html/cgi-bin/ids.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2015  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
  28 require '/var/ipfire/general-functions.pl';
  29 require "${General::swroot}/lang.pl";
  30 require "${General::swroot}/header.pl";
  31 require "${General::swroot}/ids-functions.pl";
  32
  33 my %color = ();
  34 my %mainsettings = ();
  35 my %netsettings = ();
  36 my %snortrules = ();
  37 my %snortsettings=();
  38 my %rulesetsources = ();
  39 my %cgiparams=();
  40 my %checked=();
  41 my %selected=();
  42
  43 # Read-in main settings, for language, theme and colors.
  44 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  45 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  46
  47 # Get netsettings.
  48 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  49
  50 my $snortrulepath = "/etc/snort/rules";
  51 my $snortusedrulefilesfile = "${General::swroot}/snort/snort-used-rulefiles.conf";
  52 my $errormessage;
  53
  54 &Header::showhttpheaders();
  55
  56 # Default settings for snort.
  57 $snortsettings{'ENABLE_SNORT'} = 'off';
  58 $snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
  59 $snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
  60 $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
  61 $snortsettings{'RULES'} = '';
  62 $snortsettings{'OINKCODE'} = '';
  63
  64 #Get GUI values
  65 &Header::getcgihash(\%cgiparams);
  66
  67 # Try to determine if oinkmaster is running.
  68 my $oinkmaster_pid = `pidof oinkmaster.pl -x`;
  69
  70 # If oinkmaster is running display output.
  71 if ($oinkmaster_pid) {
  72         &working("$Lang::tr{'snort working'}");
  73 }
  74
  75 ## Grab all available snort rules and store them in the snortrules hash.
  76 #
  77 # Open snort rules directory and do a directory listing.
  78 opendir(DIR, $snortrulepath) or die $!;
  79         # Loop through the direcory.
  80         while (my $file = readdir(DIR)) {
  81
  82                 # We only want files.
  83                 next unless (-f "$snortrulepath/$file");
  84
  85                 # Ignore empty files.
  86                 next if (-z "$snortrulepath/$file");
  87
  88                 # Use a regular expression to find files ending in .rules
  89                 next unless ($file =~ m/\.rules$/);
  90
  91                 # Ignore files which are not read-able.
  92                 next unless (-R "$snortrulepath/$file");
  93
  94                 # Call subfunction to read-in rulefile and add rules to
  95                 # the snortrules hash.
  96                 &readrulesfile("$file");
  97         }
  98
  99 closedir(DIR);
 100
 101 # Gather used rulefiles.
 102 #
 103 # Check if the file for activated rulefiles is not empty.
 104 if(-f $snortusedrulefilesfile) {
 105         # Open the file for used rulefile and read-in content.
 106         open(FILE, $snortusedrulefilesfile) or die "Could not open $snortusedrulefilesfile. $!\n";
 107
 108         # Read-in content.
 109         my @lines = <FILE>;
 110
 111         # Close file.
 112         close(FILE);
 113
 114         # Loop through the array.
 115         foreach my $line (@lines) {
 116                 # Remove newlines.
 117                 chomp($line);
 118
 119                 # Skip comments.
 120                 next if ($line =~ /\#/);
 121
 122                 # Skip blank  lines.
 123                 next if ($line =~ /^\s*$/);
 124
 125                 # Gather rule sid and message from the ruleline.
 126                 if ($line =~ /.*include \$RULE_PATH\/(.*)/) {
 127                         my $rulefile = $1;
 128
 129                         # Add the rulefile to the %snortrules hash.
 130                         $snortrules{$rulefile}{'Rulefile'}{'State'} = "on";
 131                 }
 132         }
 133 }
 134
 135 # Save ruleset.
 136 if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
 137         my $enabled_sids_file = "${General::swroot}/snort/oinkmaster-enabled-sids.conf";
 138         my $disabled_sids_file = "${General::swroot}/snort/oinkmaster-disabled-sids.conf";
 139
 140         # Arrays to store sid which should be added to the corresponding files.
 141         my @enabled_sids;
 142         my @disabled_sids;
 143         my @enabled_rulefiles;
 144
 145         # Loop through the hash of snortrules.
 146         foreach my $rulefile(keys %snortrules) {
 147                 # Check if the rulefile is enabled.
 148                 if ($cgiparams{$rulefile} eq "on") {
 149                         # Add rulefile to the array of enabled rulefiles.
 150                         push(@enabled_rulefiles, $rulefile);
 151
 152                         # Drop item from cgiparams hash.
 153                         delete $cgiparams{$rulefile};
 154                 }
 155         }
 156
 157         # Loop through the hash of snortrules.
 158         foreach my $rulefile (keys %snortrules) {
 159                 # Loop through the single rules of the rulefile.
 160                 foreach my $sid (keys %{$snortrules{$rulefile}}) {
 161                         # Skip the current sid if it is not numeric.
 162                         next unless ($sid =~ /\d+/ );
 163
 164                         # Check if there exists a key in the cgiparams hash for this sid.
 165                         if (exists($cgiparams{$sid})) {
 166                                 # Look if the rule is disabled.
 167                                 if ($snortrules{$rulefile}{$sid}{'State'} eq "off") {
 168                                         # Check if the state has been set to 'on'.
 169                                         if ($cgiparams{$sid} eq "on") {
 170                                                 # Add the sid to the enabled_sids array.
 171                                                 push(@enabled_sids, $sid);
 172
 173                                                 # Drop item from cgiparams hash.
 174                                                 delete $cgiparams{$rulefile}{$sid};
 175                                         }
 176                                 }
 177                         } else {
 178                                 # Look if the rule is enabled.
 179                                 if ($snortrules{$rulefile}{$sid}{'State'} eq "on") {
 180                                         # Check if the state is 'on' and should be disabled.
 181                                         # In this case there is no entry
 182                                         # for the sid in the cgiparams hash.
 183                                         # Add it to the disabled_sids array.
 184                                         push(@disabled_sids, $sid);
 185
 186                                         # Drop item from cgiparams hash.
 187                                         delete $cgiparams{$rulefile}{$sid};
 188                                 }
 189                         }
 190                 }
 191         }
 192
 193         # Open enabled sid's file for writing.
 194         open(FILE, ">$enabled_sids_file") or die "Could not write to $enabled_sids_file. $!\n";
 195
 196         # Write header to file.
 197         print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
 198
 199         # Check if the enabled_sids array contains any sid's.
 200         if (@enabled_sids) {
 201                 # Loop through the array of enabled sids and write them to the file.
 202                 foreach my $sid (@enabled_sids) {
 203                         print FILE "enablesid $sid\n";
 204                 }
 205         }
 206
 207         # Close file after writing.
 208         close(FILE);
 209
 210         # Open disabled sid's file for writing.
 211         open(FILE, ">$disabled_sids_file") or die "Could not write to $disabled_sids_file. $!\n";
 212
 213         # Write header to file.
 214         print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
 215
 216         # Check if the enabled_sids array contains any sid's.
 217         if (@disabled_sids) {
 218                 # Loop through the array of disabled sids and write them to the file.
 219                 foreach my $sid (@disabled_sids) {
 220                         print FILE "disablesid $sid\n";
 221                 }
 222         }
 223
 224         # Close file after writing.
 225         close(FILE);
 226
 227         # Open file for used rulefiles.
 228         open (FILE, ">$snortusedrulefilesfile") or die "Could not write to $snortusedrulefilesfile. $!\n";
 229
 230         # Write header to file.
 231         print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
 232
 233         # Check if the enabled_rulefiles array contains any entries.
 234         if (@enabled_rulefiles) {
 235                 # Loop through the array of rulefiles which should be loaded and write the to the file.
 236                 foreach my $file (@enabled_rulefiles) {
 237                         print FILE "include \$RULE_PATH/$file\n";
 238                 }
 239         }
 240
 241         # Close file after writing.
 242         close(FILE);
 243
 244         # Call oinkmaster to alter the ruleset.
 245         &oinkmaster();
 246
 247 # Download new ruleset.
 248 } elsif ($cgiparams{'RULESET'} eq $Lang::tr{'download new ruleset'}) {
 249         # Check if the red device is active.
 250         unless (-e "${General::swroot}/red/active") {
 251                 $errormessage = $Lang::tr{'could not download latest updates'};
 252         }
 253
 254         # Check if there is enought free disk space available.
 255         $errormessage = &IDS::checkdiskspace();
 256
 257         # Check if any errors happend.
 258         unless ($errormessage) {
 259                 # Call subfunction to download the ruleset.
 260                 $errormessage = &IDS::downloadruleset();
 261         }
 262
 263         # Sleep for 1 second
 264         sleep(1);
 265
 266         # Check if the downloader returend any error message.
 267         unless ($errormessage) {
 268                 # Call subfunction to launch oinkmaster.
 269                 &oinkmaster();
 270
 271                 # Sleep for 1 seconds.
 272                 sleep(1);
 273         }
 274 # Save snort settings.
 275 } elsif ($cgiparams{'SNORT'} eq $Lang::tr{'save'}) {
 276         # Prevent form name from been stored in conf file.
 277         delete $cgiparams{'SNORT'};
 278
 279         # Check if an oinkcode has been provided.
 280         if ($cgiparams{'OINKCODE'}) {
 281                 # Check if the oinkcode contains unallowed chars.
 282                 unless ($cgiparams{'OINKCODE'} =~ /^[a-z0-9]+$/) {
 283                         $errormessage = $Lang::tr{'invalid input for oink code'};
 284                 }
 285         }
 286
 287         # Go on if there are no error messages.
 288         if (!$errormessage) {
 289                 # Store settings into settings file.
 290                 &General::writehash("${General::swroot}/snort/settings", \%cgiparams);
 291
 292                 # Call snortctrl to restart snort
 293                 system('/usr/local/bin/snortctrl restart >/dev/null');
 294         }
 295 }
 296
 297 # Read-in snortsettings
 298 &General::readhash("${General::swroot}/snort/settings", \%snortsettings);
 299
 300 $checked{'ENABLE_SNORT'}{'off'} = '';
 301 $checked{'ENABLE_SNORT'}{'on'} = '';
 302 $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'";
 303 $checked{'ENABLE_SNORT_GREEN'}{'off'} = '';
 304 $checked{'ENABLE_SNORT_GREEN'}{'on'} = '';
 305 $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'";
 306 $checked{'ENABLE_SNORT_BLUE'}{'off'} = '';
 307 $checked{'ENABLE_SNORT_BLUE'}{'on'} = '';
 308 $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'";
 309 $checked{'ENABLE_SNORT_ORANGE'}{'off'} = '';
 310 $checked{'ENABLE_SNORT_ORANGE'}{'on'} = '';
 311 $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'";
 312 $selected{'RULES'}{'nothing'} = '';
 313 $selected{'RULES'}{'community'} = '';
 314 $selected{'RULES'}{'emerging'} = '';
 315 $selected{'RULES'}{'registered'} = '';
 316 $selected{'RULES'}{'subscripted'} = '';
 317 $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
 318
 319 &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
 320
 321 ### Java Script ###
 322 print <<END
 323 <script>
 324         // Tiny java script function to show/hide the rules
 325         // of a given category.
 326         function showhide(tblname) {
 327                 \$("#" + tblname).toggle();
 328         }
 329 </script>
 330 END
 331 ;
 332
 333 &Header::openbigbox('100%', 'left', '', $errormessage);
 334
 335 if ($errormessage) {
 336         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 337         print "<class name='base'>$errormessage\n";
 338         print "&nbsp;</class>\n";
 339         &Header::closebox();
 340 }
 341
 342 &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'});
 343
 344 my $rulesdate;
 345
 346 # Check if a ruleset allready has been downloaded.
 347 if ( -f "$IDS::rulestarball"){
 348         # Call stat on the filename to obtain detailed information.
 349         my @Info = stat("$IDS::rulestarball");
 350
 351         # Grab details about the creation time.
 352         $rulesdate = localtime($Info[9]);
 353 }
 354
 355 print <<END
 356 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 357         <table width='100%' border='0'>
 358                 <tr>
 359                         <td class='base' width='25%'>
 360                                 <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'}>RED Snort
 361                         </td>
 362
 363                         <td class='base' width='25%'>
 364                                 <input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'}>GREEN Snort
 365                         </td>
 366
 367                         <td class='base' width='25%'>
 368 END
 369 ;
 370
 371 # Check if a blue device is configured.
 372 if ($netsettings{'BLUE_DEV'}) {
 373   print "<input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} />BLUE Snort\n";
 374 }
 375
 376 print "</td>\n";
 377
 378 print "<td width='25%'>\n";
 379
 380 # Check if an orange device is configured.
 381 if ($netsettings{'ORANGE_DEV'}) {
 382   print "<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} />ORANGE Snort\n";
 383 }
 384
 385 print <<END
 386                         </td>
 387                 </tr>
 388
 389                 <tr>
 390                         <td colspan='4'><br><br></td>
 391                 </tr>
 392
 393                 <tr>
 394                         <td colspan='4'><b>$Lang::tr{'ids rules update'}</b></td>
 395                 </tr>
 396
 397                 <tr>
 398                         <td colspan='4'><select name='RULES'>
 399                                 <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
 400                                 <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option>
 401                                 <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option>
 402                                 <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option>
 403                                 <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option>
 404                         </select>
 405                         </td>
 406                 </tr>
 407
 408                 <tr>
 409                         <td colspan='4'>
 410                                 <br>$Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}</br>
 411                                 <br>$Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'}</br>
 412                         </td>
 413                 </tr>
 414
 415                 <tr>
 416                         <td colspan='4' nowrap='nowrap'>Oinkcode:&nbsp;<input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}'></td>
 417                 </tr>
 418
 419                 <tr>
 420                         <td colspan='4' align='left'><br>
 421                                 <input type='submit' name='RULESET' value='$Lang::tr{'download new ruleset'}'>&nbsp;$Lang::tr{'updates installed'}: $rulesdate
 422                         </td>
 423
 424                 </tr>
 425         </table>
 426
 427         <br><br>
 428
 429         <table width='100%'>
 430                 <tr>
 431                         <td align='right'><input type='submit' name='SNORT' value='$Lang::tr{'save'}' /></td>
 432                 </tr>
 433         </table>
 434 </form>
 435 END
 436 ;
 437
 438 &Header::closebox();
 439
 440 &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
 441         print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
 442
 443         # Output display table for rule files
 444         print "<table width='100%'>\n";
 445
 446         # Local variable required for java script to show/hide
 447         # rules of a rulefile.
 448         my $rulesetcount = 1;
 449
 450         # Loop over each rule file
 451         foreach my $rulefile (sort keys(%snortrules)) {
 452                 my $rulechecked = '';
 453
 454                 # Check if rule file is enabled
 455                 if ($snortrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
 456                         $rulechecked = 'CHECKED';
 457                 }
 458
 459                 # Table and rows for the rule files.
 460                 print"<tr>\n";
 461                 print"<td class='base' width='5%'>\n";
 462                 print"<input type='checkbox' name='$rulefile' $rulechecked>\n";
 463                 print"</td>\n";
 464                 print"<td class='base' width='90%'><b>$rulefile</b></td>\n";
 465                 print"<td class='base' width='5%' align='right'>\n";
 466                 print"<a href=\"javascript:showhide('ruleset$rulesetcount')\">SHOW</a>\n";
 467                 print"</td>\n";
 468                 print"</tr>\n";
 469
 470                 # Rows which will be hidden per default and will contain the single rules.
 471                 print"<tr  style='display:none' id='ruleset$rulesetcount'>\n";
 472                 print"<td colspan='3'>\n";
 473
 474                 # Local vars
 475                 my $lines;
 476                 my $rows;
 477                 my $col;
 478
 479                 # New table for the single rules.
 480                 print "<table width='100%'>\n";
 481
 482                 # Loop over rule file rules
 483                 foreach my $sid (sort {$a <=> $b} keys(%{$snortrules{$rulefile}})) {
 484                         # Local vars
 485                         my $ruledefchecked = '';
 486
 487                         # Skip rulefile itself.
 488                         next if ($sid eq "Rulefile");
 489
 490                         # If 2 rules have been displayed, start a new row
 491                         if (($lines % 2) == 0) {
 492                                 print "</tr><tr>\n";
 493
 494                                 # Increase rows by once.
 495                                 $rows++;
 496                         }
 497
 498                         # Colour lines.
 499                         if ($rows % 2) {
 500                                 $col="bgcolor='$color{'color20'}'";
 501                         } else {
 502                                 $col="bgcolor='$color{'color22'}'";
 503                         }
 504
 505                         # Set rule state
 506                         if ($snortrules{$rulefile}{$sid}{'State'} eq 'on') {
 507                                 $ruledefchecked = 'CHECKED';
 508                         }
 509
 510                         # Create rule checkbox and display rule description
 511                         print "<td class='base' width='5%' align='right' $col>\n";
 512                         print "<input type='checkbox' NAME='$sid' $ruledefchecked>\n";
 513                         print "</td>\n";
 514                         print "<td class='base' width='45%' $col>$snortrules{$rulefile}{$sid}{'Description'}</td>";
 515
 516                         # Increment rule count
 517                         $lines++;
 518                 }
 519
 520                 # If do not have a second rule for row, create empty cell
 521                 if (($lines % 2) != 0) {
 522                         print "<td class='base'></td>";
 523                 }
 524
 525                 # Close display table
 526                 print "</tr></table></td></tr>";
 527
 528                 # Finished whith the rule file, increase count.
 529                 $rulesetcount++;
 530         }
 531
 532         # Close display table
 533         print "</table>";
 534
 535 print <<END
 536 <table width='100%'>
 537 <tr>
 538         <td width='100%' align='right'><input type='submit' name='RULESET' value='$Lang::tr{'update'}'>
 539                 &nbsp; <!-- space for future online help link -->
 540         </td>
 541 </tr>
 542 </table>
 543 </form>
 544 END
 545 ;
 546 &Header::closebox();
 547 &Header::closebigbox();
 548 &Header::closepage();
 549
 550 sub working ($) {
 551         my $message = $_[0];
 552
 553         &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
 554         &Header::openbigbox('100%', 'left', '', $errormessage);
 555         &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1'>" );
 556         print <<END;
 557         <table>
 558                 <tr>
 559                         <td><img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /></td>
 560                         <td>$message</td>
 561                 </tr>
 562                 <tr>
 563                         <td colspan='2' align='center'>
 564                         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 565                                 <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' />
 566                         </form>
 567                 </tr>
 568         </table>
 569 END
 570         &Header::closebox();
 571         &Header::closebigbox();
 572         &Header::closepage();
 573         exit;
 574 }
 575
 576 #
 577 ## Private function to read-in and parse rules of a given rulefile.
 578 #
 579 ## The given file will be read, parsed and all valid rules will be stored by ID,
 580 ## message/description and it's state in the snortrules hash.
 581 #
 582 sub readrulesfile ($) {
 583         my $rulefile = shift;
 584
 585         # Open rule file and read in contents
 586         open(RULEFILE, "$snortrulepath/$rulefile") or die "Unable to read $rulefile!";
 587
 588         # Store file content in an array.
 589         my @lines = <RULEFILE>;
 590
 591         # Close file.
 592         close(RULEFILE);
 593
 594         # Loop over rule file contents
 595         foreach my $line (@lines) {
 596                 # Remove whitespaces.
 597                 chomp $line;
 598
 599                 # Skip blank  lines.
 600                 next if ($line =~ /^\s*$/);
 601
 602                 # Local vars.
 603                 my $sid;
 604                 my $msg;
 605
 606                 # Gather rule sid and message from the ruleline.
 607                 if ($line =~ m/.*msg:\"(.*?)\"\; .* sid:(.*?); /) {
 608                         $msg = $1;
 609                         $sid = $2;
 610
 611                         # Check if a rule has been found.
 612                         if ($sid && $msg) {
 613                                 # Add rule to the snortrules hash.
 614                                 $snortrules{$rulefile}{$sid}{'Description'} = $msg;
 615
 616                                 # Grab status of the rule. Check if ruleline starts with a "dash".
 617                                 if ($line =~ /^\#/) {
 618                                         # If yes, the rule is disabled.
 619                                         $snortrules{$rulefile}{$sid}{'State'} = "off";
 620                                 } else {
 621                                         # Otherwise the rule is enabled.
 622                                         $snortrules{$rulefile}{$sid}{'State'} = "on";
 623                                 }
 624                         }
 625                 }
 626         }
 627 }