html/cgi-bin/logs.cgi/firewalllog.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 # $Id: firewalllog.dat,v 1.4.2.18 2005/08/23 12:01:50 eoberlander Exp $
  10 #
  11 # July 28, 2003 - Darren Critchley - darren@kdi.ca
  12 #       - added source mac adapter to layout
  13 #
  14 use strict;
  15
  16 use Geo::IP::PurePerl;
  17 use Getopt::Std;
  18
  19 # enable only the following on debugging purpose
  20 #use warnings;
  21 #use CGI::Carp 'fatalsToBrowser';
  22
  23 require '/var/ipfire/general-functions.pl';
  24 require "${General::swroot}/lang.pl";
  25 require "${General::swroot}/header.pl";
  26
  27 my %color = ();
  28 my %mainsettings = ();
  29 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  30 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  31
  32 use POSIX();
  33
  34 #workaround to suppress a warning when a variable is used only once
  35 my @dummy = ( ${Header::table2colour} );
  36 undef (@dummy);
  37
  38 my %cgiparams=();
  39 my %logsettings=();
  40 my $errormessage = '';
  41
  42 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  43         'Sep', 'Oct', 'Nov', 'Dec' );
  44 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  45         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  46         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  47         $Lang::tr{'december'} );
  48
  49 my @now = localtime();
  50 my $dow = $now[6];
  51 my $doy = $now[7];
  52 my $tdoy = $now[7];
  53 my $year = $now[5]+1900;
  54
  55 $cgiparams{'DAY'} = $now[3];
  56 $cgiparams{'MONTH'} = $now[4];
  57 $cgiparams{'ACTION'} = '';
  58
  59 &Header::getcgihash(\%cgiparams);
  60 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  61 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  62 ${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
  63
  64 my $start = ($logsettings{'LOGVIEW_REVERSE'} eq 'on') ? 0x7FFFF000 : 0; #index of firts line number to display
  65
  66 if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
  67 {
  68         my @temp = split(',',$ENV{'QUERY_STRING'});
  69         $start = $temp[0];
  70         $cgiparams{'MONTH'} = $temp[1];
  71         $cgiparams{'DAY'} = $temp[2];
  72 }
  73
  74 if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
  75         !($cgiparams{'DAY'} =~ /^(0|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)$/))
  76 {
  77         $cgiparams{'DAY'} = $now[3];
  78         $cgiparams{'MONTH'} = $now[4];
  79 }
  80 elsif($cgiparams{'ACTION'} eq '>>')
  81 {
  82         my @temp_then=();
  83         my @temp_now = localtime(time);
  84         $temp_now[4] = $cgiparams{'MONTH'};
  85         $temp_now[3] = $cgiparams{'DAY'};
  86         if ($cgiparams{'DAY'}) {
  87             @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  88             ## Retrieve the same time on the next day +
  89             ## 86400 seconds in a day
  90         } else {
  91             $temp_now[3] = 1;
  92             $temp_now[4] = ($temp_now[4]+1) %12;
  93             @temp_then = localtime(POSIX::mktime(@temp_now) );
  94             $temp_then[3] = 0;
  95         }
  96         $cgiparams{'MONTH'} = $temp_then[4];
  97         $cgiparams{'DAY'} = $temp_then[3];
  98 }
  99 elsif($cgiparams{'ACTION'} eq '<<')
 100 {
 101         my @temp_then=();
 102         my @temp_now = localtime(time);
 103         $temp_now[4] = $cgiparams{'MONTH'};
 104         $temp_now[3] = $cgiparams{'DAY'};
 105         if ($cgiparams{'DAY'}) {
 106             @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
 107             ## Retrieve the same time on the next day -
 108             ## 86400 seconds in a day
 109         } else {
 110             $temp_now[3] = 1;
 111             $temp_now[4] = ($temp_now[4]-1) %12;
 112             @temp_then = localtime(POSIX::mktime(@temp_now) );
 113             $temp_then[3] = 0;
 114         }
 115         $cgiparams{'MONTH'} = $temp_then[4];
 116         $cgiparams{'DAY'} = $temp_then[3];
 117 }
 118
 119 # Find in which file.gz is the log. Can be calculated because WEEKLY ROTATING of access.log
 120 my $gzindex;
 121 my $date = $cgiparams{'DAY'} == 0 ? '' :  $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 122
 123 {
 124     my $xday;
 125
 126     # Calculate time. If future date, calculate for past year !!!
 127     if (( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
 128         ( $cgiparams{'MONTH'}  > $now[4] ) ) {
 129         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 );
 130         $date = "$longmonths[$cgiparams{'MONTH'}] $date, ". int($year-1);
 131     } else {
 132         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 );
 133         $date = "$longmonths[$cgiparams{'MONTH'}] $date, $year";
 134     }
 135
 136     # calculate end of active week (saturday 23H59)
 137     my @then = ();
 138     @then = localtime(time());
 139     my $sunday = POSIX::mktime( 0, 0, 0, @then[3], @then[4], @then[5]);
 140     $sunday += (6-$then[6]) * 86400;
 141
 142     # Convert delta in second to full weeks
 143         $gzindex = int (($sunday-$xday)/604800 );
 144 }
 145
 146 my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
 147 my $daystr =  $cgiparams{'DAY'} == 0 ?  '..' : $cgiparams{'DAY'} <= 9 ? " $cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 148
 149 my $lines = 0;
 150 my @log=();
 151
 152 my $loop = 1;
 153 my $filestr = 0;
 154 my $lastdatetime;           # for debug
 155 my $search_for_end = 0;
 156
 157 while ($gzindex >=0 && $loop) {
 158         # calculate file name
 159         if ($gzindex == 0) {
 160             $filestr = "/var/log/messages";
 161         } else {
 162             $filestr = "/var/log/messages.$gzindex";
 163             $filestr = "$filestr.gz" if -f "$filestr.gz";
 164         }
 165         # now read file if existing
 166         if (open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr))) {
 167             #&General::log("reading $filestr");
 168             READ:while (<FILE>) {
 169                 my $line = $_;
 170                 if ($line =~ /^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*IN=.*$/) {
 171                     # when standart viewing, just keep in memory the correct slice
 172                     # it starts a '$start' and size is $viewport
 173                     # If export, then keep all lines...
 174                     if ($cgiparams{'ACTION'} eq $Lang::tr{'export'}){
 175                         $log[$lines++] = "$line";
 176                     } else {
 177                         if ($lines++ < ($start + $Header::viewsize)) {
 178                             push(@log,"$line");
 179                             if (@log > $Header::viewsize) {
 180                                 shift (@log);
 181                             }
 182                         #} else { dont do this optimisation, need to count lines !
 183                             #    $datetime = $maxtime; # we have read viewsize lines, stop main loop
 184                             #    last READ;           # exit read file
 185                         }
 186                     }
 187                     $search_for_end = 1;        # we find the start of slice, can look for end now
 188                 } else {
 189                     if ($search_for_end == 1) {
 190                         #finish read files when date is over (test month equality only)
 191                         $line =~ /^(...) (..) ..:..:..*$/;
 192                         $loop = 0 if ( ($1 ne $monthstr) || ( ($daystr ne '..') && ($daystr ne $2) ) );
 193                     }
 194                 }
 195             }
 196             close (FILE);
 197         }
 198         $gzindex--;     # will try next gz file eg 40,39,38,.... because it may have holes when ipcop stopped
 199                         # for a long time
 200 }# while
 201
 202 #  $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 203
 204 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 205 {
 206         print "Content-type: text/plain\n\n";
 207         print "IPFire firewall log\r\n";
 208         print "$Lang::{'date'}: $date\r\n\r\n";
 209
 210         if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 211
 212         foreach $_ (@log)
 213         {
 214                 /^... (..) (..:..:..) [\w\-]+ kernel:.*(IN=.*)$/;
 215                 my $day =  $1;
 216                 $day =~ tr / /0/;
 217                 my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 218                 print "$time $3\r\n";
 219
 220         }
 221         exit 0;
 222 }
 223
 224 &Header::showhttpheaders();
 225
 226 &Header::openpage($Lang::tr{'firewall log'}, 1, '');
 227
 228 &Header::openbigbox('100%', 'left', '', $errormessage);
 229
 230 if ($errormessage) {
 231         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 232         print "<font class='base'>$errormessage&nbsp;</font>\n";
 233         &Header::closebox();
 234 }
 235
 236 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
 237
 238 print <<END
 239 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 240 <table width='100%'>
 241 <tr>
 242         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 243         <td width='10%'>
 244         <select name='MONTH'>
 245 END
 246 ;
 247 for (my $month = 0; $month < 12; $month++)
 248 {
 249         print "\t<option ";
 250         if ($month == $cgiparams{'MONTH'}) {
 251                 print "selected='selected' "; }
 252         print "value='$month'>$longmonths[$month]</option>\n";
 253 }
 254 print <<END
 255         </select>
 256         </td>
 257         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 258         <td width='40%'>
 259         <select name='DAY'>
 260 END
 261 ;
 262 print "<option value='0'>$Lang::tr{'all'}</option>\n";
 263 for (my $day = 1; $day <= 31; $day++)
 264 {
 265         print "\t<option ";
 266         if ($day == $cgiparams{'DAY'}) {
 267                 print "selected='selected' "; }
 268         print "value='$day'>$day</option>\n";
 269 }
 270 print <<END
 271 </select>
 272 </td>
 273 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 274 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 275 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 276 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
 277 </tr>
 278 </table>
 279 </form>
 280 END
 281 ;
 282
 283 &Header::closebox();
 284
 285 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 286 print "<p><b>$Lang::tr{'firewall hits'} $date: $lines</b></p>";
 287
 288 $start = $lines - ${Header::viewsize} if ($start >= $lines - ${Header::viewsize});
 289 $start = 0 if ($start < 0);
 290
 291 my $prev;
 292     if ($start == 0) {
 293         $prev = -1;
 294     } else {
 295         $prev = $start - ${Header::viewsize};
 296         $prev = 0 if ( $prev < 0);
 297     }
 298
 299 my $next;
 300     if ($start == $lines - ${Header::viewsize}) {
 301         $next = -1;
 302     } else {
 303         $next = $start + ${Header::viewsize};
 304         $next = $lines - ${Header::viewsize} if ($next >= $lines - ${Header::viewsize});
 305     }
 306
 307 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 308 if ($lines != 0) { &oldernewer(); }
 309
 310 print <<END
 311 <table width='100%'>
 312 <tr>
 313         <td align='center' class='boldbase'><b>$Lang::tr{'time'}</b></td>
 314         <td align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></td>
 315         <td align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></td>
 316         <td align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></td>
 317         <td align='center' class='boldbase'><b>$Lang::tr{'source'}<br/>$Lang::tr{'destination'}</b></td>
 318         <td align='center' class='boldbase'><b>$Lang::tr{'src port'}<br />$Lang::tr{'dst port'}</b></td>
 319         <td align='center' class='boldbase'><b>Flag</b></td>
 320         <td align='center' class='boldbase'><b>$Lang::tr{'mac address'}</b></td>
 321 </tr>
 322 END
 323 ;
 324
 325
 326 $lines = 0;
 327 foreach $_ (@log)
 328 {
 329         /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
 330         my $day =  $1;
 331         $day =~ tr / /0/;
 332         my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 333         my $comment = $3;
 334         my $packet = $4;
 335
 336         $packet =~ /IN=(\w+)/;       my $iface=$1; if ( $1 $1 =~ /2./ ){ $iface="";}
 337         $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
 338         $packet =~ /DST=([\d\.]+)/;  my $dstaddr=$1;
 339         $packet =~ /MAC=([\w+\:]+)/; my $macaddr=$1;
 340         $packet =~ /PROTO=(\w+)/;    my $proto=$1;
 341         $packet =~ /SPT=(\d+)/;      my $srcport=$1;
 342         $packet =~ /DPT=(\d+)/;      my $dstport=$1;
 343
 344         my $gi = Geo::IP::PurePerl->new();
 345         my $ccode = $gi->country_code_by_name($srcaddr);
 346         my $fcode = lc($ccode);
 347
 348         my $servi = uc(getservbyport($srcport, lc($proto)));
 349         if ($servi ne '' && $srcport < 1024) {
 350                 $srcport = "$srcport($servi)"; }
 351         $servi = uc(getservbyport($dstport, lc($proto)));
 352         if ($servi ne '' && $dstport < 1024) {
 353                 $dstport = "$dstport($servi)";}
 354         my @mactemp = split(/:/,$macaddr);
 355         $macaddr = "$mactemp[6]:$mactemp[7]:$mactemp[8]:$mactemp[9]:$mactemp[10]:$mactemp[11]";
 356         if ($lines % 2) {
 357                 print "<tr bgcolor='$color{'color20'}'>\n"; }
 358         else {
 359                 print "<tr bgcolor='$color{'color22'}'>\n"; }
 360         print <<END
 361
 362         <td align='center'>$time</td>
 363         <td align='center'>$comment</td>
 364         <td align='center'>$iface</td>
 365         <td align='center'>$proto</td>
 366         <td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a><br /><a href='/cgi-bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
 367         <td align='center'>$srcport<br/>$dstport</td>
 368 END
 369 ;
 370         if ( $fcode ne "" ){
 371         print "<td align='center'><a href='../country.cgi#$fcode'><img src='/images/flags/$fcode.png' border='0' align='absmiddle' alt='$ccode'></a></td>";}
 372         else {
 373         print "<td align='center'></td>";}
 374         print <<END
 375         <td align='center'>$macaddr</td>
 376 </tr>
 377 END
 378         ;
 379         $lines++;
 380 }
 381
 382 print "</table>";
 383
 384 &oldernewer();
 385
 386 &Header::closebox();
 387
 388 &Header::closebigbox();
 389
 390 &Header::closepage();
 391
 392 sub oldernewer
 393 {
 394 print <<END
 395 <table width='100%'>
 396 <tr>
 397 END
 398 ;
 399
 400 print "<td align='center' width='50%'>";
 401 if ($prev != -1) {
 402         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>"; }
 403 else {
 404         print "$Lang::tr{'older'}"; }
 405 print "</td>\n";
 406
 407 print "<td align='center' width='50%'>";
 408 if ($next >= 0) {
 409         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a>"; }
 410 else {
 411         print "$Lang::tr{'newer'}"; }
 412 print "</td>\n";
 413
 414 print <<END
 415 </tr>
 416 </table>
 417 END
 418 ;
 419 }
 420