NTSTATUS auth_generic_prepare(const struct tsocket_address *remote_address,
struct auth_generic_state **auth_ntlmssp_state);
-NTSTATUS auth_ntlmssp_start(struct auth_generic_state *auth_ntlmssp_state);
NTSTATUS auth_generic_start(struct auth_generic_state *auth_ntlmssp_state, const char *oid);
NTSTATUS auth_generic_authtype_start(struct auth_generic_state *auth_ntlmssp_state,
uint8_t auth_type, uint8_t auth_level);