html/cgi-bin/logs.cgi/ids.dat

   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
  15 use strict;
  16
  17 # enable only the following on debugging purpose
  18 #use warnings;
  19 #use CGI::Carp 'fatalsToBrowser';
  20
  21 require 'CONFIG_ROOT/general-functions.pl';
  22 require "${General::swroot}/lang.pl";
  23 require "${General::swroot}/header.pl";
  24
  25 use POSIX();
  26
  27 #workaround to suppress a warning when a variable is used only once
  28 my @dummy = ( ${Header::table1colour}, ${Header::table2colour} );
  29 undef (@dummy);
  30
  31 my %cgiparams=();
  32 my %logsettings=();
  33 my @log=();
  34 my $errormessage = '';
  35
  36 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  37         'Sep', 'Oct', 'Nov', 'Dec' );
  38 my @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
  43 my @now = localtime(time);
  44 my $dow = $now[6];
  45 my $doy = $now[7];
  46 my $tdoy = $now[7];
  47 my $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] = $cgiparams{'MONTH'}+1;
  60 if($now[4] < 10) {
  61         $now[4] = "0$now[4]"; }
  62
  63 my $start = -1;
  64 if ($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'} = $temp[2];
  70 }
  71
  72 if (!($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'} = $now[4];
  77 }
  78 elsif($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'} = $temp_then[3];
  89 }
  90 elsif($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'} = $temp_then[3];
 101 }
 102
 103
 104 if (($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 }
 123 my $datediff=0;
 124 my $dowd=0;
 125 my $multifile=0;
 126 if ($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
 137 my $longmonthstr = $longmonths[$cgiparams{'MONTH'}];
 138 my $monthnum = $cgiparams{'MONTH'} + 1;
 139 my $monthstr = $monthnum <= 9 ? "0$monthnum" : "$monthnum";
 140 my $daystr = $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 141
 142 my $lines = 0;
 143 my ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid, @refs);
 144
 145 &processevent;
 146
 147 if ($multifile) {
 148         $datediff=$datediff-1;
 149         &processevent;
 150 }
 151
 152 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 153 {
 154         print "Content-type: text/plain\n\n";
 155         print "IPFire IDS snort log\r\n";
 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', '', $errormessage);
 192
 193 if ($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', "$Lang::tr{'settings'}:");
 200
 201 print <<END
 202 <form method='post' action="$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'>
 208 END
 209 ;
 210 for (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 }
 217 print <<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'>
 223 END
 224 ;
 225 for (my $day = 1; $day <= 31; $day++)
 226 {
 227         print "\t<option ";
 228         if ($day == $cgiparams{'DAY'}) {
 229                 print 'selected="selected" '; }
 230         print "value='$day'>$day</option>\n";
 231 }
 232 print <<END
 233         </select>
 234         </td>
 235         <td width='5%' align='center'><input type='submit' name='ACTION' title='$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>
 242 END
 243 ;
 244
 245 &Header::closebox();
 246
 247 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 248 print "<p><b>$Lang::tr{'snort hits'} $longmonthstr $daystr: $lines</b></p>";
 249
 250 if ($start == -1) {
 251         $start = $lines - ${Header::viewsize}; }
 252 if ($start >= $lines - ${Header::viewsize}) { $start = $lines - ${Header::viewsize}; };
 253 if ($start < 0) { $start = 0; }
 254
 255 my $prev = $start - ${Header::viewsize};
 256 my $next = $start + ${Header::viewsize};
 257
 258 if ($prev < 0) { $prev = 0; }
 259 if ($next >= $lines) { $next = -1 }
 260 if ($start == 0) { $prev = -1; }
 261 my @slice = splice(@log, $start, ${Header::viewsize});
 262
 263 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @slice = reverse @slice; }
 264
 265 if ($lines != 0) {
 266
 267 &oldernewer();
 268
 269 $lines = 0;
 270
 271 print <<END
 272 <table width='100%'>
 273 END
 274 ;
 275
 276 foreach $_ (@slice)
 277 {
 278         if ($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>$Lang::tr{'ipinfo'}:</b></td>
 293 <td colspan='3'>
 294 END
 295         ;
 296         if ($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 ":$destport";
 308 print <<END
 309 </td>
 310 </tr>
 311 <tr><td valign='top'><b>$Lang::tr{'references'}:</b></td><td valign='top'>
 312 END
 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 $refs =~ /,/;
 328 print <<END
 329 <td valign='top'><b>SID:</b></td>
 330 <td valign='top'>
 331 END
 332         ;
 333         if ($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         }
 339 print <<END
 340 </tr>
 341 </table>
 342 </td></tr>
 343 END
 344         ;
 345         $lines++;
 346 }
 347
 348 print "</table>";
 349
 350 }
 351
 352 &oldernewer();
 353
 354 &Header::closebox();
 355
 356 &Header::closebigbox();
 357
 358 &Header::closepage();
 359
 360 sub processevent
 361 {
 362         our ($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/$daystr") { &append; }
 417                 close(LOG);
 418         }
 419 }
 420
 421 sub append
 422 {
 423         our ($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         $lines++;
 429 }
 430
 431 sub oldernewer
 432 {
 433 print <<END
 434 <table width='100%'>
 435 <tr>
 436 END
 437 ;
 438
 439 print "<td align='center' width='50%'>";
 440 if ($prev != -1) {
 441         print "<a href='/cgi-bin/logs.cgi/ids.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>"; }
 442 else {
 443         print "$Lang::tr{'older'}"; }
 444 print "</td>\n";
 445
 446 print "<td align='center' width='50%'>";
 447 if ($next != -1) {
 448         print "<a href='/cgi-bin/logs.cgi/ids.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a>"; }
 449 else {
 450         print "$Lang::tr{'newer'}"; }
 451 print "</td>\n";
 452
 453 print <<END
 454 </tr>
 455 </table>
 456 END
 457 ;
 458 }