/usr/share/perl5/EBox/SquidOnlyFirewall.pm is in zentyal-squid 2.3.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | # Copyright (C) 2008-2012 eBox Technologies S.L.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2, as
# published by the Free Software Foundation.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package EBox::SquidOnlyFirewall;
use strict;
use warnings;
use base 'EBox::FirewallHelper';
use EBox::Objects;
use EBox::Global;
use EBox::Config;
use EBox::Firewall;
use EBox::Gettext;
sub new
{
my $class = shift;
my %opts = @_;
my $self = $class->SUPER::new(@_);
bless($self, $class);
return $self;
}
sub _trans_prerouting
{
my ($self) = @_;
my $sq = EBox::Global->modInstance('squid');
my $net = EBox::Global->modInstance('network');
my $sqport = $sq->port();
my @rules = ();
my @ifaces = @{$net->InternalIfaces()};
my $pol = $sq->globalPolicy();
foreach my $ifc (@ifaces) {
my $addrs = $net->ifaceAddresses($ifc);
my $input = $self->_inputIface($ifc);
foreach my $addr (map { $_->{address} } @{$addrs}) {
(defined($addr) && $addr ne "") or next;
my $r = "$input ! -d $addr -p tcp " .
"--dport 80 -j REDIRECT --to-ports $sqport";
push(@rules, $r);
}
}
return \@rules;
}
sub prerouting
{
my ($self) = @_;
my $sq = EBox::Global->modInstance('squid');
if ($sq->transproxy()) {
return $self->_trans_prerouting();
}
return [];
}
sub input
{
my ($self) = @_;
my $sq = EBox::Global->modInstance('squid');
my $net = EBox::Global->modInstance('network');
my $sqport = $sq->port();
my @rules = ();
my @ifaces = @{$net->InternalIfaces()};
my $pol = $sq->globalPolicy();
foreach my $ifc (@ifaces) {
my $input = $self->_inputIface($ifc);
my $r = "-m state --state NEW $input -p tcp --dport $sqport ".
"-j ACCEPT";
push(@rules, $r);
}
return \@rules;
}
sub output
{
my ($self) = @_;
my @rules = ();
push(@rules, "-m state --state NEW -p tcp --dport 80 -j ACCEPT");
push(@rules, "-m state --state NEW -p tcp --dport 443 -j ACCEPT");
return \@rules;
}
1;
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