centreon-plugins/apps/protocols/x509/mode/validity.pm

241 lines
9.3 KiB
Perl

###############################################################################
# Copyright 2005-2015 CENTREON
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
#
# 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 2 of the License.
#
# 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>.
#
# Linking this program statically or dynamically with other modules is making a
# combined work based on this program. Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this program give MERETHIS
# permission to link this program with independent modules to produce an timeelapsedutable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting timeelapsedutable under terms of MERETHIS choice, provided that
# MERETHIS also meet, for each linked independent module, the terms and conditions
# of the license of that module. An independent module is a module which is not
# derived from this program. If you modify this program, you may extend this
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
#
# For more information : contact@centreon.com
# Author : Mathieu Cinquin <mcinquin@centreon.com>
#
####################################################################################
package apps::protocols::x509::mode::validity;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use IO::Socket::SSL;
use Net::SSLeay;
use Date::Manip;
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.3';
$options{options}->add_options(arguments =>
{
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port' },
"validity-mode:s" => { name => 'validity_mode' },
"warning-date:s" => { name => 'warning' },
"critical-date:s" => { name => 'critical' },
"subjectname:s" => { name => 'subjectname' },
"issuername:s" => { name => 'issuername' },
"timeout:s" => { name => 'timeout', default => '3' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
$self->{output}->option_exit();
}
if (!defined($self->{option_results}->{hostname})) {
$self->{output}->add_option_msg(short_msg => "Please set the hostname option");
$self->{output}->option_exit();
}
if (!defined($self->{option_results}->{port})) {
$self->{output}->add_option_msg(short_msg => "Please set the port option");
$self->{output}->option_exit();
}
if (!defined($self->{option_results}->{validity_mode})) {
$self->{output}->add_option_msg(short_msg => "Please set the validity-mode option");
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
#Global variables
my ($connection, $ctx, $ssl, $cert);
#Create Socket connection
$connection = IO::Socket::INET->new(PeerAddr => $self->{option_results}->{hostname},
PeerPort => $self->{option_results}->{port},
Timeout => $self->{option_results}->{timeout},
);
if (!defined($connection)) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("%s", $!));
$self->{output}->display();
$self->{output}->exit();
} else {
#Create SSL context
eval { $ctx = Net::SSLeay::CTX_new() };
if ($@) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf ("%s", $!));
$self->{output}->display();
$self->{output}->exit()
};
#Create SSL connection
Net::SSLeay::CTX_set_options($ctx, &Net::SSLeay::OP_ALL);
eval { $ssl = Net::SSLeay::new($ctx) };
if ($@) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("%s", $!));
$self->{output}->display();
$self->{output}->exit()
};
eval { Net::SSLeay::set_fd($ssl, fileno($connection)) };
if ($@) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("%s", $!));
$self->{output}->display();
$self->{output}->exit()
};
eval { Net::SSLeay::connect($ssl) };
if ($@) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("%s", $!));
$self->{output}->display();
$self->{output}->exit()
};
#Retrieve Certificat
$cert = Net::SSLeay::get_peer_certificate($ssl);
#Expiration Date
if ($self->{option_results}->{validity_mode} eq 'expiration') {
(my $notafterdate = Net::SSLeay::P_ASN1_UTCTIME_put2string(Net::SSLeay::X509_get_notAfter($cert))) =~ s/ GMT//;
my $daysbefore = int((&UnixDate(&ParseDate($notafterdate),"%s") - time) / 86400);
my $exit = $self->{perfdata}->threshold_check(value => $daysbefore,
threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Certificate expiration days: %s - Validity Date: %s", $daysbefore, $notafterdate));
$self->{output}->display();
$self->{output}->exit()
#Subject Name
} elsif ($self->{option_results}->{validity_mode} eq 'subject') {
my $subject_name = Net::SSLeay::X509_NAME_oneline(Net::SSLeay::X509_get_subject_name($cert));
if ( $subject_name =~ /$self->{option_results}->{subjectname}/mi ) {
$self->{output}->output_add(severity => 'OK',
short_msg => sprintf("Subject Name %s is present in Certificate :%s", $self->{option_results}->{subjectname}, $subject_name));
} else {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("Subject Name %s is not present in Certificate : %s", $self->{option_results}->{subjectname}, $subject_name));
}
$self->{output}->display();
$self->{output}->exit()
#Issuer Name
} elsif ($self->{option_results}->{validity_mode} eq 'issuer') {
my $issuer_name = Net::SSLeay::X509_NAME_oneline(Net::SSLeay::X509_get_issuer_name($cert));
if ( $issuer_name =~ /$self->{option_results}->{issuername}/mi ) {
$self->{output}->output_add(severity => 'OK',
short_msg => sprintf("Issuer Name %s is present in Certificate :%s", $self->{option_results}->{issuername}, $issuer_name));
} else {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("Issuer Name %s is not present in Certificate : %s", $self->{option_results}->{issuername}, $issuer_name));
}
$self->{output}->display();
$self->{output}->exit()
} else {
$self->{output}->add_option_msg(short_msg => "Wrong option. Cannot find validity-mode '" . $self->{option_results}->{validity_mode} . "'.");
$self->{output}->option_exit();
}
}
}
1;
__END__
=head1 MODE
Check X509's certificate validity
=over 8
=item B<--hostname>
IP Addr/FQDN of the host
=item B<--port>
Port used by Server (Default: '443')
=item B<--validity-mode>
Validity mode.
Can be : 'expiration' or 'subject' or 'issuer'
=item B<--warning-date>
Threshold warning in days (Days before expiration, eg: '60:' for 60 days before)
=item B<--critical-date>
Threshold critical in days (Days before expiration, eg: '30:' for 30 days before)
=item B<--subject>
Subject Name pattern
=item B<--issuer>
Issuer Name pattern
=back
=cut