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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 | ||
2c01f467 | 207 | print "<script type='text/javascript' src='/include/snortupdateutility.js'></script>"; |
395e3b90 | 208 | print <<END |
e6d8a421 | 209 | <style type="text/css"> |
395e3b90 MT |
210 | <!-- |
211 | .section { | |
212 | border: groove; | |
213 | } | |
214 | .row1color { | |
215 | border: ridge; | |
f2fdd0c1 | 216 | background-color: $color{'color22'}; |
395e3b90 MT |
217 | } |
218 | .row2color { | |
219 | border: ridge; | |
f2fdd0c1 | 220 | background-color: $color{'color20'}; |
395e3b90 MT |
221 | } |
222 | .rowselected { | |
223 | border: double #FF0000; | |
224 | background-color: #DCDCDC; | |
225 | } | |
226 | --> | |
e6d8a421 | 227 | </style> |
395e3b90 MT |
228 | END |
229 | ; | |
395e3b90 | 230 | |
ac1cfefa MT |
231 | &Header::openbigbox('100%', 'left', '', $errormessage); |
232 | ||
90c2e164 CS |
233 | ############### |
234 | # DEBUG DEBUG | |
235 | # &Header::openbox('100%', 'left', 'DEBUG'); | |
236 | # my $debugCount = 0; | |
237 | # foreach my $line (sort keys %snortsettings) { | |
238 | # print "$line = $snortsettings{$line}<br />\n"; | |
239 | # $debugCount++; | |
240 | # } | |
241 | # print " Count: $debugCount\n"; | |
242 | # &Header::closebox(); | |
243 | # DEBUG DEBUG | |
244 | ############### | |
245 | ||
ac1cfefa MT |
246 | if ($errormessage) { |
247 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
248 | print "<class name='base'>$errormessage\n"; | |
249 | print " </class>\n"; | |
250 | &Header::closebox(); | |
251 | } | |
252 | ||
73231650 CS |
253 | my $return = `pidof oinkmaster.pl -x`; |
254 | chomp($return); | |
255 | if ($return) { | |
256 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" ); | |
257 | print <<END; | |
258 | <table> | |
259 | <tr><td> | |
260 | <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /> | |
261 | <td> | |
262 | $Lang::tr{'snort working'} | |
263 | <tr><td colspan='2' align='center'> | |
264 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
f8aa0679 | 265 | <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' /> |
73231650 CS |
266 | </form> |
267 | <tr><td colspan='2' align='left'><pre> | |
268 | END | |
269 | my @output = `tail -20 /var/tmp/log`; | |
270 | foreach (@output) { | |
271 | print "$_"; | |
272 | } | |
273 | print <<END; | |
274 | </pre> | |
275 | </table> | |
276 | END | |
277 | &Header::closebox(); | |
278 | &Header::closebigbox(); | |
279 | &Header::closepage(); | |
280 | exit; | |
281 | refreshpage(); | |
282 | } | |
283 | ||
7cc8a0e5 | 284 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'}); |
ac1cfefa MT |
285 | print <<END |
286 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
1b73b07e | 287 | <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort |
ac1cfefa MT |
288 | END |
289 | ; | |
290 | if ($netsettings{'BLUE_DEV'} ne '') { | |
1b73b07e | 291 | print " <input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort"; |
ac1cfefa MT |
292 | } |
293 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
1b73b07e | 294 | print " <input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort"; |
ac1cfefa | 295 | } |
1b73b07e | 296 | print " <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort"; |
1b73b07e | 297 | |
ac1cfefa | 298 | print <<END |
1b73b07e | 299 | </td></tr> |
ac1cfefa | 300 | <tr> |
7cc8a0e5 | 301 | <td><br><br></td> |
ac1cfefa MT |
302 | </tr> |
303 | <tr> | |
304 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
305 | </tr> | |
306 | <tr> | |
5a3e0dca MT |
307 | <td><select name='RULES'> |
308 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
a0fa489f | 309 | <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option> |
5a3e0dca MT |
310 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> |
311 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
312 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
313 | </select> | |
314 | </td> | |
ac1cfefa MT |
315 | </tr> |
316 | <tr> | |
317 | <td><br /> | |
8d29504c | 318 | $Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br /> |
4935eb8b | 319 | $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'} |
ac1cfefa MT |
320 | </td> |
321 | </tr> | |
322 | <tr> | |
5a3e0dca | 323 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> |
ac1cfefa MT |
324 | </tr> |
325 | <tr> | |
7cc8a0e5 | 326 | <td width='30%' align='left'><br><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> |
ac1cfefa MT |
327 | END |
328 | ; | |
42d9192e | 329 | if ( -e "/var/tmp/snortrules.tar.gz"){ |
0972c650 CS |
330 | my @Info = stat("/var/tmp/snortrules.tar.gz"); |
331 | $snortsettings{'INSTALLDATE'} = localtime($Info[9]); | |
ac1cfefa | 332 | } |
32810952 CS |
333 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; |
334 | ||
ac1cfefa MT |
335 | print <<END |
336 | </tr> | |
337 | </table> | |
7cc8a0e5 | 338 | <br><br> |
ac1cfefa MT |
339 | <table width='100%'> |
340 | <tr> | |
7cc8a0e5 | 341 | <td align='right'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> |
ac1cfefa MT |
342 | </tr> |
343 | </table> | |
344 | </form> | |
345 | END | |
346 | ; | |
347 | ||
348 | if ($results ne '') { | |
349 | print "$results"; | |
350 | } | |
351 | ||
352 | &Header::closebox(); | |
fbfdb241 | 353 | |
3ffee04b CS |
354 | if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) { |
355 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); | |
356 | # Output display table for rule files | |
631b67b7 | 357 | print "<table width='100%'><tr><td valign='top'><table>"; |
f9c2147d | 358 | |
3ffee04b CS |
359 | print "<form method='post'>"; |
360 | ||
361 | # Local vars | |
362 | my $ruledisplaycnt = 1; | |
363 | my $rulecnt = keys %snortrules; | |
364 | $rulecnt++; | |
365 | $rulecnt = $rulecnt / 2; | |
366 | ||
367 | # Loop over each rule file | |
368 | foreach my $rulefile (sort keys(%snortrules)) { | |
369 | my $rulechecked = ''; | |
370 | ||
ce0e83b3 AF |
371 | # Hide inkompatible Block rules |
372 | if ($rulefile =~'-BLOCK.rules') { | |
373 | next; | |
374 | } | |
375 | ||
3ffee04b CS |
376 | # Check if reached half-way through rule file rules to start new column |
377 | if ($ruledisplaycnt > $rulecnt) { | |
631b67b7 | 378 | print "</table></td><td valign='top'><table>"; |
3ffee04b | 379 | $ruledisplaycnt = 0; |
2999f1d2 | 380 | } |
3ffee04b CS |
381 | |
382 | # Check if rule file is enabled | |
383 | if ($snortrules{$rulefile}{"State"} eq 'Enabled') { | |
384 | $rulechecked = 'CHECKED'; | |
385 | } | |
386 | ||
387 | # Create rule file link, vars array, and display flag | |
2999f1d2 | 388 | my $rulefilelink = "?RULEFILE=$rulefile"; |
3ffee04b CS |
389 | my $rulefiletoclose = ''; |
390 | my @queryvars = (); | |
391 | my $displayrulefilerules = 0; | |
392 | ||
393 | # Check for passed in query string | |
394 | if ($ENV{'QUERY_STRING'}) { | |
395 | # Split out vars | |
2999f1d2 | 396 | @queryvars = split(/\&/, $ENV{'QUERY_STRING'}); |
3ffee04b CS |
397 | |
398 | # Loop over values | |
399 | foreach $value (@queryvars) { | |
400 | # Split out var pairs | |
2999f1d2 | 401 | ($var, $linkedrulefile) = split(/=/, $value); |
3ffee04b CS |
402 | |
403 | # Check if var is 'RULEFILE' | |
404 | if ($var eq 'RULEFILE') { | |
405 | # Check if rulefile equals linkedrulefile | |
406 | if ($rulefile eq $linkedrulefile) { | |
407 | # Set display flag | |
408 | $displayrulefilerules = 1; | |
409 | ||
410 | # Strip out rulefile from rulefilelink | |
411 | $rulefilelink =~ s/RULEFILE=$linkedrulefile//g; | |
412 | } else { | |
413 | # Add linked rule file to rulefilelink | |
414 | $rulefilelink .= "&RULEFILE=$linkedrulefile"; | |
415 | } | |
416 | } | |
417 | } | |
418 | } | |
2999f1d2 | 419 | |
3ffee04b CS |
420 | # Strip out extra & & ? from rulefilelink |
421 | $rulefilelink =~ s/^\?\&/\?/i; | |
422 | ||
423 | # Check for a single '?' and replace with page for proper link display | |
424 | if ($rulefilelink eq '?') { | |
425 | $rulefilelink = "ids.cgi"; | |
426 | } | |
427 | ||
428 | # Output rule file name and checkbox | |
631b67b7 AH |
429 | print "<tr><td class='base' valign='top'><input type='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <a href='$rulefilelink'>$rulefile</a></td></tr>"; |
430 | print "<tr><td class='base' valign='top'>"; | |
3ffee04b CS |
431 | |
432 | # Check for empty 'Description' | |
433 | if ($snortrules{$rulefile}{'Description'} eq '') { | |
e6d8a421 | 434 | print "<table width='100%'><tr><td class='base'>No description available</td></tr>"; |
3ffee04b CS |
435 | } else { |
436 | # Output rule file 'Description' | |
e6d8a421 | 437 | print "<table width='100%'><tr><td class='base'>$snortrules{$rulefile}{'Description'}</td></tr>"; |
3ffee04b CS |
438 | } |
439 | ||
440 | # Check for display flag | |
441 | if ($displayrulefilerules) { | |
442 | # Rule file definition rule display | |
631b67b7 | 443 | print "<tr><td class='base' valign='top'><table border='0'><tr>"; |
3ffee04b CS |
444 | |
445 | # Local vars | |
446 | my $ruledefdisplaycnt = 0; | |
447 | my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}}; | |
448 | $ruledefcnt++; | |
449 | $ruledefcnt = $ruledefcnt / 2; | |
450 | ||
451 | # Loop over rule file rules | |
452 | foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) { | |
453 | # Local vars | |
454 | my $ruledefchecked = ''; | |
455 | ||
456 | # If have display 2 rules, start new row | |
457 | if (($ruledefdisplaycnt % 2) == 0) { | |
e6d8a421 | 458 | print "</tr><tr>"; |
3ffee04b CS |
459 | $ruledefdisplaycnt = 0; |
460 | } | |
461 | ||
462 | # Check for rules state | |
463 | if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') { | |
464 | $ruledefchecked = 'CHECKED'; | |
465 | } | |
466 | ||
467 | # Create rule file rule's checkbox | |
468 | $checkboxname = "SNORT_RULE_$rulefile"; | |
469 | $checkboxname .= "_$ruledef"; | |
e6d8a421 | 470 | print "<td class='base'><input type='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</td>"; |
3ffee04b CS |
471 | |
472 | # Increment count | |
473 | $ruledefdisplaycnt++; | |
474 | } | |
f9c2147d | 475 | |
3ffee04b CS |
476 | # If do not have second rule for row, create empty cell |
477 | if (($ruledefdisplaycnt % 2) != 0) { | |
e6d8a421 | 478 | print "<td class='base'></td>"; |
3ffee04b CS |
479 | } |
480 | ||
481 | # Close display table | |
e6d8a421 | 482 | print "</tr></table></td></tr>"; |
2999f1d2 | 483 | } |
3ffee04b CS |
484 | |
485 | # Close display table | |
e6d8a421 | 486 | print "</table>"; |
3ffee04b CS |
487 | |
488 | # Increment ruledisplaycnt | |
2999f1d2 | 489 | $ruledisplaycnt++; |
3ffee04b | 490 | } |
e6d8a421 | 491 | print "</td></tr></table></td></tr></table>"; |
3ffee04b | 492 | print <<END |
2999f1d2 CS |
493 | <table width='100%'> |
494 | <tr> | |
7cc8a0e5 | 495 | <td width='100%' align='right'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td> |
3ffee04b CS |
496 | <!-- space for future online help link --> |
497 | </td> | |
2999f1d2 CS |
498 | </tr> |
499 | </table> | |
500 | </form> | |
3ffee04b CS |
501 | END |
502 | ; | |
503 | &Header::closebox(); | |
504 | } | |
395e3b90 | 505 | |
ac1cfefa MT |
506 | &Header::closebigbox(); |
507 | &Header::closepage(); | |
508 | ||
a70d269a SS |
509 | sub refreshpage { |
510 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" ); | |
511 | print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>"; | |
512 | &Header::closebox(); | |
513 | } | |
514 | ||
ac1cfefa | 515 | sub downloadrulesfile { |
73231650 CS |
516 | my $peer; |
517 | my $peerport; | |
ac1cfefa | 518 | |
73231650 | 519 | unlink("/var/tmp/log"); |
ac1cfefa MT |
520 | |
521 | unless (-e "${General::swroot}/red/active") { | |
522 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
523 | return undef; | |
524 | } | |
525 | ||
ac1cfefa MT |
526 | my %proxysettings=(); |
527 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
528 | ||
529 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
73231650 | 530 | ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); |
ac1cfefa MT |
531 | } |
532 | ||
73231650 | 533 | if ($peer) { |
1f606aef | 534 | system("wget -r --proxy=on --proxy-user=$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 | 535 | } else { |
1f606aef | 536 | system("wget -r -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url"); |
ac1cfefa | 537 | } |
ac1cfefa | 538 | } |
3da6e01b SS |
539 | |
540 | sub readrulesfile ($) { | |
541 | my $rulefile = shift; | |
542 | ||
543 | # Open rule file and read in contents | |
544 | open(RULEFILE, "$snortrulepath/$rulefile") or die "Unable to read $rulefile!"; | |
545 | ||
546 | # Store file content in an array. | |
547 | my @lines = <RULEFILE>; | |
548 | ||
549 | # Close file. | |
550 | close(RULEFILE); | |
551 | ||
552 | # Loop over rule file contents | |
553 | foreach my $line (@lines) { | |
554 | # Remove whitespaces. | |
555 | chomp $line; | |
556 | ||
557 | # Skip blank lines. | |
558 | next if ($line =~ /^\s*$/); | |
559 | ||
560 | # Local vars. | |
561 | my $sid; | |
562 | my $msg; | |
563 | ||
564 | # Gather rule sid and message from the ruleline. | |
565 | if ($line =~ m/.*msg:\"(.*?)\"\; .* sid:(.*?); /) { | |
566 | $msg = $1; | |
567 | $sid = $2; | |
568 | ||
569 | # Check if a rule has been found. | |
570 | if ($sid && $msg) { | |
571 | # Add rule to the snortrules hash. | |
572 | $snortrules{$rulefile}{$sid}{'Description'} = $msg; | |
573 | ||
574 | # Grab status of the rule. Check if ruleline starts with a "dash". | |
575 | if ($line =~ /^\#/) { | |
576 | # If yes, the rule is disabled. | |
577 | $snortrules{$rulefile}{$sid}{'State'} = "Disabled"; | |
578 | } else { | |
579 | # Otherwise the rule is enabled. | |
580 | $snortrules{$rulefile}{$sid}{'State'} = "Enabled"; | |
581 | } | |
582 | } | |
583 | } | |
584 | } | |
585 | } |