Your IP : 3.143.203.223
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* displays and handles the form where the user can change his password
* linked from index.php
*
* @package PhpMyAdmin
*/
/**
* Gets some core libraries
*/
require_once './libraries/common.inc.php';
/**
* Libraries needed for some functions
*/
require_once './libraries/server_privileges.lib.php';
$response = PMA\libraries\Response::getInstance();
$header = $response->getHeader();
$scripts = $header->getScripts();
$scripts->addFile('server_privileges.js');
/**
* Displays an error message and exits if the user isn't allowed to use this
* script
*/
if (! $GLOBALS['cfg']['ShowChgPassword']) {
$GLOBALS['cfg']['ShowChgPassword'] = $GLOBALS['dbi']->selectDb('mysql');
}
if ($cfg['Server']['auth_type'] == 'config' || ! $cfg['ShowChgPassword']) {
PMA\libraries\Message::error(
__('You don\'t have sufficient privileges to be here right now!')
)->display();
exit;
} // end if
/**
* If the "change password" form has been submitted, checks for valid values
* and submit the query or logout
*/
if (isset($_REQUEST['nopass'])) {
if ($_REQUEST['nopass'] == '1') {
$password = '';
} else {
$password = $_REQUEST['pma_pw'];
}
$change_password_message = PMA_setChangePasswordMsg();
$msg = $change_password_message['msg'];
if (! $change_password_message['error']) {
PMA_changePassword($password, $msg, $change_password_message);
} else {
PMA_getChangePassMessage($change_password_message);
}
}
/**
* If the "change password" form hasn't been submitted or the values submitted
* aren't valid -> displays the form
*/
// Displays an error message if required
if (isset($msg)) {
$msg->display();
unset($msg);
}
require_once './libraries/display_change_password.lib.php';
echo PMA_getHtmlForChangePassword('change_pw', $username, $hostname);
exit;
/**
* Send the message as an ajax request
*
* @param array $change_password_message Message to display
* @param string $sql_query SQL query executed
*
* @return void
*/
function PMA_getChangePassMessage($change_password_message, $sql_query = '')
{
if ($GLOBALS['is_ajax_request'] == true) {
/**
* If in an Ajax request, we don't need to show the rest of the page
*/
$response = PMA\libraries\Response::getInstance();
if ($change_password_message['error']) {
$response->addJSON('message', $change_password_message['msg']);
$response->setRequestStatus(false);
} else {
$sql_query = PMA\libraries\Util::getMessage(
$change_password_message['msg'],
$sql_query,
'success'
);
$response->addJSON('message', $sql_query);
}
exit;
}
}
/**
* Generate the message
*
* @return array error value and message
*/
function PMA_setChangePasswordMsg()
{
$error = false;
$message = PMA\libraries\Message::success(__('The profile has been updated.'));
if (($_REQUEST['nopass'] != '1')) {
if (strlen($_REQUEST['pma_pw']) === 0 || strlen($_REQUEST['pma_pw2']) === 0) {
$message = PMA\libraries\Message::error(__('The password is empty!'));
$error = true;
} elseif ($_REQUEST['pma_pw'] !== $_REQUEST['pma_pw2']) {
$message = PMA\libraries\Message::error(
__('The passwords aren\'t the same!')
);
$error = true;
} elseif (strlen($_REQUEST['pma_pw']) > 256) {
$message = PMA_Message::error(__('Password is too long!'));
$error = true;
}
}
return array('error' => $error, 'msg' => $message);
}
/**
* Change the password
*
* @param string $password New password
* @param string $message Message
* @param array $change_password_message Message to show
*
* @return void
*/
function PMA_changePassword($password, $message, $change_password_message)
{
global $auth_plugin;
$hashing_function = PMA_changePassHashingFunction();
$row = $GLOBALS['dbi']->fetchSingleRow('SELECT CURRENT_USER() as user');
$curr_user = $row['user'];
list($username, $hostname) = explode('@', $curr_user);
$serverType = PMA\libraries\Util::getServerType();
if (isset($_REQUEST['authentication_plugin'])
&& ! empty($_REQUEST['authentication_plugin'])
) {
$orig_auth_plugin = $_REQUEST['authentication_plugin'];
} else {
$orig_auth_plugin = PMA_getCurrentAuthenticationPlugin(
'change', $username, $hostname
);
}
$sql_query = 'SET password = '
. (($password == '') ? '\'\'' : $hashing_function . '(\'***\')');
if ($serverType == 'MySQL'
&& PMA_MYSQL_INT_VERSION >= 50706
) {
$sql_query = 'ALTER USER \'' . $GLOBALS['dbi']->escapeString($username)
. '\'@\'' . $GLOBALS['dbi']->escapeString($hostname)
. '\' IDENTIFIED WITH ' . $orig_auth_plugin . ' BY '
. (($password == '') ? '\'\'' : '\'***\'');
} else if (($serverType == 'MySQL'
&& PMA_MYSQL_INT_VERSION >= 50507)
|| ($serverType == 'MariaDB'
&& PMA_MYSQL_INT_VERSION >= 50200)
) {
// For MySQL versions 5.5.7+ and MariaDB versions 5.2+,
// explicitly set value of `old_passwords` so that
// it does not give an error while using
// the PASSWORD() function
if ($orig_auth_plugin == 'sha256_password') {
$value = 2;
} else {
$value = 0;
}
$GLOBALS['dbi']->tryQuery('SET `old_passwords` = ' . $value . ';');
}
PMA_changePassUrlParamsAndSubmitQuery(
$username, $hostname, $password,
$sql_query, $hashing_function, $orig_auth_plugin
);
$auth_plugin->handlePasswordChange($password);
PMA_getChangePassMessage($change_password_message, $sql_query);
PMA_changePassDisplayPage($message, $sql_query);
}
/**
* Generate the hashing function
*
* @return string $hashing_function
*/
function PMA_changePassHashingFunction()
{
if (PMA_isValid(
$_REQUEST['authentication_plugin'], 'identical', 'mysql_old_password'
)) {
$hashing_function = 'OLD_PASSWORD';
} else {
$hashing_function = 'PASSWORD';
}
return $hashing_function;
}
/**
* Changes password for a user
*
* @param string $username Username
* @param string $hostname Hostname
* @param string $password Password
* @param string $sql_query SQL query
* @param string $hashing_function Hashing function
* @param string $orig_auth_plugin Original Authentication Plugin
*
* @return void
*/
function PMA_changePassUrlParamsAndSubmitQuery(
$username, $hostname, $password, $sql_query, $hashing_function, $orig_auth_plugin
) {
$err_url = 'user_password.php' . PMA_URL_getCommon();
$serverType = PMA\libraries\Util::getServerType();
if ($serverType == 'MySQL' && PMA_MYSQL_INT_VERSION >= 50706) {
$local_query = 'ALTER USER \'' . $GLOBALS['dbi']->escapeString($username)
. '\'@\'' . $GLOBALS['dbi']->escapeString($hostname) . '\''
. ' IDENTIFIED with ' . $orig_auth_plugin . ' BY '
. (($password == '')
? '\'\''
: '\'' . $GLOBALS['dbi']->escapeString($password) . '\'');
} else if ($serverType == 'MariaDB'
&& PMA_MYSQL_INT_VERSION >= 50200
&& PMA_MYSQL_INT_VERSION < 100100
&& $orig_auth_plugin !== ''
) {
if ($orig_auth_plugin == 'mysql_native_password') {
// Set the hashing method used by PASSWORD()
// to be 'mysql_native_password' type
$GLOBALS['dbi']->tryQuery('SET old_passwords = 0;');
} else if ($orig_auth_plugin == 'sha256_password') {
// Set the hashing method used by PASSWORD()
// to be 'sha256_password' type
$GLOBALS['dbi']->tryQuery('SET `old_passwords` = 2;');
}
$hashedPassword = PMA_getHashedPassword($_POST['pma_pw']);
$local_query = "UPDATE `mysql`.`user` SET"
. " `authentication_string` = '" . $hashedPassword
. "', `Password` = '', "
. " `plugin` = '" . $orig_auth_plugin . "'"
. " WHERE `User` = '" . $GLOBALS['dbi']->escapeString($username)
. "' AND Host = '" . $GLOBALS['dbi']->escapeString($hostname) . "';";
} else {
$local_query = 'SET password = ' . (($password == '')
? '\'\''
: $hashing_function . '(\''
. $GLOBALS['dbi']->escapeString($password) . '\')');
}
if (! @$GLOBALS['dbi']->tryQuery($local_query)) {
PMA\libraries\Util::mysqlDie(
$GLOBALS['dbi']->getError(),
$sql_query,
false,
$err_url
);
}
// Flush privileges after successful password change
$GLOBALS['dbi']->tryQuery("FLUSH PRIVILEGES;");
}
/**
* Display the page
*
* @param string $message Message
* @param string $sql_query SQL query
*
* @return void
*/
function PMA_changePassDisplayPage($message, $sql_query)
{
echo '<h1>' , __('Change password') , '</h1>' , "\n\n";
echo PMA\libraries\Util::getMessage(
$message, $sql_query, 'success'
);
echo '<a href="index.php' , PMA_URL_getCommon()
, ' target="_parent">' , "\n"
, '<strong>' , __('Back') , '</strong></a>';
exit;
}