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dc82656bf97fef330f5f34ee237426fb53d86708
bpfire/config/forwardfw/rules.pl
Alexander Marx 08e1c65d85 Forward Firewall: added SNAT multiport support
2013-08-09 14:12:40 +02:00

598 lines
21 KiB
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#!/usr/bin/perl
###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2012 #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
# #
# Hi folks! I hope this code is useful for all. I needed something to handle #
# my VPN Connections in a comfortable way. #
# This script builds firewallrules from the webinterface #
###############################################################################
use strict;
use Time::Local;
no warnings 'uninitialized';
# enable only the following on debugging purpose
#use warnings;
#use CGI::Carp 'fatalsToBrowser';
my %fwdfwsettings=();
my %defaultNetworks=();
my %configfwdfw=();
my %color=();
my %icmptypes=();
my %ovpnSettings=();
my %customgrp=();
our %sourcehash=();
our %targethash=();
my @timeframe=();
my %configinputfw=();
my %configoutgoingfw=();
my %configdmzfw=();
my %confignatfw=();
my %aliases=();
my @DPROT=();
my @p2ps=();
require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/forward/bin/firewall-lib.pl";
my $configdmz = "${General::swroot}/forward/dmz";
my $configfwdfw = "${General::swroot}/forward/config";
my $configinput = "${General::swroot}/forward/input";
my $configoutgoing = "${General::swroot}/forward/outgoing";
my $confignat = "${General::swroot}/forward/nat";
my $p2pfile = "${General::swroot}/forward/p2protocols";
my $configgrp = "${General::swroot}/fwhosts/customgroups";
my $netsettings = "${General::swroot}/ethernet/settings";
my $errormessage='';
my $orange;
my $green;
my $blue;
my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
my $CHAIN="FORWARDFW";
my $conexists='off';
my $command = 'iptables -A';
my $dnat='';
my $snat='';
&General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
&General::readhash("$netsettings", \%defaultNetworks);
&General::readhasharray($configdmz, \%configdmzfw);
&General::readhasharray($configfwdfw, \%configfwdfw);
&General::readhasharray($configinput, \%configinputfw);
&General::readhasharray($configoutgoing, \%configoutgoingfw);
&General::readhasharray($confignat, \%confignatfw);
&General::readhasharray($configgrp, \%customgrp);
&General::get_aliases(\%aliases);
#check if we have an internetconnection
open (CONN,"/var/ipfire/red/iface");
my $con = <CONN>;
close(CONN);
if (-f "/var/ipfire/red/active"){
$conexists='on';
}
open (CONN1,"/var/ipfire/red/local-ipaddress");
my $redip = <CONN1>;
close(CONN1);
################################
# DEBUG/TEST #
################################
my $MODE=1; # 0 - normal operation
# 1 - print configline and rules to console
#
################################
my $param=shift;
if($param eq 'flush'){
if ($MODE eq '1'){
print " Flushing chains...\n";
}
&flush;
}else{
if ($MODE eq '1'){
print " Flushing chains...\n";
}
&flush;
if ($MODE eq '1'){
print " Preparing rules...\n";
}
&preparerules;
if($MODE eq '0'){
if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
&p2pblock;
system ("/usr/sbin/firewall-policy");
}elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
$defaultNetworks{'GREEN_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'GREEN_NETMASK'});
$green="$defaultNetworks{'GREEN_ADDRESS'}/$defaultNetworks{'GREEN_NETMASK'}";
if ($defaultNetworks{'BLUE_DEV'}){
$defaultNetworks{'BLUE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'BLUE_NETMASK'});
$blue="$defaultNetworks{'BLUE_ADDRESS'}/$defaultNetworks{'BLUE_NETMASK'}";
#set default rules for BLUE
system ("iptables -A $CHAIN -s $blue -d $green -j RETURN");
}
if ($defaultNetworks{'ORANGE_DEV'}){
$defaultNetworks{'ORANGE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'ORANGE_NETMASK'});
$orange="$defaultNetworks{'ORANGE_ADDRESS'}/$defaultNetworks{'ORANGE_NETMASK'}";
#set default rules for DMZ
system ("iptables -A $CHAIN -s $orange -d $green -j RETURN");
if ($defaultNetworks{'BLUE_DEV'}){
system ("iptables -A $CHAIN -s $orange -d $blue -j RETURN");
}
}
&p2pblock;
system ("iptables -A $CHAIN -m state --state NEW -j ACCEPT");
system ("/usr/sbin/firewall-policy");
}
}
}
sub flush
{
system ("iptables -F FORWARDFW");
system ("iptables -F INPUTFW");
system ("iptables -F OUTGOINGFW");
system ("iptables -F PORTFWACCESS");
system ("iptables -t nat -F NAT_DESTINATION");
system ("iptables -t nat -F NAT_SOURCE");
}
sub preparerules
{
if (! -z "${General::swroot}/forward/dmz"){
&buildrules(\%configdmzfw);
}
if (! -z "${General::swroot}/forward/config"){
&buildrules(\%configfwdfw);
}
if (! -z "${General::swroot}/forward/input"){
&buildrules(\%configinputfw);
}
if (! -z "${General::swroot}/forward/outgoing"){
&buildrules(\%configoutgoingfw);
}
if (! -z "${General::swroot}/forward/nat"){
&buildrules(\%confignatfw);
}
}
sub buildrules
{
my $hash=shift;
my $STAG;
my $natip;
my $snatport;
my $fireport;
my $nat;
my $fwaccessdport;
foreach my $key (sort {$a <=> $b} keys %$hash){
next if ($$hash{$key}[6] eq 'RED' && $conexists eq 'off' );
if ($$hash{$key}[28] eq 'ON'){
$command='iptables -t nat -A';
$natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
if($$hash{$key}[31] eq 'dnat'){
$nat='DNAT';
if ($$hash{$key}[30] =~ /\|/){
$$hash{$key}[30]=~ tr/|/,/;
$fireport='-m multiport --dport '.$$hash{$key}[30];
}else{
$fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
}
}else{
$nat='SNAT';
}
}
$STAG='';
if($$hash{$key}[2] eq 'ON'){
#get source ip's
if ($$hash{$key}[3] eq 'cust_grp_src'){
foreach my $grp (sort {$a <=> $b} keys %customgrp){
if($customgrp{$grp}[0] eq $$hash{$key}[4]){
&get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
}
}
}else{
&get_address($$hash{$key}[3],$$hash{$key}[4],"src");
}
#get target ip's
if ($$hash{$key}[5] eq 'cust_grp_tgt'){
foreach my $grp (sort {$a <=> $b} keys %customgrp){
if($customgrp{$grp}[0] eq $$hash{$key}[6]){
&get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
}
}
}elsif($$hash{$key}[5] eq 'ipfire'){
if($$hash{$key}[6] eq 'Default IP'){
open(FILE, "/var/ipfire/red/local-ipaddress") or die 'Unable to open config file.';
$targethash{$key}[0]= <FILE>;
close(FILE);
}else{
foreach my $alias (sort keys %aliases){
if ($$hash{$key}[6] eq $alias){
$targethash{$key}[0]=$aliases{$alias}{'IPT'};
}
}
}
}else{
&get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
}
##get source prot and port
$SRC_TGT='SRC';
$SPROT = &get_prot($hash,$key);
$SPORT = &get_port($hash,$key);
$SRC_TGT='';
##get target prot and port
$DPROT=&get_prot($hash,$key);
if ($DPROT eq ''){$DPROT=' ';}
@DPROT=split(",",$DPROT);
#get time if defined
if($$hash{$key}[18] eq 'ON'){
my ($time1,$time2,$daylight);
my $daylight=$$hash{$key}[28];
$time1=&get_time($$hash{$key}[26],$daylight);
$time2=&get_time($$hash{$key}[27],$daylight);
if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
$TIME=join(",",@timeframe);
$TIMEFROM="--timestart $time1 ";
$TIMETILL="--timestop $time2 ";
$TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
}
if ($MODE eq '1'){
print "NR:$key ";
foreach my $i (0 .. $#{$$hash{$key}}){
print "$i: $$hash{$key}[$i] ";
}
print "\n";
print"##################################\n";
#print rules to console
foreach my $DPROT (@DPROT){
$DPORT = &get_port($hash,$key,$DPROT);
if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
$PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
foreach my $a (sort keys %sourcehash){
foreach my $b (sort keys %targethash){
if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
if(substr($DPORT, 2, 4) eq 'icmp'){
my @icmprule= split(",",substr($DPORT, 12,));
foreach (@icmprule){
if ($$hash{$key}[17] eq 'ON'){
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
}
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
}
}elsif($$hash{$key}[28] ne 'ON'){
if ($$hash{$key}[17] eq 'ON'){
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
}
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
}elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
if ($$hash{$key}[17] eq 'ON'){
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
}
my ($ip,$sub) =split("/",$targethash{$b}[0]);
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
$DPORT =~ s/\-/:/g;
if ($DPORT){
$fwaccessdport="--dport ".substr($DPORT,1,);
}elsif(! $DPORT && $$hash{$key}[30] ne ''){
if ($$hash{$key}[30]=~m/|/i){
$$hash{$key}[30] =~ s/\|/,/g;
$fwaccessdport="-m multiport --dport $$hash{$key}[30]";
}else{
$fwaccessdport="--dport $$hash{$key}[30]";
}
}
print "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
}elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
}
}
}
}
}
print"\n";
}
}elsif($MODE eq '0'){
foreach my $DPROT (@DPROT){
$DPORT = &get_port($hash,$key,$DPROT);
if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
$PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
foreach my $a (sort keys %sourcehash){
foreach my $b (sort keys %targethash){
if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
if(substr($DPORT, 2, 4) eq 'icmp'){
my @icmprule= split(",",substr($DPORT, 12,));
foreach (@icmprule){
if ($$hash{$key}[17] eq 'ON'){
system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
}
system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
}
}elsif($$hash{$key}[28] ne 'ON'){
if ($$hash{$key}[17] eq 'ON'){
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
}
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
}elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
if ($$hash{$key}[17] eq 'ON'){
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
}
my ($ip,$sub) =split("/",$targethash{$b}[0]);
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
$DPORT =~ s/\-/:/g;
if ($DPORT){
$fwaccessdport="--dport ".substr($DPORT,1,);
}elsif(! $DPORT && $$hash{$key}[30] ne ''){
if ($$hash{$key}[30]=~m/|/i){
$$hash{$key}[30] =~ s/\|/,/g;
$fwaccessdport="-m multiport --dport $$hash{$key}[30]";
}else{
$fwaccessdport="--dport $$hash{$key}[30]";
}
}
system "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
}elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
if ($$hash{$key}[17] eq 'ON'){
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT '\n";
}
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip$fireport\n";
}
}
}
}
}
}
}
}
%sourcehash=();
%targethash=();
undef $TIME;
undef $TIMEFROM;
undef $TIMETILL;
undef $fireport;
}
}
sub get_nat_ip
{
my $val=shift;
my $type=shift;
my $result;
if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
$result=$defaultNetworks{$val.'_ADDRESS'};
}elsif($val eq 'ALL'){
$result='-i '.$con;
}elsif($val eq 'Default IP' && $type eq 'dnat'){
$result='-d '.$redip;
}elsif($val eq 'Default IP' && $type eq 'snat'){
$result=$redip;
}else{
foreach my $al (sort keys %aliases){
if($val eq $al && $type eq 'dnat'){
$result='-d '.$aliases{$al}{'IPT'};
}elsif($val eq $al && $type eq 'snat'){
$result=$aliases{$al}{'IPT'};
}
}
}
return $result;
}
sub get_time
{
my $val=shift;
my $val1=shift;
my $time;
my $minutes;
my $ruletime;
$minutes = &utcmin($val);
$ruletime = $minutes + &time_get_utc($val);
if ($ruletime < 0){$ruletime +=1440;}
if ($ruletime > 1440){$ruletime -=1440;}
$time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
return $time;
}
sub time_get_utc
{
# Calculates the UTCtime from a given time
my $val=shift;
my @localtime=localtime(time);
my @gmtime=gmtime(time);
my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
return $diff;
}
sub utcmin
{
my $ruletime=shift;
my ($hrs,$min) = split(":",$ruletime);
my $newtime = $hrs*60+$min;
return $newtime;
}
sub p2pblock
{
my $P2PSTRING;
my $DO;
open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
@p2ps = <FILE>;
close FILE;
my $CMD = "-m ipp2p";
foreach my $p2pentry (sort @p2ps) {
my @p2pline = split( /\;/, $p2pentry );
if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
$DO = "ACCEPT";
if ("$p2pline[2]" eq "on") {
$P2PSTRING = "$P2PSTRING --$p2pline[1]";
}
}else {
$DO = "RETURN";
if ("$p2pline[2]" eq "off") {
$P2PSTRING = "$P2PSTRING --$p2pline[1]";
}
}
}
if ($MODE eq 1){
if($P2PSTRING){
print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
}
}else{
if($P2PSTRING){
system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
}
}
}
sub get_address
{
my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
my $base2=shift;
my $type=shift; #src or tgt
my $hash;
if ($type eq 'src'){
$hash=\%sourcehash;
}else{
$hash=\%targethash;
}
my $key = &General::findhasharraykey($hash);
if($base eq 'src_addr' || $base eq 'tgt_addr' ){
if (&General::validmac($base2)){
$$hash{$key}[0] = "-m mac --mac-source $base2";
}else{
$$hash{$key}[0] = $base2;
}
}elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
$$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
}elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
$$hash{$key}[0]=&fwlib::get_net_ip($base2);
}elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
$$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
}elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
$$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
}elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
$$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
}elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
$$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,27);
}elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
$$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
}
}
sub get_prot
{
my $hash=shift;
my $key=shift;
if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
if ($$hash{$key}[10] ne ''){
return"$$hash{$key}[8]";
}elsif($$hash{$key}[9] ne ''){
return"$$hash{$key}[8]";
}else{
return "$$hash{$key}[8]";
}
}elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
if ($$hash{$key}[14] eq 'TGT_PORT'){
if ($$hash{$key}[15] ne ''){
return "$$hash{$key}[12]";
}elsif($$hash{$key}[13] ne ''){
return "$$hash{$key}[12]";
}else{
return "$$hash{$key}[12]";
}
}elsif($$hash{$key}[14] eq 'cust_srv'){
return &fwlib::get_srv_prot($$hash{$key}[15]);
}elsif($$hash{$key}[14] eq 'cust_srvgrp'){
return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
}
}
#DNAT
if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
return "$$hash{$key}[12]";
}
}
sub get_port
{
my $hash=shift;
my $key=shift;
my $prot=shift;
if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
if ($$hash{$key}[10] ne ''){
$$hash{$key}[10] =~ s/\|/,/g;
if(index($$hash{$key}[10],",") > 0){
return "-m multiport --sport $$hash{$key}[10] ";
}else{
if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat') ){
return "--sport $$hash{$key}[10] ";
}else{
return ":$$hash{$key}[10]";
}
}
}elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
return "--icmp-type $$hash{$key}[9] ";
}elsif($$hash{$key}[9] eq 'All ICMP-Types'){
return;
}
}elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
if($$hash{$key}[14] eq 'TGT_PORT'){
if ($$hash{$key}[15] ne ''){
$$hash{$key}[15] =~ s/\|/,/g;
if(index($$hash{$key}[15],",") > 0){
return "-m multiport --dport $$hash{$key}[15] ";
}else{
if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
return "--dport $$hash{$key}[15] ";
}else{
$$hash{$key}[15] =~ s/\:/-/g;
return ":$$hash{$key}[15]";
}
}
}elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
return "--icmp-type $$hash{$key}[13] ";
}elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
return;
}
}elsif($$hash{$key}[14] eq 'cust_srv'){
if ($prot ne 'ICMP'){
if($$hash{$key}[31] eq 'dnat'){
return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
}else{
return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
}
}elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
}elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
return;
}
}elsif($$hash{$key}[14] eq 'cust_srvgrp'){
if ($prot ne 'ICMP'){
return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
}
elsif($prot eq 'ICMP'){
return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
}
}
}
}
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