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Commit | Line | Data |
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ac1cfefa MT |
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 | # | |
ac1cfefa MT |
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 | |
395e3b90 MT |
16 | use warnings; |
17 | use CGI::Carp 'fatalsToBrowser'; | |
ac1cfefa | 18 | |
986e08d9 | 19 | require '/var/ipfire/general-functions.pl'; |
ac1cfefa MT |
20 | require "${General::swroot}/lang.pl"; |
21 | require "${General::swroot}/header.pl"; | |
22 | ||
23 | my %snortsettings=(); | |
24 | my %checked=(); | |
5a3e0dca | 25 | my %selected=(); |
ac1cfefa MT |
26 | my %netsettings=(); |
27 | our $errormessage = ''; | |
28 | our $md5 = '0';# not '' to avoid displaying the wrong message when INSTALLMD5 not set | |
29 | our $realmd5 = ''; | |
30 | our $results = ''; | |
31 | our $tempdir = ''; | |
32 | our $url=''; | |
33 | &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); | |
34 | ||
35 | &Header::showhttpheaders(); | |
36 | ||
37 | $snortsettings{'ENABLE_SNORT'} = 'off'; | |
38 | $snortsettings{'ENABLE_SNORT_GREEN'} = 'off'; | |
39 | $snortsettings{'ENABLE_SNORT_BLUE'} = 'off'; | |
40 | $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off'; | |
41 | $snortsettings{'ACTION'} = ''; | |
5a3e0dca | 42 | $snortsettings{'RULES'} = ''; |
ac1cfefa MT |
43 | $snortsettings{'OINKCODE'} = ''; |
44 | $snortsettings{'INSTALLDATE'} = ''; | |
45 | $snortsettings{'INSTALLMD5'} = ''; | |
46 | ||
47 | &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'}); | |
48 | ||
395e3b90 MT |
49 | ####################### Added for snort rules control ################################# |
50 | my $snortrulepath; | |
51 | my @snortconfig; | |
52 | my $restartsnortrequired = 0; | |
53 | my %snortrules; | |
54 | my $rule = ''; | |
55 | my $table1colour = ''; | |
56 | my $table2colour = ''; | |
57 | my $var = ''; | |
58 | my $value = ''; | |
59 | my $tmp = ''; | |
60 | my $linkedrulefile = ''; | |
61 | my $border = ''; | |
62 | my $checkboxname = ''; | |
63 | ||
64 | if (-e "/etc/snort/snort.conf") { | |
65 | # Open snort.conf file, read it in, close it, and re-open for writing | |
66 | open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.'; | |
67 | @snortconfig = <FILE>; | |
68 | close(FILE); | |
69 | open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.'; | |
70 | ||
71 | # Loop over each line | |
72 | foreach my $line (@snortconfig) { | |
73 | # Trim the line | |
74 | chomp $line; | |
75 | ||
76 | # Check for a line with .rules | |
77 | if ($line =~ /\.rules$/) { | |
78 | # Parse out rule file name | |
79 | $rule = $line; | |
80 | $rule =~ s/\$RULE_PATH\///i; | |
81 | $rule =~ s/ ?include ?//i; | |
82 | $rule =~ s/\#//i; | |
83 | my $snortrulepathrule = "$snortrulepath/$rule"; | |
84 | ||
85 | # Open rule file and read in contents | |
86 | open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule."; | |
87 | my @snortrulefile = <RULEFILE>; | |
88 | close(RULEFILE); | |
89 | open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule"; | |
90 | ||
91 | # Local vars | |
92 | my $dashlinecnt = 0; | |
93 | my $desclook = 1; | |
94 | my $snortruledesc = ''; | |
95 | my %snortruledef = (); | |
96 | my $rulecnt = 1; | |
97 | ||
98 | # Loop over rule file contents | |
99 | foreach my $ruleline (@snortrulefile) { | |
100 | chomp $ruleline; | |
101 | ||
102 | # If still looking for a description | |
103 | if ($desclook) { | |
104 | # If line does not start with a # anymore, then done looking for a description | |
105 | if ($ruleline !~ /^\#/) { | |
106 | $desclook = 0; | |
107 | } | |
108 | ||
109 | # If see more than one dashed line, (start to) create rule file description | |
110 | if ($dashlinecnt > 1) { | |
111 | # Check for a line starting with a # | |
112 | if ($ruleline =~ /^\#/) { | |
113 | # Create tempruleline | |
114 | my $tempruleline = $ruleline; | |
115 | ||
116 | # Strip off # and clean up line | |
117 | $tempruleline =~ s/\# ?//i; | |
118 | ||
119 | # Check for part of a description | |
120 | if ($snortruledesc eq '') { | |
121 | $snortruledesc = $tempruleline; | |
122 | } else { | |
123 | $snortruledesc .= " $tempruleline"; | |
124 | } | |
125 | } else { | |
126 | # Must be done | |
127 | $desclook = 0; | |
128 | } | |
129 | } | |
130 | ||
131 | # If have a dashed line, increment count | |
132 | if ($ruleline =~ /\# ?\-+/) { | |
133 | $dashlinecnt++; | |
134 | } | |
135 | } else { | |
136 | # Parse out rule file rule's message for display | |
137 | if ($ruleline =~ /(msg\:\"[^\"]+\";)/) { | |
138 | my $msg = ''; | |
139 | $msg = $1; | |
140 | $msg =~ s/msg\:\"//i; | |
141 | $msg =~ s/\";//i; | |
142 | $snortruledef{$rulecnt}{'Description'} = $msg; | |
143 | ||
144 | # Check for 'Save' and rule file displayed in query string | |
145 | if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) { | |
146 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
147 | if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) { | |
148 | $restartsnortrequired = 1; | |
149 | } | |
150 | ||
151 | # Strip out leading # from rule line | |
152 | $ruleline =~ s/\# ?//i; | |
153 | ||
154 | # Check if it does not exists (which means it is disabled), append a # | |
155 | if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) { | |
156 | $ruleline = "#"." $ruleline"; | |
157 | } | |
158 | } | |
159 | ||
160 | # Check if ruleline does not begin with a #, so it is enabled | |
161 | if ($ruleline !~ /^\#/) { | |
162 | $snortruledef{$rulecnt++}{'State'} = 'Enabled'; | |
163 | } else { | |
164 | # Otherwise it is disabled | |
165 | $snortruledef{$rulecnt++}{'State'} = 'Disabled'; | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
170 | # Print ruleline to RULEFILE | |
171 | print RULEFILE "$ruleline\n"; | |
172 | } | |
173 | ||
174 | # Close RULEFILE | |
175 | close(RULEFILE); | |
176 | ||
177 | # Check for 'Save' | |
178 | if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) { | |
179 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
180 | if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) { | |
181 | $restartsnortrequired = 1; | |
182 | } | |
183 | ||
184 | # Strip out leading # from rule line | |
185 | $line =~ s/\# ?//i; | |
186 | ||
187 | # Check if it does not exists (which means it is disabled), append a # | |
188 | if (!exists $snortsettings{"SNORT_RULE_$rule"}) { | |
189 | $line = "# $line"; | |
190 | } | |
191 | } | |
192 | ||
193 | # Check for rule state | |
194 | if ($line =~ /^\#/) { | |
195 | $snortrules{$rule}{"State"} = "Disabled"; | |
196 | } else { | |
197 | $snortrules{$rule}{"State"} = "Enabled"; | |
198 | } | |
199 | ||
200 | # Set rule description | |
201 | $snortrules{$rule}{"Description"} = $snortruledesc; | |
202 | ||
203 | # Loop over sorted rules | |
204 | foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) { | |
205 | $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'}; | |
206 | $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'}; | |
207 | } | |
208 | ||
209 | $snortruledesc = ''; | |
210 | print FILE "$line\n"; | |
211 | } elsif ($line =~ /var RULE_PATH/) { | |
212 | ($tmp, $tmp, $snortrulepath) = split(' ', $line); | |
213 | print FILE "$line\n"; | |
214 | } else { | |
215 | print FILE "$line\n"; | |
216 | } | |
217 | } | |
218 | close(FILE); | |
219 | ||
220 | if ($restartsnortrequired) { | |
221 | system('/usr/local/bin/restartsnort','red','orange','blue','green'); | |
222 | } | |
223 | } | |
224 | ||
225 | ####################### End added for snort rules control ################################# | |
226 | ||
5a3e0dca MT |
227 | if ($snortsettings{'RULES'} eq 'subscripted') { |
228 | $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-CURRENT_s.tar.gz"; | |
229 | } elsif ($snortsettings{'RULES'} eq 'registered') { | |
230 | $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-CURRENT.tar.gz"; | |
231 | } elsif ($snortsettings{'RULES'} eq 'bleeding') { | |
232 | $url="http://www.bleedingsnort.com/bleeding.rules.tar.gz"; | |
ac1cfefa | 233 | } else { |
5a3e0dca | 234 | $url="http://www.snort.org/pub-bin/downloads.cgi/Download/comm_rules/Community-Rules-CURRENT.tar.gz"; |
ac1cfefa MT |
235 | } |
236 | ||
237 | if ($snortsettings{'ACTION'} eq $Lang::tr{'save'}) | |
238 | { | |
239 | $errormessage = $Lang::tr{'invalid input for oink code'} unless ( | |
240 | ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/) || | |
241 | ($snortsettings{'RULESTYPE'} eq 'nothing' ) ); | |
242 | ||
243 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
244 | if ($snortsettings{'ENABLE_SNORT'} eq 'on') | |
245 | { | |
9833e7d8 | 246 | system ('/usr/bin/touch', "${General::swroot}/snort/enable"); |
ac1cfefa MT |
247 | } else { |
248 | unlink "${General::swroot}/snort/enable"; | |
249 | } | |
250 | if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on') | |
251 | { | |
9833e7d8 | 252 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_green"); |
ac1cfefa MT |
253 | } else { |
254 | unlink "${General::swroot}/snort/enable_green"; | |
255 | } | |
256 | if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on') | |
257 | { | |
9833e7d8 | 258 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue"); |
ac1cfefa MT |
259 | } else { |
260 | unlink "${General::swroot}/snort/enable_blue"; | |
261 | } | |
262 | if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on') | |
263 | { | |
9833e7d8 | 264 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange"); |
ac1cfefa MT |
265 | } else { |
266 | unlink "${General::swroot}/snort/enable_orange"; | |
267 | } | |
268 | ||
269 | system('/usr/local/bin/restartsnort','red','orange','blue','green'); | |
395e3b90 | 270 | |
ac1cfefa MT |
271 | } else { |
272 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash | |
273 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); | |
274 | } | |
275 | ||
276 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
277 | $md5 = &getmd5; | |
278 | if (($snortsettings{'INSTALLMD5'} ne $md5) && defined $md5 ) { | |
279 | chomp($md5); | |
280 | my $filename = &downloadrulesfile(); | |
281 | if (defined $filename) { | |
282 | # Check MD5sum | |
283 | $realmd5 = `/usr/bin/md5sum $filename`; | |
284 | chomp ($realmd5); | |
285 | $realmd5 =~ s/^(\w+)\s.*$/$1/; | |
286 | if ($md5 ne $realmd5) { | |
287 | $errormessage = "$Lang::tr{'invalid md5sum'}"; | |
288 | } else { | |
289 | $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>"; | |
395e3b90 | 290 | $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules 2>&1`; |
ac1cfefa MT |
291 | $results .= "</pre>"; |
292 | } | |
293 | unlink ($filename); | |
294 | } | |
295 | } | |
296 | } | |
297 | ||
298 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
299 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
300 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
301 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
302 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
303 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
304 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
305 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
306 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
307 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
308 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
309 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
5a3e0dca MT |
310 | $selected{'RULES'}{'nothing'} = ''; |
311 | $selected{'RULES'}{'bleeding'} = ''; | |
312 | $selected{'RULES'}{'community'} = ''; | |
313 | $selected{'RULES'}{'registered'} = ''; | |
314 | $selected{'RULES'}{'subscripted'} = ''; | |
315 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
ac1cfefa MT |
316 | |
317 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
318 | ||
395e3b90 MT |
319 | ####################### Added for snort rules control ################################# |
320 | print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>"; | |
321 | print <<END | |
322 | <STYLE TYPE="text/css"> | |
323 | <!-- | |
324 | .section { | |
325 | border: groove; | |
326 | } | |
327 | .row1color { | |
328 | border: ridge; | |
329 | background-color: $table1colour; | |
330 | } | |
331 | .row2color { | |
332 | border: ridge; | |
333 | background-color: $table2colour; | |
334 | } | |
335 | .rowselected { | |
336 | border: double #FF0000; | |
337 | background-color: #DCDCDC; | |
338 | } | |
339 | --> | |
340 | </STYLE> | |
341 | END | |
342 | ; | |
343 | ####################### End added for snort rules control ################################# | |
344 | ||
ac1cfefa MT |
345 | &Header::openbigbox('100%', 'left', '', $errormessage); |
346 | ||
347 | if ($errormessage) { | |
348 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
349 | print "<class name='base'>$errormessage\n"; | |
350 | print " </class>\n"; | |
351 | &Header::closebox(); | |
352 | } | |
353 | ||
354 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'}); | |
355 | print <<END | |
356 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
357 | <tr> | |
358 | <td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} /> | |
359 | GREEN Snort</td> | |
360 | </tr> | |
361 | END | |
362 | ; | |
363 | if ($netsettings{'BLUE_DEV'} ne '') { | |
364 | print <<END | |
365 | <tr> | |
366 | <td class='base'><input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> | |
367 | BLUE Snort</td> | |
368 | </tr> | |
369 | END | |
370 | ; | |
371 | } | |
372 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
373 | print <<END | |
374 | <tr> | |
375 | <td class='base'><input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> | |
376 | ORANGE Snort</td> | |
377 | </tr> | |
378 | END | |
379 | ; | |
380 | } | |
381 | print <<END | |
382 | <tr> | |
383 | <td class='base'><input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> | |
384 | RED Snort</td> | |
385 | </tr> | |
386 | <tr> | |
387 | <td><hr /></td> | |
388 | </tr> | |
389 | <tr> | |
390 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
391 | </tr> | |
392 | <tr> | |
5a3e0dca MT |
393 | <td><select name='RULES'> |
394 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
395 | <option value='bleeding' $selected{'RULES'}{'bleeding'} >$Lang::tr{'bleeding rules'}</option> | |
396 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> | |
397 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
398 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
399 | </select> | |
400 | </td> | |
ac1cfefa MT |
401 | </tr> |
402 | <tr> | |
403 | <td><br /> | |
404 | $Lang::tr{'ids rules license'} <a href='http://www.snort.org/' target='_blank'>http://www.snort.org</a>.<br /> | |
405 | <br /> | |
406 | $Lang::tr{'ids rules license2'} <a href='http://www.snort.org/reg-bin/userprefs.cgi' target='_blank'>USER PREFERENCES</a>, $Lang::tr{'ids rules license3'}<br /> | |
407 | </td> | |
408 | </tr> | |
409 | <tr> | |
5a3e0dca | 410 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> |
ac1cfefa MT |
411 | </tr> |
412 | <tr> | |
413 | <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> | |
414 | END | |
415 | ; | |
416 | ||
417 | if ($snortsettings{'INSTALLMD5'} eq $md5) { | |
418 | print " $Lang::tr{'rules already up to date'}</td>"; | |
419 | } else { | |
420 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} && $md5 eq $realmd5 ) { | |
421 | $snortsettings{'INSTALLMD5'} = $realmd5; | |
422 | $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`; | |
423 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
424 | } | |
425 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; | |
426 | } | |
427 | print <<END | |
428 | </tr> | |
429 | </table> | |
430 | <hr /> | |
431 | <table width='100%'> | |
432 | <tr> | |
433 | <td width='55%'> </td> | |
434 | <td width='40%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> | |
435 | <td width='5%'> | |
436 | <!-- space for future online help link --> | |
437 | </td> | |
438 | </tr> | |
439 | </table> | |
440 | </form> | |
441 | END | |
442 | ; | |
443 | ||
444 | if ($results ne '') { | |
445 | print "$results"; | |
446 | } | |
447 | ||
448 | &Header::closebox(); | |
395e3b90 MT |
449 | ####################### Added for snort rules control ################################# |
450 | if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) { | |
451 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); | |
452 | # Output display table for rule files | |
46dff713 | 453 | print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>"; |
395e3b90 MT |
454 | |
455 | print "<form method='post'>"; | |
456 | ||
457 | # Local vars | |
458 | my $ruledisplaycnt = 1; | |
459 | my $rulecnt = keys %snortrules; | |
460 | $rulecnt++; | |
461 | $rulecnt = $rulecnt / 2; | |
462 | ||
463 | # Loop over each rule file | |
464 | foreach my $rulefile (sort keys(%snortrules)) { | |
465 | my $rulechecked = ''; | |
466 | ||
467 | # Check if reached half-way through rule file rules to start new column | |
468 | if ($ruledisplaycnt > $rulecnt) { | |
46dff713 | 469 | print "</TABLE></TD><TD VALIGN='TOP'><TABLE>"; |
395e3b90 MT |
470 | $ruledisplaycnt = 0; |
471 | } | |
472 | ||
473 | # Check if rule file is enabled | |
474 | if ($snortrules{$rulefile}{"State"} eq 'Enabled') { | |
475 | $rulechecked = 'CHECKED'; | |
476 | } | |
477 | ||
478 | # Create rule file link, vars array, and display flag | |
479 | my $rulefilelink = "?RULEFILE=$rulefile"; | |
480 | my $rulefiletoclose = ''; | |
481 | my @queryvars = (); | |
482 | my $displayrulefilerules = 0; | |
483 | ||
484 | # Check for passed in query string | |
485 | if ($ENV{'QUERY_STRING'}) { | |
486 | # Split out vars | |
487 | @queryvars = split(/\&/, $ENV{'QUERY_STRING'}); | |
488 | ||
489 | # Loop over values | |
490 | foreach $value (@queryvars) { | |
491 | # Split out var pairs | |
492 | ($var, $linkedrulefile) = split(/=/, $value); | |
493 | ||
494 | # Check if var is 'RULEFILE' | |
495 | if ($var eq 'RULEFILE') { | |
496 | # Check if rulefile equals linkedrulefile | |
497 | if ($rulefile eq $linkedrulefile) { | |
498 | # Set display flag | |
499 | $displayrulefilerules = 1; | |
500 | ||
501 | # Strip out rulefile from rulefilelink | |
502 | $rulefilelink =~ s/RULEFILE=$linkedrulefile//g; | |
503 | } else { | |
504 | # Add linked rule file to rulefilelink | |
505 | $rulefilelink .= "&RULEFILE=$linkedrulefile"; | |
506 | } | |
507 | } | |
508 | } | |
509 | } | |
510 | ||
511 | # Strip out extra & & ? from rulefilelink | |
512 | $rulefilelink =~ s/^\?\&/\?/i; | |
513 | ||
514 | # Check for a single '?' and replace with page for proper link display | |
515 | if ($rulefilelink eq '?') { | |
516 | $rulefilelink = "ids.cgi"; | |
517 | } | |
518 | ||
519 | # Output rule file name and checkbox | |
520 | print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>"; | |
521 | print "<TR><TD CLASS='base' VALIGN='TOP'>"; | |
522 | ||
523 | # Check for empty 'Description' | |
524 | if ($snortrules{$rulefile}{'Description'} eq '') { | |
46dff713 | 525 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>"; |
395e3b90 MT |
526 | } else { |
527 | # Output rule file 'Description' | |
46dff713 | 528 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>"; |
395e3b90 MT |
529 | } |
530 | ||
531 | # Check for display flag | |
532 | if ($displayrulefilerules) { | |
533 | # Rule file definition rule display | |
46dff713 | 534 | print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>"; |
395e3b90 MT |
535 | |
536 | # Local vars | |
537 | my $ruledefdisplaycnt = 0; | |
538 | my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}}; | |
539 | $ruledefcnt++; | |
540 | $ruledefcnt = $ruledefcnt / 2; | |
541 | ||
542 | # Loop over rule file rules | |
543 | foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) { | |
544 | # Local vars | |
545 | my $ruledefchecked = ''; | |
546 | ||
547 | # If have display 2 rules, start new row | |
548 | if (($ruledefdisplaycnt % 2) == 0) { | |
549 | print "</TR><TR>"; | |
550 | $ruledefdisplaycnt = 0; | |
551 | } | |
552 | ||
553 | # Check for rules state | |
554 | if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') { | |
555 | $ruledefchecked = 'CHECKED'; | |
556 | } | |
557 | ||
558 | # Create rule file rule's checkbox | |
559 | $checkboxname = "SNORT_RULE_$rulefile"; | |
560 | $checkboxname .= "_$ruledef"; | |
561 | print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>"; | |
562 | ||
563 | # Increment count | |
564 | $ruledefdisplaycnt++; | |
565 | } | |
566 | ||
567 | # If do not have second rule for row, create empty cell | |
568 | if (($ruledefdisplaycnt % 2) != 0) { | |
569 | print "<TD CLASS='base'></TD>"; | |
570 | } | |
571 | ||
572 | # Close display table | |
573 | print "</TR></TABLE></TD></TR>"; | |
574 | } | |
575 | ||
576 | # Close display table | |
577 | print "</TABLE>"; | |
578 | ||
579 | # Increment ruledisplaycnt | |
580 | $ruledisplaycnt++; | |
581 | } | |
582 | ||
583 | print "</TD></TR></TABLE></TD></TR></TABLE>"; | |
584 | print <<END | |
585 | <table width='100%'> | |
586 | <tr> | |
587 | <td width='33%'> </td> | |
588 | <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td> | |
589 | <td width='33%'> | |
590 | <!-- space for future online help link --> | |
591 | </td> | |
592 | </tr> | |
593 | </table> | |
594 | </form> | |
595 | END | |
596 | ; | |
597 | &Header::closebox(); | |
598 | } | |
599 | ####################### End added for snort rules control ################################# | |
ac1cfefa MT |
600 | &Header::closebigbox(); |
601 | &Header::closepage(); | |
602 | ||
603 | sub getmd5 { | |
604 | # Retrieve MD5 sum from $url.md5 file | |
605 | # | |
606 | my $md5buf = &geturl("$url.md5"); | |
607 | return undef unless $md5buf; | |
608 | ||
609 | if (0) { # 1 to debug | |
610 | my $filename=''; | |
611 | my $fh=''; | |
612 | ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.md5' ); | |
613 | binmode ($fh); | |
614 | syswrite ($fh, $md5buf->content); | |
615 | close($fh); | |
616 | } | |
617 | return $md5buf->content; | |
618 | } | |
619 | sub downloadrulesfile { | |
620 | my $return = &geturl($url); | |
621 | return undef unless $return; | |
622 | ||
623 | if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning | |
624 | $errormessage = $Lang::tr{'invalid loaded file'}; | |
625 | return undef; | |
626 | } | |
627 | ||
628 | my $filename=''; | |
629 | my $fh=''; | |
630 | ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension | |
631 | binmode ($fh); | |
632 | syswrite ($fh, $return->content); | |
633 | close($fh); | |
634 | return $filename; | |
635 | } | |
636 | ||
637 | sub geturl ($) { | |
638 | my $url=$_[0]; | |
639 | ||
640 | unless (-e "${General::swroot}/red/active") { | |
641 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
642 | return undef; | |
643 | } | |
644 | ||
645 | my $downloader = LWP::UserAgent->new; | |
646 | $downloader->timeout(5); | |
647 | ||
648 | my %proxysettings=(); | |
649 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
650 | ||
651 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
652 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
653 | if ($proxysettings{'UPSTREAM_USER'}) { | |
654 | $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/"); | |
655 | } else { | |
656 | $downloader->proxy("http","http://$peer:$peerport/"); | |
657 | } | |
658 | } | |
659 | ||
660 | my $return = $downloader->get($url,'Cache-Control','no-cache'); | |
661 | ||
662 | if ($return->code == 403) { | |
663 | $errormessage = $Lang::tr{'access refused with this oinkcode'}; | |
664 | return undef; | |
665 | } elsif (!$return->is_success()) { | |
666 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
667 | return undef; | |
668 | } | |
669 | ||
670 | return $return; | |
671 | ||
672 | } |