/usr/share/perl5/EBox/NetworkUtil.pm is in zentyal-network 2.3.13+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 | # 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::NetworkUtil;
use strict;
use warnings;
use EBox::Network;
BEGIN {
use Exporter ();
our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
@ISA = qw(Exporter);
@EXPORT = qw();
%EXPORT_TAGS = (all => [qw{ gwReachable } ]);
@EXPORT_OK = qw();
Exporter::export_ok_tags('all');
$VERSION = EBox::Config::version;
}
sub gwReachable # (network, address, exception?)
{
my ($network, $gw, $exception) = @_;
my $cidr_gw = "$gw/32";
foreach (@{$network->allIfaces()}) {
my $host = $network->ifaceAddress($_);
my $mask = $network->ifaceNetmask($_);
my $meth = $network->ifaceMethod($_);
checkIPNetmask($gw, $mask) or next;
($meth eq 'static') or next;
(defined($host) and defined($mask)) or next;
if (isIPInNetwork($host,$mask,$cidr_gw)) {
return 1;
}
}
if ($exception) {
throw EBox::Exceptions::External(
__x("Gateway {gw} not reachable", gw => $gw));
} else {
return undef;
}
}
1;
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