]> git.ipfire.org Git - people/teissler/ipfire-2.x.git/blobdiff - config/forwardfw/convert-dmz
Forward Firewall: added dmz-converter.
[people/teissler/ipfire-2.x.git] / config / forwardfw / convert-dmz
diff --git a/config/forwardfw/convert-dmz b/config/forwardfw/convert-dmz
new file mode 100755 (executable)
index 0000000..639cef3
--- /dev/null
@@ -0,0 +1,172 @@
+#!/usr/bin/perl
+
+######################################################################## 
+# Script:      convert-dmz
+# Date:                03.04.2013
+# Author:      Alexander Marx (amarx@ipfire.org)
+########################################################################
+#
+# This script converts old dmz holes rules from old Firewall
+# to the new one. This is a 2-step process.
+# STEP1: read old config and normalize settings
+# STEP2: check valid ip and save valid rules to new firewall
+# 
+########################################################################
+my @current=();
+my @alias=();
+my %configdmz=();
+my %ifaces=();
+my %configfwdfw=();
+require '/var/ipfire/general-functions.pl';
+my $dmzconfig    = "${General::swroot}/dmzholes/config";
+my $fwdfwconfig   = "${General::swroot}/forward/dmz";
+my $ifacesettings = "${General::swroot}/ethernet/settings";
+my $field0     = 'ACCEPT';
+my $field1     = 'FORWARDFW';
+my $field2     = ''; #ON or emtpy
+my $field3     = ''; #std_net_src or src_addr
+my $field4     = ''; #ALL or IP-Address with /32
+my $field5     = ''; #std_net_tgt or tgt_addr
+my $field6     = ''; #IP or network name
+my $field11    = 'ON'; #use target port 
+my $field12    = ''; #TCP or UDP
+my $field13    = 'All ICMP-Types';
+my $field14    = 'TGT_PORT';
+my $field15    = ''; #Port Number
+my $field16    = ''; #remark
+my $field26    = '00:00';
+my $field27    = '00:00';
+open(FILE, $dmzconfig) or die 'Unable to open config file.';
+my @current = <FILE>;
+close(FILE);
+#open LOGFILE
+open (LOG, ">/var/log/converters/dmz-convert.log") or die $!;
+&General::readhash($ifacesettings, \%ifaces);
+&General::readhasharray($fwdfwconfig,\%configfwdfw);
+&process_rules;
+sub process_rules{
+       foreach my $line (@current){
+               my $now=localtime;
+               #get values from old configfile
+               my ($a,$b,$c,$d,$e,$f,$g,$h) = split (",",$line);
+               $h =~ s/\s//gi;
+               print LOG "$Now Processing A: $a   B: $b   C: $c   D: $d   E: $e   F: $f   G: $g   H: $h\n";
+               #Now convert values and check ip addresses
+               $a=uc($a);
+               $e=uc($e);
+               $field2=$e if($e eq 'ON');
+               #SOURCE IP-check
+               $b=&check_ip($b);
+               if (&General::validipandmask($b)){
+                       #When ip valid, check if we have a network
+                       my ($ip,$subnet) = split ("/",$b);
+                       if ($f eq 'orange' && $ip eq $ifaces{'ORANGE_NETADDRESS'}){
+                               $field3='std_net_src';
+                               $field4='ORANGE';
+                       }elsif($f eq 'blue' && $ip eq $ifaces{'BLUE_NETADDRESS'}){
+                               $field3='std_net_src';
+                               $field4='BLUE';
+                       }elsif($f eq 'orange' && &General::IpInSubnet($ip,$ifaces{'ORANGE_NETADDRESS'},$ifaces{'ORANGE_NETMASK'})){
+                               $field3='src_addr';
+                               $field4=$b;
+                       }elsif($f eq 'blue' && &General::IpInSubnet($ip,$ifaces{'BLUE_NETADDRESS'},$ifaces{'BLUE_NETMASK'})){
+                               $field3='src_addr';
+                               $field4=$b;
+                       }else{
+                               print LOG "$now ->NOT Converted, source ip $b not part of source network $f \n\n";
+                               next;
+                       }
+               }else{
+                       print LOG "$now -> SOURCE IP INVALID. \n\n";
+                       next;
+               }
+               #TARGET IP-check
+               $c=&check_ip($c);
+               if (&General::validipandmask($c)){
+                       my $now=localtime;
+                       #When ip valid, check if we have a network
+                       my ($ip,$subnet) = split ("/",$c);
+                       if ($g eq 'green' && $ip eq $ifaces{'GREEN_NETADDRESS'}){
+                               $field5='std_net_tgt';
+                               $field6='GREEN';
+                       }elsif($g eq 'blue' && $ip eq $ifaces{'BLUE_NETADDRESS'}){
+                               $field5='std_net_tgt';
+                               $field6='BLUE';
+                       }elsif($g eq 'green' && &General::IpInSubnet($ip,$ifaces{'GREEN_NETADDRESS'},$ifaces{'GREEN_NETMASK'})){
+                               $field5='tgt_addr';
+                               $field6=$c;
+                       }elsif($g eq 'blue' && &General::IpInSubnet($ip,$ifaces{'BLUE_NETADDRESS'},$ifaces{'BLUE_NETMASK'})){
+                               $field5='tgt_addr';
+                               $field6=$c;
+                       }else{
+                               print LOG "$Now ->NOT Converted, invalid Source IP $b\n\n";
+                               next;
+                       }
+               }else{
+                       print LOG "$now -> SOURCE IP INVALID. \n\n";
+                       next;
+               }
+               $field12=$a;
+               #convert portrange
+               $d =~ tr/-/:/;
+               $field15=$d;
+               $field16=$h;
+               ##Ausgabe
+               #print "A: $a   B: $b   C: $c   D: $d   E: $e   F: $f   G: $g   H: $h\n";
+               #print "0:$field0 1:$field1 2:$field2  3:$field3  4:$field4  5:$field5  6:$field6  11:$field11   12:$field12 13:$field13 14:$field14 15:$field15 16:$field16 26:$field26 27:$field27\n\n\n";
+               my $key = &General::findhasharraykey (\%configfwdfw);
+               foreach my $i (0 .. 27) { $configfwdfw{$key}[$i] = "";}
+               $configfwdfw{$key}[0] = $field0;
+               $configfwdfw{$key}[1] = $field1;
+               $configfwdfw{$key}[2] = $field2;
+               $configfwdfw{$key}[3] = $field3;
+               $configfwdfw{$key}[4] = $field4;
+               $configfwdfw{$key}[5] = $field5;
+               $configfwdfw{$key}[6] = $field6;
+               $configfwdfw{$key}[7] = '';
+               $configfwdfw{$key}[8] = '';
+               $configfwdfw{$key}[9] = '';
+               $configfwdfw{$key}[10] = '';
+               $configfwdfw{$key}[11] = $field11;
+               $configfwdfw{$key}[12] = $field12;
+               $configfwdfw{$key}[13] = $field13;
+               $configfwdfw{$key}[14] = $field14;
+               $configfwdfw{$key}[15] = $field15;
+               $configfwdfw{$key}[16] = $field16;
+               $configfwdfw{$key}[17] = '';
+               $configfwdfw{$key}[18] = '';
+               $configfwdfw{$key}[19] = '';
+               $configfwdfw{$key}[20] = '';
+               $configfwdfw{$key}[21] = '';
+               $configfwdfw{$key}[22] = '';
+               $configfwdfw{$key}[23] = '';
+               $configfwdfw{$key}[24] = '';
+               $configfwdfw{$key}[25] = '';
+               $configfwdfw{$key}[26] = $field26;
+               $configfwdfw{$key}[27] = $field27;
+               print LOG "$Now -> Converted to $field0,$field1,$field2,$field3,$field4,$field5,$field6,,,,,$field11,$field12,$field13,$field14,$field15,$field16,,,,,,,,,,$field26,$field27\n";
+       }
+       &General::writehasharray($fwdfwconfig,\%configfwdfw);
+close (LOG);
+}
+
+sub check_ip
+{
+       my $adr=shift;
+       my $a;
+       #ip with subnet in decimal
+       if($adr =~ m/^(\d\d?\d?).(\d\d?\d?).(\d\d?\d?).(\d\d?\d?)\/(\d{1,2})$/){
+               $adr=int($1).".".int($2).".".int($3).".".int($4);
+               my $b = &General::iporsubtodec($5);
+               $a=$adr."/".$b;
+       }elsif($adr =~ /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/){
+               $adr=int($1).".".int($2).".".int($3).".".int($4);
+               if(&General::validip($adr)){
+                       $a=$adr."/32";
+               }
+       }
+       if(&General::validipandmask($adr)){
+               $a=&General::iporsubtodec($adr);
+       }
+       return $a;
+}