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https://github.com/atlanticbiomedical/portal-legacy.git
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initial commit
This commit is contained in:
Chris Sewell
249
html/phpmyad/libraries/auth/signon.auth.lib.php
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249
html/phpmyad/libraries/auth/signon.auth.lib.php
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<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Set of functions used to run single signon authentication.
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*
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* @package PhpMyAdmin-Auth-Signon
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*/
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/**
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* Displays authentication form
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*
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* @global string the font face to use in case of failure
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* @global string the default font size to use in case of failure
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* @global string the big font size to use in case of failure
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*
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* @return boolean always true (no return indeed)
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*
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* @access public
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*/
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function PMA_auth()
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{
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unset($_SESSION['LAST_SIGNON_URL']);
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if (empty($GLOBALS['cfg']['Server']['SignonURL'])) {
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PMA_fatalError('You must set SignonURL!');
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} elseif (!empty($_REQUEST['old_usr']) && !empty($GLOBALS['cfg']['Server']['LogoutURL'])) {
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/* Perform logout to custom URL */
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PMA_sendHeaderLocation($GLOBALS['cfg']['Server']['LogoutURL']);
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} else {
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PMA_sendHeaderLocation($GLOBALS['cfg']['Server']['SignonURL']);
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}
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exit();
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} // end of the 'PMA_auth()' function
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/**
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* Gets advanced authentication settings
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*
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* @global string the username if register_globals is on
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* @global string the password if register_globals is on
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* @global array the array of server variables if register_globals is
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* off
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* @global array the array of environment variables if register_globals
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* is off
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* @global string the username for the ? server
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* @global string the password for the ? server
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* @global string the username for the WebSite Professional server
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* @global string the password for the WebSite Professional server
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* @global string the username of the user who logs out
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*
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* @return boolean whether we get authentication settings or not
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*
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* @access public
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*/
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function PMA_auth_check()
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{
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global $PHP_AUTH_USER, $PHP_AUTH_PW;
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/* Check if we're using same sigon server */
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if (isset($_SESSION['LAST_SIGNON_URL']) && $_SESSION['LAST_SIGNON_URL'] != $GLOBALS['cfg']['Server']['SignonURL']) {
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return false;
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}
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/* Script name */
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$script_name = $GLOBALS['cfg']['Server']['SignonScript'];
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/* Session name */
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$session_name = $GLOBALS['cfg']['Server']['SignonSession'];
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/* Login URL */
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$signon_url = $GLOBALS['cfg']['Server']['SignonURL'];
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/* Current host */
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$single_signon_host = $GLOBALS['cfg']['Server']['host'];
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/* Current port */
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$single_signon_port = $GLOBALS['cfg']['Server']['port'];
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/* No configuration updates */
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$single_signon_cfgupdate = array();
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/* Are we requested to do logout? */
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$do_logout = !empty($_REQUEST['old_usr']);
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/* Handle script based auth */
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if (!empty($script_name)) {
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if (! file_exists($script_name)) {
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PMA_fatalError(__('Can not find signon authentication script:') . ' ' . $script_name);
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}
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include $script_name;
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list ($PHP_AUTH_USER, $PHP_AUTH_PW) = get_login_credentials($cfg['Server']['user']);
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/* Does session exist? */
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} elseif (isset($_COOKIE[$session_name])) {
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/* End current session */
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$old_session = session_name();
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$old_id = session_id();
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session_write_close();
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/* Load single signon session */
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session_name($session_name);
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session_id($_COOKIE[$session_name]);
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session_start();
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/* Clear error message */
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unset($_SESSION['PMA_single_signon_error_message']);
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/* Grab credentials if they exist */
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if (isset($_SESSION['PMA_single_signon_user'])) {
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if ($do_logout) {
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$PHP_AUTH_USER = '';
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} else {
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$PHP_AUTH_USER = $_SESSION['PMA_single_signon_user'];
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}
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}
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if (isset($_SESSION['PMA_single_signon_password'])) {
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if ($do_logout) {
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$PHP_AUTH_PW = '';
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} else {
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$PHP_AUTH_PW = $_SESSION['PMA_single_signon_password'];
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}
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}
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if (isset($_SESSION['PMA_single_signon_host'])) {
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$single_signon_host = $_SESSION['PMA_single_signon_host'];
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}
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if (isset($_SESSION['PMA_single_signon_port'])) {
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$single_signon_port = $_SESSION['PMA_single_signon_port'];
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}
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if (isset($_SESSION['PMA_single_signon_cfgupdate'])) {
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$single_signon_cfgupdate = $_SESSION['PMA_single_signon_cfgupdate'];
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}
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/* Also get token as it is needed to access subpages */
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if (isset($_SESSION['PMA_single_signon_token'])) {
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/* No need to care about token on logout */
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$pma_token = $_SESSION['PMA_single_signon_token'];
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}
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/* End single signon session */
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session_write_close();
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/* Restart phpMyAdmin session */
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session_name($old_session);
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if (!empty($old_id)) {
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session_id($old_id);
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}
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session_start();
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/* Set the single signon host */
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$GLOBALS['cfg']['Server']['host'] = $single_signon_host;
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/* Set the single signon port */
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$GLOBALS['cfg']['Server']['port'] = $single_signon_port;
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/* Configuration update */
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$GLOBALS['cfg']['Server'] = array_merge($GLOBALS['cfg']['Server'], $single_signon_cfgupdate);
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/* Restore our token */
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if (!empty($pma_token)) {
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$_SESSION[' PMA_token '] = $pma_token;
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}
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/**
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* Clear user cache.
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*/
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PMA_clearUserCache();
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}
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// Returns whether we get authentication settings or not
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if (empty($PHP_AUTH_USER)) {
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unset($_SESSION['LAST_SIGNON_URL']);
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return false;
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} else {
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$_SESSION['LAST_SIGNON_URL'] = $GLOBALS['cfg']['Server']['SignonURL'];
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return true;
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}
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} // end of the 'PMA_auth_check()' function
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/**
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* Set the user and password after last checkings if required
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*
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* @global array the valid servers settings
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* @global integer the id of the current server
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* @global array the current server settings
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* @global string the current username
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* @global string the current password
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*
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* @return boolean always true
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*
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* @access public
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*/
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function PMA_auth_set_user()
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{
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global $cfg;
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global $PHP_AUTH_USER, $PHP_AUTH_PW;
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$cfg['Server']['user'] = $PHP_AUTH_USER;
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$cfg['Server']['password'] = $PHP_AUTH_PW;
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return true;
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} // end of the 'PMA_auth_set_user()' function
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/**
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* User is not allowed to login to MySQL -> authentication failed
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*
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* @return boolean always true (no return indeed)
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*
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* @access public
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*/
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function PMA_auth_fails()
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{
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/* Session name */
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$session_name = $GLOBALS['cfg']['Server']['SignonSession'];
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/* Does session exist? */
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if (isset($_COOKIE[$session_name])) {
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/* End current session */
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$old_session = session_name();
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$old_id = session_id();
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session_write_close();
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/* Load single signon session */
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session_name($session_name);
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session_id($_COOKIE[$session_name]);
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session_start();
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/* Set error message */
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if (! empty($GLOBALS['login_without_password_is_forbidden'])) {
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$_SESSION['PMA_single_signon_error_message'] = __('Login without a password is forbidden by configuration (see AllowNoPassword)');
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} elseif (! empty($GLOBALS['allowDeny_forbidden'])) {
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$_SESSION['PMA_single_signon_error_message'] = __('Access denied');
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} elseif (! empty($GLOBALS['no_activity'])) {
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$_SESSION['PMA_single_signon_error_message'] = sprintf(__('No activity within %s seconds; please log in again'), $GLOBALS['cfg']['LoginCookieValidity']);
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} elseif (PMA_DBI_getError()) {
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$_SESSION['PMA_single_signon_error_message'] = PMA_sanitize(PMA_DBI_getError());
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} else {
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$_SESSION['PMA_single_signon_error_message'] = __('Cannot log in to the MySQL server');
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}
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}
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PMA_auth();
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} // end of the 'PMA_auth_fails()' function
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?>
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