT --to-destination :8080
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#
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# Rule 2 (NAT)
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#
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echo "Rule 2 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.22 --dport 80 -j DNAT --to-destination :8080
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#
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# Rule 3 (NAT)
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#
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echo "Rule 3 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 80 -j REDIRECT --to-ports 8080
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.22 --dport 80 -j REDIRECT --to-ports 8080
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#
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# Rule 4 (NAT)
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#
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echo "Rule 4 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 80 -j REDIRECT --to-ports 8080
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.22 --dport 80 -j REDIRECT --to-ports 8080
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#
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# Rule 5 (NAT)
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#
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echo "Rule 5 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 80 -j DNAT --to-destination 22.22.22.22:8080
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.22 --dport 80 -j DNAT --to-destination 22.22.22.22:8080
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#
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# Rule 6 (NAT)
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#
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echo "Rule 6 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j DNAT --to-destination :8080
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#
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# Rule 7 (NAT)
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#
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echo "Rule 7 (NAT)"
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#
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# port-only translation
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp --sport 6767 -j SNAT --to-source :67
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#
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# Rule 8 (NAT)
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#
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echo "Rule 8 (NAT)"
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#
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$IPTABLES -t nat -A POSTROUTING -o eth1 -p udp -m udp --sport 6767 -j SNAT --to-source 22.22.23.22:67
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#
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# Rule 9 (NAT)
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#
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echo "Rule 9 (NAT)"
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#
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# port-only translation
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j DNAT --to-destination :8080
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#
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# Rule 10 (NAT)
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#
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echo "Rule 10 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080
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#
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# Rule 11 (NAT)
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#
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echo "Rule 11 (NAT)"
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#
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# SDNAT
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.0.2.1 --dport 22 -j DNAT --to-destination 192.168.1.10
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.1.1 --dport 22 -j DNAT --to-destination 192.168.1.10
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p tcp -m tcp -d 192.168.1.10 --dport 22 -j SNAT --to-source 192.0.2.1
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p tcp -m tcp -d 192.168.1.10 --dport 22 -j SNAT --to-source 192.168.1.1
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#
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# Rule 12 (NAT)
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#
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echo "Rule 12 (NAT)"
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#
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# SDNAT with source port
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$IPTABLES -t nat -A PREROUTING -p udp -m udp --sport 123 -d 192.0.2.1 -j DNAT --to-destination 192.168.1.10
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$IPTABLES -t nat -A PREROUTING -p udp -m udp --sport 123 -d 192.168.1.1 -j DNAT --to-destination 192.168.1.10
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp --sport 123 -d 192.168.1.10 -j SNAT --to-source 192.0.2.1:5050
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp --sport 123 -d 192.168.1.10 -j SNAT --to-source 192.168.1.1:5050
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#
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# Rule 13 (NAT)
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#
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echo "Rule 13 (NAT)"
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#
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# SDNAT with dest port
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$IPTABLES -t nat -A PREROUTING -p udp -m udp -s 192.168.1.0/24 --dport 53 -j DNAT --to-destination 192.168.1.10:1053
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp -s 192.168.1.0/24 -d 192.168.1.10 --dport 1053 -j SNAT --to-source 192.0.2.1
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp -s 192.168.1.0/24 -d 192.168.1.10 --dport 1053 -j SNAT --to-source 192.168.1.1
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#
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# Rule 14 (NAT)
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#
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echo "Rule 14 (NAT)"
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#
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# SDNAT
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# translate src and dst addresses
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# and src and dst ports
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$IPTABLES -t nat -A PREROUTING -p udp -m udp -s 192.168.1.0/24 --sport 1024:65535 --dport 53 -j DNAT --to-destination 192.168.1.10:1053
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp -s 192.168.1.0/24 -d 192.168.1.10 --dport 1053 -j SNAT --to-source 192.0.2.1:32767-65535
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp -s 192.168.1.0/24 -d 192.168.1.10 --dport 1053 -j SNAT --to-source 192.168.1.1:32767-65535
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#
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# Rule 15 (NAT)
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#
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echo "Rule 15 (NAT)"
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#
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$IPTABLES -t nat -A POSTROUTING -o eth+ -p udp -m udp -s 192.168.1.0/24 --dport 53 -j SNAT --to-source :5050
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# ================ Table 'filter', rule set Policy
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#
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# Rule 0 (global)
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#
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echo "Rule 0 (global)"
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#
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$IPTABLES -A OUTPUT -p tcp -m tcp -d 22.22.22.23 --dport 8080 -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A FORWARD -p tcp -m tcp -d 22.22.22.23 --dport 8080 -m state --state NEW -j ACCEPT
|
|
#
|
|
# Rule 1 (global)
|
|
#
|
|
echo "Rule 1 (global)"
|
|
#
|
|
$IPTABLES -N RULE_1
|
|
$IPTABLES -A OUTPUT -j RULE_1
|
|
$IPTABLES -A INPUT -j RULE_1
|
|
$IPTABLES -A FORWARD -j RULE_1
|
|
$IPTABLES -A RULE_1 -j LOG --log-level info --log-prefix "RULE 1 -- DENY "
|
|
$IPTABLES -A RULE_1 -j DROP
|
|
}
|
|
|
|
ip_forward() {
|
|
:
|
|
|
|
}
|
|
|
|
reset_all() {
|
|
:
|
|
reset_iptables_v4
|
|
}
|
|
|
|
block_action() {
|
|
reset_all
|
|
}
|
|
|
|
stop_action() {
|
|
reset_all
|
|
$IPTABLES -P OUTPUT ACCEPT
|
|
$IPTABLES -P INPUT ACCEPT
|
|
$IPTABLES -P FORWARD ACCEPT
|
|
}
|
|
|
|
check_iptables() {
|
|
IP_TABLES="$1"
|
|
[ ! -e $IP_TABLES ] && return 151
|
|
NF_TABLES=$(cat $IP_TABLES 2>/dev/null)
|
|
[ -z "$NF_TABLES" ] && return 152
|
|
return 0
|
|
}
|
|
status_action() {
|
|
check_iptables "/proc/net/ip_tables_names"
|
|
ret_ipv4=$?
|
|
check_iptables "/proc/net/ip6_tables_names"
|
|
ret_ipv6=$?
|
|
[ $ret_ipv4 -eq 0 -o $ret_ipv6 -eq 0 ] && return 0
|
|
[ $ret_ipv4 -eq 151 -o $ret_ipv6 -eq 151 ] && {
|
|
echo "iptables modules are not loaded"
|
|
}
|
|
[ $ret_ipv4 -eq 152 -o $ret_ipv6 -eq 152 ] && {
|
|
echo "Firewall is not configured"
|
|
}
|
|
exit 3
|
|
}
|
|
|
|
# See how we were called.
|
|
# For backwards compatibility missing argument is equivalent to 'start'
|
|
|
|
cmd=$1
|
|
test -z "$cmd" && {
|
|
cmd="start"
|
|
}
|
|
|
|
case "$cmd" in
|
|
start)
|
|
log "Activating firewall script generated Fri Jun 3 17:27:11 2011 by vadim"
|
|
check_tools
|
|
prolog_commands
|
|
check_run_time_address_table_files
|
|
|
|
load_modules "nat "
|
|
configure_interfaces
|
|
verify_interfaces
|
|
|
|
reset_all
|
|
|
|
script_body
|
|
ip_forward
|
|
epilog_commands
|
|
RETVAL=$?
|
|
;;
|
|
|
|
stop)
|
|
stop_action
|
|
RETVAL=$?
|
|
;;
|
|
|
|
status)
|
|
status_action
|
|
RETVAL=$?
|
|
;;
|
|
|
|
block)
|
|
block_action
|
|
RETVAL=$?
|
|
;;
|
|
|
|
reload)
|
|
$0 stop
|
|
$0 start
|
|
RETVAL=$?
|
|
;;
|
|
|
|
interfaces)
|
|
configure_interfaces
|
|
RETVAL=$?
|
|
;;
|
|
|
|
test_interfaces)
|
|
FWBDEBUG="echo"
|
|
configure_interfaces
|
|
RETVAL=$?
|
|
;;
|
|
|
|
|
|
|
|
*)
|
|
echo "Usage $0 [start|stop|status|block|reload|interfaces|test_interfaces]"
|
|
;;
|
|
|
|
esac
|
|
|
|
exit $RETVAL |