Forward Firewall: added SNAT multiport support

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

diff --git a/config/forwardfw/rules.pl b/config/forwardfw/rules.pl
index 49a45b1a595a7cf1605e42cd2bb06ae3c61c6bd9..1cbbee7a58b77e4358cfaf74253c0ceda8cb09b9 100755 (executable)
--- a/config/forwardfw/rules.pl
+++ b/config/forwardfw/rules.pl
@@ -176,16 +176,23 @@ sub buildrules
        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($$hash{$key}[29]);
+                       $natip=&get_nat_ip($$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{
-                               $$hash{$key}[0]='SNAT';
+                               $nat='SNAT';
                        }
                }
                $STAG='';
@@ -288,12 +295,21 @@ sub buildrules
                                                                                        print "$command $$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 $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $$hash{$key}[0]  --to $ip$DPORT\n";
+                                                                               print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
                                                                                $DPORT =~ s/\-/:/g;
-                                                                               my $fwaccessdport="--dport ".substr($DPORT,1,) if ($DPORT);
-                                                                               print "iptables -A PORTFWACCESS $PROT -i $con -d $ip $fwaccessdport $TIME -j ACCEPT\n";
-                                                                       }elsif($$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 $$hash{$key}[0]  --to $natip$fireport\n";
+                                                                               if ($DPORT){
+                                                                                       $fwaccessdport="--dport ".substr($DPORT,1,);
+                                                                               }elsif(! $DPORT && $$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 $natip\n";
                                                                        }
                                                                }                               
                                                        }
@@ -329,16 +345,24 @@ sub buildrules
                                                                                        system "$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 $$hash{$key}[0]  --to $ip$DPORT\n";
+                                                                               system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
                                                                                $DPORT =~ s/\-/:/g;
-                                                                               my $fwaccessdport="--dport ".substr($DPORT,1,) if ($DPORT);
-                                                                               system "iptables -A PORTFWACCESS $PROT -i $con -d $ip $fwaccessdport $TIME -j ACCEPT\n";
-                                                                               
+                                                                               if ($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 $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]  --to $natip$fireport\n";
+                                                                               system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat  --to $natip$fireport\n";
                                                                        }
                                                                }                               
                                                        }
@@ -358,17 +382,22 @@ sub buildrules
 sub get_nat_ip
 {
        my $val=shift;
+       my $type=shift;
        my $result;
        if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
                $result=$defaultNetworks{$val.'_ADDRESS'};
        }elsif($val eq 'ALL'){
                $result='-i '.$con;
-       }elsif($val eq 'Default IP'){
+       }elsif($val eq 'Default IP' && $type eq 'dnat'){
                $result='-d '.$redip;
+       }elsif($val eq 'Default IP' && $type eq 'snat'){
+               $result=$redip;
        }else{
                foreach my $al (sort keys %aliases){
-                       if($val eq $al){
+                       if($val eq $al && $type eq 'dnat'){
                                $result='-d '.$aliases{$al}{'IPT'};
+                       }elsif($val eq $al && $type eq 'snat'){
+                               $result=$aliases{$al}{'IPT'};
                        }
                }
        }
@@ -498,6 +527,10 @@ sub get_prot
                        return &fwlib::get_srvgrp_prot($$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
 {