--- /dev/null
+#!/usr/bin/perl
+
+########################################################################
+# Script: convert-portfw
+# Date: 19.03.2013
+# Author: Alexander Marx (amarx@ipfire.org)
+########################################################################
+#
+# This script converts old portforwarding rules from old Firewall
+# to the new one. This is a 3-step process.
+# STEP1: read old config and normalize settings
+# STEP2: create new rules from old ones
+# STEP3: check if rule already exists, when not, put it into
+# /var/ipfire/forward/nat
+########################################################################
+require '/var/ipfire/general-functions.pl';
+my @values=();
+my @built_rules=();
+my %nat=();
+my $portfwconfig = "${General::swroot}/portfw/config";
+my $confignat = "${General::swroot}/forward/nat";
+my ($key,$flag,$prot,$ipfireport,$target,$targetport,$active,$alias,$source,$remark);
+my ($key1,$flag1,$prot1,$ipfireport1,$target1,$targetport1,$active1,$alias1,$source1,$remark1);
+my $count=0;
+my $jump;
+if(! -d "/var/log/converters"){ mkdir("/var/log/converters");}
+open(FILE, $portfwconfig) or die 'Unable to open config file.';
+my @current = <FILE>;
+close(FILE);
+open (LOG, ">/var/log/converters/portfw-convert.log") or die $!;
+open(ALIAS, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.';
+my @alias = <ALIAS>;
+close(ALIAS);
+&get_config;
+&build_rules;
+&write_rules;
+sub get_config
+{
+ print LOG "STEP 1: Get config from old portforward\n#########################################\n";
+ foreach my $line (@current){
+ if($jump eq '1'){
+ $jump='';
+ $count++;
+ next;
+ }
+ my $u=$count+1;
+ ($key,$flag,$prot,$ipfireport,$target,$targetport,$active,$alias,$source,$remark) = split(",",$line);
+ ($key1,$flag1,$prot1,$ipfireport1,$target1,$targetport1,$active1,$alias1,$source1,$remark1) = split(",",$current[$u]);
+ if ($flag1 eq '1'){
+ $source=$source1;
+ $jump='1';
+ }
+ my $now=localtime;
+ chomp($remark);
+ print LOG "$now processing-> KEY: $key FLAG: $flag PROT: $prot FIREPORT: $ipfireport TARGET: $target TGTPORT: $targetport ACTIVE: $active ALIAS: $alias SOURCE: $source REM: $remark Doublerule: $jump\n";
+ push (@values,$prot.",".$ipfireport.",".$target.",".$targetport.",".$active.",".$alias.",".$source.",".$remark);
+ $count++;
+ }
+}
+sub build_rules
+{
+ print LOG "\nSTEP 2: Convert old portforwardrules in a useable format\n########################################################\n";
+ my $src;
+ my $src1;
+ my $ipfireip;
+ my $count=0;
+ my $stop;
+ #build rules for new firewall
+ foreach my $line (@values){
+ chomp ($line);
+ ($prot,$ipfireport,$target,$targetport,$active,$alias,$source,$remark)=split(",",$line);
+ $count++;
+ #get sourcepart
+ if($source eq '0.0.0.0/0'){
+ $src = 'std_net_src';
+ $src1 = 'ALL';
+ }else{
+ $src = 'src_addr';
+ my ($a,$b) = split("/",$source);
+ $src1 = $a."/32";
+ }
+ #get ipfire ip
+ if($alias eq '0.0.0.0'){
+ $alias='ALL';
+ }else{
+ foreach my $ali (@alias){
+ my ($alias_ip,$alias_active,$alias_name) = split (",",$ali);
+ if($alias eq $alias_name){
+ $alias=$alias_name;
+ }
+ }
+ }
+ $active = uc $active;
+ $prot = uc $prot;
+ $remark = chomp($remark);
+ push (@built_rules,"ACCEPT,NAT_DESTINATION,$active,$src,$src1,tgt_addr,$target/32,ON,$prot,,TGT_PORT,$targetport,$remark,00:00,00:00,ON,$alias,$ipfireport,dnat");
+ my $now=localtime;
+ print LOG "$now Converted-> KEY: $count ACCEPT,NAT_DESTINATION,$active,$src,$src1,tgt_addr,$target/32,ON,$prot,,TGT_PORT,$targetport,$remark,00:00,00:00,ON,$alias,$ipfireport,dnat\n";
+ }
+}
+sub write_rules
+{
+ my $skip='';
+ my $id;
+ print LOG "\nSTEP 3: Create DNAT rules in new firewall\n#########################################\n";
+ &General::readhasharray($confignat,\%nat);
+ foreach my $line (@built_rules){
+ $skip='';
+ my ($action,$chain,$active,$src,$src1,$tgt,$tgt1,$use_prot,$prot,$dummy,$tgt_port,$tgt_port1,$remark,$from,$to,$use_port,$alias,$ipfireport,$dnat) = split (",",$line);
+ foreach my $key (sort keys %nat){
+ if ($line eq "$nat{$key}[0],$nat{$key}[1],$nat{$key}[2],$nat{$key}[3],$nat{$key}[4],$nat{$key}[5],$nat{$key}[6],$nat{$key}[11],$nat{$key}[12],$nat{$key}[13],$nat{$key}[14],$nat{$key}[15],$nat{$key}[16],$nat{$key}[26],$nat{$key}[27],$nat{$key}[28],$nat{$key}[29],$nat{$key}[30],$nat{$key}[31]"){
+ my $now=localtime;
+ print LOG "$now SKIP-> Rule $nat{$key}[0],$nat{$key}[1],$nat{$key}[2],$nat{$key}[3],$nat{$key}[4],$nat{$key}[5],$nat{$key}[6],$nat{$key}[11],$nat{$key}[12],$nat{$key}[13],$nat{$key}[14],$nat{$key}[15],$nat{$key}[16],$nat{$key}[26],$nat{$key}[27],$nat{$key}[28],$nat{$key}[29],$nat{$key}[30],$nat{$key}[31] ->EXISTS\n";
+ $skip='1';
+ }
+ }
+ if ($skip ne '1'){
+ $id = &General::findhasharraykey(\%nat);
+ $nat{$id}[0] = $action;
+ $nat{$id}[1] = $chain;
+ $nat{$id}[2] = $active;
+ $nat{$id}[3] = $src;
+ $nat{$id}[4] = $src1;
+ $nat{$id}[5] = $tgt;
+ $nat{$id}[6] = $tgt1;
+ $nat{$id}[11] = $use_prot;
+ $nat{$id}[12] = $prot;
+ $nat{$id}[13] = $dummy;
+ $nat{$id}[14] = $tgt_port;
+ $nat{$id}[15] = $tgt_port1;
+ $nat{$id}[16] = $remark;
+ $nat{$id}[26] = $from;
+ $nat{$id}[27] = $to;
+ $nat{$id}[28] = $use_port;
+ $nat{$id}[29] = $alias;
+ $nat{$id}[30] = $ipfireport;
+ $nat{$id}[31] = $dnat;
+ my $now=localtime;
+ print LOG "$now NEW RULE-> Rule $nat{$id}[0],$nat{$id}[1],$nat{$id}[2],$nat{$id}[3],$nat{$id}[4],$nat{$id}[5],$nat{$id}[6],$nat{$id}[11],$nat{$id}[12],$nat{$id}[13],$nat{$id}[14],$nat{$id}[15],$nat{$id}[16],$nat{$id}[26],$nat{$id}[27],$nat{$id}[28],$nat{$id}[29],$nat{$id}[30],$nat{$id}[31]\n";
+ }
+ }
+ &General::writehasharray($confignat,\%nat);
+}
+close (LOG);