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         foreach my $key (sort {$a <=> $b} keys %$hash){
 180                 next if ($$hash{$key}[6] eq 'RED' && $conexists eq 'off' );
 181                 if ($$hash{$key}[28] eq 'ON'){
 182                         $command='iptables -t nat -A';
 183                         $natip=&get_nat_ip($$hash{$key}[29]);
 184                         if($$hash{$key}[31] eq 'dnat'){
 185                                 $$hash{$key}[0]='DNAT';
 186                                 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
 187                         }else{
 188                                 $$hash{$key}[0]='SNAT';
 189                         }
 190                 }
 191                 $STAG='';
 192                 if($$hash{$key}[2] eq 'ON'){
 193                         #get source ip's
 194                         if ($$hash{$key}[3] eq 'cust_grp_src'){
 195                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 196                                                 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
 197                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
 198                                         }
 199                                 }
 200                         }else{
 201                                 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
 202                         }
 203                         #get target ip's
 204                         if ($$hash{$key}[5] eq 'cust_grp_tgt'){
 205                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 206                                         if($customgrp{$grp}[0] eq $$hash{$key}[6]){
 207                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
 208                                         }
 209                                 }
 210                         }elsif($$hash{$key}[5] eq 'ipfire'){
 211                                 if($$hash{$key}[6] eq 'Default IP'){
 212                                         open(FILE, "/var/ipfire/red/local-ipaddress") or die 'Unable to open config file.';
 213                                         $targethash{$key}[0]= <FILE>;
 214                                         close(FILE);
 215                                 }else{
 216                                         foreach my $alias (sort keys %aliases){
 217                                                 if ($$hash{$key}[6] eq $alias){
 218                                                         $targethash{$key}[0]=$aliases{$alias}{'IPT'};
 219                                                 }
 220                                         }
 221                                 }
 222                         }else{
 223                                 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
 224                         }
 225                         ##get source prot and port
 226                         $SRC_TGT='SRC';
 227                         $SPROT = &get_prot($hash,$key);
 228                         $SPORT = &get_port($hash,$key);
 229                         $SRC_TGT='';
 230
 231                         ##get target prot and port
 232                         $DPROT=&get_prot($hash,$key);
 233
 234                         if ($DPROT eq ''){$DPROT=' ';}
 235                         @DPROT=split(",",$DPROT);
 236
 237                         #get time if defined
 238                         if($$hash{$key}[18] eq 'ON'){
 239                                 my ($time1,$time2,$daylight);
 240                                 my $daylight=$$hash{$key}[28];
 241                                 $time1=&get_time($$hash{$key}[26],$daylight);
 242                                 $time2=&get_time($$hash{$key}[27],$daylight);
 243                                 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
 244                                 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
 245                                 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
 246                                 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
 247                                 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
 248                                 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
 249                                 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
 250                                 $TIME=join(",",@timeframe);
 251
 252                                 $TIMEFROM="--timestart $time1 ";
 253                                 $TIMETILL="--timestop $time2 ";
 254                                 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
 255                         }
 256                         if ($MODE eq '1'){
 257                                 print "NR:$key ";
 258                                 foreach my $i (0 .. $#{$$hash{$key}}){
 259                                         print "$i: $$hash{$key}[$i]  ";
 260                                 }
 261                                 print "\n";
 262                                 print"##################################\n";
 263                                 #print rules to console
 264                                 foreach my $DPROT (@DPROT){
 265                                         $DPORT = &get_port($hash,$key,$DPROT);
 266                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 267                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 268                                         foreach my $a (sort keys %sourcehash){
 269                                                 foreach my $b (sort keys %targethash){
 270                                                         if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
 271                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 272                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 273                                                                         if(substr($DPORT, 2, 4) eq 'icmp'){
 274                                                                                 my @icmprule= split(",",substr($DPORT, 12,));
 275                                                                                 foreach (@icmprule){
 276                                                                                         if ($$hash{$key}[17] eq 'ON'){
 277                                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
 278                                                                                         }
 279                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
 280                                                                                 }
 281                                                                         }elsif($$hash{$key}[28] ne 'ON'){
 282                                                                                 if ($$hash{$key}[17] eq 'ON'){
 283                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 284                                                                                 }
 285                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 286                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 287                                                                                 if ($$hash{$key}[17] eq 'ON'){
 288                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 289                                                                                 }
 290                                                                                 my $fwaccessdport="--dport ".substr($DPORT,1,) if ($DPORT);
 291                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 292                                                                                 print "iptables -A PORTFWACCESS $PROT -i $con -d $ip $fwaccessdport $TIME -j ACCEPT\n";
 293                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $$hash{$key}[0]  --to $ip$DPORT\n";
 294                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[32] eq 'snat'){
 295                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]  --to $natip$fireport\n";
 296                                                                         }
 297                                                                 }
 298                                                         }
 299                                                 }
 300                                         }
 301                                         print"\n";
 302                                 }
 303                         }elsif($MODE eq '0'){
 304                                 foreach my $DPROT (@DPROT){
 305                                         $DPORT = &get_port($hash,$key,$DPROT);
 306                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 307                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 308                                         foreach my $a (sort keys %sourcehash){
 309                                                 foreach my $b (sort keys %targethash){
 310                                                         if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
 311                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 312                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 313                                                                         if(substr($DPORT, 2, 4) eq 'icmp'){
 314                                                                                 my @icmprule= split(",",substr($DPORT, 12,));
 315                                                                                 foreach (@icmprule){
 316                                                                                         if ($$hash{$key}[17] eq 'ON'){
 317                                                                                                 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
 318                                                                                         }
 319                                                                                         system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
 320                                                                                 }
 321                                                                         }elsif($$hash{$key}[28] ne 'ON'){
 322                                                                                 if ($$hash{$key}[17] eq 'ON'){
 323                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 324                                                                                 }
 325                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 326                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 327                                                                                 if ($$hash{$key}[17] eq 'ON'){
 328                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 329                                                                                 }
 330                                                                                 my $fwaccessdport="--dport ".substr($DPORT,1,) if ($DPORT);
 331                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 332                                                                                 system "iptables -A PORTFWACCESS $PROT -i $con -d $ip $fwaccessdport $TIME -j ACCEPT\n";
 333                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $$hash{$key}[0]  --to $ip$DPORT\n";
 334                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
 335                                                                                 if ($$hash{$key}[17] eq 'ON'){
 336                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT '\n";
 337                                                                                 }
 338                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]  --to $natip$fireport\n";
 339                                                                         }
 340                                                                 }
 341                                                         }
 342                                                 }
 343                                         }
 344                                 }
 345                         }
 346                 }
 347                 %sourcehash=();
 348                 %targethash=();
 349                 undef $TIME;
 350                 undef $TIMEFROM;
 351                 undef $TIMETILL;
 352                 undef $fireport;
 353         }
 354 }
 355 sub get_nat_ip
 356 {
 357         my $val=shift;
 358         my $result;
 359         if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
 360                 $result=$defaultNetworks{$val.'_ADDRESS'};
 361         }elsif($val eq 'ALL'){
 362                 $result='-i '.$con;
 363         }elsif($val eq 'Default IP'){
 364                 $result='-d '.$redip;
 365         }else{
 366                 foreach my $al (sort keys %aliases){
 367                         if($val eq $al){
 368                                 $result='-d '.$aliases{$al}{'IPT'};
 369                         }
 370                 }
 371         }
 372         return $result;
 373 }
 374 sub get_time
 375 {
 376         my $val=shift;
 377         my $val1=shift;
 378         my $time;
 379         my $minutes;
 380         my $ruletime;
 381         $minutes = &utcmin($val);
 382         $ruletime = $minutes + &time_get_utc($val);
 383         if ($ruletime < 0){$ruletime +=1440;}
 384         if ($ruletime > 1440){$ruletime -=1440;}
 385         $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
 386         return $time;
 387 }
 388 sub time_get_utc
 389 {
 390         # Calculates the UTCtime from a given time
 391         my $val=shift;
 392         my @localtime=localtime(time);
 393         my @gmtime=gmtime(time);
 394         my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
 395         return $diff;
 396 }
 397 sub utcmin
 398 {
 399         my $ruletime=shift;
 400         my ($hrs,$min) = split(":",$ruletime);
 401         my $newtime = $hrs*60+$min;
 402         return $newtime;
 403 }
 404 sub p2pblock
 405 {
 406         my $P2PSTRING;
 407         my $DO;
 408         open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
 409         @p2ps = <FILE>;
 410         close FILE;
 411         my $CMD = "-m ipp2p";
 412         foreach my $p2pentry (sort @p2ps) {
 413                 my @p2pline = split( /\;/, $p2pentry );
 414                 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
 415                         $DO = "ACCEPT";
 416                         if ("$p2pline[2]" eq "on") {
 417                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 418                         }
 419                 }else {
 420                         $DO = "RETURN";
 421                         if ("$p2pline[2]" eq "off") {
 422                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 423                         }
 424                 }
 425         }
 426         if ($MODE eq 1){
 427                 if($P2PSTRING){
 428                         print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
 429                 }
 430         }else{
 431                 if($P2PSTRING){
 432                         system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
 433                 }
 434         }
 435 }
 436 sub get_address
 437 {
 438         my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
 439         my $base2=shift;
 440         my $type=shift; #src or tgt
 441         my $hash;
 442         if ($type eq 'src'){
 443                 $hash=\%sourcehash;
 444         }else{
 445                 $hash=\%targethash;
 446         }
 447         my $key = &General::findhasharraykey($hash);
 448         if($base eq 'src_addr' || $base eq 'tgt_addr' ){
 449                 if (&General::validmac($base2)){
 450                         $$hash{$key}[0] = "-m mac --mac-source $base2";
 451                 }else{
 452                         $$hash{$key}[0] = $base2;
 453                 }
 454         }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
 455                 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
 456         }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
 457                 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
 458         }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
 459                 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
 460         }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
 461                 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
 462         }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
 463                 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
 464         }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
 465                 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,27);
 466         }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
 467                 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
 468         }
 469 }
 470 sub get_prot
 471 {
 472         my $hash=shift;
 473         my $key=shift;
 474         if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
 475                 if ($$hash{$key}[10] ne ''){
 476                         return"$$hash{$key}[8]";
 477                 }elsif($$hash{$key}[9] ne ''){
 478                         return"$$hash{$key}[8]";
 479                 }else{
 480                         return "$$hash{$key}[8]";
 481                 }
 482         }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
 483                 if ($$hash{$key}[14] eq 'TGT_PORT'){
 484                         if ($$hash{$key}[15] ne ''){
 485                                 return "$$hash{$key}[12]";
 486                         }elsif($$hash{$key}[13] ne ''){
 487                                 return "$$hash{$key}[12]";
 488                         }else{
 489                                 return "$$hash{$key}[12]";
 490                         }
 491                 }elsif($$hash{$key}[14] eq 'cust_srv'){
 492                         return &fwlib::get_srv_prot($$hash{$key}[15]);
 493
 494                 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
 495                         return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
 496                 }
 497         }
 498 }
 499 sub get_port
 500 {
 501         my $hash=shift;
 502         my $key=shift;
 503         my $prot=shift;
 504         if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
 505                 if ($$hash{$key}[10] ne ''){
 506                         $$hash{$key}[10] =~ s/\|/,/g;
 507                         if(index($$hash{$key}[10],",") > 0){
 508                                 return "-m multiport --sport $$hash{$key}[10] ";
 509                         }else{
 510                                 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat')  ){
 511                                         return "--sport $$hash{$key}[10] ";
 512                                 }else{
 513                                         return ":$$hash{$key}[10]";
 514                                 }
 515                         }
 516                 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
 517                         return "--icmp-type $$hash{$key}[9] ";
 518                 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
 519                         return;
 520                 }
 521         }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
 522
 523                 if($$hash{$key}[14] eq 'TGT_PORT'){
 524                         if ($$hash{$key}[15] ne ''){
 525                                 $$hash{$key}[15] =~ s/\|/,/g;
 526                                 if(index($$hash{$key}[15],",") > 0){
 527                                         return "-m multiport --dport $$hash{$key}[15] ";
 528                                 }else{
 529                                         if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
 530                                                 return "--dport $$hash{$key}[15] ";
 531                                          }else{
 532                                                 return ":$$hash{$key}[15]";
 533                                          }
 534                                 }
 535                         }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
 536                                 return "--icmp-type $$hash{$key}[13] ";
 537                         }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
 538                                 return;
 539                         }
 540                 }elsif($$hash{$key}[14] eq 'cust_srv'){
 541                         if ($prot ne 'ICMP'){
 542                                 if($$hash{$key}[31] eq 'dnat'){
 543                                         return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
 544                                 }else{
 545                                         return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
 546                                 }
 547                         }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
 548                                 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
 549                         }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
 550                                 return;
 551                         }
 552                 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
 553                         if      ($prot ne 'ICMP'){
 554                                 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
 555                         }
 556                         elsif($prot eq 'ICMP'){
 557                                 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
 558                         }
 559                 }
 560         }
 561 }