config/forwardfw/rules.pl

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2013                                                          #
   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 # Author: Alexander Marx (amarx@ipfire.org)                                   #
  22 ###############################################################################
  23
  24 use strict;
  25 use Time::Local;
  26 no warnings 'uninitialized';
  27
  28 # enable only the following on debugging purpose
  29 #use warnings;
  30 #use CGI::Carp 'fatalsToBrowser';
  31
  32 my %fwdfwsettings=();
  33 my %defaultNetworks=();
  34 my %configfwdfw=();
  35 my %color=();
  36 my %icmptypes=();
  37 my %ovpnSettings=();
  38 my %customgrp=();
  39 our %sourcehash=();
  40 our %targethash=();
  41 my @timeframe=();
  42 my %configinputfw=();
  43 my %configoutgoingfw=();
  44 my %confignatfw=();
  45 my %aliases=();
  46 my @DPROT=();
  47 my @p2ps=();
  48 require '/var/ipfire/general-functions.pl';
  49 require "${General::swroot}/lang.pl";
  50 require "${General::swroot}/forward/bin/firewall-lib.pl";
  51
  52 my $configfwdfw         = "${General::swroot}/forward/config";
  53 my $configinput     = "${General::swroot}/forward/input";
  54 my $configoutgoing  = "${General::swroot}/forward/outgoing";
  55 my $p2pfile                     = "${General::swroot}/forward/p2protocols";
  56 my $configgrp           = "${General::swroot}/fwhosts/customgroups";
  57 my $netsettings         = "${General::swroot}/ethernet/settings";
  58 my $errormessage='';
  59 my $orange;
  60 my $green;
  61 my $blue;
  62 my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
  63 my $CHAIN="FORWARDFW";
  64 my $conexists='off';
  65 my $command = 'iptables -A';
  66 my $dnat='';
  67 my $snat='';
  68 &General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
  69 &General::readhash("$netsettings", \%defaultNetworks);
  70 &General::readhasharray($configfwdfw, \%configfwdfw);
  71 &General::readhasharray($configinput, \%configinputfw);
  72 &General::readhasharray($configoutgoing, \%configoutgoingfw);
  73 &General::readhasharray($configgrp, \%customgrp);
  74 &General::get_aliases(\%aliases);
  75
  76 #check if we have an internetconnection
  77 open (CONN,"/var/ipfire/red/iface");
  78 my $con = <CONN>;
  79 close(CONN);
  80 if (-f "/var/ipfire/red/active"){
  81         $conexists='on';
  82 }
  83 open (CONN1,"/var/ipfire/red/local-ipaddress");
  84 my $redip = <CONN1>;
  85 close(CONN1);
  86 ################################
  87 #    DEBUG/TEST                #
  88 ################################
  89 my $MODE=0;     # 0 - normal operation
  90                                 # 1 - print configline and rules to console
  91                                 #
  92 ################################
  93 my $param=shift;
  94
  95 if($param eq 'flush'){
  96         if ($MODE eq '1'){
  97                 print " Flushing chains...\n";
  98         }
  99         &flush;
 100 }else{
 101         if ($MODE eq '1'){
 102                 print " Flushing chains...\n";
 103         }
 104         &flush;
 105         if ($MODE eq '1'){
 106                 print " Preparing rules...\n";
 107         }
 108         &preparerules;
 109         if($MODE eq '0'){
 110                 if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
 111                         &p2pblock;
 112                         system ("/usr/sbin/firewall-policy");
 113                 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
 114                         &p2pblock;
 115                         system ("iptables -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
 116                         system ("/usr/sbin/firewall-policy");
 117                         system ("/etc/sysconfig/firewall.local reload");
 118                 }
 119         }
 120 }
 121 sub flush
 122 {
 123         system ("iptables -F FORWARDFW");
 124         system ("iptables -F INPUTFW");
 125         system ("iptables -F OUTGOINGFW");
 126         system ("iptables -t nat -F NAT_DESTINATION");
 127         system ("iptables -t nat -F NAT_SOURCE");
 128 }
 129 sub preparerules
 130 {
 131         if (! -z  "${General::swroot}/forward/config"){
 132                 &buildrules(\%configfwdfw);
 133         }
 134         if (! -z  "${General::swroot}/forward/input"){
 135                 &buildrules(\%configinputfw);
 136         }
 137         if (! -z  "${General::swroot}/forward/outgoing"){
 138                 &buildrules(\%configoutgoingfw);
 139         }
 140 }
 141 sub buildrules
 142 {
 143         my $hash=shift;
 144         my $STAG;
 145         my $natip;
 146         my $snatport;
 147         my $fireport;
 148         my $nat;
 149         my $fwaccessdport;
 150         my $natchain;
 151         foreach my $key (sort {$a <=> $b} keys %$hash){
 152                 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
 153                 if ($$hash{$key}[28] eq 'ON'){
 154                         $command='iptables -t nat -A';
 155                         $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
 156                         if($$hash{$key}[31] eq 'dnat'){
 157                                 $nat='DNAT';
 158                                 if ($$hash{$key}[30] =~ /\|/){
 159                                         $$hash{$key}[30]=~ tr/|/,/;
 160                                         $fireport='-m multiport --dport '.$$hash{$key}[30];
 161                                 }else{
 162                                         $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
 163                                 }
 164                         }else{
 165                                 $nat='SNAT';
 166                         }
 167                 }
 168                 $STAG='';
 169                 if($$hash{$key}[2] eq 'ON'){
 170                         #get source ip's
 171                         if ($$hash{$key}[3] eq 'cust_grp_src'){
 172                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 173                                                 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
 174                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
 175                                         }
 176                                 }
 177                         }else{
 178                                 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
 179                         }
 180                         #get target ip's
 181                         if ($$hash{$key}[5] eq 'cust_grp_tgt'){
 182                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 183                                         if($customgrp{$grp}[0] eq $$hash{$key}[6]){
 184                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
 185                                         }
 186                                 }
 187                         }elsif($$hash{$key}[5] eq 'ipfire' ){
 188                                 if($$hash{$key}[6] eq 'GREEN'){
 189                                         $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
 190                                 }
 191                                 if($$hash{$key}[6] eq 'BLUE'){
 192                                         $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
 193                                 }
 194                                 if($$hash{$key}[6] eq 'ORANGE'){
 195                                         $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
 196                                 }
 197                                 if($$hash{$key}[6] eq 'ALL'){
 198                                         $targethash{$key}[0]='0.0.0.0/0';
 199                                 }
 200                                 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
 201                                         open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
 202                                         $targethash{$key}[0]= <FILE>;
 203                                         close(FILE);
 204                                 }else{
 205                                         foreach my $alias (sort keys %aliases){
 206                                                 if ($$hash{$key}[6] eq $alias){
 207                                                         $targethash{$key}[0]=$aliases{$alias}{'IPT'};
 208                                                 }
 209                                         }
 210                                 }
 211                         }else{
 212                                 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
 213                         }
 214                         ##get source prot and port
 215                         $SRC_TGT='SRC';
 216                         $SPROT = &get_prot($hash,$key);
 217                         $SPORT = &get_port($hash,$key);
 218                         $SRC_TGT='';
 219
 220                         ##get target prot and port
 221                         $DPROT=&get_prot($hash,$key);
 222
 223                         if ($DPROT eq ''){$DPROT=' ';}
 224                         @DPROT=split(",",$DPROT);
 225
 226                         #get time if defined
 227                         if($$hash{$key}[18] eq 'ON'){
 228                                 my ($time1,$time2,$daylight);
 229                                 my $daylight=$$hash{$key}[28];
 230                                 $time1=&get_time($$hash{$key}[26],$daylight);
 231                                 $time2=&get_time($$hash{$key}[27],$daylight);
 232                                 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
 233                                 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
 234                                 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
 235                                 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
 236                                 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
 237                                 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
 238                                 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
 239                                 $TIME=join(",",@timeframe);
 240
 241                                 $TIMEFROM="--timestart $time1 ";
 242                                 $TIMETILL="--timestop $time2 ";
 243                                 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
 244                         }
 245                         if ($MODE eq '1'){
 246                                 print "NR:$key ";
 247                                 foreach my $i (0 .. $#{$$hash{$key}}){
 248                                         print "$i: $$hash{$key}[$i]  ";
 249                                 }
 250                                 print "\n";
 251                                 print"##################################\n";
 252                                 #print rules to console
 253                                 foreach my $DPROT (@DPROT){
 254                                         $DPORT = &get_port($hash,$key,$DPROT);
 255                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 256                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 257                                         foreach my $a (sort keys %sourcehash){
 258                                                 foreach my $b (sort keys %targethash){
 259                                                         if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
 260                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 261                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 262                                                                         if(substr($DPORT, 2, 4) eq 'icmp'){
 263                                                                                 my @icmprule= split(",",substr($DPORT, 12,));
 264                                                                                 foreach (@icmprule){
 265                                                                                         if ($$hash{$key}[17] eq 'ON'){
 266                                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
 267                                                                                         }
 268                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
 269                                                                                 }
 270                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 271                                                                                 $natchain='NAT_DESTINATION';
 272                                                                                 if ($$hash{$key}[17] eq 'ON'){
 273                                                                                         print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 274                                                                                 }
 275                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 276                                                                                 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
 277                                                                                 $DPORT =~ s/\-/:/g;
 278                                                                                 if ($DPORT){
 279                                                                                         $fwaccessdport="--dport ".substr($DPORT,1,);
 280                                                                                 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
 281                                                                                         if ($$hash{$key}[30]=~m/|/i){
 282                                                                                                 $$hash{$key}[30] =~ s/\|/,/g;
 283                                                                                                 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
 284                                                                                         }else{
 285                                                                                                 $fwaccessdport="--dport $$hash{$key}[30]";
 286                                                                                         }
 287                                                                                 }
 288                                                                                 print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
 289                                                                                 next;
 290                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
 291                                                                                 $natchain='NAT_SOURCE';
 292                                                                                 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
 293                                                                         }
 294                                                                         if ($$hash{$key}[17] eq 'ON'){
 295                                                                                         print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 296                                                                         }
 297                                                                         if ($PROT ne '-p ICMP'){
 298                                                                                 print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 299                                                                         }
 300                                                                 }
 301                                                         }
 302                                                 }
 303                                         }
 304                                         print"\n";
 305                                 }
 306                         }elsif($MODE eq '0'){
 307                                 foreach my $DPROT (@DPROT){
 308                                         $DPORT = &get_port($hash,$key,$DPROT);
 309                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 310                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 311                                         foreach my $a (sort keys %sourcehash){
 312                                                 foreach my $b (sort keys %targethash){
 313                                                         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'){
 314                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 315                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 316                                                                         #Process ICMP RULE
 317                                                                         if(substr($DPORT, 2, 4) eq 'icmp'){
 318                                                                                 my @icmprule= split(",",substr($DPORT, 12,));
 319                                                                                 foreach (@icmprule){
 320                                                                                         if ($$hash{$key}[17] eq 'ON'){
 321                                                                                                 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
 322                                                                                         }
 323                                                                                         system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
 324                                                                                 }
 325                                                                         #PROCESS DNAT RULE (Portforward)
 326                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 327                                                                                 $natchain='NAT_DESTINATION';
 328                                                                                 if ($$hash{$key}[17] eq 'ON'){
 329                                                                                         system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 330                                                                                 }
 331                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 332                                                                                 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
 333                                                                                 $DPORT =~ s/\-/:/g;
 334                                                                                 if ($DPORT){
 335                                                                                         $fwaccessdport="--dport ".substr($DPORT,1,);
 336                                                                                 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
 337                                                                                         if ($$hash{$key}[30]=~m/|/i){
 338                                                                                                 $$hash{$key}[30] =~ s/\|/,/g;
 339                                                                                                 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
 340                                                                                         }else{
 341                                                                                                 $fwaccessdport="--dport $$hash{$key}[30]";
 342                                                                                         }
 343                                                                                 }
 344                                                                                 system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
 345                                                                                 next;
 346                                                                         #PROCESS SNAT RULE
 347                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
 348                                                                                 $natchain='NAT_SOURCE';
 349                                                                                 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
 350                                                                         }
 351                                                                         if ($$hash{$key}[17] eq 'ON'){
 352                                                                                 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 353                                                                         }
 354                                                                         #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
 355                                                                         if ($PROT ne '-p ICMP'){
 356                                                                                 system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 357                                                                         }
 358                                                                 }
 359                                                         }
 360                                                 }
 361                                         }
 362                                 }
 363                         }
 364                 }
 365                 %sourcehash=();
 366                 %targethash=();
 367                 undef $TIME;
 368                 undef $TIMEFROM;
 369                 undef $TIMETILL;
 370                 undef $fireport;
 371         }
 372 }
 373 sub get_nat_ip
 374 {
 375         my $val=shift;
 376         my $type=shift;
 377         my $result;
 378         if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
 379                 $result=$defaultNetworks{$val.'_ADDRESS'};
 380         }elsif($val eq 'ALL'){
 381                 $result='-i '.$con;
 382         }elsif($val eq 'Default IP' && $type eq 'dnat'){
 383                 $result='-d '.$redip;
 384         }elsif($val eq 'Default IP' && $type eq 'snat'){
 385                 $result=$redip;
 386         }else{
 387                 foreach my $al (sort keys %aliases){
 388                         if($val eq $al && $type eq 'dnat'){
 389                                 $result='-d '.$aliases{$al}{'IPT'};
 390                         }elsif($val eq $al && $type eq 'snat'){
 391                                 $result=$aliases{$al}{'IPT'};
 392                         }
 393                 }
 394         }
 395         return $result;
 396 }
 397 sub get_time
 398 {
 399         my $val=shift;
 400         my $val1=shift;
 401         my $time;
 402         my $minutes;
 403         my $ruletime;
 404         $minutes = &utcmin($val);
 405         $ruletime = $minutes + &time_get_utc($val);
 406         if ($ruletime < 0){$ruletime +=1440;}
 407         if ($ruletime > 1440){$ruletime -=1440;}
 408         $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
 409         return $time;
 410 }
 411 sub time_get_utc
 412 {
 413         # Calculates the UTCtime from a given time
 414         my $val=shift;
 415         my @localtime=localtime(time);
 416         my @gmtime=gmtime(time);
 417         my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
 418         return $diff;
 419 }
 420 sub utcmin
 421 {
 422         my $ruletime=shift;
 423         my ($hrs,$min) = split(":",$ruletime);
 424         my $newtime = $hrs*60+$min;
 425         return $newtime;
 426 }
 427 sub p2pblock
 428 {
 429         my $P2PSTRING;
 430         my $DO;
 431         open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
 432         @p2ps = <FILE>;
 433         close FILE;
 434         my $CMD = "-m ipp2p";
 435         foreach my $p2pentry (sort @p2ps) {
 436                 my @p2pline = split( /\;/, $p2pentry );
 437                 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
 438                         $DO = "ACCEPT";
 439                         if ("$p2pline[2]" eq "on") {
 440                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 441                         }
 442                 }else {
 443                         $DO = "RETURN";
 444                         if ("$p2pline[2]" eq "off") {
 445                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 446                         }
 447                 }
 448         }
 449         if ($MODE eq 1){
 450                 if($P2PSTRING){
 451                         print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
 452                 }
 453         }else{
 454                 if($P2PSTRING){
 455                         system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
 456                 }
 457         }
 458 }
 459 sub get_address
 460 {
 461         my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
 462         my $base2=shift;
 463         my $type=shift; #src or tgt
 464         my $hash;
 465         if ($type eq 'src'){
 466                 $hash=\%sourcehash;
 467         }else{
 468                 $hash=\%targethash;
 469         }
 470         my $key = &General::findhasharraykey($hash);
 471         if($base eq 'src_addr' || $base eq 'tgt_addr' ){
 472                 if (&General::validmac($base2)){
 473                         $$hash{$key}[0] = "-m mac --mac-source $base2";
 474                 }else{
 475                         $$hash{$key}[0] = $base2;
 476                 }
 477         }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
 478                 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
 479         }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
 480                 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
 481         }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
 482                 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
 483         }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
 484                 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
 485         }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
 486                 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
 487         }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
 488                 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
 489         }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
 490                 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
 491         }elsif($base eq 'ipfire_src' ){
 492                 if($base2 eq 'GREEN'){
 493                         $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
 494                 }
 495                 if($base2 eq 'BLUE'){
 496                         $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
 497                 }
 498                 if($base2 eq 'ORANGE'){
 499                         $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
 500                 }
 501                 if($base2 eq 'ALL'){
 502                         $$hash{$key}[0]='0.0.0.0/0';
 503                 }
 504                 if($base2 eq 'RED' || $base2 eq 'RED1'){
 505                         open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
 506                         $$hash{$key}[0]= <FILE>;
 507                         close(FILE);
 508                 }else{
 509                         foreach my $alias (sort keys %aliases){
 510                                 if ($base2 eq $alias){
 511                                         $$hash{$key}[0]=$aliases{$alias}{'IPT'};
 512                                 }
 513                         }
 514                 }
 515         }
 516 }
 517 sub get_prot
 518 {
 519         my $hash=shift;
 520         my $key=shift;
 521         if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
 522                 if ($$hash{$key}[10] ne ''){
 523                         return"$$hash{$key}[8]";
 524                 }elsif($$hash{$key}[9] ne ''){
 525                         return"$$hash{$key}[8]";
 526                 }else{
 527                         return "$$hash{$key}[8]";
 528                 }
 529         }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
 530                 if ($$hash{$key}[14] eq 'TGT_PORT'){
 531                         if ($$hash{$key}[15] ne ''){
 532                                 return "$$hash{$key}[12]";
 533                         }elsif($$hash{$key}[13] ne ''){
 534                                 return "$$hash{$key}[12]";
 535                         }else{
 536                                 return "$$hash{$key}[12]";
 537                         }
 538                 }elsif($$hash{$key}[14] eq 'cust_srv'){
 539                         return &fwlib::get_srv_prot($$hash{$key}[15]);
 540
 541                 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
 542                         return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
 543                 }
 544         }
 545         #DNAT
 546         if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
 547                 return "$$hash{$key}[12]";
 548         }
 549 }
 550 sub get_port
 551 {
 552         my $hash=shift;
 553         my $key=shift;
 554         my $prot=shift;
 555         if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
 556                 if ($$hash{$key}[10] ne ''){
 557                         $$hash{$key}[10] =~ s/\|/,/g;
 558                         if(index($$hash{$key}[10],",") > 0){
 559                                 return "-m multiport --sport $$hash{$key}[10] ";
 560                         }else{
 561                                 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat')  ){
 562                                         return "--sport $$hash{$key}[10] ";
 563                                 }else{
 564                                         return ":$$hash{$key}[10]";
 565                                 }
 566                         }
 567                 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
 568                         return "--icmp-type $$hash{$key}[9] ";
 569                 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
 570                         return;
 571                 }
 572         }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
 573                 if($$hash{$key}[14] eq 'TGT_PORT'){
 574                         if ($$hash{$key}[15] ne ''){
 575                                 $$hash{$key}[15] =~ s/\|/,/g;
 576                                 if(index($$hash{$key}[15],",") > 0){
 577                                         return "-m multiport --dport $$hash{$key}[15] ";
 578                                 }else{
 579                                         if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
 580                                                 return "--dport $$hash{$key}[15] ";
 581                                          }else{
 582                                                  $$hash{$key}[15] =~ s/\:/-/g;
 583                                                  return ":$$hash{$key}[15]";
 584                                          }
 585                                 }
 586                         }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
 587                                 return "--icmp-type $$hash{$key}[13] ";
 588                         }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
 589                                 return;
 590                         }
 591                 }elsif($$hash{$key}[14] eq 'cust_srv'){
 592                         if ($prot ne 'ICMP'){
 593                                 if($$hash{$key}[31] eq 'dnat' && $$hash{$key}[28] eq 'ON'){
 594                                         return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
 595                                 }else{
 596                                         return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
 597                                 }
 598                         }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
 599                                 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
 600                         }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
 601                                 return;
 602                         }
 603                 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
 604                         if      ($prot ne 'ICMP'){
 605                                 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
 606                         }
 607                         elsif($prot eq 'ICMP'){
 608                                 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
 609                         }
 610                 }
 611         }
 612 }