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<?php |
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/* |
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* ***************************************************************************** |
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* Contributions to this work were made on behalf of the GÉANT project, a |
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* project that has received funding from the European Union’s Framework |
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* Programme 7 under Grant Agreements No. 238875 (GN3) and No. 605243 (GN3plus), |
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* Horizon 2020 research and innovation programme under Grant Agreements No. |
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* 691567 (GN4-1) and No. 731122 (GN4-2). |
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* On behalf of the aforementioned projects, GEANT Association is the sole owner |
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* of the copyright in all material which was developed by a member of the GÉANT |
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* project. GÉANT Vereniging (Association) is registered with the Chamber of |
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* Commerce in Amsterdam with registration number 40535155 and operates in the |
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* UK as a branch of GÉANT Vereniging. |
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* |
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* Registered office: Hoekenrode 3, 1102BR Amsterdam, The Netherlands. |
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* UK branch address: City House, 126-130 Hills Road, Cambridge CB2 1PQ, UK |
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* |
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* License: see the web/copyright.inc.php file in the file structure or |
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* <base_url>/copyright.php after deploying the software |
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*/ |
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namespace core\diag; |
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use \Exception; |
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require_once dirname(dirname(__DIR__)) . "/config/_config.php"; |
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/** |
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* Test suite to verify that a given NAI realm has NAPTR records according to |
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* consortium-agreed criteria |
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* Can only be used if CONFIG_DIAGNOSTICS['RADIUSTESTS'] is configured. |
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* |
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* @author Stefan Winter <[email protected]> |
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* @author Tomasz Wolniewicz <[email protected]> |
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* |
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* @license see LICENSE file in root directory |
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* |
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* @package Developer |
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*/ |
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class RFC6614Tests extends AbstractTest { |
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/** |
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* dictionary of translatable texts around the certificates we check |
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* |
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* @var array |
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*/ |
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private $TLS_certkeys = []; |
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/** |
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* list of IP addresses which are candidates for dynamic discovery targets |
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* |
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* @var array |
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*/ |
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private $candidateIPs; |
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/** |
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* associative array holding the server-side cert test results for a given IP (IP is the key) |
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* |
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* @var array |
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*/ |
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public $TLS_CA_checks_result; |
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/** |
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* associative array holding the client-side cert test results for a given IP (IP is the key) |
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* |
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* @var array |
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*/ |
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public $TLS_clients_checks_result; |
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/** |
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* Sets up the instance for testing of a number of candidate IPs |
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* |
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* @param array $listOfIPs candidates to test |
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*/ |
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public function __construct($listOfIPs) { |
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parent::__construct(); |
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$this->TLS_certkeys = [ |
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'eduPKI' => _('eduPKI'), |
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'NCU' => _('Nicolaus Copernicus University'), |
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'ACCREDITED' => _('accredited'), |
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'NONACCREDITED' => _('non-accredited'), |
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'CORRECT' => _('correct certificate'), |
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'WRONGPOLICY' => _('certificate with wrong policy OID'), |
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'EXPIRED' => _('expired certificate'), |
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'REVOKED' => _('revoked certificate'), |
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'PASS' => _('pass'), |
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'FAIL' => _('fail'), |
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'non-eduPKI-accredited' => _("eduroam-accredited CA (now only for tests)"), |
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]; |
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$this->TLS_CA_checks_result = []; |
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$this->TLS_clients_checks_result = []; |
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$this->candidateIPs = $listOfIPs; |
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} |
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/** |
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* run all checks on all candidates |
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* |
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* @return void |
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*/ |
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public function allChecks() { |
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foreach ($this->candidateIPs as $oneIP) { |
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$this->cApathCheck($oneIP); |
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$this->tlsClientSideCheck($oneIP); |
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} |
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} |
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/** |
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* This function executes openssl s_clientends command to check if a server accepts a CA |
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* |
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* @param string $host IP:port |
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* @return int returncode |
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*/ |
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public function cApathCheck(string $host) { |
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if (!isset($this->TLS_CA_checks_result[$host])) { |
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$this->TLS_CA_checks_result[$host] = []; |
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} |
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$opensslbabble = $this->execOpensslClient($host, '', $this->TLS_CA_checks_result[$host]); |
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return $this->opensslCAResult($host, $opensslbabble, $this->TLS_CA_checks_result); |
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} |
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/** |
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* This function executes openssl s_client command to check if a server accepts a client certificate |
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* |
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* @param string $host IP:port |
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* @return int returncode |
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*/ |
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public function tlsClientSideCheck(string $host) { |
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$res = RADIUSTests::RETVAL_OK; |
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if (!is_array(CONFIG_DIAGNOSTICS['RADIUSTESTS']['TLS-clientcerts']) || count(CONFIG_DIAGNOSTICS['RADIUSTESTS']['TLS-clientcerts']) == 0) { |
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return RADIUSTests::RETVAL_SKIPPED; |
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} |
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if (preg_match("/\[/", $host)) { |
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return RADIUSTests::RETVAL_INVALID; |
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} |
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foreach (CONFIG_DIAGNOSTICS['RADIUSTESTS']['TLS-clientcerts'] as $type => $tlsclient) { |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['clientcertinfo']['from'] = $type; |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['clientcertinfo']['status'] = $tlsclient['status']; |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['clientcertinfo']['message'] = $this->TLS_certkeys[$tlsclient['status']]; |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['clientcertinfo']['issuer'] = $tlsclient['issuerCA']; |
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foreach ($tlsclient['certificates'] as $k => $cert) { |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['status'] = $cert['status']; |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['message'] = $this->TLS_certkeys[$cert['status']]; |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['expected'] = $cert['expected']; |
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$add = ' -cert ' . ROOT . '/config/cli-certs/' . $cert['public'] . ' -key ' . ROOT . '/config/cli-certs/' . $cert['private']; |
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if (!isset($this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k])) { |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k] = []; |
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} |
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$opensslbabble = $this->execOpensslClient($host, $add, $this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]); |
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$res = $this->opensslClientsResult($host, $opensslbabble, $this->TLS_clients_checks_result, $type, $k); |
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if ($cert['expected'] == 'PASS') { |
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if (!$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['connected']) { |
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if (($tlsclient['status'] == 'ACCREDITED') && ($cert['status'] == 'CORRECT')) { |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['returncode'] = RADIUSTests::CERTPROB_NOT_ACCEPTED; |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['finalerror'] = 1; |
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break; |
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} |
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} |
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} else { |
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if ($this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['connected']) { |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['returncode'] = RADIUSTests::CERTPROB_WRONGLY_ACCEPTED; |
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} |
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if (($this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['reason'] == RADIUSTests::CERTPROB_UNKNOWN_CA) && ($tlsclient['status'] == 'ACCREDITED') && ($cert['status'] == 'CORRECT')) { |
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$this->TLS_clients_checks_result[$host]['ca'][$type]['certificate'][$k]['finalerror'] = 1; |
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echo "koniec zabawy2<br>"; |
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break; |
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} |
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} |
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} |
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} |
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return $res; |
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} |
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/** |
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* This function executes openssl s_client command |
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* |
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* @param string $host IP address |
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* @param string $arg arguments to add to the openssl command |
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* @param array $testresults by-reference: the testresults array we are writing into |
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* @return array result of openssl s_client ... |
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*/ |
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private function execOpensslClient($host, $arg, &$testresults) { |
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// we got the IP address either from DNS (guaranteeing well-formedness) |
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// or from filter_var'ed user input. So it is always safe as an argument |
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// but code analysers want this more explicit, so here is this extra |
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// call to escapeshellarg() |
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$escapedHost = escapeshellarg($host); |
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$this->loggerInstance->debug(4, CONFIG['PATHS']['openssl'] . " s_client -connect " . $escapedHost . " -tls1 -CApath " . ROOT . "/config/ca-certs/ $arg 2>&1\n"); |
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$time_start = microtime(true); |
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$opensslbabble = []; |
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$result = 999; // likely to become zero by openssl; don't want to initialise to zero, could cover up exec failures |
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exec(CONFIG['PATHS']['openssl'] . " s_client -connect " . $escapedHost . " -tls1 -CApath " . ROOT . "/config/ca-certs/ $arg 2>&1", $opensslbabble, $result); |
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$time_stop = microtime(true); |
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$testresults['time_millisec'] = floor(($time_stop - $time_start) * 1000); |
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$testresults['returncode'] = $result; |
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return $opensslbabble; |
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} |
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/** |
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* This function parses openssl s_client result |
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* |
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* @param string $host IP:port |
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* @param array $opensslbabble openssl command output |
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* @param array $testresults by-reference: pointer to results array we write into |
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* @return int return code |
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*/ |
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private function opensslCAResult($host, $opensslbabble, &$testresults) { |
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$res = RADIUSTests::RETVAL_OK; |
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if (preg_match('/connect: Connection refused/', implode($opensslbabble))) { |
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$testresults[$host]['status'] = RADIUSTests::RETVAL_CONNECTION_REFUSED; |
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$res = RADIUSTests::RETVAL_INVALID; |
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} |
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if (preg_match('/verify error:num=19/', implode($opensslbabble))) { |
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$testresults[$host]['cert_oddity'] = RADIUSTests::CERTPROB_UNKNOWN_CA; |
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$testresults[$host]['status'] = RADIUSTests::RETVAL_INVALID; |
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$res = RADIUSTests::RETVAL_INVALID; |
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} |
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if (preg_match('/verify return:1/', implode($opensslbabble))) { |
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$testresults[$host]['status'] = RADIUSTests::RETVAL_OK; |
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$servercertStage1 = implode("\n", $opensslbabble); |
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$servercert = preg_replace("/.*(-----BEGIN CERTIFICATE-----.*-----END CERTIFICATE-----\n).*/s", "$1", $servercertStage1); |
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$data = openssl_x509_parse($servercert); |
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$testresults[$host]['certdata']['subject'] = $data['name']; |
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$testresults[$host]['certdata']['issuer'] = $this->getCertificateIssuer($data); |
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if (($altname = $this->getCertificatePropertyField($data, 'subjectAltName'))) { |
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$testresults[$host]['certdata']['extensions']['subjectaltname'] = $altname; |
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} |
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$oids = $this->propertyCheckPolicy($data); |
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if (!empty($oids)) { |
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foreach ($oids as $resultArrayKey => $o) { |
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$testresults[$host]['certdata']['extensions']['policyoid'][] = " $o ($resultArrayKey)"; |
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} |
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} |
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if (($crl = $this->getCertificatePropertyField($data, 'crlDistributionPoints'))) { |
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$testresults[$host]['certdata']['extensions']['crlDistributionPoint'] = $crl; |
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} |
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if (($ocsp = $this->getCertificatePropertyField($data, 'authorityInfoAccess'))) { |
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$testresults[$host]['certdata']['extensions']['authorityInfoAccess'] = $ocsp; |
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} |
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} |
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return $res; |
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} |
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/** |
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* This function parses openssl s_client result |
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* |
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* @param string $host IP:port |
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* @param array $opensslbabble openssl command output |
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* @param array $testresults by-reference: pointer to results array we write into |
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* @param string $type type of certificate |
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* @param int $resultArrayKey results array key |
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* @return int return code |
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*/ |
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private function opensslClientsResult($host, $opensslbabble, &$testresults, $type = '', $resultArrayKey = 0) { |
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$res = RADIUSTests::RETVAL_OK; |
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$ret = $testresults[$host]['ca'][$type]['certificate'][$resultArrayKey]['returncode']; |
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$output = implode($opensslbabble); |
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if ($ret == 0) { |
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$testresults[$host]['ca'][$type]['certificate'][$resultArrayKey]['connected'] = 1; |
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} else { |
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$testresults[$host]['ca'][$type]['certificate'][$resultArrayKey]['connected'] = 0; |
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if (preg_match('/connect: Connection refused/', implode($opensslbabble))) { |
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$testresults[$host]['ca'][$type]['certificate'][$resultArrayKey]['returncode'] = RADIUSTests::RETVAL_CONNECTION_REFUSED; |
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$resComment = _("No TLS connection established: Connection refused"); |
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} elseif (preg_match('/sslv3 alert certificate expired/', $output)) { |
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$resComment = _("certificate expired"); |
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} elseif (preg_match('/sslv3 alert certificate revoked/', $output)) { |
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$resComment = _("certificate was revoked"); |
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} elseif (preg_match('/SSL alert number 46/', $output)) { |
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$resComment = _("bad policy"); |
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} elseif (preg_match('/tlsv1 alert unknown ca/', $output)) { |
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273
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|
|
$resComment = _("unknown authority"); |
|
274
|
|
|
$testresults[$host]['ca'][$type]['certificate'][$resultArrayKey]['reason'] = RADIUSTests::CERTPROB_UNKNOWN_CA; |
|
275
|
|
|
} else { |
|
276
|
|
|
$resComment = _("unknown authority or no certificate policy or another problem"); |
|
277
|
|
|
} |
|
278
|
|
|
$testresults[$host]['ca'][$type]['certificate'][$resultArrayKey]['resultcomment'] = $resComment; |
|
279
|
|
|
} |
|
280
|
|
|
return $res; |
|
281
|
|
|
} |
|
282
|
|
|
|
|
283
|
|
|
/** |
|
284
|
|
|
* This function parses a X.509 cert and returns all certificatePolicies OIDs |
|
285
|
|
|
* |
|
286
|
|
|
* @param array $cert (returned from openssl_x509_parse) |
|
287
|
|
|
* @return array of OIDs |
|
288
|
|
|
*/ |
|
289
|
|
|
private function propertyCheckPolicy($cert) { |
|
290
|
|
|
$oids = []; |
|
291
|
|
|
if ($cert['extensions']['certificatePolicies']) { |
|
292
|
|
|
foreach (CONFIG_DIAGNOSTICS['RADIUSTESTS']['TLS-acceptableOIDs'] as $key => $oid) { |
|
293
|
|
|
if (preg_match("/Policy: $oid/", $cert['extensions']['certificatePolicies'])) { |
|
294
|
|
|
$oids[$key] = $oid; |
|
295
|
|
|
} |
|
296
|
|
|
} |
|
297
|
|
|
} |
|
298
|
|
|
return $oids; |
|
299
|
|
|
} |
|
300
|
|
|
/** |
|
301
|
|
|
* This function parses a X.509 cert and returns the value of $field |
|
302
|
|
|
* |
|
303
|
|
|
* @param array $cert (returned from openssl_x509_parse) |
|
304
|
|
|
* @return string value of the issuer field or '' |
|
305
|
|
|
*/ |
|
306
|
|
|
private function getCertificateIssuer($cert) { |
|
307
|
|
|
$issuer = ''; |
|
308
|
|
|
foreach ($cert['issuer'] as $key => $val) { |
|
309
|
|
|
if (is_array($val)) { |
|
310
|
|
|
foreach ($val as $v) { |
|
311
|
|
|
$issuer .= "/$key=$v"; |
|
312
|
|
|
} |
|
313
|
|
|
} else { |
|
314
|
|
|
$issuer .= "/$key=$val"; |
|
315
|
|
|
} |
|
316
|
|
|
} |
|
317
|
|
|
return $issuer; |
|
318
|
|
|
} |
|
319
|
|
|
/** |
|
320
|
|
|
* This function parses a X.509 cert and returns the value of $field |
|
321
|
|
|
* |
|
322
|
|
|
* @param array $cert (returned from openssl_x509_parse) |
|
323
|
|
|
* @param string $field the field to search for |
|
324
|
|
|
* @return string value of the extention named $field or '' |
|
325
|
|
|
*/ |
|
326
|
|
|
private function getCertificatePropertyField($cert, $field) { |
|
327
|
|
|
if ($cert['extensions'][$field]) { |
|
328
|
|
|
return $cert['extensions'][$field]; |
|
329
|
|
|
} |
|
330
|
|
|
return ''; |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
} |
|
334
|
|
|
|
GEANT /
CAT
