if(! isset($_SERVER['PHP_AUTH_USER'])) { authenticate_user(); } else { mysql_connect("localhost","authenticator","secret") or die("Can't connect to database server!"); mysql_select_db("gilmorebook") or die("Can't select authentication database!");
$query = "SELECT username, pswd FROM user WHERE username='$_SERVER[PHP_AUTH_USER]' AND pswd=MD5('$_SERVER[PHP_AUTH_PW]') AND ipAddress='$_SERVER[REMOTE_ADDR]'";