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ac1cfefa | 1 | #!/usr/bin/perl |
70df8302 MT |
2 | ############################################################################### |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
b6f571fa | 5 | # Copyright (C) 2007-2015 IPFire Team <info@ipfire.org> # |
70df8302 MT |
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 | ||
ac1cfefa MT |
22 | use strict; |
23 | ||
24 | # enable only the following on debugging purpose | |
90c2e164 CS |
25 | #use warnings; |
26 | #use CGI::Carp 'fatalsToBrowser'; | |
73231650 | 27 | use File::Copy; |
ac1cfefa | 28 | |
986e08d9 | 29 | require '/var/ipfire/general-functions.pl'; |
ac1cfefa MT |
30 | require "${General::swroot}/lang.pl"; |
31 | require "${General::swroot}/header.pl"; | |
32 | ||
f2fdd0c1 CS |
33 | my %color = (); |
34 | my %mainsettings = (); | |
35 | &General::readhash("${General::swroot}/main/settings", \%mainsettings); | |
36 | &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color); | |
37 | ||
ac1cfefa MT |
38 | my %snortsettings=(); |
39 | my %checked=(); | |
5a3e0dca | 40 | my %selected=(); |
ac1cfefa MT |
41 | my %netsettings=(); |
42 | our $errormessage = ''; | |
ac1cfefa MT |
43 | our $results = ''; |
44 | our $tempdir = ''; | |
45 | our $url=''; | |
46 | &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); | |
47 | ||
48 | &Header::showhttpheaders(); | |
49 | ||
50 | $snortsettings{'ENABLE_SNORT'} = 'off'; | |
51 | $snortsettings{'ENABLE_SNORT_GREEN'} = 'off'; | |
52 | $snortsettings{'ENABLE_SNORT_BLUE'} = 'off'; | |
53 | $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off'; | |
54 | $snortsettings{'ACTION'} = ''; | |
5a3e0dca | 55 | $snortsettings{'RULES'} = ''; |
ac1cfefa MT |
56 | $snortsettings{'OINKCODE'} = ''; |
57 | $snortsettings{'INSTALLDATE'} = ''; | |
73231650 | 58 | $snortsettings{'FILE'} = ''; |
ac1cfefa MT |
59 | |
60 | &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'}); | |
61 | ||
422204ff | 62 | my $snortrulepath = "/etc/snort/rules"; |
395e3b90 MT |
63 | my $restartsnortrequired = 0; |
64 | my %snortrules; | |
65 | my $rule = ''; | |
66 | my $table1colour = ''; | |
67 | my $table2colour = ''; | |
68 | my $var = ''; | |
69 | my $value = ''; | |
70 | my $tmp = ''; | |
71 | my $linkedrulefile = ''; | |
72 | my $border = ''; | |
73 | my $checkboxname = ''; | |
74 | ||
3da6e01b SS |
75 | ## Grab all available snort rules and store them in the snortrules hash. |
76 | # | |
422204ff SS |
77 | # Open snort rules directory and do a directory listing. |
78 | opendir(DIR, $snortrulepath) or die $!; | |
79 | # Loop through the direcory. | |
80 | while (my $file = readdir(DIR)) { | |
81 | ||
82 | # We only want files. | |
83 | next unless (-f "$snortrulepath/$file"); | |
84 | ||
85 | # Ignore empty files. | |
86 | next if (-z "$snortrulepath/$file"); | |
87 | ||
3da6e01b | 88 | # Use a regular expression to find files ending in .rules |
422204ff SS |
89 | next unless ($file =~ m/\.rules$/); |
90 | ||
3da6e01b SS |
91 | # Ignore files which are not read-able. |
92 | next unless (-R "$snortrulepath/$file"); | |
395e3b90 | 93 | |
3da6e01b SS |
94 | # Call subfunction to read-in rulefile and add rules to |
95 | # the snortrules hash. | |
96 | &readrulesfile("$file"); | |
395e3b90 | 97 | } |
395e3b90 | 98 | |
3da6e01b | 99 | closedir(DIR); |
395e3b90 | 100 | |
a9a91e5f MT |
101 | if ($snortsettings{'OINKCODE'} ne "") { |
102 | $errormessage = $Lang::tr{'invalid input for oink code'} unless ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/); | |
ac1cfefa MT |
103 | } |
104 | ||
a9a91e5f MT |
105 | if (!$errormessage) { |
106 | if ($snortsettings{'RULES'} eq 'subscripted') { | |
9d79aea2 | 107 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; |
a9a91e5f | 108 | } elsif ($snortsettings{'RULES'} eq 'registered') { |
9d79aea2 | 109 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; |
a9a91e5f MT |
110 | } elsif ($snortsettings{'RULES'} eq 'community') { |
111 | $url=" https://www.snort.org/rules/community"; | |
ac1cfefa | 112 | } else { |
a9a91e5f | 113 | $url="http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz"; |
f9c2147d | 114 | } |
ac1cfefa | 115 | |
a9a91e5f MT |
116 | if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" ) { |
117 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
118 | if ($snortsettings{'ENABLE_SNORT'} eq 'on') | |
119 | { | |
120 | system ('/usr/bin/touch', "${General::swroot}/snort/enable"); | |
121 | } else { | |
122 | unlink "${General::swroot}/snort/enable"; | |
123 | } | |
124 | if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on') | |
125 | { | |
126 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_green"); | |
127 | } else { | |
128 | unlink "${General::swroot}/snort/enable_green"; | |
129 | } | |
130 | if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on') | |
131 | { | |
132 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue"); | |
133 | } else { | |
134 | unlink "${General::swroot}/snort/enable_blue"; | |
135 | } | |
136 | if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on') | |
137 | { | |
138 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange"); | |
139 | } else { | |
140 | unlink "${General::swroot}/snort/enable_orange"; | |
141 | } | |
142 | if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on') | |
143 | { | |
144 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect"); | |
145 | } else { | |
146 | unlink "${General::swroot}/snort/enable_preprocessor_http_inspect"; | |
147 | } | |
395e3b90 | 148 | |
a9a91e5f MT |
149 | system('/usr/local/bin/snortctrl restart >/dev/null'); |
150 | } | |
a27c40a0 | 151 | |
a9a91e5f | 152 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash |
ac1cfefa | 153 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); |
ac1cfefa | 154 | |
fbd43017 | 155 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { |
a9a91e5f MT |
156 | my @df = `/bin/df -B M /var`; |
157 | foreach my $line (@df) { | |
158 | next if $line =~ m/^Filesystem/; | |
159 | my $return; | |
160 | ||
161 | if ($line =~ m/dev/ ) { | |
162 | $line =~ m/^.* (\d+)M.*$/; | |
163 | my @temp = split(/ +/,$line); | |
164 | if ($1<300) { | |
165 | $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB"; | |
166 | } else { | |
167 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
168 | &downloadrulesfile(); | |
169 | sleep(3); | |
170 | $return = `cat /var/tmp/log 2>/dev/null`; | |
171 | ||
73231650 | 172 | } |
73231650 | 173 | |
a9a91e5f | 174 | if ($return =~ "ERROR") { |
73231650 CS |
175 | $errormessage = "<br /><pre>".$return."</pre>"; |
176 | } else { | |
177 | 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 &"); | |
178 | sleep(2); | |
32810952 | 179 | } |
a9a91e5f | 180 | } |
ac1cfefa | 181 | } |
ac1cfefa MT |
182 | } |
183 | } | |
184 | } | |
185 | ||
186 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
187 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
188 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
189 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
190 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
191 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
192 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
193 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
194 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
195 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
196 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
197 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
5a3e0dca | 198 | $selected{'RULES'}{'nothing'} = ''; |
5a3e0dca | 199 | $selected{'RULES'}{'community'} = ''; |
a0fa489f | 200 | $selected{'RULES'}{'emerging'} = ''; |
5a3e0dca MT |
201 | $selected{'RULES'}{'registered'} = ''; |
202 | $selected{'RULES'}{'subscripted'} = ''; | |
203 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
ac1cfefa MT |
204 | |
205 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
206 | ||
17726644 SS |
207 | ### Java Script ### |
208 | print <<END | |
209 | <script> | |
210 | // Tiny java script function to show/hide the rules | |
211 | // of a given category. | |
212 | function showhide(tblname) { | |
213 | \$("#" + tblname).toggle(); | |
214 | } | |
215 | </script> | |
216 | END | |
217 | ; | |
218 | ||
ac1cfefa MT |
219 | &Header::openbigbox('100%', 'left', '', $errormessage); |
220 | ||
90c2e164 CS |
221 | ############### |
222 | # DEBUG DEBUG | |
223 | # &Header::openbox('100%', 'left', 'DEBUG'); | |
224 | # my $debugCount = 0; | |
225 | # foreach my $line (sort keys %snortsettings) { | |
226 | # print "$line = $snortsettings{$line}<br />\n"; | |
227 | # $debugCount++; | |
228 | # } | |
229 | # print " Count: $debugCount\n"; | |
230 | # &Header::closebox(); | |
231 | # DEBUG DEBUG | |
232 | ############### | |
233 | ||
ac1cfefa MT |
234 | if ($errormessage) { |
235 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
236 | print "<class name='base'>$errormessage\n"; | |
237 | print " </class>\n"; | |
238 | &Header::closebox(); | |
239 | } | |
240 | ||
73231650 CS |
241 | my $return = `pidof oinkmaster.pl -x`; |
242 | chomp($return); | |
243 | if ($return) { | |
244 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" ); | |
245 | print <<END; | |
246 | <table> | |
247 | <tr><td> | |
248 | <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /> | |
249 | <td> | |
250 | $Lang::tr{'snort working'} | |
251 | <tr><td colspan='2' align='center'> | |
252 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
f8aa0679 | 253 | <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' /> |
73231650 CS |
254 | </form> |
255 | <tr><td colspan='2' align='left'><pre> | |
256 | END | |
257 | my @output = `tail -20 /var/tmp/log`; | |
258 | foreach (@output) { | |
259 | print "$_"; | |
260 | } | |
261 | print <<END; | |
262 | </pre> | |
263 | </table> | |
264 | END | |
265 | &Header::closebox(); | |
266 | &Header::closebigbox(); | |
267 | &Header::closepage(); | |
268 | exit; | |
269 | refreshpage(); | |
270 | } | |
271 | ||
7cc8a0e5 | 272 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'}); |
ac1cfefa MT |
273 | print <<END |
274 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
1b73b07e | 275 | <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort |
ac1cfefa MT |
276 | END |
277 | ; | |
278 | if ($netsettings{'BLUE_DEV'} ne '') { | |
1b73b07e | 279 | print " <input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort"; |
ac1cfefa MT |
280 | } |
281 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
1b73b07e | 282 | print " <input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort"; |
ac1cfefa | 283 | } |
1b73b07e | 284 | print " <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort"; |
1b73b07e | 285 | |
ac1cfefa | 286 | print <<END |
1b73b07e | 287 | </td></tr> |
ac1cfefa | 288 | <tr> |
7cc8a0e5 | 289 | <td><br><br></td> |
ac1cfefa MT |
290 | </tr> |
291 | <tr> | |
292 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
293 | </tr> | |
294 | <tr> | |
5a3e0dca MT |
295 | <td><select name='RULES'> |
296 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
a0fa489f | 297 | <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option> |
5a3e0dca MT |
298 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> |
299 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
300 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
301 | </select> | |
302 | </td> | |
ac1cfefa MT |
303 | </tr> |
304 | <tr> | |
305 | <td><br /> | |
8d29504c | 306 | $Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br /> |
4935eb8b | 307 | $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'} |
ac1cfefa MT |
308 | </td> |
309 | </tr> | |
310 | <tr> | |
5a3e0dca | 311 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> |
ac1cfefa MT |
312 | </tr> |
313 | <tr> | |
7cc8a0e5 | 314 | <td width='30%' align='left'><br><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> |
ac1cfefa MT |
315 | END |
316 | ; | |
42d9192e | 317 | if ( -e "/var/tmp/snortrules.tar.gz"){ |
0972c650 CS |
318 | my @Info = stat("/var/tmp/snortrules.tar.gz"); |
319 | $snortsettings{'INSTALLDATE'} = localtime($Info[9]); | |
ac1cfefa | 320 | } |
32810952 CS |
321 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; |
322 | ||
ac1cfefa MT |
323 | print <<END |
324 | </tr> | |
325 | </table> | |
7cc8a0e5 | 326 | <br><br> |
ac1cfefa MT |
327 | <table width='100%'> |
328 | <tr> | |
7cc8a0e5 | 329 | <td align='right'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> |
ac1cfefa MT |
330 | </tr> |
331 | </table> | |
332 | </form> | |
333 | END | |
334 | ; | |
335 | ||
336 | if ($results ne '') { | |
337 | print "$results"; | |
338 | } | |
339 | ||
340 | &Header::closebox(); | |
fbfdb241 | 341 | |
f7fcd1c0 SS |
342 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); |
343 | # Output display table for rule files | |
17726644 | 344 | print "<table width='100%'>\n"; |
ce0e83b3 | 345 | |
17726644 SS |
346 | # Local variable required for java script to show/hide |
347 | # rules of a rulefile. | |
348 | my $rulesetcount = 1; | |
f7fcd1c0 SS |
349 | |
350 | # Loop over each rule file | |
351 | foreach my $rulefile (sort keys(%snortrules)) { | |
352 | my $rulechecked = ''; | |
353 | ||
f7fcd1c0 SS |
354 | # Check if rule file is enabled |
355 | if ($snortrules{$rulefile}{"State"} eq 'Enabled') { | |
356 | $rulechecked = 'CHECKED'; | |
357 | } | |
3ffee04b | 358 | |
17726644 SS |
359 | # Table and rows for the rule files. |
360 | print"<tr>\n"; | |
361 | print"<td class='base' width='5%'>\n"; | |
362 | print"<input type='checkbox' name='SNORT_RULE_$rulefile' $rulechecked>\n"; | |
363 | print"</td>\n"; | |
364 | print"<td class='base' width='90%'><b>$rulefile</b></td>\n"; | |
365 | print"<td class='base' width='5%' align='right'>\n"; | |
366 | print"<a href=\"javascript:showhide('ruleset$rulesetcount')\">SHOW</a>\n"; | |
367 | print"</td>\n"; | |
368 | print"</tr>\n"; | |
369 | ||
370 | # Rows which will be hidden per default and will contain the single rules. | |
371 | print"<tr style='display:none' id='ruleset$rulesetcount'>\n"; | |
372 | print"<td colspan='3'>\n"; | |
373 | ||
374 | # Local vars | |
375 | my $lines; | |
376 | my $rows; | |
377 | my $col; | |
378 | ||
379 | # New table for the single rules. | |
380 | print "<table width='100%'>\n"; | |
381 | ||
382 | # Loop over rule file rules | |
383 | foreach my $sid (sort {$a <=> $b} keys(%{$snortrules{$rulefile}})) { | |
f7fcd1c0 | 384 | # Local vars |
17726644 | 385 | my $ruledefchecked = ''; |
f9c2147d | 386 | |
17726644 SS |
387 | # If 2 rules have been displayed, start a new row |
388 | if (($lines % 2) == 0) { | |
389 | print "</tr><tr>\n"; | |
3ffee04b | 390 | |
17726644 SS |
391 | # Increase rows by once. |
392 | $rows++; | |
393 | } | |
f7fcd1c0 | 394 | |
17726644 SS |
395 | # Colour lines. |
396 | if ($rows % 2) { | |
397 | $col="bgcolor='$color{'color20'}'"; | |
398 | } else { | |
399 | $col="bgcolor='$color{'color22'}'"; | |
f7fcd1c0 SS |
400 | } |
401 | ||
17726644 SS |
402 | # Set rule state |
403 | if ($snortrules{$rulefile}{$sid}{'State'} eq 'Enabled') { | |
404 | $ruledefchecked = 'CHECKED'; | |
f7fcd1c0 | 405 | } |
3ffee04b | 406 | |
17726644 SS |
407 | # Create rule checkbox and display rule description |
408 | print "<td class='base' width='5%' align='right' $col>\n"; | |
409 | print "<input type='checkbox' NAME='$sid' $ruledefchecked>\n"; | |
410 | print "</td>\n"; | |
411 | print "<td class='base' width='45%' $col>$snortrules{$rulefile}{$sid}{'Description'}</td>"; | |
412 | ||
413 | # Increment rule count | |
414 | $lines++; | |
415 | } | |
416 | ||
417 | # If do not have a second rule for row, create empty cell | |
418 | if (($lines % 2) != 0) { | |
419 | print "<td class='base'></td>"; | |
f7fcd1c0 SS |
420 | } |
421 | ||
422 | # Close display table | |
17726644 | 423 | print "</tr></table></td></tr>"; |
3ffee04b | 424 | |
17726644 SS |
425 | # Finished whith the rule file, increase count. |
426 | $rulesetcount++; | |
f7fcd1c0 | 427 | } |
17726644 SS |
428 | |
429 | # Close display table | |
430 | print "</table>"; | |
431 | ||
f7fcd1c0 | 432 | print <<END |
2999f1d2 CS |
433 | <table width='100%'> |
434 | <tr> | |
17726644 | 435 | <td width='100%' align='right'><input type='submit' name='ACTION' value='$Lang::tr{'update'}'> |
3ffee04b CS |
436 | <!-- space for future online help link --> |
437 | </td> | |
2999f1d2 CS |
438 | </tr> |
439 | </table> | |
3ffee04b CS |
440 | END |
441 | ; | |
f7fcd1c0 | 442 | &Header::closebox(); |
395e3b90 | 443 | |
ac1cfefa MT |
444 | &Header::closebigbox(); |
445 | &Header::closepage(); | |
446 | ||
a70d269a SS |
447 | sub refreshpage { |
448 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" ); | |
449 | print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>"; | |
450 | &Header::closebox(); | |
451 | } | |
452 | ||
ac1cfefa | 453 | sub downloadrulesfile { |
73231650 CS |
454 | my $peer; |
455 | my $peerport; | |
ac1cfefa | 456 | |
73231650 | 457 | unlink("/var/tmp/log"); |
ac1cfefa MT |
458 | |
459 | unless (-e "${General::swroot}/red/active") { | |
460 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
461 | return undef; | |
462 | } | |
463 | ||
ac1cfefa MT |
464 | my %proxysettings=(); |
465 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
466 | ||
467 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
73231650 | 468 | ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); |
ac1cfefa MT |
469 | } |
470 | ||
73231650 | 471 | if ($peer) { |
1f606aef | 472 | system("wget -r --proxy=on --proxy-user=$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"); |
73231650 | 473 | } else { |
1f606aef | 474 | system("wget -r -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url"); |
ac1cfefa | 475 | } |
ac1cfefa | 476 | } |
3da6e01b SS |
477 | |
478 | sub readrulesfile ($) { | |
479 | my $rulefile = shift; | |
480 | ||
481 | # Open rule file and read in contents | |
482 | open(RULEFILE, "$snortrulepath/$rulefile") or die "Unable to read $rulefile!"; | |
483 | ||
484 | # Store file content in an array. | |
485 | my @lines = <RULEFILE>; | |
486 | ||
487 | # Close file. | |
488 | close(RULEFILE); | |
489 | ||
490 | # Loop over rule file contents | |
491 | foreach my $line (@lines) { | |
492 | # Remove whitespaces. | |
493 | chomp $line; | |
494 | ||
495 | # Skip blank lines. | |
496 | next if ($line =~ /^\s*$/); | |
497 | ||
498 | # Local vars. | |
499 | my $sid; | |
500 | my $msg; | |
501 | ||
502 | # Gather rule sid and message from the ruleline. | |
503 | if ($line =~ m/.*msg:\"(.*?)\"\; .* sid:(.*?); /) { | |
504 | $msg = $1; | |
505 | $sid = $2; | |
506 | ||
507 | # Check if a rule has been found. | |
508 | if ($sid && $msg) { | |
509 | # Add rule to the snortrules hash. | |
510 | $snortrules{$rulefile}{$sid}{'Description'} = $msg; | |
511 | ||
512 | # Grab status of the rule. Check if ruleline starts with a "dash". | |
513 | if ($line =~ /^\#/) { | |
514 | # If yes, the rule is disabled. | |
515 | $snortrules{$rulefile}{$sid}{'State'} = "Disabled"; | |
516 | } else { | |
517 | # Otherwise the rule is enabled. | |
518 | $snortrules{$rulefile}{$sid}{'State'} = "Enabled"; | |
519 | } | |
520 | } | |
521 | } | |
522 | } | |
523 | } |