cgi-bin: HTML cleanup, add quotes for attribute values
[people/teissler/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) 2007-2013 IPFire Team <info@ipfire.org> #
6 # #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
11 # #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
16 # #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
19 # #
20 ###############################################################################
21
22 use strict;
23
24 # enable only the following on debugging purpose
25 #use warnings;
26 #use CGI::Carp 'fatalsToBrowser';
27 use File::Copy;
28
29 require '/var/ipfire/general-functions.pl';
30 require "${General::swroot}/lang.pl";
31 require "${General::swroot}/header.pl";
32
33 sub refreshpage{&Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" );print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>";&Header::closebox();}
34
35 $a = new CGI;
36
37 my %color = ();
38 my %mainsettings = ();
39 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
40 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
41
42 my %snortsettings=();
43 my %checked=();
44 my %selected=();
45 my %netsettings=();
46 our $errormessage = '';
47 our $results = '';
48 our $tempdir = '';
49 our $url='';
50 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
51
52 &Header::showhttpheaders();
53
54 $snortsettings{'ENABLE_SNORT'} = 'off';
55 $snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
56 $snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
57 $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
58 $snortsettings{'ENABLE_GUARDIAN'} = 'off';
59 $snortsettings{'GUARDIAN_INTERFACE'} = `cat /var/ipfire/red/iface`;
60 $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'} = '1';
61 $snortsettings{'GUARDIAN_LOGFILE'} = '/var/log/guardian/guardian.log';
62 $snortsettings{'GUARDIAN_ALERTFILE'} = '/var/log/snort/alert';
63 $snortsettings{'GUARDIAN_IGNOREFILE'} = '/var/ipfire/guardian/guardian.ignore';
64 $snortsettings{'GUARDIAN_TARGETFILE'} = '/var/ipfire/guardian/guardian.target';
65 $snortsettings{'GUARDIAN_TIMELIMIT'} = '86400';
66 $snortsettings{'ACTION'} = '';
67 $snortsettings{'ACTION2'} = '';
68 $snortsettings{'RULES'} = '';
69 $snortsettings{'OINKCODE'} = '';
70 $snortsettings{'INSTALLDATE'} = '';
71 $snortsettings{'FILE'} = '';
72 $snortsettings{'UPLOAD'} = '';
73
74 &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'});
75
76 ####################### Added for snort rules control #################################
77 my $snortrulepath; # change to "/etc/snort/rules" - maniac
78 my @snortconfig;
79 my $restartsnortrequired = 0;
80 my %snortrules;
81 my $rule = '';
82 my $table1colour = '';
83 my $table2colour = '';
84 my $var = '';
85 my $value = '';
86 my $tmp = '';
87 my $linkedrulefile = '';
88 my $border = '';
89 my $checkboxname = '';
90
91 if (-e "/etc/snort/snort.conf") {
92
93
94 # Open snort.conf file, read it in, close it, and re-open for writing
95 open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.';
96 @snortconfig = <FILE>;
97 close(FILE);
98 open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.';
99
100 my @rules = `cd /etc/snort/rules/ && ls *.rules 2>/dev/null`; # With this loop the rule might be display with correct rulepath set
101 foreach (@rules) {
102 chomp $_;
103 my $temp = join(";",@snortconfig);
104 if ( $temp =~ /$_/ ){next;}
105 else { push(@snortconfig,"#include \$RULE_PATH/".$_);}
106 }
107
108 # Loop over each line
109 foreach my $line (@snortconfig) {
110 # Trim the line
111 chomp $line;
112
113 # Check for a line with .rules
114 if ($line =~ /\.rules$/) {
115 # Parse out rule file name
116 $rule = $line;
117 $rule =~ s/\$RULE_PATH\///i;
118 $rule =~ s/ ?include ?//i;
119 $rule =~ s/\#//i;
120 my $snortrulepathrule = "$snortrulepath/$rule";
121
122 # Open rule file and read in contents
123 open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule.";
124 my @snortrulefile = <RULEFILE>;
125 close(RULEFILE);
126 open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule";
127
128 # Local vars
129 my $dashlinecnt = 0;
130 my $desclook = 1;
131 my $snortruledesc = '';
132 my %snortruledef = ();
133 my $rulecnt = 1;
134
135 # Loop over rule file contents
136 foreach my $ruleline (@snortrulefile) {
137 chomp $ruleline;
138
139 # If still looking for a description
140 if ($desclook) {
141 # If line does not start with a # anymore, then done looking for a description
142 if ($ruleline !~ /^\#/) {
143 $desclook = 0;
144 }
145
146 # If see more than one dashed line, (start to) create rule file description
147 if ($dashlinecnt > 1) {
148 # Check for a line starting with a #
149 if ($ruleline =~ /^\#/ and $ruleline !~ /^\#alert/) {
150 # Create tempruleline
151 my $tempruleline = $ruleline;
152
153 # Strip off # and clean up line
154 $tempruleline =~ s/\# ?//i;
155
156 # Check for part of a description
157 if ($snortruledesc eq '') {
158 $snortruledesc = $tempruleline;
159 } else {
160 $snortruledesc .= " $tempruleline";
161 }
162 } else {
163 # Must be done
164 $desclook = 0;
165 }
166 }
167
168 # If have a dashed line, increment count
169 if ($ruleline =~ /\# ?\-+/) {
170 $dashlinecnt++;
171 }
172 } else {
173 # Parse out rule file rule's message for display
174 if ($ruleline =~ /(msg\:\"[^\"]+\";)/) {
175 my $msg = '';
176 $msg = $1;
177 $msg =~ s/msg\:\"//i;
178 $msg =~ s/\";//i;
179 $snortruledef{$rulecnt}{'Description'} = $msg;
180
181 # Check for 'Save' and rule file displayed in query string
182 if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) {
183 # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
184 if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) {
185 $restartsnortrequired = 1;
186 }
187
188 # Strip out leading # from rule line
189 $ruleline =~ s/\# ?//i;
190
191 # Check if it does not exists (which means it is disabled), append a #
192 if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) {
193 $ruleline = "#"." $ruleline";
194 }
195 }
196
197 # Check if ruleline does not begin with a #, so it is enabled
198 if ($ruleline !~ /^\#/) {
199 $snortruledef{$rulecnt++}{'State'} = 'Enabled';
200 } else {
201 # Otherwise it is disabled
202 $snortruledef{$rulecnt++}{'State'} = 'Disabled';
203 }
204 }
205 }
206
207 # Print ruleline to RULEFILE
208 print RULEFILE "$ruleline\n";
209 }
210
211 # Close RULEFILE
212 close(RULEFILE);
213
214 # Check for 'Save'
215 if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) {
216 # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
217 if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) {
218 $restartsnortrequired = 1;
219 }
220
221 # Strip out leading # from rule line
222 $line =~ s/\# ?//i;
223
224 # Check if it does not exists (which means it is disabled), append a #
225 if (!exists $snortsettings{"SNORT_RULE_$rule"}) {
226 $line = "# $line";
227 }
228
229 }
230
231 # Check for rule state
232 if ($line =~ /^\#/) {
233 $snortrules{$rule}{"State"} = "Disabled";
234 } else {
235 $snortrules{$rule}{"State"} = "Enabled";
236 }
237
238 # Set rule description
239 $snortrules{$rule}{"Description"} = $snortruledesc;
240
241 # Loop over sorted rules
242 foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) {
243 $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'};
244 $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'};
245 }
246
247 $snortruledesc = '';
248 print FILE "$line\n";
249 } elsif ($line =~ /var RULE_PATH/) {
250 ($tmp, $tmp, $snortrulepath) = split(' ', $line);
251 print FILE "$line\n";
252 } else {
253 print FILE "$line\n";
254 }
255 }
256 close(FILE);
257
258 if ($restartsnortrequired) {
259 system('/usr/local/bin/snortctrl restart >/dev/null');
260 }
261 }
262
263 ####################### End added for snort rules control #################################
264
265 if ($snortsettings{'RULES'} eq 'subscripted') {
266 $url=" http://www.snort.org/sub-rules/snortrules-snapshot-2953.tar.gz/$snortsettings{'OINKCODE'}";
267 } elsif ($snortsettings{'RULES'} eq 'registered') {
268 $url=" http://www.snort.org/reg-rules/snortrules-snapshot-2950.tar.gz/$snortsettings{'OINKCODE'}";
269 } elsif ($snortsettings{'RULES'} eq 'community') {
270 $url=" http://s3.amazonaws.com/snort-org/www/rules/community/community-rules.tar.gz";
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='$Lang::tr{'reload'}' src='/images/view-refresh.png' />
476 </form>
477 <tr><td colspan='2' align='left'><pre>
478 END
479 my @output = `tail -20 /var/tmp/log`;
480 foreach (@output) {
481 print "$_";
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 $Lang::tr{'ids rules license'} <a href='https://www.snort.org/signup' target='_blank'>www.snort.org</a>$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 }