PluggableAuth crashes if the entered password was wrong

[Adrian Liechti]

Fix ("/PluggableAuth/includes/AUTH_login.class.php", line 83):

/**
 * @author Adrian Liechti
 * If the Passwort does not have a length of 32 chars, it must be a Source.
 *
 * If the Password does have a length of 32 chars, the login has failed
 * because it was checked before, it has to be a wrong Password.
 *
 * @important This means that a Source must not have a name with a lengt of 32 chars.
 */
if (strlen($source) !== 32) {
 $plugin = $this->getAuthPlugin($source);
 if ($plugin->lookupUser(array('username' => $username, 'password' => $password))) {
  return $user;
 }
}

[Greg (gregfr)]

In fact the problem was a typo:
if (is_a($auth, 'iAUTH_plugin') && ($plugin->lookupUser(array('username' => $username, 'password' => $password)))) {
instead of
if (is_a($plugin, 'iAUTH_plugin') && ($plugin->lookupUser(array('username' => $username, 'password' => $password)))) {

Fixed at rev 910.