Files
bpfire/html/cgi-bin/logs.cgi/showrequestfromblocklist.dat
Rob Brewer 3e0cb28fc6 showrequestfromblocklist.dat: Modify regex for added space in
log-prefix.

Signed-off-by: Rob Brewer <rob.brewer@ipfire.org>
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
2022-07-07 17:26:14 +02:00

415 lines
11 KiB
Perl
Executable File

#!/usr/bin/perl
# SmoothWall CGIs
#
# This code is distributed under the terms of the GPL
#
# JC HERITIER
# page inspired from the initial firewalllog.dat
#
# Modified for IPFire by Christian Schmidt (www.ipfire.org)
# enable only the following on debugging purpose
#use warnings;
#use CGI::Carp 'fatalsToBrowser';
require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
use POSIX();
#workaround to suppress a warning when a variable is used only once
my @dummy = ( ${Header::table2colour} );
undef (@dummy);
my %cgiparams=();
my %logsettings=();
my $errormessage = '';
my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
'Sep', 'Oct', 'Nov', 'Dec' );
my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
$Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
$Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
$Lang::tr{'december'} );
my @now = localtime();
my $dow = $now[6];
my $doy = $now[7];
my $tdoy = $now[7];
my $year = $now[5]+1900;
$cgiparams{'DAY'} = $now[3];
$cgiparams{'MONTH'} = $now[4];
$cgiparams{'ACTION'} = '';
&Header::getcgihash(\%cgiparams);
$logsettings{'LOGVIEW_REVERSE'} = 'off';
&General::readhash("${General::swroot}/logging/settings", \%logsettings);
my $start = -1;
my @blocklists;
if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
{
my @temp = split(',',$ENV{'QUERY_STRING'}, 5);
$start = shift @temp;
$cgiparams{'MONTH'} = shift @temp;
$cgiparams{'DAY'} = shift @temp;
$cgiparams{'blocklist'} = shift @temp;
$cgiparams{'blocklists'} = shift @temp;
}
if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
!($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)$/))
{
$cgiparams{'DAY'} = $now[3];
$cgiparams{'MONTH'} = $now[4];
}
elsif($cgiparams{'ACTION'} eq '>>')
{
my @temp_then=();
my @temp_now = localtime(time);
$temp_now[4] = $cgiparams{'MONTH'};
$temp_now[3] = $cgiparams{'DAY'};
@temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
## Retrieve the same time on the next day -
## 86400 seconds in a day
$cgiparams{'MONTH'} = $temp_then[4];
$cgiparams{'DAY'} = $temp_then[3];
}
elsif($cgiparams{'ACTION'} eq '<<')
{
my @temp_then=();
my @temp_now = localtime(time);
$temp_now[4] = $cgiparams{'MONTH'};
$temp_now[3] = $cgiparams{'DAY'};
@temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
## Retrieve the same time on the previous day -
## 86400 seconds in a day
$cgiparams{'MONTH'} = $temp_then[4];
$cgiparams{'DAY'} = $temp_then[3];
}
if (($cgiparams{'DAY'} ne $now[3]) || ($cgiparams{'MONTH'} ne $now[4]))
{
my @then = ();
if ( ( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
( $cgiparams{'MONTH'} > $now[4] ) ) {
@then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 ));
} else {
@then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 ));
}
$tdoy = $then[7];
my $lastleap=($year-1)%4;
if ($tdoy>$doy) {
if ($lastleap == 0 && $tdoy < 60) {
$doy=$tdoy+366;
} else {
$doy=$doy+365;
}
}
}
if ($cgiparams{'blocklists'})
{
@blocklists = split ',', $cgiparams{'blocklists'};
}
my $datediff=0;
my $dowd=0;
my $multifile=0;
if ($tdoy ne $doy) {
$datediff=int(($doy-$tdoy)/7);
$dowd=($doy-$tdoy)%7;
if (($dow-$dowd)<1) {
$datediff=$datediff+1;
}
if (($dow-$dowd)==0) {
$multifile=1;
}
}
my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
my $longmonthstr = $longmonths[$cgiparams{'MONTH'}];
my $day = $cgiparams{'DAY'};
my $daystr='';
if ($day <= 9) {
$daystr = " $day"; }
else {
$daystr = $day;
}
my $skip=0;
my $filestr='';
if ($datediff==0) {
$filestr="/var/log/messages";
} else {
$filestr="/var/log/messages.$datediff";
$filestr = "$filestr.gz" if -f "$filestr.gz";
}
if (!(open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
$errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
$skip=1;
# Note: This is in case the log does not exist for that date
}
my $lines = 0;
my @log=();
my $blaoklist = $cgiparams{blocklist};
if (!$skip)
{
while (<FILE>) {
if (/^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*BLKLST_(\w+)\s?IN=.*/) {
if($1 eq $blacklist){
$log[$lines] = $_;
$lines++;
}
}
}
close (FILE);
}
$skip=0;
if ($multifile) {
$datediff=$datediff-1;
if ($datediff==0) {
$filestr="/var/log/messages";
} else {
$filestr="/var/log/messages.$datediff";
$filestr = "$filestr.gz" if -f "$filestr.gz";
}
if (!(open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
$errormessage="$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
$skip=1;
}
if (!$skip) {
while (<FILE>) {
if (/^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*BLKLST_(\w+)\s?IN=.*/) {
if($1 eq $blacklist){
$log[$lines] = $_;
$lines++;
}
}
}
close (FILE);
}
}
&Header::showhttpheaders();
&Header::openpage($Lang::tr{'ipblocklist log list'}, 1, '');
&Header::openbigbox('100%', 'left', '', $errormessage);
if ($errormessage) {
&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
print "<font class='base'>$errormessage&nbsp;</font>\n";
&Header::closebox();
}
&Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<input type='hidden' name='blocklists' value='$cgiparams{blocklists}'>
<table width='100%'>
<tr>
<td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
<td width='10%'>
<select name='MONTH'>
END
;
my $month;
for ($month = 0; $month < 12; $month++)
{
print "\t<option ";
if ($month == $cgiparams{'MONTH'}) {
print "selected='selected' "; }
print "value='$month'>$longmonths[$month]</option>\n";
}
print <<END
</select>
</td>
<td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
<td width='40%'>
<select name='DAY'>
END
;
for ($day = 1; $day <= 31; $day++)
{
print "\t<option ";
if ($day == $cgiparams{'DAY'}) {
print "selected='selected' "; }
print "value='$day'>$day</option>\n";
}
print <<END
</select>
</td>
<td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
<td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
<td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
<tr><td width='15%'>$Lang::tr{'ipblocklist id'}</td><td><select name='blocklist'>
END
;
foreach my $option (@blocklists)
{
my $selected = $option eq $cgiparams{blocklist} ? ' selected' : '';
print "<option value='$option'$selected>$option</option>";
}
print <<END
</select></td></tr>
</tr>
</table>
</form>
END
;
&Header::closebox();
&Header::openbox('100%', 'left', $Lang::tr{'ipblocklist log list'});
print "<p><b>$Lang::tr{'firewall hits'} $longmonthstr $daystr: $lines</b></p>";
if ($start == -1) {
$start = $lines - ${Header::viewsize};
}
if ($start >= $lines - ${Header::viewsize}) { $start = $lines - ${Header::viewsize}; };
if ($start < 0) { $start = 0; }
my $prev = $start - ${Header::viewsize};
my $next = $start + ${Header::viewsize};
if ($prev < 0) { $prev = 0; }
if ($next >= $lines) { $next = -1 }
if ($start == 0) { $prev = -1; }
if ($lines != 0) { &oldernewer(); }
print <<END
<table width='100%'>
<tr>
<td width='12%' align='center' class='boldbase'><b>$Lang::tr{'time'}</b></td>
<td width='6%' align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></td>
<td width='6%' align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></td>
<td width='18%' align='center' class='boldbase'><b>$Lang::tr{'source'}</b></td>
<td width='15%' align='center' class='boldbase'><b>$Lang::tr{'src port'}</b></td>
<td width='18%' align='center' class='boldbase'><b>$Lang::tr{'destination'}</b></td>
<td width='15%' align='center' class='boldbase'><b>$Lang::tr{'dst port'}</b></td>
</tr>
END
;
my @slice = splice(@log, $start, ${Header::viewsize});
if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @slice = reverse @slice; }
$lines = 0;
foreach $_ (@slice) {
$a = $_;
# Check whether valid ipv4 or ipv6 address
if (($_ =~ /BLKLST_(\w+)\s?IN=/)) {
if($1 eq $blacklist) {
my $in = '-'; my $out = '-';
my $srcaddr = ''; my $dstaddr = '';
my $protostr = '';
my $srcport = ''; my $dstport = '';
# If ipv6 uses bridge, the use PHYSIN, otherwise use IN
if ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:.*(IN=.*)(PHYSIN=.*)$/) {}
elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:.*(IN=.*)$/) {}
my $timestamp = $1; my $packet = $2;
$timestamp =~ /(...) (..) (..:..:..)/;
my $month = $1; my $day = $2; my $time = $3;
# If ipv6 uses bridge, the use PHYSIN and PHYSOUT, otherwise use IN and OUT
if ($a =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif ($a =~ /IN=(\w+)/) { $iface = $1; }
if ($a =~ /PHYSOUT=(\w+)/) { $out = $1; } elsif ($a =~ /OUT=(\w+)/) { $out = $1; }
# Detect ipv4 and ipv6 addresses
if (($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 = $1; }
if (($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 = $1; }
if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
my $protostrlc = lc($protostr);
if ($a =~ /SPT\=([\d\.]+)/){ $srcport = $1; }
if ($a =~ /DPT\=([\d\.]+)/){ $dstport = $1; }
if ($lines % 2) {
print "<tr bgcolor='${Header::table1colour}'>\n";
}
else {
print "<tr bgcolor='${Header::table2colour}'>\n";
}
print <<END
<td align='center'>$time</td>
<td align='center'>$iface</td>
<td align='center'>$protostr</td>
<td align='center'>
<table width='100%' cellpadding='0' cellspacing='0'><tr>
<td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a></td>
</tr></table>
</td>
<td align='center'>$srcport</td>
<td align='center'>
<table width='100%' cellpadding='0' cellspacing='0'><tr>
<td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
</tr></table>
</td>
<td align='center'>$dstport</td>
</tr>
END
;
$lines++;
}
}
}
print <<END
</table>
END
;
&oldernewer();
print"<table width='100%'><tr><td align='center'><a href='/cgi-bin/logs.cgi/ipblocklists.dat'><img src='/images/back.png' alt='$Lang::tr{'back'}' title='$Lang::tr{'back'}' /></a></td></tr></table>";
&Header::closebox();
&Header::closebigbox();
&Header::closepage();
sub oldernewer
{
print <<END
<table width='100%'>
<tr>
END
;
my $blocklists = join ',', @blocklists;
print "<td align='center' width='50%'>";
if ($prev != -1) {
print "<a href='/cgi-bin/logs.cgi/showrequestfromblocklist.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'},$cgiparams{blocklist},$blocklists'>$Lang::tr{'older'}</a>";
}
else {
print "$Lang::tr{'older'}";
}
print "</td>\n";
print "<td align='center' width='50%'>";
if ($next != -1) {
print "<a href='/cgi-bin/logs.cgi/showrequestfromblocklist.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'},$cgiparams{blocklist},$blocklists'>$Lang::tr{'newer'}</a>";
}
else {
print "$Lang::tr{'newer'}";
}
print "</td>\n";
print <<END
</tr>
</table>
END
;
}