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[ipfire-2.x.git] / html / cgi-bin / logs.cgi / ids.dat
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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# Copyright (C) 18-03-2002 Mark Wormgoor <mark@wormgoor.com>
10# - Added links to Snort database and ipinfo.cgi
11#
12# $Id: ids.dat,v 1.6.2.16 2005/06/14 08:25:30 eoberlander Exp $
13#
14
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
25use POSIX();
26
27#workaround to suppress a warning when a variable is used only once
28my @dummy = ( ${Header::table1colour}, ${Header::table2colour} );
29undef (@dummy);
30
31my %cgiparams=();
32my %logsettings=();
33my @log=();
34my $errormessage = '';
35
36my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
37 'Sep', 'Oct', 'Nov', 'Dec' );
38my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
39 $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
40 $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
41 $Lang::tr{'december'} );
42
43my @now = localtime(time);
44my $dow = $now[6];
45my $doy = $now[7];
46my $tdoy = $now[7];
47my $year = $now[5]+1900;
48
49$cgiparams{'DAY'} = $now[3];
50$cgiparams{'MONTH'} = $now[4];
51$cgiparams{'ACTION'} = '';
52
53&Header::getcgihash(\%cgiparams);
54$logsettings{'LOGVIEW_REVERSE'} = 'off';
55&General::readhash("${General::swroot}/logging/settings", \%logsettings);
56${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
57$Header::viewsize /= 5; # each ids is displayed on 5 lines
58
59$now[4] = $cgiparams{'MONTH'}+1;
60if($now[4] < 10) {
61 $now[4] = "0$now[4]"; }
62
63my $start = -1;
64if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
65{
66 my @temp = split(',',$ ENV{'QUERY_STRING'});
67 $start = $temp[0];
68 $cgiparams{'MONTH'} = $temp[1];
69 $cgiparams{'DAY'} = $temp[2];
70}
71
72if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
73 !($cgiparams{'DAY'} =~ /^(1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31)$/))
74{
75 $cgiparams{'DAY'} = $now[3];
76 $cgiparams{'MONTH'} = $now[4];
77}
78elsif($cgiparams{'ACTION'} eq '>>')
79{
80 my @temp_then=();
81 my @temp_now = localtime(time);
82 $temp_now[4] = $cgiparams{'MONTH'};
83 $temp_now[3] = $cgiparams{'DAY'};
84 @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
85 ## Retrieve the same time on the next day +
86 ## 86400 seconds in a day
87 $cgiparams{'MONTH'} = $temp_then[4];
88 $cgiparams{'DAY'} = $temp_then[3];
89}
90elsif($cgiparams{'ACTION'} eq '<<')
91{
92 my @temp_then=();
93 my @temp_now = localtime(time);
94 $temp_now[4] = $cgiparams{'MONTH'};
95 $temp_now[3] = $cgiparams{'DAY'};
96 @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
97 ## Retrieve the same time on the previous day -
98 ## 86400 seconds in a day
99 $cgiparams{'MONTH'} = $temp_then[4];
100 $cgiparams{'DAY'} = $temp_then[3];
101}
102
103
104if (($cgiparams{'DAY'} ne $now[3]) || ($cgiparams{'MONTH'} ne $now[4]))
105{
106 my @then = ();
107 if ( ( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
108 ( $cgiparams{'MONTH'} > $now[4] ) ) {
109 @then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 ));
110 } else {
111 @then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 ));
112 }
113 $tdoy = $then[7];
114 my $lastleap=($year-1)%4;
115 if ($tdoy>$doy) {
116 if ($lastleap == 0 && $tdoy < 60) {
117 $doy=$doy+366;
118 } else {
119 $doy=$doy+365;
120 }
121 }
122}
123my $datediff=0;
124my $dowd=0;
125my $multifile=0;
126if ($tdoy ne $doy) {
127 $datediff=int(($doy-$tdoy)/7);
128 $dowd=($doy-$tdoy)%7;
129 if (($dow-$dowd)<1) {
130 $datediff=$datediff+1;
131 }
132 if (($dow-$dowd)==0) {
133 $multifile=1;
134 }
135}
136
137my $longmonthstr = $longmonths[$cgiparams{'MONTH'}];
138my $monthnum = $cgiparams{'MONTH'} + 1;
139my $monthstr = $monthnum <= 9 ? "0$monthnum" : "$monthnum";
140my $daystr = $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
141
142my $lines = 0;
143my ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid, @refs);
144
145&processevent;
146
147if ($multifile) {
148 $datediff=$datediff-1;
149 &processevent;
150}
151
152if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
153{
154 print "Content-type: text/plain\n\n";
78331e30 155 print "IPFire IDS snort log\r\n";
cd1a2927
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156 print "Date: $cgiparams{'DAY'} $longmonths[$cgiparams{'MONTH'}]\r\n";
157 print "\r\n";
158
159 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
160
161 foreach $_ (@log)
162 {
163 my ($datetime,$title,$priority,$classification,$srcip,$srcport,$destip,$destport,$sid,$refs) = split(/\|/);
164 $refs =~ s/,$//;
165 print "Date: $datetime\n";
166 print "Name: $title\n";
167 print "Priority: $priority\n";
168 print "Type: $classification\n";
169 print "IP Info: ";
170 print "$srcip";
171 if ($srcport != "n/a") {
172 print ":$srcport";
173 }
174 print " -> ";
175 print "$destip";
176 if ($destport != "n/a") {
177 print ":$destport";
178 }
179 print "\n";
180 print "SID: $sid\n";
181 print "Refs: $refs\n\n";
182 }
183
184 exit;
185}
186
187&Header::showhttpheaders();
188
189&Header::openpage($Lang::tr{'ids log viewer'}, 1, '');
190
191&Header::openbigbox('100%', 'left', '', $errormessage);
192
193if ($errormessage) {
194 &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
195 print "<font class='base'>$errormessage&nbsp;</font>\n";
196 &Header::closebox();
197}
198
199&Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
200
201print <<END
202<form method='post' action="$ENV{'SCRIPT_NAME'}">
203<table width='100%'>
204<tr>
205 <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
206 <td width='10%'>
207 <select name='MONTH'>
208END
209;
210for (my $month = 0; $month < 12; $month++)
211{
212 print "\t<option ";
213 if ($month == $cgiparams{'MONTH'}) {
214 print 'selected="selected" '; }
215 print "value='$month'>$longmonths[$month]</option>\n";
216}
217print <<END
218 </select>
219 </td>
220 <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
221 <td width='40%'>
222 <select name='DAY'>
223END
224;
225for (my $day = 1; $day <= 31; $day++)
226{
227 print "\t<option ";
228 if ($day == $cgiparams{'DAY'}) {
229 print 'selected="selected" '; }
230 print "value='$day'>$day</option>\n";
231}
232print <<END
233 </select>
234 </td>
235 <td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
236 <td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
237 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
238 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
239</tr>
240</table>
241</form>
242END
243;
244
245&Header::closebox();
246
247&Header::openbox('100%', 'left', $Lang::tr{'log'});
248print "<p><b>$Lang::tr{'snort hits'} $longmonthstr $daystr: $lines</b></p>";
249
250if ($start == -1) {
251 $start = $lines - ${Header::viewsize}; }
252if ($start >= $lines - ${Header::viewsize}) { $start = $lines - ${Header::viewsize}; };
253if ($start < 0) { $start = 0; }
254
255my $prev = $start - ${Header::viewsize};
256my $next = $start + ${Header::viewsize};
257
258if ($prev < 0) { $prev = 0; }
259if ($next >= $lines) { $next = -1 }
260if ($start == 0) { $prev = -1; }
261my @slice = splice(@log, $start, ${Header::viewsize});
262
263if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @slice = reverse @slice; }
264
265if ($lines != 0) {
266
267&oldernewer();
268
269$lines = 0;
270
271print <<END
272<table width='100%'>
273END
274;
275
276foreach $_ (@slice)
277{
278 if ($lines % 2) {
279 print "<tr bgcolor='${Header::table1colour}'><td>\n"; }
280 else {
281 print "<tr bgcolor='${Header::table2colour}'><td>\n"; }
282 my ($datetime,$title,$priority,$classification,$srcip,$srcport,$destip,$destport,$sid,$refs) = split(/\|/);
283 print <<END
284<table width='100%'>
285<tr>
286<td width='15%'><b>$Lang::tr{'date'}:</b></td><td width='25%'>$datetime</td>
287<td width='10%'><b>$Lang::tr{'name'}:</b></td><td width='50%'>$title</td>
288</tr>
289<tr><td><b>$Lang::tr{'priority'}:</b></td><td>$priority</td>
290<td><b>$Lang::tr{'type'}:</b></td><td>$classification</td>
291</tr>
292<tr><td><b>$Lang::tr{'ipinfo'}:</b></td>
293<td colspan='3'>
294END
295 ;
296 if ($srcip ne "n/a") {
297 print "<a href='/cgi-bin/ipinfo.cgi?ip=$srcip'>$srcip</a>";
298 } else {
299 print "$srcip";
300 }
301 print ":$srcport -&gt; ";
302 if ($destip ne "n/a") {
303 print "<a href='/cgi-bin/ipinfo.cgi?ip=$destip'>$destip</a>";
304 } else {
305 print "$destip";
306 }
307 print ":$destport";
308print <<END
309</td>
310</tr>
311<tr><td valign='top'><b>$Lang::tr{'references'}:</b></td><td valign='top'>
312END
313;
314 foreach my $ref (split(/,/,$refs)) {
315 if ($ref =~ m/url (.*)/) {
316 print "<a href='http://$1'>$1</a><br />";
317 } elsif ($ref =~ m/cve (.*)/) {
318 print "<a href='http://cve.mitre.org/cgi-bin/cvename.cgi?name=$1'>$1</a><br />";
319 } elsif ($ref =~ m/nessus (.*)/) {
320 print "<a href='http://cgi.nessus.org/plugins/dump.php3?id=$1'>Nessus $1</a><br />";
321 } elsif ($ref =~ m/bugtraq (.*)/) {
322 print "<a href='http://www.securityfocus.com/bid/$1'>Bugtraq $1</a><br />";
323 } else {
324 print "$ref<br />";
325 }
326 }
327 print $Lang::tr{'none found'} unless $refs =~ /,/;
328print <<END
329<td valign='top'><b>SID:</b></td>
330<td valign='top'>
331END
332 ;
333 if ($sid ne "n/a") {
334 print "<a href='http://www.snort.org/pub-bin/sigs.cgi?sid=$sid' ";
335 print "target='_blank'>$sid</a></td>\n";
336 } else {
337 print $sid;
338 }
339print <<END
340</tr>
341</table>
342</td></tr>
343END
344 ;
345 $lines++;
346}
347
348print "</table>";
349
350}
351
352&oldernewer();
353
354&Header::closebox();
355
356&Header::closebigbox();
357
358&Header::closepage();
359
360sub processevent
361{
362 our ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid, @refs);
363
364 my $filestr='';
365 if ($datediff==0) {
366 $filestr="/var/log/snort/alert";
367 } else {
368 $filestr="/var/log/snort/alert.$datediff";
369 $filestr = "$filestr.gz" if -f "$filestr.gz";
370 }
371 if (!(open (LOG,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
372 $errormessage="$errormessage$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
373 } else {
374 my $line = 0;
375
376 while(<LOG>) {
377 $line++;
378 if ($_ =~ m/\[\*\*\]/) {
379 unless ($line == 1 || $date ne "$monthstr/$daystr") {
380 &append;
381 $line = 1;
382 }
383 ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid) = ("n/a","n/a","n/a","n/a","n/a","n/a","n/a","n/a","n/a", "n/a");
384 @refs = ();
385 $_ =~ m/:([0-9]{1,4})\] (.*) \[\*\*\]/;
386 $title = &Header::cleanhtml($2,"y");
387 }
388 if ($_ =~ m/Classification: (.*)\] \[Priority: (\d)\]/) {
389 $classification = &Header::cleanhtml($1,"y");
390 $priority = $2;
391 }
392 if ($_ =~ m/([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3}) \-\> ([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/) {
393 $srcip = $1 . "." . $2 . "." . $3 . "." . $4;
394 $destip = $5 . "." . $6 . "." . $7 . "." . $8;
395 }
396 if ($_ =~ m/([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\:([0-9]{1,6}) \-\> ([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\:([0-9]{1,6})/) {
397 $srcip = $1 . "." . $2 . "." . $3 . "." . $4;
398 $srcport = $5;
399 $destip = $6 . "." . $7 . "." . $8 . "." . $9;
400 $destport = $10;
401 }
402
403 if ($_ =~ m/^([0-9\/]{3,5})\-([0-9\:]{5,8})\.([0-9]{1,14})/) {
404 ($date,$time) = ($1,$2);
405 }
406 if ($_ =~ m/\[Xref \=\>.*\]/) {
407 $_ =~ s/\]\[Xref \=\> /, /g;
408 $_ =~ m/\[Xref \=\> (.*)\]/;
409 push(@refs, $1);
410 }
411 if ($_ =~ m/\[1:([0-9]+):[0-9]+\]/) {
412 $sid = $1;
413 }
414 }
415 $line++;
416 unless ($line == 1 || $date ne "$monthstr/$daystr") { &append; }
417 close(LOG);
418 }
419}
420
421sub append
422{
423 our ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid, @refs);
424
425 $log[$lines] = "$date $time|$title|$priority|$classification|$srcip|$srcport|$destip|$destport|$sid|";
426 foreach $_ (@refs) {
427 $log[$lines] = "$log[$lines]$_,"; }
428 $lines++;
429}
430
431sub oldernewer
432{
433print <<END
434<table width='100%'>
435<tr>
436END
437;
438
439print "<td align='center' width='50%'>";
440if ($prev != -1) {
441 print "<a href='/cgi-bin/logs.cgi/ids.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>"; }
442else {
443 print "$Lang::tr{'older'}"; }
444print "</td>\n";
445
446print "<td align='center' width='50%'>";
447if ($next != -1) {
448 print "<a href='/cgi-bin/logs.cgi/ids.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a>"; }
449else {
450 print "$Lang::tr{'newer'}"; }
451print "</td>\n";
452
453print <<END
454</tr>
455</table>
456END
457;
458}