- don't set password via remoting if field is empty

Marius Cramer

2015-08-06 37b29231e47a0c4458dc1c15d98588f16f07e1e2

 interface/web/login/index.php

@@ -32,93 +32,327 @@

class login_index {

public $status = '';
private $target = '';
   public $status = '';
   private $target = '';
   private $app;
   private $conf;

public function render() {
   if(isset($_SESSION['s']['user']) && is_array($_SESSION['s']['user']) && is_array($_SESSION['s']['module'])) {
      die('HEADER_REDIRECT:'.$_SESSION['s']['module']['startpage']);
   }
	
   global $app;
   $app->uses('tpl');
   $app->tpl->newTemplate('form.tpl.htm');
    
    $error = '';    
   public function render() {

      global $app, $conf;

   //* Login Formular wurde abgesandt
   if(count($_POST) > 0) {
   //die('Hier');
        // importiere Variablen
        $username = $app->db->quote($_POST['username']);
        $passwort = $app->db->quote($_POST['passwort']);
      /* Redirect to page, if login form was NOT send */
      if(count($_POST) == 0) {
         if(isset($_SESSION['s']['user']) && is_array($_SESSION['s']['user']) && is_array($_SESSION['s']['module'])) {
            die('HEADER_REDIRECT:'.$_SESSION['s']['module']['startpage']);
         }
      }

        if($username != '' and $passwort != '') {
                $sql = "SELECT * FROM sys_user WHERE USERNAME = '$username' and ( PASSWORT = '".md5($passwort)."' or PASSWORT = password('$passwort') )";
                if($user = $app->db->queryOneRecord($sql)) {
                        if($user['active'] == 1) {
                                $user = $app->db->toLower($user);
                                $_SESSION = array();
                                $_SESSION['s']['user'] = $user;
                                $_SESSION['s']['user']['theme'] = $user['app_theme'];
                                $_SESSION['s']['language'] = $user['language'];
      $app->uses('tpl');
      $app->tpl->newTemplate('form.tpl.htm');

      $error = '';

      $app->load_language_file('web/login/lib/lang/'.$conf["language"].'.lng');

      // Maintenance mode
      $maintenance_mode = false;
      $maintenance_mode_error = '';
      $app->uses('ini_parser,getconf');
      $server_config_array = $app->getconf->get_global_config('misc');
      if($server_config_array['maintenance_mode'] == 'y'){
         $maintenance_mode = true;
         $maintenance_mode_error = $app->lng('error_maintenance_mode');
      }

      //* Login Form was sent
      if(count($_POST) > 0) {

         //** Check variables
         if(!preg_match("/^[\w\.\-\_\@]{1,128}$/", $_POST['username'])) $error = $app->lng('user_regex_error');
         if(!preg_match("/^.{1,64}$/i", $_POST['passwort'])) $error = $app->lng('pw_error_length');

         //** iporting variables
         $ip    = ip2long($_SERVER['REMOTE_ADDR']);
         $username = $_POST['username'];
         $passwort = $_POST['passwort'];
         $loginAs  = false;
         $time = time();

         if($username != '' && $passwort != '' && $error == '') {
            /*
             *  Check, if there is a "login as" instead of a "normal" login
             */
            if (isset($_SESSION['s']['user']) && $_SESSION['s']['user']['active'] == 1){
               /*
                * only the admin or reseller can "login as" so if the user is NOT an admin or reseller, we
                * open the startpage (after killing the old session), so the user
                * is logout and has to start again!
                */
               if ($_SESSION['s']['user']['typ'] != 'admin' && !$app->auth->has_clients($_SESSION['s']['user']['userid'])) {
                  /*
                   * The actual user is NOT a admin or reseller, but maybe he
                   * has logged in as "normal" user before...
                   */
						
                  if (isset($_SESSION['s_old'])&& ($_SESSION['s_old']['user']['typ'] == 'admin' || $app->auth->has_clients($_SESSION['s_old']['user']['userid']))){
                     /* The "old" user is admin or reseller, so everything is ok
                      * if he is reseller, we need to check if he logs in to one of his clients
                      */
                     if($_SESSION['s_old']['user']['typ'] != 'admin') {
								
                        /* this is the one currently logged in (normal user) */
                        $old_client_group_id = $app->functions->intval($_SESSION["s"]["user"]["default_group"]);
                        $old_client = $app->db->queryOneRecord("SELECT client.client_id, client.parent_client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $old_client_group_id);
								
                        /* this is the reseller, that shall be re-logged in */
                        $sql = "SELECT * FROM sys_user WHERE USERNAME = ? and PASSWORT = ?";
                        $tmp = $app->db->queryOneRecord($sql, $username, $passwort);
                        $client_group_id = $app->functions->intval($tmp['default_group']);
                        $tmp_client = $app->db->queryOneRecord("SELECT client.client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $client_group_id);
								
                        if(!$tmp_client || $old_client["parent_client_id"] != $tmp_client["client_id"] || $tmp["default_group"] != $_SESSION["s_old"]["user"]["default_group"] ) {
                           die("You don't have the right to 'login as' this user!");
                        }
                        unset($old_client);
                        unset($tmp_client);
                        unset($tmp);
                     }
                  }
                  else {
                     die("You don't have the right to 'login as'!");
                  }
               } elseif($_SESSION['s']['user']['typ'] != 'admin' && (!isset($_SESSION['s_old']['user']) || $_SESSION['s_old']['user']['typ'] != 'admin')) {
                  /* a reseller wants to 'login as', we need to check if he is allowed to */
                  $res_client_group_id = $app->functions->intval($_SESSION["s"]["user"]["default_group"]);
                  $res_client = $app->db->queryOneRecord("SELECT client.client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $res_client_group_id);
						
                  /* this is the user the reseller wants to 'login as' */
                  $sql = "SELECT * FROM sys_user WHERE USERNAME = ? and PASSWORT = ?";
                  $tmp = $app->db->queryOneRecord($sql, $username, $passwort);
                  $tmp_client = $app->db->queryOneRecord("SELECT client.client_id, client.parent_client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $tmp["default_group"]);
						
                  if(!$tmp || $tmp_client["parent_client_id"] != $res_client["client_id"]) {
                     die("You don't have the right to login as this user!");
                  }
                  unset($res_client);
                  unset($tmp);
                  unset($tmp_client);
               }
               $loginAs = true;
            }
            else {
               /* normal login */
               $loginAs = false;
            }

            //* Check if there are already wrong logins
            $sql = "SELECT * FROM `attempts_login` WHERE `ip`= ? AND  `login_time` > (NOW() - INTERVAL 1 MINUTE) LIMIT 1";
            $alreadyfailed = $app->db->queryOneRecord($sql, $ip);
            //* too many failedlogins
            if($alreadyfailed['times'] > 5) {
               $error = $app->lng('error_user_too_many_logins');
            } else {

               if ($loginAs){
                  $sql = "SELECT * FROM sys_user WHERE USERNAME = ? and PASSWORT = ?";
                  $user = $app->db->queryOneRecord($sql, $username, $passwort);
               } else {
                  if(stristr($username, '@')) {
                     //* mailuser login
                     $sql = "SELECT * FROM mail_user WHERE login = ? or email = ?";
                     $mailuser = $app->db->queryOneRecord($sql, $username, $username);
                     $user = false;
                     if($mailuser) {
                        $saved_password = stripslashes($mailuser['password']);
                        $salt = '$1$'.substr($saved_password, 3, 8).'$';
                        //* Check if mailuser password is correct
                        if(crypt(stripslashes($passwort), $salt) == $saved_password) {
                           //* we build a fake user here which has access to the mailuser module only and userid 0
                           $user = array();
                           $user['userid'] = 0;
                           $user['active'] = 1;
                           $user['startmodule'] = 'mailuser';
                           $user['modules'] = 'mailuser';
                           $user['typ'] = 'user';
                           $user['email'] = $mailuser['email'];
                           $user['username'] = $username;
                           $user['language'] = $conf['language'];
                           $user['theme'] = $conf['theme'];
                           $user['app_theme'] = $conf['theme'];
                           $user['mailuser_id'] = $mailuser['mailuser_id'];
                           $user['default_group'] = $mailuser['sys_groupid'];
                        }
                     }

                  } else {
                     //* normal cp user login
                     $sql = "SELECT * FROM sys_user WHERE USERNAME = ?";
                     $user = $app->db->queryOneRecord($sql, $username);

                     if($user) {
                        $saved_password = stripslashes($user['passwort']);

                        if(substr($saved_password, 0, 3) == '$1$') {
                           //* The password is crypt-md5 encrypted
                           $salt = '$1$'.substr($saved_password, 3, 8).'$';

                           if(crypt(stripslashes($passwort), $salt) != $saved_password) {
                              $user = false;
                           }
                        } elseif(substr($saved_password, 0, 3) == '$5$') {
                           //* The password is crypt-sha256 encrypted
                           $salt = '$5$'.substr($saved_password, 3, 16).'$';

                           if(crypt(stripslashes($passwort), $salt) != $saved_password) {
                              $user = false;
                           }
                        } else {

                           //* The password is md5 encrypted
                           if(md5($passwort) != $saved_password) {
                              $user = false;
                           }
                        }
                     } else {
                        $user = false;
                     }
                  }
               }

               if($user) {
                  if($user['active'] == 1) {
                     // Maintenance mode - allow logins only when maintenance mode is off or if the user is admin
                     if(!$maintenance_mode || $user['typ'] == 'admin'){
                        // User login right, so attempts can be deleted
                        $sql = "DELETE FROM `attempts_login` WHERE `ip`=?";
                        $app->db->query($sql, $ip);
                        $user = $app->db->toLower($user);

                        if ($loginAs) $oldSession = $_SESSION['s'];
                        session_regenerate_id();
                        $_SESSION = array();
                        if ($loginAs) $_SESSION['s_old'] = $oldSession; // keep the way back!
                        $_SESSION['s']['user'] = $user;
                        $_SESSION['s']['user']['theme'] = isset($user['app_theme']) ? $user['app_theme'] : 'default';
                        $_SESSION['s']['language'] = $user['language'];
                        $_SESSION["s"]['theme'] = $_SESSION['s']['user']['theme'];
                        
                        if(is_file($_SESSION['s']['user']['startmodule'].'/lib/module.conf.php')) {
                           include_once($_SESSION['s']['user']['startmodule'].'/lib/module.conf.php');
                           include_once $_SESSION['s']['user']['startmodule'].'/lib/module.conf.php';
                           $menu_dir = ISPC_WEB_PATH.'/' . $_SESSION['s']['user']['startmodule'] . '/lib/menu.d';

                           if (is_dir($menu_dir)) {
                              if ($dh = opendir($menu_dir)) {
                                 //** Go through all files in the menu dir
                                 while (($file = readdir($dh)) !== false) {
                                    if ($file != '.' && $file != '..' && substr($file, -9, 9) == '.menu.php' && $file != 'dns_resync.menu.php') {
                                       include_once $menu_dir . '/' . $file;
                                    }
                                 }
                              }
                           }
                           $_SESSION['s']['module'] = $module;
                        }

                                //$site = $app->db->queryOneRecord("SELECT * FROM mb_sites WHERE name = '".$user["site_preset"]."'");
                                //$_SESSION["s"]["site"] = $site;
																
                        //header ("HTTP/1.0 307 Temporary redirect");
                        //header("Location: http://localhost:8080/ispconfig3_export/interface/web/admin/index.php");
																
                                /*header("Location: ../capp.php?mod=".$user["startmodule"]."&phpsessid=".$_SESSION["s"]["id"]);*/
                        //header('Content-type: text/javascript');
                        /*echo "<script language=\"javascript\" type=\"text/javascript\">loadContent('admin/users_list.php','')</script>";*/
                        //$this->status = 'REDIRECT';
                        //$this->target = 'admin:index';
                        //return '';
								
                        echo 'HEADER_REDIRECT:'.$_SESSION['s']['module']['startpage'];
                        //echo 'HEADER_REDIRECT:content.php?s_mod=admin&s_pg=index';
                                exit;
                        } else {
                                $error = $app->lng(1003);
                        }
                } else {
                        // Username oder Passwort falsch
                        $error = $app->lng(1002);
                        if($app->db->errorMessage != '') $error .= '<br>'.$app->db->errorMessage != '';
                }
        } else {
                // Username oder Passwort leer
                $error = $app->lng(1001);
        }
   }
   if($error != ''){
        $error = '<table width="100%" border="0" cellspacing="0" cellpadding="2">
      <tr>
      <td class="error"><b>Error:</b><br>'.$error.'</td>
      </tr>
      </table>';
   }
                        // check if the user theme is valid
                        if($_SESSION['s']['user']['theme'] != 'default') {
                           $tmp_path = ISPC_THEMES_PATH."/".$_SESSION['s']['user']['theme'];
                           if(!@is_dir($tmp_path) || !@file_exists($tmp_path."/ispconfig_version") || trim(file_get_contents($tmp_path."/ispconfig_version")) != ISPC_APP_VERSION) {
                              // fall back to default theme if this one is not compatible with current ispc version
                              $_SESSION['s']['user']['theme'] = 'default';
                              $_SESSION['s']['theme'] = 'default';
                              $_SESSION['show_error_msg'] = $app->lng('theme_not_compatible');
                           }
                        }

                        $app->plugin->raiseEvent('login', $this);

                        //* Save successfull login message to var
                        $authlog = 'Successful login for user \''. $username .'\' from '. long2ip($ip) .' at '. date('Y-m-d H:i:s');
                        $authlog_handle = fopen($conf['ispconfig_log_dir'].'/auth.log', 'a');
                        fwrite($authlog_handle, $authlog ."\n");
                        fclose($authlog_handle);

   $app->tpl->setVar('error', $error);
   $app->tpl->setInclude('content_tpl','login/templates/index.htm');
   $app->tpl_defaults();
   //$app->tpl->pparse();
	
   $this->status = 'OK';
	
   return $app->tpl->grab();
	
} // << end function
                        /*
                        * We need LOGIN_REDIRECT instead of HEADER_REDIRECT to load the
                        * new theme, if the logged-in user has another
                        */
                        echo 'LOGIN_REDIRECT:'.$_SESSION['s']['module']['startpage'];

                        exit;
                     }
                  } else {
                     $error = $app->lng('error_user_blocked');
                  }

               } else {
                  if(!$alreadyfailed['times'] )
                  {
                     //* user login the first time wrong
                     $sql = "INSERT INTO `attempts_login` (`ip`, `times`, `login_time`) VALUES (?, 1, NOW())";
                     $app->db->query($sql, $ip);
                  } elseif($alreadyfailed['times'] >= 1) {
                     //* update times wrong
                     $sql = "UPDATE `attempts_login` SET `times`=`times`+1, `login_time`=NOW() WHERE `ip` = ? AND `login_time` < NOW() ORDER BY `login_time` DESC LIMIT 1";
                     $app->db->query($sql, $ip);
                  }
                  //* Incorrect login - Username and password incorrect
                  $error = $app->lng('error_user_password_incorrect');
                  if($app->db->errorMessage != '') $error .= '<br />'.$app->db->errorMessage != '';

                  $app->plugin->raiseEvent('login_failed', $this);

                  //* Save failed login message to var
                  $authlog = 'Failed login for user \''. $username .'\' from '. long2ip($ip) .' at '. date('Y-m-d H:i:s');
                  $authlog_handle = fopen($conf['ispconfig_log_dir'].'/auth.log', 'a');
                  fwrite($authlog_handle, $authlog ."\n");
                  fclose($authlog_handle);
               }
            }

         } else {
            //* Username or password empty
            if($error == '') $error = $app->lng('error_user_password_empty');

            $app->plugin->raiseEvent('login_empty', $this);
         }
      }

      // Maintenance mode - show message when people try to log in and also when people are forcedly logged off
      if($maintenance_mode_error != '') $error = '<strong>'.$maintenance_mode_error.'</strong><br><br>'.$error;
      if($error != ''){
         $error = '<div class="box box_error">'.$error.'</div>';
      }
		
      $app->load('getconf');

      $security_config = $app->getconf->get_security_config('permissions');
      if($security_config['password_reset_allowed'] == 'yes') {
         $app->tpl->setVar('pw_lost_show', 1);
      } else {
         $app->tpl->setVar('pw_lost_show', 0);
      }
		
      $app->tpl->setVar('error', $error);
      $app->tpl->setVar('error_txt', $app->lng('error_txt'));
      $app->tpl->setVar('login_txt', $app->lng('login_txt'));
      $app->tpl->setVar('pw_lost_txt', $app->lng('pw_lost_txt'));
      $app->tpl->setVar('username_txt', $app->lng('username_txt'));
      $app->tpl->setVar('password_txt', $app->lng('password_txt'));
      $app->tpl->setVar('stay_logged_in_txt', $app->lng('stay_logged_in_txt'));
      $app->tpl->setVar('login_button_txt', $app->lng('login_button_txt'));
      $app->tpl->setVar('session_timeout', $server_config_array['session_timeout']);
      $app->tpl->setVar('session_allow_endless', $server_config_array['session_allow_endless']);
      $app->tpl->setInclude('content_tpl', 'login/templates/index.htm');
      $app->tpl_defaults();

      $this->status = 'OK';

      return $app->tpl->grab();

   } // << end function

} // << end class

?>
?>