From f1926a01df8871cdacb29c97ffbfd7ff18d1610a Mon Sep 17 00:00:00 2001
From: Till Brehm <tbrehm@ispconfig.org>
Date: Tue, 09 Feb 2016 11:56:40 -0500
Subject: [PATCH] Fixed problems that prevented ISPConfig to run on PHP 7, Issue #3716

---
 server/plugins-available/mysql_clientdb_plugin.inc.php |  787 +++++++++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 639 insertions(+), 148 deletions(-)

diff --git a/server/plugins-available/mysql_clientdb_plugin.inc.php b/server/plugins-available/mysql_clientdb_plugin.inc.php
index 2cfd97a..7a5128a 100644
--- a/server/plugins-available/mysql_clientdb_plugin.inc.php
+++ b/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,
@@ -29,211 +29,702 @@
 */
 
 class mysql_clientdb_plugin {
-	
+
 	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;
+		}
+
+	}
+
+
 	/*
 	 	This function is called when the plugin is loaded
 	*/
-	
+
 	function onLoad() {
 		global $app;
-		
+
 		/*
 		Register for the events
 		*/
-		
-		//* Mailboxes
-		$app->plugins->registerEvent('database_insert',$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');
-		
-		
+
+		//* 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', $this->plugin_name, 'db_user_delete');
+
+
 	}
-	
-	
-	function db_insert($event_name,$data) {
+
+	function process_host_list($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);
+
+		$success = true;
+		if(!preg_match('/\*[A-F0-9]{40}$/', $database_password)) {
+				$result = $link->query("SELECT PASSWORD('" . $link->escape_string($database_password) . "') as `crypted`");
+				if($result) {
+						$row = $result->fetch_assoc();
+						$database_password = $row['crypted'];
+						$result->free();
+				}
+		}
+		// loop through hostlist
+		foreach($host_list as $db_host) {
+			$db_host = trim($db_host);
+
+			$app->log($action . ' for user ' . $database_user . ' at host ' . $db_host, LOGLEVEL_DEBUG);
+
+			// check if entry is valid ip address
+			$valid = true;
+			if($db_host == '%' || $db_host == 'localhost') {
+				$valid = true;
+//			} elseif(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $db_host)) {
+			} elseif(preg_match("/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/", $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;
+				$app->log("GRANT " . ($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($database_password)."'; success? " . ($success ? 'yes' : 'no'), LOGLEVEL_DEBUG);
+			} 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 $success;
+	}
+
+	function drop_or_revoke_user($database_id, $user_id, $host_list){
+		global $app;
+
+		// set to all hosts if none given
+		if(trim($host_list) == '') $host_list = '%';
+
+		$db_user_databases = $app->db->queryAllRecords("SELECT * FROM web_database WHERE (database_user_id = ? OR database_ro_user_id = ?) AND active = 'y' AND database_id != ?", $user_id, $user_id, $database_id);
+		$db_user_host_list = array();
+		if(is_array($db_user_databases) && !empty($db_user_databases)){
+			foreach($db_user_databases as $db_user_database){
+				if($db_user_database['remote_access'] == 'y'){
+					if($db_user_database['remote_ips'] == ''){
+						$db_user_host_list[] = '%';
+					} else {
+						$tmp_remote_ips = explode(',', $db_user_database['remote_ips']);
+						if(is_array($tmp_remote_ips) && !empty($tmp_remote_ips)){
+							foreach($tmp_remote_ips as $tmp_remote_ip){
+								$tmp_remote_ip = trim($tmp_remote_ip);
+								if($tmp_remote_ip != '') $db_user_host_list[] = $tmp_remote_ip;
+							}
+						}
+						unset($tmp_remote_ips);
+					}
+				}
+				$db_user_host_list[] = 'localhost';
+			}
+		}
+		$host_list_arr = explode(',', $host_list);
+		//print_r($host_list_arr);
+		$drop_hosts = array_diff($host_list_arr, $db_user_host_list);
+		//print_r($drop_hosts);
+		$revoke_hosts = array_diff($host_list_arr, $drop_hosts);
+		//print_r($revoke_hosts);
+
+		$drop_host_list = implode(',', $drop_hosts);
+		$revoke_host_list = implode(',', $revoke_hosts);
+		//echo $drop_host_list."\n";
+		//echo $revoke_host_list."\n";
+		return array('revoke_hosts' => $revoke_host_list, 'drop_hosts' => $drop_host_list);
+	}
+
+	function db_insert($event_name, $data) {
 		global $app, $conf;
-		
-		if($data["new"]["type"] == 'mysql') {
-			if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
-				$app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
+
+		if($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"];
+			if($data['new']['database_charset'] != '') {
+				$query_charset_table = ' DEFAULT CHARACTER SET '.$data['new']['database_charset'];
 			} else {
-        $query_charset_table = '';
+				$query_charset_table = '';
 			}
 
 			//* Create the new database
-			if (mysql_query('CREATE DATABASE '.mysql_real_escape_string($data["new"]["database_name"]).$query_charset_table,$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 database is active
-			if($data["new"]["active"] == 'y') {
-				
-				if($data["new"]["remote_access"] == 'y') {
-			 		$db_host = '%';
-				} else {
-					$db_host = 'localhost';
+			if($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` = ?", $data['new']['database_user_id']);
+				$db_ro_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = ?", $data['new']['database_ro_user_id']);
+
+				$host_list = '';
+				if($data['new']['remote_access'] == 'y') {
+					$host_list = $data['new']['remote_ips'];
+					if($host_list == '') $host_list = '%';
 				}
-				
-				mysql_query("GRANT ALL ON ".mysql_real_escape_string($data["new"]["database_name"]).".* TO '".mysql_real_escape_string($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".mysql_real_escape_string($data["new"]["database_password"])."';",$link);
-				//echo "GRANT ALL ON ".mysql_real_escape_string($data["new"]["database_name"]).".* TO '".mysql_real_escape_string($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".mysql_real_escape_string($data["new"]["database_password"])."';";
+				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, $link, '', true);
+				}
+
 			}
-			
-			mysql_query("FLUSH PRIVILEGES;",$link);
-			mysql_close($link);
+
+			$link->query('FLUSH PRIVILEGES;');
+			$link->close();
 		}
 	}
-	
-	function db_update($event_name,$data) {
+
+	function db_update($event_name, $data) {
 		global $app, $conf;
-		
-		if($data["new"]["type"] == 'mysql') {
-			if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
-				$app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
+
+		// skip processing if database was and is inactive
+		if($data['new']['active'] == 'n' && $data['old']['active'] == 'n') return;
+
+		if($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) {
+				$app->log('Unable to connect to the database: '.$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` = ?", $data['new']['database_user_id']);
+			$old_db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = ?", $data['old']['database_user_id']);
+
+			$db_ro_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = ?", $data['new']['database_ro_user_id']);
+			$old_db_ro_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = ?", $data['old']['database_ro_user_id']);
+
+			$host_list = '';
+			if($data['new']['remote_access'] == 'y') {
+				$host_list = $data['new']['remote_ips'];
+				if($host_list == '') $host_list = '%';
+			}
+			if($host_list != '') $host_list .= ',';
+			$host_list .= 'localhost';
+
+			// REVOKES and DROPS have to be done on old host list, not new host list
+			$old_host_list = '';
+			if($data['old']['remote_access'] == 'y') {
+				$old_host_list = $data['old']['remote_ips'];
+				if($old_host_list == '') $old_host_list = '%';
+			}
+			if($old_host_list != '') $old_host_list .= ',';
+			$old_host_list .= 'localhost';
+
+			//* rename database
+			if ( $data['new']['database_name'] !=  $data['old']['database_name'] ) {
+				$old_name = $link->escape_string($data['old']['database_name']);
+				$new_name = $link->escape_string($data['new']['database_name']);
+				$timestamp = time();
+
+				$tables = $link->query("SELECT TABLE_NAME FROM information_schema.tables WHERE table_schema='".$old_name."' AND TABLE_TYPE='BASE TABLE'");
+				if ($tables->num_rows > 0) {
+					while ($row = $tables->fetch_assoc()) {
+						$tables_array[] = $row['TABLE_NAME'];
+					}
+
+					//* save triggers, routines and events
+					$triggers = $link->query("SHOW TRIGGERS FROM ".$old_name);
+					if ($triggers->num_rows > 0) {
+						while ($row = $triggers->fetch_assoc()) {
+							$triggers_array[] = $row;
+						}
+						$app->log('Dumping triggers from '.$old_name, LOGLEVEL_DEBUG);
+						$command = "mysqldump -h ".escapeshellarg($clientdb_host)." -u ".escapeshellarg($clientdb_user)." -p".escapeshellarg($clientdb_password)." ".$old_name." -d -t -R -E > ".$timestamp.$old_name.'.triggers';
+						exec($command, $out, $ret);
+						$app->system->chmod($timestamp.$old_name.'.triggers', 0600);
+						if ($ret != 0) {
+							unset($triggers_array);
+							$app->system->unlink($timestamp.$old_name.'.triggers');
+							$app->log('Unable to dump triggers from '.$old_name, LOGLEVEL_ERROR);
+						}
+						unset($out);
+					}
+
+					//* save views
+					$views = $link->query("SELECT TABLE_NAME FROM information_schema.tables WHERE table_schema='".$old_name."' and TABLE_TYPE='VIEW'");
+					if ($views->num_rows > 0) {
+						while ($row = $views->fetch_assoc()) {
+							$views_array[] = $row;
+						}
+						foreach ($views_array as $_views) {
+							$temp[] = $_views['TABLE_NAME'];
+						}
+						$app->log('Dumping views from '.$old_name, LOGLEVEL_DEBUG);
+						$temp_views = implode(' ', $temp);
+						$command = "mysqldump -h ".escapeshellarg($clientdb_host)." -u ".escapeshellarg($clientdb_user)." -p".escapeshellarg($clientdb_password)." ".$old_name." ".$temp_views." > ".$timestamp.$old_name.'.views';
+						exec($command, $out, $ret);
+						$app->system->chmod($timestamp.$old_name.'.views', 0600);
+						if ($ret != 0) {
+							unset($views_array);
+							$app->system->unlink($timestamp.$old_name.'.views');
+							$app->log('Unable to dump views from '.$old_name, LOGLEVEL_ERROR);
+						}
+						unset($out);
+						unset($temp);
+						unset($temp_views);
+					}
+
+					//* create new database
+					$this->db_insert($event_name, $data);
+
+					$link->query("show databases like '".$new_name."'");
+					if ($link) {
+						//* rename tables
+						foreach ($tables_array as $table) {
+							$table = $link->escape_string($table);
+							$sql = "RENAME TABLE ".$old_name.".".$table." TO ".$new_name.".".$table;
+							$link->query($sql);
+							$app->log($sql, LOGLEVEL_DEBUG);
+							if(!$link) {
+								$app->log($sql." failed", LOGLEVEL_ERROR);
+							}
+						}
+
+						//* drop old triggers
+						if (@is_array($triggers_array)) {
+							foreach($triggers_array as $trigger) {
+								$_trigger = $link->escape_string($trigger['Trigger']);
+								$sql = "DROP TRIGGER ".$old_name.".".$_trigger;
+								$link->query($sql);
+								$app->log($sql, LOGLEVEL_DEBUG);
+								unset($_trigger);
+							}
+							//* update triggers, routines and events
+							$command = "mysql -h ".escapeshellarg($clientdb_host)." -u ".escapeshellarg($clientdb_user)." -p".escapeshellarg($clientdb_password)." ".$new_name." < ".$timestamp.$old_name.'.triggers';
+							exec($command, $out, $ret);
+							if ($ret != 0) {
+								$app->log('Unable to import triggers for '.$new_name, LOGLEVEL_ERROR);
+							} else {
+								$app->system->unlink($timestamp.$old_name.'.triggers');
+							}
+						}
+
+						//* loading views
+						if (@is_array($views_array)) {
+							$command = "mysql -h ".escapeshellarg($clientdb_host)." -u ".escapeshellarg($clientdb_user)." -p".escapeshellarg($clientdb_password)." ".$new_name." < ".$timestamp.$old_name.'.views';
+							exec($command, $out, $ret);
+							if ($ret != 0) {
+								$app->log('Unable to import views for '.$new_name, LOGLEVEL_ERROR);
+							} else {
+								$app->system->unlink($timestamp.$old_name.'.views');
+							}
+						}
+
+						//* drop old database
+						$this->db_delete($event_name, $data);
+					} else {
+						$app->log('Connection to new databse '.$new_name.' failed', LOGLEVEL_ERROR);
+						if (@is_array($triggers_array)) {
+							$app->system->unlink($timestamp.$old_name.'.triggers');
+						}
+						if (@is_array($views_array)) {
+							$app->system->unlink($timestamp.$old_name.'.views');
+						}
+					}
+
+				} else { //* SELECT TABLE_NAME error
+					$app->log('Unable to rename database '.$old_name.' to '.$new_name, LOGLEVEL_ERROR);
+				}
+			}
+
 			// Create the database user if database was disabled before
-			if($data["new"]["active"] == 'y' && $data["old"]["active"] == 'n') {
-				
-				if($data["new"]["remote_access"] == 'y') {
-			 		$db_host = '%';
-				} else {
-					$db_host = 'localhost';
+			if($data['new']['active'] == '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'], $host_list, $link);
 				}
-				
-				mysql_query("GRANT ALL ON ".mysql_real_escape_string($data["new"]["database_name"]).".* TO '".mysql_real_escape_string($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".mysql_real_escape_string($data["new"]["database_password"])."';",$link);
-				//echo "GRANT ALL ON ".mysql_real_escape_string($data["new"]["database_name"]).".* TO '".mysql_real_escape_string($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".mysql_real_escape_string($data["new"]["database_password"])."';";
-			}
-			
-			// Remove database user, if inactive
-			if($data["new"]["active"] == 'n' && $data["old"]["active"] == 'y') {
-				
-				if($data["old"]["remote_access"] == 'y') {
-			 		$db_host = '%';
-				} else {
-					$db_host = 'localhost';
+				if($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, $link, '', true);
 				}
-				
-				mysql_query("REVOKE ALL ON ".mysql_real_escape_string($data["new"]["database_name"]).".* TO '".mysql_real_escape_string($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".mysql_real_escape_string($data["new"]["database_password"])."';",$link);
-				//echo "GRANT ALL ON ".mysql_real_escape_string($data["new"]["database_name"]).".* TO '".mysql_real_escape_string($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".mysql_real_escape_string($data["new"]["database_password"])."';";
+			} else if($data['new']['active'] == 'n' && $data['old']['active'] == 'y') { // revoke database user, if inactive
+					if($old_db_user) {
+						if($old_db_user['database_user'] == 'root'){
+							$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+						} else {
+							// Find out users to drop and users to revoke
+							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $old_host_list);
+							if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+							if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+
+
+							//$this->process_host_list('DROP', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $old_host_list, $link);
+							//$this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $old_host_list, $link);
+						}
+
+					}
+					if($old_db_ro_user && $data['old']['database_user_id'] != $data['old']['database_ro_user_id']) {
+						if($old_db_ro_user['database_user'] == 'root'){
+							$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+						} else {
+							// Find out users to drop and users to revoke
+							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_ro_user_id'], $old_host_list);
+							if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+							if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+
+							//$this->process_host_list('DROP', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $old_host_list, $link);
+							//$this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $old_host_list, $link);
+						}
+					}
+					// Database is not active, so stop processing here
+					$link->query('FLUSH PRIVILEGES;');
+					$link->close();
+					return;
+				}
+
+			//* selected Users have changed
+			if($data['new']['database_user_id'] != $data['old']['database_user_id']) {
+				if($data['old']['database_user_id'] && $data['old']['database_user_id'] != $data['new']['database_ro_user_id']) {
+					if($old_db_user) {
+						if($old_db_user['database_user'] == 'root'){
+							$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+						} else {
+							// Find out users to drop and users to revoke
+							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $old_host_list);
+							if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+							if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+
+							//$this->process_host_list('DROP', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $old_host_list, $link);
+							//$this->process_host_list('REVOKE', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $old_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, $link);
+				}
 			}
-			
-			//* Rename User
-			if($data["new"]["database_user"] != $data["old"]["database_user"]) {
-				mysql_query("RENAME USER '".mysql_real_escape_string($data["old"]["database_user"])."' TO '".mysql_real_escape_string($data["new"]["database_user"])."'",$link);
-				$app->log('Renaming mysql user: '.$data["old"]["database_user"].' to '.$data["new"]["database_user"],LOGLEVEL_DEBUG);
+			if($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'] != $data['new']['database_user_id']) {
+					if($old_db_ro_user) {
+						if($old_db_ro_user['database_user'] == 'root'){
+							$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+						} else {
+							// Find out users to drop and users to revoke
+							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $old_host_list);
+							if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+							if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+
+							//$this->process_host_list('DROP', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $old_host_list, $link);
+							//$this->process_host_list('REVOKE', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $old_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 = '".mysql_real_escape_string($data["new"]["database_user"])."' and Host = 'localhost';",$link);
-					mysql_query("UPDATE mysql.db SET Host = '%' WHERE User = '".mysql_real_escape_string($data["new"]["database_user"])."' and Host = 'localhost';",$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'], $link, '', true);
+					}
 				} else {
-					mysql_query("UPDATE mysql.user SET Host = 'localhost' WHERE User = '".mysql_real_escape_string($data["new"]["database_user"])."' and Host = '%';",$link);
-					mysql_query("UPDATE mysql.db SET Host = 'localhost' WHERE User = '".mysql_real_escape_string($data["new"]["database_user"])."' and Host = '%';",$link);
+					if($old_db_user) {
+						if($old_db_user['database_user'] == 'root'){
+							$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+						} else {
+							// Find out users to drop and users to revoke
+							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $data['old']['remote_ips']);
+							if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+							if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+
+							//$this->process_host_list('DROP', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['old']['remote_ips'], $link);
+							//$this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['old']['remote_ips'], $link);
+						}
+					}
+					if($old_db_ro_user && $data['old']['database_user_id'] != $data['old']['database_ro_user_id']) {
+						if($old_db_ro_user['database_user'] == 'root'){
+							$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+						} else {
+							// Find out users to drop and users to revoke
+							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_ro_user_id'], $data['old']['remote_ips']);
+							if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+							if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+
+							//$this->process_host_list('DROP', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['old']['remote_ips'], $link);
+							//$this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['old']['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'] != $data['old']['remote_ips']) {
+				//* Change remote access list
+				if($old_db_user) {
+					if($old_db_user['database_user'] == 'root'){
+						$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+					} else {
+						// Find out users to drop and users to revoke
+						$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $data['old']['remote_ips']);
+						if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+						if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+					}
+				}
+				if($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'], $data['new']['remote_ips'], $link);
+					}
+				}
+
+				if($old_db_ro_user && $data['old']['database_user_id'] != $data['old']['database_ro_user_id']) {
+					if($old_db_ro_user['database_user'] == 'root'){
+						$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
+					} else {
+						// Find out users to drop and users to revoke
+						$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $data['old']['remote_ips']);
+						if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+						if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
+					}
+				}
+
+				if($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'], $link, '', true);
+					}
+				}
 			}
-			
-			//* Get the db host setting for the access priveliges
-			if($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"] != $data["old"]["database_password"]) {
-				mysql_query("SET PASSWORD FOR '".mysql_real_escape_string($data["new"]["database_user"])."'@'$db_host' = PASSWORD('".mysql_real_escape_string($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;');
+			$link->close();
 		}
-		
+
 	}
-	
-	function db_delete($event_name,$data) {
+
+	function db_delete($event_name, $data) {
 		global $app, $conf;
-		
-		if($data["old"]["type"] == 'mysql') {
-			if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
-				$app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
+
+		if($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;
 			}
-			
-			//* Get the db host setting for the access priveliges
-			if($data["old"]["remote_access"] == 'y') {
-			 	$db_host = '%';
-			} else {
-				$db_host = 'localhost';
+
+			$old_host_list = '';
+			if($data['old']['remote_access'] == 'y') {
+				$old_host_list = $data['old']['remote_ips'];
+				if($old_host_list == '') $old_host_list = '%';
 			}
-			
-			if(mysql_query("DROP USER '".mysql_real_escape_string($data["old"]["database_user"])."'@'$db_host';",$link)) {
-				$app->log('Dropping mysql user: '.$data["old"]["database_user"],LOGLEVEL_DEBUG);
-			} else {
-				$app->log('Error while dropping mysql user: '.$data["old"]["database_user"].' '.mysql_error($link),LOGLEVEL_ERROR);
+			if($old_host_list != '') $old_host_list .= ',';
+			$old_host_list .= 'localhost';
+
+			if($data['old']['database_user_id']) {
+				$old_db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = ?", $data['old']['database_user_id']);
+				$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $old_host_list);
+				if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+				if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
 			}
-			
-			if(mysql_query('DROP DATABASE '.mysql_real_escape_string($data["old"]["database_name"]),$link)) {
-				$app->log('Dropping mysql database: '.$data["old"]["database_name"],LOGLEVEL_DEBUG);
-			} else {
-				$app->log('Error while dropping mysql database: '.$data["old"]["database_name"].' '.mysql_error($link),LOGLEVEL_ERROR);
+			if($data['old']['database_ro_user_id']) {
+				$old_db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = ?", $data['old']['database_ro_user_id']);
+				$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_ro_user_id'], $old_host_list);
+				if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
+				if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
 			}
-			
-			
-			mysql_query("FLUSH PRIVILEGES;",$link);
-			mysql_close($link);
+
+
+			if($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);
+			}
+
+			$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'] || $data['new']['database_password'] == '')) {
+			return;
+		}
+
+
+		$host_list = array('localhost');
+		// get all databases this user was active for
+		$user_id = intval($data['old']['database_user_id']);
+		$db_list = $app->db->queryAllRecords("SELECT `remote_access`, `remote_ips` FROM `web_database` WHERE `database_user_id` = ? OR database_ro_user_id = ?", $user_id, $user_id);;
+		if(count($db_list) < 1) return; // nothing to do on this server for this db user
+
+		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'] && $data['new']['database_password'] != '') {
+				$link->query("SET PASSWORD FOR '".$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'].'@'.$db_host, 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
 
-?>
\ No newline at end of file
+?>

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