Gro├čes Update:
[ipfire-2.x.git] / html / cgi-bin / ids.cgi
CommitLineData
ac1cfefa
MT
1#!/usr/bin/perl
2#
3# SmoothWall CGIs
4#
5# This code is distributed under the terms of the GPL
6#
7# (c) The SmoothWall Team
8#
9# $Id: ids.cgi,v 1.8.2.18 2005/07/27 21:35:22 franck78 Exp $
10#
11
12use LWP::UserAgent;
13use File::Copy;
14use File::Temp qw/ tempfile tempdir /;
15use strict;
16
17# enable only the following on debugging purpose
18#use warnings;
19#use CGI::Carp 'fatalsToBrowser';
20
21require 'CONFIG_ROOT/general-functions.pl';
22require "${General::swroot}/lang.pl";
23require "${General::swroot}/header.pl";
24
25my %snortsettings=();
26my %checked=();
27my %netsettings=();
28our $errormessage = '';
29our $md5 = '0';# not '' to avoid displaying the wrong message when INSTALLMD5 not set
30our $realmd5 = '';
31our $results = '';
32our $tempdir = '';
33our $url='';
34&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
35
36&Header::showhttpheaders();
37
38$snortsettings{'ENABLE_SNORT'} = 'off';
39$snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
40$snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
41$snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
42$snortsettings{'ACTION'} = '';
43$snortsettings{'RULESTYPE'} = '';
44$snortsettings{'OINKCODE'} = '';
45$snortsettings{'INSTALLDATE'} = '';
46$snortsettings{'INSTALLMD5'} = '';
47
48&Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'});
49
50if ($snortsettings{'RULESTYPE'} eq 'subscripted') {
51 $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.3_s.tar.gz";
52} else {
53 $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.3.tar.gz";
54}
55
56if ($snortsettings{'ACTION'} eq $Lang::tr{'save'})
57{
58 $errormessage = $Lang::tr{'invalid input for oink code'} unless (
59 ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/) ||
60 ($snortsettings{'RULESTYPE'} eq 'nothing' ) );
61
62 &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
63 if ($snortsettings{'ENABLE_SNORT'} eq 'on')
64 {
65 system ('/bin/touch', "${General::swroot}/snort/enable");
66 } else {
67 unlink "${General::swroot}/snort/enable";
68 }
69 if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on')
70 {
71 system ('/bin/touch', "${General::swroot}/snort/enable_green");
72 } else {
73 unlink "${General::swroot}/snort/enable_green";
74 }
75 if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on')
76 {
77 system ('/bin/touch', "${General::swroot}/snort/enable_blue");
78 } else {
79 unlink "${General::swroot}/snort/enable_blue";
80 }
81 if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on')
82 {
83 system ('/bin/touch', "${General::swroot}/snort/enable_orange");
84 } else {
85 unlink "${General::swroot}/snort/enable_orange";
86 }
87
88 system('/usr/local/bin/restartsnort','red','orange','blue','green');
89} else {
90 # INSTALLMD5 is not in the form, so not retrieved by getcgihash
91 &General::readhash("${General::swroot}/snort/settings", \%snortsettings);
92}
93
94if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) {
95 $md5 = &getmd5;
96 if (($snortsettings{'INSTALLMD5'} ne $md5) && defined $md5 ) {
97 chomp($md5);
98 my $filename = &downloadrulesfile();
99 if (defined $filename) {
100 # Check MD5sum
101 $realmd5 = `/usr/bin/md5sum $filename`;
102 chomp ($realmd5);
103 $realmd5 =~ s/^(\w+)\s.*$/$1/;
104 if ($md5 ne $realmd5) {
105 $errormessage = "$Lang::tr{'invalid md5sum'}";
106 } else {
107 $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>";
78331e30 108 $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort 2>&1`;
ac1cfefa
MT
109 $results .= "</pre>";
110 }
111 unlink ($filename);
112 }
113 }
114}
115
116$checked{'ENABLE_SNORT'}{'off'} = '';
117$checked{'ENABLE_SNORT'}{'on'} = '';
118$checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'";
119$checked{'ENABLE_SNORT_GREEN'}{'off'} = '';
120$checked{'ENABLE_SNORT_GREEN'}{'on'} = '';
121$checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'";
122$checked{'ENABLE_SNORT_BLUE'}{'off'} = '';
123$checked{'ENABLE_SNORT_BLUE'}{'on'} = '';
124$checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'";
125$checked{'ENABLE_SNORT_ORANGE'}{'off'} = '';
126$checked{'ENABLE_SNORT_ORANGE'}{'on'} = '';
127$checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'";
128$checked{'RULESTYPE'}{'nothing'} = '';
129$checked{'RULESTYPE'}{'registered'} = '';
130$checked{'RULESTYPE'}{'subscripted'} = '';
131$checked{'RULESTYPE'}{$snortsettings{'RULESTYPE'}} = "checked='checked'";
132
133&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
134
135&Header::openbigbox('100%', 'left', '', $errormessage);
136
137if ($errormessage) {
138 &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
139 print "<class name='base'>$errormessage\n";
140 print "&nbsp;</class>\n";
141 &Header::closebox();
142}
143
144&Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'});
145print <<END
146<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
147<tr>
148 <td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />
149 GREEN Snort</td>
150</tr>
151END
152;
153if ($netsettings{'BLUE_DEV'} ne '') {
154print <<END
155<tr>
156 <td class='base'><input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} />
157 BLUE Snort</td>
158</tr>
159END
160;
161}
162if ($netsettings{'ORANGE_DEV'} ne '') {
163print <<END
164<tr>
165 <td class='base'><input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} />
166 ORANGE Snort</td>
167</tr>
168END
169;
170}
171print <<END
172<tr>
173 <td class='base'><input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} />
174 RED Snort</td>
175</tr>
176<tr>
177 <td><hr /></td>
178</tr>
179<tr>
180 <td><b>$Lang::tr{'ids rules update'}</b></td>
181</tr>
182<tr>
183 <td><input type='radio' name='RULESTYPE' value='nothing' $checked{'RULESTYPE'}{'nothing'} />
184 $Lang::tr{'no'}</td>
185</tr>
186<tr>
187 <td><input type='radio' name='RULESTYPE' value='registered' $checked{'RULESTYPE'}{'registered'} />
188 $Lang::tr{'registered user rules'}</td>
189</tr>
190<tr>
191 <td><input type='radio' name='RULESTYPE' value='subscripted' $checked{'RULESTYPE'}{'subscripted'} />
192 $Lang::tr{'subscripted user rules'}</td>
193</tr>
194<tr>
195 <td><br />
196 $Lang::tr{'ids rules license'} <a href='http://www.snort.org/' target='_blank'>http://www.snort.org</a>.<br />
197 <br />
198 $Lang::tr{'ids rules license2'} <a href='http://www.snort.org/reg-bin/userprefs.cgi' target='_blank'>USER PREFERENCES</a>, $Lang::tr{'ids rules license3'}<br />
199 </td>
200</tr>
201<tr>
202 <td nowrap='nowrap'>Oink Code:&nbsp;<input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td>
203</tr>
204<tr>
205 <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' />
206END
207;
208
209if ($snortsettings{'INSTALLMD5'} eq $md5) {
210 print "&nbsp;$Lang::tr{'rules already up to date'}</td>";
211} else {
212 if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} && $md5 eq $realmd5 ) {
213 $snortsettings{'INSTALLMD5'} = $realmd5;
214 $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`;
215 &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
216 }
217 print "&nbsp;$Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
218}
219print <<END
220</tr>
221</table>
222<hr />
223<table width='100%'>
224<tr>
225 <td width='55%'>&nbsp;</td>
226 <td width='40%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
227 <td width='5%'>
228 &nbsp; <!-- space for future online help link -->
229 </td>
230</tr>
231</table>
232</form>
233END
234;
235
236if ($results ne '') {
237 print "$results";
238}
239
240&Header::closebox();
241&Header::closebigbox();
242&Header::closepage();
243
244sub getmd5 {
245 # Retrieve MD5 sum from $url.md5 file
246 #
247 my $md5buf = &geturl("$url.md5");
248 return undef unless $md5buf;
249
250 if (0) { # 1 to debug
251 my $filename='';
252 my $fh='';
253 ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.md5' );
254 binmode ($fh);
255 syswrite ($fh, $md5buf->content);
256 close($fh);
257 }
258 return $md5buf->content;
259}
260sub downloadrulesfile {
261 my $return = &geturl($url);
262 return undef unless $return;
263
264 if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning
265 $errormessage = $Lang::tr{'invalid loaded file'};
266 return undef;
267 }
268
269 my $filename='';
270 my $fh='';
271 ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension
272 binmode ($fh);
273 syswrite ($fh, $return->content);
274 close($fh);
275 return $filename;
276}
277
278sub geturl ($) {
279 my $url=$_[0];
280
281 unless (-e "${General::swroot}/red/active") {
282 $errormessage = $Lang::tr{'could not download latest updates'};
283 return undef;
284 }
285
286 my $downloader = LWP::UserAgent->new;
287 $downloader->timeout(5);
288
289 my %proxysettings=();
290 &General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
291
292 if ($_=$proxysettings{'UPSTREAM_PROXY'}) {
293 my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
294 if ($proxysettings{'UPSTREAM_USER'}) {
295 $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/");
296 } else {
297 $downloader->proxy("http","http://$peer:$peerport/");
298 }
299 }
300
301 my $return = $downloader->get($url,'Cache-Control','no-cache');
302
303 if ($return->code == 403) {
304 $errormessage = $Lang::tr{'access refused with this oinkcode'};
305 return undef;
306 } elsif (!$return->is_success()) {
307 $errormessage = $Lang::tr{'could not download latest updates'};
308 return undef;
309 }
310
311 return $return;
312
313}