/usr/share/perl5/EBox/SquidFirewall.pm is in zentyal-squid 2.3.11+quantal1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | # 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::SquidFirewall;
use strict;
use warnings;
use base 'EBox::FirewallHelper';
use EBox::Objects;
use EBox::Global;
use EBox::Config;
use EBox::Firewall;
use EBox::Gettext;
sub prerouting
{
my ($self) = @_;
my $sq = $self->_global()->modInstance('squid');
if ($sq->transproxy()) {
return $self->_trans_prerouting();
} else {
return $self->_normal_prerouting();
}
}
sub _normal_prerouting
{
my ($self) = @_;
my $global = $self->_global();
my $sq = $global->modInstance('squid');
return [] unless ($sq->filterNeeded());
my $net = $global->modInstance('network');
my $sqport = $sq->port();
my $dgport = $sq->DGPORT();
my @rules = ();
my @ifaces = @{$net->InternalIfaces()};
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 $sqport -j REDIRECT --to-ports $dgport";
push (@rules, $r);
}
}
return \@rules;
}
sub _trans_prerouting
{
my ($self) = @_;
my $global = $self->_global();
my $sq = $global->modInstance('squid');
my $net = $global->modInstance('network');
my $sqport = $sq->port();
my $dgport = $sq->DGPORT();
my @rules = ();
my $exceptions = $sq->model('TransparentExceptions');
foreach my $id (@{$exceptions->enabledRows()}) {
my $row = $exceptions->row($id);
my $addr = $row->valueByName('domain');
push (@rules, "-p tcp -d $addr --dport 80 -j ACCEPT");
if ($sq->https()) {
push (@rules, "-p tcp -d $addr --dport 443 -j ACCEPT");
}
}
my @ifaces = @{$net->InternalIfaces()};
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 $port = $sq->filterNeeded() ? $dgport : $sqport;
my $r = "$input ! -d $addr -p tcp --dport 80 -j REDIRECT --to-ports $port";
push (@rules, $r);
# TODO: https? will it work with dansguardian?
}
}
return \@rules;
}
sub input
{
my ($self) = @_;
my $global = $self->_global();
my $sq = $global->modInstance('squid');
my $net = $global->modInstance('network');
my $sqport = $sq->port();
my $dgport = $sq->DGPORT();
my @rules = ();
my @ifaces = @{$net->InternalIfaces()};
foreach my $ifc (@ifaces) {
my $input = $self->_inputIface($ifc);
my $port = $sq->filterNeeded() ? $dgport : $sqport;
my $r = "-m state --state NEW $input -p tcp --dport $port -j ACCEPT";
push(@rules, $r);
}
push(@rules, "-m state --state NEW -p tcp --dport $sqport -j DROP");
return \@rules;
}
sub output
{
my ($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;
}
sub _global
{
my ($self) = @_;
my $ro = $self->{ro};
return EBox::Global->getInstance($ro);
}
1;
|