579 lines
20 KiB
PHP
579 lines
20 KiB
PHP
<?php
|
||
/*
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||
$Id: m_mysql.php,v 1.35 2005/12/18 09:51:32 benjamin Exp $
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||
----------------------------------------------------------------------
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||
AlternC - Web Hosting System
|
||
Copyright (C) 2002 by the AlternC Development Team.
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||
http://alternc.org/
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||
----------------------------------------------------------------------
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Based on:
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||
Valentin Lacambre's web hosting softwares: http://altern.org/
|
||
----------------------------------------------------------------------
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||
LICENSE
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||
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||
This program is free software; you can redistribute it and/or
|
||
modify it under the terms of the GNU General Public License (GPL)
|
||
as published by the Free Software Foundation; either version 2
|
||
of the License, or (at your option) any later version.
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||
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||
This program is distributed in the hope that it will be useful,
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||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||
GNU General Public License for more details.
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||
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To read the license please visit http://www.gnu.org/copyleft/gpl.html
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||
----------------------------------------------------------------------
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Original Author of file: Benjamin Sonntag
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Purpose of file: Manage mysql database for users.
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----------------------------------------------------------------------
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*/
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/**
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* MySQL user database management for AlternC.
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* This class manage user's databases in MySQL, and user's MySQL accounts.
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||
*
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* @copyright AlternC-Team 2002-2005 http://alternc.org/
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*/
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class m_mysql {
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var $server;
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var $client;
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/*---------------------------------------------------------------------------*/
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/** Constructor
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* m_mysql([$mid]) Constructeur de la classe m_mysql, initialise le membre concerne
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*/
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function m_mysql() {
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$this->server = $GLOBALS['L_MYSQL_HOST'];
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$this->client = $GLOBALS['L_MYSQL_CLIENT'];
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}
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/* ----------------------------------------------------------------- */
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||
/** Hook called by m_quota to obtain the quota managed by this class.
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* Quota name
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*/
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function alternc_quota_names() {
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return array("mysql","mysql_users");
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||
}
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/*---------------------------------------------------------------------------*/
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/** Get the list of the database for the current user.
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* @return array returns an associative array as follow : <br>
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||
* "db" => database name "bck" => backup mode for this db
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* "dir" => Backup folder.
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* "size" => Size of the database (in bytes)
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* Returns FALSE if the user has no database.
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*/
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function get_dblist() {
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||
global $db,$err,$bro,$cuid;
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$err->log("mysql","get_dblist");
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$db->query("SELECT login,pass,db, bck_mode, bck_dir FROM db WHERE uid='$cuid';");
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if (!$db->num_rows()) {
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||
$err->raise("mysql",11);
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return false;
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}
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$c=array();
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while ($db->next_record()) {
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list($dbu,$dbn)=split_mysql_database_name($db->f("db"));
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$c[]=array("db"=>$db->f("db"), "name"=>$dbn,"bck"=>$db->f("bck_mode"), "dir"=>$db->f("bck_dir"), "login"=>$db->f("login"), "pass"=>$db->f("pass"));
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}
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/* find the size of each database */
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foreach ($c as $key => $val) {
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$c[$key]['size'] = $this->get_db_size($c[$key]['db']);
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}
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return $c;
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}
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/*---------------------------------------------------------------------------*/
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/** Returns the details of a user's database.
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* $dbn is the name of the database (after the _) or nothing for the database "$user"
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* @return array returns an associative array as follow :
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* "db" => Name of the database
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* "bck" => Current bckup mode
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* "dir" => Backup directory
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* "size" => Size of the database (in bytes)
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* "pass" => Password of the user
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* "history" => Number of backup we keep
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* "gzip" => Does we compress the dumps ?
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||
* Returns FALSE if the user has no database of if the database does not exist.
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*/
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function get_mysql_details($dbn) {
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global $db,$err,$bro,$mem,$cuid;
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$root="/var/alternc/html/".substr($mem->user["login"],0,1)."/".$mem->user["login"];
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$err->log("mysql","get_mysql_details");
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$dbname=$mem->user["login"].($dbn?"_":"").$dbn;
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$size=$this->get_db_size($dbname);
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$db->query("SELECT login,pass,db, bck_mode, bck_gzip, bck_dir, bck_history FROM db WHERE uid='$cuid' AND db='$dbname';");
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if (!$db->num_rows()) {
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$err->raise("mysql",4);
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return array("enabled"=>false);
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}
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$c=array();
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$db->next_record();
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list($dbu,$dbn)=split_mysql_database_name($db->f("db"));
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return array("enabled"=>true,"login"=>$db->f("login"),"db"=>$db->f("db"), "name"=>$dbn,"bck"=>$db->f("bck_mode"), "dir"=>substr($db->f("bck_dir"),strlen($root)), "size"=>$size, "pass"=>$db->f("pass"), "history"=>$db->f("bck_history"), "gzip"=>$db->f("bck_gzip"));
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}
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/*---------------------------------------------------------------------------*/
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/** Create a new database for the current user.
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* @param $dbn string Database name ($user_$dbn is the mysql db name)
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* @return TRUE if the database $user_$db has been successfully created, or FALSE if
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* an error occured, such as over quota user.
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*/
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function add_db($dbn) {
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global $db,$err,$quota,$mem,$cuid;
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$err->log("mysql","add_db",$dbn);
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if (!$quota->cancreate("mysql")) {
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||
$err->raise("mysql",1);
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return false;
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||
}
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if (!ereg("^[0-9a-z]*$",$dbn)) {
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$err->raise("mysql",2);
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return false;
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}
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$dbname=$mem->user["login"].($dbn?"_":"").$dbn;
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if (strlen($dbname) > 64) {
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$err->raise("mysql",12);
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return false;
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}
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$db->query("SELECT * FROM db WHERE db='$dbname';");
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if ($db->num_rows()) {
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$err->raise("mysql",3);
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return false;
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}
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// find the login/pass for this user :
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$db->query("SELECT login,pass FROM db WHERE uid='$cuid' LIMIT 0,1;");
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if (!$db->num_rows()) {
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$lo=$mem->user["login"];
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$pa="";
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} else {
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$db->next_record();
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$lo=addslashes($db->f("login"));
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$pa=addslashes($db->f("pass"));
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}
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// Ok, database does not exist, quota is ok and dbname is compliant. Let's proceed
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$db->query("INSERT INTO db (uid,login,pass,db,bck_mode) VALUES ('$cuid','$lo','$pa','$dbname',0);");
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// give everything but GRANT on db.*
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// we assume there's already a user
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$db->query("GRANT ALL PRIVILEGES ON `".$dbname."`.* TO '".$lo."'@'$this->client'");
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$db->query("CREATE DATABASE $dbname;");
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return true;
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}
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/*---------------------------------------------------------------------------*/
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/** Delete a database for the current user.
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* @param $dbn string Name of the database to delete. The db name is $user_$dbn
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* @return TRUE if the database $user_$db has been successfully deleted, or FALSE if
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* an error occured, such as db does not exist.
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*/
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function del_db($dbn) {
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global $db,$err,$mem,$cuid;
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$err->log("mysql","del_db",$dbn);
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if (!ereg("^[0-9a-z]*$",$dbn)) {
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$err->raise("mysql",2);
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return false;
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}
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$dbname=$mem->user["login"].($dbn?"_":"").$dbn;
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$db->query("SELECT login FROM db WHERE db='$dbname';");
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if (!$db->num_rows()) {
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$err->raise("mysql",4);
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return false;
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}
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$db->next_record();
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$login=$db->f("login");
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// Ok, database exists and dbname is compliant. Let's proceed
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$db->query("DELETE FROM db WHERE uid='$cuid' AND db='$dbname';");
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$db->query("DROP DATABASE $dbname;");
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$db->query("SELECT COUNT(*) AS cnt FROM db WHERE uid='$cuid';");
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$db->next_record();
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$db->query("REVOKE ALL PRIVILEGES ON `".$dbname."`.* FROM '".$login."'@'$this->client'");
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if ($db->f("cnt")==0) {
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$db->query("DELETE FROM mysql.user WHERE User='".$login."';");
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$db->query("FLUSH PRIVILEGES;");
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}
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return true;
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}
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/*---------------------------------------------------------------------------*/
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/** Set the backup parameters for the database $db
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* @param $db string database name
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* @param $bck_mode integer Backup mode (0 = none 1 = daily 2 = weekly)
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* @param $bck_history integer How many backup should we keep ?
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* @param $bck_gzip boolean shall we compress the backup ?
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* @param $bck_dir string Directory relative to the user account where the backup will be stored
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* @return boolean true if the backup parameters has been successfully changed, false if not.
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*/
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function put_mysql_backup($dbn,$bck_mode,$bck_history,$bck_gzip,$bck_dir) {
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global $db,$err,$mem,$bro,$cuid;
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$err->log("mysql","put_mysql_backup");
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if (!ereg("^[0-9a-z]*$",$dbn)) {
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$err->raise("mysql",2);
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return false;
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||
}
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$dbname=$mem->user["login"].($dbn?"_":"").$dbn;
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$db->query("SELECT * FROM db WHERE uid='$cuid' AND db='$dbname';");
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if (!$db->num_rows()) {
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$err->raise("mysql",4);
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return false;
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}
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$db->next_record();
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$bck_mode=intval($bck_mode);
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$bck_history=intval($bck_history);
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if ($bck_gzip)
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$bck_gzip="1";
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else
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$bck_gzip="0";
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if (!$bck_mode)
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$bck_mode="0";
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if (!$bck_history) {
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$err->raise("mysql",5);
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return false;
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||
}
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if (($bck_dir=$bro->convertabsolute($bck_dir,0))===false) { // return a full path or FALSE
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$err->raise("mysql",6);
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return false;
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||
}
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$db->query("UPDATE db SET bck_mode='$bck_mode', bck_history='$bck_history', bck_gzip='$bck_gzip', bck_dir='$bck_dir' WHERE uid='$cuid' AND db='$dbname';");
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return true;
|
||
}
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||
|
||
/*---------------------------------------------------------------------------*/
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/** Change the password of the user in MySQL
|
||
* @param $password string new password (cleartext)
|
||
* @return boolean TRUE if the password has been successfully changed, FALSE else.
|
||
*/
|
||
function put_mysql_details($password) {
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||
global $db,$err,$mem,$cuid;
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||
$err->log("mysql","put_mysql_details");
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$db->query("SELECT * FROM db WHERE uid='$cuid';");
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||
if (!$db->num_rows()) {
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||
$err->raise("mysql",7);
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||
return false;
|
||
}
|
||
$db->next_record();
|
||
$login=$db->f("login");
|
||
|
||
if (strlen($password)>16) {
|
||
$err->raise("mysql",8);
|
||
return false;
|
||
}
|
||
// Update all the "pass" fields for this user :
|
||
$db->query("UPDATE db SET pass='$password' WHERE uid='$cuid';");
|
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$db->query("SET PASSWORD FOR '$login'@'$this->client' = PASSWORD('$password')");
|
||
return true;
|
||
}
|
||
|
||
/* ----------------------------------------------------------------- */
|
||
/** Create a new mysql account for this user
|
||
* @param string cleartext password for the new account
|
||
* It also create the first database.
|
||
*/
|
||
function new_mysql($password) {
|
||
global $db,$err,$mem,$cuid;
|
||
$err->log("mysql","new_mysql");
|
||
if (strlen($password)>16) {
|
||
$err->raise("mysql",8);
|
||
return false;
|
||
}
|
||
$db->query("SELECT * FROM db WHERE uid='$cuid';");
|
||
if ($db->num_rows()) {
|
||
$err->raise("mysql",10);
|
||
return false;
|
||
}
|
||
$login=$mem->user["login"];
|
||
$dbname=$mem->user["login"];
|
||
// OK, creation now...
|
||
$db->query("INSERT INTO db (uid,login,pass,db) VALUES ('$cuid','".$login."','$password','".$dbname."');");
|
||
// give everything but GRANT on $user.*
|
||
$db->query("GRANT ALL PRIVILEGES ON `".$dbname."`.* TO '".$login."'@'$this->client' IDENTIFIED BY '".$password."'");
|
||
$db->query("CREATE DATABASE ".$dbname.";");
|
||
return true;
|
||
}
|
||
|
||
|
||
/* ----------------------------------------------------------------- */
|
||
/** Restore a sql backup script on a user's database.
|
||
* <b>TODO : </b> Add a parameter to choose which database to restore.
|
||
*/
|
||
function restore($file,$stdout,$r) {
|
||
global $err,$bro,$mem,$L_MYSQL_HOST;
|
||
if (!($fi=$bro->convertabsolute($file,0))) {
|
||
$err->raise("mysql",9);
|
||
}
|
||
if (substr($fi,-3)==".gz") {
|
||
$exe="/bin/gzip -d -c <\"$fi\" | /usr/bin/mysql -h".$L_MYSQL_HOST." -u".$r["login"]." -p".$r["pass"]." ".$r["db"];
|
||
} else {
|
||
$exe="/usr/bin/mysql -h".$L_MYSQL_HOST." -u".$r["login"]." -p".$r["pass"]." ".$r["db"]." <".$fi;
|
||
}
|
||
$exe .= " 2>&1";
|
||
|
||
echo "<code><pre>" ;
|
||
if ($stdout) {
|
||
passthru($exe,$ret);
|
||
} else {
|
||
exec ($exe,$ret);
|
||
}
|
||
echo "</pre></code>" ;
|
||
if ($ret != 0) {
|
||
return false ;
|
||
} else {
|
||
return true ;
|
||
}
|
||
}
|
||
|
||
/* ----------------------------------------------------------------- */
|
||
/** Get size of a database
|
||
* @param $dbname name of the database
|
||
* @return integer database size
|
||
* @access private
|
||
*/
|
||
function get_db_size($dbname) {
|
||
global $db,$err;
|
||
|
||
$db->query("SHOW TABLE STATUS FROM `$dbname`;");
|
||
$size = 0;
|
||
while ($db->next_record()) {
|
||
$size += $db->f('Data_length') + $db->f('Index_length')
|
||
+ $db->f('Data_free');
|
||
}
|
||
return $size;
|
||
}
|
||
|
||
/* ----------------------------------------------------------------- */
|
||
/** Hook function called by the quota class to compute user used quota
|
||
* Returns the used quota for the $name service for the current user.
|
||
* @param $name string name of the quota
|
||
* @return integer the number of service used or false if an error occured
|
||
* @access private
|
||
*/
|
||
function alternc_get_quota($name) {
|
||
global $err,$db,$cuid;
|
||
if ($name=="mysql") {
|
||
$err->log("mysql","alternc_get_quota");
|
||
$c=$this->get_dblist();
|
||
if (is_array($c)) {
|
||
return count($c);
|
||
} else {
|
||
return 0;
|
||
}
|
||
} elseif ($name=="mysql_users") {
|
||
$err->log("mysql","alternc_get_quota");
|
||
$c=$this->get_userslist();
|
||
if(is_array($c))
|
||
return count($c);
|
||
else
|
||
return 0;
|
||
} else return false;
|
||
}
|
||
|
||
|
||
/* ----------------------------------------------------------------- */
|
||
/** Hook function called when a user is deleted.
|
||
* AlternC's standard function that delete a member
|
||
*/
|
||
function alternc_del_member() {
|
||
global $db,$err,$cuid;
|
||
$err->log("mysql","alternc_del_member");
|
||
$c=$this->get_dblist();
|
||
if (is_array($c)) {
|
||
for($i=0;$i<count($c);$i++) {
|
||
$this->del_db($c[$i]["name"]);
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
/* ----------------------------------------------------------------- */
|
||
/**
|
||
* Exporte toutes les informations mysql du compte.
|
||
* @access private
|
||
* EXPERIMENTAL 'sid' function ;)
|
||
*/
|
||
function alternc_export($tmpdir) {
|
||
global $db,$err,$cuid;
|
||
$err->log("mysql","export");
|
||
$db->query("SELECT login, pass, db, bck_mode, bck_dir, bck_history, bck_gzip FROM db WHERE uid='$cuid';");
|
||
if ($db->next_record()) {
|
||
$str="<mysql>\n";
|
||
$str.=" <login>".xml_entities($db->Record["login"])."</login>";
|
||
$str.=" <pass>".xml_entities($db->Record["pass"])."</pass>";
|
||
do {
|
||
// Do the dump :
|
||
$filename=$tmpdir."/mysql.".$db->Record["db"].".sql.gz";
|
||
exec("/usr/bin/mysqldump --add-drop-table --allow-keywords -Q -f -q -a -e -u".escapeshellarg($db->Record["login"])." -p".escapeshellarg($db->Record["pass"])." ".escapeshellarg($db->Record["db"])." |/bin/gzip >".escapeshellarg($filename));
|
||
$str.=" <db>\n";
|
||
$str.=" <name>".xml_entities($db->Record["db"])."</name>\n";
|
||
if ($s["bck_mode"]!=0) {
|
||
$str.=" <backup>\n";
|
||
$str.=" <mode>".xml_entities($db->Record["bck_mode"])."</mode>\n";
|
||
$str.=" <dir>".xml_entities($db->Record["bck_dir"])."</dir>\n";
|
||
$str.=" <history>".xml_entities($db->Record["bck_history"])."</history>\n";
|
||
$str.=" <gzip>".xml_entities($db->Record["bck_gzip"])."</gzip>\n";
|
||
$str.=" </backup>\n";
|
||
}
|
||
$str.=" </db>\n";
|
||
} while ($db->next_record());
|
||
$str.="</mysql>\n";
|
||
}
|
||
return $str;
|
||
}
|
||
|
||
function get_userslist() {
|
||
global $db,$err,$bro,$cuid;
|
||
$err->log("mysql","get_userslist");
|
||
$db->query("SELECT name FROM dbusers WHERE uid='$cuid';");
|
||
if (!$db->num_rows()) {
|
||
$err->raise("mysql",19);
|
||
return false;
|
||
}
|
||
$c=array();
|
||
while ($db->next_record()) {
|
||
$c[]=array("name"=>substr($db->f("name"),strpos($db->f("name"),"_")+1));
|
||
}
|
||
|
||
return $c;
|
||
}
|
||
|
||
function add_user($usern,$password,$passconf) {
|
||
global $db,$err,$quota,$mem,$cuid;
|
||
$err->log("mysql","add_user",$usern);
|
||
|
||
$user=addslashes($mem->user["login"]."_$usern");
|
||
$pass=addslashes($password);
|
||
|
||
if (!$quota->cancreate("mysql_users")) {
|
||
$err->raise("mysql",13);
|
||
return false;
|
||
}
|
||
if (!ereg("^[0-9a-z]",$usern)) {
|
||
$err->raise("mysql",14);
|
||
return false;
|
||
}
|
||
|
||
if (strlen($user) > 16 || strlen($usern) == 0 ) {
|
||
$err->raise("mysql",15);
|
||
return false;
|
||
}
|
||
$db->query("SELECT * FROM dbusers WHERE name='$user';");
|
||
if ($db->num_rows()) {
|
||
$err->raise("mysql",16);
|
||
return false;
|
||
}
|
||
if ($password != $passconf || !$password) {
|
||
$err->raise("mysql",17);
|
||
return false;
|
||
}
|
||
|
||
|
||
// On cr<63><72> l'utilisateur
|
||
$db->query("GRANT USAGE ON *.* TO '$user'@'$this->client' IDENTIFIED BY '$pass';");
|
||
// On le rajoute dans la table des utilisateurs
|
||
$db->query("INSERT INTO dbusers (uid,name) VALUES($cuid,'$user');");
|
||
return true;
|
||
}
|
||
|
||
function del_user($user) {
|
||
global $db,$err,$mem,$cuid,$L_MYSQL_DATABASE;
|
||
$err->log("mysql","del_user",$user);
|
||
if (!ereg("^[0-9a-z]",$user)) {
|
||
$err->raise("mysql",14);
|
||
return false;
|
||
}
|
||
$db->query("SELECT name FROM dbusers WHERE name='".$mem->user["login"]."_$user';");
|
||
if (!$db->num_rows()) {
|
||
$err->raise("mysql",18);
|
||
return false;
|
||
}
|
||
$db->next_record();
|
||
$login=$db->f("name");
|
||
|
||
// Ok, database exists and dbname is compliant. Let's proceed
|
||
$db->query("REVOKE ALL PRIVILEGES ON *.* FROM '".$mem->user["login"]."_$user'@'$this->client';");
|
||
$db->query("DELETE FROM mysql.db WHERE User='".$mem->user["login"]."_$user' AND Host='$this->client';");
|
||
$db->query("DELETE FROM mysql.user WHERE User='".$mem->user["login"]."_$user' AND Host='$this->client';");
|
||
$db->query("FLUSH PRIVILEGES");
|
||
$db->query("DELETE FROM dbusers WHERE uid='$cuid' AND name='".$mem->user["login"]."_$user';");
|
||
return true;
|
||
}
|
||
|
||
function get_user_dblist($user) {
|
||
global $db,$err,$mem,$cuid,$L_MYSQL_DATABASE;
|
||
$err->log("mysql","get_user_dblist");
|
||
|
||
$r=array();
|
||
$dblist=$this->get_dblist();
|
||
|
||
for ( $i=0 ; $i<count($dblist) ; $i++ ) {
|
||
$db->query("SELECT Db, Select_priv, Insert_priv, Update_priv, Delete_priv, Create_priv, Drop_priv, References_priv, Index_priv, Alter_priv, Create_tmp_table_priv, Lock_tables_priv FROM mysql.db WHERE User='".$mem->user["login"].($user?"_":"").$user."' AND Host='$this->client' AND Db='".$dblist[$i]["db"]."';");
|
||
if ($db->next_record())
|
||
$r[]=array("db"=>$dblist[$i]["name"], "select"=>$db->f("Select_priv"), "insert"=>$db->f("Insert_priv"), "update"=>$db->f("Update_priv"), "delete"=>$db->f("Delete_priv"), "create"=>$db->f("Create_priv"), "drop"=>$db->f("Drop_priv"), "references"=>$db->f("References_priv"), "index"=>$db->f("Index_priv"), "alter"=>$db->f("Alter_priv"), "create_tmp"=>$db->f("Create_tmp_table_priv"), "lock"=>$db->f("Lock_tables_priv"));
|
||
else
|
||
$r[]=array("db"=>$dblist[$i]["name"], "select"=>"N", "insert"=>"N", "update"=>"N", "delete"=>"N", "create"=>"N", "drop"=>"N", "references"=>"N", "index"=>"N", "alter"=>"N", "Create_tmp"=>"N", "lock"=>"N" );
|
||
}
|
||
|
||
return $r;
|
||
}
|
||
|
||
function set_user_rights($user,$dbn,$rights) {
|
||
global $mem, $db;
|
||
|
||
$usern=addslashes($mem->user["login"].($user?"_":"").$user);
|
||
$dbname=addslashes($mem->user["login"].($dbn?"_":"").$dbn);
|
||
// On g<>n<EFBFBD>re les droits en fonction du tableau de droits
|
||
for( $i=0 ; $i<count($rights) ; $i++ ) {
|
||
switch ($rights[$i]) {
|
||
case "select":
|
||
$strrights.="SELECT,";
|
||
break;
|
||
case "insert":
|
||
$strrights.="INSERT,";
|
||
break;
|
||
case "update":
|
||
$strrights.="UPDATE,";
|
||
break;
|
||
case "delete":
|
||
$strrights.="DELETE,";
|
||
break;
|
||
case "create":
|
||
$strrights.="CREATE,";
|
||
break;
|
||
case "drop":
|
||
$strrights.="DROP,";
|
||
break;
|
||
case "references":
|
||
$strrights.="REFERENCES,";
|
||
break;
|
||
case "index":
|
||
$strrights.="INDEX,";
|
||
break;
|
||
case "alter":
|
||
$strrights.="ALTER,";
|
||
break;
|
||
case "create_tmp":
|
||
$strrights.="CREATE TEMPORARY TABLES,";
|
||
break;
|
||
case "lock":
|
||
$strrights.="LOCK TABLES,";
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
// On remet <20> z<>ro tous les droits de l'utilisateur
|
||
$db->query("SELECT * FROM mysql.db WHERE User = '$usern' AND Db = '$dbname';");
|
||
if($db->num_rows())
|
||
$db->query("REVOKE ALL PRIVILEGES ON $dbname.* FROM '$usern'@'$this->client';");
|
||
if( $strrights ){
|
||
$strrights=substr($strrights,0,strlen($strrights)-1);
|
||
$db->query("GRANT $strrights ON $dbname.* TO '$usern'@'$this->client';");
|
||
}
|
||
$db->query("FLUSH PRIVILEGES");
|
||
return TRUE;
|
||
}
|
||
|
||
} /* Class m_mysql */
|
||
|
||
?>
|