Qmail Support Forum

Patrick kimwaki · Guest

I have installed squirrelmail but for some reason that
i cant identify it fails to opent.the actual error
below:

Fatal error: Call to undefined function: session_id()
in /srv/www/htdocs/webmail/functions/global.php on
line 332

Here's the script below

l/functions/global.php
<?php

/**
* global.php
*
* Copyright (c) 1999-2005 The SquirrelMail Project
Team
* Licensed under the GNU GPL. For full terms see the
file COPYING.
*
* This includes code to update < 4.1.0 globals to the
newer format
* It also has some session register functions that
work across various
* php versions.
*
* @version $Id: global.php,v 1.27.2.11 2005/04/14
10:52:45 pdontthink Exp $
* @package squirrelmail
*/

/** Bring in the config file. */
require_once(SM_PATH . 'config/config.php');

/** set the name of the session cookie */
if(isset($session_name) && $session_name) {
ini_set('session.name' , $session_name);
} else {
ini_set('session.name' , 'SQMSESSID');
}

/**
* If magic_quotes_runtime is on, SquirrelMail breaks
in new and creative ways.
* Force magic_quotes_runtime off.
* tassium@squirrelmail.org - I put it here in the
hopes that all SM code includ
es this.
* If there's a better place, please let me know.
*/
ini_set('magic_quotes_runtime','0');

/* convert old-style superglobals to current method
* this is executed if you are running PHP 4.0.x.
* it is run via a require_once directive in
validate.php
* and redirect.php. Patch submitted by Ray Black.
*/
sqsession_is_active();
if ( !check_php_version(4,1) ) {
global $_COOKIE, $_ENV, $_FILES, $_GET, $_POST,
$_SERVER, $_SESSION;
global $HTTP_COOKIE_VARS, $HTTP_ENV_VARS,
$HTTP_POST_FILES, $HTTP_GET_VARS,
$HTTP_POST_VARS, $HTTP_SERVER_VARS,
$HTTP_SESSION_VARS, $PHP_SELF;
$_COOKIE =& $HTTP_COOKIE_VARS;
$_ENV =& $HTTP_ENV_VARS;
$_FILES =& $HTTP_POST_FILES;
$_GET =& $HTTP_GET_VARS;
$_POST =& $HTTP_POST_VARS;
$_SERVER =& $HTTP_SERVER_VARS;
$_SESSION =& $HTTP_SESSION_VARS;
if (!isset($PHP_SELF) || empty($PHP_SELF)) {
$PHP_SELF = $HTTP_SERVER_VARS['PHP_SELF'];
}
}

/* if running with magic_quotes_gpc then strip the
slashes
from POST and GET global arrays */

if (get_magic_quotes_gpc()) {
sqstripslashes($_GET);
sqstripslashes($_POST);
}

/* strip any tags added to the url from PHP_SELF.
This fixes hand crafted url XXS expoits for any
page that uses PHP_SELF as the FORM action */

$_SERVER['PHP_SELF'] =
strip_tags($_SERVER['PHP_SELF']);

/**
* returns true if current php version is at mimimum
a.b.c
*
* Called: check_php_version(4,1)
* @param int a major version number
* @param int b minor version number
* @param int c release number
* @return bool
*/
function check_php_version ($a = '0', $b = '0', $c =
'0')
{
global $SQ_PHP_VERSION;

if(!isset($SQ_PHP_VERSION))
$SQ_PHP_VERSION = substr( str_pad(
preg_replace('/\D/','', PHP_VERSION),
3, '0'), 0, 3);

return $SQ_PHP_VERSION >= ($a.$b.$c);
}

/**
* returns true if the current internal SM version is
at minimum a.b.c
* These are plain integer comparisons, as our
internal version is
* constructed by us, as an array of 3 ints.
*
* Called: check_sm_version(1,3,3)
* @param int a major version number
* @param int b minor version number
* @param int c release number
* @return bool
*/
function check_sm_version($a = 0, $b = 0, $c = 0)
{
global $SQM_INTERNAL_VERSION;
if ( !isset($SQM_INTERNAL_VERSION) ||
$SQM_INTERNAL_VERSION[0] < $a ||
( $SQM_INTERNAL_VERSION[0] == $a &&
$SQM_INTERNAL_VERSION[1] < $b) ||
( $SQM_INTERNAL_VERSION[0] == $a &&
$SQM_INTERNAL_VERSION[1] == $b &&
$SQM_INTERNAL_VERSION[2] < $c ) ) {
return FALSE;
}
return TRUE;
}

/**
* Recursively strip slashes from the values of an
array.
* @param array array the array to strip, passed by
reference
* @return void
*/
function sqstripslashes(&$array) {
if(count($array) > 0) {
foreach ($array as $index=>$value) {
if (is_array($array[$index])) {
sqstripslashes($array[$index]);
}
else {
$array[$index] = stripslashes($value);
}
}
}
}

/**
* Add a variable to the session.
* @param mixed $var the variable to register
* @param string $name the name to refer to this
variable
* @return void
*/
function sqsession_register ($var, $name) {

sqsession_is_active();

if ( !check_php_version(4,1) ) {
global $HTTP_SESSION_VARS;
$HTTP_SESSION_VARS[$name] = $var;
} else {
$_SESSION["$name"] = $var;
}
session_register("$name");
}

/**
* Delete a variable from the session.
* @param string $name the name of the var to delete
* @return void
*/
function sqsession_unregister ($name) {

sqsession_is_active();

if ( !check_php_version(4,1) ) {
global $HTTP_SESSION_VARS;
unset($HTTP_SESSION_VARS[$name]);
} else {
unset($_SESSION[$name]);
}
session_unregister("$name");
}

/**
* Checks to see if a variable has already been
registered
* in the session.
* @param string $name the name of the var to check
* @return bool whether the var has been registered
*/
function sqsession_is_registered ($name) {
$test_name = &$name;
$result = false;
if ( !check_php_version(4,1) ) {
global $HTTP_SESSION_VARS;
if (isset($HTTP_SESSION_VARS[$test_name])) {
$result = true;
}
} else {
if (isset($_SESSION[$test_name])) {
$result = true;
}
}

return $result;
}

define('SQ_INORDER',0);
define('SQ_GET',1);
define('SQ_POST',2);
define('SQ_SESSION',3);
define('SQ_COOKIE',4);
define('SQ_SERVER',5);
define('SQ_FORM',6);

/**
* Search for the var $name in $_SESSION, $_POST,
$_GET,
* $_COOKIE, or $_SERVER and set it in provided var.
*
* If $search is not provided, or == SQ_INORDER, it
will search
* $_SESSION, then $_POST, then $_GET. Otherwise,
* use one of the defined constants to look for
* a var in one place specifically.
*
* Note: $search is an int value equal to one of the
* constants defined above.
*
* example:
* sqgetGlobalVar('username',$username,SQ_SESSION);
* -- no quotes around last param!
*
* @param string name the name of the var to search
* @param mixed value the variable to return
* @param int search constant defining where to look
* @return bool whether variable is found.
*/
function sqgetGlobalVar($name, &$value, $search =
SQ_INORDER) {

if ( !check_php_version(4,1) ) {
global $HTTP_COOKIE_VARS, $HTTP_GET_VARS,
$HTTP_POST_VARS,
$HTTP_SERVER_VARS, $HTTP_SESSION_VARS;

$_COOKIE =& $HTTP_COOKIE_VARS;
$_GET =& $HTTP_GET_VARS;
$_POST =& $HTTP_POST_VARS;
$_SERVER =& $HTTP_SERVER_VARS;
$_SESSION =& $HTTP_SESSION_VARS;
}

/* NOTE: DO NOT enclose the constants in the
switch
statement with quotes. They are constant
values,
enclosing them in quotes will cause them to
evaluate
as strings. */
switch ($search) {
/* we want the default case to be first here,
so that if a valid value isn't specified,
all three arrays will be searched. */
default:
case SQ_INORDER: // check session, post, get
case SQ_SESSION:
if( isset($_SESSION[$name]) ) {
$value = $_SESSION[$name];
return TRUE;
} elseif ( $search == SQ_SESSION ) {
break;
}
case SQ_FORM: // check post, get
case SQ_POST:
if( isset($_POST[$name]) ) {
$value = $_POST[$name];
return TRUE;
} elseif ( $search == SQ_POST ) {
break;
}
case SQ_GET:
if ( isset($_GET[$name]) ) {
$value = $_GET[$name];
return TRUE;
}
/* NO IF HERE. FOR SQ_INORDER CASE, EXIT after
GET */
break;
case SQ_COOKIE:
if ( isset($_COOKIE[$name]) ) {
$value = $_COOKIE[$name];
return TRUE;
}
break;
case SQ_SERVER:
if ( isset($_SERVER[$name]) ) {
$value = $_SERVER[$name];
return TRUE;
}
break;
}
/* if not found, return false */
return FALSE;
}

/**
* Deletes an existing session, more advanced than the
standard PHP
* session_destroy(), it explicitly deletes the
cookies and global vars.
*/
function sqsession_destroy() {

/*
* php.net says we can kill the cookie by setting
just the name:
*
http://www.php.net/manual/en/function.setcookie.php
* maybe this will help fix the session merging
again.
*
* Changed the theory on this to kill the cookies
first starting
* a new session will provide a new session for
all instances of
* the browser, we don't want that, as that is
what is causing the
* merging of sessions.
*/

global $base_uri;

if (isset($_COOKIE[session_name()]))
setcookie(session_name(), '', time() -
5, $base_uri);
if (isset($_COOKIE['username']))
setcookie('username','',time() - 5,$base_ur
i);
if (isset($_COOKIE['key']))
setcookie('key','',time() - 5,$base_uri);

$sessid = session_id();
if (!empty( $sessid )) {
if ( !check_php_version(4,1) ) {
global $HTTP_SESSION_VARS;
$HTTP_SESSION_VARS = array();
} else {
$_SESSION = array();
}
@session_destroy();
}

}

/**
* Function to verify a session has been started. If
it hasn't
* start a session up. php.net doesn't tell you that
$_SESSION
* (even though autoglobal), is not created unless a
session is
* started, unlike $_POST, $_GET and such
*/

function sqsession_is_active() {

$sessid = session_id();
if ( empty( $sessid ) ) {
session_start();
}
}

// vim: et ts=4
?>

PHP · Guest

You need to make sure PHP has session support enabled.

This error message would indicate that it isn't.
See

http://www.php.net/manual/en/ref.session.php for more info.