HS 2.0R2: Add WFA server-only EAP-TLS server method

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

hostapd/eap_register.c

@@ -44,6 +44,13 @@ int eap_server_register_methods(void)
 		ret = eap_server_unauth_tls_register();
 #endif /* EAP_SERVER_TLS */
 
+#ifdef EAP_SERVER_TLS
+#ifdef CONFIG_HS20
+	if (ret == 0)
+		ret = eap_server_wfa_unauth_tls_register();
+#endif /* CONFIG_HS20 */
+#endif /* EAP_SERVER_TLS */
+
 #ifdef EAP_SERVER_MSCHAPV2
 	if (ret == 0)
 		ret = eap_server_mschapv2_register();

src/eap_server/eap_methods.h

@@ -27,6 +27,7 @@ int eap_server_identity_register(void);
 int eap_server_md5_register(void);
 int eap_server_tls_register(void);
 int eap_server_unauth_tls_register(void);
+int eap_server_wfa_unauth_tls_register(void);
 int eap_server_mschapv2_register(void);
 int eap_server_peap_register(void);
 int eap_server_tlv_register(void);

src/eap_server/eap_server_tls.c

@@ -94,6 +94,28 @@ static void * eap_unauth_tls_init(struct eap_sm *sm)
 #endif /* EAP_SERVER_UNAUTH_TLS */
 
 
+#ifdef CONFIG_HS20
+static void * eap_wfa_unauth_tls_init(struct eap_sm *sm)
+{
+	struct eap_tls_data *data;
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+	data->state = START;
+
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+		wpa_printf(MSG_INFO, "EAP-TLS: Failed to initialize SSL.");
+		eap_tls_reset(sm, data);
+		return NULL;
+	}
+
+	data->eap_type = EAP_WFA_UNAUTH_TLS_TYPE;
+	return data;
+}
+#endif /* CONFIG_HS20 */
+
+
 static void eap_tls_reset(struct eap_sm *sm, void *priv)
 {
 	struct eap_tls_data *data = priv;
@@ -178,6 +200,10 @@ static Boolean eap_tls_check(struct eap_sm *sm, void *priv,
 		pos = eap_hdr_validate(EAP_VENDOR_UNAUTH_TLS,
 				       EAP_VENDOR_TYPE_UNAUTH_TLS, respData,
 				       &len);
+	else if (data->eap_type == EAP_WFA_UNAUTH_TLS_TYPE)
+		pos = eap_hdr_validate(EAP_VENDOR_WFA_NEW,
+				       EAP_VENDOR_WFA_UNAUTH_TLS, respData,
+				       &len);
 	else
 		pos = eap_hdr_validate(EAP_VENDOR_IETF, data->eap_type,
 				       respData, &len);
@@ -340,3 +366,34 @@ int eap_server_unauth_tls_register(void)
 	return ret;
 }
 #endif /* EAP_SERVER_UNAUTH_TLS */
+
+
+#ifdef CONFIG_HS20
+int eap_server_wfa_unauth_tls_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
+				      EAP_VENDOR_WFA_NEW,
+				      EAP_VENDOR_WFA_UNAUTH_TLS,
+				      "WFA-UNAUTH-TLS");
+	if (eap == NULL)
+		return -1;
+
+	eap->init = eap_wfa_unauth_tls_init;
+	eap->reset = eap_tls_reset;
+	eap->buildReq = eap_tls_buildReq;
+	eap->check = eap_tls_check;
+	eap->process = eap_tls_process;
+	eap->isDone = eap_tls_isDone;
+	eap->getKey = eap_tls_getKey;
+	eap->isSuccess = eap_tls_isSuccess;
+	eap->get_emsk = eap_tls_get_emsk;
+
+	ret = eap_server_method_register(eap);
+	if (ret)
+		eap_server_method_free(eap);
+	return ret;
+}
+#endif /* CONFIG_HS20 */

src/eap_server/eap_server_tls_common.c

@@ -25,6 +25,10 @@ struct wpabuf * eap_tls_msg_alloc(EapType type, size_t payload_len,
 		return eap_msg_alloc(EAP_VENDOR_UNAUTH_TLS,
 				     EAP_VENDOR_TYPE_UNAUTH_TLS, payload_len,
 				     code, identifier);
+	else if (type == EAP_WFA_UNAUTH_TLS_TYPE)
+		return eap_msg_alloc(EAP_VENDOR_WFA_NEW,
+				     EAP_VENDOR_WFA_UNAUTH_TLS, payload_len,
+				     code, identifier);
 	return eap_msg_alloc(EAP_VENDOR_IETF, type, payload_len, code,
 			     identifier);
 }
@@ -393,6 +397,10 @@ int eap_server_tls_process(struct eap_sm *sm, struct eap_ssl_data *data,
 		pos = eap_hdr_validate(EAP_VENDOR_UNAUTH_TLS,
 				       EAP_VENDOR_TYPE_UNAUTH_TLS, respData,
 				       &left);
+	else if (eap_type == EAP_WFA_UNAUTH_TLS_TYPE)
+		pos = eap_hdr_validate(EAP_VENDOR_WFA_NEW,
+				       EAP_VENDOR_WFA_UNAUTH_TLS, respData,
+				       &left);
 	else
 		pos = eap_hdr_validate(EAP_VENDOR_IETF, eap_type, respData,
 				       &left);

src/eap_server/eap_tls_common.h

@@ -64,6 +64,7 @@ struct eap_ssl_data {
 
 /* dummy type used as a flag for UNAUTH-TLS */
 #define EAP_UNAUTH_TLS_TYPE 255
+#define EAP_WFA_UNAUTH_TLS_TYPE 254
 
 
 struct wpabuf * eap_tls_msg_alloc(EapType type, size_t payload_len,