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1 | #!/usr/bin/perl | |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2007-2015 IPFire Team <info@ipfire.org> # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | use strict; | |
23 | ||
24 | # enable only the following on debugging purpose | |
25 | #use warnings; | |
26 | #use CGI::Carp 'fatalsToBrowser'; | |
27 | 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{'ACTION'} = ''; | |
59 | $snortsettings{'RULES'} = ''; | |
60 | $snortsettings{'OINKCODE'} = ''; | |
61 | $snortsettings{'INSTALLDATE'} = ''; | |
62 | $snortsettings{'FILE'} = ''; | |
63 | $snortsettings{'UPLOAD'} = ''; | |
64 | ||
65 | &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'}); | |
66 | ||
67 | ####################### Added for snort rules control ################################# | |
68 | my $snortrulepath; # change to "/etc/snort/rules" - maniac | |
69 | my @snortconfig; | |
70 | my $restartsnortrequired = 0; | |
71 | my %snortrules; | |
72 | my $rule = ''; | |
73 | my $table1colour = ''; | |
74 | my $table2colour = ''; | |
75 | my $var = ''; | |
76 | my $value = ''; | |
77 | my $tmp = ''; | |
78 | my $linkedrulefile = ''; | |
79 | my $border = ''; | |
80 | my $checkboxname = ''; | |
81 | ||
82 | if (-e "/etc/snort/snort.conf") { | |
83 | ||
84 | ||
85 | # Open snort.conf file, read it in, close it, and re-open for writing | |
86 | open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.'; | |
87 | @snortconfig = <FILE>; | |
88 | close(FILE); | |
89 | open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.'; | |
90 | ||
91 | my @rules = `cd /etc/snort/rules/ && ls *.rules 2>/dev/null`; # With this loop the rule might be display with correct rulepath set | |
92 | foreach (@rules) { | |
93 | chomp $_; | |
94 | my $temp = join(";",@snortconfig); | |
95 | if ( $temp =~ /$_/ ){next;} | |
96 | else { push(@snortconfig,"#include \$RULE_PATH/".$_);} | |
97 | } | |
98 | ||
99 | # Loop over each line | |
100 | foreach my $line (@snortconfig) { | |
101 | # Trim the line | |
102 | chomp $line; | |
103 | ||
104 | # Check for a line with .rules | |
105 | if ($line =~ /\.rules$/) { | |
106 | # Parse out rule file name | |
107 | $rule = $line; | |
108 | $rule =~ s/\$RULE_PATH\///i; | |
109 | $rule =~ s/ ?include ?//i; | |
110 | $rule =~ s/\#//i; | |
111 | my $snortrulepathrule = "$snortrulepath/$rule"; | |
112 | ||
113 | # Open rule file and read in contents | |
114 | open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule."; | |
115 | my @snortrulefile = <RULEFILE>; | |
116 | close(RULEFILE); | |
117 | open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule"; | |
118 | ||
119 | # Local vars | |
120 | my $dashlinecnt = 0; | |
121 | my $desclook = 1; | |
122 | my $snortruledesc = ''; | |
123 | my %snortruledef = (); | |
124 | my $rulecnt = 1; | |
125 | ||
126 | # Loop over rule file contents | |
127 | foreach my $ruleline (@snortrulefile) { | |
128 | chomp $ruleline; | |
129 | ||
130 | # If still looking for a description | |
131 | if ($desclook) { | |
132 | # If line does not start with a # anymore, then done looking for a description | |
133 | if ($ruleline !~ /^\#/) { | |
134 | $desclook = 0; | |
135 | } | |
136 | ||
137 | # If see more than one dashed line, (start to) create rule file description | |
138 | if ($dashlinecnt > 1) { | |
139 | # Check for a line starting with a # | |
140 | if ($ruleline =~ /^\#/ and $ruleline !~ /^\#alert/) { | |
141 | # Create tempruleline | |
142 | my $tempruleline = $ruleline; | |
143 | ||
144 | # Strip off # and clean up line | |
145 | $tempruleline =~ s/\# ?//i; | |
146 | ||
147 | # Check for part of a description | |
148 | if ($snortruledesc eq '') { | |
149 | $snortruledesc = $tempruleline; | |
150 | } else { | |
151 | $snortruledesc .= " $tempruleline"; | |
152 | } | |
153 | } else { | |
154 | # Must be done | |
155 | $desclook = 0; | |
156 | } | |
157 | } | |
158 | ||
159 | # If have a dashed line, increment count | |
160 | if ($ruleline =~ /\# ?\-+/) { | |
161 | $dashlinecnt++; | |
162 | } | |
163 | } else { | |
164 | # Parse out rule file rule's message for display | |
165 | if ($ruleline =~ /(msg\:\"[^\"]+\";)/) { | |
166 | my $msg = ''; | |
167 | $msg = $1; | |
168 | $msg =~ s/msg\:\"//i; | |
169 | $msg =~ s/\";//i; | |
170 | $snortruledef{$rulecnt}{'Description'} = $msg; | |
171 | ||
172 | # Check for 'Save' and rule file displayed in query string | |
173 | if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) { | |
174 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
175 | if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) { | |
176 | $restartsnortrequired = 1; | |
177 | } | |
178 | ||
179 | # Strip out leading # from rule line | |
180 | $ruleline =~ s/\# ?//i; | |
181 | ||
182 | # Check if it does not exists (which means it is disabled), append a # | |
183 | if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) { | |
184 | $ruleline = "#"." $ruleline"; | |
185 | } | |
186 | } | |
187 | ||
188 | # Check if ruleline does not begin with a #, so it is enabled | |
189 | if ($ruleline !~ /^\#/) { | |
190 | $snortruledef{$rulecnt++}{'State'} = 'Enabled'; | |
191 | } else { | |
192 | # Otherwise it is disabled | |
193 | $snortruledef{$rulecnt++}{'State'} = 'Disabled'; | |
194 | } | |
195 | } | |
196 | } | |
197 | ||
198 | # Print ruleline to RULEFILE | |
199 | print RULEFILE "$ruleline\n"; | |
200 | } | |
201 | ||
202 | # Close RULEFILE | |
203 | close(RULEFILE); | |
204 | ||
205 | # Check for 'Save' | |
206 | if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) { | |
207 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
208 | if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) { | |
209 | $restartsnortrequired = 1; | |
210 | } | |
211 | ||
212 | # Strip out leading # from rule line | |
213 | $line =~ s/\# ?//i; | |
214 | ||
215 | # Check if it does not exists (which means it is disabled), append a # | |
216 | if (!exists $snortsettings{"SNORT_RULE_$rule"}) { | |
217 | $line = "# $line"; | |
218 | } | |
219 | ||
220 | } | |
221 | ||
222 | # Check for rule state | |
223 | if ($line =~ /^\#/) { | |
224 | $snortrules{$rule}{"State"} = "Disabled"; | |
225 | } else { | |
226 | $snortrules{$rule}{"State"} = "Enabled"; | |
227 | } | |
228 | ||
229 | # Set rule description | |
230 | $snortrules{$rule}{"Description"} = $snortruledesc; | |
231 | ||
232 | # Loop over sorted rules | |
233 | foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) { | |
234 | $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'}; | |
235 | $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'}; | |
236 | } | |
237 | ||
238 | $snortruledesc = ''; | |
239 | print FILE "$line\n"; | |
240 | } elsif ($line =~ /var RULE_PATH/) { | |
241 | ($tmp, $tmp, $snortrulepath) = split(' ', $line); | |
242 | print FILE "$line\n"; | |
243 | } else { | |
244 | print FILE "$line\n"; | |
245 | } | |
246 | } | |
247 | close(FILE); | |
248 | ||
249 | if ($restartsnortrequired) { | |
250 | system('/usr/local/bin/snortctrl restart >/dev/null'); | |
251 | } | |
252 | } | |
253 | ||
254 | ####################### End added for snort rules control ################################# | |
255 | ||
256 | if ($snortsettings{'OINKCODE'} ne "") { | |
257 | $errormessage = $Lang::tr{'invalid input for oink code'} unless ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/); | |
258 | } | |
259 | ||
260 | if (!$errormessage) { | |
261 | if ($snortsettings{'RULES'} eq 'subscripted') { | |
262 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; | |
263 | } elsif ($snortsettings{'RULES'} eq 'registered') { | |
264 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; | |
265 | } elsif ($snortsettings{'RULES'} eq 'community') { | |
266 | $url=" https://www.snort.org/rules/community"; | |
267 | } else { | |
268 | $url="http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz"; | |
269 | } | |
270 | ||
271 | if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" ) { | |
272 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
273 | if ($snortsettings{'ENABLE_SNORT'} eq 'on') | |
274 | { | |
275 | system ('/usr/bin/touch', "${General::swroot}/snort/enable"); | |
276 | } else { | |
277 | unlink "${General::swroot}/snort/enable"; | |
278 | } | |
279 | if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on') | |
280 | { | |
281 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_green"); | |
282 | } else { | |
283 | unlink "${General::swroot}/snort/enable_green"; | |
284 | } | |
285 | if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on') | |
286 | { | |
287 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue"); | |
288 | } else { | |
289 | unlink "${General::swroot}/snort/enable_blue"; | |
290 | } | |
291 | if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on') | |
292 | { | |
293 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange"); | |
294 | } else { | |
295 | unlink "${General::swroot}/snort/enable_orange"; | |
296 | } | |
297 | if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on') | |
298 | { | |
299 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect"); | |
300 | } else { | |
301 | unlink "${General::swroot}/snort/enable_preprocessor_http_inspect"; | |
302 | } | |
303 | ||
304 | system('/usr/local/bin/snortctrl restart >/dev/null'); | |
305 | } | |
306 | ||
307 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash | |
308 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); | |
309 | ||
310 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} || $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'}) { | |
311 | my @df = `/bin/df -B M /var`; | |
312 | foreach my $line (@df) { | |
313 | next if $line =~ m/^Filesystem/; | |
314 | my $return; | |
315 | ||
316 | if ($line =~ m/dev/ ) { | |
317 | $line =~ m/^.* (\d+)M.*$/; | |
318 | my @temp = split(/ +/,$line); | |
319 | if ($1<300) { | |
320 | $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB"; | |
321 | } else { | |
322 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
323 | &downloadrulesfile(); | |
324 | sleep(3); | |
325 | $return = `cat /var/tmp/log 2>/dev/null`; | |
326 | ||
327 | } elsif ( $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'}) { | |
328 | my $upload = $a->param("UPLOAD"); | |
329 | open UPLOADFILE, ">/var/tmp/snortrules.tar.gz"; | |
330 | binmode $upload; | |
331 | while ( <$upload> ) { | |
332 | print UPLOADFILE; | |
333 | } | |
334 | close UPLOADFILE; | |
335 | } | |
336 | ||
337 | if ($return =~ "ERROR") { | |
338 | $errormessage = "<br /><pre>".$return."</pre>"; | |
339 | } else { | |
340 | 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 &"); | |
341 | sleep(2); | |
342 | } | |
343 | } | |
344 | } | |
345 | } | |
346 | } | |
347 | } | |
348 | ||
349 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
350 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
351 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
352 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
353 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
354 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
355 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
356 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
357 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
358 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
359 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
360 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
361 | $selected{'RULES'}{'nothing'} = ''; | |
362 | $selected{'RULES'}{'community'} = ''; | |
363 | $selected{'RULES'}{'emerging'} = ''; | |
364 | $selected{'RULES'}{'registered'} = ''; | |
365 | $selected{'RULES'}{'subscripted'} = ''; | |
366 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
367 | ||
368 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
369 | ||
370 | ####################### Added for snort rules control ################################# | |
371 | print "<script type='text/javascript' src='/include/snortupdateutility.js'></script>"; | |
372 | print <<END | |
373 | <style type="text/css"> | |
374 | <!-- | |
375 | .section { | |
376 | border: groove; | |
377 | } | |
378 | .row1color { | |
379 | border: ridge; | |
380 | background-color: $color{'color22'}; | |
381 | } | |
382 | .row2color { | |
383 | border: ridge; | |
384 | background-color: $color{'color20'}; | |
385 | } | |
386 | .rowselected { | |
387 | border: double #FF0000; | |
388 | background-color: #DCDCDC; | |
389 | } | |
390 | --> | |
391 | </style> | |
392 | END | |
393 | ; | |
394 | ####################### End added for snort rules control ################################# | |
395 | ||
396 | &Header::openbigbox('100%', 'left', '', $errormessage); | |
397 | ||
398 | ############### | |
399 | # DEBUG DEBUG | |
400 | # &Header::openbox('100%', 'left', 'DEBUG'); | |
401 | # my $debugCount = 0; | |
402 | # foreach my $line (sort keys %snortsettings) { | |
403 | # print "$line = $snortsettings{$line}<br />\n"; | |
404 | # $debugCount++; | |
405 | # } | |
406 | # print " Count: $debugCount\n"; | |
407 | # &Header::closebox(); | |
408 | # DEBUG DEBUG | |
409 | ############### | |
410 | ||
411 | if ($errormessage) { | |
412 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
413 | print "<class name='base'>$errormessage\n"; | |
414 | print " </class>\n"; | |
415 | &Header::closebox(); | |
416 | } | |
417 | ||
418 | my $return = `pidof oinkmaster.pl -x`; | |
419 | chomp($return); | |
420 | if ($return) { | |
421 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" ); | |
422 | print <<END; | |
423 | <table> | |
424 | <tr><td> | |
425 | <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /> | |
426 | <td> | |
427 | $Lang::tr{'snort working'} | |
428 | <tr><td colspan='2' align='center'> | |
429 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
430 | <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' /> | |
431 | </form> | |
432 | <tr><td colspan='2' align='left'><pre> | |
433 | END | |
434 | my @output = `tail -20 /var/tmp/log`; | |
435 | foreach (@output) { | |
436 | print "$_"; | |
437 | } | |
438 | print <<END; | |
439 | </pre> | |
440 | </table> | |
441 | END | |
442 | &Header::closebox(); | |
443 | &Header::closebigbox(); | |
444 | &Header::closepage(); | |
445 | exit; | |
446 | refreshpage(); | |
447 | } | |
448 | ||
449 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'}); | |
450 | print <<END | |
451 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
452 | <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort | |
453 | END | |
454 | ; | |
455 | if ($netsettings{'BLUE_DEV'} ne '') { | |
456 | print " <input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort"; | |
457 | } | |
458 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
459 | print " <input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort"; | |
460 | } | |
461 | print " <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort"; | |
462 | ||
463 | print <<END | |
464 | </td></tr> | |
465 | <tr> | |
466 | <td><br><br></td> | |
467 | </tr> | |
468 | <tr> | |
469 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
470 | </tr> | |
471 | <tr> | |
472 | <td><select name='RULES'> | |
473 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
474 | <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option> | |
475 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> | |
476 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
477 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
478 | </select> | |
479 | </td> | |
480 | </tr> | |
481 | <tr> | |
482 | <td><br /> | |
483 | $Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br /> | |
484 | $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'} | |
485 | </td> | |
486 | </tr> | |
487 | <tr> | |
488 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> | |
489 | </tr> | |
490 | <tr> | |
491 | <td width='30%' align='left'><br><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> | |
492 | END | |
493 | ; | |
494 | if ( -e "/var/tmp/snortrules.tar.gz"){ | |
495 | my @Info = stat("/var/tmp/snortrules.tar.gz"); | |
496 | $snortsettings{'INSTALLDATE'} = localtime($Info[9]); | |
497 | } | |
498 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; | |
499 | ||
500 | print <<END | |
501 | </tr> | |
502 | </table> | |
503 | <br><br> | |
504 | <table width='100%'> | |
505 | <tr> | |
506 | <td align='right'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> | |
507 | </tr> | |
508 | </table> | |
509 | </form> | |
510 | END | |
511 | ; | |
512 | ||
513 | if ($results ne '') { | |
514 | print "$results"; | |
515 | } | |
516 | ||
517 | &Header::closebox(); | |
518 | ||
519 | ####################### Added for snort rules control ################################# | |
520 | if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) { | |
521 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); | |
522 | # Output display table for rule files | |
523 | print "<table width='100%'><tr><td valign='top'><table>"; | |
524 | ||
525 | print "<form method='post'>"; | |
526 | ||
527 | # Local vars | |
528 | my $ruledisplaycnt = 1; | |
529 | my $rulecnt = keys %snortrules; | |
530 | $rulecnt++; | |
531 | $rulecnt = $rulecnt / 2; | |
532 | ||
533 | # Loop over each rule file | |
534 | foreach my $rulefile (sort keys(%snortrules)) { | |
535 | my $rulechecked = ''; | |
536 | ||
537 | # Hide inkompatible Block rules | |
538 | if ($rulefile =~'-BLOCK.rules') { | |
539 | next; | |
540 | } | |
541 | ||
542 | # Check if reached half-way through rule file rules to start new column | |
543 | if ($ruledisplaycnt > $rulecnt) { | |
544 | print "</table></td><td valign='top'><table>"; | |
545 | $ruledisplaycnt = 0; | |
546 | } | |
547 | ||
548 | # Check if rule file is enabled | |
549 | if ($snortrules{$rulefile}{"State"} eq 'Enabled') { | |
550 | $rulechecked = 'CHECKED'; | |
551 | } | |
552 | ||
553 | # Create rule file link, vars array, and display flag | |
554 | my $rulefilelink = "?RULEFILE=$rulefile"; | |
555 | my $rulefiletoclose = ''; | |
556 | my @queryvars = (); | |
557 | my $displayrulefilerules = 0; | |
558 | ||
559 | # Check for passed in query string | |
560 | if ($ENV{'QUERY_STRING'}) { | |
561 | # Split out vars | |
562 | @queryvars = split(/\&/, $ENV{'QUERY_STRING'}); | |
563 | ||
564 | # Loop over values | |
565 | foreach $value (@queryvars) { | |
566 | # Split out var pairs | |
567 | ($var, $linkedrulefile) = split(/=/, $value); | |
568 | ||
569 | # Check if var is 'RULEFILE' | |
570 | if ($var eq 'RULEFILE') { | |
571 | # Check if rulefile equals linkedrulefile | |
572 | if ($rulefile eq $linkedrulefile) { | |
573 | # Set display flag | |
574 | $displayrulefilerules = 1; | |
575 | ||
576 | # Strip out rulefile from rulefilelink | |
577 | $rulefilelink =~ s/RULEFILE=$linkedrulefile//g; | |
578 | } else { | |
579 | # Add linked rule file to rulefilelink | |
580 | $rulefilelink .= "&RULEFILE=$linkedrulefile"; | |
581 | } | |
582 | } | |
583 | } | |
584 | } | |
585 | ||
586 | # Strip out extra & & ? from rulefilelink | |
587 | $rulefilelink =~ s/^\?\&/\?/i; | |
588 | ||
589 | # Check for a single '?' and replace with page for proper link display | |
590 | if ($rulefilelink eq '?') { | |
591 | $rulefilelink = "ids.cgi"; | |
592 | } | |
593 | ||
594 | # Output rule file name and checkbox | |
595 | print "<tr><td class='base' valign='top'><input type='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <a href='$rulefilelink'>$rulefile</a></td></tr>"; | |
596 | print "<tr><td class='base' valign='top'>"; | |
597 | ||
598 | # Check for empty 'Description' | |
599 | if ($snortrules{$rulefile}{'Description'} eq '') { | |
600 | print "<table width='100%'><tr><td class='base'>No description available</td></tr>"; | |
601 | } else { | |
602 | # Output rule file 'Description' | |
603 | print "<table width='100%'><tr><td class='base'>$snortrules{$rulefile}{'Description'}</td></tr>"; | |
604 | } | |
605 | ||
606 | # Check for display flag | |
607 | if ($displayrulefilerules) { | |
608 | # Rule file definition rule display | |
609 | print "<tr><td class='base' valign='top'><table border='0'><tr>"; | |
610 | ||
611 | # Local vars | |
612 | my $ruledefdisplaycnt = 0; | |
613 | my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}}; | |
614 | $ruledefcnt++; | |
615 | $ruledefcnt = $ruledefcnt / 2; | |
616 | ||
617 | # Loop over rule file rules | |
618 | foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) { | |
619 | # Local vars | |
620 | my $ruledefchecked = ''; | |
621 | ||
622 | # If have display 2 rules, start new row | |
623 | if (($ruledefdisplaycnt % 2) == 0) { | |
624 | print "</tr><tr>"; | |
625 | $ruledefdisplaycnt = 0; | |
626 | } | |
627 | ||
628 | # Check for rules state | |
629 | if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') { | |
630 | $ruledefchecked = 'CHECKED'; | |
631 | } | |
632 | ||
633 | # Create rule file rule's checkbox | |
634 | $checkboxname = "SNORT_RULE_$rulefile"; | |
635 | $checkboxname .= "_$ruledef"; | |
636 | print "<td class='base'><input type='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</td>"; | |
637 | ||
638 | # Increment count | |
639 | $ruledefdisplaycnt++; | |
640 | } | |
641 | ||
642 | # If do not have second rule for row, create empty cell | |
643 | if (($ruledefdisplaycnt % 2) != 0) { | |
644 | print "<td class='base'></td>"; | |
645 | } | |
646 | ||
647 | # Close display table | |
648 | print "</tr></table></td></tr>"; | |
649 | } | |
650 | ||
651 | # Close display table | |
652 | print "</table>"; | |
653 | ||
654 | # Increment ruledisplaycnt | |
655 | $ruledisplaycnt++; | |
656 | } | |
657 | print "</td></tr></table></td></tr></table>"; | |
658 | print <<END | |
659 | <table width='100%'> | |
660 | <tr> | |
661 | <td width='100%' align='right'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td> | |
662 | <!-- space for future online help link --> | |
663 | </td> | |
664 | </tr> | |
665 | </table> | |
666 | </form> | |
667 | END | |
668 | ; | |
669 | &Header::closebox(); | |
670 | } | |
671 | ||
672 | ####################### End added for snort rules control ################################# | |
673 | &Header::closebigbox(); | |
674 | &Header::closepage(); | |
675 | ||
676 | sub downloadrulesfile { | |
677 | my $peer; | |
678 | my $peerport; | |
679 | ||
680 | unlink("/var/tmp/log"); | |
681 | ||
682 | unless (-e "${General::swroot}/red/active") { | |
683 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
684 | return undef; | |
685 | } | |
686 | ||
687 | my %proxysettings=(); | |
688 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
689 | ||
690 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
691 | ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
692 | } | |
693 | ||
694 | if ($peer) { | |
695 | system("wget -r --proxy=on --proxy-user=$proxysettings{'UPSTREAM_USER'} --proxy-passwd=$proxysettings{'UPSTREAM_PASSWORD'} -e http_proxy=http://$peer:$peerport/ -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url"); | |
696 | } else { | |
697 | system("wget -r -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url"); | |
698 | } | |
699 | } |