<?php
/*
$Id: m_mysql.php,v 1.35 2005/12/18 09:51:32 benjamin Exp $
----------------------------------------------------------------------
AlternC - Web Hosting System
Copyright (C) 2002 by the AlternC Development Team.
http://alternc.org/
----------------------------------------------------------------------
Based on:
Valentin Lacambre's web hosting softwares: http://altern.org/
----------------------------------------------------------------------
LICENSE
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
To read the license please visit http://www.gnu.org/copyleft/gpl.html
----------------------------------------------------------------------
Original Author of file: Benjamin Sonntag
Purpose of file: Manage mysql database for users.
----------------------------------------------------------------------
*/
/**
* MySQL user database management for AlternC.
* This class manage user's databases in MySQL, and user's MySQL accounts.
*
* @copyright AlternC-Team 2002-2005 http://alternc.org/
*/
class DB_users extends DB_Sql {
var $Host, $HumanHostname, $User, $Password, $Client;
/**
* Creator
*/
function DB_users($empty = false) { // Sometimes we need to create this object with empty parameters, but by default we fill them with those of the current user's DB
global $cuid, $db, $err;
if (!$empty) {
$db->query("select db_servers.* from db_servers, membres where membres.uid=$cuid and membres.db_server_id=db_servers.id;");
if (!$db->next_record()) {
$err->raise('db_user', _("There are no databases in db_servers for this user. Please contact your administrator."));
die();
}
# Create the object
$this->HumanHostname = $db->f('name');
$this->Host = $db->f('host');
$this->User = $db->f('login');
$this->Password = $db->f('password');
$this->Client = $db->f('client');
$this->Database = "mysql"; # We have to define a dabatase when we connect, and the database must exist.
} else {
# Create the object without any parameter
$this->HumanHostname = "";
$this->Host = "";
$this->User = "";
$this->Password = "";
$this->Client = "";
$this->Database = "mysql"; # We have to define a dabatase when we connect, and the database must exist.
}
}
}
class m_mysql {
var $dbus;
/* --------------------------------------------------------------------------- */
/** Constructor
* m_mysql([$mid]) Constructeur de la classe m_mysql, initialise le membre concerne
*/
function m_mysql() {
global $cuid;
if (!empty($cuid)) {
$this->dbus = new DB_users();
}
variable_get('sql_allow_users_backups', 1, 'Set 1 to allow users to configure backup of their databases, 0 if you want do disable this feature. Warning: it will not stop configured backup made by sqlbackup.sh');
}
function reload_dbus() {
$this->dbus = new DB_users();
}
function list_db_servers() {
global $db;
$db->query("select d.*, IFNULL(count(m.uid),0) as nb_users from db_servers d left join membres m on d.id = m.db_server_id group by d.id,m.db_server_id order by d.name,d.id;");
$c = array();
while ($db->next_record()) {
$c[] = $db->Record;
}
return $c;
}
function hook_menu() {
global $quota;
$q = $quota->getquota("mysql");
$obj = array(
'title' => _("MySQL"),
'ico' => 'images/mysql.png',
'link' => 'toggle',
'pos' => 100,
'links' => array(),
);
$obj['links'][] = array(
'txt' => _("Databases"),
'url' => "sql_list.php",
);
$obj['links'][] = array(
'txt' => _("MySQL Users"),
'url' => "sql_users_list.php",
);
if ($q["u"] > 0) {
$obj['links'][] = array(
'txt' => _("PhpMyAdmin"),
'url' => "sql_pma_sso.php",
'target' => '_blank',
);
}
return $obj;
}
/* ----------------------------------------------------------------- */
/**
* Password kind used in this class (hook for admin class)
*/
function alternc_password_policy() {
return array("mysql" => "MySQL users");
}
/* --------------------------------------------------------------------------- */
/** Get the list of the database for the current user.
* @return array returns an associative array as follow : <br>
* "db" => database name "bck" => backup mode for this db
* "dir" => Backup folder.
* Returns an array (empty) if no databases
*/
function get_dblist() {
global $db, $err, $bro, $cuid;
$err->log("mysql", "get_dblist");
$db->free();
$db->query("SELECT login,pass,db, bck_mode, bck_dir FROM db WHERE uid='$cuid' ORDER BY db;");
$c = array();
while ($db->next_record()) {
list($dbu, $dbn) = split_mysql_database_name($db->f("db"));
$c[] = array("db" => $db->f("db"), "name" => $db->f('db'), "bck" => $db->f("bck_mode"), "dir" => $db->f("bck_dir"), "login" => $db->f("login"), "pass" => $db->f("pass"));
}
return $c;
}
/* --------------------------------------------------------------------------- */
/** Get the login and password of the special user able to connect to phpmyadmin
* @return array returns an associative array with login and password
* Returns FALSE if error
*/
function php_myadmin_connect() {
global $db, $cuid, $err;
$err->log("mysql", "php_myadmin_connect");
$db->query("SELECT dbu.name,dbu.password, dbs.host FROM dbusers dbu, db_servers dbs, membres m WHERE dbu.uid='$cuid' and enable='ADMIN' and dbs.id=m.db_server_id and m.uid='$cuid';");
if (!$db->num_rows()) {
$err->raise("mysql", _("Cannot connect to PhpMyAdmin"));
return false;
}
$db->next_record();
$info = array(
"login" => $db->f("name"),
"pass" => $db->f("password"),
"host" => $db->f("host")
);
return $info;
}
/* --------------------------------------------------------------------------- */
/** Returns the details of a user's database.
* $dbn is the name of the database (after the _) or nothing for the database "$user"
* @return string returns an associative array as follow :
* "db" => Name of the database
* "bck" => Current bckup mode
* "dir" => Backup directory
* "size" => Size of the database (in bytes)
* "pass" => Password of the user
* "history" => Number of backup we keep
* "gzip" => Does we compress the dumps ?
* Returns FALSE if the user has no database of if the database does not exist.
*/
function get_mysql_details($dbn) {
global $db, $err, $cuid;
$root = getuserpath();
$err->log("mysql", "get_mysql_details");
$pos = strpos($dbn, '_');
if ($pos === false) {
$dbname = $dbn;
} else {
$dbncomp = explode('_', $dbn);
$dbname = $dbn;
$dbn = $dbncomp[1];
}
$size = $this->get_db_size($dbname);
$db->query("SELECT login,pass,db, bck_mode, bck_gzip, bck_dir, bck_history FROM db WHERE uid='$cuid' AND db='$dbname';");
if (!$db->num_rows()) {
$err->raise("mysql", _("Database %s not found"), $dbn);
return array("enabled" => false);
}
$db->next_record();
list($dbu, $dbn) = split_mysql_database_name($db->f("db"));
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"));
}
/* --------------------------------------------------------------------------- */
/** Create a new database for the current user.
* @param $dbn string Database name ($user_$dbn is the mysql db name)
* @return boolean if the database $user_$db has been successfully created, or FALSE if
* an error occured, such as over quota user.
*/
function add_db($dbn) {
global $db, $err, $quota, $cuid;
$err->log("mysql", "add_db", $dbn);
$password_user = "";
if (!$quota->cancreate("mysql")) {
$err->raise("mysql", _("Your databases quota is over. You cannot create more databases"));
return false;
}
$pos = strpos($dbn, '_');
if ($pos === false) {
$dbname = $dbn;
} else {
$dbncomp = explode('_', $dbn);
$dbname = $dbn;
$dbn = $dbncomp[1];
if (empty($dbn)) { // If nothing after the '_'
$err->raise("mysql", _("Database can't have empty suffix"));
return false;
}
}
if (!preg_match("#^[0-9a-z]*$#", $dbn)) {
$err->raise("mysql", _("Database name can contain only letters and numbers"));
return false;
}
if (strlen($dbname) > 64) {
$err->raise("mysql", _("Database name cannot exceed 64 characters"));
return false;
}
$db->query("SELECT * FROM db WHERE db='$dbname';");
if ($db->num_rows()) {
$err->raise("mysql", _("Database %s already exists"), $dbn);
return false;
}
$db->query("SELECT name from dbusers where name='" . $dbname . "' and enable='ACTIVATED' ;");
if (!$db->num_rows()) {
$password_user = create_pass(8);
if (!$this->add_user($dbn, $password_user, $password_user)) {
}
}
//checking for the phpmyadmin user
$db->query("SELECT * FROM dbusers WHERE uid=$cuid AND enable='ADMIN';");
if ($db->num_rows()) {
$db->next_record();
$myadm = $db->f("name");
$password = $db->f("password");
} else {
$err->raise("mysql", _("There is a problem with the special PhpMyAdmin user. Contact the administrator"));
return false;
}
//Grant the special user every rights.
if ($this->dbus->query("CREATE DATABASE `$dbname`;")) {
$err->log("mysql", "add_db_succes", $dbn);
// Ok, database does not exist, quota is ok and dbname is compliant. Let's proceed
$db->query("INSERT INTO db (uid,login,pass,db,bck_mode) VALUES ('$cuid','$myadm','$password','$dbname',0);");
$dbuser = $dbname;
$dbname = str_replace('_', '\_', $dbname);
$this->grant($dbname, $myadm, "ALL PRIVILEGES", $password);
if (!empty($password_user)) {
$this->grant($dbname, $dbuser, "ALL PRIVILEGES", $password_user);
}
$this->dbus->query("FLUSH PRIVILEGES;");
return true;
} else {
$err->log("mysql", "add_db", $dbn);
$err->raise("mysql", _("An error occured. The database could not be created"));
return false;
}
}
/* --------------------------------------------------------------------------- */
/** Delete a database for the current user.
* @param $dbn string Name of the database to delete. The db name is $user_$dbn
* @return boolean if the database $user_$db has been successfully deleted, or FALSE if
* an error occured, such as db does not exist.
*/
function del_db($dbn) {
global $db, $err, $cuid;
$err->log("mysql", "del_db", $dbn);
$dbname = addslashes($dbn);
$db->query("SELECT uid FROM db WHERE db='$dbname';");
if (!$db->num_rows()) {
$err->raise("mysql", _("The database was not found. I can't delete it"));
return false;
}
$db->next_record();
// Ok, database exists and dbname is compliant. Let's proceed
$db->query("DELETE FROM size_db WHERE db='$dbname';");
$db->query("DELETE FROM db WHERE uid='$cuid' AND db='$dbname';");
$this->dbus->query("DROP DATABASE `$dbname`;");
$db_esc = str_replace('_', '\_', $dbname);
$this->dbus->query("DELETE FROM mysql.db WHERE Db='$db_esc';");
#We test if the user created with the database is associated with more than 1 database.
$this->dbus->query("select User from mysql.db where User='" . $dbname . "' and (Select_priv='Y' or Insert_priv='Y' or Update_priv='Y' or Delete_priv='Y' or Create_priv='Y' or Drop_priv='Y' or References_priv='Y' or Index_priv='Y' or Alter_priv='Y' or Create_tmp_table_priv='Y' or Lock_tables_priv='Y');");
if (($this->dbus->num_rows()) == 0) {
#If not we can delete it.
$this->del_user($dbname);
}
return true;
}
/* --------------------------------------------------------------------------- */
/** Set the backup parameters for the database $db
* @param $dbn string database name
* @param $bck_mode integer Backup mode (0 = none 1 = daily 2 = weekly)
* @param $bck_history integer How many backup should we keep ?
* @param $bck_gzip boolean shall we compress the backup ?
* @param $bck_dir string Directory relative to the user account where the backup will be stored
* @return boolean true if the backup parameters has been successfully changed, false if not.
*/
function put_mysql_backup($dbn, $bck_mode, $bck_history, $bck_gzip, $bck_dir) {
global $db, $err, $bro, $cuid;
$err->log("mysql", "put_mysql_backup");
if (!variable_get('sql_allow_users_backups')) {
$err->raise("mysql", _("User aren't allowed to configure their backups"));
return false;
}
$pos = strpos($dbn, '_');
if ($pos === false) {
$dbname = $dbn;
} else {
$dbncomp = explode('_', $dbn);
$dbname = $dbn;
$dbn = $dbncomp[1];
}
if (!preg_match("#^[0-9a-z]*$#", $dbn)) {
$err->raise("mysql", _("Database name can contain only letters and numbers"));
return false;
}
$db->query("SELECT * FROM db WHERE uid='$cuid' AND db='$dbname';");
if (!$db->num_rows()) {
$err->raise("mysql", _("Database %s not found"), $dbn);
return false;
}
$db->next_record();
$bck_mode = intval($bck_mode);
$bck_history = intval($bck_history);
if ($bck_gzip) {
$bck_gzip = "1";
} else {
$bck_gzip = "0";
}
if (!$bck_mode) {
$bck_mode = "0";
}
if (!$bck_history) {
$err->raise("mysql", _("You have to choose how many backups you want to keep"));
return false;
}
if (($bck_dir = $bro->convertabsolute($bck_dir, 0)) === false) { // return a full path or FALSE
$err->raise("mysql", _("Directory does not exist"));
return false;
}
$db->query("UPDATE db SET bck_mode='$bck_mode', bck_history='$bck_history', bck_gzip='$bck_gzip', bck_dir='$bck_dir' WHERE uid='$cuid' AND db='$dbname';");
return true;
}
/* --------------------------------------------------------------------------- */
/** 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) {
global $db, $err, $cuid, $admin;
$err->log("mysql", "put_mysql_details");
$db->query("SELECT * FROM db WHERE uid='$cuid';");
if (!$db->num_rows()) {
$err->raise("mysql", _("Database not found"));
return false;
}
$db->next_record();
$login = $db->f("login");
if (!$password) {
$err->raise("mysql", _("The password is mandatory"));
return false;
}
if (strlen($password) > 16) {
$err->raise("mysql", _("MySQL password cannot exceed 16 characters"));
return false;
}
// Check this password against the password policy using common API :
if (is_callable(array($admin, "checkPolicy"))) {
if (!$admin->checkPolicy("mysql", $login, $password)) {
return false; // The error has been raised by checkPolicy()
}
}
// Update all the "pass" fields for this user :
$db->query("UPDATE db SET pass='$password' WHERE uid='$cuid';");
$this->dbus->query("SET PASSWORD FOR " . $login . "@" . $this->dbus->Client . " = PASSWORD('$password');");
return true;
}
/**
* Function used to grant SQL rights to users:
* @base :database
* @user : database user
* @rights : rights to apply ( optional, every rights apply given if missing
* @pass : user password ( optional, if not given the pass stays the same, else it takes the new value )
* @table : sql tables to apply rights
* */
function grant($base, $user, $rights = null, $pass = null, $table = '*') {
global $err, $db;
$err->log("mysql", "grant", $base . "-" . $rights . "-" . $user);
if (!preg_match("#^[0-9a-z_\\*\\\\]*$#", $base)) {
$err->raise("mysql", _("Database name can contain only letters and numbers"));
return false;
} elseif (!$this->dbus->query("select db from db where db='$base';")) {
$err->raise("mysql", _("Database not found"));
return false;
}
if ($rights == null) {
$rights = 'ALL PRIVILEGES';
} elseif (!preg_match("#^[a-zA-Z,\s]*$#", $rights)) {
$err->raise("mysql", _("Databases rights are not correct"));
return false;
}
if (!preg_match("#^[0-9a-z]#", $user)) {
$err->raise("mysql", _("The username can contain only letters and numbers."));
return false;
}
$db->query("select name from dbusers where name='" . $user . "' ;");
if (!$db->num_rows()) {
$err->raise("mysql", _("Database user not found"));
return false;
}
# Protect database name if not wildcard
if ($base != '*') {
$base = "`" . $base . "`";
}
$grant = "grant " . $rights . " on " . $base . "." . $table . " to '" . $user . "'@'" . $this->dbus->Client . "'";
if ($pass) {
$grant .= " identified by '" . $pass . "';";
} else {
$grant .= ";";
}
if (!$this->dbus->query($grant)) {
$err->raise("mysql", _("Could not grant rights"));
return false;
}
return true;
}
/* ----------------------------------------------------------------- */
/** Restore a sql database.
* @param $file string The filename, relative to the user root dir, which contains a sql dump
* @param $stdout boolean shall-we dump the error to stdout ?
* @param $id integer The ID of the database to dump to.
* @return boolean TRUE if the database has been restored, or FALSE if an error occurred
*/
function restore($file, $stdout, $id) {
global $err, $bro;
if (empty($file)) {
$err->raise("mysql", _("No file specified"));
return false;
}
if (!$r = $this->get_mysql_details($id)) {
return false;
}
if (!($fi = $bro->convertabsolute($file, 0))) {
$err->raise("mysql", _("File not found"));
return false;
}
if (!file_exists($fi)) {
$err->raise("mysql", _("File not found"));
return false;
}
if (substr($fi, -3) == ".gz") {
$exe = "/bin/gzip -d -c <" . escapeshellarg($fi) . " | /usr/bin/mysql -h" . escapeshellarg($this->dbus->Host) . " -u" . escapeshellarg($r["login"]) . " -p" . escapeshellarg($r["pass"]) . " " . escapeshellarg($r["db"]);
} elseif (substr($fi, -4) == ".bz2") {
$exe = "/usr/bin/bunzip2 -d -c <" . escapeshellarg($fi) . " | /usr/bin/mysql -h" . escapeshellarg($this->dbus->Host) . " -u" . escapeshellarg($r["login"]) . " -p" . escapeshellarg($r["pass"]) . " " . escapeshellarg($r["db"]);
} else {
$exe = "/usr/bin/mysql -h" . escapeshellarg($this->dbus->Host) . " -u" . escapeshellarg($r["login"]) . " -p" . escapeshellarg($r["pass"]) . " " . escapeshellarg($r["db"]) . " <" . escapeshellarg($fi);
}
$exe .= " 2>&1";
echo "<code><pre>";
$ret = 0;
if ($stdout) {
passthru($exe, $ret);
} else {
exec($exe, $ret);
}
echo "</pre></code>";
if ($ret != 0) {
return false;
} else {
return true;
}
}
/* ----------------------------------------------------------------- */
/** Get the size of a database
* @param $dbname name of the database
* @return integer database size
* @access private
*/
function get_db_size($dbname) {
$this->dbus->query("SHOW TABLE STATUS FROM `$dbname`;");
$size = 0;
while ($this->dbus->next_record()) {
$size += $this->dbus->f('Data_length') + $this->dbus->f('Index_length');
if ($this->dbus->f('Engine') != 'InnoDB') {
$size += $this->dbus->f('Data_free');
}
}
return $size;
}
/* ------------------------------------------------------------ */
/**
* Returns the list of database users of an account
* */
function get_userslist($all = null) {
global $db, $err, $cuid;
$err->log("mysql", "get_userslist");
$c = array();
if (!$all) {
$db->query("SELECT name FROM dbusers WHERE uid='$cuid' and enable not in ('ADMIN','HIDDEN') ORDER BY name;");
} else {
$db->query("SELECT name FROM dbusers WHERE uid='$cuid' ORDER BY name;");
}
while ($db->next_record()) {
$pos = strpos($db->f("name"), "_");
if ($pos === false) {
$c[] = array("name" => ($db->f("name")));
} else {
$c[] = array("name" => ($db->f("name")));
//$c[]=array("name"=>substr($db->f("name"),strpos($db->f("name"),"_")+1));
}
}
return $c;
}
function get_defaultsparam($dbn) {
global $db, $err, $cuid;
$err->log("mysql", "getdefaults");
$dbu = $dbn;
$r = array();
$dbn = str_replace('_', '\_', $dbn);
$this->dbus->query("Select * from mysql.db where Db='" . $dbn . "' and User!='" . $cuid . "_myadm';");
if (!$db->num_rows()) {
return $r;
}
while ($db->next_record()) {
$variable = $db->Record;
if ($variable['User'] == $dbu) {
$r['Host'] = $db->f('Host');
if ($db->f('Select_priv') !== "Y") {
return $r;
}
if ($db->f('Insert_priv') !== "Y") {
return $r;
}
if ($db->f('Update_priv') !== "Y") {
return $r;
}
if ($db->f('Delete_priv') !== "Y") {
return $r;
}
if ($db->f('Create_priv') !== "Y") {
return $r;
}
if ($db->f('Drop_priv') !== "Y") {
return $r;
}
if ($db->f('References_priv') !== "Y") {
return $r;
}
if ($db->f('Index_priv') !== "Y") {
return $r;
}
if ($db->f('Alter_priv') !== "Y") {
return $r;
}
if ($db->f('Create_tmp_table_priv') !== "Y") {
return $r;
}
if ($db->f('Lock_tables_priv') !== "Y") {
return $r;
}
if ($db->f('Create_view_priv') !== "Y") {
return $r;
}
if ($db->f('Show_view_priv') !== "Y") {
return $r;
}
if ($db->f('Create_routine_priv') !== "Y") {
return $r;
}
if ($db->f('Alter_routine_priv') !== "Y") {
return $r;
}
if ($db->f('Execute_priv') !== "Y") {
return $r;
}
if ($db->f('Event_priv') !== "Y") {
return $r;
}
if ($db->f('Trigger_priv') !== "Y") {
return $r;
}
}
} //endwhile
if (!$db->query("SELECT name,password from dbusers where name='" . $dbu . "';")) {
return $r;
}
if (!$db->num_rows()) {
return $r;
}
$db->next_record();
$r['user'] = $db->f('name');
$r['password'] = $db->f('password');
return $r;
}
/* ------------------------------------------------------------ */
/**
* Create a new user in MySQL rights tables
* @param $usern the username (we will add _[alternc-account] to it)
* @param string $password The password for this username
* @param string $passconf The password confirmation
* @return boolean if the user has been created in MySQL or FALSE if an error occurred
* */
function add_user($usern, $password, $passconf) {
global $db, $err, $mem, $cuid, $admin;
$err->log("mysql", "add_user", $usern);
$usern = trim($usern);
$login = $mem->user["login"];
if ($login != $usern) {
$user = addslashes($login . "_" . $usern);
} else {
$user = $usern;
}
$pass = addslashes($password);
if (!$usern) {
$err->raise("mysql", _("The username is mandatory"));
return false;
}
if (!$pass) {
$err->raise("mysql", _("The password is mandatory"));
return false;
}
if (!preg_match("#^[0-9a-z]#", $usern)) {
$err->raise("mysql", _("The username can contain only letters and numbers"));
return false;
}
// We check the length of the COMPLETE username, not only the part after _
if (strlen($user) > 16) {
$err->raise("mysql", _("MySQL username cannot exceed 16 characters"));
return false;
}
$db->query("SELECT * FROM dbusers WHERE name='$user';");
if ($db->num_rows()) {
$err->raise("mysql", _("The database user already exists"));
return false;
}
if ($password != $passconf || !$password) {
$err->raise("mysql", _("The passwords do not match"));
return false;
}
// Check this password against the password policy using common API :
if (is_callable(array($admin, "checkPolicy"))) {
if (!$admin->checkPolicy("mysql", $user, $password)) {
return false; // The error has been raised by checkPolicy()
}
}
// We add him to the user table
$db->query("INSERT INTO dbusers (uid,name,password,enable) VALUES($cuid,'$user','$password','ACTIVATED');");
$this->grant("*", $user, "USAGE", $pass);
return true;
}
/* ------------------------------------------------------------ */
/**
* Change a user's MySQL password
* @param $usern the username
* @param $password The password for this username
* @param $passconf The password confirmation
* @return boolean if the password has been changed in MySQL or FALSE if an error occurred
* */
function change_user_password($usern, $password, $passconf) {
global $db, $err, $cuid, $admin;
$err->log("mysql", "change_user_pass", $usern);
$usern = trim($usern);
$user = addslashes($usern);
$pass = addslashes($password);
if ($password != $passconf || !$password) {
$err->raise("mysql", _("The passwords do not match"));
return false;
}
// Check this password against the password policy using common API :
if (is_callable(array($admin, "checkPolicy"))) {
if (!$admin->checkPolicy("mysql", $user, $password)) {
return false; // The error has been raised by checkPolicy()
}
}
$this->dbus->query("SET PASSWORD FOR '" . $user . "'@'" . $this->dbus->Client . "' = PASSWORD('" . $pass . "');");
$db->query("UPDATE dbusers set password='" . $pass . "' where name='" . $usern . "' and uid=$cuid ;");
return true;
}
/* ------------------------------------------------------------ */
/**
* Delete a user in MySQL rights tables
* @param $user the username (we will add "[alternc-account]_" to it) to delete
* @param integer $all
* @return boolean if the user has been deleted in MySQL or FALSE if an error occurred
* */
function del_user($user, $all = null) {
global $db, $err, $cuid;
$err->log("mysql", "del_user", $user);
if (!preg_match("#^[0-9a-z]#", $user)) {
$err->raise("mysql", _("The username can contain only letters and numbers"));
return false;
}
if (!$all) {
$db->query("SELECT name FROM dbusers WHERE name='" . $user . "' and enable not in ('ADMIN','HIDDEN');");
} else {
$db->query("SELECT name FROM dbusers WHERE uid='" . $cuid . "' ;");
}
if (!$db->num_rows()) {
$err->raise("mysql", _("The username was not found"));
return false;
}
$db->next_record();
$login = $db->f("name");
// Ok, database exists and dbname is compliant. Let's proceed
$this->dbus->query("REVOKE ALL PRIVILEGES ON *.* FROM '" . $user . "'@'" . $this->dbus->Client . "';");
$this->dbus->query("DELETE FROM mysql.db WHERE User='" . $user . "' AND Host='" . $this->dbus->Client . "';");
$this->dbus->query("DELETE FROM mysql.user WHERE User='" . $user . "' AND Host='" . $this->dbus->Client . "';");
$this->dbus->query("FLUSH PRIVILEGES");
$db->query("DELETE FROM dbusers WHERE uid='$cuid' AND name='" . $user . "';");
return true;
}
/* ------------------------------------------------------------ */
/**
* Return the list of the database rights of user $user
* @param $user the username
* @return array An array of database name and rights
* */
function get_user_dblist($user) {
global $db, $err;
$this->dbus->query("SELECT * FROM mysql.user WHERE User='" . $user . "' AND Host='" . $this->dbus->Client . "';");
if (!$this->dbus->next_record()) {
$err->raise('mysql', _("This user does not exist in the MySQL/User database"));
return false;
}
$r = array();
$db->free();
$dblist = $this->get_dblist();
foreach ($dblist as $tab) {
$pos = strpos($tab['db'], "_");
if ($pos === false) {
$this->dbus->query("SELECT * FROM mysql.db WHERE User='" . $user . "' AND Host='" . $this->dbus->Client . "' AND Db='" . $tab["db"] . "';");
} else {
$dbname = str_replace('_', '\_', $tab['db']);
$this->dbus->query("SELECT * FROM mysql.db WHERE User='" . $user . "' AND Host='" . $this->dbus->Client . "' AND Db='" . $dbname . "';");
}
if ($this->dbus->next_record()) {
$r[] = array("db" => $tab["db"], "select" => $this->dbus->f("Select_priv"), "insert" => $this->dbus->f("Insert_priv"), "update" => $this->dbus->f("Update_priv"), "delete" => $this->dbus->f("Delete_priv"), "create" => $this->dbus->f("Create_priv"), "drop" => $this->dbus->f("Drop_priv"), "references" => $this->dbus->f("References_priv"), "index" => $this->dbus->f("Index_priv"), "alter" => $this->dbus->f("Alter_priv"), "create_tmp" => $this->dbus->f("Create_tmp_table_priv"), "lock" => $this->dbus->f("Lock_tables_priv"),
"create_view" => $this->dbus->f("Create_view_priv"),
"show_view" => $this->dbus->f("Show_view_priv"),
"create_routine" => $this->dbus->f("Create_routine_priv"),
"alter_routine" => $this->dbus->f("Alter_routine_priv"),
"execute" => $this->dbus->f("Execute_priv"),
"event" => $this->dbus->f("Event_priv"),
"trigger" => $this->dbus->f("Trigger_priv")
);
} else {
$r[] = array("db" => $tab['db'], "select" => "N", "insert" => "N", "update" => "N", "delete" => "N", "create" => "N", "drop" => "N", "references" => "N", "index" => "N", "alter" => "N", "create_tmp" => "N", "lock" => "N", "create_view" => "N", "show_view" => "N", "create_routine" => "N", "alter_routine" => "N", "execute" => "N", "event" => "N", "trigger" => "N");
}
}
return $r;
}
/* ------------------------------------------------------------ */
/**
* Set the access rights of user $user to database $dbn to be rights $rights
* @param $user the username to give rights to
* @param $dbn The database to give rights to
* @param $rights The rights as an array of MySQL keywords (insert, select ...)
* @return boolean TRUE if the rights has been applied or FALSE if an error occurred
*
* */
function set_user_rights($user, $dbn, $rights) {
global $err;
$err->log("mysql", "set_user_rights");
$usern = addslashes($user);
$dbname = addslashes($dbn);
$dbname = str_replace('_', '\_', $dbname);
// On genere les droits en fonction du tableau de droits
$strrights = "";
for ($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;
case "create_view":
$strrights.="CREATE VIEW,";
break;
case "show_view":
$strrights.="SHOW VIEW,";
break;
case "create_routine":
$strrights.="CREATE ROUTINE,";
break;
case "alter_routine":
$strrights.="ALTER ROUTINE,";
break;
case "execute":
$strrights.="EXECUTE,";
break;
case "event":
$strrights.="EVENT,";
break;
case "trigger":
$strrights.="TRIGGER,";
break;
}
}
// We reset all user rights on this DB :
$this->dbus->query("SELECT * FROM mysql.db WHERE User = '$usern' AND Db = '$dbname';");
if ($this->dbus->num_rows()) {
$this->dbus->query("REVOKE ALL PRIVILEGES ON `$dbname`.* FROM '$usern'@'" . $this->dbus->Client . "';");
}
if ($strrights) {
$strrights = substr($strrights, 0, strlen($strrights) - 1);
$this->grant($dbname, $usern, $strrights);
}
$this->dbus->query("FLUSH PRIVILEGES");
return TRUE;
}
function available_sql_rights() {
return Array('select', 'insert', 'update', 'delete', 'create', 'drop', 'references', 'index', 'alter', 'create_tmp', 'lock', 'create_view', 'show_view', 'create_routine', 'alter_routine', 'execute', 'event', 'trigger');
}
/* ----------------------------------------------------------------- */
/** Hook function called by the lxc class to set mysql_host and port
* parameters
* @access private
*/
function hook_lxc_params($params) {
global $err;
$err->log("mysql", "alternc_get_quota");
$p = array();
if (isset($this->dbus["Host"]) && $this->dbus["Host"] != "") {
$p["mysql_host"] = $this->dbus["Host"];
$p["mysql_port"] = 3306;
}
return $p;
}
/* ----------------------------------------------------------------- */
/** 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 hook_quota_get() {
global $err;
$err->log("mysql", "alternc_get_quota");
$q = Array("name" => "mysql", "description" => _("MySQL Databases"), "used" => 0);
$c = $this->get_dblist();
if (is_array($c)) {
$q['used'] = count($c);
}
return $q;
}
/* ----------------------------------------------------------------- */
/** Hook function called when a user is created.
* AlternC's standard function that create a member
* @access private
*/
function alternc_add_member() {
global $db, $err, $cuid, $mem;
$err->log("mysql", "alternc_add_member");
//checking for the phpmyadmin user
$db->query("SELECT name,password FROM dbusers WHERE uid=$cuid AND Type='ADMIN';");
if ($db->num_rows()) {
$myadm = $db->f("name");
$password = $db->f("password");
} else {
$myadm = $cuid . "_myadm";
$password = create_pass(8);
}
$db->query("INSERT INTO dbusers (uid,name,password,enable) VALUES ('$cuid','$myadm','$password','ADMIN');");
return true;
}
/* ----------------------------------------------------------------- */
/** Hook function called when a user is deleted.
* AlternC's standard function that delete a member
* @access private
*/
function alternc_del_member() {
global $err;
$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"]);
}
}
$d = $this->get_userslist(1);
if (!empty($d)) {
for ($i = 0; $i < count($d); $i++) {
$this->del_user($d[$i]["name"], 1);
}
}
return true;
}
/* ----------------------------------------------------------------- */
/** Hook function called when a user is logged out.
* We just remove the cookie created in admin/sql_admin.php
a @access private
*/
function alternc_del_session() {
$_SESSION['PMA_single_signon_user'] = '';
$_SESSION['PMA_single_signon_password'] = '';
$_SESSION['PMA_single_signon_host'] = '';
}
/* ----------------------------------------------------------------- */
/**
* Exporte all the mysql information of an account
* @access private
* EXPERIMENTAL 'sid' function ;)
*/
function alternc_export_conf() {
//TODO don't work with separated sql server for dbusers
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';");
$str = "";
if ($db->next_record()) {
$str.=" <sql>\n";
$str.=" <login>" . $db->Record["login"] . "</login>\n";
$str.=" <pass>" . $db->Record["pass"] . "</pass>\n";
do {
$filename = $tmpdir . "/mysql." . $db->Record["db"] . ".sql.gz"; // FIXME not used
$str.=" <database>" . ($db->Record["db"]) . "</database>\n";
$str.=" <password>" . ($db->Record["pass"]) . "</password>\n";
if ($s["bck_mode"] != 0) { // FIXME what is $s ?
$str.=" <backup-mode>" . ($db->Record["bck_mode"]) . "</backup-mode>\n";
$str.=" <backup-dir>" . ($db->Record["bck_dir"]) . "</backup-dir>\n";
$str.=" <backup-history>" . ($db->Record["bck_history"]) . "</backup-history>\n";
$str.=" <backup-gzip>" . ($db->Record["bck_gzip"]) . "</backup-gzip>\n";
}
} while ($db->next_record());
$str.=" </sql>\n";
}
return $str;
}
/* ----------------------------------------------------------------- */
/**
* Exporte all the mysql databases a of give account to $dir directory
* @access private
* EXPERIMENTAL 'sid' function ;)
*/
function alternc_export_data($dir) {
global $db, $err, $cuid;
$err->log("mysql", "export_data");
$db->query("SELECT db.login, db.pass, db.db, dbusers.name FROM db,dbusers WHERE db.uid='$cuid' AND dbusers.uid=db.uid;");
$dir.="sql/";
if (!is_dir($dir)) {
if (!mkdir($dir)) {
$err->raise('mysql', _("The directory could not be created"));
}
}
// on exporte toutes les bases utilisateur.
while ($db->next_record()) {
$filename = $dir . "mysql." . $db->Record["db"] . "." . date("H:i:s") . ".sql.gz";
exec("/usr/bin/mysqldump --defaults-file=/etc/alternc/my.cnf --add-drop-table --allow-keywords -Q -f -q -a -e " . escapeshellarg($db->Record["db"]) . " |/bin/gzip >" . escapeshellarg($filename));
}
}
/* ----------------------------------------------------------------- */
/**
* Return the size of each databases in a SQL Host given in parameter
* @param $db_name the human name of the host
* @param $db_host the host hosting the SQL databases
* @param $db_login the login to access the SQL db
* @param $db_password the password to access the SQL db
* @param $db_client the client to access the SQL db
* @return an array associating the name of the databases to their sizes : array(dbname=>size)
*/
function get_dbus_size($db_name, $db_host, $db_login, $db_password, $db_client) {
global $err;
$err->log("mysql", "get_dbus_size", $db_host);
# We create the object with empty parameters
$this->dbus = new DB_users(true);
# Modify the object with right parameters
$this->dbus->HumanHostname = $db_name;
$this->dbus->Host = $db_host;
$this->dbus->User = $db_login;
$this->dbus->Password = $db_password;
$this->dbus->Client = $db_client;
$this->dbus->query("show databases;");
$res = array();
while ($this->dbus->next_record()) {
$dbname = $this->dbus->f("Database");
$c = mysql_query("SHOW TABLE STATUS FROM $dbname;");
$size = 0;
while ($d = mysql_fetch_array($c)) {
$size+=$d["Data_length"] + $d["Index_length"];
}
$res["$dbname"] = "$size";
}
return $res;
}
}
/* Class m_mysql */