centreon-plugins/apps/protocols/x509/custom/https.pm

234 lines
7.1 KiB
Perl

#
# Copyright 2021 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::custom::https;
use strict;
use warnings;
use centreon::plugins::http;
use Net::SSLeay 1.42;
use DateTime;
use Socket;
sub new {
my ($class, %options) = @_;
my $self = {};
bless $self, $class;
if (!defined($options{output})) {
print "Class Custom: Need to specify 'output' argument.\n";
exit 3;
}
if (!defined($options{options})) {
$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
$options{output}->option_exit();
}
if (!defined($options{noptions})) {
$options{options}->add_options(arguments => {
'hostname:s' => { name => 'hostname' },
'port:s' => { name => 'port', },
'method:s' => { name => 'method' },
'urlpath:s' => { name => 'url_path' },
'timeout:s' => { name => 'timeout' },
'header:s@' => { name => 'header' }
});
}
$options{options}->add_help(package => __PACKAGE__, sections => 'CUSTOM HTTPS OPTIONS', once => 1);
$self->{output} = $options{output};
$self->{http} = centreon::plugins::http->new(%options);
return $self;
}
sub set_options {
my ($self, %options) = @_;
$self->{option_results} = $options{option_results};
}
sub set_defaults {}
sub check_options {
my ($self, %options) = @_;
$self->{option_results}->{hostname} = (defined($self->{option_results}->{hostname})) ? $self->{option_results}->{hostname} : '';
$self->{option_results}->{port} = (defined($self->{option_results}->{port})) ? $self->{option_results}->{port} : 443;
$self->{option_results}->{proto} = 'https';
$self->{option_results}->{url_path} = (defined($self->{option_results}->{url_path})) ? $self->{option_results}->{url_path} : '/';
$self->{option_results}->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 5;
if ($self->{option_results}->{hostname} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify hostname option.");
$self->{output}->option_exit();
}
$self->{http}->set_options(%{$self->{option_results}});
return 0;
}
sub pem_type {
my ($self, %options) = @_;
my $bio_cert = Net::SSLeay::BIO_new(Net::SSLeay::BIO_s_mem());
if (!$bio_cert) {
$self->{output}->add_option_msg(short_msg => "Cannot init Net::SSLeay: $!");
$self->{output}->option_exit();
}
if (Net::SSLeay::BIO_write($bio_cert, $options{cert}) < 0) {
Net::SSLeay::BIO_free($bio_cert);
$self->{output}->add_option_msg(short_msg => "Cannot write certificate: $!");
$self->{output}->option_exit();
}
my $x509 = Net::SSLeay::PEM_read_bio_X509($bio_cert);
Net::SSLeay::BIO_free($bio_cert);
if (!$x509) {
$self->{output}->add_option_msg(short_msg => "Cannot read certificate: $!");
$self->{output}->option_exit();
}
my $cert_infos = {};
$cert_infos->{issuer} = Net::SSLeay::X509_NAME_oneline(Net::SSLeay::X509_get_issuer_name($x509));
$cert_infos->{expiration_date} = Net::SSLeay::P_ASN1_TIME_get_isotime(Net::SSLeay::X509_get_notAfter($x509));
my $subject = Net::SSLeay::X509_NAME_oneline(Net::SSLeay::X509_get_subject_name($x509));
if ($subject =~ /CN=(.*?)(?:\/(?:C|ST|L|O)=|\Z)/) {
$cert_infos->{subject} = $1;
}
my @subject_alt_names = Net::SSLeay::X509_get_subjectAltNames($x509);
my $append = '';
$cert_infos->{alt_subjects} = '';
for (my $i = 0; $i < $#subject_alt_names; $i += 2) {
my ($type, $name) = ($subject_alt_names[$i], $subject_alt_names[$i + 1]);
if ($type == &Net::SSLeay::GEN_IPADD) {
$name = Socket::inet_ntop(length($name) > 4 ? Socket::AF_INET6 : Socket::AF_INET, $name);
}
$cert_infos->{alt_subjects} .= $append . $name;
$append = ', ';
}
$cert_infos->{expiration_date} =~ /^(\d+)-(\d+)-(\d+)T(\d+):(\d+):(\d+)Z$/; # 2033-05-16T20:39:37Z
my $dt = DateTime->new(year => $1, month => $2, day => $3, hour => $4, minute => $5, second => $6);
$cert_infos->{expiration} = $dt->epoch();
return $cert_infos;
}
sub socket_type {
my ($self, %options) = @_;
my $cert_infos = {};
$cert_infos->{subject} = $options{socket}->peer_certificate('commonName');
$cert_infos->{issuer} = $options{socket}->peer_certificate('authority');
my @subject_alt_names = $options{socket}->peer_certificate('subjectAltNames');
my $append = '';
$cert_infos->{alt_subjects} = '';
for (my $i = 0; $i < $#subject_alt_names; $i += 2) {
my ($type, $name) = ($subject_alt_names[$i], $subject_alt_names[$i + 1]);
if ($type == &Net::SSLeay::GEN_IPADD) {
$name = Socket::inet_ntop(length($name) > 4 ? Socket::AF_INET6 : Socket::AF_INET, $name);
}
$cert_infos->{alt_subjects} .= $append . $name;
$append = ', ';
}
$cert_infos->{expiration_date} = Net::SSLeay::P_ASN1_TIME_get_isotime(Net::SSLeay::X509_get_notAfter($options{socket}->peer_certificate()));
$cert_infos->{expiration_date} =~ /^(\d+)-(\d+)-(\d+)T(\d+):(\d+):(\d+)Z$/; # 2033-05-16T20:39:37Z
my $dt = DateTime->new(year => $1, month => $2, day => $3, hour => $4, minute => $5, second => $6);
$cert_infos->{expiration} = $dt->epoch();
return $cert_infos;
}
sub get_certificate_informations {
my ($self, %options) = @_;
$self->{http}->request(
certinfo => 1,
unknown_status => '',
warning_status => '',
critical_status => ''
);
my ($type, $cert) = $self->{http}->get_certificate();
if (!defined($cert)) {
$self->{output}->add_option_msg(short_msg => $self->{http}->get_message());
$self->{output}->option_exit();
}
my $cert_infos;
if ($type eq 'pem') {
$cert_infos = $self->pem_type(cert => $cert);
} elsif ($type eq 'socket') {
$cert_infos = $self->socket_type(socket => $cert);
}
return $cert_infos;
}
1;
__END__
=head1 NAME
http connection
=head1 CUSTOM HTTPS OPTIONS
http connection
=over 8
=item B<--hostname>
IP Addr/FQDN of the webserver host
=item B<--port>
Port used by Webserver (Default: 443)
=item B<--method>
Specify http method used (Default: 'GET')
=item B<--urlpath>
Set path to get webpage (Default: '/')
=item B<--timeout>
Threshold for HTTP timeout (Default: 5)
=item B<--header>
Set HTTP headers (Multiple option)
=back
=head1 DESCRIPTION
B<custom>.
=cut