Simple LDAP Authentication Shell

ldap_auth.php

<?
 
$user = '<AD_User>';    // get from post
$ldappass = '<AD_Password>';  // associated password
 
// using ldap bind
$ldaprdn  = $user . '@<domain>.local';     // ldap rdn or dn
$ldap_server = 'ldap://<domaindc>'; //domain controller
 
// connect to ldap server
$ldapconn = ldap_connect($ldap_server, 389)
    or die("Could not connect to LDAP server.");
 
if ($ldapconn) {
 
    // binding to ldap server
    $ldapbind = ldap_bind($ldapconn, $ldaprdn, $ldappass);
 
    // verify binding
    if ($ldapbind) {
        echo "LDAP bind successful...";
         
 
    } else {
        echo "LDAP bind failed...";
    }
}
 
else{
    echo "LDAP Connection to " . $ldap_server . "failed";
}
 
?>