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         $url=" https://www.snort.org/rules/snortrules-snapshot-2970.tar.gz?oinkcode=$snortsettings{'OINKCODE'}";
 267 } elsif ($snortsettings{'RULES'} eq 'registered') {
 268         $url=" https://www.snort.org/rules/snortrules-snapshot-2970.tar.gz?oinkcode=$snortsettings{'OINKCODE'}";
 269 } elsif ($snortsettings{'RULES'} eq 'community') {
 270         $url=" https://www.snort.org/rules/community";
 271 } else {
 272         $url="http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz";
 273 }
 274
 275 if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" )
 276 {
 277         $errormessage = $Lang::tr{'invalid input for oink code'} unless (
 278             ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/)  ||
 279             ($snortsettings{'RULES'} eq 'nothing' ) ||
 280             ($snortsettings{'RULES'} eq 'emerging' ) ||
 281             ($snortsettings{'RULES'} eq 'community' ));
 282
 283         &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
 284         if ($snortsettings{'ENABLE_SNORT'} eq 'on')
 285         {
 286                 system ('/usr/bin/touch', "${General::swroot}/snort/enable");
 287         } else {
 288                 unlink "${General::swroot}/snort/enable";
 289         }
 290         if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on')
 291         {
 292                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_green");
 293         } else {
 294                 unlink "${General::swroot}/snort/enable_green";
 295         }
 296         if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on')
 297         {
 298                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue");
 299         } else {
 300                 unlink "${General::swroot}/snort/enable_blue";
 301         }
 302         if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on')
 303         {
 304                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange");
 305         } else {
 306                 unlink "${General::swroot}/snort/enable_orange";
 307         }
 308         if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on')
 309         {
 310                 system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect");
 311         } else {
 312                 unlink "${General::swroot}/snort/enable_preprocessor_http_inspect";
 313         }
 314         if ($snortsettings{'ENABLE_GUARDIAN'} eq 'on')
 315         {
 316                 system ('/usr/bin/touch', "${General::swroot}/guardian/enable");
 317         } else {
 318                 unlink "${General::swroot}/guardian/enable";
 319         }
 320
 321         system('/usr/local/bin/snortctrl restart >/dev/null');
 322
 323 } elsif ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "guardian" ){
 324                         foreach my $key (keys %snortsettings){
 325                                 if ( $key !~ /^GUARDIAN/ ){
 326                                         delete $snortsettings{$key};
 327                                 }
 328                         }
 329                         &General::writehashpart("${General::swroot}/snort/settings", \%snortsettings);
 330                         open(IGNOREFILE, ">$snortsettings{'GUARDIAN_IGNOREFILE'}") or die "Unable to write guardian ignore file $snortsettings{'GUARDIAN_IGNOREFILE'}";
 331                                 print IGNOREFILE $snortsettings{'GUARDIAN_IGNOREFILE_CONTENT'};
 332                         close(IGNOREFILE);
 333                         open(GUARDIAN, ">/var/ipfire/guardian/guardian.conf") or die "Unable to write guardian conf /var/ipfire/guardian/guardian.conf";
 334                                 print GUARDIAN <<END
 335 Interface   $snortsettings{'GUARDIAN_INTERFACE'}
 336 HostGatewayByte   $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'}
 337 LogFile   $snortsettings{'GUARDIAN_LOGFILE'}
 338 AlertFile   $snortsettings{'GUARDIAN_ALERTFILE'}
 339 IgnoreFile   $snortsettings{'GUARDIAN_IGNOREFILE'}
 340 TargetFile   $snortsettings{'GUARDIAN_TARGETFILE'}
 341 TimeLimit   $snortsettings{'GUARDIAN_TIMELIMIT'}
 342 END
 343 ;
 344                         close(GUARDIAN);
 345                 system('/usr/local/bin/snortctrl restart >/dev/null');
 346 }
 347          # INSTALLMD5 is not in the form, so not retrieved by getcgihash
 348         &General::readhash("${General::swroot}/snort/settings", \%snortsettings);
 349
 350 if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} || $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'}) {
 351
 352         my @df = `/bin/df -B M /var`;
 353         foreach my $line (@df) {
 354                 next if $line =~ m/^Filesystem/;
 355                 my $return;
 356
 357                 if ($line =~ m/dev/ ) {
 358                 $line =~ m/^.* (\d+)M.*$/;
 359                 my @temp = split(/ +/,$line);
 360                         if ($1<300) {
 361                                 $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB";
 362                         } else {
 363
 364                                 if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} ){
 365
 366                                         &downloadrulesfile();
 367                                         sleep(3);
 368                                         $return = `cat /var/tmp/log 2>/dev/null`;
 369
 370                                 } elsif ( $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'} ) {
 371                                         my $upload = $a->param("UPLOAD");
 372                                         open UPLOADFILE, ">/var/tmp/snortrules.tar.gz";
 373                                         binmode $upload;
 374                                         while ( <$upload> ) {
 375                                         print UPLOADFILE;
 376                                         }
 377                                         close UPLOADFILE;
 378                                 }
 379
 380                                         if ($return =~ "ERROR"){
 381                                                 $errormessage = "<br /><pre>".$return."</pre>";
 382                                         } else {
 383                                                 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 &");
 384                                                 sleep(2);
 385                                         }
 386                         }
 387                 }
 388         }
 389 }
 390
 391 $checked{'ENABLE_SNORT'}{'off'} = '';
 392 $checked{'ENABLE_SNORT'}{'on'} = '';
 393 $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'";
 394 $checked{'ENABLE_SNORT_GREEN'}{'off'} = '';
 395 $checked{'ENABLE_SNORT_GREEN'}{'on'} = '';
 396 $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'";
 397 $checked{'ENABLE_SNORT_BLUE'}{'off'} = '';
 398 $checked{'ENABLE_SNORT_BLUE'}{'on'} = '';
 399 $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'";
 400 $checked{'ENABLE_SNORT_ORANGE'}{'off'} = '';
 401 $checked{'ENABLE_SNORT_ORANGE'}{'on'} = '';
 402 $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'";
 403 $checked{'ENABLE_GUARDIAN'}{'off'} = '';
 404 $checked{'ENABLE_GUARDIAN'}{'on'} = '';
 405 $checked{'ENABLE_GUARDIAN'}{$snortsettings{'ENABLE_GUARDIAN'}} = "checked='checked'";
 406 $selected{'RULES'}{'nothing'} = '';
 407 $selected{'RULES'}{'community'} = '';
 408 $selected{'RULES'}{'emerging'} = '';
 409 $selected{'RULES'}{'registered'} = '';
 410 $selected{'RULES'}{'subscripted'} = '';
 411 $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
 412
 413 &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
 414
 415 ####################### Added for snort rules control #################################
 416 print "<script type='text/javascript' src='/include/snortupdateutility.js'></script>";
 417 print <<END
 418 <style type="text/css">
 419 <!--
 420 .section {
 421         border: groove;
 422 }
 423 .row1color {
 424         border: ridge;
 425         background-color: $color{'color22'};
 426 }
 427 .row2color {
 428         border: ridge;
 429         background-color: $color{'color20'};
 430 }
 431 .rowselected {
 432         border: double #FF0000;
 433         background-color: #DCDCDC;
 434 }
 435 -->
 436 </style>
 437 END
 438 ;
 439 #######################  End added for snort rules control  #################################
 440
 441 &Header::openbigbox('100%', 'left', '', $errormessage);
 442
 443 ###############
 444 # DEBUG DEBUG
 445 # &Header::openbox('100%', 'left', 'DEBUG');
 446 # my $debugCount = 0;
 447 # foreach my $line (sort keys %snortsettings) {
 448 # print "$line = $snortsettings{$line}<br />\n";
 449 # $debugCount++;
 450 # }
 451 # print "&nbsp;Count: $debugCount\n";
 452 # &Header::closebox();
 453 # DEBUG DEBUG
 454 ###############
 455
 456 if ($errormessage) {
 457         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 458         print "<class name='base'>$errormessage\n";
 459         print "&nbsp;</class>\n";
 460         &Header::closebox();
 461 }
 462
 463 my $return = `pidof oinkmaster.pl -x`;
 464 chomp($return);
 465 if ($return) {
 466         &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" );
 467         print <<END;
 468         <table>
 469                 <tr><td>
 470                                 <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' />&nbsp;
 471                         <td>
 472                                 $Lang::tr{'snort working'}
 473                 <tr><td colspan='2' align='center'>
 474                         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 475                                 <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' />
 476                         </form>
 477                 <tr><td colspan='2' align='left'><pre>
 478 END
 479         my @output = `tail -20 /var/tmp/log`;
 480         foreach (@output) {
 481                 print "$_";
 482         }
 483         print <<END;
 484                         </pre>
 485                 </table>
 486 END
 487         &Header::closebox();
 488         &Header::closebigbox();
 489         &Header::closepage();
 490         exit;
 491         refreshpage();
 492 }
 493
 494 &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'});
 495 print <<END
 496 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
 497 <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort
 498 END
 499 ;
 500 if ($netsettings{'BLUE_DEV'} ne '') {
 501   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} />   BLUE Snort";
 502 }
 503 if ($netsettings{'ORANGE_DEV'} ne '') {
 504   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} />   ORANGE Snort";
 505 }
 506   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} />   RED Snort";
 507 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
 508   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_GUARDIAN' $checked{'ENABLE_GUARDIAN'}{'on'} />  Guardian";
 509 }
 510
 511 print <<END
 512 </td></tr>
 513 <tr>
 514         <td><br><br></td>
 515 </tr>
 516 <tr>
 517         <td><b>$Lang::tr{'ids rules update'}</b></td>
 518 </tr>
 519 <tr>
 520         <td><select name='RULES'>
 521                                 <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
 522                                 <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option>
 523                                 <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option>
 524                                 <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option>
 525                                 <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option>
 526                         </select>
 527         </td>
 528 </tr>
 529 <tr>
 530         <td><br />
 531                 $Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br />
 532                 $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'}
 533         </td>
 534 </tr>
 535 <tr>
 536         <td nowrap='nowrap'>Oinkcode:&nbsp;<input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td>
 537 </tr>
 538 <tr>
 539         <td width='30%' align='left'><br><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' />
 540 END
 541 ;
 542 if ( -e "/var/tmp/snortrules.tar.gz"){
 543         my @Info = stat("/var/tmp/snortrules.tar.gz");
 544         $snortsettings{'INSTALLDATE'} = localtime($Info[9]);
 545 }
 546 print "&nbsp;$Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
 547
 548 print <<END
 549 </tr>
 550 </table>
 551 <br><br>
 552 <table width='100%'>
 553 <tr>
 554         <td align='right'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
 555 </tr>
 556 </table>
 557 </form>
 558 END
 559 ;
 560
 561 if ($results ne '') {
 562         print "$results";
 563 }
 564
 565 &Header::closebox();
 566
 567 ####################### Added for guardian control ####################################
 568 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
 569         &Header::openbox('100%', 'LEFT', $Lang::tr{'guardian configuration'});
 570 print <<END
 571 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
 572 <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>
 573 <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>
 574 <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>
 575 <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>
 576 <tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='GUARDIAN_IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'>
 577 END
 578 ;
 579         print `cat /var/ipfire/guardian/guardian.ignore`;
 580 print <<END
 581 </textarea></td></tr>
 582 <tr><td align='right' colspan='2'><input type='hidden' name='ACTION2' value='guardian' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td></tr>
 583 </table>
 584 </form>
 585 END
 586 ;
 587         &Header::closebox();
 588 }
 589
 590
 591
 592
 593 ####################### Added for snort rules control #################################
 594 if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) {
 595         &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
 596                 # Output display table for rule files
 597                 print "<table width='100%'><tr><td valign='top'><table>";
 598
 599                 print "<form method='post'>";
 600
 601                 # Local vars
 602                 my $ruledisplaycnt = 1;
 603                 my $rulecnt = keys %snortrules;
 604                 $rulecnt++;
 605                 $rulecnt = $rulecnt / 2;
 606
 607                 # Loop over each rule file
 608                 foreach my $rulefile (sort keys(%snortrules)) {
 609                         my $rulechecked = '';
 610
 611                         # Hide inkompatible Block rules
 612                         if ($rulefile =~'-BLOCK.rules') {
 613                                 next;
 614                         }
 615
 616                         # Check if reached half-way through rule file rules to start new column
 617                 if ($ruledisplaycnt > $rulecnt) {
 618                                 print "</table></td><td valign='top'><table>";
 619                                 $ruledisplaycnt = 0;
 620                         }
 621
 622                         # Check if rule file is enabled
 623                         if ($snortrules{$rulefile}{"State"} eq 'Enabled') {
 624                                 $rulechecked = 'CHECKED';
 625                         }
 626
 627                         # Create rule file link, vars array, and display flag
 628                         my $rulefilelink = "?RULEFILE=$rulefile";
 629                         my $rulefiletoclose = '';
 630                         my @queryvars = ();
 631                         my $displayrulefilerules = 0;
 632
 633                         # Check for passed in query string
 634                         if ($ENV{'QUERY_STRING'}) {
 635                                 # Split out vars
 636                                 @queryvars = split(/\&/, $ENV{'QUERY_STRING'});
 637
 638                                 # Loop over values
 639                                 foreach $value (@queryvars) {
 640                                         # Split out var pairs
 641                                         ($var, $linkedrulefile) = split(/=/, $value);
 642
 643                                         # Check if var is 'RULEFILE'
 644                                         if ($var eq 'RULEFILE') {
 645                                                 # Check if rulefile equals linkedrulefile
 646                                                 if ($rulefile eq $linkedrulefile) {
 647                                                         # Set display flag
 648                                                         $displayrulefilerules = 1;
 649
 650                                                         # Strip out rulefile from rulefilelink
 651                                                         $rulefilelink =~ s/RULEFILE=$linkedrulefile//g;
 652                                                 } else {
 653                                                         # Add linked rule file to rulefilelink
 654                                                         $rulefilelink .= "&RULEFILE=$linkedrulefile";
 655                                                 }
 656                                         }
 657                                 }
 658                         }
 659
 660                         # Strip out extra & & ? from rulefilelink
 661                         $rulefilelink =~ s/^\?\&/\?/i;
 662
 663                         # Check for a single '?' and replace with page for proper link display
 664                         if ($rulefilelink eq '?') {
 665                                 $rulefilelink = "ids.cgi";
 666                         }
 667
 668                         # Output rule file name and checkbox
 669                         print "<tr><td class='base' valign='top'><input type='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <a href='$rulefilelink'>$rulefile</a></td></tr>";
 670                         print "<tr><td class='base' valign='top'>";
 671
 672                         # Check for empty 'Description'
 673                         if ($snortrules{$rulefile}{'Description'} eq '') {
 674                                 print "<table width='100%'><tr><td class='base'>No description available</td></tr>";
 675                         } else {
 676                                 # Output rule file 'Description'
 677                                 print "<table width='100%'><tr><td class='base'>$snortrules{$rulefile}{'Description'}</td></tr>";
 678                         }
 679
 680                         # Check for display flag
 681                         if ($displayrulefilerules) {
 682                                 # Rule file definition rule display
 683                                 print "<tr><td class='base' valign='top'><table border='0'><tr>";
 684
 685                                 # Local vars
 686                                 my $ruledefdisplaycnt = 0;
 687                                 my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}};
 688                                 $ruledefcnt++;
 689                                 $ruledefcnt = $ruledefcnt / 2;
 690
 691                                 # Loop over rule file rules
 692                                 foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) {
 693                                         # Local vars
 694                                         my $ruledefchecked = '';
 695
 696                                         # If have display 2 rules, start new row
 697                                         if (($ruledefdisplaycnt % 2) == 0) {
 698                                                 print "</tr><tr>";
 699                                                 $ruledefdisplaycnt = 0;
 700                                         }
 701
 702                                         # Check for rules state
 703                                         if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') {
 704                                                 $ruledefchecked = 'CHECKED';
 705                                         }
 706
 707                                         # Create rule file rule's checkbox
 708                                         $checkboxname = "SNORT_RULE_$rulefile";
 709                                         $checkboxname .= "_$ruledef";
 710                                         print "<td class='base'><input type='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</td>";
 711
 712                                         # Increment count
 713                                         $ruledefdisplaycnt++;
 714                                 }
 715
 716                                 # If do not have second rule for row, create empty cell
 717                                 if (($ruledefdisplaycnt % 2) != 0) {
 718                                         print "<td class='base'></td>";
 719                                 }
 720
 721                                 # Close display table
 722                                 print "</tr></table></td></tr>";
 723                 }
 724
 725                         # Close display table
 726                         print "</table>";
 727
 728                         # Increment ruledisplaycnt
 729                 $ruledisplaycnt++;
 730                 }
 731         print "</td></tr></table></td></tr></table>";
 732         print <<END
 733 <table width='100%'>
 734 <tr>
 735         <td width='100%' align='right'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 736                 &nbsp; <!-- space for future online help link -->
 737         </td>
 738 </tr>
 739 </table>
 740 </form>
 741 END
 742 ;
 743         &Header::closebox();
 744 }
 745
 746 #######################  End added for snort rules control  #################################
 747 &Header::closebigbox();
 748 &Header::closepage();
 749
 750 sub downloadrulesfile {
 751         my $peer;
 752         my $peerport;
 753
 754         unlink("/var/tmp/log");
 755
 756         unless (-e "${General::swroot}/red/active") {
 757                 $errormessage = $Lang::tr{'could not download latest updates'};
 758                 return undef;
 759         }
 760
 761         my %proxysettings=();
 762         &General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
 763
 764         if ($_=$proxysettings{'UPSTREAM_PROXY'}) {
 765                 ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
 766         }
 767
 768         if ($peer) {
 769                 system("wget -r --proxy=on --proxy-user=$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");
 770         } else {
 771                 system("wget -r --no-check-certificate -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url");
 772         }
 773 }