mirror of
https://github.com/vincentmli/bpfire.git
synced 2026-04-09 18:45:54 +02:00
547 lines
16 KiB
Perl
Executable File
547 lines
16 KiB
Perl
Executable File
#!/usr/bin/perl
|
|
###############################################################################
|
|
# #
|
|
# IPFire.org - A linux based firewall #
|
|
# Copyright (C) 2007-2020 IPFire Team <info@ipfire.org> #
|
|
# Copyright (C) 2024 BPFire <vincent.mc.li@gmail.com> #
|
|
# #
|
|
# This program is free software: you can redistribute it and/or modify #
|
|
# it under the terms of the GNU General Public License as published by #
|
|
# the Free Software Foundation, either version 3 of the License, or #
|
|
# (at your option) any later version. #
|
|
# #
|
|
# This program is distributed in the hope that it will be useful, #
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
|
|
# GNU General Public License for more details. #
|
|
# #
|
|
# You should have received a copy of the GNU General Public License #
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
|
|
# #
|
|
###############################################################################
|
|
|
|
use strict;
|
|
|
|
# enable only the following on debugging purpose
|
|
#use warnings;
|
|
#use CGI::Carp 'fatalsToBrowser';
|
|
|
|
use IO::Socket;
|
|
|
|
require '/var/ipfire/general-functions.pl';
|
|
require "${General::swroot}/location-functions.pl";
|
|
require "${General::swroot}/lang.pl";
|
|
require "${General::swroot}/header.pl";
|
|
|
|
my %color = ();
|
|
my %mainsettings = ();
|
|
my %ddossettings=();
|
|
my %udpddossettings=();
|
|
my %dnsddossettings=();
|
|
my %checked=();
|
|
my $errormessage='';
|
|
my $counter = 0;
|
|
my %tcp_ports=();
|
|
my %udp_ports=();
|
|
my $tcp_portfile = "${General::swroot}/ddos/tcp_ports";
|
|
my $udp_portfile = "${General::swroot}/ddos/udp_ports";
|
|
my $ddossettingfile = "${General::swroot}/ddos/settings";
|
|
my $udpddossettingfile = "${General::swroot}/ddos/udp-ddos-settings";
|
|
my $dnsddossettingfile = "${General::swroot}/ddos/dns-ddos-settings";
|
|
|
|
&get_tcp_ports();
|
|
&get_udp_ports();
|
|
|
|
# Read configuration file.
|
|
|
|
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
|
|
&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
|
|
|
|
&Header::showhttpheaders();
|
|
|
|
$ddossettings{'ENABLE_DDOS'} = 'off';
|
|
$udpddossettings{'ENABLE_UDP_DDOS'} = 'off';
|
|
$dnsddossettings{'ENABLE_DNS_DDOS'} = 'off';
|
|
$ddossettings{'ACTION'} = '';
|
|
$udpddossettings{'UDP_ACTION'} = '';
|
|
$udpddossettings{'DNS_ACTION'} = '';
|
|
|
|
&Header::getcgihash(\%ddossettings);
|
|
|
|
if ($ddossettings{'ACTION'} eq $Lang::tr{'save'})
|
|
{
|
|
|
|
# Loop through our locations array to prevent from
|
|
# non existing countries or code.
|
|
foreach my $p (values %tcp_ports) {
|
|
# Check if blocking for this country should be enabled/disabled.
|
|
if (exists $ddossettings{$p}) {
|
|
$ddossettings{$p} = "on";
|
|
} else {
|
|
$ddossettings{$p} = "off";
|
|
}
|
|
}
|
|
|
|
&General::writehash("$ddossettingfile", \%ddossettings);
|
|
|
|
if ($ddossettings{'ENABLE_DDOS'} eq 'on') {
|
|
&General::log($Lang::tr{'ddos is enabled'});
|
|
&General::system('/usr/bin/touch', "${General::swroot}/ddos/enableddos");
|
|
&General::system('/usr/local/bin/ddosctrl', 'start');
|
|
} else {
|
|
&General::log($Lang::tr{'ddos is disabled'});
|
|
&General::system('/usr/local/bin/ddosctrl', 'stop');
|
|
unlink "${General::swroot}/ddos/enableddos";
|
|
}
|
|
|
|
}
|
|
|
|
&Header::getcgihash(\%udpddossettings);
|
|
|
|
if ($udpddossettings{'UDP_ACTION'} eq $Lang::tr{'save'})
|
|
{
|
|
|
|
# Loop through our locations array to prevent from
|
|
# non existing countries or code.
|
|
foreach my $p (values %udp_ports) {
|
|
# Check if blocking for this country should be enabled/disabled.
|
|
if (exists $udpddossettings{$p}) {
|
|
$udpddossettings{$p} = "on";
|
|
} else {
|
|
$udpddossettings{$p} = "off";
|
|
}
|
|
}
|
|
|
|
&General::writehash("$udpddossettingfile", \%udpddossettings);
|
|
|
|
if ($udpddossettings{'ENABLE_UDP_DDOS'} eq 'on') {
|
|
&General::log($Lang::tr{'ddos is enabled'});
|
|
&General::system('/usr/bin/touch', "${General::swroot}/ddos/enableddos");
|
|
&General::system('/usr/local/bin/ddosctrl', 'start');
|
|
} else {
|
|
&General::log($Lang::tr{'ddos is disabled'});
|
|
&General::system('/usr/local/bin/ddosctrl', 'stop');
|
|
unlink "${General::swroot}/ddos/enableddos";
|
|
}
|
|
|
|
}
|
|
|
|
&Header::getcgihash(\%dnsddossettings);
|
|
|
|
if ($udpddossettings{'DNS_ACTION'} eq $Lang::tr{'save'})
|
|
{
|
|
|
|
&General::writehash("$dnsddossettingfile", \%dnsddossettings);
|
|
|
|
if ($dnsddossettings{'ENABLE_DNS_DDOS'} eq 'on') {
|
|
&General::log($Lang::tr{'ddos is enabled'});
|
|
&General::system('/usr/bin/touch', "${General::swroot}/ddos/enableddos");
|
|
&General::system('/usr/local/bin/ddosctrl', 'start');
|
|
} else {
|
|
&General::log($Lang::tr{'ddos is disabled'});
|
|
&General::system('/usr/local/bin/ddosctrl', 'stop');
|
|
unlink "${General::swroot}/ddos/enableddos";
|
|
}
|
|
|
|
}
|
|
|
|
&Header::openpage($Lang::tr{'ebpf xdp ddos'}, 1, '');
|
|
|
|
&Header::openbigbox('100%', 'left', '', $errormessage);
|
|
|
|
if ($errormessage) {
|
|
&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
|
|
print "<font class='base' color=red>$errormessage </font>\n";
|
|
&Header::closebox();
|
|
}
|
|
|
|
# Read configuration file.
|
|
&General::readhash("$ddossettingfile", \%ddossettings);
|
|
|
|
# Checkbox pre-selection.
|
|
my $checked;
|
|
if ($ddossettings{'ENABLE_DDOS'} eq "on") {
|
|
$checked = "checked='checked'";
|
|
}
|
|
|
|
# Print box to enable/disable locationblock.
|
|
print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
|
|
|
|
&Header::openbox('100%', 'center', $Lang::tr{'xdp tcp'});
|
|
print <<END;
|
|
<table width='95%'>
|
|
<tr>
|
|
<td width='50%' class='base'>$Lang::tr{'xdp enable'}
|
|
<td><input type='checkbox' name='ENABLE_DDOS' $checked></td>
|
|
<td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}'></td>
|
|
</tr>
|
|
</table>
|
|
|
|
END
|
|
|
|
&Header::closebox();
|
|
|
|
&Header::openbox('100%', 'center', $Lang::tr{'xdp tcp port'});
|
|
print <<END;
|
|
|
|
<table width='95%' class='tbl' id="countries">
|
|
<tr>
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'></td>
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'port'}</b>
|
|
</td>
|
|
<td with='35%' align='left' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'service'}</b>
|
|
</td>
|
|
|
|
<td width='5%' bgcolor='$color{'color20'}'> </td>
|
|
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'></td>
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'port'}</b>
|
|
</td>
|
|
<td with='35%' align='left' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'service'}</b>
|
|
</td>
|
|
|
|
</tr>
|
|
END
|
|
|
|
my $lines;
|
|
my $lines2;
|
|
my $col;
|
|
|
|
|
|
# Sort output based on hash value port number
|
|
for my $service ( sort { $tcp_ports{$a} cmp $tcp_ports{$b} }
|
|
keys %tcp_ports )
|
|
{
|
|
my $port = $tcp_ports{$service};
|
|
|
|
# Checkbox pre-selection.
|
|
my $checked;
|
|
if ($ddossettings{$port} eq "on") {
|
|
$checked = "checked='checked'";
|
|
}
|
|
|
|
# Colour lines.
|
|
if ($lines % 2) {
|
|
$col="bgcolor='$color{'color20'}'";
|
|
} else {
|
|
$col="bgcolor='$color{'color22'}'";
|
|
}
|
|
|
|
# Grouping elements.
|
|
my $line_start;
|
|
my $line_end;
|
|
if ($lines2 % 2) {
|
|
# Increase lines (background color by once.
|
|
$lines++;
|
|
|
|
# Add empty column in front.
|
|
$line_start="<td $col> </td>";
|
|
|
|
# When the line number can be diveded by "2",
|
|
# we are going to close the line.
|
|
$line_end="</tr>";
|
|
} else {
|
|
# When the line number is not divideable by "2",
|
|
# we are starting a new line.
|
|
$line_start="<tr>";
|
|
$line_end;
|
|
}
|
|
|
|
print "$line_start<td align='center' $col><input type='checkbox' name='$port' $checked></td>\n";
|
|
print "<td align='center' $col>$port</td>\n";
|
|
print "<td align='left' $col>$service</td>$line_end\n";
|
|
|
|
$lines2++;
|
|
}
|
|
|
|
print <<END;
|
|
</table>
|
|
|
|
END
|
|
|
|
&Header::closebox();
|
|
|
|
print "</form>\n";
|
|
#
|
|
# Read configuration file.
|
|
&General::readhash("$dnsddossettingfile", \%dnsddossettings);
|
|
|
|
# Checkbox pre-selection.
|
|
my $dns_checked;
|
|
if ($dnsddossettings{'ENABLE_DNS_DDOS'} eq "on") {
|
|
$dns_checked = "checked='checked'";
|
|
}
|
|
|
|
# Print box to enable/disable locationblock.
|
|
print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
|
|
|
|
&Header::openbox('100%', 'center', $Lang::tr{'xdp dns'});
|
|
print <<END;
|
|
<table width='95%'>
|
|
<tr>
|
|
<td width='50%' class='base'>$Lang::tr{'xdp enable'}
|
|
<td><input type='checkbox' name='ENABLE_DNS_DDOS' $dns_checked></td>
|
|
<td align='center'><input type='submit' name='DNS_ACTION' value='$Lang::tr{'save'}'></td>
|
|
</tr>
|
|
<tr>
|
|
<td width='50%' class='base'>$Lang::tr{'xdp dns ratelimit'}
|
|
<td><input type='text' name='DNS_RATELIMIT' value='$dnsddossettings{'DNS_RATELIMIT'}'</td>
|
|
</tr>
|
|
|
|
</table>
|
|
|
|
END
|
|
|
|
&Header::closebox();
|
|
|
|
print "</form>\n";
|
|
|
|
# Read configuration file.
|
|
&General::readhash("$udpddossettingfile", \%udpddossettings);
|
|
|
|
# Checkbox pre-selection.
|
|
my $udp_checked;
|
|
if ($udpddossettings{'ENABLE_UDP_DDOS'} eq "on") {
|
|
$udp_checked = "checked='checked'";
|
|
}
|
|
|
|
# Print box to enable/disable locationblock.
|
|
print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
|
|
|
|
&Header::openbox('100%', 'center', $Lang::tr{'xdp udp'});
|
|
print <<END;
|
|
<table width='95%'>
|
|
<tr>
|
|
<td width='50%' class='base'>$Lang::tr{'xdp enable'}
|
|
<td><input type='checkbox' name='ENABLE_UDP_DDOS' $udp_checked></td>
|
|
<td align='center'><input type='submit' name='UDP_ACTION' value='$Lang::tr{'save'}'></td>
|
|
</tr>
|
|
<tr>
|
|
<td width='50%' class='base'>$Lang::tr{'xdp udp ratelimit'}
|
|
<td><input type='text' name='UDP_RATELIMIT' value='$udpddossettings{'UDP_RATELIMIT'}'</td>
|
|
</tr>
|
|
</table>
|
|
|
|
END
|
|
|
|
&Header::closebox();
|
|
|
|
&Header::openbox('100%', 'center', $Lang::tr{'xdp udp port'});
|
|
print <<END;
|
|
|
|
<table width='95%' class='tbl' id="countries">
|
|
<tr>
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'></td>
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'port'}</b>
|
|
</td>
|
|
<td with='35%' align='left' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'service'}</b>
|
|
</td>
|
|
|
|
<td width='5%' bgcolor='$color{'color20'}'> </td>
|
|
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'></td>
|
|
<td width='5%' align='center' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'port'}</b>
|
|
</td>
|
|
<td with='35%' align='left' bgcolor='$color{'color20'}'>
|
|
<b>$Lang::tr{'service'}</b>
|
|
</td>
|
|
|
|
</tr>
|
|
END
|
|
|
|
my $udp_lines;
|
|
my $udp_lines2;
|
|
my $udp_col;
|
|
|
|
# Sort output based on hash value port number
|
|
for my $service ( sort { $udp_ports{$a} cmp $udp_ports{$b} }
|
|
keys %udp_ports )
|
|
{
|
|
my $port = $udp_ports{$service};
|
|
|
|
# Checkbox pre-selection.
|
|
my $checked;
|
|
if ($udpddossettings{$port} eq "on") {
|
|
$checked = "checked='checked'";
|
|
}
|
|
|
|
# Colour lines.
|
|
if ($udp_lines % 2) {
|
|
$col="bgcolor='$color{'color20'}'";
|
|
} else {
|
|
$col="bgcolor='$color{'color22'}'";
|
|
}
|
|
|
|
# Grouping elements.
|
|
my $line_start;
|
|
my $line_end;
|
|
if ($udp_lines2 % 2) {
|
|
# Increase lines (background color by once.
|
|
$lines++;
|
|
|
|
# Add empty column in front.
|
|
$line_start="<td $udp_col> </td>";
|
|
|
|
# When the line number can be diveded by "2",
|
|
# we are going to close the line.
|
|
$line_end="</tr>";
|
|
} else {
|
|
# When the line number is not divideable by "2",
|
|
# we are starting a new line.
|
|
$line_start="<tr>";
|
|
$line_end;
|
|
}
|
|
|
|
print "$line_start<td align='center' $udp_col><input type='checkbox' name='$port' $checked></td>\n";
|
|
print "<td align='center' $udp_col>$port</td>\n";
|
|
print "<td align='left' $udp_col>$service</td>$line_end\n";
|
|
|
|
$udp_lines2++;
|
|
}
|
|
print <<END;
|
|
</table>
|
|
|
|
END
|
|
|
|
&Header::closebox();
|
|
|
|
print "</form>\n";
|
|
|
|
&Header::openbox('100%', 'center', $Lang::tr{'xdp status'});
|
|
|
|
print <<END;
|
|
<table class="tbl" width="100%">
|
|
<thead>
|
|
<tr>
|
|
<th align="center">
|
|
<strong>$Lang::tr{'xdp interface'}</strong>
|
|
</th>
|
|
<th align="center">
|
|
<strong>$Lang::tr{'xdp prio'}</strong>
|
|
</th>
|
|
<th align="center">
|
|
<strong>$Lang::tr{'xdp program'}</strong>
|
|
</th>
|
|
<th align="center">
|
|
<strong>$Lang::tr{'xdp mode'}</strong>
|
|
</th>
|
|
<th align="center">
|
|
<strong>$Lang::tr{'xdp id'}</strong>
|
|
</th>
|
|
<th align="center">
|
|
<strong>$Lang::tr{'xdp tag'}</strong>
|
|
</th>
|
|
<th align="center">
|
|
<strong>$Lang::tr{'xdp action'}</strong>
|
|
</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
END
|
|
|
|
&printxdp();
|
|
|
|
print "</tbody>\n</table>\n";
|
|
|
|
&Header::closebox();
|
|
|
|
&Header::closebigbox();
|
|
|
|
&Header::closepage();
|
|
|
|
sub get_tcp_ports()
|
|
{
|
|
my $fh;
|
|
open($fh, '<', $tcp_portfile) or die "Unable to open file: $!";
|
|
while (my $line = <$fh>) {
|
|
chomp $line;
|
|
next if $line =~ /^\s*#/; # Skip comments
|
|
my ($service, $port) = $line =~ /^(\w+)\s+(\d+)\/tcp/;
|
|
if ($service && $port) {
|
|
$tcp_ports{$service} = $port;
|
|
}
|
|
}
|
|
close($fh);
|
|
}
|
|
|
|
sub get_udp_ports()
|
|
{
|
|
my $fh;
|
|
open($fh, '<', $udp_portfile) or die "Unable to open file: $!";
|
|
while (my $line = <$fh>) {
|
|
chomp $line;
|
|
next if $line =~ /^\s*#/; # Skip comments
|
|
my ($service, $port) = $line =~ /^(\w+)\s+(\d+)\/udp/;
|
|
if ($service && $port) {
|
|
$udp_ports{$service} = $port;
|
|
}
|
|
}
|
|
close($fh);
|
|
}
|
|
|
|
sub printxdp()
|
|
{
|
|
# print active SSH logins (grep outpout of "who -s")
|
|
my @output = &General::system_output("/usr/local/bin/ddosctrl", "status");
|
|
chomp(@output);
|
|
|
|
# list active logins...
|
|
foreach my $line (@output)
|
|
{
|
|
my $interface;
|
|
my $prio;
|
|
my $prog;
|
|
my $mode;
|
|
my $id;
|
|
my $tag;
|
|
my $action;
|
|
#comment next below when having issue
|
|
#next if $line !~ /^red0/;
|
|
#next if $line !~ /^\s=>/;
|
|
next if $line =~ /No XDP program loaded!/;
|
|
if ($line =~ /^red0/) {
|
|
my @arry = split(/\s+/, $line);
|
|
$interface = $arry[0];
|
|
$prio = "N/A";
|
|
$prog = $arry[1];
|
|
$mode = $arry[2];
|
|
$id = $arry[3];
|
|
$tag = $arry[4];
|
|
$action = "N/A";
|
|
} elsif ($line =~ /^\s=>/) {
|
|
my @arry = split(/\s+/, $line);
|
|
$interface = "red0";
|
|
$prio = $arry[2];
|
|
$prog = $arry[3];
|
|
$mode = "N/A";
|
|
$id = $arry[4];
|
|
$tag = $arry[5];
|
|
$action = $arry[6];
|
|
}
|
|
if ($line =~ /^red0/ or $line =~ /^\s=>/) {
|
|
my $table_colour = ($id % 2) ? $color{'color20'} : $color{'color22'};
|
|
|
|
print <<END;
|
|
<tr bgcolor='$table_colour'>
|
|
<td>$interface</td>
|
|
<td>$prio</td>
|
|
<td>$prog</td>
|
|
<td>$mode</td>
|
|
<td>$id</td>
|
|
<td>$tag</td>
|
|
<td>$action</td>
|
|
</tr>
|
|
END
|
|
;
|
|
}
|
|
|
|
}
|
|
}
|