error_reporting(E_ALL);
+/**
+ * Make sure we have a page name
+ *
+ */
+if ( !defined('PAGE_NAME') ) define('PAGE_NAME', NULL);
+
+
/**
* If register_globals are on, unregister globals.
* Second test covers boolean set as string (php_value register_globals off).
case 'key':
case 'value':
break;
- case 'sInitLocation':
- // FIXME: variable must be set only in src/login.php
- break;
default:
unset($GLOBALS[$key]);
}
unset($GLOBALS['value']);
}
+/**
+ * Used as a dummy value, e.g., for passing as an empty
+ * hook argument (where the value is passed by reference,
+ * and therefore NULL itself is not acceptable).
+ */
+global $null;
+$null = NULL;
+
/**
* [#1518885] session.use_cookies = off breaks SquirrelMail
*
- * When session cookies are not used, all http redirects, meta refreshes,
- * src/download.php and javascript URLs are broken. Setting must be set
+ * When session cookies are not used, all http redirects, meta refreshes,
+ * src/download.php and javascript URLs are broken. Setting must be set
* before session is started.
*/
if (!(bool)ini_get('session.use_cookies') ||
ini_set('session.use_cookies','1');
}
+
/**
* calculate SM_PATH and calculate the base_uri
* assumptions made: init.php is only called from plugins or from the src dir.
*
*/
if (isset($_SERVER['SCRIPT_NAME'])) {
- $a = explode('/',$_SERVER['SCRIPT_NAME']);
+ $a = explode('/', $_SERVER['SCRIPT_NAME']);
} elseif (isset($HTTP_SERVER_VARS['SCRIPT_NAME'])) {
- $a = explode('/',$HTTP_SERVER_VARS['SCRIPT_NAME']);
+ $a = explode('/', $HTTP_SERVER_VARS['SCRIPT_NAME']);
} else {
- $error = 'Unable to detect script environment. '
- .'Please test your PHP settings and send PHP core config, $_SERVER '
- .'and $HTTP_SERVER_VARS to SquirrelMail developers.';
+ $error = 'Unable to detect script environment. Please test your PHP '
+ . 'settings and send your PHP core configuration, $_SERVER and '
+ . '$HTTP_SERVER_VARS contents to the SquirrelMail developers.';
die($error);
}
$sSM_PATH = '';
-for($i = count($a) -2;$i > -1; --$i) {
+for($i = count($a) -2; $i > -1; --$i) {
$sSM_PATH .= '../';
if ($a[$i] === 'src' || $a[$i] === 'plugins') {
break;
}
}
-$base_uri = implode('/',array_slice($a,0,$i)). '/';
+$base_uri = implode('/', array_slice($a, 0, $i)). '/';
define('SM_PATH',$sSM_PATH);
define('SM_BASE_URI', $base_uri);
+
+
/**
* global var $bInit is used to check if initialisation took place.
* At this moment it's a workarounf for the include of addrbook_search_html
$color[16] = '#ff9933'; /* (orange) Highlight color */
require(SM_PATH . 'functions/global.php');
+require(SM_PATH . 'functions/strings.php');
require(SM_PATH . 'functions/arrays.php');
/* load default configuration */
}
/**
- * if session.auto_start is On then close the session
+ * When session.auto_start is On we want to destroy/close the session
*/
$sSessionAutostartName = session_name();
-if ((isset($sSessionAutostartName) || $sSessionAutostartName == '') &&
- $sSessionAutostartName !== $session_name) {
+$sCookiePath = null;
+if (isset($sSessionAutostartName) && $sSessionAutostartName !== $session_name) {
$sCookiePath = ini_get('session.cookie_path');
$sCookieDomain = ini_get('session.cookie_domain');
// reset the cookie
sqsession_is_active();
/**
- * SquirrelMail version number -- DO NOT CHANGE
+ * When on login page, have to reset the user session, making
+ * sure to save session restore data first
*/
-$version = '1.5.2 [CVS]';
+if (PAGE_NAME == 'login') {
+ if (!sqGetGlobalVar('session_expired_post', $sep, SQ_SESSION))
+ $sep = '';
+ if (!sqGetGlobalVar('session_expired_location', $sel, SQ_SESSION))
+ $sel = '';
+ sqsession_destroy();
+ session_write_close();
+
+ /**
+ * in some rare instances, the session seems to stick
+ * around even after destroying it (!!), so if it does,
+ * we'll manually flatten the $_SESSION data
+ */
+ if (!empty($_SESSION))
+ $_SESSION = array();
+
+ /**
+ * Allow administrators to define custom session handlers
+ * for SquirrelMail without needing to change anything in
+ * php.ini (application-level).
+ *
+ * In config_local.php, admin needs to put:
+ *
+ * $custom_session_handlers = array(
+ * 'my_open_handler',
+ * 'my_close_handler',
+ * 'my_read_handler',
+ * 'my_write_handler',
+ * 'my_destroy_handler',
+ * 'my_gc_handler',
+ * );
+ * session_module_name('user');
+ * session_set_save_handler(
+ * $custom_session_handlers[0],
+ * $custom_session_handlers[1],
+ * $custom_session_handlers[2],
+ * $custom_session_handlers[3],
+ * $custom_session_handlers[4],
+ * $custom_session_handlers[5]
+ * );
+ *
+ * We need to replicate that code once here because PHP has
+ * long had a bug that resets the session handler mechanism
+ * when the session data is also destroyed. Because of this
+ * bug, even administrators who define custom session handlers
+ * via a PHP pre-load defined in php.ini (auto_prepend_file)
+ * will still need to define the $custom_session_handlers array
+ * in config_local.php.
+ */
+ global $custom_session_handlers;
+ if (!empty($custom_session_handlers)) {
+ $open = $custom_session_handlers[0];
+ $close = $custom_session_handlers[1];
+ $read = $custom_session_handlers[2];
+ $write = $custom_session_handlers[3];
+ $destroy = $custom_session_handlers[4];
+ $gc = $custom_session_handlers[5];
+ session_module_name('user');
+ session_set_save_handler($open, $close, $read, $write, $destroy, $gc);
+ }
+
+ sqsession_is_active();
+ session_regenerate_id();
+
+ // put session restore data back into session if necessary
+ if (!empty($sel)) {
+ sqsession_register($sel, 'session_expired_location');
+ if (!empty($sep))
+ sqsession_register($sep, 'session_expired_post');
+ }
+}
/**
* SquirrelMail internal version number -- DO NOT CHANGE
* $sm_internal_version = array (release, major, minor)
*/
-$SQM_INTERNAL_VERSION = array(1,5,2);
+$SQM_INTERNAL_VERSION = explode('.', SM_VERSION, 3);
+$SQM_INTERNAL_VERSION[2] = intval($SQM_INTERNAL_VERSION[2]);
+
+
+/* load prefs system; even when user not logged in, should be OK to do this here */
+require(SM_PATH . 'functions/prefs.php');
+
+// FIXME: config/plugin_hooks.php has not yet been loaded (see a few lines below); so this hook call should I think not be working -- has anyone actually tested it? Is there any reason we cannot move this prefs code block down below "MAIN PLUGIN LOADING CODE HERE" (see below)? Reading the code, I *think* it should be OK, but.... Also, note that this code would then be placed immediately next to the config_override hook, and since it makes little sense to execute two hooks in a row, I will propose removing config_override (although sadly, it is less clear to plugin authors that they should use the prefs_backend hook to do any configuration override work in their plugin)
+$prefs_backend = do_hook('prefs_backend', $null);
+if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
+ require(SM_PATH . $prefs_backend);
+} elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
+ require(SM_PATH . 'functions/db_prefs.php');
+} else {
+ require(SM_PATH . 'functions/file_prefs.php');
+}
+
+
+/* if plugins are disabled only for one user and
+ * the current user is NOT that user, turn them
+ * back on
+ */
+sqgetGlobalVar('username',$username,SQ_SESSION);
+if ($disable_plugins && !empty($disable_plugins_user)
+ && $username != $disable_plugins_user) {
+ $disable_plugins = false;
+}
+
+/* remove all plugins if they are disabled */
+if ($disable_plugins) {
+ $plugins = array();
+}
+
/**
* Include Compatibility plugin if available.
*/
-if (file_exists(SM_PATH . 'plugins/compatibility/functions.php'))
+if (!$disable_plugins && file_exists(SM_PATH . 'plugins/compatibility/functions.php'))
include_once(SM_PATH . 'plugins/compatibility/functions.php');
/**
* MAIN PLUGIN LOADING CODE HERE
- * On init, we no longer need to load all plugin setup files.
+ * On init, we no longer need to load all plugin setup files.
* Now, we load the statically generated hook registrations here
* and let the hook calls include only the plugins needed.
*/
$squirrelmail_plugin_hooks = array();
-if (file_exists(SM_PATH . 'config/plugin_hooks.php')) {
+if (!$disable_plugins && file_exists(SM_PATH . 'config/plugin_hooks.php')) {
require(SM_PATH . 'config/plugin_hooks.php');
}
* allow plugins to override main configuration; hook is placed
* here to allow plugins to use session information to do their work
*/
-do_hook('config_override');
+do_hook('config_override', $null);
/**
* DISABLED.
* Remove globalized session data in rg=on setups
- *
+ *
* Code can be utilized when session is started, but data is not loaded.
- * We have already loaded configuration and other important vars. Can't
+ * We have already loaded configuration and other important vars. Can't
* clean session globals here.
if ((bool) @ini_get('register_globals') &&
strtolower(ini_get('register_globals'))!='off') {
/**
- * @var $sInitlocation From where do we include.
+ * Do something special for some pages. This is based on the PAGE_NAME constand
+ * set at the top of every page.
*/
-if (!isset($sInitLocation)) {
- $sInitLocation=NULL;
-}
-
-/**
- * Before 1.5.2 version hook was part of functions/constants.php.
- * After init layout changes, hook had to be moved because include/constants.php is
- * loaded before plugins are initialized.
- * @since 1.2.0
- */
-do_hook('loading_constants');
-
-switch ($sInitLocation) {
- case 'style':
+switch (PAGE_NAME) {
+ case 'style':
// need to get the right template set up
//
}
session_write_close();
- sqsetcookieflush();
break;
case 'redirect':
- /**
- * directory hashing functions are needed for all setups in case
- * plugins use own pref files.
- */
- require(SM_PATH . 'functions/prefs.php');
require(SM_PATH . 'functions/auth.php');
- /* hook loads custom prefs backend plugins */
- $prefs_backend = do_hook_function('prefs_backend');
- if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
- require(SM_PATH . $prefs_backend);
- } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
- require(SM_PATH . 'functions/db_prefs.php');
- } else {
- require(SM_PATH . 'functions/file_prefs.php');
- }
//nobreak;
+
case 'login':
require(SM_PATH . 'functions/display_messages.php' );
require(SM_PATH . 'functions/page_header.php');
* because they probably belong to other php apps
*/
if (ini_get('session.name') !== $sSessionAutostartName) {
- sqsetcookie(ini_get('session.name'),'',0,$sCookiePath);
+ // This does not work. Sometimes the cookie with SQSESSID=deleted and path /
+ // is picked up in webmail.php => login will fail
+ //sqsetcookie(ini_get('session.name'),'',0,$sCookiePath);
}
}
break;
require(SM_PATH . 'functions/display_messages.php' );
require(SM_PATH . 'functions/page_header.php');
require(SM_PATH . 'functions/html.php');
- require(SM_PATH . 'functions/strings.php');
/**
require(SM_PATH . 'functions/auth.php');
if ( !sqsession_is_registered('user_is_logged_in') ) {
+
+ // use $message to indicate what logout text the user
+ // will see... if 0, typical "You must be logged in"
+ // if 1, information that the user session was saved
+ // and will be resumed after (re)login
+ //
+ $message = 0;
+
// First we store some information in the new session to prevent
// information-loss.
//
$session_expired_post = $_POST;
- $session_expired_location = $PHP_SELF;
+ $session_expired_location = PAGE_NAME;
if (!sqsession_is_registered('session_expired_post')) {
sqsession_register($session_expired_post,'session_expired_post');
}
if (!sqsession_is_registered('session_expired_location')) {
sqsession_register($session_expired_location,'session_expired_location');
+ if ($session_expired_location == 'compose')
+ $message = 1;
}
// signout page will deal with users who aren't logged
// in on its own; don't show error here
//
- if (strpos($PHP_SELF, 'signout.php') !== FALSE) {
- return;
+ if ( PAGE_NAME == 'signout' ) {
+ return;
}
/**
* Initialize the template object (logout_error uses it)
*/
/*
- * $sTemplateID is not initialized when a user is not logged in, so we
- * will use the config file defaults here. If the neccesary variables
+ * $sTemplateID is not initialized when a user is not logged in, so we
+ * will use the config file defaults here. If the neccesary variables
* are net set, force a default value.
*/
$sTemplateID = Template::get_default_template_set();
$oTemplate = Template::construct_template($sTemplateID);
set_up_language($squirrelmail_language, true);
- logout_error( _("You must be logged in to access this page.") );
+ if (!$message)
+ logout_error( _("You must be logged in to access this page.") );
+ else
+ logout_error( _("Your session has expired, but will be resumed after logging in again.") );
exit;
}
+//FIXME: remove next line if the placement of the copy of this line above does not prove to be problematic
sqgetGlobalVar('username',$username,SQ_SESSION);
sqgetGlobalVar('authz',$authz,SQ_SESSION);
$prefs_cache = false; //array();
}
- /* see 'redirect' case */
- require(SM_PATH . 'functions/prefs.php');
-
- $prefs_backend = do_hook_function('prefs_backend');
- if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
- require(SM_PATH . $prefs_backend);
- } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
- require(SM_PATH . 'functions/db_prefs.php');
- } else {
- require(SM_PATH . 'functions/file_prefs.php');
- }
-
/**
* initializing user settings
*/
* Set up the language.
*/
$err=set_up_language(getPref($data_dir, $username, 'language'));
- /* this is the last cookie we set so flush it. */
- sqsetcookieflush();
// Japanese translation used without mbstring support
if ($err==2) {
} else {
// interface runs on server's time zone. Remove php E_STRICT complains
$default_timezone = @date_default_timezone_get();
- date_default_timezone_set($default_timezone);
+ date_default_timezone_set($default_timezone);
}
}
break;
}
/*
- * $sTemplateID is not initialized when a user is not logged in, so we
- * will use the config file defaults here. If the neccesary variables
+ * $sTemplateID is not initialized when a user is not logged in, so we
+ * will use the config file defaults here. If the neccesary variables
* are not set, force a default value.
- *
- * If the user is logged in, $sTemplateID will be set in load_prefs.php,
+ *
+ * If the user is logged in, $sTemplateID will be set in load_prefs.php,
* so we shouldn't change it here.
*/
if (!isset($sTemplateID)) {
}
// We want some variables to always be available to the template
-$always_include = array('sTemplateID', 'icon_theme_path', 'javascript_on');
+$oTemplate->assign('javascript_on',
+ (sqGetGlobalVar('user_is_logged_in', $user_is_logged_in, SQ_SESSION)
+ ? checkForJavascript() : 0));
+$oTemplate->assign('base_uri', sqm_baseuri());
+$always_include = array('sTemplateID', 'icon_theme_path');
foreach ($always_include as $var) {
$oTemplate->assign($var, (isset($$var) ? $$var : NULL));
}
if ( !$reset && sqGetGlobalVar('javascript_on', $javascript_on, SQ_SESSION) )
return $javascript_on;
+ $user_is_logged_in = FALSE;
if ( $reset || !isset($javascript_setting) )
$javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);