html/cgi-bin/ids.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2013  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 use strict;
  23
  24 # enable only the following on debugging purpose
  25 #use warnings;
  26 #use CGI::Carp 'fatalsToBrowser';
  27 use File::Copy;
  28
  29 require '/var/ipfire/general-functions.pl';
  30 require "${General::swroot}/lang.pl";
  31 require "${General::swroot}/header.pl";
  32
  33 sub refreshpage{&Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" );print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>";&Header::closebox();}
  34
  35 $a = new CGI;
  36
  37 my %color = ();
  38 my %mainsettings = ();
  39 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  40 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  41
  42 my %snortsettings=();
  43 my %checked=();
  44 my %selected=();
  45 my %netsettings=();
  46 our $errormessage = '';
  47 our $results = '';
  48 our $tempdir = '';
  49 our $url='';
  50 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  51
  52 &Header::showhttpheaders();
  53
  54 $snortsettings{'ENABLE_SNORT'} = 'off';
  55 $snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
  56 $snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
  57 $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
  58 $snortsettings{'ENABLE_GUARDIAN'} = 'off';
  59 $snortsettings{'GUARDIAN_INTERFACE'} = `cat /var/ipfire/red/iface`;
  60 $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'} = '1';
  61 $snortsettings{'GUARDIAN_LOGFILE'} = '/var/log/guardian/guardian.log';
  62 $snortsettings{'GUARDIAN_ALERTFILE'} = '/var/log/snort/alert';
  63 $snortsettings{'GUARDIAN_IGNOREFILE'} = '/var/ipfire/guardian/guardian.ignore';
  64 $snortsettings{'GUARDIAN_TARGETFILE'} = '/var/ipfire/guardian/guardian.target';
  65 $snortsettings{'GUARDIAN_TIMELIMIT'} = '86400';
  66 $snortsettings{'ACTION'} = '';
  67 $snortsettings{'ACTION2'} = '';
  68 $snortsettings{'RULES'} = '';
  69 $snortsettings{'OINKCODE'} = '';
  70 $snortsettings{'INSTALLDATE'} = '';
  71 $snortsettings{'FILE'} = '';
  72 $snortsettings{'UPLOAD'} = '';
  73
  74 &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'});
  75
  76 ####################### Added for snort rules control #################################
  77 my $snortrulepath; # change to "/etc/snort/rules" - maniac
  78 my @snortconfig;
  79 my $restartsnortrequired = 0;
  80 my %snortrules;
  81 my $rule = '';
  82 my $table1colour = '';
  83 my $table2colour = '';
  84 my $var = '';
  85 my $value = '';
  86 my $tmp = '';
  87 my $linkedrulefile = '';
  88 my $border = '';
  89 my $checkboxname = '';
  90
  91 if (-e "/etc/snort/snort.conf") {
  92
  93
  94         # Open snort.conf file, read it in, close it, and re-open for writing
  95         open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.';
  96         @snortconfig = <FILE>;
  97         close(FILE);
  98         open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.';
  99
 100     my @rules = `cd /etc/snort/rules/ && ls *.rules 2>/dev/null`;    # With this loop the rule might be display with correct rulepath set
 101         foreach (@rules) {
 102         chomp $_;
 103         my $temp = join(";",@snortconfig);
 104     if ( $temp =~ /$_/ ){next;}
 105     else { push(@snortconfig,"#include \$RULE_PATH/".$_);}
 106         }
 107
 108         # Loop over each line
 109         foreach my $line (@snortconfig) {
 110                 # Trim the line
 111                 chomp $line;
 112
 113                 # Check for a line with .rules
 114                 if ($line =~ /\.rules$/) {
 115                         # Parse out rule file name
 116                         $rule = $line;
 117                         $rule =~ s/\$RULE_PATH\///i;
 118                         $rule =~ s/ ?include ?//i;
 119                         $rule =~ s/\#//i;
 120                         my $snortrulepathrule = "$snortrulepath/$rule";
 121
 122                         # Open rule file and read in contents
 123                         open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule.";
 124                         my @snortrulefile = <RULEFILE>;
 125                         close(RULEFILE);
 126                         open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule";
 127
 128                         # Local vars
 129                         my $dashlinecnt = 0;
 130                         my $desclook = 1;
 131                         my $snortruledesc = '';
 132                         my %snortruledef = ();
 133                         my $rulecnt = 1;
 134
 135                         # Loop over rule file contents
 136                         foreach my $ruleline (@snortrulefile) {
 137                                 chomp $ruleline;
 138
 139                                 # If still looking for a description
 140                                 if ($desclook) {
 141                                         # If line does not start with a # anymore, then done looking for a description
 142                                         if ($ruleline !~ /^\#/) {
 143                                                 $desclook = 0;
 144                                         }
 145
 146                                         # If see more than one dashed line, (start to) create rule file description
 147                                         if ($dashlinecnt > 1) {
 148                                                 # Check for a line starting with a #
 149                                                 if ($ruleline =~ /^\#/ and $ruleline !~ /^\#alert/) {
 150                                                         # Create tempruleline
 151                                                         my $tempruleline = $ruleline;
 152
 153                                                         # Strip off # and clean up line
 154                                                         $tempruleline =~ s/\# ?//i;
 155
 156                                                         # Check for part of a description
 157                                                         if ($snortruledesc eq '') {
 158                                                                 $snortruledesc = $tempruleline;
 159                                                         } else {
 160                                                                 $snortruledesc .= " $tempruleline";
 161                                                         }
 162                                                 } else {
 163                                                         # Must be done
 164                                                         $desclook = 0;
 165                                                 }
 166                                         }
 167
 168                                         # If have a dashed line, increment count
 169                                         if ($ruleline =~ /\# ?\-+/) {
 170                                                 $dashlinecnt++;
 171                                         }
 172                                 } else {
 173                                         # Parse out rule file rule's message for display
 174                                         if ($ruleline =~ /(msg\:\"[^\"]+\";)/) {
 175                                                 my $msg = '';
 176                                                 $msg = $1;
 177                                                 $msg =~ s/msg\:\"//i;
 178                                                 $msg =~ s/\";//i;
 179                                                 $snortruledef{$rulecnt}{'Description'} = $msg;
 180
 181                                                 # Check for 'Save' and rule file displayed in query string
 182                                                 if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) {
 183                                                         # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
 184                                                         if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) {
 185                                                                 $restartsnortrequired = 1;
 186                                                         }
 187
 188                                                         # Strip out leading # from rule line
 189                                                         $ruleline =~ s/\# ?//i;
 190
 191                                                         # Check if it does not exists (which means it is disabled), append a #
 192                                                         if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) {
 193                                                                 $ruleline = "#"." $ruleline";
 194                                                         }
 195                                                 }
 196
 197                                                 # Check if ruleline does not begin with a #, so it is enabled
 198                                                 if ($ruleline !~ /^\#/) {
 199                                                         $snortruledef{$rulecnt++}{'State'} = 'Enabled';
 200                                                 } else {
 201                                                         # Otherwise it is disabled
 202                                                         $snortruledef{$rulecnt++}{'State'} = 'Disabled';
 203                                                 }
 204                                         }
 205                                 }
 206
 207                                 # Print ruleline to RULEFILE
 208                                 print RULEFILE "$ruleline\n";
 209                         }
 210
 211                         # Close RULEFILE
 212                         close(RULEFILE);
 213
 214                         # Check for 'Save'
 215                         if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) {
 216                                 # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
 217                                 if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) {
 218                                         $restartsnortrequired = 1;
 219                                 }
 220
 221                                 # Strip out leading # from rule line
 222                                 $line =~ s/\# ?//i;
 223
 224                                 # Check if it does not exists (which means it is disabled), append a #
 225                                 if (!exists $snortsettings{"SNORT_RULE_$rule"}) {
 226                                         $line = "# $line";
 227                                 }
 228
 229                         }
 230
 231                         # Check for rule state
 232                         if ($line =~ /^\#/) {
 233                                 $snortrules{$rule}{"State"} = "Disabled";
 234                         } else {
 235                                 $snortrules{$rule}{"State"} = "Enabled";
 236                         }
 237
 238                         # Set rule description
 239                         $snortrules{$rule}{"Description"} = $snortruledesc;
 240
 241                         # Loop over sorted rules
 242                         foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) {
 243                                 $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'};
 244                                 $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'};
 245                         }
 246
 247                         $snortruledesc = '';
 248                         print FILE "$line\n";
 249                 } elsif ($line =~ /var RULE_PATH/) {
 250                         ($tmp, $tmp, $snortrulepath) = split(' ', $line);
 251                         print FILE "$line\n";
 252                 } else {
 253                         print FILE "$line\n";
 254                 }
 255         }
 256         close(FILE);
 257
 258         if ($restartsnortrequired) {
 259                 system('/usr/local/bin/snortctrl restart >/dev/null');
 260         }
 261 }
 262
 263 #######################  End added for snort rules control  #################################
 264
 265 if ($snortsettings{'RULES'} eq 'subscripted') {
 266         $url=" http://www.snort.org/sub-rules/snortrules-snapshot-2940.tar.gz/$snortsettings{'OINKCODE'}";
 267 } elsif ($snortsettings{'RULES'} eq 'registered') {
 268         $url=" http://www.snort.org/reg-rules/snortrules-snapshot-2940.tar.gz/$snortsettings{'OINKCODE'}";
 269 } else {
 270         $url="http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz";
 271 }
 272
 273 if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" )
 274 {
 275         $errormessage = $Lang::tr{'invalid input for oink code'} unless (
 276             ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/)  ||
 277             ($snortsettings{'RULESTYPE'} eq 'nothing' ) ||
 278             ($snortsettings{'RULESTYPE'} eq 'community' ));
 279
 280         &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
 281         if ($snortsettings{'ENABLE_SNORT'} eq 'on')
 282         {
 283                 system ('/usr/bin/touch', "${General::swroot}/snort/enable");
 284         } else {
 285                 unlink "${General::swroot}/snort/enable";
 286         }
 287         if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on')
 288         {
 289                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_green");
 290         } else {
 291                 unlink "${General::swroot}/snort/enable_green";
 292         }
 293         if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on')
 294         {
 295                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue");
 296         } else {
 297                 unlink "${General::swroot}/snort/enable_blue";
 298         }
 299         if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on')
 300         {
 301                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange");
 302         } else {
 303                 unlink "${General::swroot}/snort/enable_orange";
 304         }
 305         if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on')
 306         {
 307                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect");
 308         } else {
 309                 unlink "${General::swroot}/snort/enable_preprocessor_http_inspect";
 310         }
 311         if ($snortsettings{'ENABLE_GUARDIAN'} eq 'on')
 312         {
 313                 system ('/usr/bin/touch', "${General::swroot}/guardian/enable");
 314         } else {
 315                 unlink "${General::swroot}/guardian/enable";
 316         }
 317
 318         system('/usr/local/bin/snortctrl restart >/dev/null');
 319
 320 } elsif ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "guardian" ){
 321                         foreach my $key (keys %snortsettings){
 322                                 if ( $key !~ /^GUARDIAN/ ){
 323                                         delete $snortsettings{$key};
 324                                 }
 325                         }
 326                         &General::writehashpart("${General::swroot}/snort/settings", \%snortsettings);
 327                         open(IGNOREFILE, ">$snortsettings{'GUARDIAN_IGNOREFILE'}") or die "Unable to write guardian ignore file $snortsettings{'GUARDIAN_IGNOREFILE'}";
 328                                 print IGNOREFILE $snortsettings{'GUARDIAN_IGNOREFILE_CONTENT'};
 329                         close(IGNOREFILE);
 330                         open(GUARDIAN, ">/var/ipfire/guardian/guardian.conf") or die "Unable to write guardian conf /var/ipfire/guardian/guardian.conf";
 331                                 print GUARDIAN <<END
 332 Interface   $snortsettings{'GUARDIAN_INTERFACE'}
 333 HostGatewayByte   $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'}
 334 LogFile   $snortsettings{'GUARDIAN_LOGFILE'}
 335 AlertFile   $snortsettings{'GUARDIAN_ALERTFILE'}
 336 IgnoreFile   $snortsettings{'GUARDIAN_IGNOREFILE'}
 337 TargetFile   $snortsettings{'GUARDIAN_TARGETFILE'}
 338 TimeLimit   $snortsettings{'GUARDIAN_TIMELIMIT'}
 339 END
 340 ;
 341                         close(GUARDIAN);
 342                 system('/usr/local/bin/snortctrl restart >/dev/null');
 343 }
 344          # INSTALLMD5 is not in the form, so not retrieved by getcgihash
 345         &General::readhash("${General::swroot}/snort/settings", \%snortsettings);
 346
 347 if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} || $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'}) {
 348
 349         my @df = `/bin/df -B M /var`;
 350         foreach my $line (@df) {
 351                 next if $line =~ m/^Filesystem/;
 352                 my $return;
 353
 354                 if ($line =~ m/dev/ ) {
 355                 $line =~ m/^.* (\d+)M.*$/;
 356                 my @temp = split(/ +/,$line);
 357                         if ($1<300) {
 358                                 $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB";
 359                         } else {
 360
 361                                 if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} ){
 362
 363                                         &downloadrulesfile();
 364                                         sleep(3);
 365                                         $return = `cat /var/tmp/log 2>/dev/null`;
 366
 367                                 } elsif ( $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'} ) {
 368                                         my $upload = $a->param("UPLOAD");
 369                                         open UPLOADFILE, ">/var/tmp/snortrules.tar.gz";
 370                                         binmode $upload;
 371                                         while ( <$upload> ) {
 372                                         print UPLOADFILE;
 373                                         }
 374                                         close UPLOADFILE;
 375                                 }
 376
 377                                         if ($return =~ "ERROR"){
 378                                                 $errormessage = "<br /><pre>".$return."</pre>";
 379                                         } else {
 380                                                 system("/usr/local/bin/oinkmaster.pl -v -s -u file:///var/tmp/snortrules.tar.gz -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules >>/var/tmp/log 2>&1 &");
 381                                                 sleep(2);
 382                                         }
 383                         }
 384                 }
 385         }
 386 }
 387
 388 $checked{'ENABLE_SNORT'}{'off'} = '';
 389 $checked{'ENABLE_SNORT'}{'on'} = '';
 390 $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'";
 391 $checked{'ENABLE_SNORT_GREEN'}{'off'} = '';
 392 $checked{'ENABLE_SNORT_GREEN'}{'on'} = '';
 393 $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'";
 394 $checked{'ENABLE_SNORT_BLUE'}{'off'} = '';
 395 $checked{'ENABLE_SNORT_BLUE'}{'on'} = '';
 396 $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'";
 397 $checked{'ENABLE_SNORT_ORANGE'}{'off'} = '';
 398 $checked{'ENABLE_SNORT_ORANGE'}{'on'} = '';
 399 $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'";
 400 $checked{'ENABLE_GUARDIAN'}{'off'} = '';
 401 $checked{'ENABLE_GUARDIAN'}{'on'} = '';
 402 $checked{'ENABLE_GUARDIAN'}{$snortsettings{'ENABLE_GUARDIAN'}} = "checked='checked'";
 403 $selected{'RULES'}{'nothing'} = '';
 404 $selected{'RULES'}{'community'} = '';
 405 $selected{'RULES'}{'registered'} = '';
 406 $selected{'RULES'}{'subscripted'} = '';
 407 $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
 408
 409 &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
 410
 411 ####################### Added for snort rules control #################################
 412 print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>";
 413 print <<END
 414 <STYLE TYPE="text/css">
 415 <!--
 416 .section {
 417         border: groove;
 418 }
 419 .row1color {
 420         border: ridge;
 421         background-color: $color{'color22'};
 422 }
 423 .row2color {
 424         border: ridge;
 425         background-color: $color{'color20'};
 426 }
 427 .rowselected {
 428         border: double #FF0000;
 429         background-color: #DCDCDC;
 430 }
 431 -->
 432 </STYLE>
 433 END
 434 ;
 435 #######################  End added for snort rules control  #################################
 436
 437 &Header::openbigbox('100%', 'left', '', $errormessage);
 438
 439 ###############
 440 # DEBUG DEBUG
 441 # &Header::openbox('100%', 'left', 'DEBUG');
 442 # my $debugCount = 0;
 443 # foreach my $line (sort keys %snortsettings) {
 444 # print "$line = $snortsettings{$line}<br />\n";
 445 # $debugCount++;
 446 # }
 447 # print "&nbsp;Count: $debugCount\n";
 448 # &Header::closebox();
 449 # DEBUG DEBUG
 450 ###############
 451
 452 if ($errormessage) {
 453         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 454         print "<class name='base'>$errormessage\n";
 455         print "&nbsp;</class>\n";
 456         &Header::closebox();
 457 }
 458
 459 my $return = `pidof oinkmaster.pl -x`;
 460 chomp($return);
 461 if ($return) {
 462         &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" );
 463         print <<END;
 464         <table>
 465                 <tr><td>
 466                                 <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' />&nbsp;
 467                         <td>
 468                                 $Lang::tr{'snort working'}
 469                 <tr><td colspan='2' align='center'>
 470                         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 471                                 <input type='image' alt='$Lang::tr{'reload'}' src='/images/view-refresh.png' />
 472                         </form>
 473                 <tr><td colspan='2' align='left'><pre>
 474 END
 475         my @output = `tail -20 /var/tmp/log`;
 476         foreach (@output) {
 477                 print "$_";
 478         }
 479         print <<END;
 480                         </pre>
 481                 </table>
 482 END
 483         &Header::closebox();
 484         &Header::closebigbox();
 485         &Header::closepage();
 486         exit;
 487         refreshpage();
 488 }
 489
 490 &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'});
 491 print <<END
 492 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
 493 <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort
 494 END
 495 ;
 496 if ($netsettings{'BLUE_DEV'} ne '') {
 497   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} />   BLUE Snort";
 498 }
 499 if ($netsettings{'ORANGE_DEV'} ne '') {
 500   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} />   ORANGE Snort";
 501 }
 502   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} />   RED Snort";
 503 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
 504   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_GUARDIAN' $checked{'ENABLE_GUARDIAN'}{'on'} />  Guardian";
 505 }
 506
 507 print <<END
 508 </td></tr>
 509 <tr>
 510         <td><hr /></td>
 511 </tr>
 512 <tr>
 513         <td><b>$Lang::tr{'ids rules update'}</b></td>
 514 </tr>
 515 <tr>
 516         <td><select name='RULES'>
 517                                 <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
 518                                 <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option>
 519                                 <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option>
 520                                 <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option>
 521                         </select>
 522         </td>
 523 </tr>
 524 <tr>
 525         <td><br />
 526                 $Lang::tr{'ids rules license'} <a href='https://www.snort.org/signup' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br />
 527                 $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'}
 528         </td>
 529 </tr>
 530 <tr>
 531         <td nowrap='nowrap'>Oinkcode:&nbsp;<input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td>
 532 </tr>
 533 <tr>
 534         <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' />
 535 END
 536 ;
 537 if ( -e "/var/tmp/snortrules.tar.gz"){
 538         my @Info = stat("/var/tmp/snortrules.tar.gz");
 539         $snortsettings{'INSTALLDATE'} = localtime($Info[9]);
 540 }
 541 print "&nbsp;$Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
 542
 543 print <<END
 544 </tr>
 545 </table>
 546 <hr />
 547 <table width='100%'>
 548 <tr>
 549         <td align='center'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
 550 </tr>
 551 </table>
 552 </form>
 553 END
 554 ;
 555
 556 if ($results ne '') {
 557         print "$results";
 558 }
 559
 560 &Header::closebox();
 561
 562 ####################### Added for guardian control ####################################
 563 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
 564         &Header::openbox('100%', 'LEFT', $Lang::tr{'guardian configuration'});
 565 print <<END
 566 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
 567 <tr><td align='left' width='40%'>$Lang::tr{'guardian interface'}</td><td align='left'><input type='text' name='GUARDIAN_INTERFACE' value='$snortsettings{'GUARDIAN_INTERFACE'}' size="30" /></td></tr>
 568 <tr><td align='left' width='40%'>$Lang::tr{'guardian timelimit'}</td><td align='left'><input type='text' name='GUARDIAN_TIMELIMIT' value='$snortsettings{'GUARDIAN_TIMELIMIT'}' size="30" /></td></tr>
 569 <tr><td align='left' width='40%'>$Lang::tr{'guardian logfile'}</td><td align='left'><input type='text' name='GUARDIAN_LOGFILE' value='$snortsettings{'GUARDIAN_LOGFILE'}' size="30" /></td></tr>
 570 <tr><td align='left' width='40%'>$Lang::tr{'guardian alertfile'}</td><td align='left'><input type='text' name='GUARDIAN_ALERTFILE' value='$snortsettings{'GUARDIAN_ALERTFILE'}' size="30" /></td></tr>
 571 <tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='GUARDIAN_IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'>
 572 END
 573 ;
 574         print `cat /var/ipfire/guardian/guardian.ignore`;
 575 print <<END
 576 </textarea></td></tr>
 577 <tr><td align='center' colspan='2'><input type='hidden' name='ACTION2' value='guardian' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td></tr>
 578 </table>
 579 </form>
 580 END
 581 ;
 582         &Header::closebox();
 583 }
 584
 585
 586
 587
 588 ####################### Added for snort rules control #################################
 589 if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) {
 590         &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
 591                 # Output display table for rule files
 592                 print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>";
 593
 594                 print "<form method='post'>";
 595
 596                 # Local vars
 597                 my $ruledisplaycnt = 1;
 598                 my $rulecnt = keys %snortrules;
 599                 $rulecnt++;
 600                 $rulecnt = $rulecnt / 2;
 601
 602                 # Loop over each rule file
 603                 foreach my $rulefile (sort keys(%snortrules)) {
 604                         my $rulechecked = '';
 605
 606                         # Hide inkompatible Block rules
 607                         if ($rulefile =~'-BLOCK.rules') {
 608                                 next;
 609                         }
 610
 611                         # Check if reached half-way through rule file rules to start new column
 612                 if ($ruledisplaycnt > $rulecnt) {
 613                                 print "</TABLE></TD><TD VALIGN='TOP'><TABLE>";
 614                                 $ruledisplaycnt = 0;
 615                         }
 616
 617                         # Check if rule file is enabled
 618                         if ($snortrules{$rulefile}{"State"} eq 'Enabled') {
 619                                 $rulechecked = 'CHECKED';
 620                         }
 621
 622                         # Create rule file link, vars array, and display flag
 623                         my $rulefilelink = "?RULEFILE=$rulefile";
 624                         my $rulefiletoclose = '';
 625                         my @queryvars = ();
 626                         my $displayrulefilerules = 0;
 627
 628                         # Check for passed in query string
 629                         if ($ENV{'QUERY_STRING'}) {
 630                                 # Split out vars
 631                                 @queryvars = split(/\&/, $ENV{'QUERY_STRING'});
 632
 633                                 # Loop over values
 634                                 foreach $value (@queryvars) {
 635                                         # Split out var pairs
 636                                         ($var, $linkedrulefile) = split(/=/, $value);
 637
 638                                         # Check if var is 'RULEFILE'
 639                                         if ($var eq 'RULEFILE') {
 640                                                 # Check if rulefile equals linkedrulefile
 641                                                 if ($rulefile eq $linkedrulefile) {
 642                                                         # Set display flag
 643                                                         $displayrulefilerules = 1;
 644
 645                                                         # Strip out rulefile from rulefilelink
 646                                                         $rulefilelink =~ s/RULEFILE=$linkedrulefile//g;
 647                                                 } else {
 648                                                         # Add linked rule file to rulefilelink
 649                                                         $rulefilelink .= "&RULEFILE=$linkedrulefile";
 650                                                 }
 651                                         }
 652                                 }
 653                         }
 654
 655                         # Strip out extra & & ? from rulefilelink
 656                         $rulefilelink =~ s/^\?\&/\?/i;
 657
 658                         # Check for a single '?' and replace with page for proper link display
 659                         if ($rulefilelink eq '?') {
 660                                 $rulefilelink = "ids.cgi";
 661                         }
 662
 663                         # Output rule file name and checkbox
 664                         print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>";
 665                         print "<TR><TD CLASS='base' VALIGN='TOP'>";
 666
 667                         # Check for empty 'Description'
 668                         if ($snortrules{$rulefile}{'Description'} eq '') {
 669                                 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>";
 670                         } else {
 671                                 # Output rule file 'Description'
 672                                 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>";
 673                         }
 674
 675                         # Check for display flag
 676                         if ($displayrulefilerules) {
 677                                 # Rule file definition rule display
 678                                 print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>";
 679
 680                                 # Local vars
 681                                 my $ruledefdisplaycnt = 0;
 682                                 my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}};
 683                                 $ruledefcnt++;
 684                                 $ruledefcnt = $ruledefcnt / 2;
 685
 686                                 # Loop over rule file rules
 687                                 foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) {
 688                                         # Local vars
 689                                         my $ruledefchecked = '';
 690
 691                                         # If have display 2 rules, start new row
 692                                         if (($ruledefdisplaycnt % 2) == 0) {
 693                                                 print "</TR><TR>";
 694                                                 $ruledefdisplaycnt = 0;
 695                                         }
 696
 697                                         # Check for rules state
 698                                         if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') {
 699                                                 $ruledefchecked = 'CHECKED';
 700                                         }
 701
 702                                         # Create rule file rule's checkbox
 703                                         $checkboxname = "SNORT_RULE_$rulefile";
 704                                         $checkboxname .= "_$ruledef";
 705                                         print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>";
 706
 707                                         # Increment count
 708                                         $ruledefdisplaycnt++;
 709                                 }
 710
 711                                 # If do not have second rule for row, create empty cell
 712                                 if (($ruledefdisplaycnt % 2) != 0) {
 713                                         print "<TD CLASS='base'></TD>";
 714                                 }
 715
 716                                 # Close display table
 717                                 print "</TR></TABLE></TD></TR>";
 718                 }
 719
 720                         # Close display table
 721                         print "</TABLE>";
 722
 723                         # Increment ruledisplaycnt
 724                 $ruledisplaycnt++;
 725                 }
 726         print "</TD></TR></TABLE></TD></TR></TABLE>";
 727         print <<END
 728 <table width='100%'>
 729 <tr>
 730         <td width='33%'>&nbsp;</td>
 731         <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 732         <td width='33%'>
 733                 &nbsp; <!-- space for future online help link -->
 734         </td>
 735 </tr>
 736 </table>
 737 </form>
 738 END
 739 ;
 740         &Header::closebox();
 741 }
 742
 743 #######################  End added for snort rules control  #################################
 744 &Header::closebigbox();
 745 &Header::closepage();
 746
 747 sub downloadrulesfile {
 748         my $peer;
 749         my $peerport;
 750
 751         unlink("/var/tmp/log");
 752
 753         unless (-e "${General::swroot}/red/active") {
 754                 $errormessage = $Lang::tr{'could not download latest updates'};
 755                 return undef;
 756         }
 757
 758         my %proxysettings=();
 759         &General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
 760
 761         if ($_=$proxysettings{'UPSTREAM_PROXY'}) {
 762                 ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
 763         }
 764
 765         if ($peer) {
 766                 system("wget -r --proxy=on --proxy-user=$proxysettings{'UPSTREAM_USER'} --proxy-passwd=$proxysettings{'UPSTREAM_PASSWORD'} -e http_proxy=http://$peer:$peerport/ -o /var/tmp/log --no-check-certificate --output-document=/var/tmp/snortrules.tar.gz $url");
 767         } else {
 768                 system("wget -r --no-check-certificate -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url");
 769         }
 770 }