Implemented FS#1448 - one database user name and multiple databases Bugfi...

mcramer

2012-08-21 381520c8866a5f3be7e743e3ae16b6fb2988c495

 server/plugins-available/mysql_clientdb_plugin.inc.php

@@ -1,7 +1,7 @@
<?php

/*
Copyright (c) 2008, Till Brehm, projektfarm Gmbh
Copyright (c) 2007, Till Brehm, projektfarm Gmbh
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
@@ -28,10 +28,23 @@
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

class mysql_clientdb {
class mysql_clientdb_plugin {
   
   var $plugin_name = 'mysql_clientdb';
   var $class_name  = 'mysql_clientdb';
   var $plugin_name = 'mysql_clientdb_plugin';
   var $class_name  = 'mysql_clientdb_plugin';
	
   //* This function is called during ispconfig installation to determine
   //  if a symlink shall be created for this plugin.
   function onInstall() {
      global $conf;
		
      if($conf['services']['db'] == true) {
         return true;
      } else {
         return false;
      }
		
   }
   
      
   /*
@@ -45,102 +58,254 @@
      Register for the events
      */
      
      //* Mailboxes
      //* Databases
      $app->plugins->registerEvent('database_insert',$this->plugin_name,'db_insert');
      $app->plugins->registerEvent('database_update',$this->plugin_name,'db_update');
      $app->plugins->registerEvent('database_delete',$this->plugin_name,'db_delete');
      
      //* Database users
      $app->plugins->registerEvent('database_user_insert',$this->plugin_name,'db_user_insert');
      $app->plugins->registerEvent('database_user_update',$this->plugin_name,'db_user_update');
      $app->plugins->registerEvent('database_user_delete',$this->plugin_name,'db_user_delete');
		
      
   }
   
  function process_host_list($action, $database_name, $database_user, $database_password, $host_list, $link, $database_rename_user = '', $user_read_only = false) {
      global $app;
      
      $action = strtoupper($action);
      
      // set to all hosts if none given
      if(trim($host_list) == '') $host_list = '%';
      
      // process arrays and comma separated strings
      if(!is_array($host_list)) $host_list = explode(',', $host_list);
      
      $success = true;
      
      // loop through hostlist
      foreach($host_list as $db_host) {
          $db_host = trim($db_host);
          
          // check if entry is valid ip address
          $valid = true;
        if($db_host == '%') {
           $valid = true;
        } elseif(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $db_host)) {
              $groups = explode('.', $db_host);
              foreach($groups as $group){
                if($group<0 OR $group>255)
                $valid=false;
              }
          } else {
              $valid = false;
          }
          
          if($valid == false) continue;
          
          if($action == 'GRANT') {
              if(!$link->query("GRANT " . ($user_read_only ? "SELECT" : "ALL") . " ON ".$link->escape_string($database_name).".* TO '".$link->escape_string($database_user)."'@'$db_host' IDENTIFIED BY PASSWORD '".$link->escape_string($database_password)."';")) $success = false;
          } elseif($action == 'REVOKE') {
              if(!$link->query("REVOKE ALL PRIVILEGES ON ".$link->escape_string($database_name).".* FROM '".$link->escape_string($database_user)."'@'$db_host' IDENTIFIED BY PASSWORD '".$link->escape_string($database_password)."';")) $success = false;
          } elseif($action == 'DROP') {
              if(!$link->query("DROP USER '".$link->escape_string($database_user)."'@'$db_host';")) $success = false;
          } elseif($action == 'RENAME') {
              if(!$link->query("RENAME USER '".$link->escape_string($database_user)."'@'$db_host' TO '".$link->escape_string($database_rename_user)."'@'$db_host'")) $success = false;
          } elseif($action == 'PASSWORD') {
              if(!$link->query("SET PASSWORD FOR '".$link->escape_string($database_user)."'@'$db_host' = '".$link->escape_string($database_password)."';")) $success = false;
          }
      }
      
      return $success;
  }
   
   function db_insert($event_name,$data) {
      global $app, $conf;
      
      if($data["new"]["type"] == 'mysql') {
         if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
      if($data['new']['type'] == 'mysql') {
         if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
            $app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
            return;
         }
		
			
         //* Connect to the database
         $link = mysql_connect($clientdb_host, $clientdb_user, $clientdb_password);
         if (!$link) {
            $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
         $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
         if ($link->connect_error) {
            $app->log('Unable to connect to mysql'.$link->connect_error,LOGLEVEL_ERROR);
            return;
         }
		

         // Charset for the new table
         if($data['new']['database_charset'] != '') {
        $query_charset_table = ' DEFAULT CHARACTER SET '.$data['new']['database_charset'];
         } else {
        $query_charset_table = '';
         }

         //* Create the new database
         if (mysql_create_db($data["new"]["database_name"]),$link) {
            $app->log('Created MySQL database: '.$data["new"]["database_name"],LOGLEVEL_DEBUG);
         if ($link->query('CREATE DATABASE '.$link->escape_string($data['new']['database_name']).$query_charset_table)) {
            $app->log('Created MySQL database: '.$data['new']['database_name'],LOGLEVEL_DEBUG);
         } else {
            $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
            $app->log('Unable to create the database: '.$link->error,LOGLEVEL_WARNING);
         }
         
         // Create the database user
         if($data["new"]["remote_access"] == 'y') {
             $db_host = '%';
         } else {
            $db_host = 'localhost';
         // Create the database user if database is active
         if($data['new']['active'] == 'y') {
				
                // get the users for this database
                $db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_user_id']) . "'");
                
                $db_ro_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_ro_user_id']) . "'");
                
                $host_list = '';
                if($data['new']['remote_access'] == 'y') {
                    $host_list = $data['new']['remote_ips'];
                }
                if($host_list != '') $host_list .= ',';
                $host_list .= 'localhost';
                
                if($db_user) {
                    if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
                }
                if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
                    if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link, '', true);
                }
				
         }
         
         mysql_query("GRANT ALL ON ".addslashes($data["new"]["database_name"])." TO '".addslashes($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".addslashes($data["new"]["database_password"])."';",$link);
			
         mysql_query("FLUSH PRIVILEGES;",$link);
         mysql_close($link);
         $link->query('FLUSH PRIVILEGES;');
         $link->close();
      }
   }
   
   function db_update($event_name,$data) {
      global $app, $conf;
      
      if($data["new"]["type"] == 'mysql') {
         if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
      if($data['new']['type'] == 'mysql') {
         if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
            $app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
         }
		
         //* Connect to the database
         $link = mysql_connect($clientdb_host, $clientdb_user, $clientdb_password);
         if (!$link) {
            $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
            return;
         }
         
         //* Rename User
         if($data["new"]["database_user"] != $data["old"]["database_user"]) {
            mysql_query("RENAME USER '".addslashes($data["old"]["database_user"])."' TO '".addslashes($data["new"]["database_user"])."'",$link);
            $app->log('Renaming mysql user: '.$data["old"]["database_user"].' to '.$data["new"]["database_user"],LOGLEVEL_DEBUG);
         //* Connect to the database
         $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
         if ($link->connect_error) {
            $app->log('Unable to connect to the database: '.$link->connect_error,LOGLEVEL_ERROR);
            return;
         }
			
            // get the users for this database
            $db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_user_id']) . "'");
            
            $db_ro_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_ro_user_id']) . "'");
            
            $host_list = '';
            if($data['new']['remote_access'] == 'y') {
                $host_list = $data['new']['remote_ips'];
            }
            if($host_list != '') $host_list .= ',';
            $host_list .= 'localhost';
            
            // Create the database user if database was disabled before
         if($data['new']['active'] == 'y' && $data['old']['active'] == 'n') {
                if($db_user) {
                    if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
                }
                if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
                    if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link, '', true);
                }
         } else if($data['new']['active'] == 'n' && $data['old']['active'] == 'y') { // revoke database user, if inactive
                if($db_user) {
                    if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
                }
                if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
                    if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link);
                }
         }
            
            //* selected Users have changed
            if($data['new']['database_user_id'] != $data['old']['database_user_id']) {
                if($data['old']['database_user_id'] && $data['old']['database_user_id'] != $data['new']['database_ro_user_id']) {
                    $old_db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['old']['database_user_id']) . "'");
                    if($old_db_user) {
                        if($old_db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                        else $this->process_host_list('REVOKE', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $host_list, $link);
                    }
                }
                if($db_user) {
                    if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
                }
            }
            if($data['new']['database_ro_user_id'] != $data['old']['database_ro_user_id']) {
                if($data['old']['database_ro_user_id'] && $data['old']['database_ro_user_id'] != $data['new']['database_user_id']) {
                    $old_db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['old']['database_ro_user_id']) . "'");
                    if($old_db_user) {
                        if($old_db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                        else $this->process_host_list('REVOKE', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $host_list, $link);
                    }
                }
                if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
                    if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link, '', true);
                }
            }
         
         //* Remote access option has changed.
         if($data["new"]["remote_access"] != $data["old"]["remote_access"]) {
            if($data["new"]["remote_access"] == 'y') {
               mysql_query("UPDATE mysql.user SET Host = '%' WHERE User = '".addslashes($data["new"]["database_user"])."' and Host = 'localhost';",$link);
         if($data['new']['remote_access'] != $data['old']['remote_access']) {
				
            //* revoke old priveliges
            //mysql_query("REVOKE ALL PRIVILEGES ON ".mysql_real_escape_string($data["new"]["database_name"],$link).".* FROM '".mysql_real_escape_string($data["new"]["database_user"],$link)."';",$link);
				
            //* set new priveliges
            if($data['new']['remote_access'] == 'y') { 		
                    if($db_user) {
                        if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                        else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['new']['remote_ips'], $link);
                    }
                    if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
                        if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                        else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['new']['remote_ips'], $link, '', true);
                    }
            } else {
               mysql_query("UPDATE mysql.user SET Host = 'localhost' WHERE User = '".addslashes($data["new"]["database_user"])."' and Host = '%';",$link);
                    if($db_user) {
                        if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                        else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['new']['remote_ips'], $link);
                    }
                    if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
                        if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                        else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['new']['remote_ips'], $link);
                    }
            }
            $app->log('Changing mysql remote access priveliges for database: '.$data["new"]["database_name"],LOGLEVEL_DEBUG);
         }
            $app->log('Changing MySQL remote access privileges for database: '.$data['new']['database_name'],LOGLEVEL_DEBUG);
         } elseif($data['new']['remote_access'] == 'y' && $data['new']['remote_ips'] != $data['old']['remote_ips']) {
                //* Change remote access list
                if($db_user) {
                    if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else {
                        $this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['old']['remote_ips'], $link);
                        $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['new']['remote_ips'], $link);
                    }
                }
                if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
                    if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
                    else {
                        $this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['old']['remote_ips'], $link);
                        $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['new']['remote_ips'], $link, '', true);
                    }
                }
          }
      
         
         //* Get the db host setting for the access priveliges
         if($data["new"]["remote_access"] == 'y') {
             $db_host = '%';
         } else {
            $db_host = 'localhost';
         }
			
         /*
         //* Rename database
         if($data["new"]["database_name"] != $data["old"]["database_name"]) {
            mysql_query("",$link);
         }
         */
			
         //* Change password
         if($data["new"]["database_password"] != $data["old"]["database_password"]) {
            mysql_query("SET PASSWORD FOR '".addslashes($data["new"]["database_user"])."'@'$db_host' = PASSWORD('".addslashes($data["new"]["database_password"])."');",$link);
            $app->log('Changing mysql user password for: '.$data["new"]["database_user"],LOGLEVEL_DEBUG);
         }
			
         mysql_query("FLUSH PRIVILEGES;",$link);
         mysql_close($link);
         $link->query('FLUSH PRIVILEGES;');
         $link->close();
      }
      
   }
@@ -148,34 +313,126 @@
   function db_delete($event_name,$data) {
      global $app, $conf;
      
      if($data["new"]["type"] == 'mysql') {
         if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
      if($data['old']['type'] == 'mysql') {
         if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
            $app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
            return;
         }
      
         //* Connect to the database
         $link = mysql_connect($clientdb_host, $clientdb_user, $clientdb_password);
         if (!$link) {
            $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
         $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
         if ($link->connect_error) {
            $app->log('Unable to connect to mysql: '.$link->connect_error,LOGLEVEL_ERROR);
            return;
         }
         
         mysql_query("DROP USER '".addslashes($data["old"]["database_user"])."';",$link);
         $app->log('Dropping mysql user: '.$data["old"]["database_user"],LOGLEVEL_DEBUG);
         if($link->query('DROP DATABASE '.$link->escape_string($data['old']['database_name']))) {
            $app->log('Dropping MySQL database: '.$data['old']['database_name'],LOGLEVEL_DEBUG);
         } else {
            $app->log('Error while dropping MySQL database: '.$data['old']['database_name'].' '.$link->error,LOGLEVEL_WARNING);
         }
         
         mysql_drop_db($data["old"]["database_name"],$link);
         $app->log('Dropping mysql database: '.$data["old"]["database_name"],LOGLEVEL_DEBUG);
			
			
         mysql_query("FLUSH PRIVILEGES;",$link);
         mysql_close($link);
         $link->query('FLUSH PRIVILEGES;');
         $link->close();
      }
      
      
   }
   
	 
   function db_user_insert($event_name,$data) {
      global $app, $conf;
      // we have nothing to do here, stale user accounts are useless ;)
   }
   
	
   function db_user_update($event_name,$data) {
      global $app, $conf;
		
        if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
            $app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
            return;
        }
        
        //* Connect to the database
        $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
        if ($link->connect_error) {
            $app->log('Unable to connect to mysql'.$link->connect_error,LOGLEVEL_ERROR);
            return;
        }
        
        
        if($data['old']['database_user'] == $data['new']['database_user'] && $data['old']['database_password'] == $data['new']['database_password']) {
            return;
        }
        
        
        $host_list = array('localhost');
        // get all databases this user was active for
        $db_list = $app->db->queryAllRecords("SELECT `remote_access`, `remote_ips` FROM `web_database` WHERE `database_user_id` = '" . intval($data['old']['database_user_id']) . "'");
        foreach($db_list as $database) {
            if($database['remote_access'] != 'y') continue;
            
            if($database['remote_ips'] != '') $ips = explode(',', $database['remote_ips']);
            else $ips = array('%');
            
            foreach($ips as $ip) {
                $ip = trim($ip);
                if(!in_array($ip, $host_list)) $host_list[] = $ip;
            }
        }
        
        foreach($host_list as $db_host) {
            if($data['new']['database_user'] != $data['old']['database_user']) {
            $link->query("RENAME USER '".$link->escape_string($data['old']['database_user'])."'@'$db_host' TO '".$link->escape_string($data['new']['database_user'])."'@'$db_host'");
            $app->log('Renaming MySQL user: '.$data['old']['database_user'].' to '.$data['new']['database_user'],LOGLEVEL_DEBUG);
         }

         if($data['new']['database_password'] != $data['old']['database_password']) {
            $db_host = 'localhost';
            $link->query("SET PASSWORD FOR '".$link->escape_string($data['new']['database_user'])."'@'$db_host' = '".$link->escape_string($data['new']['database_password'])."';");
            $app->log('Changing MySQL user password for: '.$data['new']['database_user'],LOGLEVEL_DEBUG);
         }
        }
        
        $link->query('FLUSH PRIVILEGES;');
        $link->close();
        
   }
	
   function db_user_delete($event_name,$data) {
      global $app, $conf;
		
        if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
            $app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
            return;
        }
        
        //* Connect to the database
        $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
        if ($link->connect_error) {
            $app->log('Unable to connect to mysql'.$link->connect_error,LOGLEVEL_ERROR);
            return;
        }
        
        $host_list = array();
        // read all mysql users with this username
        $result = $link->query("SELECT `User`, `Host` FROM `mysql`.`user` WHERE `User` = '" . $link->escape_string($data['old']['database_user']) . "' AND `Create_user_priv` = 'N'"); // basic protection against accidently deleting system users like debian-sys-maint
        if($result) {
            while($row = $result->fetch_assoc()) {
                $host_list[] = $row['Host'];
            }
            $result->free();
        }
        
        foreach($host_list as $db_host) {
            if($link->query("DROP USER '".$link->escape_string($data['old']['database_user'])."'@'$db_host';")) {
            $app->log('Dropping MySQL user: '.$data['old']['database_user'],LOGLEVEL_DEBUG);
            }
        }
        
        $link->query('FLUSH PRIVILEGES;');
        $link->close();
   }
} // end class

?>
?>