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<?php
/* $Id: grab_globals.lib.php,v 2.12 2005/08/14 19:31:55 lem9 Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:


/**
 * This library grabs the names and values of the variables sent or posted to a
 * script in the $_* arrays and sets simple globals variables from them. It does
 * the same work for the $PHP_SELF, $HTTP_ACCEPT_LANGUAGE and
 * $HTTP_AUTHORIZATION variables.
 *
 * loic1 - 2001/25/11: use the new globals arrays defined with php 4.1+
 */

include ("config.php");

function sanitize($input){
    $output="";
    if(is_array($input)){
        foreach($input as $k=>$i){
            $output[$k]=sanitize($i);
        }
    }
    else{
        if(get_magic_quotes_gpc()){
            $input=stripslashes($input);
        }
        $output=addslashes($input);
#       echo "$input san $output<br>";
    }
    return $output;
}

$_POST=sanitize($_POST);
$_GET=sanitize($_GET);
$_COOKIE=sanitize($_COOKIE);
$_REQUEST=sanitize($_REQUEST);

foreach ($_POST as $var => $value) {
${"$var"}=$value;
}

foreach ($_GET as $var => $value) {
${"$var"}=$value;
}

// check if a subform is submitted
$__redirect = NULL;
if ( isset( $_POST['usesubform'] ) ) {
    // if a subform is present and should be used
    // the rest of the form is deprecated
    $subform_id = key( $_POST['usesubform'] );
    $subform    = $_POST['subform'][$subform_id];
    $_POST      = $subform;
    if ( isset( $_POST['redirect'] ) 
      && $_POST['redirect'] != basename( $_SERVER['PHP_SELF'] ) ) {
        $__redirect = $_POST['redirect'];
        unset( $_POST['redirect'] );
    } // end if ( isset( $_POST['redirect'] ) )
} // end if ( isset( $_POST['usesubform'] ) )
// end check if a subform is submitted

if (!empty($_FILES)) {
    foreach ($_FILES AS $name => $value) {
        $$name = $value['tmp_name'];
        ${$name . '_name'} = $value['name'];
    }
} // end if

if (!empty($_SERVER)) {
    $server_vars = array('PHP_SELF', 'HTTP_ACCEPT_LANGUAGE', 'HTTP_AUTHORIZATION');
    foreach ($server_vars as $current) {
        if (isset($_SERVER[$current])) {
            $$current = $_SERVER[$current];
        } elseif (!isset($$current)) {
            $$current = '';
        }
    }
    unset($server_vars, $current);
} // end if

// Security fix: disallow accessing serious server files via "?goto="
if (isset($goto) && strpos(' ' . $goto, '/') > 0 && substr($goto, 0, 2) != './') {
    unset($goto);
} // end if

if ( ! empty( $__redirect ) ) {
    require('./' . $__redirect);
    exit();
} // end if ( ! empty( $__redirect ) )
?>