]> git.ipfire.org Git - people/teissler/ipfire-2.x.git/blobdiff - config/forwardfw/rules.pl
Forward Firewall: moved default rules from FORWARDFW to POLICYFWD
[people/teissler/ipfire-2.x.git] / config / forwardfw / rules.pl
index 4461893ae99911854f273c3a973b5e3fc156f753..d62cca0d77dcb6f47a1d32206f3b5f0b54886a12 100755 (executable)
@@ -44,7 +44,6 @@ our %targethash=();
 my @timeframe=();
 my %configinputfw=();
 my %configoutgoingfw=();
-my %configdmzfw=();
 my %confignatfw=();
 my %aliases=();
 my @DPROT=();
@@ -53,11 +52,9 @@ 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";
@@ -73,11 +70,9 @@ 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);
 
@@ -119,26 +114,10 @@ if($param eq 'flush'){
                        &p2pblock;
                        system ("/usr/sbin/firewall-policy"); 
                }elsif($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 $CHAIN -m state --state NEW -j ACCEPT");
                        system ("/usr/sbin/firewall-policy");
+                       system ("/etc/sysconfig/firewall.local reload");
                }
        }
 }
@@ -147,12 +126,11 @@ sub flush
        system ("iptables -F FORWARDFW");
        system ("iptables -F INPUTFW");
        system ("iptables -F OUTGOINGFW");
+       system ("iptables -t nat -F NAT_DESTINATION");
+       system ("iptables -t nat -F NAT_SOURCE");
 }                      
 sub preparerules
 {
-       if (! -z  "${General::swroot}/forward/dmz"){
-               &buildrules(\%configdmzfw);
-       }
        if (! -z  "${General::swroot}/forward/config"){
                &buildrules(\%configfwdfw);
        }
@@ -173,16 +151,24 @@ sub buildrules
        my $natip;
        my $snatport;
        my $fireport;
+       my $nat;
+       my $fwaccessdport;
+       my $natchain;
        foreach my $key (sort {$a <=> $b} keys %$hash){
-               next if ($$hash{$key}[6] eq 'RED' && $conexists eq 'off' );
+               next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
                if ($$hash{$key}[28] eq 'ON'){
                        $command='iptables -t nat -A';
-                       $natip=&get_nat_ip($$hash{$key}[29]);
+                       $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
                        if($$hash{$key}[31] eq 'dnat'){
-                               $$hash{$key}[0]='DNAT';
-                               $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
+                               $nat='DNAT';
+                               if ($$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{
-                               $$hash{$key}[0]='SNAT';
+                               $nat='SNAT';
                        }
                }
                $STAG='';
@@ -204,9 +190,21 @@ sub buildrules
                                                &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
                                        }
                                }
-                       }elsif($$hash{$key}[5] eq 'ipfire'){
-                               if($$hash{$key}[6] eq 'Default IP'){
-                                       open(FILE, "/var/ipfire/red/local-ipaddress") or die 'Unable to open config file.';
+                       }elsif($$hash{$key}[5] eq 'ipfire' ){
+                               if($$hash{$key}[6] eq 'GREEN'){
+                                       $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
+                               }
+                               if($$hash{$key}[6] eq 'BLUE'){
+                                       $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
+                               }
+                               if($$hash{$key}[6] eq 'ORANGE'){
+                                       $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
+                               }
+                               if($$hash{$key}[6] eq 'ALL'){
+                                       $targethash{$key}[0]='0.0.0.0/0';
+                               }
+                               if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
+                                       open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
                                        $targethash{$key}[0]= <FILE>;
                                        close(FILE);
                                }else{
@@ -275,19 +273,34 @@ sub buildrules
                                                                                        }
                                                                                        print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
                                                                                }
-                                                                       }elsif($$hash{$key}[28] ne 'ON'){
+                                                                       }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
+                                                                               $natchain='NAT_DESTINATION';
                                                                                if ($$hash{$key}[17] eq 'ON'){
-                                                                                       print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
+                                                                                       print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
+                                                                               }
+                                                                               my ($ip,$sub) =split("/",$targethash{$b}[0]);
+                                                                               print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
+                                                                               $DPORT =~ s/\-/:/g;
+                                                                               if ($DPORT){
+                                                                                       $fwaccessdport="--dport ".substr($DPORT,1,);
+                                                                               }elsif(! $DPORT && $$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{$key}[30]";
+                                                                                       }
                                                                                }
-                                                                               print "$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}[32] eq 'dnat'){
-                                                                               #if ($$hash{$key}[17] eq 'ON'){
-                                                                                       #print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $targethash{$b}[0] $DPORT $TIME -j LOG\n";
-                                                                               #}
-                                                                               print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $$hash{$key}[0]  --to $targethash{$b}[0]$DPORT\n";
-                                                                       }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[32] eq 'snat'){
-                                                                               print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]  --to $natip$fireport\n";
+                                                                               print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
+                                                                               next;
+                                                                       }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
+                                                                               $natchain='NAT_SOURCE';
+                                                                               print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
                                                                        }
+                                                                       if ($$hash{$key}[17] eq 'ON'){
+                                                                                       print "$command $natchain $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{$key}[0]\n";
                                                                }                               
                                                        }
                                                }
@@ -312,25 +325,34 @@ sub buildrules
                                                                                        }
                                                                                        system ("$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' && $$hash{$key}[31] eq 'dnat'){
+                                                                               $natchain='NAT_DESTINATION';
                                                                                if ($$hash{$key}[17] eq 'ON'){
-                                                                                       system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
+                                                                                       system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
                                                                                }
-                                                                               my $fwaccessdport="--dport ".substr($DPORT,1,) if ($DPORT);
                                                                                my ($ip,$sub) =split("/",$targethash{$b}[0]);
-                                                                               system "iptables -A PORTFWACCESS $PROT $STAG $sourcehash{$a}[0] -d $targethash{$b}[0] $fwaccessdport $TIME \n";
-                                                                               system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $$hash{$key}[0]  --to $ip$DPORT\n";
-                                                                       }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
-                                                                               if ($$hash{$key}[17] eq 'ON'){
-                                                                                       system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT '\n";
+                                                                               system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
+                                                                               $DPORT =~ s/\-/:/g;
+                                                                               if ($DPORT){
+                                                                                       $fwaccessdport="--dport ".substr($DPORT,1,);
+                                                                               }elsif(! $DPORT && $$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{$key}[30]";
+                                                                                       }
                                                                                }
-                                                                               system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]  --to $natip$fireport\n";
+                                                                               system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
+                                                                               next;
+                                                                       }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
+                                                                               $natchain='NAT_SOURCE';
+                                                                               system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
                                                                        }
+                                                                       if ($$hash{$key}[17] eq 'ON'){
+                                                                               system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
+                                                                       }
+                                                                       system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
                                                                }                               
                                                        }
                                                }
@@ -349,17 +371,22 @@ sub buildrules
 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($val eq 'Default IP'){
+       }elsif($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 $al){
+                       if($val eq $al && $type eq 'dnat'){
                                $result='-d '.$aliases{$al}{'IPT'};
+                       }elsif($val eq $al && $type eq 'snat'){
+                               $result=$aliases{$al}{'IPT'};
                        }
                }
        }
@@ -456,9 +483,33 @@ sub get_address
        }elsif($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);
+               $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
        }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
                $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
+       }elsif($base eq 'ipfire_src' ){
+               if($base2 eq 'GREEN'){
+                       $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
+               }
+               if($base2 eq 'BLUE'){
+                       $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
+               }
+               if($base2 eq 'ORANGE'){
+                       $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
+               }
+               if($base2 eq 'ALL'){
+                       $$hash{$key}[0]='0.0.0.0/0';
+               }
+               if($base2 eq 'RED' || $base2 eq 'RED1'){
+                       open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
+                       $$hash{$key}[0]= <FILE>;
+                       close(FILE);
+               }else{
+                       foreach my $alias (sort keys %aliases){
+                               if ($base2 eq $alias){
+                                       $$hash{$key}[0]=$aliases{$alias}{'IPT'};
+                               }
+                       }
+               }
        }
 }
 sub get_prot
@@ -489,6 +540,10 @@ sub get_prot
                        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 "$$hash{$key}[12]";
+       }
 }
 sub get_port
 {
@@ -513,7 +568,6 @@ sub get_port
                        return;
                }
        }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
-               
                if($$hash{$key}[14] eq 'TGT_PORT'){
                        if ($$hash{$key}[15] ne ''){
                                $$hash{$key}[15] =~ s/\|/,/g;
@@ -523,6 +577,7 @@ sub get_port
                                        if($$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 ":$$hash{$key}[15]";
                                         }
                                }
@@ -533,7 +588,11 @@ sub get_port
                        }
                }elsif($$hash{$key}[14] eq 'cust_srv'){
                        if ($prot ne 'ICMP'){
-                               return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
+                               if($$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'){