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 # enable only the following on debugging purpose
  17 #use warnings;
  18 #use CGI::Carp 'fatalsToBrowser';
  19
  20 require 'CONFIG_ROOT/general-functions.pl';
  21 require "${General::swroot}/lang.pl";
  22 require "${General::swroot}/header.pl";
  23
  24 use POSIX();
  25
  26 #workaround to suppress a warning when a variable is used only once
  27 my @dummy = ( ${Header::table2colour} );
  28 undef (@dummy);
  29
  30 my %cgiparams=();
  31 my %logsettings=();
  32 my $errormessage = '';
  33
  34 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  35         'Sep', 'Oct', 'Nov', 'Dec' );
  36 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  37         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  38         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  39         $Lang::tr{'december'} );
  40
  41 my @now = localtime();
  42 my $dow = $now[6];
  43 my $doy = $now[7];
  44 my $tdoy = $now[7];
  45 my $year = $now[5]+1900;
  46
  47 $cgiparams{'DAY'} = $now[3];
  48 $cgiparams{'MONTH'} = $now[4];
  49 $cgiparams{'ACTION'} = '';
  50
  51 &Header::getcgihash(\%cgiparams);
  52 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  53 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  54 ${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
  55
  56 my $start = ($logsettings{'LOGVIEW_REVERSE'} eq 'on') ? 0x7FFFF000 : 0; #index of firts line number to display
  57
  58 if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
  59 {
  60         my @temp = split(',',$ENV{'QUERY_STRING'});
  61         $start = $temp[0];
  62         $cgiparams{'MONTH'} = $temp[1];
  63         $cgiparams{'DAY'} = $temp[2];
  64 }
  65
  66 if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
  67         !($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)$/))
  68 {
  69         $cgiparams{'DAY'} = $now[3];
  70         $cgiparams{'MONTH'} = $now[4];
  71 }
  72 elsif($cgiparams{'ACTION'} eq '>>')
  73 {
  74         my @temp_then=();
  75         my @temp_now = localtime(time);
  76         $temp_now[4] = $cgiparams{'MONTH'};
  77         $temp_now[3] = $cgiparams{'DAY'};
  78         if ($cgiparams{'DAY'}) {
  79             @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  80             ## Retrieve the same time on the next day +
  81             ## 86400 seconds in a day
  82         } else {
  83             $temp_now[3] = 1;
  84             $temp_now[4] = ($temp_now[4]+1) %12;
  85             @temp_then = localtime(POSIX::mktime(@temp_now) );
  86             $temp_then[3] = 0;
  87         }
  88         $cgiparams{'MONTH'} = $temp_then[4];
  89         $cgiparams{'DAY'} = $temp_then[3];
  90 }
  91 elsif($cgiparams{'ACTION'} eq '<<')
  92 {
  93         my @temp_then=();
  94         my @temp_now = localtime(time);
  95         $temp_now[4] = $cgiparams{'MONTH'};
  96         $temp_now[3] = $cgiparams{'DAY'};
  97         if ($cgiparams{'DAY'}) {
  98             @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
  99             ## Retrieve the same time on the next day -
 100             ## 86400 seconds in a day
 101         } else {
 102             $temp_now[3] = 1;
 103             $temp_now[4] = ($temp_now[4]-1) %12;
 104             @temp_then = localtime(POSIX::mktime(@temp_now) );
 105             $temp_then[3] = 0;
 106         }
 107         $cgiparams{'MONTH'} = $temp_then[4];
 108         $cgiparams{'DAY'} = $temp_then[3];
 109 }
 110
 111 # Find in which file.gz is the log. Can be calculated because WEEKLY ROTATING of access.log
 112 my $gzindex;
 113 my $date = $cgiparams{'DAY'} == 0 ? '' :  $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 114
 115 {
 116     my $xday;
 117
 118     # Calculate time. If future date, calculate for past year !!!
 119     if (( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
 120         ( $cgiparams{'MONTH'}  > $now[4] ) ) {
 121         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 );
 122         $date = "$longmonths[$cgiparams{'MONTH'}] $date, ". int($year-1);
 123     } else {
 124         $xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 );
 125         $date = "$longmonths[$cgiparams{'MONTH'}] $date, $year";
 126     }
 127
 128     # calculate end of active week (saturday 23H59)
 129     my @then = ();
 130     @then = localtime(time());
 131     my $sunday = POSIX::mktime( 0, 0, 0, @then[3], @then[4], @then[5]);
 132     $sunday += (6-$then[6]) * 86400;
 133
 134     # Convert delta in second to full weeks
 135         $gzindex = int (($sunday-$xday)/604800 );
 136 }
 137
 138 my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
 139 my $daystr =  $cgiparams{'DAY'} == 0 ?  '..' : $cgiparams{'DAY'} <= 9 ? " $cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
 140
 141 my $lines = 0;
 142 my @log=();
 143
 144 my $loop = 1;
 145 my $filestr = 0;
 146 my $lastdatetime;           # for debug
 147 my $search_for_end = 0;
 148
 149 while ($gzindex >=0 && $loop) {
 150         # calculate file name
 151         if ($gzindex == 0) {
 152             $filestr = "/var/log/messages";
 153         } else {
 154             $filestr = "/var/log/messages.$gzindex";
 155             $filestr = "$filestr.gz" if -f "$filestr.gz";
 156         }
 157         # now read file if existing
 158         if (open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr))) {
 159             #&General::log("reading $filestr");
 160             READ:while (<FILE>) {
 161                 my $line = $_;
 162                 if ($line =~ /^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*IN=.*$/) {
 163                     # when standart viewing, just keep in memory the correct slice
 164                     # it starts a '$start' and size is $viewport
 165                     # If export, then keep all lines...
 166                     if ($cgiparams{'ACTION'} eq $Lang::tr{'export'}){
 167                         $log[$lines++] = "$line";
 168                     } else {
 169                         if ($lines++ < ($start + $Header::viewsize)) {
 170                             push(@log,"$line");
 171                             if (@log > $Header::viewsize) {
 172                                 shift (@log);
 173                             }
 174                         #} else { dont do this optimisation, need to count lines !
 175                             #    $datetime = $maxtime; # we have read viewsize lines, stop main loop
 176                             #    last READ;           # exit read file
 177                         }
 178                     }
 179                     $search_for_end = 1;        # we find the start of slice, can look for end now
 180                 } else {
 181                     if ($search_for_end == 1) {
 182                         #finish read files when date is over (test month equality only)
 183                         $line =~ /^(...) (..) ..:..:..*$/;
 184                         $loop = 0 if ( ($1 ne $monthstr) || ( ($daystr ne '..') && ($daystr ne $2) ) );
 185                     }
 186                 }
 187             }
 188             close (FILE);
 189         }
 190         $gzindex--;     # will try next gz file eg 40,39,38,.... because it may have holes when ipcop stopped
 191                         # for a long time
 192 }# while
 193
 194 #  $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 195
 196 if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
 197 {
 198         print "Content-type: text/plain\n\n";
 199         print "IPCop firewall log\r\n";
 200         print "$Lang::{'date'}: $date\r\n\r\n";
 201
 202         if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 203
 204         foreach $_ (@log)
 205         {
 206                 /^... (..) (..:..:..) [\w\-]+ kernel:.*(IN=.*)$/;
 207                 my $day =  $1;
 208                 $day =~ tr / /0/;
 209                 my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 210                 print "$time $3\r\n";
 211
 212         }
 213         exit 0;
 214 }
 215
 216 &Header::showhttpheaders();
 217
 218 &Header::openpage($Lang::tr{'firewall log'}, 1, '');
 219
 220 &Header::openbigbox('100%', 'left', '', $errormessage);
 221
 222 if ($errormessage) {
 223         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 224         print "<font class='base'>$errormessage&nbsp;</font>\n";
 225         &Header::closebox();
 226 }
 227
 228 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
 229
 230 print <<END
 231 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 232 <table width='100%'>
 233 <tr>
 234         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 235         <td width='10%'>
 236         <select name='MONTH'>
 237 END
 238 ;
 239 for (my $month = 0; $month < 12; $month++)
 240 {
 241         print "\t<option ";
 242         if ($month == $cgiparams{'MONTH'}) {
 243                 print "selected='selected' "; }
 244         print "value='$month'>$longmonths[$month]</option>\n";
 245 }
 246 print <<END
 247         </select>
 248         </td>
 249         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 250         <td width='40%'>
 251         <select name='DAY'>
 252 END
 253 ;
 254 print "<option value='0'>$Lang::tr{'all'}</option>\n";
 255 for (my $day = 1; $day <= 31; $day++)
 256 {
 257         print "\t<option ";
 258         if ($day == $cgiparams{'DAY'}) {
 259                 print "selected='selected' "; }
 260         print "value='$day'>$day</option>\n";
 261 }
 262 print <<END
 263 </select>
 264 </td>
 265 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 266 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 267 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 268 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
 269 </tr>
 270 </table>
 271 </form>
 272 END
 273 ;
 274
 275 &Header::closebox();
 276
 277 &Header::openbox('100%', 'left', $Lang::tr{'log'});
 278 print "<p><b>$Lang::tr{'firewall hits'} $date: $lines</b></p>";
 279
 280 $start = $lines - ${Header::viewsize} if ($start >= $lines - ${Header::viewsize});
 281 $start = 0 if ($start < 0);
 282
 283 my $prev;
 284     if ($start == 0) {
 285         $prev = -1;
 286     } else {
 287         $prev = $start - ${Header::viewsize};
 288         $prev = 0 if ( $prev < 0);
 289     }
 290
 291 my $next;
 292     if ($start == $lines - ${Header::viewsize}) {
 293         $next = -1;
 294     } else {
 295         $next = $start + ${Header::viewsize};
 296         $next = $lines - ${Header::viewsize} if ($next >= $lines - ${Header::viewsize});
 297     }
 298
 299 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
 300 if ($lines != 0) { &oldernewer(); }
 301
 302 print <<END
 303 <table width='100%'>
 304 <tr>
 305         <td width='10%' align='center' class='boldbase'><b>$Lang::tr{'time'}</b></td>
 306         <td width='13%' align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></td>
 307         <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></td>
 308         <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></td>
 309         <td width='16%' align='center' class='boldbase'><b>$Lang::tr{'source'}</b></td>
 310         <td width='10%' align='center' class='boldbase'><b>$Lang::tr{'src port'}</b></td>
 311         <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'mac address'}</b></td>
 312         <td width='16%' align='center' class='boldbase'><b>$Lang::tr{'destination'}</b></td>
 313         <td width='20%' align='center' class='boldbase'><b>$Lang::tr{'dst port'}</b></td>
 314 </tr>
 315 END
 316 ;
 317
 318
 319 $lines = 0;
 320 foreach $_ (@log)
 321 {
 322         /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
 323         my $day =  $1;
 324         $day =~ tr / /0/;
 325         my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
 326         my $comment = $3;
 327         my $packet = $4;
 328
 329
 330         $packet =~ /IN=(\w+)/;       my $iface=$1;
 331         $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
 332         $packet =~ /DST=([\d\.]+)/;  my $dstaddr=$1;
 333         $packet =~ /MAC=([\w+\:]+)/; my $macaddr=$1;
 334         $packet =~ /PROTO=(\w+)/;    my $proto=$1;
 335         $packet =~ /SPT=(\d+)/;      my $srcport=$1;
 336         $packet =~ /DPT=(\d+)/;      my $dstport=$1;
 337         my $servi = uc(getservbyport($srcport, lc($proto)));
 338         if ($servi ne '' && $srcport < 1024) {
 339                 $srcport = "$srcport($servi)"; }
 340         $servi = uc(getservbyport($dstport, lc($proto)));
 341         if ($servi ne '' && $dstport < 1024) {
 342                 $dstport = "$dstport($servi)";}
 343         my @mactemp = split(/:/,$macaddr);
 344         $macaddr = "$mactemp[6]:$mactemp[7]:$mactemp[8]:$mactemp[9]:$mactemp[10]:$mactemp[11]";
 345         if ($lines % 2) {
 346                 print "<tr bgcolor='${Header::table1colour}'>\n"; }
 347         else {
 348                 print "<tr bgcolor='${Header::table2colour}'>\n"; }
 349         print <<END
 350
 351         <td align='center'>$time</td>
 352         <td align='center'>$comment</td>
 353         <td align='center'>$iface</td>
 354         <td align='center'>$proto</td>
 355         <td align='center'>
 356         <table width='100%' cellpadding='0' cellspacing='0'><tr>
 357         <td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a></td>
 358         </tr></table>
 359         </td>
 360         <td align='center'>$srcport</td>
 361         <td align='center'>$macaddr</td>
 362         <td align='center'>
 363         <table width='100%' cellpadding='0' cellspacing='0'><tr>
 364         <td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
 365         </tr></table>
 366         </td>
 367         <td align='center'>$dstport</td>
 368 </tr>
 369 END
 370         ;
 371         $lines++;
 372 }
 373
 374 print "</table>";
 375
 376 &oldernewer();
 377
 378 &Header::closebox();
 379
 380 &Header::closebigbox();
 381
 382 &Header::closepage();
 383
 384 sub oldernewer
 385 {
 386 print <<END
 387 <table width='100%'>
 388 <tr>
 389 END
 390 ;
 391
 392 print "<td align='center' width='50%'>";
 393 if ($prev != -1) {
 394         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>"; }
 395 else {
 396         print "$Lang::tr{'older'}"; }
 397 print "</td>\n";
 398
 399 print "<td align='center' width='50%'>";
 400 if ($next >= 0) {
 401         print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a>"; }
 402 else {
 403         print "$Lang::tr{'newer'}"; }
 404 print "</td>\n";
 405
 406 print <<END
 407 </tr>
 408 </table>
 409 END
 410 ;
 411 }