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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 = (); | |
0b89daee | 35 | my %netsettings = (); |
ac1cfefa | 36 | my %snortsettings=(); |
298723b9 | 37 | my %cgiparams=(); |
ac1cfefa | 38 | my %checked=(); |
5a3e0dca | 39 | my %selected=(); |
0b89daee SS |
40 | |
41 | # Read-in main settings, for language, theme and colors. | |
42 | &General::readhash("${General::swroot}/main/settings", \%mainsettings); | |
43 | &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color); | |
44 | ||
45 | # Get netsettings. | |
ac1cfefa MT |
46 | &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); |
47 | ||
48 | &Header::showhttpheaders(); | |
49 | ||
0b89daee | 50 | # Default settings for snort. |
ac1cfefa MT |
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'} = ''; | |
ac1cfefa | 59 | |
298723b9 SS |
60 | #Get GUI values |
61 | &Header::getcgihash(\%cgiparams); | |
ac1cfefa | 62 | |
422204ff | 63 | my $snortrulepath = "/etc/snort/rules"; |
395e3b90 MT |
64 | my $restartsnortrequired = 0; |
65 | my %snortrules; | |
0b89daee SS |
66 | my $errormessage; |
67 | my $url; | |
395e3b90 | 68 | |
3da6e01b SS |
69 | ## Grab all available snort rules and store them in the snortrules hash. |
70 | # | |
422204ff SS |
71 | # Open snort rules directory and do a directory listing. |
72 | opendir(DIR, $snortrulepath) or die $!; | |
73 | # Loop through the direcory. | |
74 | while (my $file = readdir(DIR)) { | |
75 | ||
76 | # We only want files. | |
77 | next unless (-f "$snortrulepath/$file"); | |
78 | ||
79 | # Ignore empty files. | |
80 | next if (-z "$snortrulepath/$file"); | |
81 | ||
3da6e01b | 82 | # Use a regular expression to find files ending in .rules |
422204ff SS |
83 | next unless ($file =~ m/\.rules$/); |
84 | ||
3da6e01b SS |
85 | # Ignore files which are not read-able. |
86 | next unless (-R "$snortrulepath/$file"); | |
395e3b90 | 87 | |
3da6e01b SS |
88 | # Call subfunction to read-in rulefile and add rules to |
89 | # the snortrules hash. | |
90 | &readrulesfile("$file"); | |
395e3b90 | 91 | } |
395e3b90 | 92 | |
3da6e01b | 93 | closedir(DIR); |
395e3b90 | 94 | |
298723b9 SS |
95 | # Save ruleset. |
96 | if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) { | |
97 | my $enabled_sids_file = "${General::swroot}/snort/oinkmaster-enabled-sids.conf"; | |
98 | my $disabled_sids_file = "${General::swroot}/snort/oinkmaster-disabled-sids.conf"; | |
99 | ||
100 | # Arrays to store sid which should be added to the corresponding files. | |
101 | my @enabled_sids; | |
102 | my @disabled_sids; | |
103 | ||
104 | # Loop through the hash of snortrules. | |
105 | foreach my $rulefile(keys %snortrules) { | |
106 | # Loop through the single rules of the rulefile. | |
107 | foreach my $sid (keys %{$snortrules{$rulefile}}) { | |
108 | # Check if there exists a key in the cgiparams hash for this sid. | |
109 | if (exists($cgiparams{$sid})) { | |
110 | # Look if the rule is disabled. | |
111 | if ($snortrules{$rulefile}{$sid}{'State'} eq "off") { | |
112 | # Check if the state has been set to 'on'. | |
113 | if ($cgiparams{$sid} eq "on") { | |
114 | # Add the sid to the enabled_sids array. | |
115 | push(@enabled_sids, $sid); | |
116 | ||
117 | # Drop item from cgiparams hash. | |
118 | delete $cgiparams{$sid}; | |
119 | } | |
120 | } | |
121 | } else { | |
122 | # Look if the rule is enabled. | |
123 | if ($snortrules{$rulefile}{$sid}{'State'} eq "on") { | |
124 | # Check if the state is 'on' and should be disabled. | |
125 | # In this case there is no entry | |
126 | # for the sid in the cgiparams hash. | |
127 | # Add it to the disabled_sids array. | |
128 | push(@disabled_sids, $sid); | |
129 | ||
130 | # Drop item from cgiparams hash. | |
131 | delete $cgiparams{$sid}; | |
132 | } | |
133 | } | |
134 | } | |
135 | } | |
136 | ||
137 | # Check if the enabled_sids array contains any sid's. | |
138 | if (@enabled_sids) { | |
139 | # Open enabled sid's file for writing. | |
140 | open(FILE, ">$enabled_sids_file") or die "Could not write to $enabled_sids_file. $!\n"; | |
141 | ||
142 | # Write header to file. | |
143 | print FILE "#Autogenerated file. Any custom changes will be overwritten!\n"; | |
144 | ||
145 | # Loop through the array of enabled sids and write them to the file. | |
146 | foreach my $sid (@enabled_sids) { | |
147 | print FILE "enable_sid $sid\n"; | |
148 | } | |
149 | ||
150 | # Close file after writing. | |
151 | close(FILE); | |
152 | } | |
153 | ||
154 | # Check if the enabled_sids array contains any sid's. | |
155 | if (@disabled_sids) { | |
156 | # Open disabled sid's file for writing. | |
157 | open(FILE, ">$disabled_sids_file") or die "Could not write to $disabled_sids_file. $!\n"; | |
158 | ||
159 | # Write header to file. | |
160 | print FILE "#Autogenerated file. Any custom changes will be overwritten!\n"; | |
161 | ||
162 | # Loop through the array of disabled sids and write them to the file. | |
163 | foreach my $sid (@disabled_sids) { | |
164 | print FILE "disable_sid $sid\n"; | |
165 | } | |
166 | ||
167 | # Close file after writing. | |
168 | close(FILE); | |
169 | } | |
170 | } | |
171 | ||
a9a91e5f MT |
172 | if ($snortsettings{'OINKCODE'} ne "") { |
173 | $errormessage = $Lang::tr{'invalid input for oink code'} unless ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/); | |
ac1cfefa MT |
174 | } |
175 | ||
a9a91e5f MT |
176 | if (!$errormessage) { |
177 | if ($snortsettings{'RULES'} eq 'subscripted') { | |
9d79aea2 | 178 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; |
a9a91e5f | 179 | } elsif ($snortsettings{'RULES'} eq 'registered') { |
9d79aea2 | 180 | $url=" https://www.snort.org/rules/snortrules-snapshot-29111.tar.gz?oinkcode=$snortsettings{'OINKCODE'}"; |
a9a91e5f MT |
181 | } elsif ($snortsettings{'RULES'} eq 'community') { |
182 | $url=" https://www.snort.org/rules/community"; | |
ac1cfefa | 183 | } else { |
a9a91e5f | 184 | $url="http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz"; |
f9c2147d | 185 | } |
ac1cfefa | 186 | |
a9a91e5f MT |
187 | if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" ) { |
188 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
189 | if ($snortsettings{'ENABLE_SNORT'} eq 'on') | |
190 | { | |
191 | system ('/usr/bin/touch', "${General::swroot}/snort/enable"); | |
192 | } else { | |
193 | unlink "${General::swroot}/snort/enable"; | |
194 | } | |
195 | if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on') | |
196 | { | |
197 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_green"); | |
198 | } else { | |
199 | unlink "${General::swroot}/snort/enable_green"; | |
200 | } | |
201 | if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on') | |
202 | { | |
203 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue"); | |
204 | } else { | |
205 | unlink "${General::swroot}/snort/enable_blue"; | |
206 | } | |
207 | if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on') | |
208 | { | |
209 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange"); | |
210 | } else { | |
211 | unlink "${General::swroot}/snort/enable_orange"; | |
212 | } | |
213 | if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on') | |
214 | { | |
215 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect"); | |
216 | } else { | |
217 | unlink "${General::swroot}/snort/enable_preprocessor_http_inspect"; | |
218 | } | |
395e3b90 | 219 | |
a9a91e5f MT |
220 | system('/usr/local/bin/snortctrl restart >/dev/null'); |
221 | } | |
a27c40a0 | 222 | |
a9a91e5f | 223 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash |
ac1cfefa | 224 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); |
ac1cfefa | 225 | |
fbd43017 | 226 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { |
a9a91e5f MT |
227 | my @df = `/bin/df -B M /var`; |
228 | foreach my $line (@df) { | |
229 | next if $line =~ m/^Filesystem/; | |
230 | my $return; | |
231 | ||
232 | if ($line =~ m/dev/ ) { | |
233 | $line =~ m/^.* (\d+)M.*$/; | |
234 | my @temp = split(/ +/,$line); | |
235 | if ($1<300) { | |
236 | $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB"; | |
237 | } else { | |
238 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
239 | &downloadrulesfile(); | |
240 | sleep(3); | |
241 | $return = `cat /var/tmp/log 2>/dev/null`; | |
242 | ||
73231650 | 243 | } |
73231650 | 244 | |
a9a91e5f | 245 | if ($return =~ "ERROR") { |
73231650 CS |
246 | $errormessage = "<br /><pre>".$return."</pre>"; |
247 | } else { | |
248 | 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 &"); | |
249 | sleep(2); | |
32810952 | 250 | } |
a9a91e5f | 251 | } |
ac1cfefa | 252 | } |
ac1cfefa MT |
253 | } |
254 | } | |
255 | } | |
256 | ||
257 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
258 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
259 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
260 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
261 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
262 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
263 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
264 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
265 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
266 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
267 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
268 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
5a3e0dca | 269 | $selected{'RULES'}{'nothing'} = ''; |
5a3e0dca | 270 | $selected{'RULES'}{'community'} = ''; |
a0fa489f | 271 | $selected{'RULES'}{'emerging'} = ''; |
5a3e0dca MT |
272 | $selected{'RULES'}{'registered'} = ''; |
273 | $selected{'RULES'}{'subscripted'} = ''; | |
274 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
ac1cfefa MT |
275 | |
276 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
277 | ||
17726644 SS |
278 | ### Java Script ### |
279 | print <<END | |
280 | <script> | |
281 | // Tiny java script function to show/hide the rules | |
282 | // of a given category. | |
283 | function showhide(tblname) { | |
284 | \$("#" + tblname).toggle(); | |
285 | } | |
286 | </script> | |
287 | END | |
288 | ; | |
289 | ||
ac1cfefa MT |
290 | &Header::openbigbox('100%', 'left', '', $errormessage); |
291 | ||
90c2e164 CS |
292 | ############### |
293 | # DEBUG DEBUG | |
294 | # &Header::openbox('100%', 'left', 'DEBUG'); | |
295 | # my $debugCount = 0; | |
296 | # foreach my $line (sort keys %snortsettings) { | |
297 | # print "$line = $snortsettings{$line}<br />\n"; | |
298 | # $debugCount++; | |
299 | # } | |
300 | # print " Count: $debugCount\n"; | |
301 | # &Header::closebox(); | |
302 | # DEBUG DEBUG | |
303 | ############### | |
304 | ||
ac1cfefa MT |
305 | if ($errormessage) { |
306 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
307 | print "<class name='base'>$errormessage\n"; | |
308 | print " </class>\n"; | |
309 | &Header::closebox(); | |
310 | } | |
311 | ||
73231650 CS |
312 | my $return = `pidof oinkmaster.pl -x`; |
313 | chomp($return); | |
314 | if ($return) { | |
315 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" ); | |
316 | print <<END; | |
317 | <table> | |
318 | <tr><td> | |
319 | <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /> | |
320 | <td> | |
321 | $Lang::tr{'snort working'} | |
322 | <tr><td colspan='2' align='center'> | |
323 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
f8aa0679 | 324 | <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' /> |
73231650 CS |
325 | </form> |
326 | <tr><td colspan='2' align='left'><pre> | |
327 | END | |
328 | my @output = `tail -20 /var/tmp/log`; | |
329 | foreach (@output) { | |
330 | print "$_"; | |
331 | } | |
332 | print <<END; | |
333 | </pre> | |
334 | </table> | |
335 | END | |
336 | &Header::closebox(); | |
337 | &Header::closebigbox(); | |
338 | &Header::closepage(); | |
339 | exit; | |
340 | refreshpage(); | |
341 | } | |
342 | ||
7cc8a0e5 | 343 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'}); |
ac1cfefa MT |
344 | print <<END |
345 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
1b73b07e | 346 | <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort |
ac1cfefa MT |
347 | END |
348 | ; | |
349 | if ($netsettings{'BLUE_DEV'} ne '') { | |
1b73b07e | 350 | print " <input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort"; |
ac1cfefa MT |
351 | } |
352 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
1b73b07e | 353 | print " <input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort"; |
ac1cfefa | 354 | } |
1b73b07e | 355 | print " <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort"; |
1b73b07e | 356 | |
ac1cfefa | 357 | print <<END |
1b73b07e | 358 | </td></tr> |
ac1cfefa | 359 | <tr> |
7cc8a0e5 | 360 | <td><br><br></td> |
ac1cfefa MT |
361 | </tr> |
362 | <tr> | |
363 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
364 | </tr> | |
365 | <tr> | |
5a3e0dca MT |
366 | <td><select name='RULES'> |
367 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
a0fa489f | 368 | <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option> |
5a3e0dca MT |
369 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> |
370 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
371 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
372 | </select> | |
373 | </td> | |
ac1cfefa MT |
374 | </tr> |
375 | <tr> | |
376 | <td><br /> | |
8d29504c | 377 | $Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br /> |
4935eb8b | 378 | $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'} |
ac1cfefa MT |
379 | </td> |
380 | </tr> | |
381 | <tr> | |
5a3e0dca | 382 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> |
ac1cfefa MT |
383 | </tr> |
384 | <tr> | |
7cc8a0e5 | 385 | <td width='30%' align='left'><br><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> |
ac1cfefa MT |
386 | END |
387 | ; | |
42d9192e | 388 | if ( -e "/var/tmp/snortrules.tar.gz"){ |
0972c650 CS |
389 | my @Info = stat("/var/tmp/snortrules.tar.gz"); |
390 | $snortsettings{'INSTALLDATE'} = localtime($Info[9]); | |
ac1cfefa | 391 | } |
32810952 CS |
392 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; |
393 | ||
ac1cfefa MT |
394 | print <<END |
395 | </tr> | |
396 | </table> | |
7cc8a0e5 | 397 | <br><br> |
ac1cfefa MT |
398 | <table width='100%'> |
399 | <tr> | |
7cc8a0e5 | 400 | <td align='right'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> |
ac1cfefa MT |
401 | </tr> |
402 | </table> | |
403 | </form> | |
404 | END | |
405 | ; | |
406 | ||
ac1cfefa | 407 | &Header::closebox(); |
fbfdb241 | 408 | |
f7fcd1c0 | 409 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); |
298723b9 SS |
410 | print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n"; |
411 | ||
f7fcd1c0 | 412 | # Output display table for rule files |
17726644 | 413 | print "<table width='100%'>\n"; |
ce0e83b3 | 414 | |
17726644 SS |
415 | # Local variable required for java script to show/hide |
416 | # rules of a rulefile. | |
417 | my $rulesetcount = 1; | |
f7fcd1c0 SS |
418 | |
419 | # Loop over each rule file | |
420 | foreach my $rulefile (sort keys(%snortrules)) { | |
421 | my $rulechecked = ''; | |
422 | ||
f7fcd1c0 | 423 | # Check if rule file is enabled |
298723b9 | 424 | if ($snortrules{$rulefile}{"State"} eq 'On') { |
f7fcd1c0 SS |
425 | $rulechecked = 'CHECKED'; |
426 | } | |
3ffee04b | 427 | |
17726644 SS |
428 | # Table and rows for the rule files. |
429 | print"<tr>\n"; | |
430 | print"<td class='base' width='5%'>\n"; | |
431 | print"<input type='checkbox' name='SNORT_RULE_$rulefile' $rulechecked>\n"; | |
432 | print"</td>\n"; | |
433 | print"<td class='base' width='90%'><b>$rulefile</b></td>\n"; | |
434 | print"<td class='base' width='5%' align='right'>\n"; | |
435 | print"<a href=\"javascript:showhide('ruleset$rulesetcount')\">SHOW</a>\n"; | |
436 | print"</td>\n"; | |
437 | print"</tr>\n"; | |
438 | ||
439 | # Rows which will be hidden per default and will contain the single rules. | |
440 | print"<tr style='display:none' id='ruleset$rulesetcount'>\n"; | |
441 | print"<td colspan='3'>\n"; | |
442 | ||
443 | # Local vars | |
444 | my $lines; | |
445 | my $rows; | |
446 | my $col; | |
447 | ||
448 | # New table for the single rules. | |
449 | print "<table width='100%'>\n"; | |
450 | ||
451 | # Loop over rule file rules | |
452 | foreach my $sid (sort {$a <=> $b} keys(%{$snortrules{$rulefile}})) { | |
f7fcd1c0 | 453 | # Local vars |
17726644 | 454 | my $ruledefchecked = ''; |
f9c2147d | 455 | |
17726644 SS |
456 | # If 2 rules have been displayed, start a new row |
457 | if (($lines % 2) == 0) { | |
458 | print "</tr><tr>\n"; | |
3ffee04b | 459 | |
17726644 SS |
460 | # Increase rows by once. |
461 | $rows++; | |
462 | } | |
f7fcd1c0 | 463 | |
17726644 SS |
464 | # Colour lines. |
465 | if ($rows % 2) { | |
466 | $col="bgcolor='$color{'color20'}'"; | |
467 | } else { | |
468 | $col="bgcolor='$color{'color22'}'"; | |
f7fcd1c0 SS |
469 | } |
470 | ||
17726644 | 471 | # Set rule state |
298723b9 | 472 | if ($snortrules{$rulefile}{$sid}{'State'} eq 'on') { |
17726644 | 473 | $ruledefchecked = 'CHECKED'; |
f7fcd1c0 | 474 | } |
3ffee04b | 475 | |
17726644 SS |
476 | # Create rule checkbox and display rule description |
477 | print "<td class='base' width='5%' align='right' $col>\n"; | |
478 | print "<input type='checkbox' NAME='$sid' $ruledefchecked>\n"; | |
479 | print "</td>\n"; | |
480 | print "<td class='base' width='45%' $col>$snortrules{$rulefile}{$sid}{'Description'}</td>"; | |
481 | ||
482 | # Increment rule count | |
483 | $lines++; | |
484 | } | |
485 | ||
486 | # If do not have a second rule for row, create empty cell | |
487 | if (($lines % 2) != 0) { | |
488 | print "<td class='base'></td>"; | |
f7fcd1c0 SS |
489 | } |
490 | ||
491 | # Close display table | |
17726644 | 492 | print "</tr></table></td></tr>"; |
3ffee04b | 493 | |
17726644 SS |
494 | # Finished whith the rule file, increase count. |
495 | $rulesetcount++; | |
f7fcd1c0 | 496 | } |
17726644 SS |
497 | |
498 | # Close display table | |
499 | print "</table>"; | |
500 | ||
f7fcd1c0 | 501 | print <<END |
2999f1d2 CS |
502 | <table width='100%'> |
503 | <tr> | |
298723b9 | 504 | <td width='100%' align='right'><input type='submit' name='RULESET' value='$Lang::tr{'update'}'> |
3ffee04b CS |
505 | <!-- space for future online help link --> |
506 | </td> | |
2999f1d2 CS |
507 | </tr> |
508 | </table> | |
298723b9 | 509 | </form> |
3ffee04b CS |
510 | END |
511 | ; | |
f7fcd1c0 | 512 | &Header::closebox(); |
395e3b90 | 513 | |
ac1cfefa MT |
514 | &Header::closebigbox(); |
515 | &Header::closepage(); | |
516 | ||
a70d269a SS |
517 | sub refreshpage { |
518 | &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" ); | |
519 | print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>"; | |
520 | &Header::closebox(); | |
521 | } | |
522 | ||
ac1cfefa | 523 | sub downloadrulesfile { |
73231650 CS |
524 | my $peer; |
525 | my $peerport; | |
ac1cfefa | 526 | |
73231650 | 527 | unlink("/var/tmp/log"); |
ac1cfefa MT |
528 | |
529 | unless (-e "${General::swroot}/red/active") { | |
530 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
531 | return undef; | |
532 | } | |
533 | ||
ac1cfefa MT |
534 | my %proxysettings=(); |
535 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
536 | ||
537 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
73231650 | 538 | ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); |
ac1cfefa MT |
539 | } |
540 | ||
73231650 | 541 | if ($peer) { |
1f606aef | 542 | system("wget -r --proxy=on --proxy-user=$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 | 543 | } else { |
1f606aef | 544 | system("wget -r -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url"); |
ac1cfefa | 545 | } |
ac1cfefa | 546 | } |
3da6e01b SS |
547 | |
548 | sub readrulesfile ($) { | |
549 | my $rulefile = shift; | |
550 | ||
551 | # Open rule file and read in contents | |
552 | open(RULEFILE, "$snortrulepath/$rulefile") or die "Unable to read $rulefile!"; | |
553 | ||
554 | # Store file content in an array. | |
555 | my @lines = <RULEFILE>; | |
556 | ||
557 | # Close file. | |
558 | close(RULEFILE); | |
559 | ||
560 | # Loop over rule file contents | |
561 | foreach my $line (@lines) { | |
562 | # Remove whitespaces. | |
563 | chomp $line; | |
564 | ||
565 | # Skip blank lines. | |
566 | next if ($line =~ /^\s*$/); | |
567 | ||
568 | # Local vars. | |
569 | my $sid; | |
570 | my $msg; | |
571 | ||
572 | # Gather rule sid and message from the ruleline. | |
573 | if ($line =~ m/.*msg:\"(.*?)\"\; .* sid:(.*?); /) { | |
574 | $msg = $1; | |
575 | $sid = $2; | |
576 | ||
577 | # Check if a rule has been found. | |
578 | if ($sid && $msg) { | |
579 | # Add rule to the snortrules hash. | |
580 | $snortrules{$rulefile}{$sid}{'Description'} = $msg; | |
581 | ||
582 | # Grab status of the rule. Check if ruleline starts with a "dash". | |
583 | if ($line =~ /^\#/) { | |
584 | # If yes, the rule is disabled. | |
298723b9 | 585 | $snortrules{$rulefile}{$sid}{'State'} = "off"; |
3da6e01b SS |
586 | } else { |
587 | # Otherwise the rule is enabled. | |
298723b9 | 588 | $snortrules{$rulefile}{$sid}{'State'} = "on"; |
3da6e01b SS |
589 | } |
590 | } | |
591 | } | |
592 | } | |
593 | } |