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1 | #!/usr/bin/perl | |
2 | # | |
3 | # SmoothWall CGIs | |
4 | # | |
5 | # This code is distributed under the terms of the GPL | |
6 | # | |
7 | # (c) The SmoothWall Team | |
8 | # | |
9 | ||
10 | use LWP::UserAgent; | |
11 | use File::Copy; | |
12 | use File::Temp qw/ tempfile tempdir /; | |
13 | use strict; | |
14 | ||
15 | # enable only the following on debugging purpose | |
16 | use warnings; | |
17 | use CGI::Carp 'fatalsToBrowser'; | |
18 | ||
19 | require '/var/ipfire/general-functions.pl'; | |
20 | require "${General::swroot}/lang.pl"; | |
21 | require "${General::swroot}/header.pl"; | |
22 | ||
23 | my %color = (); | |
24 | my %mainsettings = (); | |
25 | &General::readhash("${General::swroot}/main/settings", \%mainsettings); | |
26 | &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color); | |
27 | ||
28 | my %snortsettings=(); | |
29 | my %checked=(); | |
30 | my %selected=(); | |
31 | my %netsettings=(); | |
32 | our $errormessage = ''; | |
33 | our $md5 = '0';# not '' to avoid displaying the wrong message when INSTALLMD5 not set | |
34 | our $realmd5 = ''; | |
35 | our $results = ''; | |
36 | our $tempdir = ''; | |
37 | our $url=''; | |
38 | &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); | |
39 | ||
40 | &Header::showhttpheaders(); | |
41 | ||
42 | $snortsettings{'ENABLE_SNORT'} = 'off'; | |
43 | $snortsettings{'ENABLE_SNORT_GREEN'} = 'off'; | |
44 | $snortsettings{'ENABLE_SNORT_BLUE'} = 'off'; | |
45 | $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off'; | |
46 | $snortsettings{'ACTION'} = ''; | |
47 | $snortsettings{'RULES'} = ''; | |
48 | $snortsettings{'OINKCODE'} = ''; | |
49 | $snortsettings{'INSTALLDATE'} = ''; | |
50 | $snortsettings{'INSTALLMD5'} = ''; | |
51 | ||
52 | &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'}); | |
53 | ||
54 | ####################### Added for snort rules control ################################# | |
55 | my $snortrulepath; | |
56 | my @snortconfig; | |
57 | my $restartsnortrequired = 0; | |
58 | my %snortrules; | |
59 | my $rule = ''; | |
60 | my $table1colour = ''; | |
61 | my $table2colour = ''; | |
62 | my $var = ''; | |
63 | my $value = ''; | |
64 | my $tmp = ''; | |
65 | my $linkedrulefile = ''; | |
66 | my $border = ''; | |
67 | my $checkboxname = ''; | |
68 | ||
69 | if (-e "/etc/snort/snort.conf") { | |
70 | # Open snort.conf file, read it in, close it, and re-open for writing | |
71 | open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.'; | |
72 | @snortconfig = <FILE>; | |
73 | close(FILE); | |
74 | open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.'; | |
75 | ||
76 | # Loop over each line | |
77 | foreach my $line (@snortconfig) { | |
78 | # Trim the line | |
79 | chomp $line; | |
80 | ||
81 | # Check for a line with .rules | |
82 | if ($line =~ /\.rules$/) { | |
83 | # Parse out rule file name | |
84 | $rule = $line; | |
85 | $rule =~ s/\$RULE_PATH\///i; | |
86 | $rule =~ s/ ?include ?//i; | |
87 | $rule =~ s/\#//i; | |
88 | my $snortrulepathrule = "$snortrulepath/$rule"; | |
89 | ||
90 | # Open rule file and read in contents | |
91 | open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule."; | |
92 | my @snortrulefile = <RULEFILE>; | |
93 | close(RULEFILE); | |
94 | open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule"; | |
95 | ||
96 | # Local vars | |
97 | my $dashlinecnt = 0; | |
98 | my $desclook = 1; | |
99 | my $snortruledesc = ''; | |
100 | my %snortruledef = (); | |
101 | my $rulecnt = 1; | |
102 | ||
103 | # Loop over rule file contents | |
104 | foreach my $ruleline (@snortrulefile) { | |
105 | chomp $ruleline; | |
106 | ||
107 | # If still looking for a description | |
108 | if ($desclook) { | |
109 | # If line does not start with a # anymore, then done looking for a description | |
110 | if ($ruleline !~ /^\#/) { | |
111 | $desclook = 0; | |
112 | } | |
113 | ||
114 | # If see more than one dashed line, (start to) create rule file description | |
115 | if ($dashlinecnt > 1) { | |
116 | # Check for a line starting with a # | |
117 | if ($ruleline =~ /^\#/) { | |
118 | # Create tempruleline | |
119 | my $tempruleline = $ruleline; | |
120 | ||
121 | # Strip off # and clean up line | |
122 | $tempruleline =~ s/\# ?//i; | |
123 | ||
124 | # Check for part of a description | |
125 | if ($snortruledesc eq '') { | |
126 | $snortruledesc = $tempruleline; | |
127 | } else { | |
128 | $snortruledesc .= " $tempruleline"; | |
129 | } | |
130 | } else { | |
131 | # Must be done | |
132 | $desclook = 0; | |
133 | } | |
134 | } | |
135 | ||
136 | # If have a dashed line, increment count | |
137 | if ($ruleline =~ /\# ?\-+/) { | |
138 | $dashlinecnt++; | |
139 | } | |
140 | } else { | |
141 | # Parse out rule file rule's message for display | |
142 | if ($ruleline =~ /(msg\:\"[^\"]+\";)/) { | |
143 | my $msg = ''; | |
144 | $msg = $1; | |
145 | $msg =~ s/msg\:\"//i; | |
146 | $msg =~ s/\";//i; | |
147 | $snortruledef{$rulecnt}{'Description'} = $msg; | |
148 | ||
149 | # Check for 'Save' and rule file displayed in query string | |
150 | if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) { | |
151 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
152 | if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) { | |
153 | $restartsnortrequired = 1; | |
154 | } | |
155 | ||
156 | # Strip out leading # from rule line | |
157 | $ruleline =~ s/\# ?//i; | |
158 | ||
159 | # Check if it does not exists (which means it is disabled), append a # | |
160 | if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) { | |
161 | $ruleline = "#"." $ruleline"; | |
162 | } | |
163 | } | |
164 | ||
165 | # Check if ruleline does not begin with a #, so it is enabled | |
166 | if ($ruleline !~ /^\#/) { | |
167 | $snortruledef{$rulecnt++}{'State'} = 'Enabled'; | |
168 | } else { | |
169 | # Otherwise it is disabled | |
170 | $snortruledef{$rulecnt++}{'State'} = 'Disabled'; | |
171 | } | |
172 | } | |
173 | } | |
174 | ||
175 | # Print ruleline to RULEFILE | |
176 | print RULEFILE "$ruleline\n"; | |
177 | } | |
178 | ||
179 | # Close RULEFILE | |
180 | close(RULEFILE); | |
181 | ||
182 | # Check for 'Save' | |
183 | if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) { | |
184 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
185 | if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) { | |
186 | $restartsnortrequired = 1; | |
187 | } | |
188 | ||
189 | # Strip out leading # from rule line | |
190 | $line =~ s/\# ?//i; | |
191 | ||
192 | # Check if it does not exists (which means it is disabled), append a # | |
193 | if (!exists $snortsettings{"SNORT_RULE_$rule"}) { | |
194 | $line = "# $line"; | |
195 | } | |
196 | } | |
197 | ||
198 | # Check for rule state | |
199 | if ($line =~ /^\#/) { | |
200 | $snortrules{$rule}{"State"} = "Disabled"; | |
201 | } else { | |
202 | $snortrules{$rule}{"State"} = "Enabled"; | |
203 | } | |
204 | ||
205 | # Set rule description | |
206 | $snortrules{$rule}{"Description"} = $snortruledesc; | |
207 | ||
208 | # Loop over sorted rules | |
209 | foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) { | |
210 | $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'}; | |
211 | $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'}; | |
212 | } | |
213 | ||
214 | $snortruledesc = ''; | |
215 | print FILE "$line\n"; | |
216 | } elsif ($line =~ /var RULE_PATH/) { | |
217 | ($tmp, $tmp, $snortrulepath) = split(' ', $line); | |
218 | print FILE "$line\n"; | |
219 | } else { | |
220 | print FILE "$line\n"; | |
221 | } | |
222 | } | |
223 | close(FILE); | |
224 | ||
225 | if ($restartsnortrequired) { | |
226 | system('/usr/local/bin/snortctrl restart >/dev/null'); | |
227 | } | |
228 | } | |
229 | ||
230 | ####################### End added for snort rules control ################################# | |
231 | ||
232 | if ($snortsettings{'RULES'} eq 'subscripted') { | |
233 | $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-CURRENT_s.tar.gz"; | |
234 | } elsif ($snortsettings{'RULES'} eq 'registered') { | |
235 | $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-CURRENT.tar.gz"; | |
236 | } else { | |
237 | $url="http://www.snort.org/pub-bin/downloads.cgi/Download/comm_rules/Community-Rules-CURRENT.tar.gz"; | |
238 | } | |
239 | ||
240 | if ($snortsettings{'ACTION'} eq $Lang::tr{'save'}) | |
241 | { | |
242 | $errormessage = $Lang::tr{'invalid input for oink code'} unless ( | |
243 | ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/) || | |
244 | ($snortsettings{'RULESTYPE'} eq 'nothing' ) ); | |
245 | ||
246 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
247 | if ($snortsettings{'ENABLE_SNORT'} eq 'on') | |
248 | { | |
249 | system ('/usr/bin/touch', "${General::swroot}/snort/enable"); | |
250 | } else { | |
251 | unlink "${General::swroot}/snort/enable"; | |
252 | } | |
253 | if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on') | |
254 | { | |
255 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_green"); | |
256 | } else { | |
257 | unlink "${General::swroot}/snort/enable_green"; | |
258 | } | |
259 | if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on') | |
260 | { | |
261 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue"); | |
262 | } else { | |
263 | unlink "${General::swroot}/snort/enable_blue"; | |
264 | } | |
265 | if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on') | |
266 | { | |
267 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange"); | |
268 | } else { | |
269 | unlink "${General::swroot}/snort/enable_orange"; | |
270 | } | |
271 | ||
272 | system('/usr/local/bin/snortctrl restart >/dev/null'); | |
273 | ||
274 | } else { | |
275 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash | |
276 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); | |
277 | } | |
278 | ||
279 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
280 | $md5 = &getmd5; | |
281 | if (($snortsettings{'INSTALLMD5'} ne $md5) && defined $md5 ) { | |
282 | chomp($md5); | |
283 | my $filename = &downloadrulesfile(); | |
284 | if (defined $filename) { | |
285 | # Check MD5sum | |
286 | $realmd5 = `/usr/bin/md5sum $filename`; | |
287 | chomp ($realmd5); | |
288 | $realmd5 =~ s/^(\w+)\s.*$/$1/; | |
289 | if ($md5 ne $realmd5) { | |
290 | $errormessage = "$Lang::tr{'invalid md5sum'}"; | |
291 | } else { | |
292 | $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>"; | |
293 | $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules 2>&1`; | |
294 | $results .= "</pre>"; | |
295 | } | |
296 | unlink ($filename); | |
297 | } | |
298 | } | |
299 | } | |
300 | ||
301 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
302 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
303 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
304 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
305 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
306 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
307 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
308 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
309 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
310 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
311 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
312 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
313 | $selected{'RULES'}{'nothing'} = ''; | |
314 | $selected{'RULES'}{'community'} = ''; | |
315 | $selected{'RULES'}{'registered'} = ''; | |
316 | $selected{'RULES'}{'subscripted'} = ''; | |
317 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
318 | ||
319 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
320 | ||
321 | ####################### Added for snort rules control ################################# | |
322 | print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>"; | |
323 | print <<END | |
324 | <STYLE TYPE="text/css"> | |
325 | <!-- | |
326 | .section { | |
327 | border: groove; | |
328 | } | |
329 | .row1color { | |
330 | border: ridge; | |
331 | background-color: $color{'color22'}; | |
332 | } | |
333 | .row2color { | |
334 | border: ridge; | |
335 | background-color: $color{'color20'}; | |
336 | } | |
337 | .rowselected { | |
338 | border: double #FF0000; | |
339 | background-color: #DCDCDC; | |
340 | } | |
341 | --> | |
342 | </STYLE> | |
343 | END | |
344 | ; | |
345 | ####################### End added for snort rules control ################################# | |
346 | ||
347 | &Header::openbigbox('100%', 'left', '', $errormessage); | |
348 | ||
349 | if ($errormessage) { | |
350 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
351 | print "<class name='base'>$errormessage\n"; | |
352 | print " </class>\n"; | |
353 | &Header::closebox(); | |
354 | } | |
355 | ||
356 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'}); | |
357 | print <<END | |
358 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
359 | <tr> | |
360 | <td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} /> | |
361 | GREEN Snort</td> | |
362 | </tr> | |
363 | END | |
364 | ; | |
365 | if ($netsettings{'BLUE_DEV'} ne '') { | |
366 | print <<END | |
367 | <tr> | |
368 | <td class='base'><input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> | |
369 | BLUE Snort</td> | |
370 | </tr> | |
371 | END | |
372 | ; | |
373 | } | |
374 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
375 | print <<END | |
376 | <tr> | |
377 | <td class='base'><input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> | |
378 | ORANGE Snort</td> | |
379 | </tr> | |
380 | END | |
381 | ; | |
382 | } | |
383 | print <<END | |
384 | <tr> | |
385 | <td class='base'><input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> | |
386 | RED Snort</td> | |
387 | </tr> | |
388 | <tr> | |
389 | <td><hr /></td> | |
390 | </tr> | |
391 | <tr> | |
392 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
393 | </tr> | |
394 | <tr> | |
395 | <td><select name='RULES'> | |
396 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
397 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> | |
398 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
399 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
400 | </select> | |
401 | </td> | |
402 | </tr> | |
403 | <tr> | |
404 | <td><br /> | |
405 | $Lang::tr{'ids rules license'} <a href='http://www.snort.org/' target='_blank'>http://www.snort.org</a>.<br /> | |
406 | <br /> | |
407 | $Lang::tr{'ids rules license2'} <a href='http://www.snort.org/reg-bin/userprefs.cgi' target='_blank'>USER PREFERENCES</a>, $Lang::tr{'ids rules license3'}<br /> | |
408 | </td> | |
409 | </tr> | |
410 | <tr> | |
411 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> | |
412 | </tr> | |
413 | <tr> | |
414 | <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> | |
415 | END | |
416 | ; | |
417 | ||
418 | if ($snortsettings{'INSTALLMD5'} eq $md5) { | |
419 | print " $Lang::tr{'rules already up to date'}</td>"; | |
420 | } else { | |
421 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} && $md5 eq $realmd5 ) { | |
422 | $snortsettings{'INSTALLMD5'} = $realmd5; | |
423 | $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`; | |
424 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
425 | } | |
426 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; | |
427 | } | |
428 | print <<END | |
429 | </tr> | |
430 | </table> | |
431 | <hr /> | |
432 | <table width='100%'> | |
433 | <tr> | |
434 | <td width='55%'> </td> | |
435 | <td width='40%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> | |
436 | <td width='5%'> | |
437 | <!-- space for future online help link --> | |
438 | </td> | |
439 | </tr> | |
440 | </table> | |
441 | </form> | |
442 | END | |
443 | ; | |
444 | ||
445 | if ($results ne '') { | |
446 | print "$results"; | |
447 | } | |
448 | ||
449 | &Header::closebox(); | |
450 | ####################### Added for snort rules control ################################# | |
451 | if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) { | |
452 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); | |
453 | # Output display table for rule files | |
454 | print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>"; | |
455 | ||
456 | print "<form method='post'>"; | |
457 | ||
458 | # Local vars | |
459 | my $ruledisplaycnt = 1; | |
460 | my $rulecnt = keys %snortrules; | |
461 | $rulecnt++; | |
462 | $rulecnt = $rulecnt / 2; | |
463 | ||
464 | # Loop over each rule file | |
465 | foreach my $rulefile (sort keys(%snortrules)) { | |
466 | my $rulechecked = ''; | |
467 | ||
468 | # Check if reached half-way through rule file rules to start new column | |
469 | if ($ruledisplaycnt > $rulecnt) { | |
470 | print "</TABLE></TD><TD VALIGN='TOP'><TABLE>"; | |
471 | $ruledisplaycnt = 0; | |
472 | } | |
473 | ||
474 | # Check if rule file is enabled | |
475 | if ($snortrules{$rulefile}{"State"} eq 'Enabled') { | |
476 | $rulechecked = 'CHECKED'; | |
477 | } | |
478 | ||
479 | # Create rule file link, vars array, and display flag | |
480 | my $rulefilelink = "?RULEFILE=$rulefile"; | |
481 | my $rulefiletoclose = ''; | |
482 | my @queryvars = (); | |
483 | my $displayrulefilerules = 0; | |
484 | ||
485 | # Check for passed in query string | |
486 | if ($ENV{'QUERY_STRING'}) { | |
487 | # Split out vars | |
488 | @queryvars = split(/\&/, $ENV{'QUERY_STRING'}); | |
489 | ||
490 | # Loop over values | |
491 | foreach $value (@queryvars) { | |
492 | # Split out var pairs | |
493 | ($var, $linkedrulefile) = split(/=/, $value); | |
494 | ||
495 | # Check if var is 'RULEFILE' | |
496 | if ($var eq 'RULEFILE') { | |
497 | # Check if rulefile equals linkedrulefile | |
498 | if ($rulefile eq $linkedrulefile) { | |
499 | # Set display flag | |
500 | $displayrulefilerules = 1; | |
501 | ||
502 | # Strip out rulefile from rulefilelink | |
503 | $rulefilelink =~ s/RULEFILE=$linkedrulefile//g; | |
504 | } else { | |
505 | # Add linked rule file to rulefilelink | |
506 | $rulefilelink .= "&RULEFILE=$linkedrulefile"; | |
507 | } | |
508 | } | |
509 | } | |
510 | } | |
511 | ||
512 | # Strip out extra & & ? from rulefilelink | |
513 | $rulefilelink =~ s/^\?\&/\?/i; | |
514 | ||
515 | # Check for a single '?' and replace with page for proper link display | |
516 | if ($rulefilelink eq '?') { | |
517 | $rulefilelink = "ids.cgi"; | |
518 | } | |
519 | ||
520 | # Output rule file name and checkbox | |
521 | print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>"; | |
522 | print "<TR><TD CLASS='base' VALIGN='TOP'>"; | |
523 | ||
524 | # Check for empty 'Description' | |
525 | if ($snortrules{$rulefile}{'Description'} eq '') { | |
526 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>"; | |
527 | } else { | |
528 | # Output rule file 'Description' | |
529 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>"; | |
530 | } | |
531 | ||
532 | # Check for display flag | |
533 | if ($displayrulefilerules) { | |
534 | # Rule file definition rule display | |
535 | print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>"; | |
536 | ||
537 | # Local vars | |
538 | my $ruledefdisplaycnt = 0; | |
539 | my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}}; | |
540 | $ruledefcnt++; | |
541 | $ruledefcnt = $ruledefcnt / 2; | |
542 | ||
543 | # Loop over rule file rules | |
544 | foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) { | |
545 | # Local vars | |
546 | my $ruledefchecked = ''; | |
547 | ||
548 | # If have display 2 rules, start new row | |
549 | if (($ruledefdisplaycnt % 2) == 0) { | |
550 | print "</TR><TR>"; | |
551 | $ruledefdisplaycnt = 0; | |
552 | } | |
553 | ||
554 | # Check for rules state | |
555 | if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') { | |
556 | $ruledefchecked = 'CHECKED'; | |
557 | } | |
558 | ||
559 | # Create rule file rule's checkbox | |
560 | $checkboxname = "SNORT_RULE_$rulefile"; | |
561 | $checkboxname .= "_$ruledef"; | |
562 | print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>"; | |
563 | ||
564 | # Increment count | |
565 | $ruledefdisplaycnt++; | |
566 | } | |
567 | ||
568 | # If do not have second rule for row, create empty cell | |
569 | if (($ruledefdisplaycnt % 2) != 0) { | |
570 | print "<TD CLASS='base'></TD>"; | |
571 | } | |
572 | ||
573 | # Close display table | |
574 | print "</TR></TABLE></TD></TR>"; | |
575 | } | |
576 | ||
577 | # Close display table | |
578 | print "</TABLE>"; | |
579 | ||
580 | # Increment ruledisplaycnt | |
581 | $ruledisplaycnt++; | |
582 | } | |
583 | ||
584 | print "</TD></TR></TABLE></TD></TR></TABLE>"; | |
585 | print <<END | |
586 | <table width='100%'> | |
587 | <tr> | |
588 | <td width='33%'> </td> | |
589 | <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td> | |
590 | <td width='33%'> | |
591 | <!-- space for future online help link --> | |
592 | </td> | |
593 | </tr> | |
594 | </table> | |
595 | </form> | |
596 | END | |
597 | ; | |
598 | &Header::closebox(); | |
599 | } | |
600 | ####################### End added for snort rules control ################################# | |
601 | &Header::closebigbox(); | |
602 | &Header::closepage(); | |
603 | ||
604 | sub getmd5 { | |
605 | # Retrieve MD5 sum from $url.md5 file | |
606 | # | |
607 | my $md5buf = &geturl("$url.md5"); | |
608 | return undef unless $md5buf; | |
609 | ||
610 | if (0) { # 1 to debug | |
611 | my $filename=''; | |
612 | my $fh=''; | |
613 | ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.md5' ); | |
614 | binmode ($fh); | |
615 | syswrite ($fh, $md5buf->content); | |
616 | close($fh); | |
617 | } | |
618 | return $md5buf->content; | |
619 | } | |
620 | sub downloadrulesfile { | |
621 | my $return = &geturl($url); | |
622 | return undef unless $return; | |
623 | ||
624 | if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning | |
625 | $errormessage = $Lang::tr{'invalid loaded file'}; | |
626 | return undef; | |
627 | } | |
628 | ||
629 | my $filename=''; | |
630 | my $fh=''; | |
631 | ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension | |
632 | binmode ($fh); | |
633 | syswrite ($fh, $return->content); | |
634 | close($fh); | |
635 | return $filename; | |
636 | } | |
637 | ||
638 | sub geturl ($) { | |
639 | my $url=$_[0]; | |
640 | ||
641 | unless (-e "${General::swroot}/red/active") { | |
642 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
643 | return undef; | |
644 | } | |
645 | ||
646 | my $downloader = LWP::UserAgent->new; | |
647 | $downloader->timeout(5); | |
648 | ||
649 | my %proxysettings=(); | |
650 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
651 | ||
652 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
653 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
654 | if ($proxysettings{'UPSTREAM_USER'}) { | |
655 | $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/"); | |
656 | } else { | |
657 | $downloader->proxy("http","http://$peer:$peerport/"); | |
658 | } | |
659 | } | |
660 | ||
661 | my $return = $downloader->get($url,'Cache-Control','no-cache'); | |
662 | ||
663 | if ($return->code == 403) { | |
664 | $errormessage = $Lang::tr{'access refused with this oinkcode'}; | |
665 | return undef; | |
666 | } elsif (!$return->is_success()) { | |
667 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
668 | return undef; | |
669 | } | |
670 | ||
671 | return $return; | |
672 | ||
673 | } |