]>
Commit | Line | Data |
---|---|---|
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 | 38 | my %snortsettings=(); |
298723b9 | 39 | my %cgiparams=(); |
ac1cfefa | 40 | my %checked=(); |
5a3e0dca | 41 | my %selected=(); |
ac1cfefa MT |
42 | my %netsettings=(); |
43 | our $errormessage = ''; | |
ac1cfefa MT |
44 | our $results = ''; |
45 | our $tempdir = ''; | |
46 | our $url=''; | |
47 | &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); | |
48 | ||
49 | &Header::showhttpheaders(); | |
50 | ||
51 | $snortsettings{'ENABLE_SNORT'} = 'off'; | |
52 | $snortsettings{'ENABLE_SNORT_GREEN'} = 'off'; | |
53 | $snortsettings{'ENABLE_SNORT_BLUE'} = 'off'; | |
54 | $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off'; | |
55 | $snortsettings{'ACTION'} = ''; | |
5a3e0dca | 56 | $snortsettings{'RULES'} = ''; |
ac1cfefa MT |
57 | $snortsettings{'OINKCODE'} = ''; |
58 | $snortsettings{'INSTALLDATE'} = ''; | |
73231650 | 59 | $snortsettings{'FILE'} = ''; |
ac1cfefa | 60 | |
298723b9 SS |
61 | #Get GUI values |
62 | &Header::getcgihash(\%cgiparams); | |
ac1cfefa | 63 | |
422204ff | 64 | my $snortrulepath = "/etc/snort/rules"; |
395e3b90 MT |
65 | my $restartsnortrequired = 0; |
66 | my %snortrules; | |
67 | my $rule = ''; | |
68 | my $table1colour = ''; | |
69 | my $table2colour = ''; | |
70 | my $var = ''; | |
71 | my $value = ''; | |
72 | my $tmp = ''; | |
73 | my $linkedrulefile = ''; | |
74 | my $border = ''; | |
75 | my $checkboxname = ''; | |
76 | ||
3da6e01b SS |
77 | ## Grab all available snort rules and store them in the snortrules hash. |
78 | # | |
422204ff SS |
79 | # Open snort rules directory and do a directory listing. |
80 | opendir(DIR, $snortrulepath) or die $!; | |
81 | # Loop through the direcory. | |
82 | while (my $file = readdir(DIR)) { | |
83 | ||
84 | # We only want files. | |
85 | next unless (-f "$snortrulepath/$file"); | |
86 | ||
87 | # Ignore empty files. | |
88 | next if (-z "$snortrulepath/$file"); | |
89 | ||
3da6e01b | 90 | # Use a regular expression to find files ending in .rules |
422204ff SS |
91 | next unless ($file =~ m/\.rules$/); |
92 | ||
3da6e01b SS |
93 | # Ignore files which are not read-able. |
94 | next unless (-R "$snortrulepath/$file"); | |
395e3b90 | 95 | |
3da6e01b SS |
96 | # Call subfunction to read-in rulefile and add rules to |
97 | # the snortrules hash. | |
98 | &readrulesfile("$file"); | |
395e3b90 | 99 | } |
395e3b90 | 100 | |
3da6e01b | 101 | closedir(DIR); |
395e3b90 | 102 | |
298723b9 SS |
103 | # Save ruleset. |
104 | if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) { | |
105 | my $enabled_sids_file = "${General::swroot}/snort/oinkmaster-enabled-sids.conf"; | |
106 | my $disabled_sids_file = "${General::swroot}/snort/oinkmaster-disabled-sids.conf"; | |
107 | ||
108 | # Arrays to store sid which should be added to the corresponding files. | |
109 | my @enabled_sids; | |
110 | my @disabled_sids; | |
111 | ||
112 | # Loop through the hash of snortrules. | |
113 | foreach my $rulefile(keys %snortrules) { | |
114 | # Loop through the single rules of the rulefile. | |
115 | foreach my $sid (keys %{$snortrules{$rulefile}}) { | |
116 | # Check if there exists a key in the cgiparams hash for this sid. | |
117 | if (exists($cgiparams{$sid})) { | |
118 | # Look if the rule is disabled. | |
119 | if ($snortrules{$rulefile}{$sid}{'State'} eq "off") { | |
120 | # Check if the state has been set to 'on'. | |
121 | if ($cgiparams{$sid} eq "on") { | |
122 | # Add the sid to the enabled_sids array. | |
123 | push(@enabled_sids, $sid); | |
124 | ||
125 | # Drop item from cgiparams hash. | |
126 | delete $cgiparams{$sid}; | |
127 | } | |
128 | } | |
129 | } else { | |
130 | # Look if the rule is enabled. | |
131 | if ($snortrules{$rulefile}{$sid}{'State'} eq "on") { | |
132 | # Check if the state is 'on' and should be disabled. | |
133 | # In this case there is no entry | |
134 | # for the sid in the cgiparams hash. | |
135 | # Add it to the disabled_sids array. | |
136 | push(@disabled_sids, $sid); | |
137 | ||
138 | # Drop item from cgiparams hash. | |
139 | delete $cgiparams{$sid}; | |
140 | } | |
141 | } | |
142 | } | |
143 | } | |
144 | ||
145 | # Check if the enabled_sids array contains any sid's. | |
146 | if (@enabled_sids) { | |
147 | # Open enabled sid's file for writing. | |
148 | open(FILE, ">$enabled_sids_file") or die "Could not write to $enabled_sids_file. $!\n"; | |
149 | ||
150 | # Write header to file. | |
151 | print FILE "#Autogenerated file. Any custom changes will be overwritten!\n"; | |
152 | ||
153 | # Loop through the array of enabled sids and write them to the file. | |
154 | foreach my $sid (@enabled_sids) { | |
155 | print FILE "enable_sid $sid\n"; | |
156 | } | |
157 | ||
158 | # Close file after writing. | |
159 | close(FILE); | |
160 | } | |
161 | ||
162 | # Check if the enabled_sids array contains any sid's. | |
163 | if (@disabled_sids) { | |
164 | # Open disabled sid's file for writing. | |
165 | open(FILE, ">$disabled_sids_file") or die "Could not write to $disabled_sids_file. $!\n"; | |
166 | ||
167 | # Write header to file. | |
168 | print FILE "#Autogenerated file. Any custom changes will be overwritten!\n"; | |
169 | ||
170 | # Loop through the array of disabled sids and write them to the file. | |
171 | foreach my $sid (@disabled_sids) { | |
172 | print FILE "disable_sid $sid\n"; | |
173 | } | |
174 | ||
175 | # Close file after writing. | |
176 | close(FILE); | |
177 | } | |
178 | } | |
179 | ||
a9a91e5f MT |
180 | if ($snortsettings{'OINKCODE'} ne "") { |
181 | $errormessage = $Lang::tr{'invalid input for oink code'} unless ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/); | |
ac1cfefa MT |
182 | } |
183 | ||
a9a91e5f MT |
184 | if (!$errormessage) { |
185 | if ($snortsettings{'RULES'} eq 'subscripted') { | |
9d79aea2 | 186 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; |
a9a91e5f | 187 | } elsif ($snortsettings{'RULES'} eq 'registered') { |
9d79aea2 | 188 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; |
a9a91e5f MT |
189 | } elsif ($snortsettings{'RULES'} eq 'community') { |
190 | $url=" https://www.snort.org/rules/community"; | |
ac1cfefa | 191 | } else { |
a9a91e5f | 192 | $url="http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz"; |
f9c2147d | 193 | } |
ac1cfefa | 194 | |
a9a91e5f MT |
195 | if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" ) { |
196 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
197 | if ($snortsettings{'ENABLE_SNORT'} eq 'on') | |
198 | { | |
199 | system ('/usr/bin/touch', "${General::swroot}/snort/enable"); | |
200 | } else { | |
201 | unlink "${General::swroot}/snort/enable"; | |
202 | } | |
203 | if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on') | |
204 | { | |
205 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_green"); | |
206 | } else { | |
207 | unlink "${General::swroot}/snort/enable_green"; | |
208 | } | |
209 | if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on') | |
210 | { | |
211 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue"); | |
212 | } else { | |
213 | unlink "${General::swroot}/snort/enable_blue"; | |
214 | } | |
215 | if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on') | |
216 | { | |
217 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange"); | |
218 | } else { | |
219 | unlink "${General::swroot}/snort/enable_orange"; | |
220 | } | |
221 | if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on') | |
222 | { | |
223 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect"); | |
224 | } else { | |
225 | unlink "${General::swroot}/snort/enable_preprocessor_http_inspect"; | |
226 | } | |
395e3b90 | 227 | |
a9a91e5f MT |
228 | system('/usr/local/bin/snortctrl restart >/dev/null'); |
229 | } | |
a27c40a0 | 230 | |
a9a91e5f | 231 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash |
ac1cfefa | 232 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); |
ac1cfefa | 233 | |
fbd43017 | 234 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { |
a9a91e5f MT |
235 | my @df = `/bin/df -B M /var`; |
236 | foreach my $line (@df) { | |
237 | next if $line =~ m/^Filesystem/; | |
238 | my $return; | |
239 | ||
240 | if ($line =~ m/dev/ ) { | |
241 | $line =~ m/^.* (\d+)M.*$/; | |
242 | my @temp = split(/ +/,$line); | |
243 | if ($1<300) { | |
244 | $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB"; | |
245 | } else { | |
246 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
247 | &downloadrulesfile(); | |
248 | sleep(3); | |
249 | $return = `cat /var/tmp/log 2>/dev/null`; | |
250 | ||
73231650 | 251 | } |
73231650 | 252 | |
a9a91e5f | 253 | if ($return =~ "ERROR") { |
73231650 CS |
254 | $errormessage = "<br /><pre>".$return."</pre>"; |
255 | } else { | |
256 | 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 &"); | |
257 | sleep(2); | |
32810952 | 258 | } |
a9a91e5f | 259 | } |
ac1cfefa | 260 | } |
ac1cfefa MT |
261 | } |
262 | } | |
263 | } | |
264 | ||
265 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
266 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
267 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
268 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
269 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
270 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
271 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
272 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
273 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
274 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
275 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
276 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
5a3e0dca | 277 | $selected{'RULES'}{'nothing'} = ''; |
5a3e0dca | 278 | $selected{'RULES'}{'community'} = ''; |
a0fa489f | 279 | $selected{'RULES'}{'emerging'} = ''; |
5a3e0dca MT |
280 | $selected{'RULES'}{'registered'} = ''; |
281 | $selected{'RULES'}{'subscripted'} = ''; | |
282 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
ac1cfefa MT |
283 | |
284 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
285 | ||
17726644 SS |
286 | ### Java Script ### |
287 | print <<END | |
288 | <script> | |
289 | // Tiny java script function to show/hide the rules | |
290 | // of a given category. | |
291 | function showhide(tblname) { | |
292 | \$("#" + tblname).toggle(); | |
293 | } | |
294 | </script> | |
295 | END | |
296 | ; | |
297 | ||
ac1cfefa MT |
298 | &Header::openbigbox('100%', 'left', '', $errormessage); |
299 | ||
90c2e164 CS |
300 | ############### |
301 | # DEBUG DEBUG | |
302 | # &Header::openbox('100%', 'left', 'DEBUG'); | |
303 | # my $debugCount = 0; | |
304 | # foreach my $line (sort keys %snortsettings) { | |
305 | # print "$line = $snortsettings{$line}<br />\n"; | |
306 | # $debugCount++; | |
307 | # } | |
308 | # print " Count: $debugCount\n"; | |
309 | # &Header::closebox(); | |
310 | # DEBUG DEBUG | |
311 | ############### | |
312 | ||
ac1cfefa MT |
313 | if ($errormessage) { |
314 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
315 | print "<class name='base'>$errormessage\n"; | |
316 | print " </class>\n"; | |
317 | &Header::closebox(); | |
318 | } | |
319 | ||
73231650 CS |
320 | my $return = `pidof oinkmaster.pl -x`; |
321 | chomp($return); | |
322 | if ($return) { | |
323 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" ); | |
324 | print <<END; | |
325 | <table> | |
326 | <tr><td> | |
327 | <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /> | |
328 | <td> | |
329 | $Lang::tr{'snort working'} | |
330 | <tr><td colspan='2' align='center'> | |
331 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
f8aa0679 | 332 | <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' /> |
73231650 CS |
333 | </form> |
334 | <tr><td colspan='2' align='left'><pre> | |
335 | END | |
336 | my @output = `tail -20 /var/tmp/log`; | |
337 | foreach (@output) { | |
338 | print "$_"; | |
339 | } | |
340 | print <<END; | |
341 | </pre> | |
342 | </table> | |
343 | END | |
344 | &Header::closebox(); | |
345 | &Header::closebigbox(); | |
346 | &Header::closepage(); | |
347 | exit; | |
348 | refreshpage(); | |
349 | } | |
350 | ||
7cc8a0e5 | 351 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'}); |
ac1cfefa MT |
352 | print <<END |
353 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
1b73b07e | 354 | <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort |
ac1cfefa MT |
355 | END |
356 | ; | |
357 | if ($netsettings{'BLUE_DEV'} ne '') { | |
1b73b07e | 358 | print " <input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort"; |
ac1cfefa MT |
359 | } |
360 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
1b73b07e | 361 | print " <input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort"; |
ac1cfefa | 362 | } |
1b73b07e | 363 | print " <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort"; |
1b73b07e | 364 | |
ac1cfefa | 365 | print <<END |
1b73b07e | 366 | </td></tr> |
ac1cfefa | 367 | <tr> |
7cc8a0e5 | 368 | <td><br><br></td> |
ac1cfefa MT |
369 | </tr> |
370 | <tr> | |
371 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
372 | </tr> | |
373 | <tr> | |
5a3e0dca MT |
374 | <td><select name='RULES'> |
375 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
a0fa489f | 376 | <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option> |
5a3e0dca MT |
377 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> |
378 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
379 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
380 | </select> | |
381 | </td> | |
ac1cfefa MT |
382 | </tr> |
383 | <tr> | |
384 | <td><br /> | |
8d29504c | 385 | $Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br /> |
4935eb8b | 386 | $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'} |
ac1cfefa MT |
387 | </td> |
388 | </tr> | |
389 | <tr> | |
5a3e0dca | 390 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> |
ac1cfefa MT |
391 | </tr> |
392 | <tr> | |
7cc8a0e5 | 393 | <td width='30%' align='left'><br><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> |
ac1cfefa MT |
394 | END |
395 | ; | |
42d9192e | 396 | if ( -e "/var/tmp/snortrules.tar.gz"){ |
0972c650 CS |
397 | my @Info = stat("/var/tmp/snortrules.tar.gz"); |
398 | $snortsettings{'INSTALLDATE'} = localtime($Info[9]); | |
ac1cfefa | 399 | } |
32810952 CS |
400 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; |
401 | ||
ac1cfefa MT |
402 | print <<END |
403 | </tr> | |
404 | </table> | |
7cc8a0e5 | 405 | <br><br> |
ac1cfefa MT |
406 | <table width='100%'> |
407 | <tr> | |
7cc8a0e5 | 408 | <td align='right'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> |
ac1cfefa MT |
409 | </tr> |
410 | </table> | |
411 | </form> | |
412 | END | |
413 | ; | |
414 | ||
415 | if ($results ne '') { | |
416 | print "$results"; | |
417 | } | |
418 | ||
419 | &Header::closebox(); | |
fbfdb241 | 420 | |
f7fcd1c0 | 421 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); |
298723b9 SS |
422 | print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n"; |
423 | ||
f7fcd1c0 | 424 | # Output display table for rule files |
17726644 | 425 | print "<table width='100%'>\n"; |
ce0e83b3 | 426 | |
17726644 SS |
427 | # Local variable required for java script to show/hide |
428 | # rules of a rulefile. | |
429 | my $rulesetcount = 1; | |
f7fcd1c0 SS |
430 | |
431 | # Loop over each rule file | |
432 | foreach my $rulefile (sort keys(%snortrules)) { | |
433 | my $rulechecked = ''; | |
434 | ||
f7fcd1c0 | 435 | # Check if rule file is enabled |
298723b9 | 436 | if ($snortrules{$rulefile}{"State"} eq 'On') { |
f7fcd1c0 SS |
437 | $rulechecked = 'CHECKED'; |
438 | } | |
3ffee04b | 439 | |
17726644 SS |
440 | # Table and rows for the rule files. |
441 | print"<tr>\n"; | |
442 | print"<td class='base' width='5%'>\n"; | |
443 | print"<input type='checkbox' name='SNORT_RULE_$rulefile' $rulechecked>\n"; | |
444 | print"</td>\n"; | |
445 | print"<td class='base' width='90%'><b>$rulefile</b></td>\n"; | |
446 | print"<td class='base' width='5%' align='right'>\n"; | |
447 | print"<a href=\"javascript:showhide('ruleset$rulesetcount')\">SHOW</a>\n"; | |
448 | print"</td>\n"; | |
449 | print"</tr>\n"; | |
450 | ||
451 | # Rows which will be hidden per default and will contain the single rules. | |
452 | print"<tr style='display:none' id='ruleset$rulesetcount'>\n"; | |
453 | print"<td colspan='3'>\n"; | |
454 | ||
455 | # Local vars | |
456 | my $lines; | |
457 | my $rows; | |
458 | my $col; | |
459 | ||
460 | # New table for the single rules. | |
461 | print "<table width='100%'>\n"; | |
462 | ||
463 | # Loop over rule file rules | |
464 | foreach my $sid (sort {$a <=> $b} keys(%{$snortrules{$rulefile}})) { | |
f7fcd1c0 | 465 | # Local vars |
17726644 | 466 | my $ruledefchecked = ''; |
f9c2147d | 467 | |
17726644 SS |
468 | # If 2 rules have been displayed, start a new row |
469 | if (($lines % 2) == 0) { | |
470 | print "</tr><tr>\n"; | |
3ffee04b | 471 | |
17726644 SS |
472 | # Increase rows by once. |
473 | $rows++; | |
474 | } | |
f7fcd1c0 | 475 | |
17726644 SS |
476 | # Colour lines. |
477 | if ($rows % 2) { | |
478 | $col="bgcolor='$color{'color20'}'"; | |
479 | } else { | |
480 | $col="bgcolor='$color{'color22'}'"; | |
f7fcd1c0 SS |
481 | } |
482 | ||
17726644 | 483 | # Set rule state |
298723b9 | 484 | if ($snortrules{$rulefile}{$sid}{'State'} eq 'on') { |
17726644 | 485 | $ruledefchecked = 'CHECKED'; |
f7fcd1c0 | 486 | } |
3ffee04b | 487 | |
17726644 SS |
488 | # Create rule checkbox and display rule description |
489 | print "<td class='base' width='5%' align='right' $col>\n"; | |
490 | print "<input type='checkbox' NAME='$sid' $ruledefchecked>\n"; | |
491 | print "</td>\n"; | |
492 | print "<td class='base' width='45%' $col>$snortrules{$rulefile}{$sid}{'Description'}</td>"; | |
493 | ||
494 | # Increment rule count | |
495 | $lines++; | |
496 | } | |
497 | ||
498 | # If do not have a second rule for row, create empty cell | |
499 | if (($lines % 2) != 0) { | |
500 | print "<td class='base'></td>"; | |
f7fcd1c0 SS |
501 | } |
502 | ||
503 | # Close display table | |
17726644 | 504 | print "</tr></table></td></tr>"; |
3ffee04b | 505 | |
17726644 SS |
506 | # Finished whith the rule file, increase count. |
507 | $rulesetcount++; | |
f7fcd1c0 | 508 | } |
17726644 SS |
509 | |
510 | # Close display table | |
511 | print "</table>"; | |
512 | ||
f7fcd1c0 | 513 | print <<END |
2999f1d2 CS |
514 | <table width='100%'> |
515 | <tr> | |
298723b9 | 516 | <td width='100%' align='right'><input type='submit' name='RULESET' value='$Lang::tr{'update'}'> |
3ffee04b CS |
517 | <!-- space for future online help link --> |
518 | </td> | |
2999f1d2 CS |
519 | </tr> |
520 | </table> | |
298723b9 | 521 | </form> |
3ffee04b CS |
522 | END |
523 | ; | |
f7fcd1c0 | 524 | &Header::closebox(); |
395e3b90 | 525 | |
ac1cfefa MT |
526 | &Header::closebigbox(); |
527 | &Header::closepage(); | |
528 | ||
a70d269a SS |
529 | sub refreshpage { |
530 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" ); | |
531 | print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>"; | |
532 | &Header::closebox(); | |
533 | } | |
534 | ||
ac1cfefa | 535 | sub downloadrulesfile { |
73231650 CS |
536 | my $peer; |
537 | my $peerport; | |
ac1cfefa | 538 | |
73231650 | 539 | unlink("/var/tmp/log"); |
ac1cfefa MT |
540 | |
541 | unless (-e "${General::swroot}/red/active") { | |
542 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
543 | return undef; | |
544 | } | |
545 | ||
ac1cfefa MT |
546 | my %proxysettings=(); |
547 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
548 | ||
549 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
73231650 | 550 | ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); |
ac1cfefa MT |
551 | } |
552 | ||
73231650 | 553 | if ($peer) { |
1f606aef | 554 | system("wget -r --proxy=on --proxy-user=$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 | 555 | } else { |
1f606aef | 556 | system("wget -r -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url"); |
ac1cfefa | 557 | } |
ac1cfefa | 558 | } |
3da6e01b SS |
559 | |
560 | sub readrulesfile ($) { | |
561 | my $rulefile = shift; | |
562 | ||
563 | # Open rule file and read in contents | |
564 | open(RULEFILE, "$snortrulepath/$rulefile") or die "Unable to read $rulefile!"; | |
565 | ||
566 | # Store file content in an array. | |
567 | my @lines = <RULEFILE>; | |
568 | ||
569 | # Close file. | |
570 | close(RULEFILE); | |
571 | ||
572 | # Loop over rule file contents | |
573 | foreach my $line (@lines) { | |
574 | # Remove whitespaces. | |
575 | chomp $line; | |
576 | ||
577 | # Skip blank lines. | |
578 | next if ($line =~ /^\s*$/); | |
579 | ||
580 | # Local vars. | |
581 | my $sid; | |
582 | my $msg; | |
583 | ||
584 | # Gather rule sid and message from the ruleline. | |
585 | if ($line =~ m/.*msg:\"(.*?)\"\; .* sid:(.*?); /) { | |
586 | $msg = $1; | |
587 | $sid = $2; | |
588 | ||
589 | # Check if a rule has been found. | |
590 | if ($sid && $msg) { | |
591 | # Add rule to the snortrules hash. | |
592 | $snortrules{$rulefile}{$sid}{'Description'} = $msg; | |
593 | ||
594 | # Grab status of the rule. Check if ruleline starts with a "dash". | |
595 | if ($line =~ /^\#/) { | |
596 | # If yes, the rule is disabled. | |
298723b9 | 597 | $snortrules{$rulefile}{$sid}{'State'} = "off"; |
3da6e01b SS |
598 | } else { |
599 | # Otherwise the rule is enabled. | |
298723b9 | 600 | $snortrules{$rulefile}{$sid}{'State'} = "on"; |
3da6e01b SS |
601 | } |
602 | } | |
603 | } | |
604 | } | |
605 | } |