The protocol should validate which form fields are OK; no need to apply
CSTP-specific filters (which are now out of date) in the yubikey code.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
                         struct oc_auth_form *form,
                         struct oc_form_opt *opt)
 {
-       if ((strcmp(opt->name, "secondary_password") != 0) ||
-           vpninfo->token_bypassed)
+       if (vpninfo->token_bypassed)
                return -EINVAL;
        if (vpninfo->token_tries == 0) {
                vpn_progress(vpninfo, PRG_DEBUG,