<commit_before><?php
/*
 * system_certmanager.php
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2004-2016 Rubicon Communications, LLC (Netgate)
 * Copyright (c) 2008 Shrew Soft Inc
 * All rights reserved.
 *
 * 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.
 */

##|+PRIV
##|*IDENT=page-system-certmanager
##|*NAME=System: Certificate Manager
##|*DESCR=Allow access to the 'System: Certificate Manager' page.
##|*MATCH=system_certmanager.php*
##|-PRIV

require_once("guiconfig.inc");
require_once("certs.inc");

$cert_methods = array(
	"import" => gettext("Import an existing Certificate"),
	"internal" => gettext("Create an internal Certificate"),
	"external" => gettext("Create a Certificate Signing Request"),
);

$cert_keylens = array("512", "1024", "2048", "3072", "4096", "7680", "8192", "15360", "16384");
$cert_types = array(
	"server" => "Server Certificate",
	"user" => "User Certificate");

$altname_types = array("DNS", "IP", "email", "URI");
$openssl_digest_algs = array("sha1", "sha224", "sha256", "sha384", "sha512", "whirlpool");

if (is_numericint($_GET['userid'])) {
	$userid = $_GET['userid'];
}
if (isset($_POST['userid']) && is_numericint($_POST['userid'])) {
	$userid = $_POST['userid'];
}

if (isset($userid)) {
	$cert_methods["existing"] = gettext("Choose an existing certificate");
	if (!is_array($config['system']['user'])) {
		$config['system']['user'] = array();
	}
	$a_user =& $config['system']['user'];
}

if (is_numericint($_GET['id'])) {
	$id = $_GET['id'];
}
if (isset($_POST['id']) && is_numericint($_POST['id'])) {
	$id = $_POST['id'];
}

if (!is_array($config['ca'])) {
	$config['ca'] = array();
}

$a_ca =& $config['ca'];

if (!is_array($config['cert'])) {
	$config['cert'] = array();
}

$a_cert =& $config['cert'];

$internal_ca_count = 0;
foreach ($a_ca as $ca) {
	if ($ca['prv']) {
		$internal_ca_count++;
	}
}

$act = $_GET['act'];

if ($_POST['act']) {
	$act = $_POST['act'];
}

if ($act == "del") {

	if (!isset($a_cert[$id])) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	unset($a_cert[$id]);
	write_config();
	$savemsg = sprintf(gettext("Certificate %s successfully deleted."), htmlspecialchars($a_cert[$id]['descr']));
	pfSenseHeader("system_certmanager.php");
	exit;
}


if ($act == "new") {
	$pconfig['method'] = $_GET['method'];
	$pconfig['keylen'] = "2048";
	$pconfig['digest_alg'] = "sha256";
	$pconfig['csr_keylen'] = "2048";
	$pconfig['csr_digest_alg'] = "sha256";
	$pconfig['type'] = "user";
	$pconfig['lifetime'] = "3650";
}

if ($act == "exp") {

	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.crt");
	$exp_data = base64_decode($a_cert[$id]['crt']);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "req") {

	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.req");
	$exp_data = base64_decode($a_cert[$id]['csr']);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "key") {

	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.key");
	$exp_data = base64_decode($a_cert[$id]['prv']);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "p12") {
	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.p12");
	$args = array();
	$args['friendly_name'] = $a_cert[$id]['descr'];

	$ca = lookup_ca($a_cert[$id]['caref']);
	if ($ca) {
		$args['extracerts'] = openssl_x509_read(base64_decode($ca['crt']));
	}

	$res_crt = openssl_x509_read(base64_decode($a_cert[$id]['crt']));
	$res_key = openssl_pkey_get_private(array(0 => base64_decode($a_cert[$id]['prv']) , 1 => ""));

	$exp_data = "";
	openssl_pkcs12_export($res_crt, $exp_data, $res_key, null, $args);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "csr") {
	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$pconfig['descr'] = $a_cert[$id]['descr'];
	$pconfig['csr'] = base64_decode($a_cert[$id]['csr']);
}

if ($_POST) {
	// This is just the blank alternate name that is added for display purposes. We don't want to validate/save it
	if ($_POST['altname_value0'] == "") {
		unset($_POST['altname_type0']);
		unset($_POST['altname_value0']);
	}

	if ($_POST['save'] == gettext("Save")) {
		$input_errors = array();
		$pconfig = $_POST;

		/* input validation */
		if ($pconfig['method'] == "import") {
			$reqdfields = explode(" ",
				"descr cert key");
			$reqdfieldsn = array(
				gettext("Descriptive name"),
				gettext("Certificate data"),
				gettext("Key data"));
			if ($_POST['cert'] && (!strstr($_POST['cert'], "BEGIN CERTIFICATE") || !strstr($_POST['cert'], "END CERTIFICATE"))) {
				$input_errors[] = gettext("This certificate does not appear to be valid.");
			}
			if (cert_get_modulus($_POST['cert'], false) != prv_get_modulus($_POST['key'], false)) {
				$input_errors[] = gettext("The submitted private key does not match the submitted certificate data.");
			}
		}

		if ($pconfig['method'] == "internal") {
			$reqdfields = explode(" ",
				"descr caref keylen type lifetime dn_country dn_state dn_city ".
				"dn_organization dn_email dn_commonname");
			$reqdfieldsn = array(
				gettext("Descriptive name"),
				gettext("Certificate authority"),
				gettext("Key length"),
				gettext("Certificate Type"),
				gettext("Lifetime"),
				gettext("Distinguished name Country Code"),
				gettext("Distinguished name State or Province"),
				gettext("Distinguished name City"),
				gettext("Distinguished name Organization"),
				gettext("Distinguished name Email Address"),
				gettext("Distinguished name Common Name"));
		}

		if ($pconfig['method'] == "external") {
			$reqdfields = explode(" ",
				"descr csr_keylen csr_dn_country csr_dn_state csr_dn_city ".
				"csr_dn_organization csr_dn_email csr_dn_commonname");
			$reqdfieldsn = array(
				gettext("Descriptive name"),
				gettext("Key length"),
				gettext("Distinguished name Country Code"),
				gettext("Distinguished name State or Province"),
				gettext("Distinguished name City"),
				gettext("Distinguished name Organization"),
				gettext("Distinguished name Email Address"),
				gettext("Distinguished name Common Name"));
		}

		if ($pconfig['method'] == "existing") {
			$reqdfields = array("certref");
			$reqdfieldsn = array(gettext("Existing Certificate Choice"));
		}

		$altnames = array();
		do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
		if ($pconfig['method'] != "import" && $pconfig['method'] != "existing") {
			/* subjectAltNames */
			foreach ($_POST as $key => $value) {
				$entry = '';
				if (!substr_compare('altname_type', $key, 0, 12)) {
					$entry = substr($key, 12);
					$field = 'type';
				} elseif (!substr_compare('altname_value', $key, 0, 13)) {
					$entry = substr($key, 13);
					$field = 'value';
				}

				if (ctype_digit($entry)) {
					$entry++;	// Pre-bootstrap code is one-indexed, but the bootstrap code is 0-indexed
					$altnames[$entry][$field] = $value;
				}
			}

			$pconfig['altnames']['item'] = $altnames;

			/* Input validation for subjectAltNames */
			foreach ($altnames as $idx => $altname) {
				switch ($altname['type']) {
					case "DNS":
						if (!is_hostname($altname['value'], true)) {
							array_push($input_errors, "DNS subjectAltName values must be valid hostnames, FQDNs or wildcard domains.");
						}
						break;
					case "IP":
						if (!is_ipaddr($altname['value'])) {
							array_push($input_errors, "IP subjectAltName values must be valid IP Addresses");
						}
						break;
					case "email":
						if (empty($altname['value'])) {
							array_push($input_errors, "An e-mail address must be provided for this type of subjectAltName");
						}
						if (preg_match("/[\!\#\$\%\^\(\)\~\?\>\<\&\/\\\,\"\']/", $altname['value'])) {
							array_push($input_errors, "The e-mail provided in a subjectAltName contains invalid characters.");
						}
						break;
					case "URI":
						/* Close enough? */
						if (!is_URL($altname['value'])) {
							$input_errors[] = "URI subjectAltName types must be a valid URI";
						}
						break;
					default:
						$input_errors[] = "Unrecognized subjectAltName type.";
				}
			}

			/* Make sure we do not have invalid characters in the fields for the certificate */

			if (preg_match("/[\?\>\<\&\/\\\"\']/", $_POST['descr'])) {
				array_push($input_errors, "The field 'Descriptive Name' contains invalid characters.");
			}

			for ($i = 0; $i < count($reqdfields); $i++) {
				if (preg_match('/email/', $reqdfields[$i])) { /* dn_email or csr_dn_name */
					if (preg_match("/[\!\#\$\%\^\(\)\~\?\>\<\&\/\\\,\"\']/", $_POST[$reqdfields[$i]])) {
						array_push($input_errors, gettext("The field 'Distinguished name Email Address' contains invalid characters."));
					}
				} else if (preg_match('/commonname/', $reqdfields[$i])) { /* dn_commonname or csr_dn_commonname */
					if (preg_match("/[\!\@\#\$\%\^\(\)\~\?\>\<\&\/\\\,\"\']/", $_POST[$reqdfields[$i]])) {
						array_push($input_errors, gettext("The field 'Distinguished name Common Name' contains invalid characters."));
					}
				} else if (($reqdfields[$i] != "descr") && preg_match("/[\!\@\#\$\%\^\(\)\~\?\>\<\&\/\\\,\.\"\']/", $_POST[$reqdfields[$i]])) {
					array_push($input_errors, sprintf(gettext("The field '%s' contains invalid characters."), $reqdfieldsn[$i]));
				}
			}

			if (($pconfig['method'] != "external") && isset($_POST["keylen"]) && !in_array($_POST["keylen"], $cert_keylens)) {
				array_push($input_errors, gettext("Please select a valid Key Length."));
			}
			if (($pconfig['method'] != "external") && !in_array($_POST["digest_alg"], $openssl_digest_algs)) {
				array_push($input_errors, gettext("Please select a valid Digest Algorithm."));
			}

			if (($pconfig['method'] == "external") && isset($_POST["csr_keylen"]) && !in_array($_POST["csr_keylen"], $cert_keylens)) {
				array_push($input_errors, gettext("Please select a valid Key Length."));
			}
			if (($pconfig['method'] == "external") && !in_array($_POST["csr_digest_alg"], $openssl_digest_algs)) {
				array_push($input_errors, gettext("Please select a valid Digest Algorithm."));
			}
		}

		/* save modifications */
		if (!$input_errors) {

			if ($pconfig['method'] == "existing") {
				$cert = lookup_cert($pconfig['certref']);
				if ($cert && $a_user) {
					$a_user[$userid]['cert'][] = $cert['refid'];
				}
			} else {
				$cert = array();
				$cert['refid'] = uniqid();
				if (isset($id) && $a_cert[$id]) {
					$cert = $a_cert[$id];
				}

				$cert['descr'] = $pconfig['descr'];

				$old_err_level = error_reporting(0); /* otherwise openssl_ functions throw warnings directly to a page screwing menu tab */

				if ($pconfig['method'] == "import") {
					cert_import($cert, $pconfig['cert'], $pconfig['key']);
				}

				if ($pconfig['method'] == "internal") {
					$dn = array(
						'countryName' => $pconfig['dn_country'],
						'stateOrProvinceName' => $pconfig['dn_state'],
						'localityName' => $pconfig['dn_city'],
						'organizationName' => $pconfig['dn_organization'],
						'emailAddress' => $pconfig['dn_email'],
						'commonName' => $pconfig['dn_commonname']);
					if (!empty($pconfig['dn_organizationalunit'])) {
						$dn['organizationalUnitName'] = $pconfig['dn_organizationalunit'];
					}
					if (count($altnames)) {
						$altnames_tmp = "";
						foreach ($altnames as $altname) {
							$altnames_tmp[] = "{$altname['type']}:{$altname['value']}";
						}

						$dn['subjectAltName'] = implode(",", $altnames_tmp);
					}

					if (!cert_create($cert, $pconfig['caref'], $pconfig['keylen'], $pconfig['lifetime'], $dn, $pconfig['type'], $pconfig['digest_alg'])) {
						while ($ssl_err = openssl_error_string()) {
							$input_errors = array();
							array_push($input_errors, "openssl library returns: " . $ssl_err);
						}
					}
				}

				if ($pconfig['method'] == "external") {
					$dn = array(
						'countryName' => $pconfig['csr_dn_country'],
						'stateOrProvinceName' => $pconfig['csr_dn_state'],
						'localityName' => $pconfig['csr_dn_city'],
						'organizationName' => $pconfig['csr_dn_organization'],
						'emailAddress' => $pconfig['csr_dn_email'],
						'commonName' => $pconfig['csr_dn_commonname']);
					if (!empty($pconfig['csr_dn_organizationalunit'])) {
						$dn['organizationalUnitName'] = $pconfig['csr_dn_organizationalunit'];
					}
					if (count($altnames)) {
						$altnames_tmp = "";
						foreach ($altnames as $altname) {
							$altnames_tmp[] = "{$altname['type']}:{$altname['value']}";
						}
						$dn['subjectAltName'] = implode(",", $altnames_tmp);
					}

					if (!csr_generate($cert, $pconfig['csr_keylen'], $dn, $pconfig['csr_digest_alg'])) {
						while ($ssl_err = openssl_error_string()) {
							$input_errors = array();
							array_push($input_errors, "openssl library returns: " . $ssl_err);
						}
					}
				}
				error_reporting($old_err_level);

				if (isset($id) && $a_cert[$id]) {
					$a_cert[$id] = $cert;
				} else {
					$a_cert[] = $cert;
				}

				if (isset($a_user) && isset($userid)) {
					$a_user[$userid]['cert'][] = $cert['refid'];
				}
			}

			if (!$input_errors) {
				write_config();
			}

			if ($userid) {
				post_redirect("system_usermanager.php", array('act' => 'edit', 'userid' => $userid));
				exit;
			}
		}
	}

	if ($_POST['save'] == gettext("Update")) {
		unset($input_errors);
		$pconfig = $_POST;

		/* input validation */
		$reqdfields = explode(" ", "descr cert");<commit_msg>If there are input errors when creating a user certificate from the user manager, stop and show the errors rather than appearing to fail silently. Fixes #6953<commit_after><?php
/*
 * system_certmanager.php
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2004-2016 Rubicon Communications, LLC (Netgate)
 * Copyright (c) 2008 Shrew Soft Inc
 * All rights reserved.
 *
 * 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.
 */

##|+PRIV
##|*IDENT=page-system-certmanager
##|*NAME=System: Certificate Manager
##|*DESCR=Allow access to the 'System: Certificate Manager' page.
##|*MATCH=system_certmanager.php*
##|-PRIV

require_once("guiconfig.inc");
require_once("certs.inc");

$cert_methods = array(
	"import" => gettext("Import an existing Certificate"),
	"internal" => gettext("Create an internal Certificate"),
	"external" => gettext("Create a Certificate Signing Request"),
);

$cert_keylens = array("512", "1024", "2048", "3072", "4096", "7680", "8192", "15360", "16384");
$cert_types = array(
	"server" => "Server Certificate",
	"user" => "User Certificate");

$altname_types = array("DNS", "IP", "email", "URI");
$openssl_digest_algs = array("sha1", "sha224", "sha256", "sha384", "sha512", "whirlpool");

if (is_numericint($_GET['userid'])) {
	$userid = $_GET['userid'];
}
if (isset($_POST['userid']) && is_numericint($_POST['userid'])) {
	$userid = $_POST['userid'];
}

if (isset($userid)) {
	$cert_methods["existing"] = gettext("Choose an existing certificate");
	if (!is_array($config['system']['user'])) {
		$config['system']['user'] = array();
	}
	$a_user =& $config['system']['user'];
}

if (is_numericint($_GET['id'])) {
	$id = $_GET['id'];
}
if (isset($_POST['id']) && is_numericint($_POST['id'])) {
	$id = $_POST['id'];
}

if (!is_array($config['ca'])) {
	$config['ca'] = array();
}

$a_ca =& $config['ca'];

if (!is_array($config['cert'])) {
	$config['cert'] = array();
}

$a_cert =& $config['cert'];

$internal_ca_count = 0;
foreach ($a_ca as $ca) {
	if ($ca['prv']) {
		$internal_ca_count++;
	}
}

$act = $_GET['act'];

if ($_POST['act']) {
	$act = $_POST['act'];
}

if ($act == "del") {

	if (!isset($a_cert[$id])) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	unset($a_cert[$id]);
	write_config();
	$savemsg = sprintf(gettext("Certificate %s successfully deleted."), htmlspecialchars($a_cert[$id]['descr']));
	pfSenseHeader("system_certmanager.php");
	exit;
}


if ($act == "new") {
	$pconfig['method'] = $_GET['method'];
	$pconfig['keylen'] = "2048";
	$pconfig['digest_alg'] = "sha256";
	$pconfig['csr_keylen'] = "2048";
	$pconfig['csr_digest_alg'] = "sha256";
	$pconfig['type'] = "user";
	$pconfig['lifetime'] = "3650";
}

if ($act == "exp") {

	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.crt");
	$exp_data = base64_decode($a_cert[$id]['crt']);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "req") {

	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.req");
	$exp_data = base64_decode($a_cert[$id]['csr']);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "key") {

	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.key");
	$exp_data = base64_decode($a_cert[$id]['prv']);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "p12") {
	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$exp_name = urlencode("{$a_cert[$id]['descr']}.p12");
	$args = array();
	$args['friendly_name'] = $a_cert[$id]['descr'];

	$ca = lookup_ca($a_cert[$id]['caref']);
	if ($ca) {
		$args['extracerts'] = openssl_x509_read(base64_decode($ca['crt']));
	}

	$res_crt = openssl_x509_read(base64_decode($a_cert[$id]['crt']));
	$res_key = openssl_pkey_get_private(array(0 => base64_decode($a_cert[$id]['prv']) , 1 => ""));

	$exp_data = "";
	openssl_pkcs12_export($res_crt, $exp_data, $res_key, null, $args);
	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename={$exp_name}");
	header("Content-Length: $exp_size");
	echo $exp_data;
	exit;
}

if ($act == "csr") {
	if (!$a_cert[$id]) {
		pfSenseHeader("system_certmanager.php");
		exit;
	}

	$pconfig['descr'] = $a_cert[$id]['descr'];
	$pconfig['csr'] = base64_decode($a_cert[$id]['csr']);
}

if ($_POST) {
	// This is just the blank alternate name that is added for display purposes. We don't want to validate/save it
	if ($_POST['altname_value0'] == "") {
		unset($_POST['altname_type0']);
		unset($_POST['altname_value0']);
	}

	if ($_POST['save'] == gettext("Save")) {
		$input_errors = array();
		$pconfig = $_POST;

		/* input validation */
		if ($pconfig['method'] == "import") {
			$reqdfields = explode(" ",
				"descr cert key");
			$reqdfieldsn = array(
				gettext("Descriptive name"),
				gettext("Certificate data"),
				gettext("Key data"));
			if ($_POST['cert'] && (!strstr($_POST['cert'], "BEGIN CERTIFICATE") || !strstr($_POST['cert'], "END CERTIFICATE"))) {
				$input_errors[] = gettext("This certificate does not appear to be valid.");
			}
			if (cert_get_modulus($_POST['cert'], false) != prv_get_modulus($_POST['key'], false)) {
				$input_errors[] = gettext("The submitted private key does not match the submitted certificate data.");
			}
		}

		if ($pconfig['method'] == "internal") {
			$reqdfields = explode(" ",
				"descr caref keylen type lifetime dn_country dn_state dn_city ".
				"dn_organization dn_email dn_commonname");
			$reqdfieldsn = array(
				gettext("Descriptive name"),
				gettext("Certificate authority"),
				gettext("Key length"),
				gettext("Certificate Type"),
				gettext("Lifetime"),
				gettext("Distinguished name Country Code"),
				gettext("Distinguished name State or Province"),
				gettext("Distinguished name City"),
				gettext("Distinguished name Organization"),
				gettext("Distinguished name Email Address"),
				gettext("Distinguished name Common Name"));
		}

		if ($pconfig['method'] == "external") {
			$reqdfields = explode(" ",
				"descr csr_keylen csr_dn_country csr_dn_state csr_dn_city ".
				"csr_dn_organization csr_dn_email csr_dn_commonname");
			$reqdfieldsn = array(
				gettext("Descriptive name"),
				gettext("Key length"),
				gettext("Distinguished name Country Code"),
				gettext("Distinguished name State or Province"),
				gettext("Distinguished name City"),
				gettext("Distinguished name Organization"),
				gettext("Distinguished name Email Address"),
				gettext("Distinguished name Common Name"));
		}

		if ($pconfig['method'] == "existing") {
			$reqdfields = array("certref");
			$reqdfieldsn = array(gettext("Existing Certificate Choice"));
		}

		$altnames = array();
		do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
		if ($pconfig['method'] != "import" && $pconfig['method'] != "existing") {
			/* subjectAltNames */
			foreach ($_POST as $key => $value) {
				$entry = '';
				if (!substr_compare('altname_type', $key, 0, 12)) {
					$entry = substr($key, 12);
					$field = 'type';
				} elseif (!substr_compare('altname_value', $key, 0, 13)) {
					$entry = substr($key, 13);
					$field = 'value';
				}

				if (ctype_digit($entry)) {
					$entry++;	// Pre-bootstrap code is one-indexed, but the bootstrap code is 0-indexed
					$altnames[$entry][$field] = $value;
				}
			}

			$pconfig['altnames']['item'] = $altnames;

			/* Input validation for subjectAltNames */
			foreach ($altnames as $idx => $altname) {
				switch ($altname['type']) {
					case "DNS":
						if (!is_hostname($altname['value'], true)) {
							array_push($input_errors, "DNS subjectAltName values must be valid hostnames, FQDNs or wildcard domains.");
						}
						break;
					case "IP":
						if (!is_ipaddr($altname['value'])) {
							array_push($input_errors, "IP subjectAltName values must be valid IP Addresses");
						}
						break;
					case "email":
						if (empty($altname['value'])) {
							array_push($input_errors, "An e-mail address must be provided for this type of subjectAltName");
						}
						if (preg_match("/[\!\#\$\%\^\(\)\~\?\>\<\&\/\\\,\"\']/", $altname['value'])) {
							array_push($input_errors, "The e-mail provided in a subjectAltName contains invalid characters.");
						}
						break;
					case "URI":
						/* Close enough? */
						if (!is_URL($altname['value'])) {
							$input_errors[] = "URI subjectAltName types must be a valid URI";
						}
						break;
					default:
						$input_errors[] = "Unrecognized subjectAltName type.";
				}
			}

			/* Make sure we do not have invalid characters in the fields for the certificate */

			if (preg_match("/[\?\>\<\&\/\\\"\']/", $_POST['descr'])) {
				array_push($input_errors, "The field 'Descriptive Name' contains invalid characters.");
			}

			for ($i = 0; $i < count($reqdfields); $i++) {
				if (preg_match('/email/', $reqdfields[$i])) { /* dn_email or csr_dn_name */
					if (preg_match("/[\!\#\$\%\^\(\)\~\?\>\<\&\/\\\,\"\']/", $_POST[$reqdfields[$i]])) {
						array_push($input_errors, gettext("The field 'Distinguished name Email Address' contains invalid characters."));
					}
				} else if (preg_match('/commonname/', $reqdfields[$i])) { /* dn_commonname or csr_dn_commonname */
					if (preg_match("/[\!\@\#\$\%\^\(\)\~\?\>\<\&\/\\\,\"\']/", $_POST[$reqdfields[$i]])) {
						array_push($input_errors, gettext("The field 'Distinguished name Common Name' contains invalid characters."));
					}
				} else if (($reqdfields[$i] != "descr") && preg_match("/[\!\@\#\$\%\^\(\)\~\?\>\<\&\/\\\,\.\"\']/", $_POST[$reqdfields[$i]])) {
					array_push($input_errors, sprintf(gettext("The field '%s' contains invalid characters."), $reqdfieldsn[$i]));
				}
			}

			if (($pconfig['method'] != "external") && isset($_POST["keylen"]) && !in_array($_POST["keylen"], $cert_keylens)) {
				array_push($input_errors, gettext("Please select a valid Key Length."));
			}
			if (($pconfig['method'] != "external") && !in_array($_POST["digest_alg"], $openssl_digest_algs)) {
				array_push($input_errors, gettext("Please select a valid Digest Algorithm."));
			}

			if (($pconfig['method'] == "external") && isset($_POST["csr_keylen"]) && !in_array($_POST["csr_keylen"], $cert_keylens)) {
				array_push($input_errors, gettext("Please select a valid Key Length."));
			}
			if (($pconfig['method'] == "external") && !in_array($_POST["csr_digest_alg"], $openssl_digest_algs)) {
				array_push($input_errors, gettext("Please select a valid Digest Algorithm."));
			}
		}

		/* save modifications */
		if (!$input_errors) {

			if ($pconfig['method'] == "existing") {
				$cert = lookup_cert($pconfig['certref']);
				if ($cert && $a_user) {
					$a_user[$userid]['cert'][] = $cert['refid'];
				}
			} else {
				$cert = array();
				$cert['refid'] = uniqid();
				if (isset($id) && $a_cert[$id]) {
					$cert = $a_cert[$id];
				}

				$cert['descr'] = $pconfig['descr'];

				$old_err_level = error_reporting(0); /* otherwise openssl_ functions throw warnings directly to a page screwing menu tab */

				if ($pconfig['method'] == "import") {
					cert_import($cert, $pconfig['cert'], $pconfig['key']);
				}

				if ($pconfig['method'] == "internal") {
					$dn = array(
						'countryName' => $pconfig['dn_country'],
						'stateOrProvinceName' => $pconfig['dn_state'],
						'localityName' => $pconfig['dn_city'],
						'organizationName' => $pconfig['dn_organization'],
						'emailAddress' => $pconfig['dn_email'],
						'commonName' => $pconfig['dn_commonname']);
					if (!empty($pconfig['dn_organizationalunit'])) {
						$dn['organizationalUnitName'] = $pconfig['dn_organizationalunit'];
					}
					if (count($altnames)) {
						$altnames_tmp = "";
						foreach ($altnames as $altname) {
							$altnames_tmp[] = "{$altname['type']}:{$altname['value']}";
						}

						$dn['subjectAltName'] = implode(",", $altnames_tmp);
					}

					if (!cert_create($cert, $pconfig['caref'], $pconfig['keylen'], $pconfig['lifetime'], $dn, $pconfig['type'], $pconfig['digest_alg'])) {
						while ($ssl_err = openssl_error_string()) {
							$input_errors = array();
							array_push($input_errors, "openssl library returns: " . $ssl_err);
						}
					}
				}

				if ($pconfig['method'] == "external") {
					$dn = array(
						'countryName' => $pconfig['csr_dn_country'],
						'stateOrProvinceName' => $pconfig['csr_dn_state'],
						'localityName' => $pconfig['csr_dn_city'],
						'organizationName' => $pconfig['csr_dn_organization'],
						'emailAddress' => $pconfig['csr_dn_email'],
						'commonName' => $pconfig['csr_dn_commonname']);
					if (!empty($pconfig['csr_dn_organizationalunit'])) {
						$dn['organizationalUnitName'] = $pconfig['csr_dn_organizationalunit'];
					}
					if (count($altnames)) {
						$altnames_tmp = "";
						foreach ($altnames as $altname) {
							$altnames_tmp[] = "{$altname['type']}:{$altname['value']}";
						}
						$dn['subjectAltName'] = implode(",", $altnames_tmp);
					}

					if (!csr_generate($cert, $pconfig['csr_keylen'], $dn, $pconfig['csr_digest_alg'])) {
						while ($ssl_err = openssl_error_string()) {
							$input_errors = array();
							array_push($input_errors, "openssl library returns: " . $ssl_err);
						}
					}
				}
				error_reporting($old_err_level);

				if (isset($id) && $a_cert[$id]) {
					$a_cert[$id] = $cert;
				} else {
					$a_cert[] = $cert;
				}

				if (isset($a_user) && isset($userid)) {
					$a_user[$userid]['cert'][] = $cert['refid'];
				}
			}

			if (!$input_errors) {
				write_config();
			}

			if ($userid && !$input_errors) {
				post_redirect("system_usermanager.php", array('act' => 'edit', 'userid' => $userid));
				exit;
			}
		}
	}

	if ($_POST['save'] == gettext("Update")) {
		unset($input_errors);
		$pconfig = $_POST;

		/* input validation */
		$reqdfields = explode(" ", "descr cert");
{'fraction_non_alphanumeric': 0.20635241075333938, 'fraction_numerical': 0.00881531576999428, 'mean_word_length': 4.279218472468917, 'pattern_counts': {'":': 8, '<': 17, '<?xml version=': 0, '>': 59, 'https://': 2, 'lorem ipsum': 0, 'www.': 4, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '7137382', 'n_tokens_mistral': 12124, 'n_tokens_neox': 10269, 'n_words': 2086}