<?php /** * set of functions with the Privileges section in pma */ declare(strict_types=1); namespace PhpMyAdmin\Server; use PhpMyAdmin\Core; use PhpMyAdmin\DatabaseInterface; use PhpMyAdmin\Html\Generator; use PhpMyAdmin\Html\MySQLDocumentation; use PhpMyAdmin\Message; use PhpMyAdmin\Query\Compatibility; use PhpMyAdmin\Relation; use PhpMyAdmin\RelationCleanup; use PhpMyAdmin\Response; use PhpMyAdmin\Template; use PhpMyAdmin\Url; use PhpMyAdmin\Util; use function array_map; use function array_merge; use function array_unique; use function count; use function explode; use function htmlspecialchars; use function implode; use function in_array; use function is_array; use function ksort; use function max; use function mb_chr; use function mb_strpos; use function mb_strrpos; use function mb_strtolower; use function mb_strtoupper; use function mb_substr; use function preg_match; use function preg_replace; use function sprintf; use function str_replace; use function strlen; use function strpos; use function trim; use function uksort; /** * Privileges class */ class Privileges { /** @var Template */ public $template; /** @var RelationCleanup */ private $relationCleanup; /** @var DatabaseInterface */ public $dbi; /** @var Relation */ public $relation; /** * @param Template $template Template object * @param DatabaseInterface $dbi DatabaseInterface object * @param Relation $relation Relation object * @param RelationCleanup $relationCleanup RelationCleanup object */ public function __construct( Template $template, $dbi, Relation $relation, RelationCleanup $relationCleanup ) { $this->template = $template; $this->dbi = $dbi; $this->relation = $relation; $this->relationCleanup = $relationCleanup; } /** * Escapes wildcard in a database+table specification * before using it in a GRANT statement. * * Escaping a wildcard character in a GRANT is only accepted at the global * or database level, not at table level; this is why I remove * the escaping character. Internally, in mysql.tables_priv.Db there are * no escaping (for example test_db) but in mysql.db you'll see test\_db * for a db-specific privilege. * * @param string $dbname Database name * @param string $tablename Table name * * @return string the escaped (if necessary) database.table */ public function wildcardEscapeForGrant(string $dbname, string $tablename): string { if (strlen($dbname) === 0) { return '*.*'; } if (strlen($tablename) > 0) { return Util::backquote( Util::unescapeMysqlWildcards($dbname) ) . '.' . Util::backquote($tablename); } return Util::backquote($dbname) . '.*'; } /** * Generates a condition on the user name * * @param string $initial the user's initial * * @return string the generated condition */ public function rangeOfUsers($initial = '') { // strtolower() is used because the User field // might be BINARY, so LIKE would be case sensitive if ($initial === null || $initial === '') { return ''; } return " WHERE `User` LIKE '" . $this->dbi->escapeString($initial) . "%'" . " OR `User` LIKE '" . $this->dbi->escapeString(mb_strtolower($initial)) . "%'"; } /** * Parses privileges into an array, it modifies the array * * @param array $row Results row from * * @return void */ public function fillInTablePrivileges(array &$row) { $row1 = $this->dbi->fetchSingleRow( 'SHOW COLUMNS FROM `mysql`.`tables_priv` LIKE \'Table_priv\';', 'ASSOC' ); // note: in MySQL 5.0.3 we get "Create View', 'Show view'; // the View for Create is spelled with uppercase V // the view for Show is spelled with lowercase v // and there is a space between the words $av_grants = explode( '\',\'', mb_substr( $row1['Type'], mb_strpos($row1['Type'], '(') + 2, mb_strpos($row1['Type'], ')') - mb_strpos($row1['Type'], '(') - 3 ) ); $users_grants = explode(',', $row['Table_priv']); foreach ($av_grants as $current_grant) { $row[$current_grant . '_priv'] = in_array($current_grant, $users_grants) ? 'Y' : 'N'; } unset($row['Table_priv']); } /** * Extracts the privilege information of a priv table row * * @param array|null $row the row * @param bool $enableHTML add <dfn> tag with tooltips * @param bool $tablePrivs whether row contains table privileges * * @return array * * @global resource $user_link the database connection */ public function extractPrivInfo($row = null, $enableHTML = false, $tablePrivs = false) { if ($tablePrivs) { $grants = $this->getTableGrantsArray(); } else { $grants = $this->getGrantsArray(); } if ($row !== null && isset($row['Table_priv'])) { $this->fillInTablePrivileges($row); } $privs = []; $allPrivileges = true; foreach ($grants as $current_grant) { if (($row === null || ! isset($row[$current_grant[0]])) && ($row !== null || ! isset($GLOBALS[$current_grant[0]])) ) { continue; } if (($row !== null && $row[$current_grant[0]] === 'Y') || ($row === null && ($GLOBALS[$current_grant[0]] === 'Y' || (is_array($GLOBALS[$current_grant[0]]) && count($GLOBALS[$current_grant[0]]) == $_REQUEST['column_count'] && empty($GLOBALS[$current_grant[0] . '_none'])))) ) { if ($enableHTML) { $privs[] = '<dfn title="' . $current_grant[2] . '">' . $current_grant[1] . '</dfn>'; } else { $privs[] = $current_grant[1]; } } elseif (! empty($GLOBALS[$current_grant[0]]) && is_array($GLOBALS[$current_grant[0]]) && empty($GLOBALS[$current_grant[0] . '_none']) ) { // Required for proper escaping of ` (backtick) in a column name $grant_cols = array_map( /** @param string $val */ static function ($val) { return Util::backquote($val); }, $GLOBALS[$current_grant[0]] ); if ($enableHTML) { $privs[] = '<dfn title="' . $current_grant[2] . '">' . $current_grant[1] . '</dfn>' . ' (' . implode(', ', $grant_cols) . ')'; } else { $privs[] = $current_grant[1] . ' (' . implode(', ', $grant_cols) . ')'; } } else { $allPrivileges = false; } } if (empty($privs)) { if ($enableHTML) { $privs[] = '<dfn title="' . __('No privileges.') . '">USAGE</dfn>'; } else { $privs[] = 'USAGE'; } } elseif ($allPrivileges && (! isset($_POST['grant_count']) || count($privs) == $_POST['grant_count']) ) { if ($enableHTML) { $privs = [ '<dfn title="' . __('Includes all privileges except GRANT.') . '">ALL PRIVILEGES</dfn>', ]; } else { $privs = ['ALL PRIVILEGES']; } } return $privs; } /** * Returns an array of table grants and their descriptions * * @return array array of table grants */ public function getTableGrantsArray() { return [ [ 'Delete', 'DELETE', __('Allows deleting data.'), ], [ 'Create', 'CREATE', __('Allows creating new tables.'), ], [ 'Drop', 'DROP', __('Allows dropping tables.'), ], [ 'Index', 'INDEX', __('Allows creating and dropping indexes.'), ], [ 'Alter', 'ALTER', __('Allows altering the structure of existing tables.'), ], [ 'Create View', 'CREATE_VIEW', __('Allows creating new views.'), ], [ 'Show view', 'SHOW_VIEW', __('Allows performing SHOW CREATE VIEW queries.'), ], [ 'Trigger', 'TRIGGER', __('Allows creating and dropping triggers.'), ], ]; } /** * Get the grants array which contains all the privilege types * and relevant grant messages * * @return array */ public function getGrantsArray() { return [ [ 'Select_priv', 'SELECT', __('Allows reading data.'), ], [ 'Insert_priv', 'INSERT', __('Allows inserting and replacing data.'), ], [ 'Update_priv', 'UPDATE', __('Allows changing data.'), ], [ 'Delete_priv', 'DELETE', __('Allows deleting data.'), ], [ 'Create_priv', 'CREATE', __('Allows creating new databases and tables.'), ], [ 'Drop_priv', 'DROP', __('Allows dropping databases and tables.'), ], [ 'Reload_priv', 'RELOAD', __('Allows reloading server settings and flushing the server\'s caches.'), ], [ 'Shutdown_priv', 'SHUTDOWN', __('Allows shutting down the server.'), ], [ 'Process_priv', 'PROCESS', __('Allows viewing processes of all users.'), ], [ 'File_priv', 'FILE', __('Allows importing data from and exporting data into files.'), ], [ 'References_priv', 'REFERENCES', __('Has no effect in this MySQL version.'), ], [ 'Index_priv', 'INDEX', __('Allows creating and dropping indexes.'), ], [ 'Alter_priv', 'ALTER', __('Allows altering the structure of existing tables.'), ], [ 'Show_db_priv', 'SHOW DATABASES', __('Gives access to the complete list of databases.'), ], [ 'Super_priv', 'SUPER', __( 'Allows connecting, even if maximum number of connections ' . 'is reached; required for most administrative operations ' . 'like setting global variables or killing threads of other users.' ), ], [ 'Create_tmp_table_priv', 'CREATE TEMPORARY TABLES', __('Allows creating temporary tables.'), ], [ 'Lock_tables_priv', 'LOCK TABLES', __('Allows locking tables for the current thread.'), ], [ 'Repl_slave_priv', 'REPLICATION SLAVE', __('Needed for the replication slaves.'), ], [ 'Repl_client_priv', 'REPLICATION CLIENT', __('Allows the user to ask where the slaves / masters are.'), ], [ 'Create_view_priv', 'CREATE VIEW', __('Allows creating new views.'), ], [ 'Event_priv', 'EVENT', __('Allows to set up events for the event scheduler.'), ], [ 'Trigger_priv', 'TRIGGER', __('Allows creating and dropping triggers.'), ], // for table privs: [ 'Create View_priv', 'CREATE VIEW', __('Allows creating new views.'), ], [ 'Show_view_priv', 'SHOW VIEW', __('Allows performing SHOW CREATE VIEW queries.'), ], // for table privs: [ 'Show view_priv', 'SHOW VIEW', __('Allows performing SHOW CREATE VIEW queries.'), ], [ 'Delete_history_priv', 'DELETE HISTORY', // phpcs:ignore Generic.Files.LineLength.TooLong /* l10n: https://mariadb.com/kb/en/library/grant/#table-privileges "Remove historical rows from a table using the DELETE HISTORY statement" */ __('Allows deleting historical rows.'), ], [ // This was finally removed in the following MariaDB versions // @see https://jira.mariadb.org/browse/MDEV-20382 'Delete versioning rows_priv', 'DELETE HISTORY', // phpcs:ignore Generic.Files.LineLength.TooLong /* l10n: https://mariadb.com/kb/en/library/grant/#table-privileges "Remove historical rows from a table using the DELETE HISTORY statement" */ __('Allows deleting historical rows.'), ], [ 'Create_routine_priv', 'CREATE ROUTINE', __('Allows creating stored routines.'), ], [ 'Alter_routine_priv', 'ALTER ROUTINE', __('Allows altering and dropping stored routines.'), ], [ 'Create_user_priv', 'CREATE USER', __('Allows creating, dropping and renaming user accounts.'), ], [ 'Execute_priv', 'EXECUTE', __('Allows executing stored routines.'), ], ]; } /** * Get sql query for display privileges table * * @param string $db the database * @param string $table the table * @param string $username username for database connection * @param string $hostname hostname for database connection * * @return string sql query */ public function getSqlQueryForDisplayPrivTable($db, $table, $username, $hostname) { if ($db === '*') { return 'SELECT * FROM `mysql`.`user`' . " WHERE `User` = '" . $this->dbi->escapeString($username) . "'" . " AND `Host` = '" . $this->dbi->escapeString($hostname) . "';"; } if ($table === '*') { return 'SELECT * FROM `mysql`.`db`' . " WHERE `User` = '" . $this->dbi->escapeString($username) . "'" . " AND `Host` = '" . $this->dbi->escapeString($hostname) . "'" . " AND '" . $this->dbi->escapeString(Util::unescapeMysqlWildcards($db)) . "'" . ' LIKE `Db`;'; } return 'SELECT `Table_priv`' . ' FROM `mysql`.`tables_priv`' . " WHERE `User` = '" . $this->dbi->escapeString($username) . "'" . " AND `Host` = '" . $this->dbi->escapeString($hostname) . "'" . " AND `Db` = '" . $this->dbi->escapeString(Util::unescapeMysqlWildcards($db)) . "'" . " AND `Table_name` = '" . $this->dbi->escapeString($table) . "';"; } /** * Displays a dropdown to select the user group * with menu items configured to each of them. * * @param string $username username * * @return string html to select the user group */ public function getHtmlToChooseUserGroup($username) { $cfgRelation = $this->relation->getRelationsParam(); $groupTable = Util::backquote($cfgRelation['db']) . '.' . Util::backquote($cfgRelation['usergroups']); $userTable = Util::backquote($cfgRelation['db']) . '.' . Util::backquote($cfgRelation['users']); $userGroup = ''; if (isset($GLOBALS['username'])) { $sql_query = 'SELECT `usergroup` FROM ' . $userTable . " WHERE `username` = '" . $this->dbi->escapeString($username) . "'"; $userGroup = $this->dbi->fetchValue( $sql_query, 0, 0, DatabaseInterface::CONNECT_CONTROL ); } $allUserGroups = []; $sql_query = 'SELECT DISTINCT `usergroup` FROM ' . $groupTable; $result = $this->relation->queryAsControlUser($sql_query, false); if ($result) { while ($row = $this->dbi->fetchRow($result)) { $allUserGroups[$row[0]] = $row[0]; } } $this->dbi->freeResult($result); return $this->template->render('server/privileges/choose_user_group', [ 'all_user_groups' => $allUserGroups, 'user_group' => $userGroup, 'params' => ['username' => $username], ]); } /** * Sets the user group from request values * * @param string $username username * @param string $userGroup user group to set * * @return void */ public function setUserGroup($username, $userGroup) { $userGroup = $userGroup ?? ''; $cfgRelation = $this->relation->getRelationsParam(); if (empty($cfgRelation['db']) || empty($cfgRelation['users']) || empty($cfgRelation['usergroups'])) { return; } $userTable = Util::backquote($cfgRelation['db']) . '.' . Util::backquote($cfgRelation['users']); $sql_query = 'SELECT `usergroup` FROM ' . $userTable . " WHERE `username` = '" . $this->dbi->escapeString($username) . "'"; $oldUserGroup = $this->dbi->fetchValue( $sql_query, 0, 0, DatabaseInterface::CONNECT_CONTROL ); if ($oldUserGroup === false) { $upd_query = 'INSERT INTO ' . $userTable . '(`username`, `usergroup`)' . " VALUES ('" . $this->dbi->escapeString($username) . "', " . "'" . $this->dbi->escapeString($userGroup) . "')"; } else { if (empty($userGroup)) { $upd_query = 'DELETE FROM ' . $userTable . " WHERE `username`='" . $this->dbi->escapeString($username) . "'"; } elseif ($oldUserGroup != $userGroup) { $upd_query = 'UPDATE ' . $userTable . " SET `usergroup`='" . $this->dbi->escapeString($userGroup) . "'" . " WHERE `username`='" . $this->dbi->escapeString($username) . "'"; } } if (! isset($upd_query)) { return; } $this->relation->queryAsControlUser($upd_query); } /** * Displays the privileges form table * * @param string $db the database * @param string $table the table * @param bool $submit whether to display the submit button or not * * @return string html snippet * * @global array $cfg the phpMyAdmin configuration * @global resource $user_link the database connection */ public function getHtmlToDisplayPrivilegesTable( $db = '*', $table = '*', $submit = true ) { $sql_query = ''; if ($db === '*') { $table = '*'; } $username = ''; $hostname = ''; $row = []; if (isset($GLOBALS['username'])) { $username = $GLOBALS['username']; $hostname = $GLOBALS['hostname']; $sql_query = $this->getSqlQueryForDisplayPrivTable( $db, $table, $username, $hostname ); $row = $this->dbi->fetchSingleRow($sql_query); } if (empty($row)) { if ($table === '*' && $this->dbi->isSuperUser()) { $row = []; if ($db === '*') { $sql_query = 'SHOW COLUMNS FROM `mysql`.`user`;'; } elseif ($table === '*') { $sql_query = 'SHOW COLUMNS FROM `mysql`.`db`;'; } $res = $this->dbi->query($sql_query); while ($row1 = $this->dbi->fetchRow($res)) { if (mb_substr($row1[0], 0, 4) === 'max_') { $row[$row1[0]] = 0; } elseif (mb_substr($row1[0], 0, 5) === 'x509_' || mb_substr($row1[0], 0, 4) === 'ssl_' ) { $row[$row1[0]] = ''; } else { $row[$row1[0]] = 'N'; } } $this->dbi->freeResult($res); } elseif ($table === '*') { $row = []; } else { $row = ['Table_priv' => '']; } } if (isset($row['Table_priv'])) { $this->fillInTablePrivileges($row); // get columns $res = $this->dbi->tryQuery( 'SHOW COLUMNS FROM ' . Util::backquote( Util::unescapeMysqlWildcards($db) ) . '.' . Util::backquote($table) . ';' ); $columns = []; if ($res) { while ($row1 = $this->dbi->fetchRow($res)) { $columns[$row1[0]] = [ 'Select' => false, 'Insert' => false, 'Update' => false, 'References' => false, ]; } $this->dbi->freeResult($res); } } if (! empty($columns)) { $res = $this->dbi->query( 'SELECT `Column_name`, `Column_priv`' . ' FROM `mysql`.`columns_priv`' . ' WHERE `User`' . ' = \'' . $this->dbi->escapeString($username) . "'" . ' AND `Host`' . ' = \'' . $this->dbi->escapeString($hostname) . "'" . ' AND `Db`' . ' = \'' . $this->dbi->escapeString( Util::unescapeMysqlWildcards($db) ) . "'" . ' AND `Table_name`' . ' = \'' . $this->dbi->escapeString($table) . '\';' ); while ($row1 = $this->dbi->fetchRow($res)) { $row1[1] = explode(',', $row1[1]); foreach ($row1[1] as $current) { $columns[$row1[0]][$current] = true; } } $this->dbi->freeResult($res); } return $this->template->render('server/privileges/privileges_table', [ 'is_global' => $db === '*', 'is_database' => $table === '*', 'row' => $row, 'columns' => $columns ?? [], 'has_submit' => $submit, 'supports_references_privilege' => Compatibility::supportsReferencesPrivilege($this->dbi), 'is_mariadb' => $this->dbi->isMariaDB(), ]); } /** * Get the HTML snippet for routine specific privileges * * @param string $username username for database connection * @param string $hostname hostname for database connection * @param string $db the database * @param string $routine the routine * @param string $url_dbname url encoded db name * * @return string */ public function getHtmlForRoutineSpecificPrivileges( $username, $hostname, $db, $routine, $url_dbname ) { $privileges = $this->getRoutinePrivileges($username, $hostname, $db, $routine); return $this->template->render('server/privileges/edit_routine_privileges', [ 'username' => $username, 'hostname' => $hostname, 'database' => $db, 'routine' => $routine, 'privileges' => $privileges, 'dbname' => $url_dbname, 'current_user' => $this->dbi->getCurrentUser(), ]); } /** * Gets the currently active authentication plugins * * @return array array of plugin names and descriptions */ public function getActiveAuthPlugins() { $get_plugins_query = 'SELECT `PLUGIN_NAME`, `PLUGIN_DESCRIPTION`' . ' FROM `information_schema`.`PLUGINS` ' . "WHERE `PLUGIN_TYPE` = 'AUTHENTICATION';"; $resultset = $this->dbi->query($get_plugins_query); $result = []; while ($row = $this->dbi->fetchAssoc($resultset)) { // if description is known, enable its translation if ($row['PLUGIN_NAME'] === 'mysql_native_password') { $row['PLUGIN_DESCRIPTION'] = __('Native MySQL authentication'); } elseif ($row['PLUGIN_NAME'] === 'sha256_password') { $row['PLUGIN_DESCRIPTION'] = __('SHA256 password authentication'); } $result[$row['PLUGIN_NAME']] = $row['PLUGIN_DESCRIPTION']; } return $result; } /** * Displays the fields used by the "new user" form as well as the * "change login information / copy user" form. * * @param string $mode are we creating a new user or are we just * changing one? (allowed values: 'new', 'change') * @param string $user User name * @param string $host Host name * * @return string a HTML snippet */ public function getHtmlForLoginInformationFields( $mode = 'new', $user = null, $host = null ) { global $pred_username, $pred_hostname, $username, $hostname, $new_username; [$usernameLength, $hostnameLength] = $this->getUsernameAndHostnameLength(); if (isset($username) && strlen($username) === 0) { $pred_username = 'any'; } $currentUser = $this->dbi->fetchValue('SELECT USER();'); $thisHost = null; if (! empty($currentUser)) { $thisHost = str_replace( '\'', '', mb_substr( $currentUser, mb_strrpos($currentUser, '@') + 1 ) ); } if (! isset($pred_hostname) && isset($hostname)) { switch (mb_strtolower($hostname)) { case 'localhost': case '127.0.0.1': $pred_hostname = 'localhost'; break; case '%': $pred_hostname = 'any'; break; default: $pred_hostname = 'userdefined'; break; } } $serverType = Util::getServerType(); $serverVersion = $this->dbi->getVersion(); $authPlugin = $this->getCurrentAuthenticationPlugin( $mode, $user, $host ); $isNew = ($serverType === 'MySQL' && $serverVersion >= 50507) || ($serverType === 'MariaDB' && $serverVersion >= 50200); $activeAuthPlugins = ['mysql_native_password' => __('Native MySQL authentication')]; if ($isNew) { $activeAuthPlugins = $this->getActiveAuthPlugins(); if (isset($activeAuthPlugins['mysql_old_password'])) { unset($activeAuthPlugins['mysql_old_password']); } } return $this->template->render('server/privileges/login_information_fields', [ 'pred_username' => $pred_username ?? null, 'pred_hostname' => $pred_hostname ?? null, 'username_length' => $usernameLength, 'hostname_length' => $hostnameLength, 'username' => $username ?? null, 'new_username' => $new_username ?? null, 'hostname' => $hostname ?? null, 'this_host' => $thisHost, 'is_change' => $mode === 'change', 'auth_plugin' => $authPlugin, 'active_auth_plugins' => $activeAuthPlugins, 'is_new' => $isNew, ]); } /** * Get username and hostname length * * @return array username length and hostname length */ public function getUsernameAndHostnameLength() { /* Fallback values */ $username_length = 16; $hostname_length = 41; /* Try to get real lengths from the database */ $fields_info = $this->dbi->fetchResult( 'SELECT COLUMN_NAME, CHARACTER_MAXIMUM_LENGTH ' . 'FROM information_schema.columns ' . "WHERE table_schema = 'mysql' AND table_name = 'user' " . "AND COLUMN_NAME IN ('User', 'Host')" ); foreach ($fields_info as $val) { if ($val['COLUMN_NAME'] === 'User') { $username_length = $val['CHARACTER_MAXIMUM_LENGTH']; } elseif ($val['COLUMN_NAME'] === 'Host') { $hostname_length = $val['CHARACTER_MAXIMUM_LENGTH']; } } return [ $username_length, $hostname_length, ]; } /** * Get current authentication plugin in use - for a user or globally * * @param string $mode are we creating a new user or are we just * changing one? (allowed values: 'new', 'change') * @param string $username User name * @param string $hostname Host name * * @return string authentication plugin in use */ public function getCurrentAuthenticationPlugin( $mode = 'new', $username = null, $hostname = null ) { global $dbi; /* Fallback (standard) value */ $authentication_plugin = 'mysql_native_password'; $serverVersion = $this->dbi->getVersion(); if (isset($username, $hostname) && $mode === 'change') { $row = $this->dbi->fetchSingleRow( 'SELECT `plugin` FROM `mysql`.`user` WHERE `User` = "' . $dbi->escapeString($username) . '" AND `Host` = "' . $dbi->escapeString($hostname) . '" LIMIT 1' ); // Table 'mysql'.'user' may not exist for some previous // versions of MySQL - in that case consider fallback value if (is_array($row) && isset($row['plugin'])) { $authentication_plugin = $row['plugin']; } } elseif ($mode === 'change') { [$username, $hostname] = $this->dbi->getCurrentUserAndHost(); $row = $this->dbi->fetchSingleRow( 'SELECT `plugin` FROM `mysql`.`user` WHERE `User` = "' . $dbi->escapeString($username) . '" AND `Host` = "' . $dbi->escapeString($hostname) . '"' ); if (is_array($row) && isset($row['plugin'])) { $authentication_plugin = $row['plugin']; } } elseif ($serverVersion >= 50702) { $row = $this->dbi->fetchSingleRow( 'SELECT @@default_authentication_plugin' ); $authentication_plugin = is_array($row) ? $row['@@default_authentication_plugin'] : null; } return $authentication_plugin; } /** * Returns all the grants for a certain user on a certain host * Used in the export privileges for all users section * * @param string $user User name * @param string $host Host name * * @return string containing all the grants text */ public function getGrants($user, $host) { $grants = $this->dbi->fetchResult( "SHOW GRANTS FOR '" . $this->dbi->escapeString($user) . "'@'" . $this->dbi->escapeString($host) . "'" ); $response = ''; foreach ($grants as $one_grant) { $response .= $one_grant . ";\n\n"; } return $response; } /** * Update password and get message for password updating * * @param string $err_url error url * @param string $username username * @param string $hostname hostname * * @return Message success or error message after updating password */ public function updatePassword($err_url, $username, $hostname) { global $dbi; // similar logic in /user-password $message = null; if (isset($_POST['pma_pw'], $_POST['pma_pw2']) && empty($_POST['nopass'])) { if ($_POST['pma_pw'] != $_POST['pma_pw2']) { $message = Message::error(__('The passwords aren\'t the same!')); } elseif (empty($_POST['pma_pw']) || empty($_POST['pma_pw2'])) { $message = Message::error(__('The password is empty!')); } } // here $nopass could be == 1 if ($message === null) { $hashing_function = 'PASSWORD'; $serverType = Util::getServerType(); $serverVersion = $this->dbi->getVersion(); $authentication_plugin = ($_POST['authentication_plugin'] ?? $this->getCurrentAuthenticationPlugin( 'change', $username, $hostname )); // Use 'ALTER USER ...' syntax for MySQL 5.7.6+ if ( in_array($serverType, ['MySQL', 'Percona Server'], true) && $serverVersion >= 50706 ) { if ($authentication_plugin !== 'mysql_old_password') { $query_prefix = "ALTER USER '" . $this->dbi->escapeString($username) . "'@'" . $this->dbi->escapeString($hostname) . "'" . ' IDENTIFIED WITH ' . $authentication_plugin . " BY '"; } else { $query_prefix = "ALTER USER '" . $this->dbi->escapeString($username) . "'@'" . $this->dbi->escapeString($hostname) . "'" . " IDENTIFIED BY '"; } // in $sql_query which will be displayed, hide the password $sql_query = $query_prefix . "*'"; $local_query = $query_prefix . $this->dbi->escapeString($_POST['pma_pw']) . "'"; } elseif ($serverType === 'MariaDB' && $serverVersion >= 10000) { // MariaDB uses "SET PASSWORD" syntax to change user password. // On Galera cluster only DDL queries are replicated, since // users are stored in MyISAM storage engine. $query_prefix = "SET PASSWORD FOR '" . $this->dbi->escapeString($username) . "'@'" . $this->dbi->escapeString($hostname) . "'" . " = PASSWORD ('"; $sql_query = $local_query = $query_prefix . $this->dbi->escapeString($_POST['pma_pw']) . "')"; } elseif ($serverType === 'MariaDB' && $serverVersion >= 50200 && $this->dbi->isSuperUser() ) { // Use 'UPDATE `mysql`.`user` ...' Syntax for MariaDB 5.2+ if ($authentication_plugin === 'mysql_native_password') { // Set the hashing method used by PASSWORD() // to be 'mysql_native_password' type $this->dbi->tryQuery('SET old_passwords = 0;'); } elseif ($authentication_plugin === 'sha256_password') { // Set the hashing method used by PASSWORD() // to be 'sha256_password' type $this->dbi->tryQuery('SET `old_passwords` = 2;'); } $hashedPassword = $this->getHashedPassword($_POST['pma_pw']); $sql_query = 'SET PASSWORD FOR \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\' = ' . ($_POST['pma_pw'] == '' ? '\'\'' : $hashing_function . '(\'' . preg_replace('@.@s', '*', $_POST['pma_pw']) . '\')'); $local_query = 'UPDATE `mysql`.`user` SET ' . " `authentication_string` = '" . $hashedPassword . "', `Password` = '', " . " `plugin` = '" . $authentication_plugin . "'" . " WHERE `User` = '" . $dbi->escapeString($username) . "' AND Host = '" . $dbi->escapeString($hostname) . "';"; } else { // USE 'SET PASSWORD ...' syntax for rest of the versions // Backup the old value, to be reset later $row = $this->dbi->fetchSingleRow( 'SELECT @@old_passwords;' ); $orig_value = $row['@@old_passwords']; $update_plugin_query = 'UPDATE `mysql`.`user` SET' . " `plugin` = '" . $authentication_plugin . "'" . " WHERE `User` = '" . $dbi->escapeString($username) . "' AND Host = '" . $dbi->escapeString($hostname) . "';"; // Update the plugin for the user if (! $this->dbi->tryQuery($update_plugin_query)) { Generator::mysqlDie( $this->dbi->getError(), $update_plugin_query, false, $err_url ); } $this->dbi->tryQuery('FLUSH PRIVILEGES;'); if ($authentication_plugin === 'mysql_native_password') { // Set the hashing method used by PASSWORD() // to be 'mysql_native_password' type $this->dbi->tryQuery('SET old_passwords = 0;'); } elseif ($authentication_plugin === 'sha256_password') { // Set the hashing method used by PASSWORD() // to be 'sha256_password' type $this->dbi->tryQuery('SET `old_passwords` = 2;'); } $sql_query = 'SET PASSWORD FOR \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\' = ' . ($_POST['pma_pw'] == '' ? '\'\'' : $hashing_function . '(\'' . preg_replace('@.@s', '*', $_POST['pma_pw']) . '\')'); $local_query = 'SET PASSWORD FOR \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\' = ' . ($_POST['pma_pw'] == '' ? '\'\'' : $hashing_function . '(\'' . $this->dbi->escapeString($_POST['pma_pw']) . '\')'); } if (! $this->dbi->tryQuery($local_query)) { Generator::mysqlDie( $this->dbi->getError(), $sql_query, false, $err_url ); } // Flush privileges after successful password change $this->dbi->tryQuery('FLUSH PRIVILEGES;'); $message = Message::success( __('The password for %s was changed successfully.') ); $message->addParam('\'' . $username . '\'@\'' . $hostname . '\''); if (isset($orig_value)) { $this->dbi->tryQuery( 'SET `old_passwords` = ' . $orig_value . ';' ); } } return $message; } /** * Revokes privileges and get message and SQL query for privileges revokes * * @param string $dbname database name * @param string $tablename table name * @param string $username username * @param string $hostname host name * @param string $itemType item type * * @return array ($message, $sql_query) */ public function getMessageAndSqlQueryForPrivilegesRevoke( string $dbname, string $tablename, $username, $hostname, $itemType ) { $db_and_table = $this->wildcardEscapeForGrant($dbname, $tablename); $sql_query0 = 'REVOKE ALL PRIVILEGES ON ' . $itemType . ' ' . $db_and_table . ' FROM \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\';'; $sql_query1 = 'REVOKE GRANT OPTION ON ' . $itemType . ' ' . $db_and_table . ' FROM \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\';'; $this->dbi->query($sql_query0); if (! $this->dbi->tryQuery($sql_query1)) { // this one may fail, too... $sql_query1 = ''; } $sql_query = $sql_query0 . ' ' . $sql_query1; $message = Message::success( __('You have revoked the privileges for %s.') ); $message->addParam('\'' . $username . '\'@\'' . $hostname . '\''); return [ $message, $sql_query, ]; } /** * Get REQUIRE clause * * @return string REQUIRE clause */ public function getRequireClause() { $arr = isset($_POST['ssl_type']) ? $_POST : $GLOBALS; if (isset($arr['ssl_type']) && $arr['ssl_type'] === 'SPECIFIED') { $require = []; if (! empty($arr['ssl_cipher'])) { $require[] = "CIPHER '" . $this->dbi->escapeString($arr['ssl_cipher']) . "'"; } if (! empty($arr['x509_issuer'])) { $require[] = "ISSUER '" . $this->dbi->escapeString($arr['x509_issuer']) . "'"; } if (! empty($arr['x509_subject'])) { $require[] = "SUBJECT '" . $this->dbi->escapeString($arr['x509_subject']) . "'"; } if (count($require)) { $require_clause = ' REQUIRE ' . implode(' AND ', $require); } else { $require_clause = ' REQUIRE NONE'; } } elseif (isset($arr['ssl_type']) && $arr['ssl_type'] === 'X509') { $require_clause = ' REQUIRE X509'; } elseif (isset($arr['ssl_type']) && $arr['ssl_type'] === 'ANY') { $require_clause = ' REQUIRE SSL'; } else { $require_clause = ' REQUIRE NONE'; } return $require_clause; } /** * Get a WITH clause for 'update privileges' and 'add user' * * @return string */ public function getWithClauseForAddUserAndUpdatePrivs() { $sql_query = ''; if (((isset($_POST['Grant_priv']) && $_POST['Grant_priv'] === 'Y') || (isset($GLOBALS['Grant_priv']) && $GLOBALS['Grant_priv'] === 'Y')) && ! ((Util::getServerType() === 'MySQL' || Util::getServerType() === 'Percona Server') && $this->dbi->getVersion() >= 80011) ) { $sql_query .= ' GRANT OPTION'; } if (isset($_POST['max_questions']) || isset($GLOBALS['max_questions'])) { $max_questions = isset($_POST['max_questions']) ? (int) $_POST['max_questions'] : (int) $GLOBALS['max_questions']; $max_questions = max(0, $max_questions); $sql_query .= ' MAX_QUERIES_PER_HOUR ' . $max_questions; } if (isset($_POST['max_connections']) || isset($GLOBALS['max_connections'])) { $max_connections = isset($_POST['max_connections']) ? (int) $_POST['max_connections'] : (int) $GLOBALS['max_connections']; $max_connections = max(0, $max_connections); $sql_query .= ' MAX_CONNECTIONS_PER_HOUR ' . $max_connections; } if (isset($_POST['max_updates']) || isset($GLOBALS['max_updates'])) { $max_updates = isset($_POST['max_updates']) ? (int) $_POST['max_updates'] : (int) $GLOBALS['max_updates']; $max_updates = max(0, $max_updates); $sql_query .= ' MAX_UPDATES_PER_HOUR ' . $max_updates; } if (isset($_POST['max_user_connections']) || isset($GLOBALS['max_user_connections']) ) { $max_user_connections = isset($_POST['max_user_connections']) ? (int) $_POST['max_user_connections'] : (int) $GLOBALS['max_user_connections']; $max_user_connections = max(0, $max_user_connections); $sql_query .= ' MAX_USER_CONNECTIONS ' . $max_user_connections; } return ! empty($sql_query) ? ' WITH' . $sql_query : ''; } /** * Get HTML for addUsersForm, This function call if isset($_GET['adduser']) * * @param string $dbname database name * * @return string HTML for addUserForm */ public function getHtmlForAddUser($dbname) { $isGrantUser = $this->dbi->isGrantUser(); $loginInformationFieldsNew = $this->getHtmlForLoginInformationFields('new'); $privilegesTable = ''; if ($isGrantUser) { $privilegesTable = $this->getHtmlToDisplayPrivilegesTable('*', '*', false); } return $this->template->render('server/privileges/add_user', [ 'database' => $dbname, 'login_information_fields_new' => $loginInformationFieldsNew, 'is_grant_user' => $isGrantUser, 'privileges_table' => $privilegesTable, ]); } /** * @param string $db database name * @param string $table table name * * @return array */ public function getAllPrivileges(string $db, string $table = ''): array { $databasePrivileges = $this->getGlobalAndDatabasePrivileges($db); $tablePrivileges = []; if ($table !== '') { $tablePrivileges = $this->getTablePrivileges($db, $table); } $routinePrivileges = $this->getRoutinesPrivileges($db); $allPrivileges = array_merge($databasePrivileges, $tablePrivileges, $routinePrivileges); $privileges = []; foreach ($allPrivileges as $privilege) { $userHost = $privilege['User'] . '@' . $privilege['Host']; $privileges[$userHost] = $privileges[$userHost] ?? []; $privileges[$userHost]['user'] = (string) $privilege['User']; $privileges[$userHost]['host'] = (string) $privilege['Host']; $privileges[$userHost]['privileges'] = $privileges[$userHost]['privileges'] ?? []; $privileges[$userHost]['privileges'][] = $this->getSpecificPrivilege($privilege); } return $privileges; } /** * @param array $row Array with user privileges * * @return array */ private function getSpecificPrivilege(array $row): array { $privilege = [ 'type' => $row['Type'], 'database' => $row['Db'], ]; if ($row['Type'] === 'r') { $privilege['routine'] = $row['Routine_name']; $privilege['has_grant'] = strpos($row['Proc_priv'], 'Grant') !== false; $privilege['privileges'] = explode(',', $row['Proc_priv']); } elseif ($row['Type'] === 't') { $privilege['table'] = $row['Table_name']; $privilege['has_grant'] = strpos($row['Table_priv'], 'Grant') !== false; $tablePrivs = explode(',', $row['Table_priv']); $specificPrivileges = []; $grantsArr = $this->getTableGrantsArray(); foreach ($grantsArr as $grant) { $specificPrivileges[$grant[0]] = 'N'; foreach ($tablePrivs as $tablePriv) { if ($grant[0] != $tablePriv) { continue; } $specificPrivileges[$grant[0]] = 'Y'; } } $privilege['privileges'] = $this->extractPrivInfo( $specificPrivileges, true, true ); } else { $privilege['has_grant'] = $row['Grant_priv'] === 'Y'; $privilege['privileges'] = $this->extractPrivInfo($row, true); } return $privilege; } /** * @param string $db database name * * @return array */ private function getGlobalAndDatabasePrivileges(string $db): array { $listOfPrivileges = '`Select_priv`, `Insert_priv`, `Update_priv`, `Delete_priv`, `Create_priv`, `Drop_priv`, `Grant_priv`, `Index_priv`, `Alter_priv`, `References_priv`, `Create_tmp_table_priv`, `Lock_tables_priv`, `Create_view_priv`, `Show_view_priv`, `Create_routine_priv`, `Alter_routine_priv`, `Execute_priv`, `Event_priv`, `Trigger_priv`,'; $listOfComparedPrivileges = 'BINARY `Select_priv` = \'N\' AND BINARY `Insert_priv` = \'N\' AND BINARY `Update_priv` = \'N\' AND BINARY `Delete_priv` = \'N\' AND BINARY `Create_priv` = \'N\' AND BINARY `Drop_priv` = \'N\' AND BINARY `Grant_priv` = \'N\' AND BINARY `References_priv` = \'N\' AND BINARY `Create_tmp_table_priv` = \'N\' AND BINARY `Lock_tables_priv` = \'N\' AND BINARY `Create_view_priv` = \'N\' AND BINARY `Show_view_priv` = \'N\' AND BINARY `Create_routine_priv` = \'N\' AND BINARY `Alter_routine_priv` = \'N\' AND BINARY `Execute_priv` = \'N\' AND BINARY `Event_priv` = \'N\' AND BINARY `Trigger_priv` = \'N\''; $query = ' ( SELECT `User`, `Host`, ' . $listOfPrivileges . ' \'*\' AS `Db`, \'g\' AS `Type` FROM `mysql`.`user` WHERE NOT (' . $listOfComparedPrivileges . ') ) UNION ( SELECT `User`, `Host`, ' . $listOfPrivileges . ' `Db`, \'d\' AS `Type` FROM `mysql`.`db` WHERE \'' . $this->dbi->escapeString($db) . '\' LIKE `Db` AND NOT (' . $listOfComparedPrivileges . ') ) ORDER BY `User` ASC, `Host` ASC, `Db` ASC; '; $result = $this->dbi->query($query); if ($result === false) { return []; } $privileges = []; while ($row = $this->dbi->fetchAssoc($result)) { $privileges[] = $row; } return $privileges; } /** * @param string $db database name * @param string $table table name * * @return array */ private function getTablePrivileges(string $db, string $table): array { $query = ' SELECT `User`, `Host`, `Db`, \'t\' AS `Type`, `Table_name`, `Table_priv` FROM `mysql`.`tables_priv` WHERE ? LIKE `Db` AND ? LIKE `Table_name` AND NOT (`Table_priv` = \'\' AND Column_priv = \'\') ORDER BY `User` ASC, `Host` ASC, `Db` ASC, `Table_priv` ASC; '; $statement = $this->dbi->prepare($query); if ($statement === false || ! $statement->bind_param('ss', $db, $table) || ! $statement->execute() ) { return []; } $result = $statement->get_result(); $statement->close(); if ($result === false) { return []; } $privileges = []; while ($row = $this->dbi->fetchAssoc($result)) { $privileges[] = $row; } return $privileges; } /** * @param string $db database name * * @return array */ private function getRoutinesPrivileges(string $db): array { $query = ' SELECT *, \'r\' AS `Type` FROM `mysql`.`procs_priv` WHERE Db = \'' . $this->dbi->escapeString($db) . '\'; '; $result = $this->dbi->query($query); if ($result === false) { return []; } $privileges = []; while ($row = $this->dbi->fetchAssoc($result)) { $privileges[] = $row; } return $privileges; } /** * Get HTML error for View Users form * For non superusers such as grant/create users * * @return string */ public function getHtmlForViewUsersError() { return Message::error( __('Not enough privilege to view users.') )->getDisplay(); } /** * Returns edit, revoke or export link for a user. * * @param string $linktype The link type (edit | revoke | export) * @param string $username User name * @param string $hostname Host name * @param string $dbname Database name * @param string $tablename Table name * @param string $routinename Routine name * @param string $initial Initial value * * @return string HTML code with link */ public function getUserLink( $linktype, $username, $hostname, $dbname = '', $tablename = '', $routinename = '', $initial = '' ) { $html = '<a'; switch ($linktype) { case 'edit': $html .= ' class="edit_user_anchor"'; break; case 'export': $html .= ' class="export_user_anchor ajax"'; break; } $params = [ 'username' => $username, 'hostname' => $hostname, ]; switch ($linktype) { case 'edit': $params['dbname'] = Util::escapeMysqlWildcards($dbname); $params['tablename'] = $tablename; $params['routinename'] = $routinename; break; case 'revoke': $params['dbname'] = Util::escapeMysqlWildcards($dbname); $params['tablename'] = $tablename; $params['routinename'] = $routinename; $params['revokeall'] = 1; break; case 'export': $params['initial'] = $initial; $params['export'] = 1; break; } $html .= ' href="' . Url::getFromRoute('/server/privileges'); if ($linktype === 'revoke') { $html .= '" data-post="' . Url::getCommon($params, ''); } else { $html .= Url::getCommon($params, '&'); } $html .= '">'; switch ($linktype) { case 'edit': $html .= Generator::getIcon('b_usredit', __('Edit privileges')); break; case 'revoke': $html .= Generator::getIcon('b_usrdrop', __('Revoke')); break; case 'export': $html .= Generator::getIcon('b_tblexport', __('Export')); break; } return $html . '</a>'; } /** * Returns number of defined user groups * * @return int */ public function getUserGroupCount() { $cfgRelation = $this->relation->getRelationsParam(); $user_group_table = Util::backquote($cfgRelation['db']) . '.' . Util::backquote($cfgRelation['usergroups']); $sql_query = 'SELECT COUNT(*) FROM ' . $user_group_table; return $this->dbi->fetchValue( $sql_query, 0, 0, DatabaseInterface::CONNECT_CONTROL ); } /** * Returns name of user group that user is part of * * @param string $username User name * * @return mixed|null usergroup if found or null if not found */ public function getUserGroupForUser($username) { $cfgRelation = $this->relation->getRelationsParam(); if (empty($cfgRelation['db']) || empty($cfgRelation['users']) ) { return null; } $user_table = Util::backquote($cfgRelation['db']) . '.' . Util::backquote($cfgRelation['users']); $sql_query = 'SELECT `usergroup` FROM ' . $user_table . ' WHERE `username` = \'' . $username . '\'' . ' LIMIT 1'; $usergroup = $this->dbi->fetchValue( $sql_query, 0, 0, DatabaseInterface::CONNECT_CONTROL ); if ($usergroup === false) { return null; } return $usergroup; } /** * This function return the extra data array for the ajax behavior * * @param string $password password * @param string $sql_query sql query * @param string $hostname hostname * @param string $username username * * @return array */ public function getExtraDataForAjaxBehavior( $password, $sql_query, $hostname, $username ) { if (isset($GLOBALS['dbname'])) { //if (preg_match('/\\\\(?:_|%)/i', $dbname)) { if (preg_match('/(?<!\\\\)(?:_|%)/', $GLOBALS['dbname'])) { $dbname_is_wildcard = true; } else { $dbname_is_wildcard = false; } } $user_group_count = 0; if ($GLOBALS['cfgRelation']['menuswork']) { $user_group_count = $this->getUserGroupCount(); } $extra_data = []; if (strlen($sql_query) > 0) { $extra_data['sql_query'] = Generator::getMessage('', $sql_query); } if (isset($_POST['change_copy'])) { $cfgRelation = $this->relation->getRelationsParam(); $user = [ 'name' => $username, 'host' => $hostname, 'has_password' => ! empty($password) || isset($_POST['pma_pw']), 'privileges' => implode(', ', $this->extractPrivInfo(null, true)), 'has_group' => ! empty($cfgRelation['users']) && ! empty($cfgRelation['usergroups']), 'has_group_edit' => $cfgRelation['menuswork'] && $user_group_count > 0, 'has_grant' => isset($_POST['Grant_priv']) && $_POST['Grant_priv'] === 'Y', ]; $extra_data['new_user_string'] = $this->template->render('server/privileges/new_user_ajax', [ 'user' => $user, 'is_grantuser' => $this->dbi->isGrantUser(), 'initial' => $_GET['initial'] ?? '', ]); /** * Generate the string for this alphabet's initial, to update the user * pagination */ $new_user_initial = mb_strtoupper( mb_substr($username, 0, 1) ); $newUserInitialString = '<a href="'; $newUserInitialString .= Url::getFromRoute('/server/privileges', ['initial' => $new_user_initial]); $newUserInitialString .= '">' . $new_user_initial . '</a>'; $extra_data['new_user_initial'] = $new_user_initial; $extra_data['new_user_initial_string'] = $newUserInitialString; } if (isset($_POST['update_privs'])) { $extra_data['db_specific_privs'] = false; $extra_data['db_wildcard_privs'] = false; if (isset($dbname_is_wildcard)) { $extra_data['db_specific_privs'] = ! $dbname_is_wildcard; $extra_data['db_wildcard_privs'] = $dbname_is_wildcard; } $new_privileges = implode(', ', $this->extractPrivInfo(null, true)); $extra_data['new_privileges'] = $new_privileges; } if (isset($_GET['validate_username'])) { $sql_query = "SELECT * FROM `mysql`.`user` WHERE `User` = '" . $this->dbi->escapeString($_GET['username']) . "';"; $res = $this->dbi->query($sql_query); $row = $this->dbi->fetchRow($res); if (empty($row)) { $extra_data['user_exists'] = false; } else { $extra_data['user_exists'] = true; } } return $extra_data; } /** * no db name given, so we want all privs for the given user * db name was given, so we want all user specific rights for this db * So this function returns user rights as an array * * @param string $username username * @param string $hostname host name * @param string $type database or table * @param string $dbname database name * * @return array database rights */ public function getUserSpecificRights($username, $hostname, $type, $dbname = '') { $user_host_condition = ' WHERE `User`' . " = '" . $this->dbi->escapeString($username) . "'" . ' AND `Host`' . " = '" . $this->dbi->escapeString($hostname) . "'"; if ($type === 'database') { $tables_to_search_for_users = [ 'tables_priv', 'columns_priv', 'procs_priv', ]; $dbOrTableName = 'Db'; } elseif ($type === 'table') { $user_host_condition .= " AND `Db` LIKE '" . $this->dbi->escapeString($dbname) . "'"; $tables_to_search_for_users = ['columns_priv']; $dbOrTableName = 'Table_name'; } else { // routine $user_host_condition .= " AND `Db` LIKE '" . $this->dbi->escapeString($dbname) . "'"; $tables_to_search_for_users = ['procs_priv']; $dbOrTableName = 'Routine_name'; } // we also want privileges for this user not in table `db` but in other table $tables = $this->dbi->fetchResult('SHOW TABLES FROM `mysql`;'); $db_rights_sqls = []; foreach ($tables_to_search_for_users as $table_search_in) { if (! in_array($table_search_in, $tables)) { continue; } $db_rights_sqls[] = ' SELECT DISTINCT `' . $dbOrTableName . '` FROM `mysql`.' . Util::backquote($table_search_in) . $user_host_condition; } $user_defaults = [ $dbOrTableName => '', 'Grant_priv' => 'N', 'privs' => ['USAGE'], 'Column_priv' => true, ]; // for the rights $db_rights = []; $db_rights_sql = '(' . implode(') UNION (', $db_rights_sqls) . ')' . ' ORDER BY `' . $dbOrTableName . '` ASC'; $db_rights_result = $this->dbi->query($db_rights_sql); while ($db_rights_row = $this->dbi->fetchAssoc($db_rights_result)) { $db_rights_row = array_merge($user_defaults, $db_rights_row); if ($type === 'database') { // only Db names in the table `mysql`.`db` uses wildcards // as we are in the db specific rights display we want // all db names escaped, also from other sources $db_rights_row['Db'] = Util::escapeMysqlWildcards( $db_rights_row['Db'] ); } $db_rights[$db_rights_row[$dbOrTableName]] = $db_rights_row; } $this->dbi->freeResult($db_rights_result); if ($type === 'database') { $sql_query = 'SELECT * FROM `mysql`.`db`' . $user_host_condition . ' ORDER BY `Db` ASC'; } elseif ($type === 'table') { $sql_query = 'SELECT `Table_name`,' . ' `Table_priv`,' . ' IF(`Column_priv` = _latin1 \'\', 0, 1)' . ' AS \'Column_priv\'' . ' FROM `mysql`.`tables_priv`' . $user_host_condition . ' ORDER BY `Table_name` ASC;'; } else { $sql_query = 'SELECT `Routine_name`, `Proc_priv`' . ' FROM `mysql`.`procs_priv`' . $user_host_condition . ' ORDER BY `Routine_name`'; } $result = $this->dbi->query($sql_query); while ($row = $this->dbi->fetchAssoc($result)) { if (isset($db_rights[$row[$dbOrTableName]])) { $db_rights[$row[$dbOrTableName]] = array_merge($db_rights[$row[$dbOrTableName]], $row); } else { $db_rights[$row[$dbOrTableName]] = $row; } if ($type !== 'database') { continue; } // there are db specific rights for this user // so we can drop this db rights $db_rights[$row['Db']]['can_delete'] = true; } $this->dbi->freeResult($result); return $db_rights; } /** * Parses Proc_priv data * * @param string $privs Proc_priv * * @return array */ public function parseProcPriv($privs) { $result = [ 'Alter_routine_priv' => 'N', 'Execute_priv' => 'N', 'Grant_priv' => 'N', ]; foreach (explode(',', (string) $privs) as $priv) { if ($priv === 'Alter Routine') { $result['Alter_routine_priv'] = 'Y'; } else { $result[$priv . '_priv'] = 'Y'; } } return $result; } /** * Get a HTML table for display user's table specific or database specific rights * * @param string $username username * @param string $hostname host name * @param string $type database, table or routine * @param string $dbname database name * * @return string */ public function getHtmlForAllTableSpecificRights( $username, $hostname, $type, $dbname = '' ) { $uiData = [ 'database' => [ 'form_id' => 'database_specific_priv', 'sub_menu_label' => __('Database'), 'legend' => __('Database-specific privileges'), 'type_label' => __('Database'), ], 'table' => [ 'form_id' => 'table_specific_priv', 'sub_menu_label' => __('Table'), 'legend' => __('Table-specific privileges'), 'type_label' => __('Table'), ], 'routine' => [ 'form_id' => 'routine_specific_priv', 'sub_menu_label' => __('Routine'), 'legend' => __('Routine-specific privileges'), 'type_label' => __('Routine'), ], ]; /** * no db name given, so we want all privs for the given user * db name was given, so we want all user specific rights for this db */ $db_rights = $this->getUserSpecificRights($username, $hostname, $type, $dbname); ksort($db_rights); $foundRows = []; $privileges = []; foreach ($db_rights as $row) { $onePrivilege = []; $paramTableName = ''; $paramRoutineName = ''; if ($type === 'database') { $name = $row['Db']; $onePrivilege['grant'] = $row['Grant_priv'] === 'Y'; $onePrivilege['table_privs'] = ! empty($row['Table_priv']) || ! empty($row['Column_priv']); $onePrivilege['privileges'] = implode(',', $this->extractPrivInfo($row, true)); $paramDbName = $row['Db']; } elseif ($type === 'table') { $name = $row['Table_name']; $onePrivilege['grant'] = in_array( 'Grant', explode(',', $row['Table_priv']) ); $onePrivilege['column_privs'] = ! empty($row['Column_priv']); $onePrivilege['privileges'] = implode(',', $this->extractPrivInfo($row, true)); $paramDbName = $dbname; $paramTableName = $row['Table_name']; } else { // routine $name = $row['Routine_name']; $onePrivilege['grant'] = in_array( 'Grant', explode(',', $row['Proc_priv']) ); $privs = $this->parseProcPriv($row['Proc_priv']); $onePrivilege['privileges'] = implode( ',', $this->extractPrivInfo($privs, true) ); $paramDbName = $dbname; $paramRoutineName = $row['Routine_name']; } $foundRows[] = $name; $onePrivilege['name'] = $name; $onePrivilege['edit_link'] = ''; if ($this->dbi->isGrantUser()) { $onePrivilege['edit_link'] = $this->getUserLink( 'edit', $username, $hostname, $paramDbName, $paramTableName, $paramRoutineName ); } $onePrivilege['revoke_link'] = ''; if ($type !== 'database' || ! empty($row['can_delete'])) { $onePrivilege['revoke_link'] = $this->getUserLink( 'revoke', $username, $hostname, $paramDbName, $paramTableName, $paramRoutineName ); } $privileges[] = $onePrivilege; } $data = $uiData[$type]; $data['privileges'] = $privileges; $data['username'] = $username; $data['hostname'] = $hostname; $data['database'] = $dbname; $data['type'] = $type; if ($type === 'database') { // we already have the list of databases from libraries/common.inc.php // via $pma = new PMA; $pred_db_array = $GLOBALS['dblist']->databases; $databases_to_skip = [ 'information_schema', 'performance_schema', ]; $databases = []; $escaped_databases = []; if (! empty($pred_db_array)) { foreach ($pred_db_array as $current_db) { if (in_array($current_db, $databases_to_skip)) { continue; } $current_db_escaped = Util::escapeMysqlWildcards($current_db); // cannot use array_diff() once, outside of the loop, // because the list of databases has special characters // already escaped in $foundRows, // contrary to the output of SHOW DATABASES if (in_array($current_db_escaped, $foundRows)) { continue; } $databases[] = $current_db; $escaped_databases[] = $current_db_escaped; } } $data['databases'] = $databases; $data['escaped_databases'] = $escaped_databases; } elseif ($type === 'table') { $result = @$this->dbi->tryQuery( 'SHOW TABLES FROM ' . Util::backquote($dbname), DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); $tables = []; if ($result) { while ($row = $this->dbi->fetchRow($result)) { if (in_array($row[0], $foundRows)) { continue; } $tables[] = $row[0]; } $this->dbi->freeResult($result); } $data['tables'] = $tables; } else { // routine $routineData = $this->dbi->getRoutines($dbname); $routines = []; foreach ($routineData as $routine) { if (in_array($routine['name'], $foundRows)) { continue; } $routines[] = $routine['name']; } $data['routines'] = $routines; } return $this->template->render('server/privileges/privileges_summary', $data); } /** * Get HTML for display the users overview * (if less than 50 users, display them immediately) * * @param array $result ran sql query * @param array $db_rights user's database rights array * @param string $themeImagePath a image source link * @param string $text_dir text directory * * @return string HTML snippet */ public function getUsersOverview($result, array $db_rights, $themeImagePath, $text_dir) { $cfgRelation = $this->relation->getRelationsParam(); while ($row = $this->dbi->fetchAssoc($result)) { $row['privs'] = $this->extractPrivInfo($row, true); $db_rights[$row['User']][$row['Host']] = $row; } $this->dbi->freeResult($result); $user_group_count = 0; if ($cfgRelation['menuswork']) { $sql_query = 'SELECT * FROM ' . Util::backquote($cfgRelation['db']) . '.' . Util::backquote($cfgRelation['users']); $result = $this->relation->queryAsControlUser($sql_query, false); $group_assignment = []; if ($result) { while ($row = $this->dbi->fetchAssoc($result)) { $group_assignment[$row['username']] = $row['usergroup']; } } $this->dbi->freeResult($result); $user_group_count = $this->getUserGroupCount(); } $hosts = []; foreach ($db_rights as $user) { ksort($user); foreach ($user as $host) { $check_plugin_query = 'SELECT * FROM `mysql`.`user` WHERE ' . "`User` = '" . $host['User'] . "' AND `Host` = '" . $host['Host'] . "'"; $res = $this->dbi->fetchSingleRow($check_plugin_query); $hasPassword = false; if ((isset($res['authentication_string']) && ! empty($res['authentication_string'])) || (isset($res['Password']) && ! empty($res['Password'])) ) { $hasPassword = true; } $hosts[] = [ 'user' => $host['User'], 'host' => $host['Host'], 'has_password' => $hasPassword, 'has_select_priv' => isset($host['Select_priv']), 'privileges' => $host['privs'], 'group' => $group_assignment[$host['User']] ?? '', 'has_grant' => $host['Grant_priv'] === 'Y', ]; } } return $this->template->render('server/privileges/users_overview', [ 'menus_work' => $cfgRelation['menuswork'], 'user_group_count' => $user_group_count, 'theme_image_path' => $themeImagePath, 'text_dir' => $text_dir, 'initial' => $_GET['initial'] ?? '', 'hosts' => $hosts, 'is_grantuser' => $this->dbi->isGrantUser(), 'is_createuser' => $this->dbi->isCreateUser(), ]); } /** * Get HTML for Displays the initials * * @param array $array_initials array for all initials, even non A-Z * * @return string HTML snippet */ public function getHtmlForInitials(array $array_initials) { // initialize to false the letters A-Z for ($letter_counter = 1; $letter_counter < 27; $letter_counter++) { if (isset($array_initials[mb_chr($letter_counter + 64)])) { continue; } $array_initials[mb_chr($letter_counter + 64)] = false; } $initials = $this->dbi->tryQuery( 'SELECT DISTINCT UPPER(LEFT(`User`,1)) FROM `user`' . ' ORDER BY UPPER(LEFT(`User`,1)) ASC', DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); if ($initials) { while ([$tmp_initial] = $this->dbi->fetchRow($initials)) { $array_initials[$tmp_initial] = true; } } // Display the initials, which can be any characters, not // just letters. For letters A-Z, we add the non-used letters // as greyed out. uksort($array_initials, 'strnatcasecmp'); return $this->template->render('server/privileges/initials_row', [ 'array_initials' => $array_initials, 'initial' => $_GET['initial'] ?? null, ]); } /** * Get the database rights array for Display user overview * * @return array database rights array */ public function getDbRightsForUserOverview() { // we also want users not in table `user` but in other table $tables = $this->dbi->fetchResult('SHOW TABLES FROM `mysql`;'); $tablesSearchForUsers = [ 'user', 'db', 'tables_priv', 'columns_priv', 'procs_priv', ]; $db_rights_sqls = []; foreach ($tablesSearchForUsers as $table_search_in) { if (! in_array($table_search_in, $tables)) { continue; } $db_rights_sqls[] = 'SELECT DISTINCT `User`, `Host` FROM `mysql`.`' . $table_search_in . '` ' . (isset($_GET['initial']) ? $this->rangeOfUsers($_GET['initial']) : ''); } $user_defaults = [ 'User' => '', 'Host' => '%', 'Password' => '?', 'Grant_priv' => 'N', 'privs' => ['USAGE'], ]; // for the rights $db_rights = []; $db_rights_sql = '(' . implode(') UNION (', $db_rights_sqls) . ')' . ' ORDER BY `User` ASC, `Host` ASC'; $db_rights_result = $this->dbi->query($db_rights_sql); while ($db_rights_row = $this->dbi->fetchAssoc($db_rights_result)) { $db_rights_row = array_merge($user_defaults, $db_rights_row); $db_rights[$db_rights_row['User']][$db_rights_row['Host']] = $db_rights_row; } $this->dbi->freeResult($db_rights_result); ksort($db_rights); return $db_rights; } /** * Delete user and get message and sql query for delete user in privileges * * @param array $queries queries * * @return array Message */ public function deleteUser(array $queries) { $sql_query = ''; if (empty($queries)) { $message = Message::error(__('No users selected for deleting!')); } else { if ($_POST['mode'] == 3) { $queries[] = '# ' . __('Reloading the privileges') . ' …'; $queries[] = 'FLUSH PRIVILEGES;'; } $drop_user_error = ''; foreach ($queries as $sql_query) { if ($sql_query[0] === '#') { continue; } if ($this->dbi->tryQuery($sql_query)) { continue; } $drop_user_error .= $this->dbi->getError() . "\n"; } // tracking sets this, causing the deleted db to be shown in navi unset($GLOBALS['db']); $sql_query = implode("\n", $queries); if (! empty($drop_user_error)) { $message = Message::rawError($drop_user_error); } else { $message = Message::success( __('The selected users have been deleted successfully.') ); } } return [ $sql_query, $message, ]; } /** * Update the privileges and return the success or error message * * @return array success message or error message for update */ public function updatePrivileges( string $username, string $hostname, string $tablename, string $dbname, string $itemType ): array { $db_and_table = $this->wildcardEscapeForGrant($dbname, $tablename); $sql_query0 = 'REVOKE ALL PRIVILEGES ON ' . $itemType . ' ' . $db_and_table . ' FROM \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\';'; if (! isset($_POST['Grant_priv']) || $_POST['Grant_priv'] !== 'Y') { $sql_query1 = 'REVOKE GRANT OPTION ON ' . $itemType . ' ' . $db_and_table . ' FROM \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\';'; } else { $sql_query1 = ''; } $grantBackQuery = null; $alterUserQuery = null; // Should not do a GRANT USAGE for a table-specific privilege, it // causes problems later (cannot revoke it) if (! (strlen($tablename) > 0 && implode('', $this->extractPrivInfo()) === 'USAGE') ) { [$grantBackQuery, $alterUserQuery] = $this->generateQueriesForUpdatePrivileges( $itemType, $db_and_table, $username, $hostname, $dbname ); } if (! $this->dbi->tryQuery($sql_query0)) { // This might fail when the executing user does not have // ALL PRIVILEGES themselves. // See https://github.com/phpmyadmin/phpmyadmin/issues/9673 $sql_query0 = ''; } if (! empty($sql_query1) && ! $this->dbi->tryQuery($sql_query1)) { // this one may fail, too... $sql_query1 = ''; } if ($grantBackQuery !== null) { $this->dbi->query($grantBackQuery); } else { $grantBackQuery = ''; } if ($alterUserQuery !== null) { $this->dbi->query($alterUserQuery); } else { $alterUserQuery = ''; } $sql_query = $sql_query0 . ' ' . $sql_query1 . ' ' . $grantBackQuery . ' ' . $alterUserQuery; $message = Message::success(__('You have updated the privileges for %s.')); $message->addParam('\'' . $username . '\'@\'' . $hostname . '\''); return [ $sql_query, $message, ]; } /** * Generate the query for the GRANTS and requirements + limits * * @return array<int,string|null> */ private function generateQueriesForUpdatePrivileges( string $itemType, string $db_and_table, string $username, string $hostname, string $dbname ): array { $alterUserQuery = null; $grantBackQuery = 'GRANT ' . implode(', ', $this->extractPrivInfo()) . ' ON ' . $itemType . ' ' . $db_and_table . ' TO \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\''; $isMySqlOrPercona = Util::getServerType() === 'MySQL' || Util::getServerType() === 'Percona Server'; $needsToUseAlter = $isMySqlOrPercona && $this->dbi->getVersion() >= 80011; if ($needsToUseAlter) { $alterUserQuery = 'ALTER USER \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\' '; } if (strlen($dbname) === 0) { // add REQUIRE clause if ($needsToUseAlter) { $alterUserQuery .= $this->getRequireClause(); } else { $grantBackQuery .= $this->getRequireClause(); } } if ((isset($_POST['Grant_priv']) && $_POST['Grant_priv'] === 'Y') || (strlen($dbname) === 0 && (isset($_POST['max_questions']) || isset($_POST['max_connections']) || isset($_POST['max_updates']) || isset($_POST['max_user_connections']))) ) { if ($needsToUseAlter) { $alterUserQuery .= $this->getWithClauseForAddUserAndUpdatePrivs(); } else { $grantBackQuery .= $this->getWithClauseForAddUserAndUpdatePrivs(); } } $grantBackQuery .= ';'; if ($needsToUseAlter) { $alterUserQuery .= ';'; } return [$grantBackQuery, $alterUserQuery]; } /** * Get List of information: Changes / copies a user * * @return array */ public function getDataForChangeOrCopyUser() { $queries = null; $password = null; if (isset($_POST['change_copy'])) { $user_host_condition = ' WHERE `User` = ' . "'" . $this->dbi->escapeString($_POST['old_username']) . "'" . ' AND `Host` = ' . "'" . $this->dbi->escapeString($_POST['old_hostname']) . "';"; $row = $this->dbi->fetchSingleRow( 'SELECT * FROM `mysql`.`user` ' . $user_host_condition ); if (! $row) { $response = Response::getInstance(); $response->addHTML( Message::notice(__('No user found.'))->getDisplay() ); unset($_POST['change_copy']); } else { foreach ($row as $key => $value) { $GLOBALS[$key] = $value; } $serverVersion = $this->dbi->getVersion(); // Recent MySQL versions have the field "Password" in mysql.user, // so the previous extract creates $row['Password'] but this script // uses $password if (! isset($row['password']) && isset($row['Password'])) { $row['password'] = $row['Password']; } if (Util::getServerType() === 'MySQL' && $serverVersion >= 50606 && $serverVersion < 50706 && ((isset($row['authentication_string']) && empty($row['password'])) || (isset($row['plugin']) && $row['plugin'] === 'sha256_password')) ) { $row['password'] = $row['authentication_string']; } if (Util::getServerType() === 'MariaDB' && $serverVersion >= 50500 && isset($row['authentication_string']) && empty($row['password']) ) { $row['password'] = $row['authentication_string']; } // Always use 'authentication_string' column // for MySQL 5.7.6+ since it does not have // the 'password' column at all if (in_array(Util::getServerType(), ['MySQL', 'Percona Server']) && $serverVersion >= 50706 && isset($row['authentication_string']) ) { $row['password'] = $row['authentication_string']; } $password = $row['password']; $queries = []; } } return [ $queries, $password, ]; } /** * Update Data for information: Deletes users * * @param array $queries queries array * * @return array */ public function getDataForDeleteUsers($queries) { if (isset($_POST['change_copy'])) { $selected_usr = [ $_POST['old_username'] . '&#27;' . $_POST['old_hostname'], ]; } else { // null happens when no user was selected $selected_usr = $_POST['selected_usr'] ?? null; $queries = []; } // this happens, was seen in https://reports.phpmyadmin.net/reports/view/17146 if (! is_array($selected_usr)) { return []; } foreach ($selected_usr as $each_user) { [$this_user, $this_host] = explode('&#27;', $each_user); $queries[] = '# ' . sprintf( __('Deleting %s'), '\'' . $this_user . '\'@\'' . $this_host . '\'' ) . ' ...'; $queries[] = 'DROP USER \'' . $this->dbi->escapeString($this_user) . '\'@\'' . $this->dbi->escapeString($this_host) . '\';'; $this->relationCleanup->user($this_user); if (! isset($_POST['drop_users_db'])) { continue; } $queries[] = 'DROP DATABASE IF EXISTS ' . Util::backquote($this_user) . ';'; $GLOBALS['reload'] = true; } return $queries; } /** * update Message For Reload */ public function updateMessageForReload(): ?Message { $message = null; if (isset($_GET['flush_privileges'])) { $sql_query = 'FLUSH PRIVILEGES;'; $this->dbi->query($sql_query); $message = Message::success( __('The privileges were reloaded successfully.') ); } if (isset($_GET['validate_username'])) { $message = Message::success(); } return $message; } /** * update Data For Queries from queries_for_display * * @param array $queries queries array * @param array|null $queries_for_display queries array for display * * @return array */ public function getDataForQueries(array $queries, $queries_for_display) { $tmp_count = 0; foreach ($queries as $sql_query) { if ($sql_query[0] !== '#') { $this->dbi->query($sql_query); } // when there is a query containing a hidden password, take it // instead of the real query sent if (isset($queries_for_display[$tmp_count])) { $queries[$tmp_count] = $queries_for_display[$tmp_count]; } $tmp_count++; } return $queries; } /** * update Data for information: Adds a user * * @param string|array|null $dbname db name * @param string $username user name * @param string $hostname host name * @param string|null $password password * @param bool $is_menuwork is_menuwork set? * * @return array */ public function addUser( $dbname, $username, $hostname, ?string $password, $is_menuwork ) { $message = null; $queries = null; $queries_for_display = null; $sql_query = null; if (! isset($_POST['adduser_submit']) && ! isset($_POST['change_copy'])) { return [ $message, $queries, $queries_for_display, $sql_query, false, // Add user error ]; } $sql_query = ''; // Some reports where sent to the error reporting server with phpMyAdmin 5.1.0 // pred_username was reported to be not defined $predUsername = $_POST['pred_username'] ?? ''; if ($predUsername === 'any') { $username = ''; } switch ($_POST['pred_hostname']) { case 'any': $hostname = '%'; break; case 'localhost': $hostname = 'localhost'; break; case 'hosttable': $hostname = ''; break; case 'thishost': $_user_name = $this->dbi->fetchValue('SELECT USER()'); $hostname = mb_substr( $_user_name, mb_strrpos($_user_name, '@') + 1 ); unset($_user_name); break; } $sql = "SELECT '1' FROM `mysql`.`user`" . " WHERE `User` = '" . $this->dbi->escapeString($username) . "'" . " AND `Host` = '" . $this->dbi->escapeString($hostname) . "';"; if ($this->dbi->fetchValue($sql) == 1) { $message = Message::error(__('The user %s already exists!')); $message->addParam('[em]\'' . $username . '\'@\'' . $hostname . '\'[/em]'); $_GET['adduser'] = true; return [ $message, $queries, $queries_for_display, $sql_query, true, // Add user error ]; } [ $create_user_real, $create_user_show, $real_sql_query, $sql_query, $password_set_real, $password_set_show, $alter_real_sql_query, $alter_sql_query, ] = $this->getSqlQueriesForDisplayAndAddUser( $username, $hostname, ($password ?? '') ); if (empty($_POST['change_copy'])) { $_error = false; if ($create_user_real !== null) { if (! $this->dbi->tryQuery($create_user_real)) { $_error = true; } if (isset($password_set_real, $_POST['authentication_plugin']) && ! empty($password_set_real)) { $this->setProperPasswordHashing( $_POST['authentication_plugin'] ); if ($this->dbi->tryQuery($password_set_real)) { $sql_query .= $password_set_show; } } $sql_query = $create_user_show . $sql_query; } [$sql_query, $message] = $this->addUserAndCreateDatabase( $_error, $real_sql_query, $sql_query, $username, $hostname, $dbname, $alter_real_sql_query, $alter_sql_query ); if (! empty($_POST['userGroup']) && $is_menuwork) { $this->setUserGroup($GLOBALS['username'], $_POST['userGroup']); } return [ $message, $queries, $queries_for_display, $sql_query, $_error, // Add user error if the query fails ]; } // Copy the user group while copying a user $old_usergroup = $_POST['old_usergroup'] ?? null; $this->setUserGroup($_POST['username'], $old_usergroup); if ($create_user_real !== null) { $queries[] = $create_user_real; } $queries[] = $real_sql_query; if (isset($password_set_real, $_POST['authentication_plugin']) && ! empty($password_set_real)) { $this->setProperPasswordHashing( $_POST['authentication_plugin'] ); $queries[] = $password_set_real; } // we put the query containing the hidden password in // $queries_for_display, at the same position occupied // by the real query in $queries $tmp_count = count($queries); if (isset($create_user_real)) { $queries_for_display[$tmp_count - 2] = $create_user_show; } if (isset($password_set_real) && ! empty($password_set_real)) { $queries_for_display[$tmp_count - 3] = $create_user_show; $queries_for_display[$tmp_count - 2] = $sql_query; $queries_for_display[$tmp_count - 1] = $password_set_show; } else { $queries_for_display[$tmp_count - 1] = $sql_query; } return [ $message, $queries, $queries_for_display, $sql_query, false, // Add user error ]; } /** * Sets proper value of `old_passwords` according to * the authentication plugin selected * * @param string $auth_plugin authentication plugin selected * * @return void */ public function setProperPasswordHashing($auth_plugin) { // Set the hashing method used by PASSWORD() // to be of type depending upon $authentication_plugin if ($auth_plugin === 'sha256_password') { $this->dbi->tryQuery('SET `old_passwords` = 2;'); } elseif ($auth_plugin === 'mysql_old_password') { $this->dbi->tryQuery('SET `old_passwords` = 1;'); } else { $this->dbi->tryQuery('SET `old_passwords` = 0;'); } } /** * Update DB information: DB, Table, isWildcard * * @return array */ public function getDataForDBInfo() { $username = null; $hostname = null; $dbname = null; $tablename = null; $routinename = null; $return_db = null; if (isset($_REQUEST['username'])) { $username = (string) $_REQUEST['username']; } if (isset($_REQUEST['hostname'])) { $hostname = (string) $_REQUEST['hostname']; } /** * Checks if a dropdown box has been used for selecting a database / table */ if (Core::isValid($_POST['pred_tablename'])) { $tablename = $_POST['pred_tablename']; } elseif (Core::isValid($_REQUEST['tablename'])) { $tablename = $_REQUEST['tablename']; } else { unset($tablename); } if (Core::isValid($_POST['pred_routinename'])) { $routinename = $_POST['pred_routinename']; } elseif (Core::isValid($_REQUEST['routinename'])) { $routinename = $_REQUEST['routinename']; } else { unset($routinename); } if (isset($_POST['pred_dbname'])) { $is_valid_pred_dbname = true; foreach ($_POST['pred_dbname'] as $key => $db_name) { if (! Core::isValid($db_name)) { $is_valid_pred_dbname = false; break; } } } if (isset($_REQUEST['dbname'])) { $is_valid_dbname = true; if (is_array($_REQUEST['dbname'])) { foreach ($_REQUEST['dbname'] as $key => $db_name) { if (! Core::isValid($db_name)) { $is_valid_dbname = false; break; } } } else { if (! Core::isValid($_REQUEST['dbname'])) { $is_valid_dbname = false; } } } if (isset($is_valid_pred_dbname) && $is_valid_pred_dbname) { $dbname = $_POST['pred_dbname']; // If dbname contains only one database. if (count($dbname) === 1) { $dbname = $dbname[0]; } } elseif (isset($is_valid_dbname) && $is_valid_dbname) { $dbname = $_REQUEST['dbname']; } else { unset($dbname, $tablename); } if (isset($dbname)) { if (is_array($dbname)) { $db_and_table = $dbname; $return_db = $dbname; foreach ($db_and_table as $key => $db_name) { $db_and_table[$key] .= '.'; } } else { $unescaped_db = Util::unescapeMysqlWildcards($dbname); $db_and_table = Util::backquote($unescaped_db) . '.'; $return_db = $unescaped_db; } if (isset($tablename)) { $db_and_table .= Util::backquote($tablename); } else { if (is_array($db_and_table)) { foreach ($db_and_table as $key => $db_name) { $db_and_table[$key] .= '*'; } } else { $db_and_table .= '*'; } } } else { $db_and_table = '*.*'; } // check if given $dbname is a wildcard or not $databaseNameIsWildcard = ! is_array($dbname ?? '') && preg_match( '/(?<!\\\\)(?:_|%)/', $dbname ?? '' ); return [ $username, $hostname, $return_db, $tablename ?? null, $routinename ?? null, $db_and_table, $databaseNameIsWildcard, ]; } /** * Get title and textarea for export user definition in Privileges * * @param string $username username * @param string $hostname host name * * @return array ($title, $export) */ public function getListForExportUserDefinition($username, $hostname) { $export = '<textarea class="export" cols="60" rows="15">'; if (isset($_POST['selected_usr'])) { // export privileges for selected users $title = __('Privileges'); //For removing duplicate entries of users $_POST['selected_usr'] = array_unique($_POST['selected_usr']); foreach ($_POST['selected_usr'] as $export_user) { $export_username = mb_substr( $export_user, 0, (int) mb_strpos($export_user, '&') ); $export_hostname = mb_substr( $export_user, mb_strrpos($export_user, ';') + 1 ); $export .= '# ' . sprintf( __('Privileges for %s'), '`' . htmlspecialchars($export_username) . '`@`' . htmlspecialchars($export_hostname) . '`' ) . "\n\n"; $export .= $this->getGrants($export_username, $export_hostname) . "\n"; } } else { // export privileges for a single user $title = __('User') . ' `' . htmlspecialchars($username) . '`@`' . htmlspecialchars($hostname) . '`'; $export .= $this->getGrants($username, $hostname); } // remove trailing whitespace $export = trim($export); $export .= ''; return [ $title, $export, ]; } /** * Get HTML for display Add userfieldset * * @param string $db the database * @param string $table the table name * * @return string html output */ public function getAddUserHtmlFieldset($db = '', $table = '') { if (! $this->dbi->isCreateUser()) { return ''; } $rel_params = []; $url_params = ['adduser' => 1]; if (! empty($db)) { $url_params['dbname'] = $rel_params['checkprivsdb'] = $db; } if (! empty($table)) { $url_params['tablename'] = $rel_params['checkprivstable'] = $table; } return $this->template->render('server/privileges/add_user_fieldset', [ 'url_params' => $url_params, 'rel_params' => $rel_params, ]); } /** * Get HTML snippet for display user overview page * * @param string $themeImagePath a image source link * @param string $text_dir text directory * * @return string */ public function getHtmlForUserOverview($themeImagePath, $text_dir) { $password_column = 'Password'; $server_type = Util::getServerType(); $serverVersion = $this->dbi->getVersion(); if (($server_type === 'MySQL' || $server_type === 'Percona Server') && $serverVersion >= 50706 ) { $password_column = 'authentication_string'; } // $sql_query is for the initial-filtered, // $sql_query_all is for counting the total no. of users $sql_query = $sql_query_all = 'SELECT *,' . ' IF(`' . $password_column . "` = _latin1 '', 'N', 'Y') AS 'Password'" . ' FROM `mysql`.`user`'; $sql_query .= (isset($_GET['initial']) ? $this->rangeOfUsers($_GET['initial']) : ''); $sql_query .= ' ORDER BY `User` ASC, `Host` ASC;'; $sql_query_all .= ' ;'; $res = $this->dbi->tryQuery( $sql_query, DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); $res_all = $this->dbi->tryQuery( $sql_query_all, DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); $errorMessages = ''; if (! $res) { // the query failed! This may have two reasons: // - the user does not have enough privileges // - the privilege tables use a structure of an earlier version. // so let's try a more simple query $this->dbi->freeResult($res); $this->dbi->freeResult($res_all); $sql_query = 'SELECT * FROM `mysql`.`user`'; $res = $this->dbi->tryQuery( $sql_query, DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); if (! $res) { $errorMessages .= $this->getHtmlForViewUsersError(); $errorMessages .= $this->getAddUserHtmlFieldset(); } else { // This message is hardcoded because I will replace it by // a automatic repair feature soon. $raw = 'Your privilege table structure seems to be older than' . ' this MySQL version!
' . 'Please run the mysql_upgrade command' . ' that should be included in your MySQL server distribution' . ' to solve this problem!'; $errorMessages .= Message::rawError($raw)->getDisplay(); } $this->dbi->freeResult($res); } else { $db_rights = $this->getDbRightsForUserOverview(); // for all initials, even non A-Z $array_initials = []; foreach ($db_rights as $right) { foreach ($right as $account) { if (empty($account['User']) && $account['Host'] === 'localhost') { $emptyUserNotice = Message::notice( __( 'A user account allowing any user from localhost to ' . 'connect is present. This will prevent other users ' . 'from connecting if the host part of their account ' . 'allows a connection from any (%) host.' ) . MySQLDocumentation::show('problems-connecting') )->getDisplay(); break 2; } } } /** * Displays the initials * Also not necessary if there is less than 20 privileges */ if ($this->dbi->numRows($res_all) > 20) { $initials = $this->getHtmlForInitials($array_initials); } /** * Display the user overview * (if less than 50 users, display them immediately) */ if (isset($_GET['initial']) || isset($_GET['showall']) || $this->dbi->numRows($res) < 50 ) { $usersOverview = $this->getUsersOverview( $res, $db_rights, $themeImagePath, $text_dir ); } $response = Response::getInstance(); if (! $response->isAjax() || ! empty($_REQUEST['ajax_page_request']) ) { if ($GLOBALS['is_reload_priv']) { $flushnote = new Message( __( 'Note: phpMyAdmin gets the users’ privileges directly ' . 'from MySQL’s privilege tables. The content of these ' . 'tables may differ from the privileges the server uses, ' . 'if they have been changed manually. In this case, ' . 'you should %sreload the privileges%s before you continue.' ), Message::NOTICE ); $flushnote->addParamHtml( '' ); $flushnote->addParamHtml(''); } else { $flushnote = new Message( __( 'Note: phpMyAdmin gets the users’ privileges directly ' . 'from MySQL’s privilege tables. The content of these ' . 'tables may differ from the privileges the server uses, ' . 'if they have been changed manually. In this case, ' . 'the privileges have to be reloaded but currently, you ' . 'don\'t have the RELOAD privilege.' ) . MySQLDocumentation::show( 'privileges-provided', false, null, null, 'priv_reload' ), Message::NOTICE ); } $flushNotice = $flushnote->getDisplay(); } } return $this->template->render('server/privileges/user_overview', [ 'error_messages' => $errorMessages, 'empty_user_notice' => $emptyUserNotice ?? '', 'initials' => $initials ?? '', 'users_overview' => $usersOverview ?? '', 'is_createuser' => $this->dbi->isCreateUser(), 'flush_notice' => $flushNotice ?? '', ]); } /** * Get HTML snippet for display user properties * * @param bool $dbname_is_wildcard whether database name is wildcard or not * @param string $url_dbname url database name that urlencode() string * @param string $username username * @param string $hostname host name * @param string|array $dbname database name * @param string $tablename table name * * @return string */ public function getHtmlForUserProperties( $dbname_is_wildcard, $url_dbname, $username, $hostname, $dbname, $tablename ) { global $cfg; $sql = "SELECT '1' FROM `mysql`.`user`" . " WHERE `User` = '" . $this->dbi->escapeString($username) . "'" . " AND `Host` = '" . $this->dbi->escapeString($hostname) . "';"; $user_does_not_exists = (bool) ! $this->dbi->fetchValue($sql); $loginInformationFields = ''; if ($user_does_not_exists) { $loginInformationFields = $this->getHtmlForLoginInformationFields(); } $_params = [ 'username' => $username, 'hostname' => $hostname, ]; if (! is_array($dbname) && strlen($dbname) > 0) { $_params['dbname'] = $dbname; if (strlen($tablename) > 0) { $_params['tablename'] = $tablename; } } else { $_params['dbname'] = $dbname; } $privilegesTable = $this->getHtmlToDisplayPrivilegesTable( // If $dbname is an array, pass any one db as all have same privs. Core::ifSetOr($dbname, is_array($dbname) ? $dbname[0] : '*', 'length'), Core::ifSetOr($tablename, '*', 'length') ); $tableSpecificRights = ''; if (! is_array($dbname) && strlen($tablename) === 0 && empty($dbname_is_wildcard) ) { // no table name was given, display all table specific rights // but only if $dbname contains no wildcards if (strlen($dbname) === 0) { $tableSpecificRights .= $this->getHtmlForAllTableSpecificRights( $username, $hostname, 'database' ); } else { // unescape wildcards in dbname at table level $unescaped_db = Util::unescapeMysqlWildcards($dbname); $tableSpecificRights .= $this->getHtmlForAllTableSpecificRights( $username, $hostname, 'table', $unescaped_db ); $tableSpecificRights .= $this->getHtmlForAllTableSpecificRights( $username, $hostname, 'routine', $unescaped_db ); } } $databaseUrl = Util::getScriptNameForOption( $cfg['DefaultTabDatabase'], 'database' ); $databaseUrlTitle = Util::getTitleForTarget( $cfg['DefaultTabDatabase'] ); $tableUrl = Util::getScriptNameForOption( $cfg['DefaultTabTable'], 'table' ); $tableUrlTitle = Util::getTitleForTarget( $cfg['DefaultTabTable'] ); $changePassword = ''; $userGroup = ''; $changeLoginInfoFields = ''; if (! is_array($dbname) && strlen($dbname) === 0 && ! $user_does_not_exists) { //change login information $changePassword = $this->getFormForChangePassword($username, $hostname, true); $userGroup = $this->getUserGroupForUser($username); $changeLoginInfoFields = $this->getHtmlForLoginInformationFields('change', $username, $hostname); } return $this->template->render('server/privileges/user_properties', [ 'user_does_not_exists' => $user_does_not_exists, 'login_information_fields' => $loginInformationFields, 'params' => $_params, 'privileges_table' => $privilegesTable, 'table_specific_rights' => $tableSpecificRights, 'change_password' => $changePassword, 'database' => $dbname, 'dbname' => $url_dbname, 'username' => $username, 'hostname' => $hostname, 'is_databases' => $dbname_is_wildcard || is_array($dbname) && count($dbname) > 1, 'is_wildcard' => $dbname_is_wildcard, 'table' => $tablename, 'current_user' => $this->dbi->getCurrentUser(), 'user_group' => $userGroup, 'change_login_info_fields' => $changeLoginInfoFields, 'database_url' => $databaseUrl, 'database_url_title' => $databaseUrlTitle, 'table_url' => $tableUrl, 'table_url_title' => $tableUrlTitle, ]); } /** * Get queries for Table privileges to change or copy user * * @param string $user_host_condition user host condition to * select relevant table privileges * @param array $queries queries array * @param string $username username * @param string $hostname host name * * @return array */ public function getTablePrivsQueriesForChangeOrCopyUser( $user_host_condition, array $queries, $username, $hostname ) { $res = $this->dbi->query( 'SELECT `Db`, `Table_name`, `Table_priv` FROM `mysql`.`tables_priv`' . $user_host_condition, DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); while ($row = $this->dbi->fetchAssoc($res)) { $res2 = $this->dbi->query( 'SELECT `Column_name`, `Column_priv`' . ' FROM `mysql`.`columns_priv`' . ' WHERE `User`' . ' = \'' . $this->dbi->escapeString($_POST['old_username']) . "'" . ' AND `Host`' . ' = \'' . $this->dbi->escapeString($_POST['old_username']) . '\'' . ' AND `Db`' . ' = \'' . $this->dbi->escapeString($row['Db']) . "'" . ' AND `Table_name`' . ' = \'' . $this->dbi->escapeString($row['Table_name']) . "'" . ';', DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); $tmp_privs1 = $this->extractPrivInfo($row); $tmp_privs2 = [ 'Select' => [], 'Insert' => [], 'Update' => [], 'References' => [], ]; while ($row2 = $this->dbi->fetchAssoc($res2)) { $tmp_array = explode(',', $row2['Column_priv']); if (in_array('Select', $tmp_array)) { $tmp_privs2['Select'][] = $row2['Column_name']; } if (in_array('Insert', $tmp_array)) { $tmp_privs2['Insert'][] = $row2['Column_name']; } if (in_array('Update', $tmp_array)) { $tmp_privs2['Update'][] = $row2['Column_name']; } if (! in_array('References', $tmp_array)) { continue; } $tmp_privs2['References'][] = $row2['Column_name']; } if (count($tmp_privs2['Select']) > 0 && ! in_array('SELECT', $tmp_privs1)) { $tmp_privs1[] = 'SELECT (`' . implode('`, `', $tmp_privs2['Select']) . '`)'; } if (count($tmp_privs2['Insert']) > 0 && ! in_array('INSERT', $tmp_privs1)) { $tmp_privs1[] = 'INSERT (`' . implode('`, `', $tmp_privs2['Insert']) . '`)'; } if (count($tmp_privs2['Update']) > 0 && ! in_array('UPDATE', $tmp_privs1)) { $tmp_privs1[] = 'UPDATE (`' . implode('`, `', $tmp_privs2['Update']) . '`)'; } if (count($tmp_privs2['References']) > 0 && ! in_array('REFERENCES', $tmp_privs1) ) { $tmp_privs1[] = 'REFERENCES (`' . implode('`, `', $tmp_privs2['References']) . '`)'; } $queries[] = 'GRANT ' . implode(', ', $tmp_privs1) . ' ON ' . Util::backquote($row['Db']) . '.' . Util::backquote($row['Table_name']) . ' TO \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\'' . (in_array('Grant', explode(',', $row['Table_priv'])) ? ' WITH GRANT OPTION;' : ';'); } return $queries; } /** * Get queries for database specific privileges for change or copy user * * @param array $queries queries array with string * @param string $username username * @param string $hostname host name * * @return array */ public function getDbSpecificPrivsQueriesForChangeOrCopyUser( array $queries, $username, $hostname ) { $user_host_condition = ' WHERE `User`' . ' = \'' . $this->dbi->escapeString($_POST['old_username']) . "'" . ' AND `Host`' . ' = \'' . $this->dbi->escapeString($_POST['old_hostname']) . '\';'; $res = $this->dbi->query( 'SELECT * FROM `mysql`.`db`' . $user_host_condition ); while ($row = $this->dbi->fetchAssoc($res)) { $queries[] = 'GRANT ' . implode(', ', $this->extractPrivInfo($row)) . ' ON ' . Util::backquote($row['Db']) . '.*' . ' TO \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\'' . ($row['Grant_priv'] === 'Y' ? ' WITH GRANT OPTION;' : ';'); } $this->dbi->freeResult($res); $queries = $this->getTablePrivsQueriesForChangeOrCopyUser( $user_host_condition, $queries, $username, $hostname ); return $queries; } /** * Prepares queries for adding users and * also create database and return query and message * * @param bool $_error whether user create or not * @param string $real_sql_query SQL query for add a user * @param string $sql_query SQL query to be displayed * @param string $username username * @param string $hostname host name * @param string $dbname database name * @param string $alter_real_sql_query SQL query for ALTER USER * @param string $alter_sql_query SQL query for ALTER USER to be displayed * * @return array */ public function addUserAndCreateDatabase( $_error, $real_sql_query, $sql_query, $username, $hostname, $dbname, $alter_real_sql_query, $alter_sql_query ): array { if ($_error || (! empty($real_sql_query) && ! $this->dbi->tryQuery($real_sql_query)) ) { $_POST['createdb-1'] = $_POST['createdb-2'] = $_POST['createdb-3'] = null; $message = Message::rawError((string) $this->dbi->getError()); } elseif ($alter_real_sql_query !== '' && ! $this->dbi->tryQuery($alter_real_sql_query)) { $_POST['createdb-1'] = $_POST['createdb-2'] = $_POST['createdb-3'] = null; $message = Message::rawError((string) $this->dbi->getError()); } else { $sql_query .= $alter_sql_query; $message = Message::success(__('You have added a new user.')); } if (isset($_POST['createdb-1'])) { // Create database with same name and grant all privileges $q = 'CREATE DATABASE IF NOT EXISTS ' . Util::backquote( $this->dbi->escapeString($username) ) . ';'; $sql_query .= $q; if (! $this->dbi->tryQuery($q)) { $message = Message::rawError((string) $this->dbi->getError()); } /** * Reload the navigation */ $GLOBALS['reload'] = true; $GLOBALS['db'] = $username; $q = 'GRANT ALL PRIVILEGES ON ' . Util::backquote( Util::escapeMysqlWildcards( $this->dbi->escapeString($username) ) ) . '.* TO \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\';'; $sql_query .= $q; if (! $this->dbi->tryQuery($q)) { $message = Message::rawError((string) $this->dbi->getError()); } } if (isset($_POST['createdb-2'])) { // Grant all privileges on wildcard name (username\_%) $q = 'GRANT ALL PRIVILEGES ON ' . Util::backquote( Util::escapeMysqlWildcards( $this->dbi->escapeString($username) ) . '\_%' ) . '.* TO \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\';'; $sql_query .= $q; if (! $this->dbi->tryQuery($q)) { $message = Message::rawError((string) $this->dbi->getError()); } } if (isset($_POST['createdb-3'])) { // Grant all privileges on the specified database to the new user $q = 'GRANT ALL PRIVILEGES ON ' . Util::backquote( $this->dbi->escapeString($dbname) ) . '.* TO \'' . $this->dbi->escapeString($username) . '\'@\'' . $this->dbi->escapeString($hostname) . '\';'; $sql_query .= $q; if (! $this->dbi->tryQuery($q)) { $message = Message::rawError((string) $this->dbi->getError()); } } return [ $sql_query, $message, ]; } /** * Get the hashed string for password * * @param string $password password * * @return string */ public function getHashedPassword($password) { $password = $this->dbi->escapeString($password); $result = $this->dbi->fetchSingleRow( "SELECT PASSWORD('" . $password . "') AS `password`;" ); return $result['password']; } /** * Check if MariaDB's 'simple_password_check' * OR 'cracklib_password_check' is ACTIVE * * @return bool if at least one of the plugins is ACTIVE */ public function checkIfMariaDBPwdCheckPluginActive() { $serverVersion = $this->dbi->getVersion(); if (! (Util::getServerType() === 'MariaDB' && $serverVersion >= 100002)) { return false; } $result = $this->dbi->tryQuery( 'SHOW PLUGINS SONAME LIKE \'%_password_check%\'' ); /* Plugins are not working, for example directory does not exists */ if ($result === false) { return false; } while ($row = $this->dbi->fetchAssoc($result)) { if ($row['Status'] === 'ACTIVE') { return true; } } return false; } /** * 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, $alter_real_sql_query, $alter_sql_query) */ public function getSqlQueriesForDisplayAndAddUser($username, $hostname, $password) { $slashedUsername = $this->dbi->escapeString($username); $slashedHostname = $this->dbi->escapeString($hostname); $slashedPassword = $this->dbi->escapeString($password); $serverType = Util::getServerType(); $serverVersion = $this->dbi->getVersion(); $create_user_stmt = sprintf( 'CREATE USER \'%s\'@\'%s\'', $slashedUsername, $slashedHostname ); $isMariaDBPwdPluginActive = $this->checkIfMariaDBPwdCheckPluginActive(); // See https://github.com/phpmyadmin/phpmyadmin/pull/11560#issuecomment-147158219 // for details regarding details of syntax usage for various versions // 'IDENTIFIED WITH auth_plugin' // is supported by MySQL 5.5.7+ if (($serverType === 'MySQL' || $serverType === 'Percona Server') && $serverVersion >= 50507 && isset($_POST['authentication_plugin']) ) { $create_user_stmt .= ' IDENTIFIED WITH ' . $_POST['authentication_plugin']; } // 'IDENTIFIED VIA auth_plugin' // is supported by MariaDB 5.2+ if ($serverType === 'MariaDB' && $serverVersion >= 50200 && isset($_POST['authentication_plugin']) && ! $isMariaDBPwdPluginActive ) { $create_user_stmt .= ' IDENTIFIED VIA ' . $_POST['authentication_plugin']; } $create_user_real = $create_user_stmt; $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\'', implode(', ', $this->extractPrivInfo()), $slashedUsername, $slashedHostname ); $real_sql_query = $sql_query = $sql_query_stmt; // Set the proper hashing method if (isset($_POST['authentication_plugin'])) { $this->setProperPasswordHashing( $_POST['authentication_plugin'] ); } // Use 'CREATE USER ... WITH ... AS ..' syntax for // newer MySQL versions // and 'CREATE USER ... VIA .. USING ..' syntax for // newer MariaDB versions if ((($serverType == 'MySQL' || $serverType == 'Percona Server') && $serverVersion >= 50706) || ($serverType == 'MariaDB' && $serverVersion >= 50200) ) { $password_set_real = null; // Required for binding '%' with '%s' $create_user_stmt = str_replace( '%', '%%', $create_user_stmt ); // MariaDB uses 'USING' whereas MySQL uses 'AS' // but MariaDB with validation plugin needs cleartext password if ($serverType == 'MariaDB' && ! $isMariaDBPwdPluginActive ) { $create_user_stmt .= ' USING \'%s\''; } elseif ($serverType == 'MariaDB') { $create_user_stmt .= ' IDENTIFIED BY \'%s\''; } elseif (($serverType == 'MySQL' || $serverType == 'Percona Server') && $serverVersion >= 80011) { if (mb_strpos($create_user_stmt, 'IDENTIFIED') === false) { // Maybe the authentication_plugin was not posted and then a part is missing $create_user_stmt .= ' IDENTIFIED BY \'%s\''; } else { $create_user_stmt .= ' BY \'%s\''; } } else { $create_user_stmt .= ' AS \'%s\''; } if ($_POST['pred_password'] === 'keep') { $create_user_real = sprintf( $create_user_stmt, $slashedPassword ); $create_user_show = sprintf( $create_user_stmt, '***' ); } elseif ($_POST['pred_password'] === 'none') { $create_user_real = sprintf( $create_user_stmt, null ); $create_user_show = sprintf( $create_user_stmt, '***' ); } else { if (! (($serverType === 'MariaDB' && $isMariaDBPwdPluginActive) || ($serverType === 'MySQL' || $serverType === 'Percona Server') && $serverVersion >= 80011) ) { $hashedPassword = $this->getHashedPassword($_POST['pma_pw']); } else { // MariaDB with validation plugin needs cleartext password $hashedPassword = $_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, $slashedPassword ); } elseif ($_POST['pred_password'] === 'none') { $password_set_real = sprintf( $password_set_stmt, $slashedUsername, $slashedHostname, null ); } else { $hashedPassword = $this->getHashedPassword($_POST['pma_pw']); $password_set_real = sprintf( $password_set_stmt, $slashedUsername, $slashedHostname, $hashedPassword ); } } $alter_real_sql_query = ''; $alter_sql_query = ''; if (($serverType === 'MySQL' || $serverType === 'Percona Server') && $serverVersion >= 80011) { $sql_query_stmt = ''; if ((isset($_POST['Grant_priv']) && $_POST['Grant_priv'] === 'Y') || (isset($GLOBALS['Grant_priv']) && $GLOBALS['Grant_priv'] === 'Y') ) { $sql_query_stmt = ' WITH GRANT OPTION'; } $real_sql_query .= $sql_query_stmt; $sql_query .= $sql_query_stmt; $alter_sql_query_stmt = sprintf( 'ALTER USER \'%s\'@\'%s\'', $slashedUsername, $slashedHostname ); $alter_real_sql_query = $alter_sql_query_stmt; $alter_sql_query = $alter_sql_query_stmt; } // add REQUIRE clause $require_clause = $this->getRequireClause(); $with_clause = $this->getWithClauseForAddUserAndUpdatePrivs(); if (($serverType === 'MySQL' || $serverType === 'Percona Server') && $serverVersion >= 80011) { $alter_real_sql_query .= $require_clause; $alter_sql_query .= $require_clause; $alter_real_sql_query .= $with_clause; $alter_sql_query .= $with_clause; } else { $real_sql_query .= $require_clause; $sql_query .= $require_clause; $real_sql_query .= $with_clause; $sql_query .= $with_clause; } if ($alter_real_sql_query !== '') { $alter_real_sql_query .= ';'; $alter_sql_query .= ';'; } $create_user_real .= ';'; $create_user_show .= ';'; $real_sql_query .= ';'; $sql_query .= ';'; // No Global GRANT_OPTION privilege if (! $this->dbi->isGrantUser()) { $real_sql_query = ''; $sql_query = ''; } // Use 'SET PASSWORD' for pre-5.7.6 MySQL versions // and pre-5.2.0 MariaDB if (($serverType === 'MySQL' && $serverVersion >= 50706) || ($serverType === 'MariaDB' && $serverVersion >= 50200) ) { $password_set_real = null; $password_set_show = null; } else { if ($password_set_real !== null) { $password_set_real .= ';'; } $password_set_show .= ';'; } return [ $create_user_real, $create_user_show, $real_sql_query, $sql_query, $password_set_real, $password_set_show, $alter_real_sql_query, $alter_sql_query, ]; } /** * Returns the type ('PROCEDURE' or 'FUNCTION') of the routine * * @param string $dbname database * @param string $routineName routine * * @return string type */ public function getRoutineType($dbname, $routineName) { $routineData = $this->dbi->getRoutines($dbname); foreach ($routineData as $routine) { if ($routine['name'] === $routineName) { return $routine['type']; } } return ''; } /** * @param string $username User name * @param string $hostname Host name * @param string $database Database name * @param string $routine Routine name * * @return array */ private function getRoutinePrivileges( string $username, string $hostname, string $database, string $routine ): array { $sql = 'SELECT `Proc_priv`' . ' FROM `mysql`.`procs_priv`' . " WHERE `User` = '" . $this->dbi->escapeString($username) . "'" . " AND `Host` = '" . $this->dbi->escapeString($hostname) . "'" . " AND `Db` = '" . $this->dbi->escapeString(Util::unescapeMysqlWildcards($database)) . "'" . " AND `Routine_name` LIKE '" . $this->dbi->escapeString($routine) . "';"; $privileges = $this->dbi->fetchValue($sql); if ($privileges === false) { $privileges = ''; } return $this->parseProcPriv($privileges); } public function getFormForChangePassword(string $username, string $hostname, bool $editOthers): string { global $route; $isPrivileges = $route === '/server/privileges'; $serverType = Util::getServerType(); $serverVersion = $this->dbi->getVersion(); $origAuthPlugin = $this->getCurrentAuthenticationPlugin( 'change', $username, $hostname ); $isNew = ($serverType === 'MySQL' && $serverVersion >= 50507) || ($serverType === 'MariaDB' && $serverVersion >= 50200); $hasMoreAuthPlugins = ($serverType === 'MySQL' && $serverVersion >= 50706) || ($this->dbi->isSuperUser() && $editOthers); $activeAuthPlugins = ['mysql_native_password' => __('Native MySQL authentication')]; if ($isNew && $hasMoreAuthPlugins) { $activeAuthPlugins = $this->getActiveAuthPlugins(); if (isset($activeAuthPlugins['mysql_old_password'])) { unset($activeAuthPlugins['mysql_old_password']); } } return $this->template->render('server/privileges/change_password', [ 'username' => $username, 'hostname' => $hostname, 'is_privileges' => $isPrivileges, 'is_new' => $isNew, 'has_more_auth_plugins' => $hasMoreAuthPlugins, 'active_auth_plugins' => $activeAuthPlugins, 'orig_auth_plugin' => $origAuthPlugin, ]); } }