version 2.36, 2006/01/12 20:05:34 |
version 2.39, 2006/02/28 17:50:00 |
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fi |
fi |
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config=`cat $DEFAULT_FIREWALL_CONFIG`; |
config=`cat $DEFAULT_FIREWALL_CONFIG`; |
md5key=`echo "config = '$config' parsed_interfaces ='$parsed_interfaces' parsed_routes='$parsed_routes'" | md5sum | awk '{ print $1; }'`; |
md5key=`echo "config = '$config' parsed_interfaces ='$parsed_interfaces' parsed_routes='$parsed_routes'" | md5sum | $AWK '{ print $1; }'`; |
CACHE_FILE="$DEFAULT_CACHE_DIR/$md5key" |
CACHE_FILE="$DEFAULT_CACHE_DIR/$md5key" |
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#echo "CACHE_FILE=$CACHE_FILE" |
#echo "CACHE_FILE=$CACHE_FILE" |
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ip="`get_first_ip_addr IP_$NAT_SUBNET_IFACE`" |
ip="`get_first_ip_addr IP_$NAT_SUBNET_IFACE`" |
netmask="Mask_$NAT_SUBNET_IFACE" |
netmask="Mask_$NAT_SUBNET_IFACE" |
localnet="${!ip}/${!netmask}" |
localnet="$ip/${!netmask}" |
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lan_ip="`get_first_ip_addr IP_$NAT_LAN_IFACE`" |
lan_ip="`get_first_ip_addr IP_$NAT_LAN_IFACE`" |
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done |
done |
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for redirect in $NAT_TCP_PORT_REDIRECT; do |
for redirect in $NAT_TCP_PORT_REDIRECT; do |
eval `echo $redirect | awk -v FS=: '{ printf "remote_port=%s; local_port=%s;", $1, $2; }'` |
eval `echo $redirect | $AWK -v FS=: '{ printf "remote_port=%s; local_port=%s;", $1, $2; }'` |
echo -en " $remote_port:$local_port" |
echo -en " $remote_port:$local_port" |
$IPTABLES -t nat -A PREROUTING -p TCP \ |
$IPTABLES -t nat -A PREROUTING -p TCP \ |
-i ! $NAT_LAN_IFACE -d ! ${!lan_ip} \ |
-i ! $NAT_LAN_IFACE -d ! $lan_ip \ |
--dport $remote_port -j REDIRECT --to-port $local_port |
--dport $remote_port -j REDIRECT --to-port $local_port |
done |
done |
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if [ ! -z "$NAT_TCP_PORT_FORWARD" ]; then |
if [ ! -z "$NAT_TCP_PORT_FORWARD" ]; then |
echo -en "\tForwarding ports to local machines:" |
echo -en "\tForwarding ports to local machines:" |
for redirect in $NAT_TCP_PORT_FORWARD; do |
for redirect in $NAT_TCP_PORT_FORWARD; do |
eval `echo $redirect | awk -v FS=: '{ printf "src_port=%s; local_machine=%s; dest_port=%s;", $1, $2, $3; }'` |
eval `echo $redirect | $AWK -v FS=: '{ printf "src_port=%s; local_machine=%s; dest_port=%s;", $1, $2, $3; }'` |
echo -en " $src_port -> $local_machine:$dest_port" |
echo -en " $src_port -> $local_machine:$dest_port" |
$IPTABLES -t nat -A PREROUTING -p TCP -i $NAT_LAN_IFACE -d ${!lan_ip} \ |
$IPTABLES -t nat -A PREROUTING -p TCP -i $NAT_LAN_IFACE -d $lan_ip \ |
--dport $src_port -j DNAT --to $local_machine:$dest_port |
--dport $src_port -j DNAT --to $local_machine:$dest_port |
$IPTABLES -A FORWARD -p TCP -i $NAT_LAN_IFACE -d $local_machine --dport $dest_port -j ACCEPT |
$IPTABLES -A FORWARD -p TCP -i $NAT_LAN_IFACE -d $local_machine --dport $dest_port -j ACCEPT |
done |
done |
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for iface in $INTERFACES; do |
for iface in $INTERFACES; do |
IPS="IP_$iface"; |
IPS="IP_$iface"; |
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redirect_tcp="${iface}_REDIRECT_TCP" |
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REDIRECT_TCP="${!redirect_tcp}" |
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redirect_udp="${iface}_REDIRECT_UDP" |
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REDIRECT_UDP="${!redirect_udp}" |
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accept_input_tcp="${iface}_ACCEPT_INPUT_TCP" |
accept_input_tcp="${iface}_ACCEPT_INPUT_TCP" |
ACCEPT_INPUT_TCP="${!accept_input_tcp}" |
ACCEPT_INPUT_TCP="${!accept_input_tcp}" |
accept_input_udp="${iface}_ACCEPT_INPUT_UDP" |
accept_input_udp="${iface}_ACCEPT_INPUT_UDP" |
ACCEPT_INPUT_UDP="${!accept_input_udp}" |
ACCEPT_INPUT_UDP="${!accept_input_udp}" |
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if [ ! -z "$REDIRECT_TCP" ]; then |
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echo -en "$iface: redirecting TCP connections:" |
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ip="`get_first_ip_addr IP_$iface`"; |
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for redirect in $REDIRECT_TCP; do |
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eval `echo $redirect | \ |
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$AWK -v FS=: ' (NF == 2) { remote_ip = "0.0.0.0/0"; from_port = $1; to_port = $2; } \ |
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(NF == 3) { remote_ip = $1; from_port = $2; to_port = $3; } \ |
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END { printf "remote_ip=%s; from_port=%s; to_port=%s;", remote_ip, from_port, to_port; }'` |
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echo -en " $remote_ip:$from_port->$to_port" |
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$IPTABLES -t nat -A PREROUTING -p TCP -i $iface -s $remote_ip -d $ip --dport $from_port -j REDIRECT --to-port $to_port |
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done |
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echo " done." |
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fi |
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if [ ! -z "$REDIRECT_UDP" ]; then |
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echo -en "$iface: redirecting UDP connections:" |
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ip="`get_first_ip_addr IP_$iface`"; |
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for redirect in $REDIRECT_UDP; do |
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eval `echo $redirect | \ |
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$AWK -v FS=: ' (NF == 2) { remote_ip = "0.0.0.0/0"; from_port = $1; to_port = $2; } \ |
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(NF == 3) { remote_ip = $1; from_port = $2; to_port = $3; } \ |
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END { printf "remote_ip=%s; from_port=%s; to_port=%s;", remote_ip, from_port, to_port; }'` |
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echo -en " $remote_ip:$from_port->$to_port" |
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$IPTABLES -t nat -A PREROUTING -p UDP -i $iface -s $remote_ip -d $ip --dport $from_port -j REDIRECT --to-port $to_port |
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done |
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echo " done." |
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fi |
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if [ ! -z "$ACCEPT_INPUT_TCP" ]; then |
if [ ! -z "$ACCEPT_INPUT_TCP" ]; then |
echo -en "$iface: Accepting INPUT TCP connections on ports:" |
echo -en "$iface: Accepting INPUT TCP connections on ports:" |
for port in $ACCEPT_INPUT_TCP; do |
for port in $ACCEPT_INPUT_TCP; do |
Line 695 do_ip_accounting() |
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Line 729 do_ip_accounting() |
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ip="`get_first_ip_addr IP_$NAT_SUBNET_IFACE`"; |
ip="`get_first_ip_addr IP_$NAT_SUBNET_IFACE`"; |
netmask="Mask_$NAT_SUBNET_IFACE" |
netmask="Mask_$NAT_SUBNET_IFACE" |
localnet="${!ip}/${!netmask}" |
localnet="$ip/${!netmask}" |
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$IPTABLES -I INPUT -i $NAT_LAN_IFACE -j $IPACCT_IN_NAME |
$IPTABLES -I INPUT -i $NAT_LAN_IFACE -j $IPACCT_IN_NAME |
$IPTABLES -I OUTPUT -o $NAT_LAN_IFACE -j $IPACCT_OUT_NAME |
$IPTABLES -I OUTPUT -o $NAT_LAN_IFACE -j $IPACCT_OUT_NAME |
Line 709 do_ip_accounting() |
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Line 743 do_ip_accounting() |
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done |
done |
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if [ ! "x$DO_LOCAL_IP_ACCOUNTING" = "xno" ]; then |
if [ ! "x$DO_LOCAL_IP_ACCOUNTING" = "xno" ]; then |
accountig_ports=`echo "$NAT_TCP_PORT_REDIRECT " | awk -v RS=' ' -v FS=: '{ print $2; }' | sort -u -r -g ` |
accountig_ports=`echo "$NAT_TCP_PORT_REDIRECT " | $AWK -v RS=' ' -v FS=: '{ print $2; }' | sort -u -r -g ` |
for port in $accountig_ports; do |
for port in $accountig_ports; do |
$IPTABLES -I INPUT -i $NAT_SUBNET_IFACE -p TCP --dport $port -j $IPACCT_NAME |
$IPTABLES -I INPUT -i $NAT_SUBNET_IFACE -p TCP --dport $port -j $IPACCT_NAME |
$IPTABLES -I INPUT -i $NAT_SUBNET_IFACE -p UDP --dport $port -j $IPACCT_NAME |
$IPTABLES -I INPUT -i $NAT_SUBNET_IFACE -p UDP --dport $port -j $IPACCT_NAME |
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split($0, fields, "[ \t:]+"); |
split($0, fields, "[ \t:]+"); |
ip[iface, ipcount[iface]] = fields[4]; |
ip[iface, ipcount[iface]] = fields[4]; |
bcast[iface] = fields[6]; # bad for loopback interface, but we don t need this |
bcast[iface] = fields[6]; # bad for loopback interface, but we don t need this |
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# try to upgrade gawk (3.1.4-2.0.1 => 3.1.5-1) if you experience problem on the next line |
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# awk: cmd. line:17: (FILENAME=- FNR=2) fatal: attempt to use array "fields" in a scalar context |
idx = length(fields); |
idx = length(fields); |
mask[iface] = fields[idx]; |
mask[iface] = fields[idx]; |
} |
} |