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 Getopt::Std;
  17
  18 # enable only the following on debugging purpose
  19 #use warnings;
  20 #use CGI::Carp 'fatalsToBrowser';
  21
  22 require '/var/ipfire/general-functions.pl';
  23 require "${General::swroot}/geoip-functions.pl";
  24 require "${General::swroot}/lang.pl";
  25 require "${General::swroot}/header.pl";
  26
  27 # Libloc database handle.
  28 my $libloc_db_handle = &GeoIP::init();
  29
  30 my %color = ();
  31 my %mainsettings = ();
  32 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  33 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  34
  35 use POSIX();
  36
  37 #workaround to suppress a warning when a variable is used only once
  38 my @dummy = ( ${Header::table2colour} );
  39 undef (@dummy);
  40
  41 my %cgiparams=();
  42 my %logsettings=();
  43 my $errormessage = '';
  44
  45 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  46         'Sep', 'Oct', 'Nov', 'Dec' );
  47 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  48         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  49         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  50         $Lang::tr{'december'} );
  51
  52 my @now = localtime();
  53 my $dow = $now[6];
  54 my $doy = $now[7];
  55 my $tdoy = $now[7];
  56 my $year = $now[5]+1900;
  57
  58 $cgiparams{'DAY'} = $now[3];
  59 $cgiparams{'MONTH'} = $now[4];
  60 $cgiparams{'ACTION'} = '';
  61
  62 &Header::getcgihash(\%cgiparams);
  63 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  64 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  65 ${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
  66
  67 my $start = ($logsettings{'LOGVIEW_REVERSE'} eq 'on') ? 0x7FFFF000 : 0; #index of firts line number to display
  68
  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'} =~ /^(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)$/))
  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] = $cgiparams{'DAY'};
  89         if ($cgiparams{'DAY'}) {
  90                 @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  91                 ## Retrieve the same time on the next day +
  92                 ## 86400 seconds in a day
  93         } else {
  94                 $temp_now[3] = 1;
  95                 $temp_now[4] = ($temp_now[4]+1) %12;
  96                 @temp_then = localtime(POSIX::mktime(@temp_now) );
  97                 $temp_then[3] = 0;
  98         }
  99         $cgiparams{'MONTH'} = $temp_then[4];
 100         $cgiparams{'DAY'} = $temp_then[3];
 101 }
 102 elsif($cgiparams{'ACTION'} eq '<<')
 103 {
 104         my @temp_then=();
 105         my @temp_now = localtime(time);
 106         $temp_now[4] = $cgiparams{'MONTH'};
 107         $temp_now[3] = $cgiparams{'DAY'};
 108         if ($cgiparams{'DAY'}) {
 109                 @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
 110                 ## Retrieve the same time on the next day -
 111                 ## 86400 seconds in a day
 112         } else {
 113                 $temp_now[3] = 1;
 114                 $temp_now[4] = ($temp_now[4]-1) %12;
 115                 @temp_then = localtime(POSIX::mktime(@temp_now) );
 116                 $temp_then[3] = 0;
 117         }
 118         $cgiparams{'MONTH'} = $temp_then[4];
 119         $cgiparams{'DAY'} = $temp_then[3];
 120 }
 121
 122 # Find in which file.gz is the log. Can be calculated because WEEKLY ROTATING of access.log
 123 my $gzindex;
 124 my $date = $cgiparams{'DAY'} == 0 ? '' :  $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 125
 126 {
 127         my $xday;
 128
 129         # Calculate time. If future date, calculate for past year !!!
 130         if (( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
 131         ( $cgiparams{'MONTH'}  > $now[4] ) ) {
 132                 $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 );
 133                 $date = "$longmonths[$cgiparams{'MONTH'}] $date, ". int($year-1);
 134         } else {
 135                 $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 );
 136                 $date = "$longmonths[$cgiparams{'MONTH'}] $date, $year";
 137         }
 138
 139         # calculate end of active week (saturday 23H59)
 140         my @then = ();
 141         @then = localtime(time());
 142         my $sunday = POSIX::mktime( 0, 0, 0, @then[3], @then[4], @then[5]);
 143         $sunday += (6-$then[6]) * 86400;
 144
 145         # Convert delta in second to full weeks
 146         $gzindex = int (($sunday-$xday)/604800 );
 147 }
 148
 149 my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
 150 my $daystr =  $cgiparams{'DAY'} == 0 ?  '..' : $cgiparams{'DAY'} <= 9 ? " $cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 151
 152 my $lines = 0;
 153 my @log=();
 154
 155 my $loop = 1;
 156 my $filestr = 0;
 157 my $lastdatetime;       # for debug
 158 my $search_for_end = 0;
 159
 160 while ($gzindex >=0 && $loop) {
 161         # calculate file name
 162         if ($gzindex == 0) {
 163                 $filestr = "/var/log/messages";
 164         } else {
 165                 $filestr = "/var/log/messages.$gzindex";
 166                 $filestr = "$filestr.gz" if -f "$filestr.gz";
 167         }
 168         # now read file if existing
 169         if (open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr))) {
 170                 #&General::log("reading $filestr");
 171                 READ:while (<FILE>) {
 172                         my $line = $_;
 173                         if ($line =~ /^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*IN=.*$/) {
 174                                 # when standart viewing, just keep in memory the correct slice
 175                                 # it starts a '$start' and size is $viewport
 176                                 # If export, then keep all lines...
 177                                 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'}){
 178                                         $log[$lines++] = "$line";
 179                                 } else {
 180                                         if ($lines++ < ($start + $Header::viewsize)) {
 181                                                 push(@log,"$line");
 182                                                 if (@log > $Header::viewsize) {
 183                                                         shift (@log);
 184                                                 }
 185                                         #} else { dont do this optimisation, need to count lines !
 186                                         #       $datetime = $maxtime; # we have read viewsize lines, stop main loop
 187                                         #       last READ;         # exit read file
 188                                         }
 189                                 }
 190                                 $search_for_end = 1;    # we find the start of slice, can look for end now
 191                         } else {
 192                                 if ($search_for_end == 1) {
 193                                         #finish read files when date is over (test month equality only)
 194                                         $line =~ /^(...) (..) ..:..:..*$/;
 195                                         $loop = 0 if ( ($1 ne $monthstr) || ( ($daystr ne '..') && ($daystr ne $2) ) );
 196                                 }
 197                         }
 198                 }
 199                 close (FILE);
 200         }
 201         $gzindex--;     # will try next gz file eg 40,39,38,.... because it may have holes when ipcop stopped
 202                         # for a long time
 203 }# while
 204
 205 #  $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 206
 207 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 208 {
 209         print "Content-type: text/plain\n\n";
 210         print "IPFire firewall log\r\n";
 211         print "$Lang::{'date'}: $date\r\n\r\n";
 212
 213         if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 214
 215         foreach $_ (@log)
 216         {
 217                 /^... (..) (..:..:..) [\w\-]+ kernel:.*(IN=.*)$/;
 218                 my $day =  $1;
 219                 $day =~ tr / /0/;
 220                 my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 221                 print "$time $3\r\n";
 222
 223         }
 224         exit 0;
 225 }
 226
 227 &Header::showhttpheaders();
 228
 229 &Header::openpage($Lang::tr{'firewall log'}, 1, '');
 230
 231 &Header::openbigbox('100%', 'left', '', $errormessage);
 232
 233 if ($errormessage) {
 234         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 235         print "<font class='base'>$errormessage&nbsp;</font>\n";
 236         &Header::closebox();
 237 }
 238
 239 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}");
 240
 241 print <<END
 242 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 243 <table width='100%'>
 244 <tr>
 245         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 246         <td width='10%'>
 247         <select name='MONTH'>
 248 END
 249 ;
 250 for (my $month = 0; $month < 12; $month++)
 251 {
 252         print "\t<option ";
 253         if ($month == $cgiparams{'MONTH'}) {
 254                 print "selected='selected' ";
 255         }
 256         print "value='$month'>$longmonths[$month]</option>\n";
 257 }
 258 print <<END
 259         </select>
 260         </td>
 261         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 262         <td width='40%'>
 263         <select name='DAY'>
 264 END
 265 ;
 266 print "<option value='0'>$Lang::tr{'all'}</option>\n";
 267 for (my $day = 1; $day <= 31; $day++)
 268 {
 269         print "\t<option ";
 270         if ($day == $cgiparams{'DAY'}) {
 271                 print "selected='selected' ";
 272         }
 273         print "value='$day'>$day</option>\n";
 274 }
 275 print <<END
 276 </select>
 277 </td>
 278 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 279 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 280 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 281 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
 282 </tr>
 283 </table>
 284 </form>
 285 END
 286 ;
 287
 288 &Header::closebox();
 289
 290 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 291 print "<p><b>$Lang::tr{'firewall hits'} $date: $lines</b></p>";
 292
 293 my $lastPageIndex = $lines - ${Header::viewsize};
 294 $start = $lastPageIndex if ($start >= $lastPageIndex);
 295 $start = 0 if ($start < 0);
 296
 297 my $prev;
 298 if ($start == 0) {
 299         $prev = -1;
 300 } else {
 301         $prev = $start - ${Header::viewsize};
 302         $prev = 0 if ( $prev < 0);
 303 }
 304
 305 my $next;
 306 if ($start == $lastPageIndex) {
 307         $next = -1;
 308 } else {
 309         $next = $start + ${Header::viewsize};
 310         $next = $lines - ${Header::viewsize} if ($next >= $lines - ${Header::viewsize});
 311 }
 312
 313 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 314 if ($lines != 0) { &oldernewer(); }
 315
 316 print <<END
 317 <table width='100%' class='tbl'>
 318 <tr>
 319         <th align='center' class='boldbase'><b>$Lang::tr{'time'}</b></th>
 320         <th align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></th>
 321         <th align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></th>
 322         <th align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></th>
 323         <th align='center' class='boldbase'><b>$Lang::tr{'source'}<br/>$Lang::tr{'destination'}</b></th>
 324         <th align='center' class='boldbase'><b>$Lang::tr{'src port'}<br />$Lang::tr{'dst port'}</b></th>
 325         <th align='center' class='boldbase'><b>$Lang::tr{'country'}</b></th>
 326         <th align='center' class='boldbase'><b>$Lang::tr{'mac address'}</b></th>
 327 </tr>
 328 END
 329 ;
 330
 331
 332 $lines = 0;
 333 foreach $_ (@log)
 334 {
 335         # If ipv6 uses a bridge, PHYSIN= contains the relevant iface information
 336         # otherwise use IN=
 337         my $packet = '';
 338         if ($_ =~ /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)(PHYSIN=.*)$/) { $packet = $5; }
 339         elsif ($_ =~ /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) { $packet = $4; }
 340         my $day =  $1;
 341         $day =~ tr / /0/;
 342         my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 343         my $chain = $3;
 344
 345         my ($iface, $srcaddr, $dstaddr, $macaddr, $proto, $srcport, $dstport);
 346         if ($packet =~ /PHYSIN=(\w+)/) { $iface=$1; } elsif ($packet =~ /IN=(\w+)/) { $iface = $1; }
 347         # Identify whether ipv4 or ipv6. Both are mutally exclusive.
 348         if ($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) { $srcaddr=$1; }
 349         if ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/) { $srcaddr=$1; }
 350         if ($packet =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) { $dstaddr=$1; }
 351         if ($packet =~ /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/) { $dstaddr=$1; }
 352         $macaddr=$1 if $packet =~ /MAC=([\w+\:]+)/;
 353         $proto=$1   if $packet =~ /PROTO=(\w+)/;
 354         $srcport=$1 if $packet =~ /SPT=(\d+)/;
 355         $dstport=$1 if $packet =~ /DPT=(\d+)/;
 356
 357         my $ccode = &GeoIP::lookup_country_code($libloc_db_handle, $srcaddr);
 358
 359         my $servi = uc(getservbyport($srcport, lc($proto)));
 360         if ($servi ne '' && $srcport < 1024) {
 361                 $srcport = "$srcport($servi)";
 362         }
 363         $servi = uc(getservbyport($dstport, lc($proto)));
 364         if ($servi ne '' && $dstport < 1024) {
 365                 $dstport = "$dstport($servi)";
 366         }
 367         my @mactemp = split(/:/,$macaddr);
 368         $macaddr = "$mactemp[6]:$mactemp[7]:$mactemp[8]:$mactemp[9]:$mactemp[10]:$mactemp[11]";
 369         my $col="";
 370         if ($lines % 2) {
 371                 print "<tr>";
 372                 $col="bgcolor='$color{'color20'}'";
 373         }
 374         else {
 375                 print "<tr>";
 376                 $col="bgcolor='$color{'color22'}'";
 377         }
 378         print <<END
 379
 380         <td align='center' $col>$time</td>
 381         <td align='center' $col>$chain</td>
 382         <td align='center' $col>$iface</td>
 383         <td align='center' $col>$proto</td>
 384         <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>
 385         <td align='center' $col>$srcport<br/>$dstport</td>
 386 END
 387         ;
 388         # Get flag icon for of the country.
 389         my $flag_icon = &GeoIP::get_flag_icon($ccode);
 390
 391         if ( $flag_icon) {
 392                 print "<td align='center' $col><a href='../country.cgi#$ccode'><img src='$flag_icon' border='0' align='absmiddle' alt='$ccode'></a></td>";
 393         } else {
 394                 print "<td align='center' $col></td>";
 395         }
 396
 397         print <<END
 398         <td align='center' $col>$macaddr</td>
 399         </tr>
 400 END
 401         ;
 402         $lines++;
 403 }
 404
 405 print "</table>";
 406
 407 &oldernewer();
 408
 409 &Header::closebox();
 410
 411 &Header::closebigbox();
 412
 413 &Header::closepage();
 414
 415 sub oldernewer
 416 {
 417         print <<END
 418         <table width='100%'>
 419         <tr>
 420 END
 421         ;
 422
 423         print "<td align='center' width='50%'>";
 424         if ($prev != -1) {
 425                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?0,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'first'}</a> ";
 426                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>";
 427         }
 428         else {
 429                 print "$Lang::tr{'first'} $Lang::tr{'older'}";
 430         }
 431         print "</td>\n";
 432
 433         print "<td align='center' width='50%'>";
 434         if ($next >= 0) {
 435                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a> ";
 436                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$lastPageIndex,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'last'}</a>";
 437         }
 438         else {
 439                 print "$Lang::tr{'newer'} $Lang::tr{'last'} ";
 440         }
 441         print "</td>\n";
 442
 443         print <<END
 444         </tr>
 445         </table>
 446 END
 447         ;
 448 }
 449