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

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2023  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 use strict;
  23
  24 use Getopt::Std;
  25
  26 # enable only the following on debugging purpose
  27 #use warnings;
  28 #use CGI::Carp 'fatalsToBrowser';
  29
  30 require '/var/ipfire/general-functions.pl';
  31 require "${General::swroot}/location-functions.pl";
  32 require "${General::swroot}/lang.pl";
  33 require "${General::swroot}/header.pl";
  34
  35 my %color = ();
  36 my %mainsettings = ();
  37 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  38 &General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
  39
  40 use POSIX();
  41
  42 #workaround to suppress a warning when a variable is used only once
  43 my @dummy = ( ${Header::table2colour} );
  44 undef (@dummy);
  45
  46 my %cgiparams=();
  47 my %logsettings=();
  48 my $errormessage = '';
  49
  50 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  51         'Sep', 'Oct', 'Nov', 'Dec' );
  52 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  53         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  54         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  55         $Lang::tr{'december'} );
  56
  57 my @now = localtime();
  58 my $dow = $now[6];
  59 my $doy = $now[7];
  60 my $tdoy = $now[7];
  61 my $year = $now[5]+1900;
  62
  63 $cgiparams{'DAY'} = $now[3];
  64 $cgiparams{'MONTH'} = $now[4];
  65 $cgiparams{'ACTION'} = '';
  66
  67 &Header::getcgihash(\%cgiparams);
  68 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  69 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  70 ${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
  71
  72 my $start = ($logsettings{'LOGVIEW_REVERSE'} eq 'on') ? 0x7FFFF000 : 0; #index of firts line number to display
  73
  74 if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
  75 {
  76         my @temp = split(',',$ENV{'QUERY_STRING'});
  77         $start = $temp[0];
  78         $cgiparams{'MONTH'} = $temp[1];
  79         $cgiparams{'DAY'} = $temp[2];
  80 }
  81
  82 if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
  83         !($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)$/))
  84 {
  85         $cgiparams{'DAY'} = $now[3];
  86         $cgiparams{'MONTH'} = $now[4];
  87 }
  88 elsif($cgiparams{'ACTION'} eq '>>')
  89 {
  90         my @temp_then=();
  91         my @temp_now = localtime(time);
  92         $temp_now[4] = $cgiparams{'MONTH'};
  93         $temp_now[3] = $cgiparams{'DAY'};
  94         if ($cgiparams{'DAY'}) {
  95                 @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  96                 ## Retrieve the same time on the next day +
  97                 ## 86400 seconds in a day
  98         } else {
  99                 $temp_now[3] = 1;
 100                 $temp_now[4] = ($temp_now[4]+1) %12;
 101                 @temp_then = localtime(POSIX::mktime(@temp_now) );
 102                 $temp_then[3] = 0;
 103         }
 104         $cgiparams{'MONTH'} = $temp_then[4];
 105         $cgiparams{'DAY'} = $temp_then[3];
 106 }
 107 elsif($cgiparams{'ACTION'} eq '<<')
 108 {
 109         my @temp_then=();
 110         my @temp_now = localtime(time);
 111         $temp_now[4] = $cgiparams{'MONTH'};
 112         $temp_now[3] = $cgiparams{'DAY'};
 113         if ($cgiparams{'DAY'}) {
 114                 @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
 115                 ## Retrieve the same time on the next day -
 116                 ## 86400 seconds in a day
 117         } else {
 118                 $temp_now[3] = 1;
 119                 $temp_now[4] = ($temp_now[4]-1) %12;
 120                 @temp_then = localtime(POSIX::mktime(@temp_now) );
 121                 $temp_then[3] = 0;
 122         }
 123         $cgiparams{'MONTH'} = $temp_then[4];
 124         $cgiparams{'DAY'} = $temp_then[3];
 125 }
 126
 127 # Find in which file.gz is the log. Can be calculated because WEEKLY ROTATING of access.log
 128 my $gzindex;
 129 my $date = $cgiparams{'DAY'} == 0 ? '' :  $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 130
 131 {
 132         my $xday;
 133
 134         # Calculate time. If future date, calculate for past year !!!
 135         if (( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
 136         ( $cgiparams{'MONTH'}  > $now[4] ) ) {
 137                 $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 );
 138                 $date = "$longmonths[$cgiparams{'MONTH'}] $date, ". int($year-1);
 139         } else {
 140                 $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 );
 141                 $date = "$longmonths[$cgiparams{'MONTH'}] $date, $year";
 142         }
 143
 144         # calculate end of active week (saturday 23H59)
 145         my @then = ();
 146         @then = localtime(time());
 147         my $sunday = POSIX::mktime( 0, 0, 0, @then[3], @then[4], @then[5]);
 148         $sunday += (6-$then[6]) * 86400;
 149
 150         # Convert delta in second to full weeks
 151         $gzindex = int (($sunday-$xday)/604800 );
 152 }
 153
 154 my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
 155 my $daystr =  $cgiparams{'DAY'} == 0 ?  '..' : $cgiparams{'DAY'} <= 9 ? " $cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 156
 157 my $lines = 0;
 158 my @log=();
 159
 160 my $loop = 1;
 161 my $filestr = 0;
 162 my $lastdatetime;       # for debug
 163 my $search_for_end = 0;
 164
 165 while ($gzindex >=0 && $loop) {
 166         # calculate file name
 167         if ($gzindex == 0) {
 168                 $filestr = "/var/log/messages";
 169         } else {
 170                 $filestr = "/var/log/messages.$gzindex";
 171                 $filestr = "$filestr.gz" if -f "$filestr.gz";
 172         }
 173         # now read file if existing
 174         if (open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr))) {
 175                 #&General::log("reading $filestr");
 176                 READ:while (<FILE>) {
 177                         my $line = $_;
 178                         if ($line =~ /^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*IN=.*$/) {
 179                                 # when standart viewing, just keep in memory the correct slice
 180                                 # it starts a '$start' and size is $viewport
 181                                 # If export, then keep all lines...
 182                                 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'}){
 183                                         $log[$lines++] = "$line";
 184                                 } else {
 185                                         if ($lines++ < ($start + $Header::viewsize)) {
 186                                                 push(@log,"$line");
 187                                                 if (@log > $Header::viewsize) {
 188                                                         shift (@log);
 189                                                 }
 190                                         #} else { dont do this optimisation, need to count lines !
 191                                         #       $datetime = $maxtime; # we have read viewsize lines, stop main loop
 192                                         #       last READ;         # exit read file
 193                                         }
 194                                 }
 195                                 $search_for_end = 1;    # we find the start of slice, can look for end now
 196                         } else {
 197                                 if ($search_for_end == 1) {
 198                                         #finish read files when date is over (test month equality only)
 199                                         $line =~ /^(...) (..) ..:..:..*$/;
 200                                         $loop = 0 if ( ($1 ne $monthstr) || ( ($daystr ne '..') && ($daystr ne $2) ) );
 201                                 }
 202                         }
 203                 }
 204                 close (FILE);
 205         }
 206         $gzindex--;     # will try next gz file eg 40,39,38,.... because it may have holes when ipcop stopped
 207                         # for a long time
 208 }# while
 209
 210 #  $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 211
 212 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 213 {
 214         print "Content-type: text/plain\n\n";
 215         print "IPFire firewall log\r\n";
 216         print "$Lang::{'date'}: $date\r\n\r\n";
 217
 218         if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 219
 220         foreach $_ (@log)
 221         {
 222                 /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
 223                 my $day =  $1;
 224                 $day =~ tr / /0/;
 225                 my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 226                 my $chain = $3;
 227                 print "$time $chain $4\r\n";
 228
 229         }
 230         exit 0;
 231 }
 232
 233 &Header::showhttpheaders();
 234
 235 &Header::openpage($Lang::tr{'firewall log'}, 1, '');
 236
 237 &Header::openbigbox('100%', 'left', '', $errormessage);
 238
 239 if ($errormessage) {
 240         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 241         print "<font class='base'>$errormessage&nbsp;</font>\n";
 242         &Header::closebox();
 243 }
 244
 245 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}");
 246
 247 print <<END
 248 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 249 <table width='100%'>
 250 <tr>
 251         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 252         <td width='10%'>
 253         <select name='MONTH'>
 254 END
 255 ;
 256 for (my $month = 0; $month < 12; $month++)
 257 {
 258         print "\t<option ";
 259         if ($month == $cgiparams{'MONTH'}) {
 260                 print "selected='selected' ";
 261         }
 262         print "value='$month'>$longmonths[$month]</option>\n";
 263 }
 264 print <<END
 265         </select>
 266         </td>
 267         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 268         <td width='40%'>
 269         <select name='DAY'>
 270 END
 271 ;
 272 print "<option value='0'>$Lang::tr{'all'}</option>\n";
 273 for (my $day = 1; $day <= 31; $day++)
 274 {
 275         print "\t<option ";
 276         if ($day == $cgiparams{'DAY'}) {
 277                 print "selected='selected' ";
 278         }
 279         print "value='$day'>$day</option>\n";
 280 }
 281 print <<END
 282 </select>
 283 </td>
 284 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 285 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 286 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 287 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
 288 </tr>
 289 </table>
 290 </form>
 291 END
 292 ;
 293
 294 &Header::closebox();
 295
 296 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 297 print "<p><b>$Lang::tr{'firewall hits'} $date: $lines</b></p>";
 298
 299 my $lastPageIndex = $lines - ${Header::viewsize};
 300 $start = $lastPageIndex if ($start >= $lastPageIndex);
 301 $start = 0 if ($start < 0);
 302
 303 my $prev;
 304 if ($start == 0) {
 305         $prev = -1;
 306 } else {
 307         $prev = $start - ${Header::viewsize};
 308         $prev = 0 if ( $prev < 0);
 309 }
 310
 311 my $next;
 312 if ($start == $lastPageIndex) {
 313         $next = -1;
 314 } else {
 315         $next = $start + ${Header::viewsize};
 316         $next = $lines - ${Header::viewsize} if ($next >= $lines - ${Header::viewsize});
 317 }
 318
 319 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 320 if ($lines != 0) { &oldernewer(); }
 321
 322 print <<END
 323 <table width='100%' class='tbl'>
 324 <tr>
 325         <th align='center' class='boldbase'><b>$Lang::tr{'time'}</b></th>
 326         <th align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></th>
 327         <th align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></th>
 328         <th align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></th>
 329         <th align='center' class='boldbase'><b>$Lang::tr{'source'}<br/>$Lang::tr{'destination'}</b></th>
 330         <th align='center' class='boldbase'><b>$Lang::tr{'src port'}<br />$Lang::tr{'dst port'}</b></th>
 331         <th align='center' class='boldbase'><b>$Lang::tr{'country'}</b></th>
 332         <th align='center' class='boldbase'><b>$Lang::tr{'mac address'}</b></th>
 333 </tr>
 334 END
 335 ;
 336
 337 # Generate hash to translate protocol numbers into protocol names.
 338 my %protocols = &General::generateProtoTransHash();
 339
 340 $lines = 0;
 341 foreach $_ (@log)
 342 {
 343         # If ipv6 uses a bridge, PHYSIN= contains the relevant iface information
 344         # otherwise use IN=
 345         my $packet = '';
 346         if ($_ =~ /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)(PHYSIN=.*)$/) { $packet = $5; }
 347         elsif ($_ =~ /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) { $packet = $4; }
 348         my $day =  $1;
 349         $day =~ tr / /0/;
 350         my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 351         my $chain = $3;
 352
 353         my ($iface, $srcaddr, $dstaddr, $macaddr, $proto, $srcport, $dstport);
 354         if ($packet =~ /PHYSIN=(\w+)/) { $iface=$1; } elsif ($packet =~ /IN=(\w+)/) { $iface = $1; }
 355         # Identify whether ipv4 or ipv6. Both are mutally exclusive.
 356         if ($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) { $srcaddr=$1; }
 357         if ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/) { $srcaddr=$1; }
 358         if ($packet =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) { $dstaddr=$1; }
 359         if ($packet =~ /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/) { $dstaddr=$1; }
 360         $macaddr=$1 if $packet =~ /MAC=([\w+\:]+)/;
 361         $proto=$1   if $packet =~ /PROTO=(\w+)/;
 362         $srcport=$1 if $packet =~ /SPT=(\d+)/;
 363         $dstport=$1 if $packet =~ /DPT=(\d+)/;
 364
 365         # Get the country code.
 366         my $ccode = &Location::Functions::lookup_country_code($srcaddr);
 367
 368         # Lookup if the grabbed protocol is part of the protocols hash.
 369         if (exists ($protocols{$proto})) {
 370                 # Translate protocol number into protocol name.
 371                 $proto = $protocols{$proto};
 372         }
 373
 374         my $servi = uc(getservbyport($srcport, lc($proto)));
 375         if ($servi ne '' && $srcport < 1024) {
 376                 $srcport = "$srcport($servi)";
 377         }
 378         $servi = uc(getservbyport($dstport, lc($proto)));
 379         if ($servi ne '' && $dstport < 1024) {
 380                 $dstport = "$dstport($servi)";
 381         }
 382         my @mactemp = split(/:/,$macaddr);
 383         $macaddr = "$mactemp[6]:$mactemp[7]:$mactemp[8]:$mactemp[9]:$mactemp[10]:$mactemp[11]";
 384         my $col="";
 385         if ($lines % 2) {
 386                 print "<tr>";
 387                 $col="bgcolor='$color{'color20'}'";
 388         }
 389         else {
 390                 print "<tr>";
 391                 $col="bgcolor='$color{'color22'}'";
 392         }
 393         print <<END
 394
 395         <td align='center' $col>$time</td>
 396         <td align='center' $col>$chain</td>
 397         <td align='center' $col>$iface</td>
 398         <td align='center' $col>$proto</td>
 399         <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>
 400         <td align='center' $col>$srcport<br/>$dstport</td>
 401 END
 402         ;
 403         # Get flag icon for of the country.
 404         my $flag_icon = &Location::Functions::get_flag_icon($ccode);
 405
 406         if ( $flag_icon) {
 407                 print "<td align='center' $col><a href='../country.cgi#$ccode'><img src='$flag_icon' border='0' align='absmiddle' alt='$ccode'></a></td>";
 408         } else {
 409                 print "<td align='center' $col></td>";
 410         }
 411
 412         print <<END
 413         <td align='center' $col>$macaddr</td>
 414         </tr>
 415 END
 416         ;
 417         $lines++;
 418 }
 419
 420 print "</table>";
 421
 422 &oldernewer();
 423
 424 &Header::closebox();
 425
 426 &Header::closebigbox();
 427
 428 &Header::closepage();
 429
 430 sub oldernewer
 431 {
 432         print <<END
 433         <table width='100%'>
 434         <tr>
 435 END
 436         ;
 437
 438         print "<td align='center' width='50%'>";
 439         if ($prev != -1) {
 440                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?0,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'first'}</a> ";
 441                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>";
 442         }
 443         else {
 444                 print "$Lang::tr{'first'} $Lang::tr{'older'}";
 445         }
 446         print "</td>\n";
 447
 448         print "<td align='center' width='50%'>";
 449         if ($next >= 0) {
 450                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a> ";
 451                 print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$lastPageIndex,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'last'}</a>";
 452         }
 453         else {
 454                 print "$Lang::tr{'newer'} $Lang::tr{'last'} ";
 455         }
 456         print "</td>\n";
 457
 458         print <<END
 459         </tr>
 460         </table>
 461 END
 462         ;
 463 }
 464