config/forwardfw/rules.pl

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2012                                                                                                              #
   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 # Hi folks! I hope this code is useful for all. I needed something to handle  #
  23 # my VPN Connections in a comfortable way.                                                                #
  24 # This script builds firewallrules from the webinterface                      #
  25 ###############################################################################
  26
  27 use strict;
  28 use Time::Local;
  29 no warnings 'uninitialized';
  30
  31 # enable only the following on debugging purpose
  32 #use warnings;
  33 #use CGI::Carp 'fatalsToBrowser';
  34
  35 my %fwdfwsettings=();
  36 my %defaultNetworks=();
  37 my %configfwdfw=();
  38 my %color=();
  39 my %icmptypes=();
  40 my %ovpnSettings=();
  41 my %customgrp=();
  42 our %sourcehash=();
  43 our %targethash=();
  44 my @timeframe=();
  45 my %configinputfw=();
  46 my %configoutgoingfw=();
  47 my %configdmzfw=();
  48 my %confignatfw=();
  49 my %aliases=();
  50 my @DPROT=();
  51 my @p2ps=();
  52 require '/var/ipfire/general-functions.pl';
  53 require "${General::swroot}/lang.pl";
  54 require "${General::swroot}/forward/bin/firewall-lib.pl";
  55
  56 my $configdmz           = "${General::swroot}/forward/dmz";
  57 my $configfwdfw         = "${General::swroot}/forward/config";
  58 my $configinput     = "${General::swroot}/forward/input";
  59 my $configoutgoing  = "${General::swroot}/forward/outgoing";
  60 my $confignat           = "${General::swroot}/forward/nat";
  61 my $p2pfile                     = "${General::swroot}/forward/p2protocols";
  62 my $configgrp           = "${General::swroot}/fwhosts/customgroups";
  63 my $netsettings         = "${General::swroot}/ethernet/settings";
  64 my $errormessage='';
  65 my $orange;
  66 my $green;
  67 my $blue;
  68 my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
  69 my $CHAIN="FORWARDFW";
  70 my $conexists='off';
  71 my $command = 'iptables -A';
  72 my $dnat='';
  73 my $snat='';
  74 &General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
  75 &General::readhash("$netsettings", \%defaultNetworks);
  76 &General::readhasharray($configdmz, \%configdmzfw);
  77 &General::readhasharray($configfwdfw, \%configfwdfw);
  78 &General::readhasharray($configinput, \%configinputfw);
  79 &General::readhasharray($configoutgoing, \%configoutgoingfw);
  80 &General::readhasharray($confignat, \%confignatfw);
  81 &General::readhasharray($configgrp, \%customgrp);
  82 &General::get_aliases(\%aliases);
  83
  84 #check if we have an internetconnection
  85 open (CONN,"/var/ipfire/red/iface");
  86 my $con = <CONN>;
  87 close(CONN);
  88 if (-f "/var/ipfire/red/active"){
  89         $conexists='on';
  90 }
  91 open (CONN1,"/var/ipfire/red/local-ipaddress");
  92 my $redip = <CONN1>;
  93 close(CONN1);
  94 ################################
  95 #    DEBUG/TEST                #
  96 ################################
  97 my $MODE=1;     # 0 - normal operation
  98                                 # 1 - print configline and rules to console
  99                                 #
 100 ################################
 101 my $param=shift;
 102
 103 if($param eq 'flush'){
 104         if ($MODE eq '1'){
 105                 print " Flushing chains...\n";
 106         }
 107         &flush;
 108 }else{
 109         if ($MODE eq '1'){
 110                 print " Flushing chains...\n";
 111         }
 112         &flush;
 113         if ($MODE eq '1'){
 114                 print " Preparing rules...\n";
 115         }
 116         &preparerules;
 117         if($MODE eq '0'){
 118                 if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
 119                         &p2pblock;
 120                         system ("/usr/sbin/firewall-policy");
 121                 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
 122                         $defaultNetworks{'GREEN_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'GREEN_NETMASK'});
 123                         $green="$defaultNetworks{'GREEN_ADDRESS'}/$defaultNetworks{'GREEN_NETMASK'}";
 124                         if ($defaultNetworks{'BLUE_DEV'}){
 125                                 $defaultNetworks{'BLUE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'BLUE_NETMASK'});
 126                                 $blue="$defaultNetworks{'BLUE_ADDRESS'}/$defaultNetworks{'BLUE_NETMASK'}";
 127                                 #set default rules for BLUE
 128                                 system ("iptables -A $CHAIN -s $blue -d $green -j RETURN");
 129                         }
 130                         if ($defaultNetworks{'ORANGE_DEV'}){
 131                                 $defaultNetworks{'ORANGE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'ORANGE_NETMASK'});
 132                                 $orange="$defaultNetworks{'ORANGE_ADDRESS'}/$defaultNetworks{'ORANGE_NETMASK'}";
 133                                 #set default rules for DMZ
 134                                 system ("iptables -A $CHAIN -s $orange -d $green -j RETURN");
 135                                 if ($defaultNetworks{'BLUE_DEV'}){
 136                                         system ("iptables -A $CHAIN -s $orange -d $blue -j RETURN");
 137                                 }
 138                         }
 139                         &p2pblock;
 140                         system ("iptables -A $CHAIN -m state --state NEW -j ACCEPT");
 141                         system ("/usr/sbin/firewall-policy");
 142                 }
 143         }
 144 }
 145 sub flush
 146 {
 147         system ("iptables -F FORWARDFW");
 148         system ("iptables -F INPUTFW");
 149         system ("iptables -F OUTGOINGFW");
 150         system ("iptables -F PORTFWACCESS");
 151         system ("iptables -t nat -F NAT_DESTINATION");
 152         system ("iptables -t nat -F NAT_SOURCE");
 153 }
 154 sub preparerules
 155 {
 156         if (! -z  "${General::swroot}/forward/dmz"){
 157                 &buildrules(\%configdmzfw);
 158         }
 159         if (! -z  "${General::swroot}/forward/config"){
 160                 &buildrules(\%configfwdfw);
 161         }
 162         if (! -z  "${General::swroot}/forward/input"){
 163                 &buildrules(\%configinputfw);
 164         }
 165         if (! -z  "${General::swroot}/forward/outgoing"){
 166                 &buildrules(\%configoutgoingfw);
 167         }
 168         if (! -z  "${General::swroot}/forward/nat"){
 169                 &buildrules(\%confignatfw);
 170         }
 171 }
 172 sub buildrules
 173 {
 174         my $hash=shift;
 175         my $STAG;
 176         my $natip;
 177         my $snatport;
 178         my $fireport;
 179         my $nat;
 180         foreach my $key (sort {$a <=> $b} keys %$hash){
 181                 next if ($$hash{$key}[6] eq 'RED' && $conexists eq 'off' );
 182                 if ($$hash{$key}[28] eq 'ON'){
 183                         $command='iptables -t nat -A';
 184                         $natip=&get_nat_ip($$hash{$key}[29]);
 185                         if($$hash{$key}[31] eq 'dnat'){
 186                                 $nat='DNAT';
 187                                 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
 188                         }else{
 189                                 $nat='SNAT';
 190                         }
 191                 }
 192                 $STAG='';
 193                 if($$hash{$key}[2] eq 'ON'){
 194                         #get source ip's
 195                         if ($$hash{$key}[3] eq 'cust_grp_src'){
 196                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 197                                                 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
 198                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
 199                                         }
 200                                 }
 201                         }else{
 202                                 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
 203                         }
 204                         #get target ip's
 205                         if ($$hash{$key}[5] eq 'cust_grp_tgt'){
 206                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 207                                         if($customgrp{$grp}[0] eq $$hash{$key}[6]){
 208                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
 209                                         }
 210                                 }
 211                         }elsif($$hash{$key}[5] eq 'ipfire'){
 212                                 if($$hash{$key}[6] eq 'Default IP'){
 213                                         open(FILE, "/var/ipfire/red/local-ipaddress") or die 'Unable to open config file.';
 214                                         $targethash{$key}[0]= <FILE>;
 215                                         close(FILE);
 216                                 }else{
 217                                         foreach my $alias (sort keys %aliases){
 218                                                 if ($$hash{$key}[6] eq $alias){
 219                                                         $targethash{$key}[0]=$aliases{$alias}{'IPT'};
 220                                                 }
 221                                         }
 222                                 }
 223                         }else{
 224                                 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
 225                         }
 226                         ##get source prot and port
 227                         $SRC_TGT='SRC';
 228                         $SPROT = &get_prot($hash,$key);
 229                         $SPORT = &get_port($hash,$key);
 230                         $SRC_TGT='';
 231
 232                         ##get target prot and port
 233                         $DPROT=&get_prot($hash,$key);
 234
 235                         if ($DPROT eq ''){$DPROT=' ';}
 236                         @DPROT=split(",",$DPROT);
 237
 238                         #get time if defined
 239                         if($$hash{$key}[18] eq 'ON'){
 240                                 my ($time1,$time2,$daylight);
 241                                 my $daylight=$$hash{$key}[28];
 242                                 $time1=&get_time($$hash{$key}[26],$daylight);
 243                                 $time2=&get_time($$hash{$key}[27],$daylight);
 244                                 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
 245                                 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
 246                                 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
 247                                 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
 248                                 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
 249                                 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
 250                                 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
 251                                 $TIME=join(",",@timeframe);
 252
 253                                 $TIMEFROM="--timestart $time1 ";
 254                                 $TIMETILL="--timestop $time2 ";
 255                                 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
 256                         }
 257                         if ($MODE eq '1'){
 258                                 print "NR:$key ";
 259                                 foreach my $i (0 .. $#{$$hash{$key}}){
 260                                         print "$i: $$hash{$key}[$i]  ";
 261                                 }
 262                                 print "\n";
 263                                 print"##################################\n";
 264                                 #print rules to console
 265                                 foreach my $DPROT (@DPROT){
 266                                         $DPORT = &get_port($hash,$key,$DPROT);
 267                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 268                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 269                                         foreach my $a (sort keys %sourcehash){
 270                                                 foreach my $b (sort keys %targethash){
 271                                                         if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
 272                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 273                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 274                                                                         if(substr($DPORT, 2, 4) eq 'icmp'){
 275                                                                                 my @icmprule= split(",",substr($DPORT, 12,));
 276                                                                                 foreach (@icmprule){
 277                                                                                         if ($$hash{$key}[17] eq 'ON'){
 278                                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
 279                                                                                         }
 280                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
 281                                                                                 }
 282                                                                         }elsif($$hash{$key}[28] ne 'ON'){
 283                                                                                 if ($$hash{$key}[17] eq 'ON'){
 284                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 285                                                                                 }
 286                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 287                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 288                                                                                 if ($$hash{$key}[17] eq 'ON'){
 289                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 290                                                                                 }
 291                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 292                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
 293                                                                                 $DPORT =~ s/\-/:/g;
 294                                                                                 my $fwaccessdport="--dport ".substr($DPORT,1,) if ($DPORT);
 295                                                                                 print "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
 296                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[32] eq 'snat'){
 297                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip$fireport\n";
 298                                                                         }
 299                                                                 }
 300                                                         }
 301                                                 }
 302                                         }
 303                                         print"\n";
 304                                 }
 305                         }elsif($MODE eq '0'){
 306                                 foreach my $DPROT (@DPROT){
 307                                         $DPORT = &get_port($hash,$key,$DPROT);
 308                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 309                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 310                                         foreach my $a (sort keys %sourcehash){
 311                                                 foreach my $b (sort keys %targethash){
 312                                                         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'){
 313                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 314                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 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 $$hash{$key}[0]");
 322                                                                                 }
 323                                                                         }elsif($$hash{$key}[28] ne 'ON'){
 324                                                                                 if ($$hash{$key}[17] eq 'ON'){
 325                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 326                                                                                 }
 327                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 328                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 329                                                                                 if ($$hash{$key}[17] eq 'ON'){
 330                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 331                                                                                 }
 332                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 333                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
 334                                                                                 $DPORT =~ s/\-/:/g;
 335                                                                                 my $fwaccessdport="--dport ".substr($DPORT,1,) if ($DPORT);
 336                                                                                 system "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
 337
 338                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
 339                                                                                 if ($$hash{$key}[17] eq 'ON'){
 340                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT '\n";
 341                                                                                 }
 342                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat  --to $natip$fireport\n";
 343                                                                         }
 344                                                                 }
 345                                                         }
 346                                                 }
 347                                         }
 348                                 }
 349                         }
 350                 }
 351                 %sourcehash=();
 352                 %targethash=();
 353                 undef $TIME;
 354                 undef $TIMEFROM;
 355                 undef $TIMETILL;
 356                 undef $fireport;
 357         }
 358 }
 359 sub get_nat_ip
 360 {
 361         my $val=shift;
 362         my $result;
 363         if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
 364                 $result=$defaultNetworks{$val.'_ADDRESS'};
 365         }elsif($val eq 'ALL'){
 366                 $result='-i '.$con;
 367         }elsif($val eq 'Default IP'){
 368                 $result='-d '.$redip;
 369         }else{
 370                 foreach my $al (sort keys %aliases){
 371                         if($val eq $al){
 372                                 $result='-d '.$aliases{$al}{'IPT'};
 373                         }
 374                 }
 375         }
 376         return $result;
 377 }
 378 sub get_time
 379 {
 380         my $val=shift;
 381         my $val1=shift;
 382         my $time;
 383         my $minutes;
 384         my $ruletime;
 385         $minutes = &utcmin($val);
 386         $ruletime = $minutes + &time_get_utc($val);
 387         if ($ruletime < 0){$ruletime +=1440;}
 388         if ($ruletime > 1440){$ruletime -=1440;}
 389         $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
 390         return $time;
 391 }
 392 sub time_get_utc
 393 {
 394         # Calculates the UTCtime from a given time
 395         my $val=shift;
 396         my @localtime=localtime(time);
 397         my @gmtime=gmtime(time);
 398         my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
 399         return $diff;
 400 }
 401 sub utcmin
 402 {
 403         my $ruletime=shift;
 404         my ($hrs,$min) = split(":",$ruletime);
 405         my $newtime = $hrs*60+$min;
 406         return $newtime;
 407 }
 408 sub p2pblock
 409 {
 410         my $P2PSTRING;
 411         my $DO;
 412         open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
 413         @p2ps = <FILE>;
 414         close FILE;
 415         my $CMD = "-m ipp2p";
 416         foreach my $p2pentry (sort @p2ps) {
 417                 my @p2pline = split( /\;/, $p2pentry );
 418                 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
 419                         $DO = "ACCEPT";
 420                         if ("$p2pline[2]" eq "on") {
 421                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 422                         }
 423                 }else {
 424                         $DO = "RETURN";
 425                         if ("$p2pline[2]" eq "off") {
 426                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 427                         }
 428                 }
 429         }
 430         if ($MODE eq 1){
 431                 if($P2PSTRING){
 432                         print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
 433                 }
 434         }else{
 435                 if($P2PSTRING){
 436                         system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
 437                 }
 438         }
 439 }
 440 sub get_address
 441 {
 442         my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
 443         my $base2=shift;
 444         my $type=shift; #src or tgt
 445         my $hash;
 446         if ($type eq 'src'){
 447                 $hash=\%sourcehash;
 448         }else{
 449                 $hash=\%targethash;
 450         }
 451         my $key = &General::findhasharraykey($hash);
 452         if($base eq 'src_addr' || $base eq 'tgt_addr' ){
 453                 if (&General::validmac($base2)){
 454                         $$hash{$key}[0] = "-m mac --mac-source $base2";
 455                 }else{
 456                         $$hash{$key}[0] = $base2;
 457                 }
 458         }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
 459                 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
 460         }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
 461                 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
 462         }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
 463                 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
 464         }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
 465                 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
 466         }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
 467                 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
 468         }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
 469                 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,27);
 470         }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
 471                 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
 472         }
 473 }
 474 sub get_prot
 475 {
 476         my $hash=shift;
 477         my $key=shift;
 478         if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
 479                 if ($$hash{$key}[10] ne ''){
 480                         return"$$hash{$key}[8]";
 481                 }elsif($$hash{$key}[9] ne ''){
 482                         return"$$hash{$key}[8]";
 483                 }else{
 484                         return "$$hash{$key}[8]";
 485                 }
 486         }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
 487                 if ($$hash{$key}[14] eq 'TGT_PORT'){
 488                         if ($$hash{$key}[15] ne ''){
 489                                 return "$$hash{$key}[12]";
 490                         }elsif($$hash{$key}[13] ne ''){
 491                                 return "$$hash{$key}[12]";
 492                         }else{
 493                                 return "$$hash{$key}[12]";
 494                         }
 495                 }elsif($$hash{$key}[14] eq 'cust_srv'){
 496                         return &fwlib::get_srv_prot($$hash{$key}[15]);
 497
 498                 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
 499                         return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
 500                 }
 501         }
 502 }
 503 sub get_port
 504 {
 505         my $hash=shift;
 506         my $key=shift;
 507         my $prot=shift;
 508         if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
 509                 if ($$hash{$key}[10] ne ''){
 510                         $$hash{$key}[10] =~ s/\|/,/g;
 511                         if(index($$hash{$key}[10],",") > 0){
 512                                 return "-m multiport --sport $$hash{$key}[10] ";
 513                         }else{
 514                                 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat')  ){
 515                                         return "--sport $$hash{$key}[10] ";
 516                                 }else{
 517                                         return ":$$hash{$key}[10]";
 518                                 }
 519                         }
 520                 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
 521                         return "--icmp-type $$hash{$key}[9] ";
 522                 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
 523                         return;
 524                 }
 525         }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
 526                 if($$hash{$key}[14] eq 'TGT_PORT'){
 527                         if ($$hash{$key}[15] ne ''){
 528                                 $$hash{$key}[15] =~ s/\|/,/g;
 529                                 if(index($$hash{$key}[15],",") > 0){
 530                                         return "-m multiport --dport $$hash{$key}[15] ";
 531                                 }else{
 532                                         if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
 533                                                 return "--dport $$hash{$key}[15] ";
 534                                          }else{
 535                                                  $$hash{$key}[15] =~ s/\:/-/g;
 536                                                 return ":$$hash{$key}[15]";
 537                                          }
 538                                 }
 539                         }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
 540                                 return "--icmp-type $$hash{$key}[13] ";
 541                         }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
 542                                 return;
 543                         }
 544                 }elsif($$hash{$key}[14] eq 'cust_srv'){
 545                         if ($prot ne 'ICMP'){
 546                                 if($$hash{$key}[31] eq 'dnat'){
 547                                         return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
 548                                 }else{
 549                                         return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
 550                                 }
 551                         }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
 552                                 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
 553                         }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
 554                                 return;
 555                         }
 556                 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
 557                         if      ($prot ne 'ICMP'){
 558                                 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
 559                         }
 560                         elsif($prot eq 'ICMP'){
 561                                 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
 562                         }
 563                 }
 564         }
 565 }