/**
* Get SQL queries for Display and Add user
*
* @param string $username username
* @param string $hostname host name
* @param string $password password
*
* @return array ($create_user_real, $create_user_show,$real_sql_query, $sql_query
* $password_set_real, $password_set_show)
*/
function PMA_getSqlQueriesForDisplayAndAddUser($username, $hostname, $password)
{
$slashedUsername = Util::sqlAddSlashes($username);
$slashedHostname = Util::sqlAddSlashes($hostname);
$slashedPassword = Util::sqlAddSlashes($password);
$serverType = Util::getServerType();
$create_user_stmt = sprintf('CREATE USER \'%s\'@\'%s\'', $slashedUsername, $slashedHostname);
// See https://github.com/phpmyadmin/phpmyadmin/pull/11560#issuecomment-147158219
// for details regarding details of syntax usage for various versions
// 'IDENTIFIED WITH auth_plugin'
// is supported by MySQL 5.5.7+
if (($serverType == 'MySQL' || $serverType == 'Percona Server') && PMA_MYSQL_INT_VERSION >= 50507 && isset($_REQUEST['authentication_plugin'])) {
$create_user_stmt .= ' IDENTIFIED WITH ' . $_REQUEST['authentication_plugin'];
}
// 'IDENTIFIED VIA auth_plugin'
// is supported by MariaDB 5.2+
if ($serverType == 'MariaDB' && PMA_MYSQL_INT_VERSION >= 50200 && isset($_REQUEST['authentication_plugin'])) {
$create_user_stmt .= ' IDENTIFIED VIA ' . $_REQUEST['authentication_plugin'];
}
$create_user_real = $create_user_show = $create_user_stmt;
$password_set_stmt = 'SET PASSWORD FOR \'%s\'@\'%s\' = \'%s\'';
$password_set_show = sprintf($password_set_stmt, $slashedUsername, $slashedHostname, '***');
$sql_query_stmt = sprintf('GRANT %s ON *.* TO \'%s\'@\'%s\'', join(', ', PMA_extractPrivInfo()), $slashedUsername, $slashedHostname);
$real_sql_query = $sql_query = $sql_query_stmt;
// Set the proper hashing method
if (isset($_REQUEST['authentication_plugin'])) {
PMA_setProperPasswordHashing($_REQUEST['authentication_plugin']);
}
// Use 'CREATE USER ... WITH ... AS ..' syntax for
// newer MySQL versions
// and 'CREATE USER ... USING .. VIA ..' syntax for
// newer MariaDB versions
if (($serverType == 'MySQL' || $serverType == 'Percona Server') && PMA_MYSQL_INT_VERSION >= 50706 || $serverType == 'MariaDB' && PMA_MYSQL_INT_VERSION >= 50200) {
$password_set_real = null;
// Required for binding '%' with '%s'
$create_user_stmt = str_replace('%', '%%', $create_user_stmt);
// MariaDB uses 'USING' whereas MySQL uses 'AS'
if ($serverType == 'MariaDB') {
$create_user_stmt .= ' USING \'%s\'';
} else {
$create_user_stmt .= ' AS \'%s\'';
}
if ($_POST['pred_password'] == 'keep') {
$create_user_real = sprintf($create_user_stmt, $slashedPassword);
$create_user_show = sprintf($create_user_stmt, '***');
} else {
if ($_POST['pred_password'] == 'none') {
$create_user_real = sprintf($create_user_stmt, null);
$create_user_show = sprintf($create_user_stmt, '***');
} else {
$hashedPassword = PMA_getHashedPassword($_POST['pma_pw']);
$create_user_real = sprintf($create_user_stmt, $hashedPassword);
$create_user_show = sprintf($create_user_stmt, '***');
}
}
} else {
// Use 'SET PASSWORD' syntax for pre-5.7.6 MySQL versions
// and pre-5.2.0 MariaDB versions
if ($_POST['pred_password'] == 'keep') {
$password_set_real = sprintf($password_set_stmt, $slashedUsername, $slashedHostname, $slashedPassword);
} else {
if ($_POST['pred_password'] == 'none') {
$password_set_real = sprintf($password_set_stmt, $slashedUsername, $slashedHostname, null);
} else {
$hashedPassword = PMA_getHashedPassword($_POST['pma_pw']);
$password_set_real = sprintf($password_set_stmt, $slashedUsername, $slashedHostname, $hashedPassword);
}
}
}
// add REQUIRE clause
$require_clause = PMA_getRequireClause();
$real_sql_query .= $require_clause;
$sql_query .= $require_clause;
if (isset($_POST['Grant_priv']) && $_POST['Grant_priv'] == 'Y' || (isset($_POST['max_questions']) || isset($_POST['max_connections']) || isset($_POST['max_updates']) || isset($_POST['max_user_connections']))) {
$with_clause = PMA_getWithClauseForAddUserAndUpdatePrivs();
$real_sql_query .= $with_clause;
$sql_query .= $with_clause;
}
if (isset($create_user_real)) {
$create_user_real .= ';';
$create_user_show .= ';';
}
$real_sql_query .= ';';
$sql_query .= ';';
// No Global GRANT_OPTION privilege
if (!$GLOBALS['is_grantuser']) {
$real_sql_query = '';
$sql_query = '';
}
// Use 'SET PASSWORD' for pre-5.7.6 MySQL versions
// and pre-5.2.0 MariaDB
if ($serverType == 'MySQL' && PMA_MYSQL_INT_VERSION >= 50706 || $serverType == 'MariaDB' && PMA_MYSQL_INT_VERSION >= 50200) {
$password_set_real = null;
$password_set_show = null;
} else {
$password_set_real .= ";";
$password_set_show .= ";";
}
return array($create_user_real, $create_user_show, $real_sql_query, $sql_query, $password_set_real, $password_set_show);
}
/**
* 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 \'' . $username . '\'@\'' . $hostname . '\'' . ' IDENTIFIED with ' . $orig_auth_plugin . ' BY ' . ($password == '' ? '\'\'' : '\'' . PMA\libraries\Util::sqlAddSlashes($password) . '\'');
} else {
if ($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` = '" . $username . "' AND Host = '" . $hostname . "';";
} else {
$local_query = 'SET password = '******'' ? '\'\'' : $hashing_function . '(\'' . PMA\libraries\Util::sqlAddSlashes($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;");
}
