Viewing file:  signon.auth.lib.php (6.97 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used to run single signon authentication.
*
* @package phpMyAdmin-Auth-Signon
*/
/**
* Displays authentication form
*
* @global string the font face to use in case of failure
* @global string the default font size to use in case of failure
* @global string the big font size to use in case of failure
*
* @return boolean always true (no return indeed)
*
* @access public
*/
function PMA_auth() {
unset($_SESSION['LAST_SIGNON_URL']);
if (empty($GLOBALS['cfg']['Server']['SignonURL'])) {
PMA_fatalError('You must set SignonURL!');
} elseif (!empty($_REQUEST['old_usr']) && !empty($GLOBALS['cfg']['Server']['LogoutURL'])) {
/* Perform logout to custom URL */
PMA_sendHeaderLocation($GLOBALS['cfg']['Server']['LogoutURL']);
} else {
PMA_sendHeaderLocation($GLOBALS['cfg']['Server']['SignonURL']);
}
exit();
} // end of the 'PMA_auth()' function
/**
* Gets advanced authentication settings
*
* @global string the username if register_globals is on
* @global string the password if register_globals is on
* @global array the array of server variables if register_globals is
* off
* @global array the array of environment variables if register_globals
* is off
* @global string the username for the ? server
* @global string the password for the ? server
* @global string the username for the WebSite Professional server
* @global string the password for the WebSite Professional server
* @global string the username of the user who logs out
*
* @return boolean whether we get authentication settings or not
*
* @access public
*/
function PMA_auth_check()
{
global $PHP_AUTH_USER, $PHP_AUTH_PW;
/* Check if we're using same sigon server */
if (isset($_SESSION['LAST_SIGNON_URL']) && $_SESSION['LAST_SIGNON_URL'] != $GLOBALS['cfg']['Server']['SignonURL']) {
return false;
}
/* Session name */
$session_name = $GLOBALS['cfg']['Server']['SignonSession'];
/* Login URL */
$signon_url = $GLOBALS['cfg']['Server']['SignonURL'];
/* Current host */
$single_signon_host = $GLOBALS['cfg']['Server']['host'];
/* Current port */
$single_signon_port = $GLOBALS['cfg']['Server']['port'];
/* No configuration updates */
$single_signon_cfgupdate = array();
/* Are we requested to do logout? */
$do_logout = !empty($_REQUEST['old_usr']);
/* Does session exist? */
if (isset($_COOKIE[$session_name])) {
/* End current session */
$old_session = session_name();
$old_id = session_id();
session_write_close();
/* Load single signon session */
session_name($session_name);
session_id($_COOKIE[$session_name]);
session_start();
/* Clear error message */
unset($_SESSION['PMA_single_signon_error_message']);
/* Grab credentials if they exist */
if (isset($_SESSION['PMA_single_signon_user'])) {
if ($do_logout) {
$PHP_AUTH_USER = '';
} else {
$PHP_AUTH_USER = $_SESSION['PMA_single_signon_user'];
}
}
if (isset($_SESSION['PMA_single_signon_password'])) {
if ($do_logout) {
$PHP_AUTH_PW = '';
} else {
$PHP_AUTH_PW = $_SESSION['PMA_single_signon_password'];
}
}
if (isset($_SESSION['PMA_single_signon_host'])) {
$single_signon_host = $_SESSION['PMA_single_signon_host'];
}
if (isset($_SESSION['PMA_single_signon_port'])) {
$single_signon_port = $_SESSION['PMA_single_signon_port'];
}
if (isset($_SESSION['PMA_single_signon_cfgupdate'])) {
$single_signon_cfgupdate = $_SESSION['PMA_single_signon_cfgupdate'];
}
/* Also get token as it is needed to access subpages */
if (isset($_SESSION['PMA_single_signon_token'])) {
/* No need to care about token on logout */
$pma_token = $_SESSION['PMA_single_signon_token'];
}
/* End single signon session */
session_write_close();
/* Restart phpMyAdmin session */
session_name($old_session);
if (!empty($old_id)) {
session_id($old_id);
}
session_start();
/* Set the single signon host */
$GLOBALS['cfg']['Server']['host'] = $single_signon_host;
/* Set the single signon port */
$GLOBALS['cfg']['Server']['port'] = $single_signon_port;
/* Configuration update */
$GLOBALS['cfg']['Server'] = array_merge($GLOBALS['cfg']['Server'], $single_signon_cfgupdate);
/* Restore our token */
if (!empty($pma_token)) {
$_SESSION[' PMA_token '] = $pma_token;
}
/**
* Clear user cache.
*/
PMA_clearUserCache();
}
// Returns whether we get authentication settings or not
if (empty($PHP_AUTH_USER)) {
unset($_SESSION['LAST_SIGNON_URL']);
return false;
} else {
$_SESSION['LAST_SIGNON_URL'] = $GLOBALS['cfg']['Server']['SignonURL'];
return true;
}
} // end of the 'PMA_auth_check()' function
/**
* Set the user and password after last checkings if required
*
* @global array the valid servers settings
* @global integer the id of the current server
* @global array the current server settings
* @global string the current username
* @global string the current password
*
* @return boolean always true
*
* @access public
*/
function PMA_auth_set_user()
{
global $cfg;
global $PHP_AUTH_USER, $PHP_AUTH_PW;
$cfg['Server']['user'] = $PHP_AUTH_USER;
$cfg['Server']['password'] = $PHP_AUTH_PW;
return true;
} // end of the 'PMA_auth_set_user()' function
/**
* User is not allowed to login to MySQL -> authentication failed
*
* @return boolean always true (no return indeed)
*
* @access public
*/
function PMA_auth_fails()
{
if (! empty($GLOBALS['login_without_password_is_forbidden'])) {
$_SESSION['PMA_single_signon_error_message'] = __('Login without a password is forbidden by configuration (see AllowNoPassword)');
} elseif (! empty($GLOBALS['allowDeny_forbidden'])) {
$_SESSION['PMA_single_signon_error_message'] = __('Access denied');
} elseif (! empty($GLOBALS['no_activity'])) {
$_SESSION['PMA_single_signon_error_message'] = sprintf(__('No activity within %s seconds; please log in again'), $GLOBALS['cfg']['LoginCookieValidity']);
} elseif (PMA_DBI_getError()) {
$_SESSION['PMA_single_signon_error_message'] = PMA_sanitize(PMA_DBI_getError());
} elseif (isset($php_errormsg)) {
$_SESSION['PMA_single_signon_error_message'] = $php_errormsg;
} else {
$_SESSION['PMA_single_signon_error_message'] = __('Cannot log in to the MySQL server');
}
PMA_auth();
} // end of the 'PMA_auth_fails()' function
?>
|