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 "${General::swroot}/geoip-functions.pl";
  25 require "${General::swroot}/lang.pl";
  26 require "${General::swroot}/header.pl";
  27
  28 my %color = ();
  29 my %mainsettings = ();
  30 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  31 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  32
  33 use POSIX();
  34
  35 #workaround to suppress a warning when a variable is used only once
  36 my @dummy = ( ${Header::table2colour} );
  37 undef (@dummy);
  38
  39 my %cgiparams=();
  40 my %logsettings=();
  41 my $errormessage = '';
  42
  43 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  44         'Sep', 'Oct', 'Nov', 'Dec' );
  45 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  46         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  47         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  48         $Lang::tr{'december'} );
  49
  50 my @now = localtime();
  51 my $dow = $now[6];
  52 my $doy = $now[7];
  53 my $tdoy = $now[7];
  54 my $year = $now[5]+1900;
  55
  56 $cgiparams{'DAY'} = $now[3];
  57 $cgiparams{'MONTH'} = $now[4];
  58 $cgiparams{'ACTION'} = '';
  59
  60 &Header::getcgihash(\%cgiparams);
  61 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  62 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  63 ${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
  64
  65 my $start = ($logsettings{'LOGVIEW_REVERSE'} eq 'on') ? 0x7FFFF000 : 0; #index of firts line number to display
  66
  67 if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
  68 {
  69         my @temp = split(',',$ENV{'QUERY_STRING'});
  70         $start = $temp[0];
  71         $cgiparams{'MONTH'} = $temp[1];
  72         $cgiparams{'DAY'} = $temp[2];
  73 }
  74
  75 if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
  76         !($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)$/))
  77 {
  78         $cgiparams{'DAY'} = $now[3];
  79         $cgiparams{'MONTH'} = $now[4];
  80 }
  81 elsif($cgiparams{'ACTION'} eq '>>')
  82 {
  83         my @temp_then=();
  84         my @temp_now = localtime(time);
  85         $temp_now[4] = $cgiparams{'MONTH'};
  86         $temp_now[3] = $cgiparams{'DAY'};
  87         if ($cgiparams{'DAY'}) {
  88             @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  89             ## Retrieve the same time on the next day +
  90             ## 86400 seconds in a day
  91         } else {
  92             $temp_now[3] = 1;
  93             $temp_now[4] = ($temp_now[4]+1) %12;
  94             @temp_then = localtime(POSIX::mktime(@temp_now) );
  95             $temp_then[3] = 0;
  96         }
  97         $cgiparams{'MONTH'} = $temp_then[4];
  98         $cgiparams{'DAY'} = $temp_then[3];
  99 }
 100 elsif($cgiparams{'ACTION'} eq '<<')
 101 {
 102         my @temp_then=();
 103         my @temp_now = localtime(time);
 104         $temp_now[4] = $cgiparams{'MONTH'};
 105         $temp_now[3] = $cgiparams{'DAY'};
 106         if ($cgiparams{'DAY'}) {
 107             @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
 108             ## Retrieve the same time on the next day -
 109             ## 86400 seconds in a day
 110         } else {
 111             $temp_now[3] = 1;
 112             $temp_now[4] = ($temp_now[4]-1) %12;
 113             @temp_then = localtime(POSIX::mktime(@temp_now) );
 114             $temp_then[3] = 0;
 115         }
 116         $cgiparams{'MONTH'} = $temp_then[4];
 117         $cgiparams{'DAY'} = $temp_then[3];
 118 }
 119
 120 # Find in which file.gz is the log. Can be calculated because WEEKLY ROTATING of access.log
 121 my $gzindex;
 122 my $date = $cgiparams{'DAY'} == 0 ? '' :  $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 123
 124 {
 125     my $xday;
 126
 127     # Calculate time. If future date, calculate for past year !!!
 128     if (( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
 129         ( $cgiparams{'MONTH'}  > $now[4] ) ) {
 130         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 );
 131         $date = "$longmonths[$cgiparams{'MONTH'}] $date, ". int($year-1);
 132     } else {
 133         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 );
 134         $date = "$longmonths[$cgiparams{'MONTH'}] $date, $year";
 135     }
 136
 137     # calculate end of active week (saturday 23H59)
 138     my @then = ();
 139     @then = localtime(time());
 140     my $sunday = POSIX::mktime( 0, 0, 0, @then[3], @then[4], @then[5]);
 141     $sunday += (6-$then[6]) * 86400;
 142
 143     # Convert delta in second to full weeks
 144         $gzindex = int (($sunday-$xday)/604800 );
 145 }
 146
 147 my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
 148 my $daystr =  $cgiparams{'DAY'} == 0 ?  '..' : $cgiparams{'DAY'} <= 9 ? " $cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 149
 150 my $lines = 0;
 151 my @log=();
 152
 153 my $loop = 1;
 154 my $filestr = 0;
 155 my $lastdatetime;           # for debug
 156 my $search_for_end = 0;
 157
 158 while ($gzindex >=0 && $loop) {
 159         # calculate file name
 160         if ($gzindex == 0) {
 161             $filestr = "/var/log/messages";
 162         } else {
 163             $filestr = "/var/log/messages.$gzindex";
 164             $filestr = "$filestr.gz" if -f "$filestr.gz";
 165         }
 166         # now read file if existing
 167         if (open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr))) {
 168             #&General::log("reading $filestr");
 169             READ:while (<FILE>) {
 170                 my $line = $_;
 171                 if ($line =~ /^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*IN=.*$/) {
 172                     # when standart viewing, just keep in memory the correct slice
 173                     # it starts a '$start' and size is $viewport
 174                     # If export, then keep all lines...
 175                     if ($cgiparams{'ACTION'} eq $Lang::tr{'export'}){
 176                         $log[$lines++] = "$line";
 177                     } else {
 178                         if ($lines++ < ($start + $Header::viewsize)) {
 179                             push(@log,"$line");
 180                             if (@log > $Header::viewsize) {
 181                                 shift (@log);
 182                             }
 183                         #} else { dont do this optimisation, need to count lines !
 184                             #    $datetime = $maxtime; # we have read viewsize lines, stop main loop
 185                             #    last READ;           # exit read file
 186                         }
 187                     }
 188                     $search_for_end = 1;        # we find the start of slice, can look for end now
 189                 } else {
 190                     if ($search_for_end == 1) {
 191                         #finish read files when date is over (test month equality only)
 192                         $line =~ /^(...) (..) ..:..:..*$/;
 193                         $loop = 0 if ( ($1 ne $monthstr) || ( ($daystr ne '..') && ($daystr ne $2) ) );
 194                     }
 195                 }
 196             }
 197             close (FILE);
 198         }
 199         $gzindex--;     # will try next gz file eg 40,39,38,.... because it may have holes when ipcop stopped
 200                         # for a long time
 201 }# while
 202
 203 #  $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 204
 205 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 206 {
 207         print "Content-type: text/plain\n\n";
 208         print "IPFire firewall log\r\n";
 209         print "$Lang::{'date'}: $date\r\n\r\n";
 210
 211         if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 212
 213         foreach $_ (@log)
 214         {
 215                 /^... (..) (..:..:..) [\w\-]+ kernel:.*(IN=.*)$/;
 216                 my $day =  $1;
 217                 $day =~ tr / /0/;
 218                 my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 219                 print "$time $3\r\n";
 220
 221         }
 222         exit 0;
 223 }
 224
 225 &Header::showhttpheaders();
 226
 227 &Header::openpage($Lang::tr{'firewall log'}, 1, '');
 228
 229 &Header::openbigbox('100%', 'left', '', $errormessage);
 230
 231 if ($errormessage) {
 232         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 233         print "<font class='base'>$errormessage&nbsp;</font>\n";
 234         &Header::closebox();
 235 }
 236
 237 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}");
 238
 239 print <<END
 240 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 241 <table width='100%'>
 242 <tr>
 243         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 244         <td width='10%'>
 245         <select name='MONTH'>
 246 END
 247 ;
 248 for (my $month = 0; $month < 12; $month++)
 249 {
 250         print "\t<option ";
 251         if ($month == $cgiparams{'MONTH'}) {
 252                 print "selected='selected' "; }
 253         print "value='$month'>$longmonths[$month]</option>\n";
 254 }
 255 print <<END
 256         </select>
 257         </td>
 258         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 259         <td width='40%'>
 260         <select name='DAY'>
 261 END
 262 ;
 263 print "<option value='0'>$Lang::tr{'all'}</option>\n";
 264 for (my $day = 1; $day <= 31; $day++)
 265 {
 266         print "\t<option ";
 267         if ($day == $cgiparams{'DAY'}) {
 268                 print "selected='selected' "; }
 269         print "value='$day'>$day</option>\n";
 270 }
 271 print <<END
 272 </select>
 273 </td>
 274 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 275 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 276 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 277 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
 278 </tr>
 279 </table>
 280 </form>
 281 END
 282 ;
 283
 284 &Header::closebox();
 285
 286 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 287 print "<p><b>$Lang::tr{'firewall hits'} $date: $lines</b></p>";
 288
 289 my $lastPageIndex = $lines - ${Header::viewsize};
 290 $start = $lastPageIndex if ($start >= $lastPageIndex);
 291 $start = 0 if ($start < 0);
 292
 293 my $prev;
 294     if ($start == 0) {
 295         $prev = -1;
 296     } else {
 297         $prev = $start - ${Header::viewsize};
 298         $prev = 0 if ( $prev < 0);
 299     }
 300
 301 my $next;
 302     if ($start == $lastPageIndex) {
 303         $next = -1;
 304     } else {
 305         $next = $start + ${Header::viewsize};
 306         $next = $lines - ${Header::viewsize} if ($next >= $lines - ${Header::viewsize});
 307     }
 308
 309 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 310 if ($lines != 0) { &oldernewer(); }
 311
 312 print <<END
 313 <table width='100%' class='tbl'>
 314 <tr>
 315         <th align='center' class='boldbase'><b>$Lang::tr{'time'}</b></th>
 316         <th align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></th>
 317         <th align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></th>
 318         <th align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></th>
 319         <th align='center' class='boldbase'><b>$Lang::tr{'source'}<br/>$Lang::tr{'destination'}</b></th>
 320         <th align='center' class='boldbase'><b>$Lang::tr{'src port'}<br />$Lang::tr{'dst port'}</b></th>
 321         <th align='center' class='boldbase'><b>$Lang::tr{'country'}</b></th>
 322         <th align='center' class='boldbase'><b>$Lang::tr{'mac address'}</b></th>
 323 </tr>
 324 END
 325 ;
 326
 327
 328 $lines = 0;
 329 foreach $_ (@log)
 330 {
 331         /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
 332         my $day =  $1;
 333         $day =~ tr / /0/;
 334         my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 335         my $comment = $3;
 336         my $packet = $4;
 337
 338                 my ($iface, $srcaddr, $dstaddr, $macaddr, $proto, $srcport, $dstport);
 339                 $iface=$1   if $packet =~ /IN=(\w+)/;
 340                 $srcaddr=$1 if $packet =~ /SRC=([\d\.]+)/;
 341                 $dstaddr=$1 if $packet =~ /DST=([\d\.]+)/;
 342                 $macaddr=$1 if $packet =~ /MAC=([\w+\:]+)/;
 343                 $proto=$1   if $packet =~ /PROTO=(\w+)/;
 344                 $srcport=$1 if $packet =~ /SPT=(\d+)/;
 345                 $dstport=$1 if $packet =~ /DPT=(\d+)/;
 346
 347         my $gi = Geo::IP::PurePerl->new();
 348         my $ccode = $gi->country_code_by_name($srcaddr);
 349         my $fcode = lc($ccode);
 350
 351         my $servi = uc(getservbyport($srcport, lc($proto)));
 352         if ($servi ne '' && $srcport < 1024) {
 353                 $srcport = "$srcport($servi)"; }
 354         $servi = uc(getservbyport($dstport, lc($proto)));
 355         if ($servi ne '' && $dstport < 1024) {
 356                 $dstport = "$dstport($servi)";}
 357         my @mactemp = split(/:/,$macaddr);
 358         $macaddr = "$mactemp[6]:$mactemp[7]:$mactemp[8]:$mactemp[9]:$mactemp[10]:$mactemp[11]";
 359         my $col="";
 360         if ($lines % 2) {
 361                 print "<tr>";
 362                 $col="bgcolor='$color{'color20'}'"; }
 363         else {
 364                 print "<tr>";
 365                 $col="bgcolor='$color{'color22'}'"; }
 366         print <<END
 367
 368         <td align='center' $col>$time</td>
 369         <td align='center' $col>$comment</td>
 370         <td align='center' $col>$iface</td>
 371         <td align='center' $col>$proto</td>
 372         <td align='center' $col><a href='/cgi-bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a><br /><a href='/cgi-bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
 373         <td align='center' $col>$srcport<br/>$dstport</td>
 374 END
 375 ;
 376         # Get flag icon for of the country.
 377         my $flag_icon = &GeoIP::get_flag_icon($fcode);
 378
 379         if ( $flag_icon) {
 380                 print "<td align='center' $col><a href='../country.cgi#$fcode'><img src='$flag_icon' border='0' align='absmiddle' alt='$ccode'></a></td>";
 381         } else {
 382                 print "<td align='center' $col></td>";
 383         }
 384
 385         print <<END
 386         <td align='center' $col>$macaddr</td>
 387 </tr>
 388 END
 389         ;
 390         $lines++;
 391 }
 392
 393 print "</table>";
 394
 395 &oldernewer();
 396
 397 &Header::closebox();
 398
 399 &Header::closebigbox();
 400
 401 &Header::closepage();
 402
 403 sub oldernewer
 404 {
 405 print <<END
 406 <table width='100%'>
 407 <tr>
 408 END
 409 ;
 410
 411 print "<td align='center' width='50%'>";
 412 if ($prev != -1) {
 413         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?0,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'first'}</a> ";
 414         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>"; }
 415 else {
 416         print "$Lang::tr{'first'} $Lang::tr{'older'}"; }
 417 print "</td>\n";
 418
 419 print "<td align='center' width='50%'>";
 420 if ($next >= 0) {
 421         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a> ";
 422         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$lastPageIndex,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'last'}</a>"; }
 423 else {
 424         print "$Lang::tr{'newer'} $Lang::tr{'last'} "; }
 425 print "</td>\n";
 426
 427 print <<END
 428 </tr>
 429 </table>
 430 END
 431 ;
 432 }
 433