[people/teissler/ipfire-2.x.git] / config / forwardfw / rules.pl

#!/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;
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 %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 $configfwdfw		= "${General::swroot}/forward/config";
my $configinput	    = "${General::swroot}/forward/input";
my $configoutgoing  = "${General::swroot}/forward/outgoing";
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";


&General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
&General::readhash("$netsettings", \%defaultNetworks);
&General::readhasharray($configfwdfw, \%configfwdfw);
&General::readhasharray($configinput, \%configinputfw);
&General::readhasharray($configoutgoing, \%configoutgoingfw);
&General::readhasharray($configgrp, \%customgrp);
&General::get_aliases(\%aliases);

################################
#    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 $CHAIN -m state --state NEW -j ACCEPT");
			system ("/usr/sbin/firewall-policy");
		}
	}
}
sub flush
{
	system ("iptables -F FORWARDFW");
	system ("iptables -F INPUTFW");
	system ("iptables -F OUTGOINGFW");
}			
sub preparerules
{
	if (! -z  "${General::swroot}/forward/config"){
		&buildrules(\%configfwdfw);
	}
	if (! -z  "${General::swroot}/forward/input"){
		&buildrules(\%configinputfw);
	}
	if (! -z  "${General::swroot}/forward/outgoing"){
		&buildrules(\%configoutgoingfw);
	}
}
sub buildrules
{
	my $hash=shift;
	my $STAG;
	foreach my $key (sort {$a <=> $b} keys %$hash){
		$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($$hash{$key}[18] eq 'ON'){
				if($$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 $$hash{$key}[26] ";
				$TIMETILL="--timestop $$hash{$key}[27] ";
				$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 ($$hash{$key}[17] eq 'ON'){
										print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
									}
									print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n"; 
								}				
							}
						}
					}
					print"\n";
				}
			}elsif($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 ($$hash{$key}[17] eq 'ON'){
										system ("iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG");
									}
									system ("iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]"); 
								}				
							}
						}
					}
				}
			}
		}
		%sourcehash=();
		%targethash=();
		undef $TIME;
		undef $TIMEFROM;
		undef $TIMETILL;
	}
}
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'){
		$$hash{$key}[0]=&fwlib::get_std_net_ip($base2);
	}elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
		$$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]);
		}
	}
}
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 $$hash{$key}[10] ";
			}else{
				return "--sport $$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 $$hash{$key}[15] ";
				}else{
					return "--dport $$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'){
				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);
			}
		}
	}
}
Commit	Line	Data
2a81ab0d AM	1	#!/usr/bin/perl
	2	###############################################################################
	3	# #
	4	# IPFire.org - A linux based firewall #
	5	# Copyright (C) 2012 #
	6	# #
	7	# This program is free software: you can redistribute it and/or modify #
	8	# it under the terms of the GNU General Public License as published by #
	9	# the Free Software Foundation, either version 3 of the License, or #
	10	# (at your option) any later version. #
	11	# #
	12	# This program is distributed in the hope that it will be useful, #
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	15	# GNU General Public License for more details. #
	16	# #
	17	# You should have received a copy of the GNU General Public License #
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	19	# #
	20	###############################################################################
	21	# #
	22	# Hi folks! I hope this code is useful for all. I needed something to handle #
	23	# my VPN Connections in a comfortable way. #
	24	# This script builds firewallrules from the webinterface #
	25	###############################################################################
	26
2a81ab0d AM	27	use strict;
	28	no warnings 'uninitialized';
	29
	30	# enable only the following on debugging purpose
	31	#use warnings;
	32	#use CGI::Carp 'fatalsToBrowser';
	33
	34	my %fwdfwsettings=();
	35	my %defaultNetworks=();
	36	my %configfwdfw=();
	37	my %color=();
	38	my %icmptypes=();
	39	my %ovpnSettings=();
	40	my %customgrp=();
	41	our %sourcehash=();
	42	our %targethash=();
	43	my @timeframe=();
	44	my %configinputfw=();
5d7faa45	45	my %configoutgoingfw=();
2a81ab0d AM	46	my %aliases=();
2a81ab0d AM	47	my @DPROT=();
36196d0d	48	my @p2ps=();
2a81ab0d AM	49	require '/var/ipfire/general-functions.pl';
	50	require "${General::swroot}/lang.pl";
	51	require "${General::swroot}/forward/bin/firewall-lib.pl";
	52
	53	my $configfwdfw = "${General::swroot}/forward/config";
	54	my $configinput = "${General::swroot}/forward/input";
5d7faa45	55	my $configoutgoing = "${General::swroot}/forward/outgoing";
36196d0d	56	my $p2pfile = "${General::swroot}/forward/p2protocols";
2a81ab0d	57	my $configgrp = "${General::swroot}/fwhosts/customgroups";
210ee67b	58	my $netsettings = "${General::swroot}/ethernet/settings";
2a81ab0d	59	my $errormessage='';
210ee67b AM	60	my $orange;
210ee67b AM	61	my $green;
6adcf156	62	my $blue;
2a81ab0d AM	63	my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
	64	my $CHAIN="FORWARDFW";
	65
	66
	67	&General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
210ee67b	68	&General::readhash("$netsettings", \%defaultNetworks);
2a81ab0d AM	69	&General::readhasharray($configfwdfw, \%configfwdfw);
2a81ab0d AM	70	&General::readhasharray($configinput, \%configinputfw);
5d7faa45	71	&General::readhasharray($configoutgoing, \%configoutgoingfw);
2a81ab0d AM	72	&General::readhasharray($configgrp, \%customgrp);
	73	&General::get_aliases(\%aliases);
	74
	75	################################
	76	# DEBUG/TEST #
	77	################################
54cb7ff0	78	my $MODE=1; # 0 - normal operation
2a81ab0d AM	79	# 1 - print configline and rules to console
	80	#
	81	################################
	82	my $param=shift;
	83
	84	if($param eq 'flush'){
	85	if ($MODE eq '1'){
	86	print " Flushing chains...\n";
	87	}
	88	&flush;
	89	}else{
	90	if ($MODE eq '1'){
	91	print " Flushing chains...\n";
	92	}
	93	&flush;
	94	if ($MODE eq '1'){
	95	print " Preparing rules...\n";
	96	}
	97	&preparerules;
	98	if($MODE eq '0'){
	99	if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
af49e367	100	&p2pblock;
5d7faa45	101	system ("/usr/sbin/firewall-policy");
2a81ab0d	102	}elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
6adcf156 AM	103	$defaultNetworks{'GREEN_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'GREEN_NETMASK'});
6adcf156 AM	104	$green="$defaultNetworks{'GREEN_ADDRESS'}/$defaultNetworks{'GREEN_NETMASK'}";
6adcf156 AM	105	if ($defaultNetworks{'BLUE_DEV'}){
	106	$defaultNetworks{'BLUE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'BLUE_NETMASK'});
	107	$blue="$defaultNetworks{'BLUE_ADDRESS'}/$defaultNetworks{'BLUE_NETMASK'}";
	108	#set default rules for BLUE
	109	system ("iptables -A $CHAIN -s $blue -d $green -j RETURN");
	110	}
5b7ed8bb AM	111	if ($defaultNetworks{'ORANGE_DEV'}){
	112	$defaultNetworks{'ORANGE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'ORANGE_NETMASK'});
	113	$orange="$defaultNetworks{'ORANGE_ADDRESS'}/$defaultNetworks{'ORANGE_NETMASK'}";
	114	#set default rules for DMZ
	115	system ("iptables -A $CHAIN -s $orange -d $green -j RETURN");
	116	if ($defaultNetworks{'BLUE_DEV'}){
	117	system ("iptables -A $CHAIN -s $orange -d $blue -j RETURN");
	118	}
	119	}
	120
6adcf156	121	&p2pblock;
fd10a52c	122	system ("iptables -A $CHAIN -m state --state NEW -j ACCEPT");
5d7faa45	123	system ("/usr/sbin/firewall-policy");
2a81ab0d AM	124	}
	125	}
	126	}
2a81ab0d AM	127	sub flush
	128	{
	129	system ("iptables -F FORWARDFW");
	130	system ("iptables -F INPUTFW");
5d7faa45	131	system ("iptables -F OUTGOINGFW");
2a81ab0d AM	132	}
	133	sub preparerules
	134	{
	135	if (! -z "${General::swroot}/forward/config"){
	136	&buildrules(\%configfwdfw);
	137	}
	138	if (! -z "${General::swroot}/forward/input"){
	139	&buildrules(\%configinputfw);
	140	}
5d7faa45 AM	141	if (! -z "${General::swroot}/forward/outgoing"){
	142	&buildrules(\%configoutgoingfw);
	143	}
2a81ab0d AM	144	}
	145	sub buildrules
	146	{
	147	my $hash=shift;
b5269091	148	my $STAG;
992394d5	149	foreach my $key (sort {$a <=> $b} keys %$hash){
b5269091	150	$STAG='';
2a81ab0d AM	151	if($$hash{$key}[2] eq 'ON'){
	152	#get source ip's
	153	if ($$hash{$key}[3] eq 'cust_grp_src'){
992394d5	154	foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d AM	155	if($customgrp{$grp}[0] eq $$hash{$key}[4]){
	156	&get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
	157	}
	158	}
	159	}else{
	160	&get_address($$hash{$key}[3],$$hash{$key}[4],"src");
	161	}
	162	#get target ip's
	163	if ($$hash{$key}[5] eq 'cust_grp_tgt'){
992394d5	164	foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d AM	165	if($customgrp{$grp}[0] eq $$hash{$key}[6]){
	166	&get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
	167	}
	168	}
	169	}elsif($$hash{$key}[5] eq 'ipfire'){
2a81ab0d AM	170	if($$hash{$key}[6] eq 'Default IP'){
	171	open(FILE, "/var/ipfire/red/local-ipaddress") or die 'Unable to open config file.';
	172	$targethash{$key}[0]= <FILE>;
	173	close(FILE);
	174	}else{
	175	foreach my $alias (sort keys %aliases){
	176	if ($$hash{$key}[6] eq $alias){
	177	$targethash{$key}[0]=$aliases{$alias}{'IPT'};
	178	}
	179	}
	180	}
	181	}else{
	182	&get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
	183	}
2a81ab0d AM	184	##get source prot and port
	185	$SRC_TGT='SRC';
	186	$SPROT = &get_prot($hash,$key);
	187	$SPORT = &get_port($hash,$key);
	188	$SRC_TGT='';
14f7cb87	189
2a81ab0d AM	190	##get target prot and port
2a81ab0d AM	191	$DPROT=&get_prot($hash,$key);
14f7cb87	192
2a81ab0d AM	193	if ($DPROT eq ''){$DPROT=' ';}
2a81ab0d AM	194	@DPROT=split(",",$DPROT);
14f7cb87	195
2a81ab0d AM	196	#get time if defined
	197	if($$hash{$key}[18] eq 'ON'){
	198	if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
	199	if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
	200	if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
	201	if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
	202	if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
	203	if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
	204	if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
	205	$TIME=join(",",@timeframe);
	206	$TIMEFROM="--timestart $$hash{$key}[26] ";
	207	$TIMETILL="--timestop $$hash{$key}[27] ";
	208	$TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
	209	}
2a81ab0d AM	210	if ($MODE eq '1'){
	211	print "NR:$key ";
	212	foreach my $i (0 .. $#{$$hash{$key}}){
	213	print "$i: $$hash{$key}[$i] ";
	214	}
	215	print "\n";
	216	print"##################################\n";
	217	#print rules to console
2a81ab0d AM	218	foreach my $DPROT (@DPROT){
	219	$DPORT = &get_port($hash,$key,$DPROT);
	220	if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
	221	$PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
	222	foreach my $a (sort keys %sourcehash){
	223	foreach my $b (sort keys %targethash){
d7dc9718	224	if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' \|\| $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
2a81ab0d	225	if($SPROT eq '' \|\| $SPROT eq $DPROT \|\| $DPROT eq ' '){
5d7faa45	226	if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
2a81ab0d	227	if ($$hash{$key}[17] eq 'ON'){
b5269091	228	print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
2a81ab0d	229	}
b5269091	230	print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
2a81ab0d AM	231	}
	232	}
	233	}
	234	}
	235	print"\n";
	236	}
2a81ab0d AM	237	}elsif($MODE eq '0'){
	238	foreach my $DPROT (@DPROT){
	239	$DPORT = &get_port($hash,$key,$DPROT);
	240	if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
	241	$PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
	242	foreach my $a (sort keys %sourcehash){
	243	foreach my $b (sort keys %targethash){
d7dc9718	244	if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' \|\| $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
2a81ab0d	245	if($SPROT eq '' \|\| $SPROT eq $DPROT \|\| $DPROT eq ' '){
5d7faa45	246	if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
2a81ab0d	247	if ($$hash{$key}[17] eq 'ON'){
b5269091	248	system ("iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG");
2a81ab0d	249	}
b5269091	250	system ("iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]");
2a81ab0d AM	251	}
	252	}
	253	}
	254	}
2a81ab0d AM	255	}
	256	}
	257	}
	258	%sourcehash=();
	259	%targethash=();
	260	undef $TIME;
	261	undef $TIMEFROM;
	262	undef $TIMETILL;
	263	}
	264	}
36196d0d AM	265	sub p2pblock
	266	{
	267	my $P2PSTRING;
	268	my $DO;
	269	open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
	270	@p2ps = <FILE>;
	271	close FILE;
	272	my $CMD = "-m ipp2p";
	273	foreach my $p2pentry (sort @p2ps) {
	274	my @p2pline = split( /\;/, $p2pentry );
8d1beadc AM	275	if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
8d1beadc AM	276	$DO = "ACCEPT";
5238a871	277	if ("$p2pline[2]" eq "on") {
36196d0d AM	278	$P2PSTRING = "$P2PSTRING --$p2pline[1]";
36196d0d AM	279	}
8d1beadc	280	}else {
36196d0d	281	$DO = "RETURN";
5238a871	282	if ("$p2pline[2]" eq "off") {
36196d0d AM	283	$P2PSTRING = "$P2PSTRING --$p2pline[1]";
	284	}
	285	}
	286	}
	287	if ($MODE eq 1){
	288	if($P2PSTRING){
	289	print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
	290	}
	291	}else{
	292	if($P2PSTRING){
	293	system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
	294	}
	295	}
	296	}
	297
2a81ab0d AM	298	sub get_address
	299	{
	300	my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
	301	my $base2=shift;
	302	my $type=shift; #src or tgt
	303	my $hash;
	304	if ($type eq 'src'){
	305	$hash=\%sourcehash;
	306	}else{
	307	$hash=\%targethash;
	308	}
	309	my $key = &General::findhasharraykey($hash);
	310	if($base eq 'src_addr' \|\| $base eq 'tgt_addr' ){
b5269091 AM	311	if (&General::validmac($base2)){
	312	$$hash{$key}[0] = "-m mac --mac-source $base2";
	313	}else{
	314	$$hash{$key}[0] = $base2;
	315	}
2a81ab0d AM	316	}elsif($base eq 'std_net_src' \|\| $base eq 'std_net_tgt' \|\| $base eq 'Standard Network'){
	317	$$hash{$key}[0]=&fwlib::get_std_net_ip($base2);
	318	}elsif($base eq 'cust_net_src' \|\| $base eq 'cust_net_tgt' \|\| $base eq 'Custom Network'){
	319	$$hash{$key}[0]=&fwlib::get_net_ip($base2);
	320	}elsif($base eq 'cust_host_src' \|\| $base eq 'cust_host_tgt' \|\| $base eq 'Custom Host'){
	321	$$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
	322	}elsif($base eq 'ovpn_net_src' \|\| $base eq 'ovpn_net_tgt' \|\| $base eq 'OpenVPN static network'){
	323	$$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
	324	}elsif($base eq 'ovpn_host_src' \|\|$base eq 'ovpn_host_tgt' \|\| $base eq 'OpenVPN static host'){
	325	$$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
	326	}elsif($base eq 'ovpn_n2n_src' \|\|$base eq 'ovpn_n2n_tgt' \|\| $base eq 'OpenVPN N-2-N'){
	327	$$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,27);
	328	}elsif($base eq 'ipsec_net_src' \|\| $base eq 'ipsec_net_tgt' \|\| $base eq 'IpSec Network'){
	329	$$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
	330	}
	331	}
	332	sub get_prot
	333	{
	334	my $hash=shift;
	335	my $key=shift;
	336	if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
	337	if ($$hash{$key}[10] ne ''){
	338	return"$$hash{$key}[8]";
	339	}elsif($$hash{$key}[9] ne ''){
	340	return"$$hash{$key}[8]";
	341	}else{
	342	return "$$hash{$key}[8]";
	343	}
	344	}elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
	345	if ($$hash{$key}[14] eq 'TGT_PORT'){
	346	if ($$hash{$key}[15] ne ''){
	347	return "$$hash{$key}[12]";
	348	}elsif($$hash{$key}[13] ne ''){
	349	return "$$hash{$key}[12]";
	350	}else{
	351	return "$$hash{$key}[12]";
	352	}
	353	}elsif($$hash{$key}[14] eq 'cust_srv'){
	354	return &fwlib::get_srv_prot($$hash{$key}[15]);
	355
	356	}elsif($$hash{$key}[14] eq 'cust_srvgrp'){
	357	return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
	358	}
	359	}
	360	}
	361	sub get_port
	362	{
	363	my $hash=shift;
	364	my $key=shift;
	365	my $prot=shift;
	366	if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
	367	if ($$hash{$key}[10] ne ''){
8f0b047b	368	$$hash{$key}[10] =~ s/\\|/,/g;
93a5f4a5 AM	369	if(index($$hash{$key}[10],",") > 0){
	370	return "-m multiport --sport $$hash{$key}[10] ";
	371	}else{
	372	return "--sport $$hash{$key}[10] ";
	373	}
62fc8511	374	}elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
2a81ab0d	375	return "--icmp-type $$hash{$key}[9] ";
62fc8511 AM	376	}elsif($$hash{$key}[9] eq 'All ICMP-Types'){
62fc8511 AM	377	return;
2a81ab0d AM	378	}
2a81ab0d AM	379	}elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
b5269091	380
2a81ab0d AM	381	if($$hash{$key}[14] eq 'TGT_PORT'){
2a81ab0d AM	382	if ($$hash{$key}[15] ne ''){
8f0b047b	383	$$hash{$key}[15] =~ s/\\|/,/g;
93a5f4a5 AM	384	if(index($$hash{$key}[15],",") > 0){
	385	return "-m multiport --dport $$hash{$key}[15] ";
	386	}else{
	387	return "--dport $$hash{$key}[15] ";
	388	}
2a81ab0d AM	389	}elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
	390	return "--icmp-type $$hash{$key}[13] ";
	391	}elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
	392	return;
	393	}
	394	}elsif($$hash{$key}[14] eq 'cust_srv'){
	395	if ($prot ne 'ICMP'){
	396	return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
	397	}elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
	398	return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
	399	}elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
	400	return;
	401	}
	402	}elsif($$hash{$key}[14] eq 'cust_srvgrp'){
	403	if ($prot ne 'ICMP'){
	404	return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
	405	}
	406	elsif($prot eq 'ICMP'){
	407	return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
	408	}
2a81ab0d AM	409	}
	410	}
	411	}