_kadm5_get_kpasswd_protocol
if (_kadm5_get_kpasswd_protocol(server_handle) == KRB5_CHGPWD_RPCSEC) {
krb5_chgpwd_prot _kadm5_get_kpasswd_protocol(void *server_handle);
passwd_protocol = _kadm5_get_kpasswd_protocol(server_handle);
if (_kadm5_get_kpasswd_protocol(server_handle) != KRB5_CHGPWD_RPCSEC) {