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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 | $url="http://dl.snort.org/sub-rules/snortrules-snapshot-2853_s.tar.gz?oink_code=$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 | #$url="http://dl.snort.org/reg-rules/snortrules-snapshot-2853.tar.gz?oink_code=$snortsettings{'OINKCODE'}"; | |
269 | #$url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8.tar.gz"; | |
270 | } else { | |
271 | $url="http://www.snort.org/pub-bin/downloads.cgi/Download/comm_rules/Community-Rules-CURRENT.tar.gz"; | |
272 | } | |
273 | ||
274 | if ($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'} && $snortsettings{'ACTION2'} eq "guardian" ){ | |
321 | open(IGNOREFILE, ">$snortsettings{'GUARDIAN_IGNOREFILE'}") or die "Unable to write guardian ignore file $snortsettings{'GUARDIAN_IGNOREFILE'}"; | |
322 | print IGNOREFILE $snortsettings{'IGNOREFILE_CONTENT'}; | |
323 | close(IGNOREFILE); | |
324 | open(GUARDIAN, ">/var/ipfire/guardian/guardian.conf") or die "Unable to write guardian conf /var/ipfire/guardian/guardian.conf"; | |
325 | print GUARDIAN <<END | |
326 | Interface $snortsettings{'GUARDIAN_INTERFACE'} | |
327 | HostGatewayByte $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'} | |
328 | LogFile $snortsettings{'GUARDIAN_LOGFILE'} | |
329 | AlertFile $snortsettings{'GUARDIAN_ALERTFILE'} | |
330 | IgnoreFile $snortsettings{'GUARDIAN_IGNOREFILE'} | |
331 | TargetFile $snortsettings{'GUARDIAN_TARGETFILE'} | |
332 | TimeLimit $snortsettings{'GUARDIAN_TIMELIMIT'} | |
333 | END | |
334 | ; | |
335 | close(GUARDIAN); | |
336 | system('/usr/local/bin/snortctrl restart >/dev/null'); | |
337 | } | |
338 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash | |
339 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); | |
340 | ||
341 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
342 | ||
343 | my @df = `/bin/df -B M /var`; | |
344 | foreach my $line (@df) { | |
345 | next if $line =~ m/^Filesystem/; | |
346 | ||
347 | if ($line =~ m/dev/ ) { | |
348 | $line =~ m/^.* (\d+)M.*$/; | |
349 | my @temp = split(/ +/,$line); | |
350 | if ($1<600) { | |
351 | $errormessage = "$Lang::tr{'not enough disk space'} < 600MB, /var $1MB"; | |
352 | } else { | |
353 | my $filename = &downloadrulesfile(); | |
354 | if (defined $filename) { | |
355 | $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>"; | |
356 | $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules 2>&1`; | |
357 | $results .= "</pre>"; | |
358 | } | |
359 | unlink ($filename); | |
360 | } | |
361 | ||
362 | } | |
363 | } | |
364 | ||
365 | ||
366 | } | |
367 | ||
368 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
369 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
370 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
371 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
372 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
373 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
374 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
375 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
376 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
377 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
378 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
379 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
380 | $checked{'ENABLE_GUARDIAN'}{'off'} = ''; | |
381 | $checked{'ENABLE_GUARDIAN'}{'on'} = ''; | |
382 | $checked{'ENABLE_GUARDIAN'}{$snortsettings{'ENABLE_GUARDIAN'}} = "checked='checked'"; | |
383 | $selected{'RULES'}{'nothing'} = ''; | |
384 | $selected{'RULES'}{'community'} = ''; | |
385 | $selected{'RULES'}{'registered'} = ''; | |
386 | $selected{'RULES'}{'subscripted'} = ''; | |
387 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
388 | ||
389 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
390 | ||
391 | ####################### Added for snort rules control ################################# | |
392 | print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>"; | |
393 | print <<END | |
394 | <STYLE TYPE="text/css"> | |
395 | <!-- | |
396 | .section { | |
397 | border: groove; | |
398 | } | |
399 | .row1color { | |
400 | border: ridge; | |
401 | background-color: $color{'color22'}; | |
402 | } | |
403 | .row2color { | |
404 | border: ridge; | |
405 | background-color: $color{'color20'}; | |
406 | } | |
407 | .rowselected { | |
408 | border: double #FF0000; | |
409 | background-color: #DCDCDC; | |
410 | } | |
411 | --> | |
412 | </STYLE> | |
413 | END | |
414 | ; | |
415 | ####################### End added for snort rules control ################################# | |
416 | ||
417 | &Header::openbigbox('100%', 'left', '', $errormessage); | |
418 | ||
419 | if ($errormessage) { | |
420 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
421 | print "<class name='base'>$errormessage\n"; | |
422 | print " </class>\n"; | |
423 | &Header::closebox(); | |
424 | } | |
425 | ||
426 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'}); | |
427 | print <<END | |
428 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
429 | <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort | |
430 | END | |
431 | ; | |
432 | if ($netsettings{'BLUE_DEV'} ne '') { | |
433 | print " <input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort"; | |
434 | } | |
435 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
436 | print " <input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort"; | |
437 | } | |
438 | print " <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort"; | |
439 | if ( -e "/var/ipfire/guardian/guardian.conf" ) { | |
440 | print " <input type='checkbox' name='ENABLE_GUARDIAN' $checked{'ENABLE_GUARDIAN'}{'on'} /> Guardian"; | |
441 | } | |
442 | ||
443 | print <<END | |
444 | </td></tr> | |
445 | <tr> | |
446 | <td><hr /></td> | |
447 | </tr> | |
448 | <tr> | |
449 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
450 | </tr> | |
451 | <tr> | |
452 | <td><select name='RULES'> | |
453 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
454 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> | |
455 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
456 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
457 | </select> | |
458 | </td> | |
459 | </tr> | |
460 | <tr> | |
461 | <td><br /> | |
462 | $Lang::tr{'ids rules license'} <a href='https://www.snort.org/signup' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br /> | |
463 | $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'} | |
464 | </td> | |
465 | </tr> | |
466 | <tr> | |
467 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> | |
468 | </tr> | |
469 | <tr> | |
470 | <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> | |
471 | END | |
472 | ; | |
473 | ||
474 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} ) { | |
475 | $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`; | |
476 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
477 | } | |
478 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; | |
479 | ||
480 | print <<END | |
481 | </tr> | |
482 | </table> | |
483 | <hr /> | |
484 | <table width='100%'> | |
485 | <tr> | |
486 | <td align='center'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> | |
487 | </tr> | |
488 | </table> | |
489 | </form> | |
490 | END | |
491 | ; | |
492 | ||
493 | if ($results ne '') { | |
494 | print "$results"; | |
495 | } | |
496 | ||
497 | &Header::closebox(); | |
498 | ||
499 | ####################### Added for guardian control #################################### | |
500 | if ( -e "/var/ipfire/guardian/guardian.conf" ) { | |
501 | &Header::openbox('100%', 'LEFT', $Lang::tr{'guardian configuration'}); | |
502 | print <<END | |
503 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
504 | <tr><td align='left' width='40%'>$Lang::tr{'guardian interface'}</td><td align='left'><input type='text' name='INTERFACE' value='$snortsettings{'GUARDIAN_INTERFACE'}' size="30" /></td></tr> | |
505 | <tr><td align='left' width='40%'>$Lang::tr{'guardian timelimit'}</td><td align='left'><input type='text' name='TIMELIMIT' value='$snortsettings{'GUARDIAN_TIMELIMIT'}' size="30" /></td></tr> | |
506 | <tr><td align='left' width='40%'>$Lang::tr{'guardian logfile'}</td><td align='left'><input type='text' name='LOGFILE' value='$snortsettings{'GUARDIAN_LOGFILE'}' size="30" /></td></tr> | |
507 | <tr><td align='left' width='40%'>$Lang::tr{'guardian alertfile'}</td><td align='left'><input type='text' name='ALERTFILE' value='$snortsettings{'GUARDIAN_ALERTFILE'}' size="30" /></td></tr> | |
508 | <tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'> | |
509 | END | |
510 | ; | |
511 | print `cat /var/ipfire/guardian/guardian.ignore`; | |
512 | print <<END | |
513 | </textarea></td></tr> | |
514 | <tr><td align='center' colspan='2'><input type='hidden' name='ACTION2' value='guardian' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td></tr> | |
515 | </table> | |
516 | </form> | |
517 | END | |
518 | ; | |
519 | &Header::closebox(); | |
520 | } | |
521 | ||
522 | ||
523 | ||
524 | ||
525 | ####################### Added for snort rules control ################################# | |
526 | if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) { | |
527 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); | |
528 | # Output display table for rule files | |
529 | print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>"; | |
530 | ||
531 | print "<form method='post'>"; | |
532 | ||
533 | # Local vars | |
534 | my $ruledisplaycnt = 1; | |
535 | my $rulecnt = keys %snortrules; | |
536 | $rulecnt++; | |
537 | $rulecnt = $rulecnt / 2; | |
538 | ||
539 | # Loop over each rule file | |
540 | foreach my $rulefile (sort keys(%snortrules)) { | |
541 | my $rulechecked = ''; | |
542 | ||
543 | # Check if reached half-way through rule file rules to start new column | |
544 | if ($ruledisplaycnt > $rulecnt) { | |
545 | print "</TABLE></TD><TD VALIGN='TOP'><TABLE>"; | |
546 | $ruledisplaycnt = 0; | |
547 | } | |
548 | ||
549 | # Check if rule file is enabled | |
550 | if ($snortrules{$rulefile}{"State"} eq 'Enabled') { | |
551 | $rulechecked = 'CHECKED'; | |
552 | } | |
553 | ||
554 | # Create rule file link, vars array, and display flag | |
555 | my $rulefilelink = "?RULEFILE=$rulefile"; | |
556 | my $rulefiletoclose = ''; | |
557 | my @queryvars = (); | |
558 | my $displayrulefilerules = 0; | |
559 | ||
560 | # Check for passed in query string | |
561 | if ($ENV{'QUERY_STRING'}) { | |
562 | # Split out vars | |
563 | @queryvars = split(/\&/, $ENV{'QUERY_STRING'}); | |
564 | ||
565 | # Loop over values | |
566 | foreach $value (@queryvars) { | |
567 | # Split out var pairs | |
568 | ($var, $linkedrulefile) = split(/=/, $value); | |
569 | ||
570 | # Check if var is 'RULEFILE' | |
571 | if ($var eq 'RULEFILE') { | |
572 | # Check if rulefile equals linkedrulefile | |
573 | if ($rulefile eq $linkedrulefile) { | |
574 | # Set display flag | |
575 | $displayrulefilerules = 1; | |
576 | ||
577 | # Strip out rulefile from rulefilelink | |
578 | $rulefilelink =~ s/RULEFILE=$linkedrulefile//g; | |
579 | } else { | |
580 | # Add linked rule file to rulefilelink | |
581 | $rulefilelink .= "&RULEFILE=$linkedrulefile"; | |
582 | } | |
583 | } | |
584 | } | |
585 | } | |
586 | ||
587 | # Strip out extra & & ? from rulefilelink | |
588 | $rulefilelink =~ s/^\?\&/\?/i; | |
589 | ||
590 | # Check for a single '?' and replace with page for proper link display | |
591 | if ($rulefilelink eq '?') { | |
592 | $rulefilelink = "ids.cgi"; | |
593 | } | |
594 | ||
595 | # Output rule file name and checkbox | |
596 | print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>"; | |
597 | print "<TR><TD CLASS='base' VALIGN='TOP'>"; | |
598 | ||
599 | # Check for empty 'Description' | |
600 | if ($snortrules{$rulefile}{'Description'} eq '') { | |
601 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>"; | |
602 | } else { | |
603 | # Output rule file 'Description' | |
604 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>"; | |
605 | } | |
606 | ||
607 | # Check for display flag | |
608 | if ($displayrulefilerules) { | |
609 | # Rule file definition rule display | |
610 | print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>"; | |
611 | ||
612 | # Local vars | |
613 | my $ruledefdisplaycnt = 0; | |
614 | my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}}; | |
615 | $ruledefcnt++; | |
616 | $ruledefcnt = $ruledefcnt / 2; | |
617 | ||
618 | # Loop over rule file rules | |
619 | foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) { | |
620 | # Local vars | |
621 | my $ruledefchecked = ''; | |
622 | ||
623 | # If have display 2 rules, start new row | |
624 | if (($ruledefdisplaycnt % 2) == 0) { | |
625 | print "</TR><TR>"; | |
626 | $ruledefdisplaycnt = 0; | |
627 | } | |
628 | ||
629 | # Check for rules state | |
630 | if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') { | |
631 | $ruledefchecked = 'CHECKED'; | |
632 | } | |
633 | ||
634 | # Create rule file rule's checkbox | |
635 | $checkboxname = "SNORT_RULE_$rulefile"; | |
636 | $checkboxname .= "_$ruledef"; | |
637 | print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>"; | |
638 | ||
639 | # Increment count | |
640 | $ruledefdisplaycnt++; | |
641 | } | |
642 | ||
643 | # If do not have second rule for row, create empty cell | |
644 | if (($ruledefdisplaycnt % 2) != 0) { | |
645 | print "<TD CLASS='base'></TD>"; | |
646 | } | |
647 | ||
648 | # Close display table | |
649 | print "</TR></TABLE></TD></TR>"; | |
650 | } | |
651 | ||
652 | # Close display table | |
653 | print "</TABLE>"; | |
654 | ||
655 | # Increment ruledisplaycnt | |
656 | $ruledisplaycnt++; | |
657 | } | |
658 | print "</TD></TR></TABLE></TD></TR></TABLE>"; | |
659 | print <<END | |
660 | <table width='100%'> | |
661 | <tr> | |
662 | <td width='33%'> </td> | |
663 | <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td> | |
664 | <td width='33%'> | |
665 | <!-- space for future online help link --> | |
666 | </td> | |
667 | </tr> | |
668 | </table> | |
669 | </form> | |
670 | END | |
671 | ; | |
672 | &Header::closebox(); | |
673 | } | |
674 | ||
675 | ####################### End added for snort rules control ################################# | |
676 | &Header::closebigbox(); | |
677 | &Header::closepage(); | |
678 | ||
679 | sub downloadrulesfile { | |
680 | my $return = &geturl($url); | |
681 | return undef unless $return; | |
682 | ||
683 | if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning | |
684 | $errormessage = $Lang::tr{'invalid loaded file'}; | |
685 | return undef; | |
686 | } | |
687 | ||
688 | my $filename=''; | |
689 | my $fh=''; | |
690 | ($fh, $filename) = tempfile('/var/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension | |
691 | binmode ($fh); | |
692 | syswrite ($fh, $return->content); | |
693 | close($fh); | |
694 | return $filename; | |
695 | } | |
696 | ||
697 | sub geturl ($) { | |
698 | my $url=$_[0]; | |
699 | ||
700 | unless (-e "${General::swroot}/red/active") { | |
701 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
702 | return undef; | |
703 | } | |
704 | ||
705 | my $downloader = LWP::UserAgent->new; | |
706 | $downloader->timeout(5); | |
707 | ||
708 | my %proxysettings=(); | |
709 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
710 | ||
711 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
712 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
713 | if ($proxysettings{'UPSTREAM_USER'}) { | |
714 | $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/"); | |
715 | } else { | |
716 | $downloader->proxy("http","http://$peer:$peerport/"); | |
717 | } | |
718 | } | |
719 | ||
720 | my $return = $downloader->get($url,'Cache-Control','no-cache'); | |
721 | ||
722 | if ($return->code == 403) { | |
723 | $errormessage = $Lang::tr{'access refused with this oinkcode'}; | |
724 | return undef; | |
725 | } elsif (!$return->is_success()) { | |
726 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
727 | return undef; | |
728 | } | |
729 | ||
730 | return $return; | |
731 | ||
732 | } |