18da5f5fcd5aedea95fb3d7c76dc40ab1fc7892a
6 * Copyright (c) 1999-2002 The SquirrelMail Project Team
7 * Licensed under the GNU GPL. For full terms see the file COPYING.
9 * This includes code to update < 4.1.0 globals to the newer format
10 * It also has some session register functions that work across various
17 /* convert old-style superglobals to current method
18 * this is executed if you are running PHP 4.0.x.
19 * it is run via a require_once directive in validate.php
20 * and redirect.php. Patch submitted by Ray Black.
23 if ( !check_php_version(4,1) ) {
24 global $_COOKIE, $_ENV, $_FILES, $_GET, $_POST, $_SERVER, $_SESSION;
25 global $HTTP_COOKIE_VARS, $HTTP_ENV_VARS, $HTTP_POST_FILES, $HTTP_GET_VARS,
26 $HTTP_POST_VARS, $HTTP_SERVER_VARS, $HTTP_SESSION_VARS;
27 $_COOKIE =& $HTTP_COOKIE_VARS;
28 $_ENV =& $HTTP_ENV_VARS;
29 $_FILES =& $HTTP_POST_FILES;
30 $_GET =& $HTTP_GET_VARS;
31 $_POST =& $HTTP_POST_VARS;
32 $_SERVER =& $HTTP_SERVER_VARS;
33 $_SESSION =& $HTTP_SESSION_VARS;
36 /* if running with magic_quotes_gpc then strip the slashes
37 from POST and GET global arrays */
39 if (get_magic_quotes_gpc()) {
40 sqstripslashes($_GET);
41 sqstripslashes($_POST);
44 /* strip any tags added to the url from PHP_SELF.
45 This fixes hand crafted url XXS expoits for any
46 page that uses PHP_SELF as the FORM action */
48 strip_tags($_SERVER['PHP_SELF']);
50 /* returns true if current php version is at mimimum a.b.c */
51 function check_php_version ($a = '0', $b = '0', $c = '0')
53 global $SQ_PHP_VERSION;
55 if(!isset($SQ_PHP_VERSION))
56 $SQ_PHP_VERSION = substr( str_pad( preg_replace('/\D/','', PHP_VERSION
), 3, '0'), 0, 3);
58 return $SQ_PHP_VERSION >= ($a.$b.$c);
61 /* recursively strip slashes from the values of an array */
62 function sqstripslashes(&$array) {
63 if(count($array) > 0) {
64 foreach ($array as $index=>$value) {
65 if (is_array($array[$index])) {
66 sqstripslashes($array[$index]);
69 $array[$index] = stripslashes($value);
75 function sqsession_register ($var, $name) {
76 if ( !check_php_version(4,1) ) {
77 global $HTTP_SESSION_VARS;
78 $HTTP_SESSION_VARS[$name] = $var;
81 $_SESSION["$name"] = $var;
85 function sqsession_unregister ($name) {
86 if ( !check_php_version(4,1) ) {
87 global $HTTP_SESSION_VARS;
88 unset($HTTP_SESSION_VARS[$name]);
91 unset($_SESSION[$name]);
95 function sqsession_is_registered ($name) {
98 if ( !check_php_version(4,1) ) {
99 global $HTTP_SESSION_VARS;
100 if (isset($HTTP_SESSION_VARS[$test_name])) {
105 if (isset($_SESSION[$test_name])) {
114 * Search for the var $name in $_SESSION, $_POST, $_GET
115 * (in that order) and register it as a global var.
117 function sqextractGlobalVar ($name) {
118 if ( !check_php_version(4,1) ) {
119 global $_SESSION, $_GET, $_POST;
122 if( isset($_SESSION[$name]) ) {
123 $
$name = $_SESSION[$name];
125 if( isset($_POST[$name]) ) {
126 $
$name = $_POST[$name];
128 else if ( isset($_GET[$name]) ) {
129 $
$name = $_GET[$name];
133 function sqsession_destroy() {
136 /* start session to be able to destroy it later */
139 if ( !check_php_version(4,1) ) {
140 global $HTTP_SESSION_VARS;
141 $HTTP_SESSION_VARS = array();
148 * now reset cookies to 5 seconds ago to delete from browser
152 $cookie_params = session_get_cookie_params();
153 setcookie(session_name(), '', time() - 5, $cookie_params['path'],
154 $cookie_params['domain']);
155 setcookie('username', '', time() - 5, $base_uri);
156 setcookie('key', '', time() - 5 , $base_uri);