This should fix bug #0000689
[people/pmueller/ipfire-2.x.git] / html / cgi-bin / ids.cgi
1 #!/usr/bin/perl
2 ###############################################################################
3 #                                                                             #
4 # IPFire.org - A linux based firewall                                         #
5 # Copyright (C) 2005-2010  IPFire Team                                        #
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`;    # 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://dl.snort.org/sub-rules/snortrules-snapshot-2.8_s.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
267         $url=" http://www.snort.org/reg-rules/snortrules-snapshot-2860_s.tar.gz/$snortsettings{'OINKCODE'}";
268         #$url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8_s.tar.gz";
269 } elsif ($snortsettings{'RULES'} eq 'registered') {
270         #$url="http://dl.snort.org/reg-rules/snortrules-snapshot-2.8.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
271         $url=" http://www.snort.org/reg-rules/snortrules-snapshot-2860.tar.gz/$snortsettings{'OINKCODE'}";
272         #$url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8.tar.gz";
273 } else {
274         $url="http://www.emergingthreats.net/rules/emerging.rules.tar.gz";
275 }
276
277 if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" )
278 {
279         $errormessage = $Lang::tr{'invalid input for oink code'} unless (
280             ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/)  ||
281             ($snortsettings{'RULESTYPE'} eq 'nothing' )       );
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'}{'registered'} = '';
409 $selected{'RULES'}{'subscripted'} = '';
410 $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
411
412 &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
413
414 ####################### Added for snort rules control #################################
415 print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>";
416 print <<END
417 <STYLE TYPE="text/css">
418 <!--
419 .section {
420         border: groove;
421 }
422 .row1color {
423         border: ridge;
424         background-color: $color{'color22'};
425 }
426 .row2color {
427         border: ridge;
428         background-color: $color{'color20'};
429 }
430 .rowselected {
431         border: double #FF0000;
432         background-color: #DCDCDC;
433 }
434 -->
435 </STYLE>
436 END
437 ;
438 #######################  End added for snort rules control  #################################
439
440 &Header::openbigbox('100%', 'left', '', $errormessage);
441
442 ###############
443 # DEBUG DEBUG
444 # &Header::openbox('100%', 'left', 'DEBUG');
445 # my $debugCount = 0;
446 # foreach my $line (sort keys %snortsettings) {
447 # print "$line = $snortsettings{$line}<br />\n";
448 # $debugCount++;
449 # }
450 # print "&nbsp;Count: $debugCount\n";
451 # &Header::closebox();
452 # DEBUG DEBUG
453 ###############
454
455 if ($errormessage) {
456         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
457         print "<class name='base'>$errormessage\n";
458         print "&nbsp;</class>\n";
459         &Header::closebox();
460 }
461
462 my $return = `pidof oinkmaster.pl -x`;
463 chomp($return);
464 if ($return) {
465         &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" );
466         print <<END;
467         <table>
468                 <tr><td>
469                                 <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' />&nbsp;
470                         <td>
471                                 $Lang::tr{'snort working'}
472                 <tr><td colspan='2' align='center'>
473                         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
474                                 <input type='image' alt='$Lang::tr{'reload'}' src='/images/view-refresh.png' />
475                         </form>
476                 <tr><td colspan='2' align='left'><pre>
477 END
478         my @output = `tail -20 /var/tmp/log`;
479         foreach (@output) {
480                 print "$_";
481         }
482         print <<END;
483                         </pre>
484                 </table>
485 END
486         &Header::closebox();
487         &Header::closebigbox();
488         &Header::closepage();
489         exit;
490         refreshpage();
491 }
492
493 &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'});
494 print <<END
495 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
496 <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort
497 END
498 ;
499 if ($netsettings{'BLUE_DEV'} ne '') {
500   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} />   BLUE Snort";
501 }
502 if ($netsettings{'ORANGE_DEV'} ne '') {
503   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} />   ORANGE Snort";
504 }
505   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} />   RED Snort";
506 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
507   print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_GUARDIAN' $checked{'ENABLE_GUARDIAN'}{'on'} />  Guardian";
508 }
509
510 print <<END
511 </td></tr>
512 <tr>
513         <td><hr /></td>
514 </tr>
515 <tr>
516         <td><b>$Lang::tr{'ids rules update'}</b></td>
517 </tr>
518 <tr>
519         <td><select name='RULES'>
520                                 <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
521                                 <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option>
522                                 <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option>
523                                 <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option>
524                         </select>
525         </td>
526 </tr>
527 <tr>
528         <td><br />
529                 $Lang::tr{'ids rules license'} <a href='https://www.snort.org/signup' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br />
530                 $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'}
531         </td>
532 </tr>
533 <tr>
534         <td nowrap='nowrap'>Oinkcode:&nbsp;<input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td>
535 </tr>
536 <tr>
537         <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' />
538 END
539 ;
540
541 if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} ) {
542         $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`;
543         &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
544 }
545 print "&nbsp;$Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
546
547 print <<END
548 </tr>
549 </table>
550 <hr />
551 <table width='100%'>
552 <tr>
553         <td align='center'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
554 </tr>
555 </table>
556 </form>
557 END
558 ;
559
560 if ($results ne '') {
561         print "$results";
562 }
563
564 &Header::closebox();
565
566 ####################### Added for guardian control ####################################
567 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
568         &Header::openbox('100%', 'LEFT', $Lang::tr{'guardian configuration'});
569 print <<END
570 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
571 <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>
572 <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>
573 <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>
574 <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>
575 <tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='GUARDIAN_IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'>
576 END
577 ;
578         print `cat /var/ipfire/guardian/guardian.ignore`;
579 print <<END
580 </textarea></td></tr>
581 <tr><td align='center' colspan='2'><input type='hidden' name='ACTION2' value='guardian' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td></tr>
582 </table>
583 </form>
584 END
585 ;
586         &Header::closebox();
587 }
588
589
590
591
592 ####################### Added for snort rules control #################################
593 if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) {
594         &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
595                 # Output display table for rule files
596                 print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>";
597
598                 print "<form method='post'>";
599
600                 # Local vars
601                 my $ruledisplaycnt = 1;
602                 my $rulecnt = keys %snortrules;
603                 $rulecnt++;
604                 $rulecnt = $rulecnt / 2;
605
606                 # Loop over each rule file
607                 foreach my $rulefile (sort keys(%snortrules)) {
608                         my $rulechecked = '';
609
610                         # Hide inkompatible Block rules
611                         if ($rulefile =~'-BLOCK.rules') {
612                                 next;
613                         }
614
615                         # Check if reached half-way through rule file rules to start new column
616                 if ($ruledisplaycnt > $rulecnt) {
617                                 print "</TABLE></TD><TD VALIGN='TOP'><TABLE>";
618                                 $ruledisplaycnt = 0;
619                         }
620
621                         # Check if rule file is enabled
622                         if ($snortrules{$rulefile}{"State"} eq 'Enabled') {
623                                 $rulechecked = 'CHECKED';
624                         }
625
626                         # Create rule file link, vars array, and display flag
627                         my $rulefilelink = "?RULEFILE=$rulefile";
628                         my $rulefiletoclose = '';
629                         my @queryvars = ();
630                         my $displayrulefilerules = 0;
631
632                         # Check for passed in query string
633                         if ($ENV{'QUERY_STRING'}) {
634                                 # Split out vars
635                                 @queryvars = split(/\&/, $ENV{'QUERY_STRING'});
636
637                                 # Loop over values
638                                 foreach $value (@queryvars) {
639                                         # Split out var pairs
640                                         ($var, $linkedrulefile) = split(/=/, $value);
641
642                                         # Check if var is 'RULEFILE'
643                                         if ($var eq 'RULEFILE') {
644                                                 # Check if rulefile equals linkedrulefile
645                                                 if ($rulefile eq $linkedrulefile) {
646                                                         # Set display flag
647                                                         $displayrulefilerules = 1;
648
649                                                         # Strip out rulefile from rulefilelink
650                                                         $rulefilelink =~ s/RULEFILE=$linkedrulefile//g;
651                                                 } else {
652                                                         # Add linked rule file to rulefilelink
653                                                         $rulefilelink .= "&RULEFILE=$linkedrulefile";
654                                                 }
655                                         }
656                                 }
657                         }
658
659                         # Strip out extra & & ? from rulefilelink
660                         $rulefilelink =~ s/^\?\&/\?/i;
661
662                         # Check for a single '?' and replace with page for proper link display
663                         if ($rulefilelink eq '?') {
664                                 $rulefilelink = "ids.cgi";
665                         }
666
667                         # Output rule file name and checkbox
668                         print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>";
669                         print "<TR><TD CLASS='base' VALIGN='TOP'>";
670
671                         # Check for empty 'Description'
672                         if ($snortrules{$rulefile}{'Description'} eq '') {
673                                 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>";
674                         } else {
675                                 # Output rule file 'Description'
676                                 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>";
677                         }
678
679                         # Check for display flag
680                         if ($displayrulefilerules) {
681                                 # Rule file definition rule display
682                                 print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>";
683
684                                 # Local vars
685                                 my $ruledefdisplaycnt = 0;
686                                 my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}};
687                                 $ruledefcnt++;
688                                 $ruledefcnt = $ruledefcnt / 2;
689
690                                 # Loop over rule file rules
691                                 foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) {
692                                         # Local vars
693                                         my $ruledefchecked = '';
694
695                                         # If have display 2 rules, start new row
696                                         if (($ruledefdisplaycnt % 2) == 0) {
697                                                 print "</TR><TR>";
698                                                 $ruledefdisplaycnt = 0;
699                                         }
700
701                                         # Check for rules state
702                                         if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') {
703                                                 $ruledefchecked = 'CHECKED';
704                                         }
705
706                                         # Create rule file rule's checkbox
707                                         $checkboxname = "SNORT_RULE_$rulefile";
708                                         $checkboxname .= "_$ruledef";
709                                         print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>";
710
711                                         # Increment count
712                                         $ruledefdisplaycnt++;
713                                 }
714
715                                 # If do not have second rule for row, create empty cell
716                                 if (($ruledefdisplaycnt % 2) != 0) {
717                                         print "<TD CLASS='base'></TD>";
718                                 }
719
720                                 # Close display table
721                                 print "</TR></TABLE></TD></TR>";
722                 }
723
724                         # Close display table
725                         print "</TABLE>";
726
727                         # Increment ruledisplaycnt
728                 $ruledisplaycnt++;
729                 }
730         print "</TD></TR></TABLE></TD></TR></TABLE>";
731         print <<END
732 <table width='100%'>
733 <tr>
734         <td width='33%'>&nbsp;</td>
735         <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
736         <td width='33%'>
737                 &nbsp; <!-- space for future online help link -->
738         </td>
739 </tr>
740 </table>
741 </form>
742 END
743 ;
744         &Header::closebox();
745 }
746
747 #######################  End added for snort rules control  #################################
748 &Header::closebigbox();
749 &Header::closepage();
750
751 sub downloadrulesfile {
752         my $peer;
753         my $peerport;
754
755         unlink("/var/tmp/log");
756
757         unless (-e "${General::swroot}/red/active") {
758                 $errormessage = $Lang::tr{'could not download latest updates'};
759                 return undef;
760         }
761
762         my %proxysettings=();
763         &General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
764
765         if ($_=$proxysettings{'UPSTREAM_PROXY'}) {
766                 ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
767         }
768
769         if ($peer) {
770                 system("wget -r --proxy=on --proxy-user=$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");
771         } else {
772                 system("wget -r --no-check-certificate -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url");
773         }
774 }