config/forwardfw/rules.pl

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