function login($username, $password)
{
$radius = radius_auth_open();
if (!radius_add_server($radius, RADIUS_HOST, RADIUS_PORT, RADIUS_SECRET, RADIUS_TIMEOUT, RADIUS_MAXTRIES)) {
die('Radius Error: ' . radius_strerror($radius));
}
if (!radius_create_request($radius, RADIUS_ACCESS_REQUEST)) {
die('Radius Error: ' . radius_strerror($radius));
}
radius_put_attr($radius, RADIUS_USER_NAME, $username);
radius_put_attr($radius, RADIUS_USER_PASSWORD, $password);
radius_put_attr($radius, RADIUS_NAS_IDENTIFIER, RADIUS_IDENTIFIER);
$response = radius_send_request($radius);
if ($response == RADIUS_ACCESS_ACCEPT) {
$_SESSION['loggedin'] = $username;
$_SESSION['userlevel'] = RADIUS_USERLEVEL;
//User level set in settings.php
return true;
} else {
if ($response == RADIUS_ACCESS_CHALLENGE) {
//Challenge
return false;
}
}
return false;
}
/**
* Retrieve and construct error strings
*/
function makeErrorText($extra = '')
{
$this->ErrorText = $extra . radius_strerror($this->connection);
if (!RADIUS_DEBUG) {
return;
}
$text = "<br />Server: {$this->server} Stored secret: " . radius_server_secret($this->connection) . " Port: {$this->port}";
$this->ErrorText .= $text;
}
public function checkPassword($login, $pass, $seed)
{
if (!extension_loaded('radius')) {
AJXP_Logger::logAction("RADIUS: php radius extension is missing, please install it.");
return false;
}
$res = radius_auth_open();
$this->prepareRequest($res, $login, $pass, $seed);
$req = radius_send_request($res);
if (!$req) {
AJXP_Logger::debug(__CLASS__, __FUNCTION__, "RADIUS: Could not send request (" . radius_strerror($res) . ")");
return false;
}
switch ($req) {
case RADIUS_ACCESS_ACCEPT:
AJXP_Logger::debug(__CLASS__, __FUNCTION__, "RADIUS: authentication for user \"" . $login . "\" successful");
radius_close($res);
return true;
case RADIUS_ACCESS_REJECT:
AJXP_Logger::logAction("RADIUS: authentication for user \"" . $login . "\" failed");
break;
default:
AJXP_Logger::debug(__CLASS__, __FUNCTION__, "RADIUS: unknwon return value " . $req);
break;
}
radius_close($res);
return false;
}
$raderr = "Error while preparing RADIUS authentication: " . radius_strerror($radres);
}
foreach ($radsrv as $rs) {
if (!radius_add_server($radres, $rs[0], $rs[1], $rs[2], $rs[3], $rs[4])) {
echo "<h4>RADIUS: " . radius_strerror($radres) . "</h4>";
}
}
if (!radius_create_request($radres, RADIUS_ACCESS_REQUEST)) {
$raderr = "RADIUS create: " . radius_strerror($radres);
}
if (!(radius_put_string($radres, RADIUS_USER_NAME, $user) && radius_put_string($radres, RADIUS_USER_PASSWORD, $_POST['pass']) && radius_put_string($radres, RADIUS_CALLING_STATION_ID, $_SERVER['REMOTE_ADDR']) && radius_put_addr($radres, RADIUS_NAS_IP_ADDRESS, $_SERVER['SERVER_ADDR']))) {
$raderr = "RADIUS put: " . radius_strerror($radres);
}
$radauth = radius_send_request($radres);
if (!$radauth) {
$raderr = "RADIUS send: " . radius_strerror($radres);
} else {
switch ($radauth) {
case RADIUS_ACCESS_ACCEPT:
$query = GenQuery('users', 's', '*', '', '', array('usrname'), array('='), array($user));
$res = DbQuery($query, $link);
$uok = DbNumRows($res);
break;
case RADIUS_ACCESS_REJECT:
$raderr = "Incorrect RADIUS login!";
break;
case RADIUS_ACCESS_CHALLENGE:
$raderr = "No RADIUS challenge handling yet!";
break;
default:
$raderr = "Unknown RADIUS error!";
/**
* Attempt to log in using the given username and password.
*
* @param string $username The username the user wrote.
* @param string $password The password the user wrote.
* @return array Associative array with the user's attributes.
*/
protected function login($username, $password)
{
assert('is_string($username)');
assert('is_string($password)');
$radius = radius_auth_open();
/* Try to add all radius servers, trigger a failure if no one works. */
$success = false;
foreach ($this->servers as $server) {
if (!isset($server['port'])) {
$server['port'] = 1812;
}
if (!radius_add_server($radius, $server['hostname'], $server['port'], $server['secret'], $this->timeout, $this->retries)) {
SimpleSAML\Logger::info("Could not add radius server: " . radius_strerror($radius));
continue;
}
$success = true;
}
if (!$success) {
throw new Exception('Error adding radius servers, no servers available');
}
if (!radius_create_request($radius, RADIUS_ACCESS_REQUEST)) {
throw new Exception('Error creating radius request: ' . radius_strerror($radius));
}
if ($this->realm === null) {
radius_put_attr($radius, RADIUS_USER_NAME, $username);
} else {
radius_put_attr($radius, RADIUS_USER_NAME, $username . '@' . $this->realm);
}
radius_put_attr($radius, RADIUS_USER_PASSWORD, $password);
if ($this->nasIdentifier !== null) {
radius_put_attr($radius, RADIUS_NAS_IDENTIFIER, $this->nasIdentifier);
}
$res = radius_send_request($radius);
if ($res != RADIUS_ACCESS_ACCEPT) {
switch ($res) {
case RADIUS_ACCESS_REJECT:
/* Invalid username or password. */
throw new SimpleSAML_Error_Error('WRONGUSERPASS');
case RADIUS_ACCESS_CHALLENGE:
throw new Exception('Radius authentication error: Challenge requested, but not supported.');
default:
throw new Exception('Error during radius authentication: ' . radius_strerror($radius));
}
}
/* If we get this far, we have a valid login. */
$attributes = array();
if ($this->usernameAttribute !== null) {
$attributes[$this->usernameAttribute] = array($username);
}
if ($this->vendor === null) {
/*
* We aren't interested in any vendor-specific attributes. We are
* therefore done now.
*/
return $attributes;
}
/* get AAI attribute sets. Contributed by Stefan Winter, (c) RESTENA */
while ($resa = radius_get_attr($radius)) {
if (!is_array($resa)) {
throw new Exception('Error getting radius attributes: ' . radius_strerror($radius));
}
/* Use the received user name */
if ($resa['attr'] == RADIUS_USER_NAME) {
$attributes[$this->usernameAttribute] = array($resa['data']);
continue;
}
if ($resa['attr'] !== RADIUS_VENDOR_SPECIFIC) {
continue;
}
$resv = radius_get_vendor_attr($resa['data']);
if (!is_array($resv)) {
throw new Exception('Error getting vendor specific attribute: ' . radius_strerror($radius));
}
$vendor = $resv['vendor'];
$attrv = $resv['attr'];
$datav = $resv['data'];
if ($vendor != $this->vendor || $attrv != $this->vendorType) {
continue;
}
$attrib_name = strtok($datav, '=');
$attrib_value = strtok('=');
/* if the attribute name is already in result set,
add another value */
if (array_key_exists($attrib_name, $attributes)) {
$attributes[$attrib_name][] = $attrib_value;
} else {
$attributes[$attrib_name] = array($attrib_value);
}
}
/* end of contribution */
return $attributes;
}
/**
* Autentica un usuario usando el adaptador
*
* @return boolean
*/
public function authenticate()
{
$radius = radius_auth_open();
if (!$radius) {
throw new KumbiaException("No se pudo crear el autenticador de Radius");
}
if (!radius_add_server($radius, $this->server, $this->port, $this->secret, $this->timeout, $this->max_retries)) {
throw new KumbiaException(radius_strerror($radius));
}
if (!radius_create_request($radius, RADIUS_ACCESS_REQUEST)) {
throw new KumbiaException(radius_strerror($radius));
}
if (!radius_put_string($radius, RADIUS_USER_NAME, $this->username)) {
throw new KumbiaException(radius_strerror($radius));
}
if (!radius_put_string($radius, RADIUS_USER_PASSWORD, $this->password)) {
throw new KumbiaException(radius_strerror($radius));
}
if (!radius_put_int($radius, RADIUS_AUTHENTICATE_ONLY, 1)) {
throw new KumbiaException(radius_strerror($radius));
}
$this->resource = $radius;
if (radius_send_request($radius) == RADIUS_ACCESS_ACCEPT) {
return true;
} else {
return false;
}
}
/**
* Returns an error message, if an error occurred.
*
* @access public
* @return string
*/
function getError()
{
return radius_strerror($this->res);
}
function authExternalUser($login, $password)
{
$res = radius_auth_open();
if (!radius_add_server($res, $this->config['radius_server'], $this->config['radius_port'], $this->config['sharedsecret'], 3, 3)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if (!radius_create_request($res, RADIUS_ACCESS_REQUEST)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if (!radius_put_string($res, RADIUS_NAS_IDENTIFIER, isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost')) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if (!radius_put_int($res, RADIUS_SERVICE_TYPE, RADIUS_FRAMED)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if (!radius_put_int($res, RADIUS_FRAMED_PROTOCOL, RADIUS_PPP)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if (!radius_put_string($res, RADIUS_CALLING_STATION_ID, isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : '127.0.0.1') == -1) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if (!radius_put_string($res, RADIUS_USER_NAME, $login)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if ($password) {
if (!radius_put_string($res, RADIUS_USER_PASSWORD, $password)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
}
if (!radius_put_int($res, RADIUS_SERVICE_TYPE, RADIUS_FRAMED)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
if (!radius_put_int($res, RADIUS_FRAMED_PROTOCOL, RADIUS_PPP)) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
$req = radius_send_request($res);
if (!$req) {
debug('RadiusError:' . radius_strerror($res) . "\n", 'auth');
return false;
}
$user = false;
switch ($req) {
case RADIUS_ACCESS_ACCEPT:
$userData = array();
$userData["name"] = $login;
$userData["newpass1"] = '!';
$userData["newpass2"] = '!';
$user = $this->storeExternalUser($login, $userData);
break;
case RADIUS_ACCESS_REJECT:
debug("RadiusError: Radius Request rejected\n", 'auth');
break;
default:
debug("RadiusError: Unknown answer\n", 'auth');
}
return $user;
}
/**
* authenticate user against radius
* @param $username username to authenticate
* @param $password user password
* @return bool authentication status
*/
public function authenticate($username, $password)
{
$this->lastAuthProperties = array();
// reset auth properties
$radius = radius_auth_open();
$error = null;
if (!radius_add_server($radius, $this->radiusHost, $this->authPort, $this->sharedSecret, $this->timeout, $this->maxRetries)) {
$error = radius_strerror($radius);
} elseif (!radius_create_request($radius, RADIUS_ACCESS_REQUEST)) {
$error = radius_strerror($radius);
} elseif (!radius_put_string($radius, RADIUS_USER_NAME, $username)) {
$error = radius_strerror($radius);
} elseif (!radius_put_int($radius, RADIUS_SERVICE_TYPE, RADIUS_LOGIN)) {
$error = radius_strerror($radius);
} elseif (!radius_put_int($radius, RADIUS_FRAMED_PROTOCOL, RADIUS_ETHERNET)) {
$error = radius_strerror($radius);
} elseif (!radius_put_string($radius, RADIUS_NAS_IDENTIFIER, $this->nasIdentifier)) {
$error = radius_strerror($radius);
} elseif (!radius_put_int($radius, RADIUS_NAS_PORT, 0)) {
$error = radius_strerror($radius);
} elseif (!radius_put_int($radius, RADIUS_NAS_PORT_TYPE, RADIUS_ETHERNET)) {
$error = radius_strerror($radius);
} else {
// Implement extra protocols in this section.
switch ($this->protocol) {
case 'PAP':
// do PAP authentication
if (!radius_put_string($radius, RADIUS_USER_PASSWORD, $password)) {
$error = radius_strerror($radius);
}
break;
default:
syslog(LOG_ERR, 'Unsupported protocol ' . $this->protocol);
return false;
}
}
// log errors and perform actual authentication request
if ($error != null) {
syslog(LOG_ERR, 'RadiusError:' . radius_strerror($error));
} else {
$request = radius_send_request($radius);
if (!$radius) {
syslog(LOG_ERR, 'RadiusError:' . radius_strerror($error));
} else {
switch ($request) {
case RADIUS_ACCESS_ACCEPT:
while ($resa = radius_get_attr($radius)) {
switch ($resa['attr']) {
case RADIUS_SESSION_TIMEOUT:
$this->lastAuthProperties['session_timeout'] = radius_cvt_int($resa['data']);
break;
case 85:
// Acct-Interim-Interval
$this->lastAuthProperties['Acct-Interim-Interval'] = radius_cvt_int($resa['data']);
break;
default:
break;
}
}
return true;
break;
case RADIUS_ACCESS_REJECT:
return false;
break;
default:
// unexpected result, log
syslog(LOG_ERR, 'Radius unexpected response:' . $request);
}
}
}
return false;
}
/**
* Find out if a set of login credentials are valid.
*
* @param string $username The userId to check.
* @param array $credentials An array of login credentials.
* For radius, this must contain a password
* entry.
*
* @throws Horde_Auth_Exception
*/
protected function _authenticate($username, $credentials)
{
/* Password is required. */
if (!isset($credentials['password'])) {
throw new Horde_Auth_Exception('Password required for RADIUS authentication.');
}
$res = radius_auth_open();
radius_add_server($res, $this->_params['host'], $this->_params['port'], $this->_params['secret'], $this->_params['timeout'], $this->_params['retries']);
radius_create_request($res, RADIUS_ACCESS_REQUEST);
radius_put_attr($res, RADIUS_NAS_IDENTIFIER, $this->_params['nas']);
radius_put_attr($res, RADIUS_NAS_PORT_TYPE, RADIUS_VIRTUAL);
radius_put_attr($res, RADIUS_SERVICE_TYPE, RADIUS_FRAMED);
radius_put_attr($res, RADIUS_FRAMED_PROTOCOL, RADIUS_PPP);
radius_put_attr($res, RADIUS_CALLING_STATION_ID, isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : '127.0.0.1');
/* Insert username/password into request. */
radius_put_attr($res, RADIUS_USER_NAME, $username);
radius_put_attr($res, RADIUS_USER_PASSWORD, $credentials['password']);
/* Send request. */
$success = radius_send_request($res);
switch ($success) {
case RADIUS_ACCESS_ACCEPT:
break;
case RADIUS_ACCESS_REJECT:
throw new Horde_Auth_Exception('Authentication rejected by RADIUS server.');
default:
throw new Horde_Auth_Exception(radius_strerror($res));
}
}
/**
* This is the main authentication function of the plugin. Given both the
* username and password it will make use of the options set to authenticate
* against the configured RADIUS servers.
*/
function checkLogin($user, $username, $password)
{
if (is_a($user, 'WP_User')) {
return $user;
}
if (empty($username)) {
return self::wp_error('empty_username', __('The username field is empty.'));
}
if (empty($password)) {
return self::wp_error('empty_password', __('The password field is empty.'));
}
$opts = TwoFactorRadiusAuth::getOptions();
// skip radius for user
if (@array_search($username, $opts['skip_users']) !== false) {
return;
}
remove_filter('authenticate', 'wp_authenticate_username_password', 20, 3);
$userdata = get_user_by('login', $username);
if (!$userdata) {
return self::wp_error('invalid_username', __('Invalid username.'));
}
if (is_multisite()) {
// Is user marked as spam?
if (1 == $userdata->spam) {
return self::wp_error('invalid_username', __('Your account has been marked as a spammer.'));
}
// Is a user's blog marked as spam?
if (!is_super_admin($userdata->ID) && isset($userdata->primary_blog)) {
$details = get_blog_details($userdata->primary_blog);
if (is_object($details) && $details->spam == 1) {
return self::wp_error('blog_suspended', __('Site Suspended.'));
}
}
}
$OTP = trim($_POST['otp']);
$radiuspass = $password;
if (!empty($OTP)) {
$radiuspass = $password . $opts['pwd_otp_sep'] . $OTP;
}
if (!function_exists('radius_auth_open')) {
return self::wp_error('missing_php_radius', 'Missing php-radius');
}
if (!TwoFactorRadiusAuth::isConfigured()) {
return self::wp_error('missing_plugin_settings', __('Missing auth server settings'));
}
$reply_message = '';
try {
$rad = radius_auth_open();
if (!radius_add_server($rad, $opts['s1_host'], $opts['s1_port'], $opts['s1_secr'], $opts['timeout'], $opts['max_tries'])) {
throw new Exception(radius_strerror($rad));
}
if (!empty($opts['s2_host']) && !empty($opts['s2_port']) && !empty($opts['s2_secr'])) {
if (!radius_add_server($rad, $opts['s2_host'], $opts['s2_port'], $opts['s2_secr'], $opts['timeout'], $opts['max_tries'])) {
throw new Exception(radius_strerror($rad));
}
}
if (!radius_create_request($rad, RADIUS_ACCESS_REQUEST)) {
throw new Exception(radius_strerror($rad));
}
if (!radius_put_string($rad, RADIUS_NAS_IDENTIFIER, '1')) {
throw new Exception(radius_strerror($rad));
}
if (!radius_put_int($rad, RADIUS_SERVICE_TYPE, RADIUS_FRAMED)) {
throw new Exception(radius_strerror($rad));
}
if (!radius_put_int($rad, RADIUS_FRAMED_PROTOCOL, RADIUS_PPP)) {
throw new Exception(radius_strerror($rad));
}
$station = isset($REMOTE_HOST) ? $REMOTE_HOST : '127.0.0.1';
if (!radius_put_string($rad, RADIUS_CALLING_STATION_ID, $station) == -1) {
throw new Exception(radius_strerror($rad));
}
if (!radius_put_string($rad, RADIUS_USER_NAME, $username)) {
throw new Exception(radius_strerror($rad));
}
if (!radius_put_string($rad, RADIUS_USER_PASSWORD, $radiuspass)) {
throw new Exception(radius_strerror($rad));
}
if (!radius_put_int($rad, RADIUS_SERVICE_TYPE, RADIUS_FRAMED)) {
throw new Exception(radius_strerror($rad));
}
if (!radius_put_int($rad, RADIUS_FRAMED_PROTOCOL, RADIUS_PPP)) {
throw new Exception(radius_strerror($rad));
}
$res = radius_send_request($rad);
if (!$res) {
throw new Exception(radius_strerror($rad));
}
while ($rattr = radius_get_attr($rad)) {
if ($rattr['attr'] == 18) {
$reply_message = $rattr['data'];
break;
}
}
} catch (Exception $exp) {
return self::wp_error('radius_error', $exp->getMessage());
}
switch ($res) {
case RADIUS_ACCESS_ACCEPT:
$userdata->user_pass = wp_hash_password($password);
return new WP_User($userdata->ID);
break;
case RADIUS_ACCESS_REJECT:
switch ($reply_message) {
case 'LDAP USER NOT FOUND':
if ($opts['use_wp_auth'] == 'on') {
add_filter('authenticate', 'wp_authenticate_username_password', 10, 3);
return null;
} else {
return self::wp_error('invalid_username', __('Unknown user'));
}
case 'INVALID OTP':
default:
return self::wp_error('incorrect_password', __('Wrong password/OTP'));
}
break;
default:
return self::wp_error('denied', __('Unknown error'));
}
}
/**
* Attempt to log in using the given username and password.
*
* @param string $username The username the user wrote.
* @param string $password The password the user wrote.
* @return array Associative array with the users attributes.
*/
protected function login($username, $password)
{
assert('is_string($username)');
assert('is_string($password)');
$radius = radius_auth_open();
if (!radius_add_server($radius, $this->hostname, $this->port, $this->secret, $this->timeout, $this->retries)) {
throw new Exception('Error connecting to radius server: ' . radius_strerror($radius));
}
if (!radius_create_request($radius, RADIUS_ACCESS_REQUEST)) {
throw new Exception('Error creating radius request: ' . radius_strerror($radius));
}
radius_put_attr($radius, RADIUS_USER_NAME, $username);
radius_put_attr($radius, RADIUS_USER_PASSWORD, $password);
if ($this->nasIdentifier != NULL) {
radius_put_attr($radius, RADIUS_NAS_IDENTIFIER, $this->nasIdentifier);
}
$res = radius_send_request($radius);
if ($res != RADIUS_ACCESS_ACCEPT) {
switch ($res) {
case RADIUS_ACCESS_REJECT:
/* Invalid username or password. */
throw new SimpleSAML_Error_Error('WRONGUSERPASS');
case RADIUS_ACCESS_CHALLENGE:
throw new Exception('Radius authentication error: Challenge requested, but not supported.');
default:
throw new Exception('Error during radius authentication: ' . radius_strerror($radius));
}
}
/* If we get this far, we have a valid login. */
$attributes = array();
if ($this->usernameAttribute !== NULL) {
$attributes[$this->usernameAttribute] = array($username);
}
if ($this->vendor === NULL) {
/*
* We aren't interrested in any vendor-specific attributes. We are
* therefore done now.
*/
return $attributes;
}
/* get AAI attribute sets. Contributed by Stefan Winter, (c) RESTENA */
while ($resa = radius_get_attr($radius)) {
if (!is_array($resa)) {
throw new Exception('Error getting radius attributes: ' . radius_strerror($radius));
}
if ($resa['attr'] !== RADIUS_VENDOR_SPECIFIC) {
continue;
}
$resv = radius_get_vendor_attr($resa['data']);
if (!is_array($resv)) {
throw new Exception('Error getting vendor specific attribute: ' . radius_strerror($radius));
}
$vendor = $resv['vendor'];
$attrv = $resv['attr'];
$datav = $resv['data'];
/*
* Uncomment this to debug vendor attributes.
*/
//printf("Got Vendor Attr:%d %d Bytes %s<br/>", $attrv, strlen($datav), bin2hex($datav));
if ($vendor != $this->vendor || $attrv != $this->vendorType) {
continue;
}
$attrib_name = strtok($datav, '=');
$attrib_value = strtok('=');
/* if the attribute name is already in result set, add another value */
if (array_key_exists($attrib_name, $attributes)) {
$attributes[$attrib_name][] = $attrib_value;
} else {
$attributes[$attrib_name] = array($attrib_value);
}
}
/* end of contribution */
return $attributes;
}
/**
* Authenticate the configured user
*
* @return Zend\Authentication\Result
*/
public function authenticate()
{
//Create RADIUS request
radius_create_request($this->radius, RADIUS_ACCESS_REQUEST);
if ($this->getUsername()) {
radius_put_attr($this->radius, RADIUS_USER_NAME, $this->getUsername() . $this->getAuthenticationRealm());
}
if ($this->getPassword()) {
radius_put_attr($this->radius, RADIUS_USER_PASSWORD, $this->getPassword());
}
//Send
$result = radius_send_request($this->radius);
switch ($result) {
case RADIUS_ACCESS_ACCEPT:
return new Authentication\Result(Authentication\Result::SUCCESS, $this->getUsername());
case RADIUS_ACCESS_REJECT:
return new Authentication\Result(Authentication\Result::FAILURE_CREDENTIAL_INVALID, $this->getUsername(), array(radius_strerror($this->radius)));
default:
var_dump($result);
# don't do this!
return new Authentication\Result(Authentication\Result::FAILURE_UNCATEGORIZED, $this->getUsername(), array(radius_strerror($this->radius)));
}
}
/**
* Check username and password against RADIUS authentication backend.
*
* @param string $username User name to check
* @param string $password User password to check
* @return int Authentication success (0 = fail, 1 = success) FIXME bool
*/
function radius_authenticate($username, $password)
{
global $config, $rad;
radius_init();
if ($username && $rad) {
//print_vars(radius_server_secret($rad));
radius_create_request($rad, RADIUS_ACCESS_REQUEST);
radius_put_attr($rad, RADIUS_USER_NAME, $username);
switch (strtolower($config['auth_radius_method'])) {
// CHAP-MD5 see RFC1994
case 'chap':
case 'chap_md5':
$chapid = 1;
// Specify a CHAP identifier
//$challenge = mt_rand(); // Generate a challenge
//$cresponse = md5(pack('Ca*', $chapid, $password.$challenge), TRUE);
new Crypt_CHAP();
// Pre load class
$crpt = new Crypt_CHAP_MD5();
$crpt->password = $password;
$challenge = $crpt->challenge;
$resp_md5 = $crpt->challengeResponse();
$resp = pack('C', $chapid) . $resp_md5;
radius_put_attr($rad, RADIUS_CHAP_PASSWORD, $resp);
// Add the Chap-Password attribute
radius_put_attr($rad, RADIUS_CHAP_CHALLENGE, $challenge);
// Add the Chap-Challenge attribute.
break;
// MS-CHAPv1 see RFC2433
// MS-CHAPv1 see RFC2433
case 'mschapv1':
$chapid = 1;
// Specify a CHAP identifier
$flags = 1;
// 0 = use LM-Response, 1 = use NT-Response (we not use old LM)
new Crypt_CHAP();
// Pre load class
$crpt = new Crypt_CHAP_MSv1();
$crpt->password = $password;
$challenge = $crpt->challenge;
$resp_lm = str_repeat("", 24);
$resp_nt = $crpt->challengeResponse();
$resp = pack('CC', $chapid, $flags) . $resp_lm . $resp_nt;
radius_put_vendor_attr($rad, RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_RESPONSE, $resp);
radius_put_vendor_attr($rad, RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $challenge);
break;
// MS-CHAPv2 see RFC2759
// MS-CHAPv2 see RFC2759
case 'mschapv2':
$chapid = 1;
// Specify a CHAP identifier
$flags = 1;
// 0 = use LM-Response, 1 = use NT-Response (we not use old LM)
new Crypt_CHAP();
// Pre load class
$crpt = new Crypt_CHAP_MSv2();
$crpt->username = $username;
$crpt->password = $password;
$challenge = $crpt->authChallenge;
$challenge_p = $crpt->peerChallenge;
$resp_nt = $crpt->challengeResponse();
// Response: chapid, flags (1 = use NT Response), Peer challenge, reserved, Response
$resp = pack('CCa16a8a24', $chapid, $flags, $challenge_p, str_repeat("", 8), $resp_nt);
radius_put_vendor_attr($rad, RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP2_RESPONSE, $resp);
radius_put_vendor_attr($rad, RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $challenge);
break;
// PAP (Plaintext)
// PAP (Plaintext)
default:
radius_put_attr($rad, RADIUS_USER_PASSWORD, $password);
}
// Puts standard attributes
$radius_ip = get_ip_version($config['auth_radius_nas_address']) ? $config['auth_radius_nas_address'] : $_SERVER['SERVER_ADDR'];
if (get_ip_version($radius_ip) == 6) {
// FIXME, not sure that this work correctly
radius_put_attr($rad, RADIUS_NAS_IPV6_ADDRESS, $radius_ip);
} else {
radius_put_addr($rad, RADIUS_NAS_IP_ADDRESS, $radius_ip);
}
$radius_id = empty($config['auth_radius_id']) ? get_localhost() : $config['auth_radius_id'];
radius_put_attr($rad, RADIUS_NAS_IDENTIFIER, $radius_id);
//radius_put_attr($rad, RADIUS_NAS_PORT_TYPE, RADIUS_VIRTUAL);
//radius_put_attr($rad, RADIUS_SERVICE_TYPE, RADIUS_FRAMED);
//radius_put_attr($rad, RADIUS_FRAMED_PROTOCOL, RADIUS_PPP);
radius_put_attr($rad, RADIUS_CALLING_STATION_ID, isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '127.0.0.1');
$response = radius_send_request($rad);
//print_vars($response);
switch ($response) {
case RADIUS_ACCESS_ACCEPT:
// An Access-Accept response to an Access-Request indicating that the RADIUS server authenticated the user successfully.
//echo 'Authentication successful';
return 1;
break;
case RADIUS_ACCESS_REJECT:
// An Access-Reject response to an Access-Request indicating that the RADIUS server could not authenticate the user.
//echo 'Authentication failed';
break;
case RADIUS_ACCESS_CHALLENGE:
// An Access-Challenge response to an Access-Request indicating that the RADIUS server requires further information
// in another Access-Request before authenticating the user.
//echo 'Challenge required';
break;
default:
print_error('A RADIUS error has occurred: ' . radius_strerror($rad));
}
}
//session_logout();
return 0;
}
$authlogattr = $config->getValue('statistics.authlogattr', null);
if ($authlogattr && array_key_exists($authlogattr, $attributes)) {
SimpleSAML_Logger::stats('AUTH-login-radius OK ' . $attributes[$authlogattr][0]);
} else {
SimpleSAML_Logger::stats('AUTH-login-radius OK');
}
SimpleSAML_Utilities::redirectTrustedURL($relaystate);
case RADIUS_ACCESS_REJECT:
SimpleSAML_Logger::info('AUTH - radius: ' . $_POST['username'] . ' failed to authenticate');
throw new Exception('Radius authentication error: Bad credentials ');
break;
case RADIUS_ACCESS_CHALLENGE:
SimpleSAML_Logger::critical('AUTH - radius: Challenge requested: ' . radius_strerror($radius));
throw new Exception('Radius authentication error: Challenge requested');
break;
default:
SimpleSAML_Logger::critical('AUTH -radius: General radius error: ' . radius_strerror($radius));
throw new Exception('Error during radius authentication: ' . radius_strerror($radius));
}
} catch (Exception $e) {
$error = $e->getMessage();
}
}
$t = new SimpleSAML_XHTML_Template($config, 'login.php', 'login');
$t->data['header'] = 'simpleSAMLphp: Enter username and password';
$t->data['relaystate'] = $relaystate;
$t->data['error'] = $error;
if (isset($error)) {
$t->data['username'] = $_POST['username'];
}
$t->show();
// RADIUS_AUTH_RADIUS => authenticated via Radius
// RADIUS_AUTH_LOCAL => authenicated local
// RADIUS_AUTH_REMOTE => authenticated remote
if (!radius_put_int($res, RADIUS_ACCT_AUTHENTIC, RADIUS_AUTH_LOCAL)) {
echo 'RadiusError:' . radius_strerror($res) . "\n<br>";
exit;
}
sleep(3);
// if RADIUS_ACCT_STATUS_TYPE == RADIUS_STOP
if (!radius_put_int($res, RADIUS_ACCT_TERMINATE_CAUSE, RADIUS_TERM_USER_REQUEST)) {
echo 'RadiusError2:' . radius_strerror($res) . "\n<br>";
exit;
}
if (!radius_put_int($res, RADIUS_ACCT_SESSION_TIME, time() - $starttime)) {
echo 'RadiusError:' . radius_strerror($res) . "\n<br>";
exit;
}
// endif
$req = radius_send_request($res);
if (!$req) {
echo 'RadiusError:' . radius_strerror($res) . "\n<br>";
exit;
}
switch ($req) {
case RADIUS_ACCOUNTING_RESPONSE:
echo "Radius Accounting response<br>\n";
break;
default:
echo "Unexpected return value:{$req}\n<br>";
}
radius_close($res);
/**
* Perform authentication using a RADIUS server.
*
* @param Mfa_OtpdeviceDao $otpDevice
* @param Mfa_ApitokenDao $token
* @throws Zend_Exception
*/
protected function _radiusauth($otpDevice, $token)
{
/** @var SettingModel $settingModel */
$settingModel = MidasLoader::loadModel('Setting');
$radiusserver = $settingModel->GetValueByName('radiusServer', 'mfa');
$radiusport = $settingModel->GetValueByName('radiusPort', 'mfa');
$radiuspw = $settingModel->GetValueByName('radiusPassword', 'mfa');
$radiusTimeout = $settingModel->GetValueByName('radiusTimeout', 'mfa');
$radiusMaxTries = $settingModel->GetValueByName('radiusMaxTries', 'mfa');
if (!function_exists('radius_auth_open')) {
throw new Zend_Exception('RADIUS is not enabled on the server');
}
$this->getLogger()->debug('Midas Server RADIUS trying to authenticate user: '******'Cannot connect to the RADIUS server: ' . radius_strerror($rh));
}
if (!radius_create_request($rh, RADIUS_ACCESS_REQUEST)) {
throw new Zend_Exception('Cannot process requests to RADIUS server: ' . radius_strerror($rh));
}
/* this is the key parameter */
radius_put_attr($rh, RADIUS_USER_NAME, $otpDevice->getSecret());
/* this is the one time pin + 6-digit hard token or 8 digit smart token */
radius_put_attr($rh, RADIUS_USER_PASSWORD, $token);
switch (radius_send_request($rh)) {
case RADIUS_ACCESS_ACCEPT:
$this->getLogger()->debug('Midas Server RADIUS successful authentication ' . 'for ' . $otpDevice->getSecret());
return true;
case RADIUS_ACCESS_REJECT:
$this->getLogger()->info('Midas Server RADIUS failed authentication for ' . $otpDevice->getSecret());
return false;
case RADIUS_ACCESS_CHALLENGE:
$this->getLogger()->info('Midas Server RADIUS challenge requested for ' . $otpDevice->getSecret());
return false;
default:
$this->getLogger()->info('Midas Server RADIUS error during authentication ' . 'for ' . $otpDevice->getSecret() . ' with Token: ' . $token . '. Error: ' . radius_strerror($rh));
throw new Zend_Exception('Error during RADIUS authentication: ' . radius_strerror($rh));
}
}