Removed snort md5 check, added free space check.
[people/pmueller/ipfire-2.x.git] / html / cgi-bin / ids.cgi
CommitLineData
ac1cfefa 1#!/usr/bin/perl
70df8302
MT
2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
5# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
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
23use LWP::UserAgent;
24use File::Copy;
25use File::Temp qw/ tempfile tempdir /;
26use strict;
27
28# enable only the following on debugging purpose
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29use warnings;
30use CGI::Carp 'fatalsToBrowser';
ac1cfefa 31
986e08d9 32require '/var/ipfire/general-functions.pl';
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MT
33require "${General::swroot}/lang.pl";
34require "${General::swroot}/header.pl";
35
f2fdd0c1
CS
36my %color = ();
37my %mainsettings = ();
38&General::readhash("${General::swroot}/main/settings", \%mainsettings);
39&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
40
ac1cfefa
MT
41my %snortsettings=();
42my %checked=();
5a3e0dca 43my %selected=();
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MT
44my %netsettings=();
45our $errormessage = '';
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MT
46our $results = '';
47our $tempdir = '';
48our $url='';
49&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
50
51&Header::showhttpheaders();
52
53$snortsettings{'ENABLE_SNORT'} = 'off';
54$snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
55$snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
56$snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
1b73b07e 57$snortsettings{'ENABLE_GUARDIAN'} = 'off';
fbfdb241
CS
58$snortsettings{'GUARDIAN_INTERFACE'} = `cat /var/ipfire/red/iface`;
59$snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'} = '1';
60$snortsettings{'GUARDIAN_LOGFILE'} = '/var/log/guardian/guardian.log';
61$snortsettings{'GUARDIAN_ALERTFILE'} = '/var/log/snort/alert';
62$snortsettings{'GUARDIAN_IGNOREFILE'} = '/var/ipfire/guardian/guardian.ignore';
63$snortsettings{'GUARDIAN_TARGETFILE'} = '/var/ipfire/guardian/guardian.target';
64$snortsettings{'GUARDIAN_TIMELIMIT'} = '86400';
ac1cfefa 65$snortsettings{'ACTION'} = '';
fbfdb241 66$snortsettings{'ACTION2'} = '';
5a3e0dca 67$snortsettings{'RULES'} = '';
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68$snortsettings{'OINKCODE'} = '';
69$snortsettings{'INSTALLDATE'} = '';
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70
71&Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'});
72
395e3b90 73####################### Added for snort rules control #################################
cf29614f 74my $snortrulepath; # change to "/etc/snort/rules" - maniac
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MT
75my @snortconfig;
76my $restartsnortrequired = 0;
77my %snortrules;
78my $rule = '';
79my $table1colour = '';
80my $table2colour = '';
81my $var = '';
82my $value = '';
83my $tmp = '';
84my $linkedrulefile = '';
85my $border = '';
86my $checkboxname = '';
87
88if (-e "/etc/snort/snort.conf") {
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89
90
395e3b90
MT
91 # Open snort.conf file, read it in, close it, and re-open for writing
92 open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.';
93 @snortconfig = <FILE>;
94 close(FILE);
d192af92 95 open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.';
395e3b90 96
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97 my @rules = `cd /etc/snort/rules/ && ls *.rules`; # With this loop the rule might be display with correct rulepath set
98 foreach (@rules) {
99 chomp $_;
100 my $temp = join(";",@snortconfig);
101 if ( $temp =~ /$_/ ){next;}
102 else { push(@snortconfig,"#include \$RULE_PATH/".$_);}
103 }
f9c2147d 104
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MT
105 # Loop over each line
106 foreach my $line (@snortconfig) {
429f7008 107 # Trim the line
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MT
108 chomp $line;
109
110 # Check for a line with .rules
111 if ($line =~ /\.rules$/) {
112 # Parse out rule file name
113 $rule = $line;
114 $rule =~ s/\$RULE_PATH\///i;
115 $rule =~ s/ ?include ?//i;
116 $rule =~ s/\#//i;
117 my $snortrulepathrule = "$snortrulepath/$rule";
118
119 # Open rule file and read in contents
120 open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule.";
121 my @snortrulefile = <RULEFILE>;
122 close(RULEFILE);
123 open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule";
124
125 # Local vars
126 my $dashlinecnt = 0;
127 my $desclook = 1;
128 my $snortruledesc = '';
129 my %snortruledef = ();
130 my $rulecnt = 1;
131
132 # Loop over rule file contents
133 foreach my $ruleline (@snortrulefile) {
134 chomp $ruleline;
135
136 # If still looking for a description
137 if ($desclook) {
138 # If line does not start with a # anymore, then done looking for a description
139 if ($ruleline !~ /^\#/) {
140 $desclook = 0;
141 }
142
143 # If see more than one dashed line, (start to) create rule file description
144 if ($dashlinecnt > 1) {
145 # Check for a line starting with a #
146 if ($ruleline =~ /^\#/) {
147 # Create tempruleline
148 my $tempruleline = $ruleline;
149
150 # Strip off # and clean up line
151 $tempruleline =~ s/\# ?//i;
152
153 # Check for part of a description
154 if ($snortruledesc eq '') {
155 $snortruledesc = $tempruleline;
156 } else {
157 $snortruledesc .= " $tempruleline";
158 }
159 } else {
160 # Must be done
161 $desclook = 0;
162 }
163 }
164
165 # If have a dashed line, increment count
166 if ($ruleline =~ /\# ?\-+/) {
167 $dashlinecnt++;
168 }
169 } else {
170 # Parse out rule file rule's message for display
171 if ($ruleline =~ /(msg\:\"[^\"]+\";)/) {
172 my $msg = '';
173 $msg = $1;
174 $msg =~ s/msg\:\"//i;
175 $msg =~ s/\";//i;
176 $snortruledef{$rulecnt}{'Description'} = $msg;
177
178 # Check for 'Save' and rule file displayed in query string
179 if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) {
180 # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
181 if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) {
182 $restartsnortrequired = 1;
183 }
184
185 # Strip out leading # from rule line
186 $ruleline =~ s/\# ?//i;
187
188 # Check if it does not exists (which means it is disabled), append a #
189 if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) {
190 $ruleline = "#"." $ruleline";
191 }
192 }
193
194 # Check if ruleline does not begin with a #, so it is enabled
195 if ($ruleline !~ /^\#/) {
196 $snortruledef{$rulecnt++}{'State'} = 'Enabled';
197 } else {
198 # Otherwise it is disabled
199 $snortruledef{$rulecnt++}{'State'} = 'Disabled';
200 }
201 }
202 }
203
204 # Print ruleline to RULEFILE
205 print RULEFILE "$ruleline\n";
206 }
207
208 # Close RULEFILE
209 close(RULEFILE);
210
211 # Check for 'Save'
212 if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) {
213 # Check for a disable rule which is now enabled, or an enabled rule which is now disabled
214 if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) {
215 $restartsnortrequired = 1;
216 }
217
218 # Strip out leading # from rule line
219 $line =~ s/\# ?//i;
220
221 # Check if it does not exists (which means it is disabled), append a #
222 if (!exists $snortsettings{"SNORT_RULE_$rule"}) {
223 $line = "# $line";
224 }
f9c2147d 225
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MT
226 }
227
228 # Check for rule state
229 if ($line =~ /^\#/) {
230 $snortrules{$rule}{"State"} = "Disabled";
231 } else {
232 $snortrules{$rule}{"State"} = "Enabled";
233 }
234
235 # Set rule description
236 $snortrules{$rule}{"Description"} = $snortruledesc;
237
238 # Loop over sorted rules
239 foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) {
240 $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'};
241 $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'};
242 }
243
244 $snortruledesc = '';
245 print FILE "$line\n";
246 } elsif ($line =~ /var RULE_PATH/) {
247 ($tmp, $tmp, $snortrulepath) = split(' ', $line);
248 print FILE "$line\n";
249 } else {
250 print FILE "$line\n";
251 }
252 }
253 close(FILE);
254
255 if ($restartsnortrequired) {
18322edf 256 system('/usr/local/bin/snortctrl restart >/dev/null');
395e3b90
MT
257 }
258}
259
260####################### End added for snort rules control #################################
261
5a3e0dca 262if ($snortsettings{'RULES'} eq 'subscripted') {
32810952
CS
263 #$url="http://dl.snort.org/sub-rules/snortrules-snapshot-2.8_s.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
264 $url="http://dl.snort.org/sub-rules/snortrules-snapshot-2853_s.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
be9e0412 265 #$url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8_s.tar.gz";
5a3e0dca 266} elsif ($snortsettings{'RULES'} eq 'registered') {
be9e0412 267 $url="http://dl.snort.org/reg-rules/snortrules-snapshot-2.8.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
33d8921f 268 #$url="http://dl.snort.org/reg-rules/snortrules-snapshot-2853.tar.gz?oink_code=$snortsettings{'OINKCODE'}";
be9e0412 269 #$url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8.tar.gz";
ac1cfefa 270} else {
5a3e0dca 271 $url="http://www.snort.org/pub-bin/downloads.cgi/Download/comm_rules/Community-Rules-CURRENT.tar.gz";
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272}
273
fbfdb241 274if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" )
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275{
276 $errormessage = $Lang::tr{'invalid input for oink code'} unless (
277 ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/) ||
278 ($snortsettings{'RULESTYPE'} eq 'nothing' ) );
279
280 &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
281 if ($snortsettings{'ENABLE_SNORT'} eq 'on')
282 {
9833e7d8 283 system ('/usr/bin/touch', "${General::swroot}/snort/enable");
ac1cfefa
MT
284 } else {
285 unlink "${General::swroot}/snort/enable";
f9c2147d 286 }
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287 if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on')
288 {
9833e7d8 289 system ('/usr/bin/touch', "${General::swroot}/snort/enable_green");
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MT
290 } else {
291 unlink "${General::swroot}/snort/enable_green";
f9c2147d 292 }
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293 if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on')
294 {
9833e7d8 295 system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue");
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MT
296 } else {
297 unlink "${General::swroot}/snort/enable_blue";
f9c2147d 298 }
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MT
299 if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on')
300 {
9833e7d8 301 system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange");
ac1cfefa
MT
302 } else {
303 unlink "${General::swroot}/snort/enable_orange";
304 }
429f7008
DG
305 if ($snortsettings{'ENABLE_PREPROCESSOR_HTTP_INSPECT'} eq 'on')
306 {
307 system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect");
308 } else {
309 unlink "${General::swroot}/snort/enable_preprocessor_http_inspect";
f9c2147d 310 }
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CS
311 if ($snortsettings{'ENABLE_GUARDIAN'} eq 'on')
312 {
313 system ('/usr/bin/touch', "${General::swroot}/guardian/enable");
314 } else {
315 unlink "${General::swroot}/guardian/enable";
316 }
ac1cfefa 317
429f7008 318 system('/usr/local/bin/snortctrl restart >/dev/null');
395e3b90 319
fbfdb241
CS
320} elsif ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "guardian" ){
321 open(IGNOREFILE, ">$snortsettings{'GUARDIAN_IGNOREFILE'}") or die "Unable to write guardian ignore file $snortsettings{'GUARDIAN_IGNOREFILE'}";
f9c2147d 322 print IGNOREFILE $snortsettings{'IGNOREFILE_CONTENT'};
fbfdb241
CS
323 close(IGNOREFILE);
324 open(GUARDIAN, ">/var/ipfire/guardian/guardian.conf") or die "Unable to write guardian conf /var/ipfire/guardian/guardian.conf";
325 print GUARDIAN <<END
326Interface $snortsettings{'GUARDIAN_INTERFACE'}
327HostGatewayByte $snortsettings{'GUARDIAN_HOSTGATEWAYBYTE'}
328LogFile $snortsettings{'GUARDIAN_LOGFILE'}
329AlertFile $snortsettings{'GUARDIAN_ALERTFILE'}
330IgnoreFile $snortsettings{'GUARDIAN_IGNOREFILE'}
331TargetFile $snortsettings{'GUARDIAN_TARGETFILE'}
332TimeLimit $snortsettings{'GUARDIAN_TIMELIMIT'}
333END
334;
335 close(GUARDIAN);
336 system('/usr/local/bin/snortctrl restart >/dev/null');
75b5a616 337}
ac1cfefa
MT
338 # INSTALLMD5 is not in the form, so not retrieved by getcgihash
339 &General::readhash("${General::swroot}/snort/settings", \%snortsettings);
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MT
340
341if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) {
32810952
CS
342
343 my @df = `/bin/df -B M /var`;
344 foreach my $line (@df) {
345 next if $line =~ m/^Filesystem/;
346
347 if ($line =~ m/dev/ ) {
348 $line =~ m/^.* (\d+)M.*$/;
349 my @temp = split(/ +/,$line);
350 if ($1<600) {
351 $errormessage = "$Lang::tr{'not enough disk space'} < 600MB, /var $1MB";
ac1cfefa 352 } else {
32810952
CS
353 my $filename = &downloadrulesfile();
354 if (defined $filename) {
355 $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>";
356 $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules 2>&1`;
357 $results .= "</pre>";
358 }
359 unlink ($filename);
ac1cfefa 360 }
32810952 361
ac1cfefa
MT
362 }
363 }
32810952
CS
364
365
ac1cfefa
MT
366}
367
368$checked{'ENABLE_SNORT'}{'off'} = '';
369$checked{'ENABLE_SNORT'}{'on'} = '';
370$checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'";
371$checked{'ENABLE_SNORT_GREEN'}{'off'} = '';
372$checked{'ENABLE_SNORT_GREEN'}{'on'} = '';
373$checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'";
374$checked{'ENABLE_SNORT_BLUE'}{'off'} = '';
375$checked{'ENABLE_SNORT_BLUE'}{'on'} = '';
376$checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'";
377$checked{'ENABLE_SNORT_ORANGE'}{'off'} = '';
378$checked{'ENABLE_SNORT_ORANGE'}{'on'} = '';
379$checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'";
1b73b07e
CS
380$checked{'ENABLE_GUARDIAN'}{'off'} = '';
381$checked{'ENABLE_GUARDIAN'}{'on'} = '';
382$checked{'ENABLE_GUARDIAN'}{$snortsettings{'ENABLE_GUARDIAN'}} = "checked='checked'";
5a3e0dca 383$selected{'RULES'}{'nothing'} = '';
5a3e0dca
MT
384$selected{'RULES'}{'community'} = '';
385$selected{'RULES'}{'registered'} = '';
386$selected{'RULES'}{'subscripted'} = '';
387$selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
ac1cfefa
MT
388
389&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
390
395e3b90
MT
391####################### Added for snort rules control #################################
392print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>";
393print <<END
f9c2147d 394<STYLE TYPE="text/css">
395e3b90
MT
395<!--
396.section {
397 border: groove;
398}
399.row1color {
400 border: ridge;
f2fdd0c1 401 background-color: $color{'color22'};
395e3b90
MT
402}
403.row2color {
404 border: ridge;
f2fdd0c1 405 background-color: $color{'color20'};
395e3b90
MT
406}
407.rowselected {
408 border: double #FF0000;
409 background-color: #DCDCDC;
410}
411-->
412</STYLE>
413END
414;
415####################### End added for snort rules control #################################
416
ac1cfefa
MT
417&Header::openbigbox('100%', 'left', '', $errormessage);
418
419if ($errormessage) {
420 &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
421 print "<class name='base'>$errormessage\n";
422 print "&nbsp;</class>\n";
423 &Header::closebox();
424}
425
426&Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'});
427print <<END
428<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
1b73b07e 429<tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort
ac1cfefa
MT
430END
431;
432if ($netsettings{'BLUE_DEV'} ne '') {
1b73b07e 433 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort";
ac1cfefa
MT
434}
435if ($netsettings{'ORANGE_DEV'} ne '') {
1b73b07e 436 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort";
ac1cfefa 437}
1b73b07e
CS
438 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort";
439if ( -e "/var/ipfire/guardian/guardian.conf" ) {
440 print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' name='ENABLE_GUARDIAN' $checked{'ENABLE_GUARDIAN'}{'on'} /> Guardian";
441}
442
ac1cfefa 443print <<END
1b73b07e 444</td></tr>
ac1cfefa
MT
445<tr>
446 <td><hr /></td>
447</tr>
448<tr>
449 <td><b>$Lang::tr{'ids rules update'}</b></td>
450</tr>
451<tr>
5a3e0dca
MT
452 <td><select name='RULES'>
453 <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
5a3e0dca
MT
454 <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option>
455 <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option>
456 <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option>
457 </select>
458 </td>
ac1cfefa
MT
459</tr>
460<tr>
461 <td><br />
4935eb8b
JPT
462 $Lang::tr{'ids rules license'} <a href='https://www.snort.org/signup' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br />
463 $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'}
ac1cfefa
MT
464 </td>
465</tr>
466<tr>
5a3e0dca 467 <td nowrap='nowrap'>Oinkcode:&nbsp;<input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td>
ac1cfefa
MT
468</tr>
469<tr>
470 <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' />
471END
472;
473
32810952
CS
474if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} ) {
475 $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`;
476 &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
ac1cfefa 477}
32810952
CS
478print "&nbsp;$Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
479
ac1cfefa
MT
480print <<END
481</tr>
482</table>
483<hr />
484<table width='100%'>
485<tr>
fbfdb241 486 <td align='center'><input type='hidden' name='ACTION2' value='snort' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
ac1cfefa
MT
487</tr>
488</table>
489</form>
490END
491;
492
493if ($results ne '') {
494 print "$results";
495}
496
497&Header::closebox();
fbfdb241
CS
498
499####################### Added for guardian control ####################################
500if ( -e "/var/ipfire/guardian/guardian.conf" ) {
501 &Header::openbox('100%', 'LEFT', $Lang::tr{'guardian configuration'});
502print <<END
503<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
504<tr><td align='left' width='40%'>$Lang::tr{'guardian interface'}</td><td align='left'><input type='text' name='INTERFACE' value='$snortsettings{'GUARDIAN_INTERFACE'}' size="30" /></td></tr>
505<tr><td align='left' width='40%'>$Lang::tr{'guardian timelimit'}</td><td align='left'><input type='text' name='TIMELIMIT' value='$snortsettings{'GUARDIAN_TIMELIMIT'}' size="30" /></td></tr>
506<tr><td align='left' width='40%'>$Lang::tr{'guardian logfile'}</td><td align='left'><input type='text' name='LOGFILE' value='$snortsettings{'GUARDIAN_LOGFILE'}' size="30" /></td></tr>
507<tr><td align='left' width='40%'>$Lang::tr{'guardian alertfile'}</td><td align='left'><input type='text' name='ALERTFILE' value='$snortsettings{'GUARDIAN_ALERTFILE'}' size="30" /></td></tr>
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508<tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'>
509END
510;
511 print `cat /var/ipfire/guardian/guardian.ignore`;
512print <<END
513</textarea></td></tr>
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514<tr><td align='center' colspan='2'><input type='hidden' name='ACTION2' value='guardian' /><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td></tr>
515</table>
516</form>
517END
518;
519 &Header::closebox();
520}
521
522
523
524
395e3b90 525####################### Added for snort rules control #################################
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526if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) {
527 &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
528 # Output display table for rule files
529 print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>";
f9c2147d 530
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531 print "<form method='post'>";
532
533 # Local vars
534 my $ruledisplaycnt = 1;
535 my $rulecnt = keys %snortrules;
536 $rulecnt++;
537 $rulecnt = $rulecnt / 2;
538
539 # Loop over each rule file
540 foreach my $rulefile (sort keys(%snortrules)) {
541 my $rulechecked = '';
542
543 # Check if reached half-way through rule file rules to start new column
544 if ($ruledisplaycnt > $rulecnt) {
545 print "</TABLE></TD><TD VALIGN='TOP'><TABLE>";
546 $ruledisplaycnt = 0;
2999f1d2 547 }
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548
549 # Check if rule file is enabled
550 if ($snortrules{$rulefile}{"State"} eq 'Enabled') {
551 $rulechecked = 'CHECKED';
552 }
553
554 # Create rule file link, vars array, and display flag
2999f1d2 555 my $rulefilelink = "?RULEFILE=$rulefile";
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556 my $rulefiletoclose = '';
557 my @queryvars = ();
558 my $displayrulefilerules = 0;
559
560 # Check for passed in query string
561 if ($ENV{'QUERY_STRING'}) {
562 # Split out vars
2999f1d2 563 @queryvars = split(/\&/, $ENV{'QUERY_STRING'});
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564
565 # Loop over values
566 foreach $value (@queryvars) {
567 # Split out var pairs
2999f1d2 568 ($var, $linkedrulefile) = split(/=/, $value);
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569
570 # Check if var is 'RULEFILE'
571 if ($var eq 'RULEFILE') {
572 # Check if rulefile equals linkedrulefile
573 if ($rulefile eq $linkedrulefile) {
574 # Set display flag
575 $displayrulefilerules = 1;
576
577 # Strip out rulefile from rulefilelink
578 $rulefilelink =~ s/RULEFILE=$linkedrulefile//g;
579 } else {
580 # Add linked rule file to rulefilelink
581 $rulefilelink .= "&RULEFILE=$linkedrulefile";
582 }
583 }
584 }
585 }
2999f1d2 586
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587 # Strip out extra & & ? from rulefilelink
588 $rulefilelink =~ s/^\?\&/\?/i;
589
590 # Check for a single '?' and replace with page for proper link display
591 if ($rulefilelink eq '?') {
592 $rulefilelink = "ids.cgi";
593 }
594
595 # Output rule file name and checkbox
596 print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>";
597 print "<TR><TD CLASS='base' VALIGN='TOP'>";
598
599 # Check for empty 'Description'
600 if ($snortrules{$rulefile}{'Description'} eq '') {
601 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>";
602 } else {
603 # Output rule file 'Description'
604 print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>";
605 }
606
607 # Check for display flag
608 if ($displayrulefilerules) {
609 # Rule file definition rule display
610 print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>";
611
612 # Local vars
613 my $ruledefdisplaycnt = 0;
614 my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}};
615 $ruledefcnt++;
616 $ruledefcnt = $ruledefcnt / 2;
617
618 # Loop over rule file rules
619 foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) {
620 # Local vars
621 my $ruledefchecked = '';
622
623 # If have display 2 rules, start new row
624 if (($ruledefdisplaycnt % 2) == 0) {
625 print "</TR><TR>";
626 $ruledefdisplaycnt = 0;
627 }
628
629 # Check for rules state
630 if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') {
631 $ruledefchecked = 'CHECKED';
632 }
633
634 # Create rule file rule's checkbox
635 $checkboxname = "SNORT_RULE_$rulefile";
636 $checkboxname .= "_$ruledef";
637 print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>";
638
639 # Increment count
640 $ruledefdisplaycnt++;
641 }
f9c2147d 642
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643 # If do not have second rule for row, create empty cell
644 if (($ruledefdisplaycnt % 2) != 0) {
645 print "<TD CLASS='base'></TD>";
646 }
647
648 # Close display table
649 print "</TR></TABLE></TD></TR>";
2999f1d2 650 }
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651
652 # Close display table
653 print "</TABLE>";
654
655 # Increment ruledisplaycnt
2999f1d2 656 $ruledisplaycnt++;
3ffee04b 657 }
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658 print "</TD></TR></TABLE></TD></TR></TABLE>";
659 print <<END
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660<table width='100%'>
661<tr>
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662 <td width='33%'>&nbsp;</td>
663 <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
664 <td width='33%'>
665 &nbsp; <!-- space for future online help link -->
666 </td>
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667</tr>
668</table>
669</form>
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670END
671;
672 &Header::closebox();
673}
395e3b90 674
395e3b90 675####################### End added for snort rules control #################################
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676&Header::closebigbox();
677&Header::closepage();
678
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679sub downloadrulesfile {
680 my $return = &geturl($url);
681 return undef unless $return;
682
683 if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning
684 $errormessage = $Lang::tr{'invalid loaded file'};
685 return undef;
686 }
687
688 my $filename='';
689 my $fh='';
be9e0412 690 ($fh, $filename) = tempfile('/var/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension
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691 binmode ($fh);
692 syswrite ($fh, $return->content);
693 close($fh);
694 return $filename;
695}
696
697sub geturl ($) {
698 my $url=$_[0];
699
700 unless (-e "${General::swroot}/red/active") {
701 $errormessage = $Lang::tr{'could not download latest updates'};
702 return undef;
703 }
704
705 my $downloader = LWP::UserAgent->new;
706 $downloader->timeout(5);
707
708 my %proxysettings=();
709 &General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
710
711 if ($_=$proxysettings{'UPSTREAM_PROXY'}) {
712 my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
713 if ($proxysettings{'UPSTREAM_USER'}) {
714 $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/");
715 } else {
716 $downloader->proxy("http","http://$peer:$peerport/");
717 }
718 }
719
720 my $return = $downloader->get($url,'Cache-Control','no-cache');
721
722 if ($return->code == 403) {
723 $errormessage = $Lang::tr{'access refused with this oinkcode'};
724 return undef;
725 } elsif (!$return->is_success()) {
726 $errormessage = $Lang::tr{'could not download latest updates'};
727 return undef;
728 }
729
730 return $return;
731
732}