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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
*
* @package PhpMyAdmin
*/
/**
*
*/
require_once 'libraries/common.inc.php';
/**
* functions implementation for this script
*/
require_once 'libraries/server_privileges.lib.php';
/**
* Does the common work
*/
$response = PMA_Response::getInstance();
$header = $response->getHeader();
$scripts = $header->getScripts();
$scripts->addFile('server_privileges.js');
$_add_user_error = false;
if (isset ($_REQUEST['username'])) {
$username = $_REQUEST['username'];
}
if (isset ($_REQUEST['hostname'])) {
$hostname = $_REQUEST['hostname'];
}
/**
* Sets globals from $_POST patterns, for privileges and max_* vars
*/
$post_patterns = array(
'/_priv$/i',
'/^max_/i'
);
foreach (array_keys($_POST) as $post_key) {
foreach ($post_patterns as $one_post_pattern) {
if (preg_match($one_post_pattern, $post_key)) {
$GLOBALS[$post_key] = $_POST[$post_key];
}
}
}
require 'libraries/server_common.inc.php';
if ($GLOBALS['cfg']['AjaxEnable']) {
$conditional_class = 'ajax';
} else {
$conditional_class = '';
}
/**
* Messages are built using the message name
*/
$strPrivDescAllPrivileges = __('Includes all privileges except GRANT.');
$strPrivDescAlter = __('Allows altering the structure of existing tables.');
$strPrivDescAlterRoutine = __('Allows altering and dropping stored routines.');
$strPrivDescCreateDb = __('Allows creating new databases and tables.');
$strPrivDescCreateRoutine = __('Allows creating stored routines.');
$strPrivDescCreateTbl = __('Allows creating new tables.');
$strPrivDescCreateTmpTable = __('Allows creating temporary tables.');
$strPrivDescCreateUser = __('Allows creating, dropping and renaming user accounts.');
$strPrivDescCreateView = __('Allows creating new views.');
$strPrivDescDelete = __('Allows deleting data.');
$strPrivDescDropDb = __('Allows dropping databases and tables.');
$strPrivDescDropTbl = __('Allows dropping tables.');
$strPrivDescEvent = __('Allows to set up events for the event scheduler');
$strPrivDescExecute = __('Allows executing stored routines.');
$strPrivDescFile = __('Allows importing data from and exporting data into files.');
$strPrivDescGrant = __('Allows adding users and privileges without reloading the privilege tables.');
$strPrivDescIndex = __('Allows creating and dropping indexes.');
$strPrivDescInsert = __('Allows inserting and replacing data.');
$strPrivDescLockTables = __('Allows locking tables for the current thread.');
$strPrivDescMaxConnections = __('Limits the number of new connections the user may open per hour.');
$strPrivDescMaxQuestions = __('Limits the number of queries the user may send to the server per hour.');
$strPrivDescMaxUpdates = __('Limits the number of commands that change any table or database the user may execute per hour.');
$strPrivDescMaxUserConnections = __('Limits the number of simultaneous connections the user may have.');
$strPrivDescProcess = __('Allows viewing processes of all users');
$strPrivDescReferences = __('Has no effect in this MySQL version.');
$strPrivDescReload = __('Allows reloading server settings and flushing the server\'s caches.');
$strPrivDescReplClient = __('Allows the user to ask where the slaves / masters are.');
$strPrivDescReplSlave = __('Needed for the replication slaves.');
$strPrivDescSelect = __('Allows reading data.');
$strPrivDescShowDb = __('Gives access to the complete list of databases.');
$strPrivDescShowView = __('Allows performing SHOW CREATE VIEW queries.');
$strPrivDescShutdown = __('Allows shutting down the server.');
$strPrivDescSuper = __('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.');
$strPrivDescTrigger = __('Allows creating and dropping triggers');
$strPrivDescUpdate = __('Allows changing data.');
$strPrivDescUsage = __('No privileges.');
/**
* Checks if a dropdown box has been used for selecting a database / table
*/
if (PMA_isValid($_REQUEST['pred_tablename'])) {
$tablename = $_REQUEST['pred_tablename'];
} elseif (PMA_isValid($_REQUEST['tablename'])) {
$tablename = $_REQUEST['tablename'];
} else {
unset($tablename);
}
if (PMA_isValid($_REQUEST['pred_dbname'])) {
$dbname = $_REQUEST['pred_dbname'];
unset($pred_dbname);
} elseif (PMA_isValid($_REQUEST['dbname'])) {
$dbname = $_REQUEST['dbname'];
} else {
unset($dbname);
unset($tablename);
}
if (isset($dbname)) {
$unescaped_db = PMA_Util::unescapeMysqlWildcards($dbname);
$db_and_table = PMA_Util::backquote($unescaped_db) . '.';
if (isset($tablename)) {
$db_and_table .= PMA_Util::backquote($tablename);
} else {
$db_and_table .= '*';
}
} else {
$db_and_table = '*.*';
}
// check if given $dbname is a wildcard or not
if (isset($dbname)) {
//if (preg_match('/\\\\(?:_|%)/i', $dbname)) {
if (preg_match('/(?<!\\\\)(?:_|%)/i', $dbname)) {
$dbname_is_wildcard = true;
} else {
$dbname_is_wildcard = false;
}
}
/**
* Checks if the user is allowed to do what he tries to...
*/
if (! $is_superuser) {
$response->addHTML(
'<h2>' . "\n"
. PMA_Util::getIcon('b_usrlist.png')
. __('Privileges') . "\n"
. '</h2>' . "\n"
);
$response->addHTML(PMA_Message::error(__('No Privileges'))->getDisplay());
exit;
}
// a random number that will be appended to the id of the user forms
$random_n = mt_rand(0, 1000000);
/**
* Changes / copies a user, part I
*/
if (isset($_REQUEST['change_copy'])) {
$user_host_condition = ' WHERE `User` = '
. "'". PMA_Util::sqlAddSlashes($_REQUEST['old_username']) . "'"
. ' AND `Host` = '
. "'" . PMA_Util::sqlAddSlashes($_REQUEST['old_hostname']) . "';";
$row = PMA_DBI_fetch_single_row(
'SELECT * FROM `mysql`.`user` ' . $user_host_condition
);
if (! $row) {
PMA_Message::notice(__('No user found.'))->display();
unset($_REQUEST['change_copy']);
} else {
extract($row, EXTR_OVERWRITE);
// Recent MySQL versions have the field "Password" in mysql.user,
// so the previous extract creates $Password but this script
// uses $password
if (! isset($password) && isset($Password)) {
$password = $Password;
}
$queries = array();
}
}
/**
* Adds a user
* (Changes / copies a user, part II)
*/
if (isset($_REQUEST['adduser_submit']) || isset($_REQUEST['change_copy'])) {
$sql_query = '';
if ($_POST['pred_username'] == 'any') {
$username = '';
}
switch ($_POST['pred_hostname']) {
case 'any':
$hostname = '%';
break;
case 'localhost':
$hostname = 'localhost';
break;
case 'hosttable':
$hostname = '';
break;
case 'thishost':
$_user_name = PMA_DBI_fetch_value('SELECT USER()');
$hostname = substr($_user_name, (strrpos($_user_name, '@') + 1));
unset($_user_name);
break;
}
$sql = "SELECT '1' FROM `mysql`.`user`"
. " WHERE `User` = '" . PMA_Util::sqlAddSlashes($username) . "'"
. " AND `Host` = '" . PMA_Util::sqlAddSlashes($hostname) . "';";
if (PMA_DBI_fetch_value($sql) == 1) {
$message = PMA_Message::error(__('The user %s already exists!'));
$message->addParam('[em]\'' . $username . '\'@\'' . $hostname . '\'[/em]');
$_REQUEST['adduser'] = true;
$_add_user_error = true;
} else {
list($create_user_real, $create_user_show, $real_sql_query, $sql_query)
= PMA_getSqlQueriesForDisplayAndAddUser(
$username, $hostname, (isset ($password) ? $password : '')
);
if (empty($_REQUEST['change_copy'])) {
$_error = false;
if (isset($create_user_real)) {
if (! PMA_DBI_try_query($create_user_real)) {
$_error = true;
}
$sql_query = $create_user_show . $sql_query;
}
list($sql_query, $message) = PMA_addUserAndCreateDatabase(
$_error, $real_sql_query, $sql_query, $username, $hostname
);
} else {
if (isset($create_user_real)) {
$queries[] = $create_user_real;
}
$queries[] = $real_sql_query;
// 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;
}
$queries_for_display[$tmp_count - 1] = $sql_query;
}
unset($res, $real_sql_query);
}
}
/**
* Changes / copies a user, part III
*/
if (isset($_REQUEST['change_copy'])) {
$queries = PMA_getDbSpecificPrivsQueriesForChangeOrCopyUser(
$queries, $username, $hostname
);
}
/**
* Updates privileges
*/
if (! empty($_POST['update_privs'])) {
list($sql_query, $message) = PMA_updatePrivileges(
$username,
$hostname,
(isset($tablename) ? $tablename : ''),
(isset($dbname) ? $dbname : '')
);
}
/**
* Revokes Privileges
*/
if (isset($_REQUEST['revokeall'])) {
list ($message, $sql_query) = PMA_getMessageAndSqlQueryForPrivilegesRevoke(
$db_and_table,
(isset($dbname) ? $dbname : ''),
(isset($tablename) ? $tablename : ''),
$username, $hostname
);
}
/**
* Updates the password
*/
if (isset($_REQUEST['change_pw'])) {
$message = PMA_getMessageForUpdatePassword(
$err_url, $username, $hostname
);
}
/**
* Deletes users
* (Changes / copies a user, part IV)
*/
if (isset($_REQUEST['delete'])
|| (isset($_REQUEST['change_copy']) && $_REQUEST['mode'] < 4)
) {
if (isset($_REQUEST['change_copy'])) {
$selected_usr = array(
$_REQUEST['old_username'] . '&amp;#27;' . $_REQUEST['old_hostname']
);
} else {
$selected_usr = $_REQUEST['selected_usr'];
$queries = array();
}
foreach ($selected_usr as $each_user) {
list($this_user, $this_host) = explode('&amp;#27;', $each_user);
$queries[] = '# '
. sprintf(
__('Deleting %s'),
'\'' . $this_user . '\'@\'' . $this_host . '\''
)
. ' ...';
$queries[] = 'DROP USER \''
. PMA_Util::sqlAddSlashes($this_user)
. '\'@\'' . PMA_Util::sqlAddSlashes($this_host) . '\';';
if (isset($_REQUEST['drop_users_db'])) {
$queries[] = 'DROP DATABASE IF EXISTS '
. PMA_Util::backquote($this_user) . ';';
$GLOBALS['reload'] = true;
if ($GLOBALS['is_ajax_request'] != true) {
$response->addHTML(
PMA_Util::getReloadNavigationScript()
);
}
}
}
if (empty($_REQUEST['change_copy'])) {
list($sql_query, $message) = PMA_deleteUser($queries);
}
}
/**
* Changes / copies a user, part V
*/
if (isset($_REQUEST['change_copy'])) {
$tmp_count = 0;
foreach ($queries as $sql_query) {
if ($sql_query{0} != '#') {
PMA_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++;
}
$message = PMA_Message::success();
$sql_query = join("\n", $queries);
}
/**
* Reloads the privilege tables into memory
*/
if (isset($_REQUEST['flush_privileges'])) {
$sql_query = 'FLUSH PRIVILEGES;';
PMA_DBI_query($sql_query);
$message = PMA_Message::success(__('The privileges were reloaded successfully.'));
}
/**
* some standard links
*/
list($link_edit, $link_revoke, $link_export)
= PMA_getStandardLinks($conditional_class);
/**
* If we are in an Ajax request for Create User/Edit User/Revoke User/
* Flush Privileges, show $message and exit.
*/
if ($GLOBALS['is_ajax_request']
&& ! isset($_REQUEST['export'])
&& (! isset($_REQUEST['submit_mult']) || $_REQUEST['submit_mult'] != 'export')
&& (! isset($_REQUEST['adduser']) || $_add_user_error)
&& (! isset($_REQUEST['initial']) || empty($_REQUEST['initial']))
&& ! isset($_REQUEST['showall'])
&& ! isset($_REQUEST['edit_user_dialog'])
&& ! isset($_REQUEST['db_specific'])
) {
$extra_data = PMA_getExtraDataForAjaxBehavior(
(isset ($password) ? $password : ''), $link_export,
(isset($sql_query) ? $sql_query : ''),
$link_edit, $hostname, $username
);
if ($message instanceof PMA_Message) {
$response = PMA_Response::getInstance();
$response->isSuccess($message->isSuccess());
$response->addJSON('message', $message);
$response->addJSON($extra_data);
exit;
}
}
/**
* Displays the links
*/
if (isset($_REQUEST['viewing_mode']) && $_REQUEST['viewing_mode'] == 'db') {
$_REQUEST['db'] = $_REQUEST['checkprivs'];
$url_query .= '&amp;goto=db_operations.php';
// Gets the database structure
$sub_part = '_structure';
ob_start();
include 'libraries/db_info.inc.php';
$content = ob_get_contents();
ob_end_clean();
$response->addHTML($content . "\n");
} else {
if (! empty($GLOBALS['message'])) {
$response->addHTML(PMA_Util::getMessage($GLOBALS['message']));
unset($GLOBALS['message']);
}
}
/**
* Displays the page
*/
// export user definition
if (isset($_REQUEST['export'])
|| (isset($_REQUEST['submit_mult']) && $_REQUEST['submit_mult'] == 'export')
) {
list($title, $export) = PMA_getHtmlForExportUserDefinition($username, $hostname);
unset($username, $hostname, $grants, $one_grant);
$response = PMA_Response::getInstance();
if ($GLOBALS['is_ajax_request']) {
$response->addJSON('message', $export);
$response->addJSON('title', $title);
exit;
} else {
$response->addHTML("<h2>$title</h2>$export");
}
}
if (empty($_REQUEST['adduser'])
&& (! isset($_REQUEST['checkprivs'])
|| ! strlen($_REQUEST['checkprivs']))
) {
if (! isset($username)) {
// No username is given --> display the overview
$response->addHTML(
PMA_getHtmlForDisplayUserOverviewPage(
$link_edit, $pmaThemeImage, $text_dir,
$conditional_class, $link_export
)
);
} else {
// A user was selected -> display the user's properties
// In an Ajax request, prevent cached values from showing
if ($GLOBALS['is_ajax_request'] == true) {
header('Cache-Control: no-cache');
}
$url_dbname = urlencode(
str_replace(
array('\_', '\%'),
array('_', '%'), $_REQUEST['dbname']
)
);
$response->addHTML(
PMA_getHtmlForDisplayUserProperties(
((isset ($dbname_is_wildcard)) ? $dbname_is_wildcard : ''),
$url_dbname, $random_n,
$username, $hostname, $link_edit, $link_revoke,
(isset($dbname) ? $dbname : ''),
(isset($tablename) ? $tablename : '')
)
);
}
} elseif (isset($_REQUEST['adduser'])) {
// Add user
$response->addHTML(
PMA_getHtmlForAddUser($random_n, (isset($dbname) ? $dbname : ''))
);
} else {
// check the privileges for a particular database.
$response->addHTML(
PMA_getHtmlForSpecificDbPrivileges($link_edit, $conditional_class)
);
} // end if (empty($_REQUEST['adduser']) && empty($checkprivs))... elseif... else...
?>
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