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 '/var/ipfire/general-functions.pl';
  22 require "${General::swroot}/lang.pl";
  23 require "${General::swroot}/header.pl";
  24
  25 my %color = ();
  26 my %mainsettings = ();
  27 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  28 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  29
  30 use POSIX();
  31
  32 #workaround to suppress a warning when a variable is used only once
  33 my @dummy = ( ${Header::table1colour}, ${Header::table2colour} );
  34 undef (@dummy);
  35
  36 my %cgiparams=();
  37 my %logsettings=();
  38 my @log=();
  39 my $errormessage = '';
  40
  41 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  42         'Sep', 'Oct', 'Nov', 'Dec' );
  43 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  44         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  45         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  46         $Lang::tr{'december'} );
  47
  48 my @now = localtime(time);
  49 my $dow = $now[6];
  50 my $doy = $now[7];
  51 my $tdoy = $now[7];
  52 my $year = $now[5]+1900;
  53
  54 $cgiparams{'DAY'} = $now[3];
  55 $cgiparams{'MONTH'} = $now[4];
  56 $cgiparams{'ACTION'} = '';
  57
  58 &Header::getcgihash(\%cgiparams);
  59 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  60 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  61 ${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
  62 $Header::viewsize /= 5; # each ids is displayed on 5 lines
  63
  64 $now[4] = $cgiparams{'MONTH'}+1;
  65 if($now[4] < 10) {
  66         $now[4] = "0$now[4]"; }
  67
  68 my $start = -1;
  69 if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
  70 {
  71         my @temp = split(',',$ ENV{'QUERY_STRING'});
  72         $start = $temp[0];
  73         $cgiparams{'MONTH'} = $temp[1];
  74         $cgiparams{'DAY'} = $temp[2];
  75 }
  76
  77 if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
  78         !($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)$/))
  79 {
  80         $cgiparams{'DAY'} = $now[3];
  81         $cgiparams{'MONTH'} = $now[4];
  82 }
  83 elsif($cgiparams{'ACTION'} eq '>>')
  84 {
  85         my @temp_then=();
  86         my @temp_now = localtime(time);
  87         $temp_now[4] = $cgiparams{'MONTH'};
  88         $temp_now[3] = $cgiparams{'DAY'};
  89         @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  90            ## Retrieve the same time on the next day +
  91            ## 86400 seconds in a day
  92         $cgiparams{'MONTH'} = $temp_then[4];
  93         $cgiparams{'DAY'} = $temp_then[3];
  94 }
  95 elsif($cgiparams{'ACTION'} eq '<<')
  96 {
  97         my @temp_then=();
  98         my @temp_now = localtime(time);
  99         $temp_now[4] = $cgiparams{'MONTH'};
 100         $temp_now[3] = $cgiparams{'DAY'};
 101         @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
 102            ## Retrieve the same time on the previous day -
 103            ## 86400 seconds in a day
 104         $cgiparams{'MONTH'} = $temp_then[4];
 105         $cgiparams{'DAY'} = $temp_then[3];
 106 }
 107
 108
 109 if (($cgiparams{'DAY'} ne $now[3]) || ($cgiparams{'MONTH'} ne $now[4]))
 110 {
 111         my @then = ();
 112         if ( (  $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
 113                         ( $cgiparams{'MONTH'} > $now[4] ) ) {
 114                 @then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 ));
 115         } else {
 116                 @then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 ));
 117         }
 118         $tdoy = $then[7];
 119         my $lastleap=($year-1)%4;
 120         if ($tdoy>$doy) {
 121                 if ($lastleap == 0 && $tdoy < 60) {
 122                         $doy=$doy+366;
 123                 } else {
 124                         $doy=$doy+365;
 125                 }
 126         }
 127 }
 128 my $datediff=0;
 129 my $dowd=0;
 130 my $multifile=0;
 131 if ($tdoy ne $doy) {
 132         $datediff=int(($doy-$tdoy)/7);
 133         $dowd=($doy-$tdoy)%7;
 134         if (($dow-$dowd)<1) {
 135                 $datediff=$datediff+1;
 136         }
 137         if (($dow-$dowd)==0) {
 138                 $multifile=1;
 139         }
 140 }
 141
 142 my $longmonthstr = $longmonths[$cgiparams{'MONTH'}];
 143 my $monthnum = $cgiparams{'MONTH'} + 1;
 144 my $monthstr = $monthnum <= 9 ? "0$monthnum" : "$monthnum";
 145 my $daystr = $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 146
 147 my $lines = 0;
 148 my ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid, @refs);
 149
 150 &processevent;
 151
 152 if ($multifile) {
 153         $datediff=$datediff-1;
 154         &processevent;
 155 }
 156
 157 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 158 {
 159         print "Content-type: text/plain\n\n";
 160         print "IPFire IDS snort log\r\n";
 161         print "Date: $cgiparams{'DAY'} $longmonths[$cgiparams{'MONTH'}]\r\n";
 162         print "\r\n";
 163
 164         if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 165
 166         foreach $_ (@log)
 167         {
 168                 my ($datetime,$title,$priority,$classification,$srcip,$srcport,$destip,$destport,$sid,$refs) = split(/\|/);
 169                 $refs =~ s/,$//;
 170                 print "Date: $datetime\n";
 171                 print "Name: $title\n";
 172                 print "Priority: $priority\n";
 173                 print "Type: $classification\n";
 174                 print "IP Info: ";
 175                 print "$srcip";
 176                 if ($srcport != "n/a") {
 177                         print ":$srcport";
 178                 }
 179                 print " -> ";
 180                 print "$destip";
 181                 if ($destport != "n/a") {
 182                         print ":$destport";
 183                 }
 184                 print "\n";
 185                 print "SID: $sid\n";
 186                 print "Refs: $refs\n\n";
 187         }
 188
 189         exit;
 190 }
 191
 192 &Header::showhttpheaders();
 193
 194 &Header::openpage($Lang::tr{'ids log viewer'}, 1, '');
 195
 196 &Header::openbigbox('100%', 'left', '', $errormessage);
 197
 198 if ($errormessage) {
 199         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 200         print "<font class='base'>$errormessage&nbsp;</font>\n";
 201         &Header::closebox();
 202 }
 203
 204 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
 205
 206 print <<END
 207 <form method='post' action="$ENV{'SCRIPT_NAME'}">
 208 <table width='100%'>
 209 <tr>
 210         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 211         <td width='10%'>
 212         <select name='MONTH'>
 213 END
 214 ;
 215 for (my $month = 0; $month < 12; $month++)
 216 {
 217         print "\t<option ";
 218         if ($month == $cgiparams{'MONTH'}) {
 219                 print 'selected="selected" '; }
 220         print "value='$month'>$longmonths[$month]</option>\n";
 221 }
 222 print <<END
 223         </select>
 224         </td>
 225         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 226         <td width='40%'>
 227         <select name='DAY'>
 228 END
 229 ;
 230 for (my $day = 1; $day <= 31; $day++)
 231 {
 232         print "\t<option ";
 233         if ($day == $cgiparams{'DAY'}) {
 234                 print 'selected="selected" '; }
 235         print "value='$day'>$day</option>\n";
 236 }
 237 print <<END
 238         </select>
 239         </td>
 240         <td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 241         <td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 242         <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 243         <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
 244 </tr>
 245 </table>
 246 </form>
 247 END
 248 ;
 249
 250 &Header::closebox();
 251
 252 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 253 print "<p><b>$Lang::tr{'snort hits'} $longmonthstr $daystr: $lines</b></p>";
 254
 255 if ($start == -1) {
 256         $start = $lines - ${Header::viewsize}; }
 257 if ($start >= $lines - ${Header::viewsize}) { $start = $lines - ${Header::viewsize}; };
 258 if ($start < 0) { $start = 0; }
 259
 260 my $prev = $start - ${Header::viewsize};
 261 my $next = $start + ${Header::viewsize};
 262
 263 if ($prev < 0) { $prev = 0; }
 264 if ($next >= $lines) { $next = -1 }
 265 if ($start == 0) { $prev = -1; }
 266 my @slice = splice(@log, $start, ${Header::viewsize});
 267
 268 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @slice = reverse @slice; }
 269
 270 if ($lines != 0) {
 271
 272 &oldernewer();
 273
 274 $lines = 0;
 275
 276 print <<END
 277 <table width='100%'>
 278 END
 279 ;
 280
 281 foreach $_ (@slice)
 282 {
 283         if ($lines % 2) {
 284                 print "<tr bgcolor='$color{'color20'}'><td>\n"; }
 285         else {
 286                 print "<tr bgcolor='$color{'color22'}'><td>\n"; }
 287         my ($datetime,$title,$priority,$classification,$srcip,$srcport,$destip,$destport,$sid,$refs) = split(/\|/);
 288         print <<END
 289 <table width='100%'>
 290 <tr>
 291 <td width='15%'><b>$Lang::tr{'date'}:</b></td><td width='25%'>$datetime</td>
 292 <td width='10%'><b>$Lang::tr{'name'}:</b></td><td width='50%'>$title</td>
 293 </tr>
 294 <tr><td><b>$Lang::tr{'priority'}:</b></td><td>$priority</td>
 295 <td><b>$Lang::tr{'type'}:</b></td><td>$classification</td>
 296 </tr>
 297 <tr><td><b>$Lang::tr{'ipinfo'}:</b></td>
 298 <td colspan='3'>
 299 END
 300         ;
 301         if ($srcip ne "n/a") {
 302                 print "<a href='/cgi-bin/ipinfo.cgi?ip=$srcip'>$srcip</a>";
 303         } else {
 304                 print "$srcip";
 305         }
 306         print ":$srcport -&gt; ";
 307         if ($destip ne "n/a") {
 308                 print "<a href='/cgi-bin/ipinfo.cgi?ip=$destip'>$destip</a>";
 309         } else {
 310                 print "$destip";
 311         }
 312         print ":$destport";
 313 print <<END
 314 </td>
 315 </tr>
 316 <tr><td valign='top'><b>$Lang::tr{'references'}:</b></td><td valign='top'>
 317 END
 318 ;
 319         foreach my $ref (split(/,/,$refs)) {
 320                 if ($ref =~ m/url (.*)/) {
 321                         print "<a href='http://$1'>$1</a><br />";
 322                 } elsif ($ref =~ m/cve (.*)/) {
 323                         print "<a href='http://cve.mitre.org/cgi-bin/cvename.cgi?name=$1'>$1</a><br />";
 324                 } elsif ($ref =~ m/nessus (.*)/) {
 325                         print "<a href='http://cgi.nessus.org/plugins/dump.php3?id=$1'>Nessus $1</a><br />";
 326                 } elsif ($ref =~ m/bugtraq (.*)/) {
 327                         print "<a href='http://www.securityfocus.com/bid/$1'>Bugtraq $1</a><br />";
 328                 } else {
 329                         print "$ref<br />";
 330                 }
 331         }
 332         print $Lang::tr{'none found'} unless $refs =~ /,/;
 333 print <<END
 334 <td valign='top'><b>SID:</b></td>
 335 <td valign='top'>
 336 END
 337         ;
 338         if ($sid ne "n/a") {
 339                 print "<a href='http://www.snort.org/pub-bin/sigs.cgi?sid=$sid' ";
 340                 print "target='_blank'>$sid</a></td>\n";
 341         } else {
 342                 print $sid;
 343         }
 344 print <<END
 345 </tr>
 346 </table>
 347 </td></tr>
 348 END
 349         ;
 350         $lines++;
 351 }
 352
 353 print "</table>";
 354
 355 }
 356
 357 &oldernewer();
 358
 359 &Header::closebox();
 360
 361 &Header::closebigbox();
 362
 363 &Header::closepage();
 364
 365 sub processevent
 366 {
 367         our ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid, @refs);
 368
 369         my $filestr='';
 370         if ($datediff==0) {
 371                 $filestr="/var/log/snort/alert";
 372         } else {
 373                 $filestr="/var/log/snort/alert.$datediff";
 374                 $filestr = "$filestr.gz" if -f "$filestr.gz";
 375         }
 376         if (!(open (LOG,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
 377                 $errormessage="$errormessage$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 378         } else {
 379                 my $line = 0;
 380
 381                 while(<LOG>) {
 382                         $line++;
 383                         if ($_ =~ m/\[\*\*\]/) {
 384                                 unless ($line == 1 || $date ne "$monthstr/$daystr") {
 385                                         &append;
 386                                         $line = 1;
 387                                 }
 388                                 ($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");
 389                                 @refs = ();
 390                                 $_ =~ m/:([0-9]{1,4})\] (.*) \[\*\*\]/;
 391                                 $title = &Header::cleanhtml($2,"y");
 392                         }
 393                         if ($_ =~ m/Classification: (.*)\] \[Priority: (\d)\]/) {
 394                                 $classification = &Header::cleanhtml($1,"y");
 395                                 $priority = $2;
 396                         }
 397                         if ($_ =~ 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})/) {
 398                                 $srcip = $1 . "." . $2 . "." . $3 . "." . $4;
 399                                 $destip = $5 . "." . $6 . "." . $7 . "." . $8;
 400                         }
 401                         if ($_ =~ 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})/) {
 402                                 $srcip = $1 . "." . $2 . "." . $3 . "." . $4;
 403                                 $srcport = $5;
 404                                 $destip = $6 . "." . $7 . "." . $8 . "." . $9;
 405                                 $destport = $10;
 406                         }
 407
 408                         if ($_  =~ m/^([0-9\/]{3,5})\-([0-9\:]{5,8})\.([0-9]{1,14})/) {
 409                                 ($date,$time) = ($1,$2);
 410                         }
 411                         if ($_ =~ m/\[Xref \=\>.*\]/) {
 412                                 $_ =~ s/\]\[Xref \=\> /, /g;
 413                                 $_ =~ m/\[Xref \=\> (.*)\]/;
 414                                 push(@refs, $1);
 415                         }
 416                         if ($_ =~ m/\[1:([0-9]+):[0-9]+\]/) {
 417                                 $sid = $1;
 418                         }
 419                 }
 420                 $line++;
 421                 unless ($line == 1 || $date ne "$monthstr/$daystr") { &append; }
 422                 close(LOG);
 423         }
 424 }
 425
 426 sub append
 427 {
 428         our ($title,$classification,$priority,$date,$time,$srcip,$srcport,$destip,$destport, $sid, @refs);
 429
 430         $log[$lines] = "$date $time|$title|$priority|$classification|$srcip|$srcport|$destip|$destport|$sid|";
 431         foreach $_ (@refs) {
 432                 $log[$lines] = "$log[$lines]$_,"; }
 433         $lines++;
 434 }
 435
 436 sub oldernewer
 437 {
 438 print <<END
 439 <table width='100%'>
 440 <tr>
 441 END
 442 ;
 443
 444 print "<td align='center' width='50%'>";
 445 if ($prev != -1) {
 446         print "<a href='/cgi-bin/logs.cgi/ids.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>"; }
 447 else {
 448         print "$Lang::tr{'older'}"; }
 449 print "</td>\n";
 450
 451 print "<td align='center' width='50%'>";
 452 if ($next != -1) {
 453         print "<a href='/cgi-bin/logs.cgi/ids.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a>"; }
 454 else {
 455         print "$Lang::tr{'newer'}"; }
 456 print "</td>\n";
 457
 458 print <<END
 459 </tr>
 460 </table>
 461 END
 462 ;
 463 }