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 $CHAIN -m state --state NEW -j ACCEPT");
 141                         system ("/usr/sbin/firewall-policy");
 142                         system ("/etc/sysconfig/firewall.local reload");
 143                 }
 144         }
 145 }
 146 sub flush
 147 {
 148         system ("iptables -F FORWARDFW");
 149         system ("iptables -F INPUTFW");
 150         system ("iptables -F OUTGOINGFW");
 151         system ("iptables -F PORTFWACCESS");
 152         system ("iptables -t nat -F NAT_DESTINATION");
 153         system ("iptables -t nat -F NAT_SOURCE");
 154 }
 155 sub preparerules
 156 {
 157         if (! -z  "${General::swroot}/forward/dmz"){
 158                 &buildrules(\%configdmzfw);
 159         }
 160         if (! -z  "${General::swroot}/forward/config"){
 161                 &buildrules(\%configfwdfw);
 162         }
 163         if (! -z  "${General::swroot}/forward/input"){
 164                 &buildrules(\%configinputfw);
 165         }
 166         if (! -z  "${General::swroot}/forward/outgoing"){
 167                 &buildrules(\%configoutgoingfw);
 168         }
 169         if (! -z  "${General::swroot}/forward/nat"){
 170                 &buildrules(\%confignatfw);
 171         }
 172 }
 173 sub buildrules
 174 {
 175         my $hash=shift;
 176         my $STAG;
 177         my $natip;
 178         my $snatport;
 179         my $fireport;
 180         my $nat;
 181         my $fwaccessdport;
 182         foreach my $key (sort {$a <=> $b} keys %$hash){
 183                 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
 184                 if ($$hash{$key}[28] eq 'ON'){
 185                         $command='iptables -t nat -A';
 186                         $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
 187                         if($$hash{$key}[31] eq 'dnat'){
 188                                 $nat='DNAT';
 189                                 if ($$hash{$key}[30] =~ /\|/){
 190                                         $$hash{$key}[30]=~ tr/|/,/;
 191                                         $fireport='-m multiport --dport '.$$hash{$key}[30];
 192                                 }else{
 193                                         $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
 194                                 }
 195                         }else{
 196                                 $nat='SNAT';
 197                         }
 198                 }
 199                 $STAG='';
 200                 if($$hash{$key}[2] eq 'ON'){
 201                         #get source ip's
 202                         if ($$hash{$key}[3] eq 'cust_grp_src'){
 203                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 204                                                 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
 205                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
 206                                         }
 207                                 }
 208                         }else{
 209                                 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
 210                         }
 211                         #get target ip's
 212                         if ($$hash{$key}[5] eq 'cust_grp_tgt'){
 213                                 foreach my $grp (sort {$a <=> $b} keys %customgrp){
 214                                         if($customgrp{$grp}[0] eq $$hash{$key}[6]){
 215                                                 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
 216                                         }
 217                                 }
 218                         }elsif($$hash{$key}[5] eq 'ipfire'){
 219                                 if($$hash{$key}[6] eq 'GREEN'){
 220                                         $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
 221                                 }
 222                                 if($$hash{$key}[6] eq 'BLUE'){
 223                                         $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
 224                                 }
 225                                 if($$hash{$key}[6] eq 'ORANGE'){
 226                                         $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
 227                                 }
 228                                 if($$hash{$key}[6] eq 'ALL'){
 229                                         $targethash{$key}[0]='0.0.0.0/0';
 230                                 }
 231                                 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
 232                                         open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
 233                                         $targethash{$key}[0]= <FILE>;
 234                                         close(FILE);
 235                                 }else{
 236                                         foreach my $alias (sort keys %aliases){
 237                                                 if ($$hash{$key}[6] eq $alias){
 238                                                         $targethash{$key}[0]=$aliases{$alias}{'IPT'};
 239                                                 }
 240                                         }
 241                                 }
 242                         }else{
 243                                 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
 244                         }
 245                         ##get source prot and port
 246                         $SRC_TGT='SRC';
 247                         $SPROT = &get_prot($hash,$key);
 248                         $SPORT = &get_port($hash,$key);
 249                         $SRC_TGT='';
 250
 251                         ##get target prot and port
 252                         $DPROT=&get_prot($hash,$key);
 253
 254                         if ($DPROT eq ''){$DPROT=' ';}
 255                         @DPROT=split(",",$DPROT);
 256
 257                         #get time if defined
 258                         if($$hash{$key}[18] eq 'ON'){
 259                                 my ($time1,$time2,$daylight);
 260                                 my $daylight=$$hash{$key}[28];
 261                                 $time1=&get_time($$hash{$key}[26],$daylight);
 262                                 $time2=&get_time($$hash{$key}[27],$daylight);
 263                                 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
 264                                 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
 265                                 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
 266                                 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
 267                                 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
 268                                 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
 269                                 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
 270                                 $TIME=join(",",@timeframe);
 271
 272                                 $TIMEFROM="--timestart $time1 ";
 273                                 $TIMETILL="--timestop $time2 ";
 274                                 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
 275                         }
 276                         if ($MODE eq '1'){
 277                                 print "NR:$key ";
 278                                 foreach my $i (0 .. $#{$$hash{$key}}){
 279                                         print "$i: $$hash{$key}[$i]  ";
 280                                 }
 281                                 print "\n";
 282                                 print"##################################\n";
 283                                 #print rules to console
 284                                 foreach my $DPROT (@DPROT){
 285                                         $DPORT = &get_port($hash,$key,$DPROT);
 286                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 287                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 288                                         foreach my $a (sort keys %sourcehash){
 289                                                 foreach my $b (sort keys %targethash){
 290                                                         if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
 291                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 292                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 293                                                                         if(substr($DPORT, 2, 4) eq 'icmp'){
 294                                                                                 my @icmprule= split(",",substr($DPORT, 12,));
 295                                                                                 foreach (@icmprule){
 296                                                                                         if ($$hash{$key}[17] eq 'ON'){
 297                                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
 298                                                                                         }
 299                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
 300                                                                                 }
 301                                                                         }elsif($$hash{$key}[28] ne 'ON'){
 302                                                                                 if ($$hash{$key}[17] eq 'ON'){
 303                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 304                                                                                 }
 305                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 306                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 307                                                                                 if ($$hash{$key}[17] eq 'ON'){
 308                                                                                         print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 309                                                                                 }
 310                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 311                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
 312                                                                                 $DPORT =~ s/\-/:/g;
 313                                                                                 if ($DPORT){
 314                                                                                         $fwaccessdport="--dport ".substr($DPORT,1,);
 315                                                                                 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
 316                                                                                         if ($$hash{$key}[30]=~m/|/i){
 317                                                                                                 $$hash{$key}[30] =~ s/\|/,/g;
 318                                                                                                 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
 319                                                                                         }else{
 320                                                                                                 $fwaccessdport="--dport $$hash{$key}[30]";
 321                                                                                         }
 322                                                                                 }
 323                                                                                 print "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
 324                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
 325                                                                                 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
 326                                                                         }
 327                                                                 }
 328                                                         }
 329                                                 }
 330                                         }
 331                                         print"\n";
 332                                 }
 333                         }elsif($MODE eq '0'){
 334                                 foreach my $DPROT (@DPROT){
 335                                         $DPORT = &get_port($hash,$key,$DPROT);
 336                                         if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
 337                                         $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
 338                                         foreach my $a (sort keys %sourcehash){
 339                                                 foreach my $b (sort keys %targethash){
 340                                                         if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
 341                                                                 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
 342                                                                         if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
 343                                                                         if(substr($DPORT, 2, 4) eq 'icmp'){
 344                                                                                 my @icmprule= split(",",substr($DPORT, 12,));
 345                                                                                 foreach (@icmprule){
 346                                                                                         if ($$hash{$key}[17] eq 'ON'){
 347                                                                                                 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
 348                                                                                         }
 349                                                                                         system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
 350                                                                                 }
 351                                                                         }elsif($$hash{$key}[28] ne 'ON'){
 352                                                                                 if ($$hash{$key}[17] eq 'ON'){
 353                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
 354                                                                                 }
 355                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
 356                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
 357                                                                                 if ($$hash{$key}[17] eq 'ON'){
 358                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
 359                                                                                 }
 360                                                                                 my ($ip,$sub) =split("/",$targethash{$b}[0]);
 361                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
 362                                                                                 $DPORT =~ s/\-/:/g;
 363                                                                                 if ($DPORT){
 364                                                                                         $fwaccessdport="--dport ".substr($DPORT,1,);
 365                                                                                 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
 366                                                                                         if ($$hash{$key}[30]=~m/|/i){
 367                                                                                                 $$hash{$key}[30] =~ s/\|/,/g;
 368                                                                                                 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
 369                                                                                         }else{
 370                                                                                                 $fwaccessdport="--dport $$hash{$key}[30]";
 371                                                                                         }
 372                                                                                 }
 373                                                                                 system "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
 374                                                                         }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
 375                                                                                 if ($$hash{$key}[17] eq 'ON'){
 376                                                                                         system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT '\n";
 377                                                                                 }
 378                                                                                 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat  --to $natip$fireport\n";
 379                                                                         }
 380                                                                 }
 381                                                         }
 382                                                 }
 383                                         }
 384                                 }
 385                         }
 386                 }
 387                 %sourcehash=();
 388                 %targethash=();
 389                 undef $TIME;
 390                 undef $TIMEFROM;
 391                 undef $TIMETILL;
 392                 undef $fireport;
 393         }
 394 }
 395 sub get_nat_ip
 396 {
 397         my $val=shift;
 398         my $type=shift;
 399         my $result;
 400         if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
 401                 $result=$defaultNetworks{$val.'_ADDRESS'};
 402         }elsif($val eq 'ALL'){
 403                 $result='-i '.$con;
 404         }elsif($val eq 'Default IP' && $type eq 'dnat'){
 405                 $result='-d '.$redip;
 406         }elsif($val eq 'Default IP' && $type eq 'snat'){
 407                 $result=$redip;
 408         }else{
 409                 foreach my $al (sort keys %aliases){
 410                         if($val eq $al && $type eq 'dnat'){
 411                                 $result='-d '.$aliases{$al}{'IPT'};
 412                         }elsif($val eq $al && $type eq 'snat'){
 413                                 $result=$aliases{$al}{'IPT'};
 414                         }
 415                 }
 416         }
 417         return $result;
 418 }
 419 sub get_time
 420 {
 421         my $val=shift;
 422         my $val1=shift;
 423         my $time;
 424         my $minutes;
 425         my $ruletime;
 426         $minutes = &utcmin($val);
 427         $ruletime = $minutes + &time_get_utc($val);
 428         if ($ruletime < 0){$ruletime +=1440;}
 429         if ($ruletime > 1440){$ruletime -=1440;}
 430         $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
 431         return $time;
 432 }
 433 sub time_get_utc
 434 {
 435         # Calculates the UTCtime from a given time
 436         my $val=shift;
 437         my @localtime=localtime(time);
 438         my @gmtime=gmtime(time);
 439         my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
 440         return $diff;
 441 }
 442 sub utcmin
 443 {
 444         my $ruletime=shift;
 445         my ($hrs,$min) = split(":",$ruletime);
 446         my $newtime = $hrs*60+$min;
 447         return $newtime;
 448 }
 449 sub p2pblock
 450 {
 451         my $P2PSTRING;
 452         my $DO;
 453         open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
 454         @p2ps = <FILE>;
 455         close FILE;
 456         my $CMD = "-m ipp2p";
 457         foreach my $p2pentry (sort @p2ps) {
 458                 my @p2pline = split( /\;/, $p2pentry );
 459                 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
 460                         $DO = "ACCEPT";
 461                         if ("$p2pline[2]" eq "on") {
 462                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 463                         }
 464                 }else {
 465                         $DO = "RETURN";
 466                         if ("$p2pline[2]" eq "off") {
 467                                 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
 468                         }
 469                 }
 470         }
 471         if ($MODE eq 1){
 472                 if($P2PSTRING){
 473                         print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
 474                 }
 475         }else{
 476                 if($P2PSTRING){
 477                         system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
 478                 }
 479         }
 480 }
 481 sub get_address
 482 {
 483         my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
 484         my $base2=shift;
 485         my $type=shift; #src or tgt
 486         my $hash;
 487         if ($type eq 'src'){
 488                 $hash=\%sourcehash;
 489         }else{
 490                 $hash=\%targethash;
 491         }
 492         my $key = &General::findhasharraykey($hash);
 493         if($base eq 'src_addr' || $base eq 'tgt_addr' ){
 494                 if (&General::validmac($base2)){
 495                         $$hash{$key}[0] = "-m mac --mac-source $base2";
 496                 }else{
 497                         $$hash{$key}[0] = $base2;
 498                 }
 499         }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
 500                 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
 501         }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
 502                 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
 503         }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
 504                 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
 505         }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
 506                 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
 507         }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
 508                 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
 509         }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
 510                 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
 511         }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
 512                 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
 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'){
 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 }