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

197 lines
7.3 KiB
Perl

#
# Copyright 2016 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
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} = '1.4';
$options{options}->add_options(arguments =>
{
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port' },
"servername:s" => { name => 'servername' },
"validity-mode:s" => { name => 'validity_mode' },
"warning-date:s" => { name => 'warning' },
"critical-date:s" => { name => 'critical' },
"subjectname:s" => { name => 'subjectname', default => '' },
"issuername:s" => { name => 'issuername', default => '' },
"timeout:s" => { name => 'timeout', default => 5 },
});
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}) || $self->{option_results}->{validity_mode} !~ /^expiration|subject|issuer$/) {
$self->{output}->add_option_msg(short_msg => "Please set the validity-mode option (issuer, subject or expiration)");
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
# Global variables
my $client = IO::Socket::SSL->new(
PeerHost => $self->{option_results}->{hostname},
PeerPort => $self->{option_results}->{port},
$self->{option_results}->{servername} ? ( SSL_hostname => $self->{option_results}->{servername} ):(),
);
if (!defined($client)) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => "failed to accept or ssl handshake: $!,$SSL_ERROR");
$self->{output}->display();
$self->{output}->exit()
}
#Retrieve Certificat
my $cert;
eval { $cert = $client->peer_certificate() };
if ($@) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("%s", $@));
$self->{output}->display();
$self->{output}->exit()
}
#Expiration Date
if ($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, $notafterdate));
#Subject Name
} elsif ($self->{option_results}->{validity_mode} eq 'subject') {
my @subject_matched = ();
my @subject_name = Net::SSLeay::X509_get_subjectAltNames($cert);
foreach my $subject_name (@subject_name) {
if ($subject_name =~ /$self->{option_results}->{subjectname}/mi) {
push @subject_matched, $subject_name;
} else {
if ($subject_name =~ /[\w\-]+(\.[\w\-]+)*\.\w+/) {
$self->{output}->output_add(long_msg => sprintf("Subject Name '%s' is also present in Certificate", $subject_name), debug => 1);
}
}
}
if (@subject_matched == 0) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => sprintf("No Subject Name matched '%s' in Certificate", $self->{option_results}->{subjectname}));
} else {
$self->{output}->output_add(severity => 'OK',
short_msg => sprintf("Subject Name [%s] is present in Certificate", join(', ', @subject_matched)));
}
#Issuer Name
} elsif ($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();
}
1;
__END__
=head1 MODE
Check X509's certificate validity (for SMTPS, POPS, IMAPS, HTTPS)
=over 8
=item B<--hostname>
IP Addr/FQDN of the host
=item B<--servername>
Servername of the host for SNI support (only with IO::Socket::SSL >= 1.56) (eg: foo.bar.com)
=item B<--port>
Port used by Server
=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<--subjectname>
Subject Name pattern (support alternative subject name)
=item B<--issuername>
Issuer Name pattern
=back
=cut