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 'CONFIG_ROOT/general-functions.pl';
  24 require "${General::swroot}/lang.pl";
  25 require "${General::swroot}/header.pl";
  26
  27 use POSIX();
  28
  29 #workaround to suppress a warning when a variable is used only once
  30 my @dummy = ( ${Header::table2colour} );
  31 undef (@dummy);
  32
  33 my %cgiparams=();
  34 my %logsettings=();
  35 my $errormessage = '';
  36
  37 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  38         'Sep', 'Oct', 'Nov', 'Dec' );
  39 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  40         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  41         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  42         $Lang::tr{'december'} );
  43
  44 my @now = localtime();
  45 my $dow = $now[6];
  46 my $doy = $now[7];
  47 my $tdoy = $now[7];
  48 my $year = $now[5]+1900;
  49
  50 $cgiparams{'DAY'} = $now[3];
  51 $cgiparams{'MONTH'} = $now[4];
  52 $cgiparams{'ACTION'} = '';
  53
  54 &Header::getcgihash(\%cgiparams);
  55 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  56 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  57 ${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
  58
  59 my $start = ($logsettings{'LOGVIEW_REVERSE'} eq 'on') ? 0x7FFFF000 : 0; #index of firts line number to display
  60
  61 if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
  62 {
  63         my @temp = split(',',$ENV{'QUERY_STRING'});
  64         $start = $temp[0];
  65         $cgiparams{'MONTH'} = $temp[1];
  66         $cgiparams{'DAY'} = $temp[2];
  67 }
  68
  69 if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
  70         !($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)$/))
  71 {
  72         $cgiparams{'DAY'} = $now[3];
  73         $cgiparams{'MONTH'} = $now[4];
  74 }
  75 elsif($cgiparams{'ACTION'} eq '>>')
  76 {
  77         my @temp_then=();
  78         my @temp_now = localtime(time);
  79         $temp_now[4] = $cgiparams{'MONTH'};
  80         $temp_now[3] = $cgiparams{'DAY'};
  81         if ($cgiparams{'DAY'}) {
  82             @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  83             ## Retrieve the same time on the next day +
  84             ## 86400 seconds in a day
  85         } else {
  86             $temp_now[3] = 1;
  87             $temp_now[4] = ($temp_now[4]+1) %12;
  88             @temp_then = localtime(POSIX::mktime(@temp_now) );
  89             $temp_then[3] = 0;
  90         }
  91         $cgiparams{'MONTH'} = $temp_then[4];
  92         $cgiparams{'DAY'} = $temp_then[3];
  93 }
  94 elsif($cgiparams{'ACTION'} eq '<<')
  95 {
  96         my @temp_then=();
  97         my @temp_now = localtime(time);
  98         $temp_now[4] = $cgiparams{'MONTH'};
  99         $temp_now[3] = $cgiparams{'DAY'};
 100         if ($cgiparams{'DAY'}) {
 101             @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
 102             ## Retrieve the same time on the next day -
 103             ## 86400 seconds in a day
 104         } else {
 105             $temp_now[3] = 1;
 106             $temp_now[4] = ($temp_now[4]-1) %12;
 107             @temp_then = localtime(POSIX::mktime(@temp_now) );
 108             $temp_then[3] = 0;
 109         }
 110         $cgiparams{'MONTH'} = $temp_then[4];
 111         $cgiparams{'DAY'} = $temp_then[3];
 112 }
 113
 114 # Find in which file.gz is the log. Can be calculated because WEEKLY ROTATING of access.log
 115 my $gzindex;
 116 my $date = $cgiparams{'DAY'} == 0 ? '' :  $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 117
 118 {
 119     my $xday;
 120
 121     # Calculate time. If future date, calculate for past year !!!
 122     if (( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
 123         ( $cgiparams{'MONTH'}  > $now[4] ) ) {
 124         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 );
 125         $date = "$longmonths[$cgiparams{'MONTH'}] $date, ". int($year-1);
 126     } else {
 127         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 );
 128         $date = "$longmonths[$cgiparams{'MONTH'}] $date, $year";
 129     }
 130
 131     # calculate end of active week (saturday 23H59)
 132     my @then = ();
 133     @then = localtime(time());
 134     my $sunday = POSIX::mktime( 0, 0, 0, @then[3], @then[4], @then[5]);
 135     $sunday += (6-$then[6]) * 86400;
 136
 137     # Convert delta in second to full weeks
 138         $gzindex = int (($sunday-$xday)/604800 );
 139 }
 140
 141 my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
 142 my $daystr =  $cgiparams{'DAY'} == 0 ?  '..' : $cgiparams{'DAY'} <= 9 ? " $cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 143
 144 my $lines = 0;
 145 my @log=();
 146
 147 my $loop = 1;
 148 my $filestr = 0;
 149 my $lastdatetime;           # for debug
 150 my $search_for_end = 0;
 151
 152 while ($gzindex >=0 && $loop) {
 153         # calculate file name
 154         if ($gzindex == 0) {
 155             $filestr = "/var/log/messages";
 156         } else {
 157             $filestr = "/var/log/messages.$gzindex";
 158             $filestr = "$filestr.gz" if -f "$filestr.gz";
 159         }
 160         # now read file if existing
 161         if (open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr))) {
 162             #&General::log("reading $filestr");
 163             READ:while (<FILE>) {
 164                 my $line = $_;
 165                 if ($line =~ /^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*IN=.*$/) {
 166                     # when standart viewing, just keep in memory the correct slice
 167                     # it starts a '$start' and size is $viewport
 168                     # If export, then keep all lines...
 169                     if ($cgiparams{'ACTION'} eq $Lang::tr{'export'}){
 170                         $log[$lines++] = "$line";
 171                     } else {
 172                         if ($lines++ < ($start + $Header::viewsize)) {
 173                             push(@log,"$line");
 174                             if (@log > $Header::viewsize) {
 175                                 shift (@log);
 176                             }
 177                         #} else { dont do this optimisation, need to count lines !
 178                             #    $datetime = $maxtime; # we have read viewsize lines, stop main loop
 179                             #    last READ;           # exit read file
 180                         }
 181                     }
 182                     $search_for_end = 1;        # we find the start of slice, can look for end now
 183                 } else {
 184                     if ($search_for_end == 1) {
 185                         #finish read files when date is over (test month equality only)
 186                         $line =~ /^(...) (..) ..:..:..*$/;
 187                         $loop = 0 if ( ($1 ne $monthstr) || ( ($daystr ne '..') && ($daystr ne $2) ) );
 188                     }
 189                 }
 190             }
 191             close (FILE);
 192         }
 193         $gzindex--;     # will try next gz file eg 40,39,38,.... because it may have holes when ipcop stopped
 194                         # for a long time
 195 }# while
 196
 197 #  $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 198
 199 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 200 {
 201         print "Content-type: text/plain\n\n";
 202         print "IPFire firewall log\r\n";
 203         print "$Lang::{'date'}: $date\r\n\r\n";
 204
 205         if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 206
 207         foreach $_ (@log)
 208         {
 209                 /^... (..) (..:..:..) [\w\-]+ kernel:.*(IN=.*)$/;
 210                 my $day =  $1;
 211                 $day =~ tr / /0/;
 212                 my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 213                 print "$time $3\r\n";
 214
 215         }
 216         exit 0;
 217 }
 218
 219 &Header::showhttpheaders();
 220
 221 &Header::openpage($Lang::tr{'firewall log'}, 1, '');
 222
 223 &Header::openbigbox('100%', 'left', '', $errormessage);
 224
 225 if ($errormessage) {
 226         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 227         print "<font class='base'>$errormessage&nbsp;</font>\n";
 228         &Header::closebox();
 229 }
 230
 231 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
 232
 233 print <<END
 234 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 235 <table width='100%'>
 236 <tr>
 237         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 238         <td width='10%'>
 239         <select name='MONTH'>
 240 END
 241 ;
 242 for (my $month = 0; $month < 12; $month++)
 243 {
 244         print "\t<option ";
 245         if ($month == $cgiparams{'MONTH'}) {
 246                 print "selected='selected' "; }
 247         print "value='$month'>$longmonths[$month]</option>\n";
 248 }
 249 print <<END
 250         </select>
 251         </td>
 252         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 253         <td width='40%'>
 254         <select name='DAY'>
 255 END
 256 ;
 257 print "<option value='0'>$Lang::tr{'all'}</option>\n";
 258 for (my $day = 1; $day <= 31; $day++)
 259 {
 260         print "\t<option ";
 261         if ($day == $cgiparams{'DAY'}) {
 262                 print "selected='selected' "; }
 263         print "value='$day'>$day</option>\n";
 264 }
 265 print <<END
 266 </select>
 267 </td>
 268 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 269 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 270 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 271 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
 272 </tr>
 273 </table>
 274 </form>
 275 END
 276 ;
 277
 278 &Header::closebox();
 279
 280 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 281 print "<p><b>$Lang::tr{'firewall hits'} $date: $lines</b></p>";
 282
 283 $start = $lines - ${Header::viewsize} if ($start >= $lines - ${Header::viewsize});
 284 $start = 0 if ($start < 0);
 285
 286 my $prev;
 287     if ($start == 0) {
 288         $prev = -1;
 289     } else {
 290         $prev = $start - ${Header::viewsize};
 291         $prev = 0 if ( $prev < 0);
 292     }
 293
 294 my $next;
 295     if ($start == $lines - ${Header::viewsize}) {
 296         $next = -1;
 297     } else {
 298         $next = $start + ${Header::viewsize};
 299         $next = $lines - ${Header::viewsize} if ($next >= $lines - ${Header::viewsize});
 300     }
 301
 302 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 303 if ($lines != 0) { &oldernewer(); }
 304
 305 print <<END
 306 <table width='100%'>
 307 <tr>
 308         <td width='10%' align='center' class='boldbase'><b>$Lang::tr{'time'}</b></td>
 309         <td width='13%' align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></td>
 310         <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></td>
 311         <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></td>
 312         <td width='16%' align='center' class='boldbase'><b>$Lang::tr{'source'}</b></td>
 313         <td align='center' class='boldbase'><b>Flag</b></td>
 314         <td width='10%' align='center' class='boldbase'><b>$Lang::tr{'src port'}</b></td>
 315         <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'mac address'}</b></td>
 316         <td width='16%' align='center' class='boldbase'><b>$Lang::tr{'destination'}</b></td>
 317         <td width='20%' align='center' class='boldbase'><b>$Lang::tr{'dst port'}</b></td>
 318 </tr>
 319 END
 320 ;
 321
 322
 323 $lines = 0;
 324 foreach $_ (@log)
 325 {
 326         /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
 327         my $day =  $1;
 328         $day =~ tr / /0/;
 329         my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 330         my $comment = $3;
 331         my $packet = $4;
 332
 333         $packet =~ /IN=(\w+)/;       my $iface=$1;
 334         $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
 335         $packet =~ /DST=([\d\.]+)/;  my $dstaddr=$1;
 336         $packet =~ /MAC=([\w+\:]+)/; my $macaddr=$1;
 337         $packet =~ /PROTO=(\w+)/;    my $proto=$1;
 338         $packet =~ /SPT=(\d+)/;      my $srcport=$1;
 339         $packet =~ /DPT=(\d+)/;      my $dstport=$1;
 340
 341         my $gi = Geo::IP::PurePerl->new();
 342         my $ccode = $gi->country_code_by_name($srcaddr);
 343         my $fcode = lc($ccode);
 344
 345         my $servi = uc(getservbyport($srcport, lc($proto)));
 346         if ($servi ne '' && $srcport < 1024) {
 347                 $srcport = "$srcport($servi)"; }
 348         $servi = uc(getservbyport($dstport, lc($proto)));
 349         if ($servi ne '' && $dstport < 1024) {
 350                 $dstport = "$dstport($servi)";}
 351         my @mactemp = split(/:/,$macaddr);
 352         $macaddr = "$mactemp[6]:$mactemp[7]:$mactemp[8]:$mactemp[9]:$mactemp[10]:$mactemp[11]";
 353         if ($lines % 2) {
 354                 print "<tr bgcolor='${Header::table1colour}'>\n"; }
 355         else {
 356                 print "<tr bgcolor='${Header::table2colour}'>\n"; }
 357         print <<END
 358
 359         <td align='center'>$time</td>
 360         <td align='center'>$comment</td>
 361         <td align='center'>$iface</td>
 362         <td align='center'>$proto</td>
 363         <td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a></td>
 364         <td align='center'><a href='../country.cgi#$fcode'><img src='/images/flags/$fcode.png' border='0' align='absmiddle' alt='$ccode'></a></td>
 365         <td align='center'>$srcport</td>
 366         <td align='center'>$macaddr</td>
 367         <td align='center'>
 368         <table width='100%' cellpadding='0' cellspacing='0'><tr>
 369         <td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
 370         </tr></table>
 371         </td>
 372         <td align='center'>$dstport</td>
 373 </tr>
 374 END
 375         ;
 376         $lines++;
 377 }
 378
 379 print "</table>";
 380
 381 &oldernewer();
 382
 383 &Header::closebox();
 384
 385 &Header::closebigbox();
 386
 387 &Header::closepage();
 388
 389 sub oldernewer
 390 {
 391 print <<END
 392 <table width='100%'>
 393 <tr>
 394 END
 395 ;
 396
 397 print "<td align='center' width='50%'>";
 398 if ($prev != -1) {
 399         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>"; }
 400 else {
 401         print "$Lang::tr{'older'}"; }
 402 print "</td>\n";
 403
 404 print "<td align='center' width='50%'>";
 405 if ($next >= 0) {
 406         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a>"; }
 407 else {
 408         print "$Lang::tr{'newer'}"; }
 409 print "</td>\n";
 410
 411 print <<END
 412 </tr>
 413 </table>
 414 END
 415 ;
 416 }