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fwbuilder/test/ipt/firewall81.fw.orig

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#!/bin/sh
#
# This is automatically generated file. DO NOT MODIFY !
#
# Firewall Builder fwb_ipt v4.2.0.3482
#
# Generated Sat Feb 19 15:25:38 2011 PST by vadim
#
# files: * firewall81.fw /etc/fw/firewall81.fw
#
# Compiled for iptables (any version)
#
# This firewall has no "top" rule set objects.
# firewall81::: warning: Missing top level NAT ruleset
# firewall81::: warning: Missing top level Policy ruleset
# firewall81:NAT_2:0: warning: Translated Src, Dst and Srv are ignored in the NAT rule with action 'Branch'
# firewall81:NAT_2:0: warning: NAT branching rule does not have information about targets used in the branch ruleset to choose proper chain in the nat table. Will split the rule and place it in both PREROUTNING and POSTROUTING
# firewall81:NAT_2:1: warning: NAT branching rule does not have information about targets used in the branch ruleset to choose proper chain in the nat table. Will split the rule and place it in both PREROUTNING and POSTROUTING
# firewall81:Policy:: warning: Log prefix has been truncated to 29 characters
# firewall81:Policy:: warning: Log prefix has been truncated to 29 characters
FWBDEBUG=""
PATH="/sbin:/usr/sbin:/bin:/usr/bin:${PATH}"
export PATH
LSMOD="/sbin/lsmod"
MODPROBE="/sbin/modprobe"
IPTABLES="/sbin/iptables"
IP6TABLES="/sbin/ip6tables"
IPTABLES_RESTORE="/sbin/iptables-restore"
IP6TABLES_RESTORE="/sbin/ip6tables-restore"
IP="/sbin/ip"
IFCONFIG="/sbin/ifconfig"
VCONFIG="/sbin/vconfig"
BRCTL="/sbin/brctl"
IFENSLAVE="/sbin/ifenslave"
IPSET="/usr/sbin/ipset"
LOGGER="/usr/bin/logger"
log() {
echo "$1"
command -v "$LOGGER" &>/dev/null && $LOGGER -p info "$1"
}
getInterfaceVarName() {
echo $1 | sed 's/\./_/'
}
getaddr_internal() {
dev=$1
name=$2
af=$3
L=$($IP $af addr show dev $dev | sed -n '/inet/{s!.*inet6* !!;s!/.*!!p}' | sed 's/peer.*//')
test -z "$L" && {
eval "$name=''"
return
}
eval "${name}_list=\"$L\""
}
getaddr() {
getaddr_internal $1 $2 "-4"
}
getaddr6() {
getaddr_internal $1 $2 "-6"
}
# function getinterfaces is used to process wildcard interfaces
getinterfaces() {
NAME=$1
$IP link show | grep ": $NAME" | while read L; do
OIFS=$IFS
IFS=" :"
set $L
IFS=$OIFS
echo $2
done
}
diff_intf() {
func=$1
list1=$2
list2=$3
cmd=$4
for intf in $list1
do
echo $list2 | grep -q $intf || {
# $vlan is absent in list 2
$func $intf $cmd
}
done
}
find_program() {
PGM=$1
command -v $PGM &>/dev/null || {
echo "$PGM not found"
exit 1
}
}
check_tools() {
find_program $IPTABLES
find_program $IP
}
reset_iptables_v4() {
$IPTABLES -P OUTPUT DROP
$IPTABLES -P INPUT DROP
$IPTABLES -P FORWARD DROP
cat /proc/net/ip_tables_names | while read table; do
$IPTABLES -t $table -L -n | while read c chain rest; do
if test "X$c" = "XChain" ; then
$IPTABLES -t $table -F $chain
fi
done
$IPTABLES -t $table -X
done
}
reset_iptables_v6() {
$IP6TABLES -P OUTPUT DROP
$IP6TABLES -P INPUT DROP
$IP6TABLES -P FORWARD DROP
cat /proc/net/ip6_tables_names | while read table; do
$IP6TABLES -t $table -L -n | while read c chain rest; do
if test "X$c" = "XChain" ; then
$IP6TABLES -t $table -F $chain
fi
done
$IP6TABLES -t $table -X
done
}
P2P_INTERFACE_WARNING=""
missing_address() {
address=$1
cmd=$2
oldIFS=$IFS
IFS="@"
set $address
addr=$1
interface=$2
IFS=$oldIFS
$IP addr show dev $interface | grep -q POINTOPOINT && {
test -z "$P2P_INTERFACE_WARNING" && echo "Warning: Can not update address of interface $interface. fwbuilder can not manage addresses of point-to-point interfaces yet"
P2P_INTERFACE_WARNING="yes"
return
}
test "$cmd" = "add" && {
echo "# Adding ip address: $interface $addr"
echo $addr | grep -q ':' && {
$FWBDEBUG $IP addr $cmd $addr dev $interface
} || {
$FWBDEBUG $IP addr $cmd $addr broadcast + dev $interface
}
}
test "$cmd" = "del" && {
echo "# Removing ip address: $interface $addr"
$FWBDEBUG $IP addr $cmd $addr dev $interface || exit 1
}
$FWBDEBUG $IP link set $interface up
}
list_addresses_by_scope() {
interface=$1
scope=$2
ignore_list=$3
$IP addr ls dev $interface | \
awk -v IGNORED="$ignore_list" -v SCOPE="$scope" \
'BEGIN {
split(IGNORED,ignored_arr);
for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
}
(/inet |inet6 / && $0 ~ SCOPE && !($2 in ignored_dict)) {print $2;}' | \
while read addr; do
echo "${addr}@$interface"
done | sort
}
update_addresses_of_interface() {
ignore_list=$2
set $1
interface=$1
shift
FWB_ADDRS=$(
for addr in $*; do
echo "${addr}@$interface"
done | sort
)
CURRENT_ADDRS_ALL_SCOPES=""
CURRENT_ADDRS_GLOBAL_SCOPE=""
$IP link show dev $interface >/dev/null 2>&1 && {
CURRENT_ADDRS_ALL_SCOPES=$(list_addresses_by_scope $interface 'scope .*' "$ignore_list")
CURRENT_ADDRS_GLOBAL_SCOPE=$(list_addresses_by_scope $interface 'scope global' "$ignore_list")
} || {
echo "# Interface $interface does not exist"
# Stop the script if we are not in test mode
test -z "$FWBDEBUG" && exit 1
}
diff_intf missing_address "$FWB_ADDRS" "$CURRENT_ADDRS_ALL_SCOPES" add
diff_intf missing_address "$CURRENT_ADDRS_GLOBAL_SCOPE" "$FWB_ADDRS" del
}
clear_addresses_except_known_interfaces() {
$IP link show | sed 's/://g' | awk -v IGNORED="$*" \
'BEGIN {
split(IGNORED,ignored_arr);
for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
}
(/state/ && !($2 in ignored_dict)) {print $2;}' | \
while read intf; do
echo "# Removing addresses not configured in fwbuilder from interface $intf"
$FWBDEBUG $IP addr flush dev $intf scope global
$FWBDEBUG $IP link set $intf down
done
}
check_file() {
test -r "$2" || {
echo "Can not find file $2 referenced by address table object $1"
exit 1
}
}
check_run_time_address_table_files() {
:
}
load_modules() {
:
}
verify_interfaces() {
:
}
prolog_commands() {
echo "Running prolog script"
}
epilog_commands() {
echo "Running epilog script"
}
run_epilog_and_exit() {
epilog_commands
exit $1
}
configure_interfaces() {
:
# Configure interfaces
update_addresses_of_interface "eth0 192.0.2.1/24" ""
update_addresses_of_interface "lo 127.0.0.1/8" ""
update_addresses_of_interface "eth1 192.168.1.100/24" ""
}
script_body() {
echo 30 > /proc/sys/net/ipv4/tcp_fin_timeout
echo 1800 > /proc/sys/net/ipv4/tcp_keepalive_intvl
# ================ IPv4
# ================ Table 'nat', rule set NAT_2
#
# Rule NAT_2 0 (NAT)
#
echo "Rule NAT_2 0 (NAT)"
#
# Branch rule with actual translation.
# Translation is ignored and warning should be issued
# firewall81:NAT_2:0: warning: NAT branching rule does not have information about targets used in the branch ruleset to choose proper chain in the nat table. Will split the rule and place it in both PREROUTNING and POSTROUTING
$IPTABLES -t nat -N NAT_1
$IPTABLES -t nat -A POSTROUTING -d 192.0.2.1 -j NAT_1
# firewall81:NAT_2:0: warning: NAT branching rule does not have information about targets used in the branch ruleset to choose proper chain in the nat table. Will split the rule and place it in both PREROUTNING and POSTROUTING
$IPTABLES -t nat -A PREROUTING -d 192.0.2.1 -j NAT_1
#
# Rule NAT_2 1 (NAT)
#
echo "Rule NAT_2 1 (NAT)"
#
# DNAT Rule
# firewall81:NAT_2:1: warning: NAT branching rule does not have information about targets used in the branch ruleset to choose proper chain in the nat table. Will split the rule and place it in both PREROUTNING and POSTROUTING
$IPTABLES -t nat -A POSTROUTING -j NAT_1
# firewall81:NAT_2:1: warning: NAT branching rule does not have information about targets used in the branch ruleset to choose proper chain in the nat table. Will split the rule and place it in both PREROUTNING and POSTROUTING
$IPTABLES -t nat -A PREROUTING -j NAT_1
# ================ Table 'nat', rule set NAT_1
#
# Rule NAT_1 0 (NAT)
#
echo "Rule NAT_1 0 (NAT)"
#
# DNAT Rule
$IPTABLES -t nat -N NAT_1_PREROUTING
$IPTABLES -t nat -A NAT_1_PREROUTING -d 192.0.2.1 -j DNAT --to-destination 192.168.1.10
#
# Rule NAT_1 1 (NAT)
#
echo "Rule NAT_1 1 (NAT)"
#
# SNAT rule
$IPTABLES -t nat -N NAT_1_POSTROUTING
$IPTABLES -t nat -A NAT_1_POSTROUTING -o eth0 -s 192.168.1.0/24 -j SNAT --to-source 192.0.2.1
# ================ Table 'nat', rule set NAT_1
#
# Rule NAT_1 0 (NAT)
#
echo "Rule NAT_1 0 (NAT)"
#
# DNAT Rule
$IPTABLES -t nat -A NAT_1_PREROUTING -d 192.0.2.1 -j DNAT --to-destination 192.168.1.10
#
# Rule NAT_1 1 (NAT)
#
echo "Rule NAT_1 1 (NAT)"
#
# SNAT rule
$IPTABLES -t nat -A NAT_1_POSTROUTING -o eth+ -s 192.168.1.0/24 -j SNAT --to-source 192.0.2.1
# ================ Table 'filter', rule set Policy
#
# Rule 0 (global)
#
echo "Rule 0 (global)"
#
$IPTABLES -N Policy
$IPTABLES -N RULE_0
$IPTABLES -A Policy -j RULE_0
$IPTABLES -A RULE_0 -j LOG --log-level debug --log-prefix "RULE 0 -- DENY on interface g"
$IPTABLES -A RULE_0 -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 "$cmd" in
start)
log "Activating firewall script generated Sat Feb 19 15:25:38 2011 by vadim"
check_tools
prolog_commands
check_run_time_address_table_files
load_modules "nat "
configure_interfaces
verify_interfaces
reset_all
script_body
ip_forward
epilog_commands
RETVAL=$?
;;
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
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