353643d736a14332e4f5a03e7ed4e9dc9fb50697
[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) 2007 Michael Tremer & Christian Schmidt #
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
23 use LWP::UserAgent;
24 use File::Copy;
25 use File::Temp qw/ tempfile tempdir /;
26 use strict;
27
28 # enable only the following on debugging purpose
29 #use warnings;
30 #use CGI::Carp 'fatalsToBrowser';
31
32 require '/var/ipfire/general-functions.pl';
33 require "${General::swroot}/lang.pl";
34 require "${General::swroot}/header.pl";
35
36 my %color = ();
37 my %mainsettings = ();
38 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
39 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
40
41 my %snortsettings=();
42 my %checked=();
43 my %selected=();
44 my %netsettings=();
45 our $errormessage = '';
46 our $results = '';
47 our $tempdir = '';
48 our $url='';
49 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
50
51 &Header::showhttpheaders();
52
53 $snortsettings{'ENABLE_SNORT'} = 'off';
54 $snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
55 $snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
56 $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
57 $snortsettings{'ENABLE_GUARDIAN'} = 'off';
58 $snortsettings{'GUARDIAN_INTERFACE'} = `cat /var/ipfire/red/iface`;
59 $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'} = '1';
60 $snortsettings{'GUARDIAN_LOGFILE'} = '/var/log/guardian/guardian.log';
61 $snortsettings{'GUARDIAN_ALERTFILE'} = '/var/log/snort/alert';
62 $snortsettings{'GUARDIAN_IGNOREFILE'} = '/var/ipfire/guardian/guardian.ignore';
63 $snortsettings{'GUARDIAN_TARGETFILE'} = '/var/ipfire/guardian/guardian.target';
64 $snortsettings{'GUARDIAN_TIMELIMIT'} = '86400';
65 $snortsettings{'ACTION'} = '';
66 $snortsettings{'ACTION2'} = '';
67 $snortsettings{'RULES'} = '';
68 $snortsettings{'OINKCODE'} = '';
69 $snortsettings{'INSTALLDATE'} = '';
70
71 &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'});
72
73 ####################### Added for snort rules control #################################
74 my $snortrulepath; # change to "/etc/snort/rules" - maniac
75 my @snortconfig;
76 my $restartsnortrequired = 0;
77 my %snortrules;
78 my $rule = '';
79 my $table1colour = '';
80 my $table2colour = '';
81 my $var = '';
82 my $value = '';
83 my $tmp = '';
84 my $linkedrulefile = '';
85 my $border = '';
86 my $checkboxname = '';
87
88 if (-e "/etc/snort/snort.conf") {
89
90
91 # Open snort.conf file, read it in, close it, and re-open for writing
92 open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.';
93 @snortconfig = <FILE>;
94 close(FILE);
95 open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.';
96
97 my @rules = `cd /etc/snort/rules/ && ls *.rules`; # With this loop the rule might be display with correct rulepath set
98 foreach (@rules) {
99 chomp $_;
100 my $temp = join(";",@snortconfig);
101 if ( $temp =~ /$_/ ){next;}
102 else { push(@snortconfig,"#include \$RULE_PATH/".$_);}
103 }
104
105 # Loop over each line
106 foreach my $line (@snortconfig) {
107 # Trim the line
108 chomp $line;
109
110 # Check for a line with .rules
111 if ($line =~ /\.rules$/) {
112 # Parse out rule file name
113 $rule = $line;
114 $rule =~ s/\$RULE_PATH\///i;
115 $rule =~ s/ ?include ?//i;
116 $rule =~ s/\#//i;
117 my $snortrulepathrule = "$snortrulepath/$rule";
118
119 # Open rule file and read in contents
120 open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule.";
121 my @snortrulefile = <RULEFILE>;
122 close(RULEFILE);
123 open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule";
124
125 # Local vars
126 my $dashlinecnt = 0;
127 my $desclook = 1;
128 my $snortruledesc = '';
129 my %snortruledef = ();
130 my $rulecnt = 1;
131
132 # Loop over rule file contents
133 foreach my $ruleline (@snortrulefile) {
134 chomp $ruleline;
135
136 # If still looking for a description
137 if ($desclook) {
138 # If line does not start with a # anymore, then done looking for a description
139 if ($ruleline !~ /^\#/) {
140 $desclook = 0;
141 }
142
143 # If see more than one dashed line, (start to) create rule file description
144 if ($dashlinecnt > 1) {
145 # Check for a line starting with a #
146 if ($ruleline =~ /^\#/) {
147 # Create tempruleline
148 my $tempruleline = $ruleline;
149
150 # Strip off # and clean up line
151 $tempruleline =~ s/\# ?//i;
152
153 # Check for part of a description
154 if ($snortruledesc eq '') {
155 $snortruledesc = $tempruleline;
156 } else {
157 $snortruledesc .= " $tempruleline";
158 }
159 } else {
160 # Must be done
161 $desclook = 0;
162 }
163 }
164
165 # If have a dashed line, increment count
166 if ($ruleline =~ /\# ?\-+/) {
167 $dashlinecnt++;
168 }
169 } else {
170 # Parse out rule file rule's message for display
171 if ($ruleline =~ /(msg\:\"[^\"]+\";)/) {
172 my $msg = '';
173 $msg = $1;
174 $msg =~ s/msg\:\"//i;
175 $msg =~ s/\";//i;
176 $snortruledef{$rulecnt}{'Description'} = $msg;
177
178 # Check for 'Save' and rule file displayed in query string
179 if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) {
180 # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
181 if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) {
182 $restartsnortrequired = 1;
183 }
184
185 # Strip out leading # from rule line
186 $ruleline =~ s/\# ?//i;
187
188 # Check if it does not exists (which means it is disabled), append a #
189 if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) {
190 $ruleline = "#"." $ruleline";
191 }
192 }
193
194 # Check if ruleline does not begin with a #, so it is enabled
195 if ($ruleline !~ /^\#/) {
196 $snortruledef{$rulecnt++}{'State'} = 'Enabled';
197 } else {
198 # Otherwise it is disabled
199 $snortruledef{$rulecnt++}{'State'} = 'Disabled';
200 }
201 }
202 }
203
204 # Print ruleline to RULEFILE
205 print RULEFILE "$ruleline\n";
206 }
207
208 # Close RULEFILE
209 close(RULEFILE);
210
211 # Check for 'Save'
212 if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) {
213 # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
214 if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) {
215 $restartsnortrequired = 1;
216 }
217
218 # Strip out leading # from rule line
219 $line =~ s/\# ?//i;
220
221 # Check if it does not exists (which means it is disabled), append a #
222 if (!exists $snortsettings{"SNORT_RULE_$rule"}) {
223 $line = "# $line";
224 }
225
226 }
227
228 # Check for rule state
229 if ($line =~ /^\#/) {
230 $snortrules{$rule}{"State"} = "Disabled";
231 } else {
232 $snortrules{$rule}{"State"} = "Enabled";
233 }
234
235 # Set rule description
236 $snortrules{$rule}{"Description"} = $snortruledesc;
237
238 # Loop over sorted rules
239 foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) {
240 $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'};
241 $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'};
242 }
243
244 $snortruledesc = '';
245 print FILE "$line\n";
246 } elsif ($line =~ /var RULE_PATH/) {
247 ($tmp, $tmp, $snortrulepath) = split(' ', $line);
248 print FILE "$line\n";
249 } else {
250 print FILE "$line\n";
251 }
252 }
253 close(FILE);
254
255 if ($restartsnortrequired) {
256 system('/usr/local/bin/snortctrl restart >/dev/null');
257 }
258 }
259
260 ####################### End added for snort rules control #################################
261
262 if ($snortsettings{'RULES'} eq 'subscripted') {
263 #$url="http://dl.snort.org/sub-rules/snortrules-snapshot-2.8_s.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
264 $url="http://dl.snort.org/sub-rules/snortrules-snapshot-2860_s.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
265 #$url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8_s.tar.gz";
266 } elsif ($snortsettings{'RULES'} eq 'registered') {
267 #$url="http://dl.snort.org/reg-rules/snortrules-snapshot-2.8.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
268 $url="http://dl.snort.org/reg-rules/snortrules-snapshot-2860.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
269 #$url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8.tar.gz";
270 } else {
271 $url="http://www.emergingthreats.net/rules/emerging.rules.tar.gz";
272 }
273
274 if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" )
275 {
276 $errormessage = $Lang::tr{'invalid input for oink code'} unless (
277 ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/) ||
278 ($snortsettings{'RULESTYPE'} eq 'nothing' ) );
279
280 &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
281 if ($snortsettings{'ENABLE_SNORT'} eq 'on')
282 {
283 system ('/usr/bin/touch', "${General::swroot}/snort/enable");
284 } else {
285 unlink "${General::swroot}/snort/enable";
286 }
287 if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on')
288 {
289 system ('/usr/bin/touch', "${General::swroot}/snort/enable_green");
290 } else {
291 unlink "${General::swroot}/snort/enable_green";
292 }
293 if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on')
294 {
295 system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue");
296 } else {
297 unlink "${General::swroot}/snort/enable_blue";
298 }
299 if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on')
300 {
301 system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange");
302 } else {
303 unlink "${General::swroot}/snort/enable_orange";
304 }
305 if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on')
306 {
307 system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect");
308 } else {
309 unlink "${General::swroot}/snort/enable_preprocessor_http_inspect";
310 }
311 if ($snortsettings{'ENABLE_GUARDIAN'} eq 'on')
312 {
313 system ('/usr/bin/touch', "${General::swroot}/guardian/enable");
314 } else {
315 unlink "${General::swroot}/guardian/enable";
316 }
317
318 system('/usr/local/bin/snortctrl restart >/dev/null');
319
320 } elsif ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "guardian" ){
321 foreach my $key (keys %snortsettings){
322 if ( $key !~ /^GUARDIAN/ ){
323 delete $snortsettings{$key};
324 }
325 }
326 &General::writehashpart("${General::swroot}/snort/settings", \%snortsettings);
327 open(IGNOREFILE, ">$snortsettings{'GUARDIAN_IGNOREFILE'}") or die "Unable to write guardian ignore file $snortsettings{'GUARDIAN_IGNOREFILE'}";
328 print IGNOREFILE $snortsettings{'GUARDIAN_IGNOREFILE_CONTENT'};
329 close(IGNOREFILE);
330 open(GUARDIAN, ">/var/ipfire/guardian/guardian.conf") or die "Unable to write guardian conf /var/ipfire/guardian/guardian.conf";
331 print GUARDIAN <<END
332 Interface $snortsettings{'GUARDIAN_INTERFACE'}
333 HostGatewayByte $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'}
334 LogFile $snortsettings{'GUARDIAN_LOGFILE'}
335 AlertFile $snortsettings{'GUARDIAN_ALERTFILE'}
336 IgnoreFile $snortsettings{'GUARDIAN_IGNOREFILE'}
337 TargetFile $snortsettings{'GUARDIAN_TARGETFILE'}
338 TimeLimit $snortsettings{'GUARDIAN_TIMELIMIT'}
339 END
340 ;
341 close(GUARDIAN);
342 system('/usr/local/bin/snortctrl restart >/dev/null');
343 }
344 # INSTALLMD5 is not in the form, so not retrieved by getcgihash
345 &General::readhash("${General::swroot}/snort/settings", \%snortsettings);
346
347 if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) {
348
349 my @df = `/bin/df -B M /var`;
350 foreach my $line (@df) {
351 next if $line =~ m/^Filesystem/;
352
353 if ($line =~ m/dev/ ) {
354 $line =~ m/^.* (\d+)M.*$/;
355 my @temp = split(/ +/,$line);
356 if ($1<300) {
357 $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB";
358 } else {
359 my $filename = &downloadrulesfile();
360 if (defined $filename) {
361 $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>";
362 $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules 2>&1`;
363 $results .= "</pre>";
364 }
365 unlink ($filename);
366 }
367
368 }
369 }
370
371
372 }
373
374 $checked{'ENABLE_SNORT'}{'off'} = '';
375 $checked{'ENABLE_SNORT'}{'on'} = '';
376 $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'";
377 $checked{'ENABLE_SNORT_GREEN'}{'off'} = '';
378 $checked{'ENABLE_SNORT_GREEN'}{'on'} = '';
379 $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'";
380 $checked{'ENABLE_SNORT_BLUE'}{'off'} = '';
381 $checked{'ENABLE_SNORT_BLUE'}{'on'} = '';
382 $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'";
383 $checked{'ENABLE_SNORT_ORANGE'}{'off'} = '';
384 $checked{'ENABLE_SNORT_ORANGE'}{'on'} = '';
385 $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'";
386 $checked{'ENABLE_GUARDIAN'}{'off'} = '';
387 $checked{'ENABLE_GUARDIAN'}{'on'} = '';
388 $checked{'ENABLE_GUARDIAN'}{$snortsettings{'ENABLE_GUARDIAN'}} = "checked='checked'";
389 $selected{'RULES'}{'nothing'} = '';
390 $selected{'RULES'}{'community'} = '';
391 $selected{'RULES'}{'registered'} = '';
392 $selected{'RULES'}{'subscripted'} = '';
393 $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
394
395 &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
396
397 ####################### Added for snort rules control #################################
398 print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>";
399 print <<END
400 <STYLE TYPE="text/css">
401 <!--
402 .section {
403 border: groove;
404 }
405 .row1color {
406 border: ridge;
407 background-color: $color{'color22'};
408 }
409 .row2color {
410 border: ridge;
411 background-color: $color{'color20'};
412 }
413 .rowselected {
414 border: double #FF0000;
415 background-color: #DCDCDC;
416 }
417 -->
418 </STYLE>
419 END
420 ;
421 ####################### End added for snort rules control #################################
422
423 &Header::openbigbox('100%', 'left', '', $errormessage);
424
425 ###############
426 # DEBUG DEBUG
427 # &Header::openbox('100%', 'left', 'DEBUG');
428 # my $debugCount = 0;
429 # foreach my $line (sort keys %snortsettings) {
430 # print "$line = $snortsettings{$line}<br />\n";
431 # $debugCount++;
432 # }
433 # print "&nbsp;Count: $debugCount\n";
434 # &Header::closebox();
435 # DEBUG DEBUG
436 ###############
437
438 if ($errormessage) {
439 &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
440 print "<class name='base'>$errormessage\n";
441 print "&nbsp;</class>\n";
442 &Header::closebox();
443 }
444
445 &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'});
446 print <<END
447 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
448 <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort
449 END
450 ;
451 if ($netsettings{'BLUE_DEV'} ne '') {
452 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort";
453 }
454 if ($netsettings{'ORANGE_DEV'} ne '') {
455 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort";
456 }
457 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort";
458 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
459 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_GUARDIAN' $checked{'ENABLE_GUARDIAN'}{'on'} /> Guardian";
460 }
461
462 print <<END
463 </td></tr>
464 <tr>
465 <td><hr /></td>
466 </tr>
467 <tr>
468 <td><b>$Lang::tr{'ids rules update'}</b></td>
469 </tr>
470 <tr>
471 <td><select name='RULES'>
472 <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
473 <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option>
474 <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option>
475 <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option>
476 </select>
477 </td>
478 </tr>
479 <tr>
480 <td><br />
481 $Lang::tr{'ids rules license'} <a href='https://www.snort.org/signup' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br />
482 $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'}
483 </td>
484 </tr>
485 <tr>
486 <td nowrap='nowrap'>Oinkcode:&nbsp;<input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td>
487 </tr>
488 <tr>
489 <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' />
490 END
491 ;
492
493 if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} ) {
494 $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`;
495 &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
496 }
497 print "&nbsp;$Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
498
499 print <<END
500 </tr>
501 </table>
502 <hr />
503 <table width='100%'>
504 <tr>
505 <td align='center'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
506 </tr>
507 </table>
508 </form>
509 END
510 ;
511
512 if ($results ne '') {
513 print "$results";
514 }
515
516 &Header::closebox();
517
518 ####################### Added for guardian control ####################################
519 if ( -e "/var/ipfire/guardian/guardian.conf" ) {
520 &Header::openbox('100%', 'LEFT', $Lang::tr{'guardian configuration'});
521 print <<END
522 <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
523 <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>
524 <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>
525 <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>
526 <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>
527 <tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='GUARDIAN_IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'>
528 END
529 ;
530 print `cat /var/ipfire/guardian/guardian.ignore`;
531 print <<END
532 </textarea></td></tr>
533 <tr><td align='center' colspan='2'><input type='hidden' name='ACTION2' value='guardian' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td></tr>
534 </table>
535 </form>
536 END
537 ;
538 &Header::closebox();
539 }
540
541
542
543
544 ####################### Added for snort rules control #################################
545 if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) {
546 &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
547 # Output display table for rule files
548 print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>";
549
550 print "<form method='post'>";
551
552 # Local vars
553 my $ruledisplaycnt = 1;
554 my $rulecnt = keys %snortrules;
555 $rulecnt++;
556 $rulecnt = $rulecnt / 2;
557
558 # Loop over each rule file
559 foreach my $rulefile (sort keys(%snortrules)) {
560 my $rulechecked = '';
561
562 # Hide inkompatible Block rules
563 if ($rulefile =~'-BLOCK.rules') {
564 next;
565 }
566
567 # Check if reached half-way through rule file rules to start new column
568 if ($ruledisplaycnt > $rulecnt) {
569 print "</TABLE></TD><TD VALIGN='TOP'><TABLE>";
570 $ruledisplaycnt = 0;
571 }
572
573 # Check if rule file is enabled
574 if ($snortrules{$rulefile}{"State"} eq 'Enabled') {
575 $rulechecked = 'CHECKED';
576 }
577
578 # Create rule file link, vars array, and display flag
579 my $rulefilelink = "?RULEFILE=$rulefile";
580 my $rulefiletoclose = '';
581 my @queryvars = ();
582 my $displayrulefilerules = 0;
583
584 # Check for passed in query string
585 if ($ENV{'QUERY_STRING'}) {
586 # Split out vars
587 @queryvars = split(/\&/, $ENV{'QUERY_STRING'});
588
589 # Loop over values
590 foreach $value (@queryvars) {
591 # Split out var pairs
592 ($var, $linkedrulefile) = split(/=/, $value);
593
594 # Check if var is 'RULEFILE'
595 if ($var eq 'RULEFILE') {
596 # Check if rulefile equals linkedrulefile
597 if ($rulefile eq $linkedrulefile) {
598 # Set display flag
599 $displayrulefilerules = 1;
600
601 # Strip out rulefile from rulefilelink
602 $rulefilelink =~ s/RULEFILE=$linkedrulefile//g;
603 } else {
604 # Add linked rule file to rulefilelink
605 $rulefilelink .= "&RULEFILE=$linkedrulefile";
606 }
607 }
608 }
609 }
610
611 # Strip out extra & & ? from rulefilelink
612 $rulefilelink =~ s/^\?\&/\?/i;
613
614 # Check for a single '?' and replace with page for proper link display
615 if ($rulefilelink eq '?') {
616 $rulefilelink = "ids.cgi";
617 }
618
619 # Output rule file name and checkbox
620 print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>";
621 print "<TR><TD CLASS='base' VALIGN='TOP'>";
622
623 # Check for empty 'Description'
624 if ($snortrules{$rulefile}{'Description'} eq '') {
625 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>";
626 } else {
627 # Output rule file 'Description'
628 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>";
629 }
630
631 # Check for display flag
632 if ($displayrulefilerules) {
633 # Rule file definition rule display
634 print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>";
635
636 # Local vars
637 my $ruledefdisplaycnt = 0;
638 my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}};
639 $ruledefcnt++;
640 $ruledefcnt = $ruledefcnt / 2;
641
642 # Loop over rule file rules
643 foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) {
644 # Local vars
645 my $ruledefchecked = '';
646
647 # If have display 2 rules, start new row
648 if (($ruledefdisplaycnt % 2) == 0) {
649 print "</TR><TR>";
650 $ruledefdisplaycnt = 0;
651 }
652
653 # Check for rules state
654 if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') {
655 $ruledefchecked = 'CHECKED';
656 }
657
658 # Create rule file rule's checkbox
659 $checkboxname = "SNORT_RULE_$rulefile";
660 $checkboxname .= "_$ruledef";
661 print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>";
662
663 # Increment count
664 $ruledefdisplaycnt++;
665 }
666
667 # If do not have second rule for row, create empty cell
668 if (($ruledefdisplaycnt % 2) != 0) {
669 print "<TD CLASS='base'></TD>";
670 }
671
672 # Close display table
673 print "</TR></TABLE></TD></TR>";
674 }
675
676 # Close display table
677 print "</TABLE>";
678
679 # Increment ruledisplaycnt
680 $ruledisplaycnt++;
681 }
682 print "</TD></TR></TABLE></TD></TR></TABLE>";
683 print <<END
684 <table width='100%'>
685 <tr>
686 <td width='33%'>&nbsp;</td>
687 <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
688 <td width='33%'>
689 &nbsp; <!-- space for future online help link -->
690 </td>
691 </tr>
692 </table>
693 </form>
694 END
695 ;
696 &Header::closebox();
697 }
698
699 ####################### End added for snort rules control #################################
700 &Header::closebigbox();
701 &Header::closepage();
702
703 sub downloadrulesfile {
704 my $return = &geturl($url);
705 return undef unless $return;
706
707 if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning
708 $errormessage = $Lang::tr{'invalid loaded file'};
709 return undef;
710 }
711
712 my $filename='';
713 my $fh='';
714 ($fh, $filename) = tempfile('/var/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension
715 binmode ($fh);
716 syswrite ($fh, $return->content);
717 close($fh);
718 return $filename;
719 }
720
721 sub geturl ($) {
722 my $url=$_[0];
723
724 unless (-e "${General::swroot}/red/active") {
725 $errormessage = $Lang::tr{'could not download latest updates'};
726 return undef;
727 }
728
729 my $downloader = LWP::UserAgent->new;
730 $downloader->timeout(5);
731
732 my %proxysettings=();
733 &General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
734
735 if ($_=$proxysettings{'UPSTREAM_PROXY'}) {
736 my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
737 if ($proxysettings{'UPSTREAM_USER'}) {
738 $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/");
739 } else {
740 $downloader->proxy("http","http://$peer:$peerport/");
741 }
742 }
743
744 my $return = $downloader->get($url,'Cache-Control','no-cache');
745
746 if ($return->code == 403) {
747 $errormessage = $Lang::tr{'access refused with this oinkcode'};
748 return undef;
749 } elsif (!$return->is_success()) {
750 $errormessage = $Lang::tr{'could not download latest updates'};
751 return undef;
752 }
753
754 return $return;
755
756 }