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f97c6774ef
If bridged ipv6 is used, $iface is taken from PHYSIN In the log line the order of fields is "... IN=XY OUT=XY PHYSIN=XY ..." Signed-off-by: Michael Eitelwein <michael@eitelwein.net>
393 lines
12 KiB
Perl
393 lines
12 KiB
Perl
#!/usr/bin/perl
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# SmoothWall CGIs
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#
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# This code is distributed under the terms of the GPL
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#
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# JC HERITIER
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# page inspired from the initial firewalllog.dat
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#
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# Modified for IPFire by Christian Schmidt (www.ipfire.org)
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# enable only the following on debugging purpose
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#use warnings;
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#use CGI::Carp 'fatalsToBrowser';
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require '/var/ipfire/general-functions.pl';
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require "${General::swroot}/lang.pl";
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require "${General::swroot}/header.pl";
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use POSIX();
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#workaround to suppress a warning when a variable is used only once
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my @dummy = ( ${Header::table2colour} );
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undef (@dummy);
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my %cgiparams=();
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my %logsettings=();
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my $errormessage = '';
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my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
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'Sep', 'Oct', 'Nov', 'Dec' );
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my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
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$Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
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$Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
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$Lang::tr{'december'} );
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my @now = localtime();
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my $dow = $now[6];
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my $doy = $now[7];
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my $tdoy = $now[7];
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my $year = $now[5]+1900;
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$cgiparams{'DAY'} = $now[3];
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$cgiparams{'MONTH'} = $now[4];
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$cgiparams{'ACTION'} = '';
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&Header::getcgihash(\%cgiparams);
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$logsettings{'LOGVIEW_REVERSE'} = 'off';
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&General::readhash("${General::swroot}/logging/settings", \%logsettings);
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my $start = -1;
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if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
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{
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my @temp = split(',',$ENV{'QUERY_STRING'});
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$start = $temp[0];
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$cgiparams{'MONTH'} = $temp[1];
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$cgiparams{'DAY'} = $temp[2];
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$cgiparams{ip} = $temp[3];
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}
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if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
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!($cgiparams{'DAY'} =~ /^(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)$/))
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{
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$cgiparams{'DAY'} = $now[3];
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$cgiparams{'MONTH'} = $now[4];
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}
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elsif($cgiparams{'ACTION'} eq '>>')
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{
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my @temp_then=();
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my @temp_now = localtime(time);
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$temp_now[4] = $cgiparams{'MONTH'};
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$temp_now[3] = $cgiparams{'DAY'};
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@temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
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## Retrieve the same time on the next day -
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## 86400 seconds in a day
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$cgiparams{'MONTH'} = $temp_then[4];
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$cgiparams{'DAY'} = $temp_then[3];
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}
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elsif($cgiparams{'ACTION'} eq '<<')
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{
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my @temp_then=();
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my @temp_now = localtime(time);
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$temp_now[4] = $cgiparams{'MONTH'};
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$temp_now[3] = $cgiparams{'DAY'};
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@temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
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## Retrieve the same time on the previous day -
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## 86400 seconds in a day
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$cgiparams{'MONTH'} = $temp_then[4];
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$cgiparams{'DAY'} = $temp_then[3];
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}
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if (($cgiparams{'DAY'} ne $now[3]) || ($cgiparams{'MONTH'} ne $now[4]))
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{
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my @then = ();
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if ( ( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
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( $cgiparams{'MONTH'} > $now[4] ) ) {
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@then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 ));
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} else {
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@then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 ));
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}
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$tdoy = $then[7];
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my $lastleap=($year-1)%4;
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if ($tdoy>$doy) {
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if ($lastleap == 0 && $tdoy < 60) {
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$doy=$tdoy+366;
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} else {
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$doy=$doy+365;
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}
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}
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}
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my $datediff=0;
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my $dowd=0;
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my $multifile=0;
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if ($tdoy ne $doy) {
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$datediff=int(($doy-$tdoy)/7);
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$dowd=($doy-$tdoy)%7;
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if (($dow-$dowd)<1) {
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$datediff=$datediff+1;
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}
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if (($dow-$dowd)==0) {
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$multifile=1;
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}
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}
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my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
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my $longmonthstr = $longmonths[$cgiparams{'MONTH'}];
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my $day = $cgiparams{'DAY'};
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my $daystr='';
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if ($day <= 9) {
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$daystr = " $day"; }
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else {
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$daystr = $day;
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}
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my $skip=0;
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my $filestr='';
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if ($datediff==0) {
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$filestr="/var/log/messages";
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} else {
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$filestr="/var/log/messages.$datediff";
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$filestr = "$filestr.gz" if -f "$filestr.gz";
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}
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if (!(open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
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$errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
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$skip=1;
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# Note: This is in case the log does not exist for that date
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}
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my $lines = 0;
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my @log=();
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my $ip = $cgiparams{ip};
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if (!$skip)
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{
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while (<FILE>)
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{
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if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+ kernel:.*(IN=.*)$/) {
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if (($_ =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
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if($1 eq $ip){
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$log[$lines] = $_;
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$lines++;
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}
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}
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}
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}
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close (FILE);
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}
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$skip=0;
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if ($multifile) {
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$datediff=$datediff-1;
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if ($datediff==0) {
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$filestr="/var/log/messages";
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} else {
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$filestr="/var/log/messages.$datediff";
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$filestr = "$filestr.gz" if -f "$filestr.gz";
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}
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if (!(open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
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$errormessage="$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
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$skip=1;
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}
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if (!$skip) {
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while (<FILE>) {
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if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+ kernel:.*(IN=.*)$/) {
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if (($_ =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
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if($1 eq $ip){
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$log[$lines] = $_;
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$lines++;
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}
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}
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}
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}
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close (FILE);
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}
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}
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&Header::showhttpheaders();
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&Header::openpage($Lang::tr{'firewall log'}, 1, '');
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&Header::openbigbox('100%', 'left', '', $errormessage);
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if ($errormessage) {
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&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
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print "<font class='base'>$errormessage </font>\n";
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&Header::closebox();
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}
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&Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
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print <<END
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<form method='post' action='$ENV{'SCRIPT_NAME'}'>
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<table width='100%'>
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<tr>
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<td width='10%' class='base'>$Lang::tr{'month'}: </td>
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<td width='10%'>
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<select name='MONTH'>
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END
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;
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my $month;
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for ($month = 0; $month < 12; $month++)
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{
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print "\t<option ";
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if ($month == $cgiparams{'MONTH'}) {
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print "selected='selected' "; }
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print "value='$month'>$longmonths[$month]</option>\n";
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}
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print <<END
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</select>
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</td>
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<td width='10%' class='base' align='right'> $Lang::tr{'day'}: </td>
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<td width='40%'>
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<select name='DAY'>
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END
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;
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for ($day = 1; $day <= 31; $day++)
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{
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print "\t<option ";
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if ($day == $cgiparams{'DAY'}) {
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print "selected='selected' "; }
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print "value='$day'>$day</option>\n";
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}
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print <<END
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</select>
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</td>
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<td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='<<' /></td>
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<td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='>>' /></td>
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<td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
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<tr><td width='15%'>$Lang::tr{'source ip'}</td><td><input type='text' name='ip' value='$cgiparams{ip}'size='15'></td></tr>
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</tr>
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</table>
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</form>
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END
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;
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&Header::closebox();
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&Header::openbox('100%', 'left', $Lang::tr{'firewall log'});
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print "<p><b>$Lang::tr{'firewall hits'} $longmonthstr $daystr: $lines</b></p>";
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if ($start == -1) {
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$start = $lines - ${Header::viewsize}; }
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if ($start >= $lines - ${Header::viewsize}) { $start = $lines - ${Header::viewsize}; };
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if ($start < 0) { $start = 0; }
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my $prev = $start - ${Header::viewsize};
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my $next = $start + ${Header::viewsize};
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if ($prev < 0) { $prev = 0; }
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if ($next >= $lines) { $next = -1 }
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if ($start == 0) { $prev = -1; }
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if ($lines != 0) { &oldernewer(); }
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print <<END
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<table width='100%'>
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<tr>
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<td width='10%' align='center' class='boldbase'><b>$Lang::tr{'time'}</b></td>
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<td width='13%' align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></td>
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<td width='5%' align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></td>
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<td width='5%' align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></td>
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<td width='16%' align='center' class='boldbase'><b>$Lang::tr{'source'}</b></td>
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<td width='10%' align='center' class='boldbase'><b>$Lang::tr{'src port'}</b></td>
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<td width='16%' align='center' class='boldbase'><b>$Lang::tr{'destination'}</b></td>
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<td width='16%' align='center' class='boldbase'><b>$Lang::tr{'dst port'}</b></td>
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</tr>
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END
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;
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my @slice = splice(@log, $start, ${Header::viewsize});
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if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @slice = reverse @slice; }
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$lines = 0;
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foreach $_ (@slice)
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{
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$a = $_;
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# Check whether valid ipv4 or ipv6 address
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if (($_ =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
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if($1 eq $ip){
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my $chain = '';
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my $in = '-'; my $out = '-';
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my $srcaddr = ''; my $dstaddr = '';
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my $protostr = '';
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my $srcport = ''; my $dstport = '';
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# If ipv6 uses bridge, the use PHYSIN, otherwise use IN
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if ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)(PHYSIN=.*)$/) {}
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elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) {}
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my $timestamp = $1; my $chain = $2; my $packet = $3;
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$timestamp =~ /(...) (..) (..:..:..)/;
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my $month = $1; my $day = $2; my $time = $3;
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# If ipv6 uses bridge, the use PHYSIN and PHYSOUT, otherwise use IN and OUT
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if ($a =~ /PHYSIN=(\w+)/) { $iface = $1 } elsif ($a =~ /IN=(\w+)/) { $iface = $1 }
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if ($a =~ /PHYSOUT=(\w+)/) { $out = $1 } elsif ($a =~ /OUT=(\w+)/) { $out = $1 }
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# Detect ipv4 and ipv6 addresses
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if (($a =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $srcaddr = $1; }
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if (($a =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~ /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $dstaddr = $1; }
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if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
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my $protostrlc = lc($protostr);
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if ($a =~ /SPT\=([\d\.]+)/){ $srcport = $1; }
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if ($a =~ /DPT\=([\d\.]+)/){ $dstport = $1; }
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if ($lines % 2) {
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print "<tr bgcolor='${Header::table1colour}'>\n"; }
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else {
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print "<tr bgcolor='${Header::table2colour}'>\n"; }
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print <<END
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<td align='center'>$time</td>
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<td align='center'>$chain</td>
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<td align='center'>$iface</td>
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<td align='center'>$protostr</td>
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<td align='center'>
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<table width='100%' cellpadding='0' cellspacing='0'><tr>
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<td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a></td>
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</tr></table>
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</td>
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<td align='center'>$srcport</td>
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<td align='center'>
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<table width='100%' cellpadding='0' cellspacing='0'><tr>
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<td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
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</tr></table>
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</td>
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<td align='center'>$dstport</td>
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</tr>
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END
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;
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$lines++;
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}
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}
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}
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print <<END
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</table>
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END
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;
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&oldernewer();
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&Header::closebox();
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&Header::closebigbox();
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&Header::closepage();
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sub oldernewer
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{
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print <<END
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<table width='100%'>
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<tr>
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END
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;
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print "<td align='center' width='50%'>";
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if ($prev != -1) {
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print "<a href='/cgi-bin/logs.cgi/showrequestfromip.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'},$cgiparams{ip}'>$Lang::tr{'older'}</a>"; }
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else {
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print "$Lang::tr{'older'}"; }
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print "</td>\n";
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print "<td align='center' width='50%'>";
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if ($next != -1) {
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print "<a href='/cgi-bin/logs.cgi/showrequestfromip.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'},$cgiparams{ip}'>$Lang::tr{'newer'}</a>"; }
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else {
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print "$Lang::tr{'newer'}"; }
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print "</td>\n";
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print <<END
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</tr>
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</table>
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END
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;
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}
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