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

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

src/eap_common/eap_defs.h

@@ -72,13 +72,16 @@ typedef enum {
 enum {
 	EAP_VENDOR_IETF = 0,
 	EAP_VENDOR_MICROSOFT = 0x000137 /* Microsoft */,
-	EAP_VENDOR_WFA = 0x00372A /* Wi-Fi Alliance */,
+	EAP_VENDOR_WFA = 0x00372A /* Wi-Fi Alliance (moved to WBA) */,
-	EAP_VENDOR_HOSTAP = 39068 /* hostapd/wpa_supplicant project */
+	EAP_VENDOR_HOSTAP = 39068 /* hostapd/wpa_supplicant project */,
+	EAP_VENDOR_WFA_NEW = 40808 /* Wi-Fi Alliance */
 };
 
 #define EAP_VENDOR_UNAUTH_TLS EAP_VENDOR_HOSTAP
 #define EAP_VENDOR_TYPE_UNAUTH_TLS 1
 
+#define EAP_VENDOR_WFA_UNAUTH_TLS 13
+
 #define EAP_MSK_LEN 64
 #define EAP_EMSK_LEN 64
 

src/eap_peer/eap_methods.h

@@ -86,6 +86,7 @@ static inline int eap_peer_method_unload(struct eap_method *method)
 int eap_peer_md5_register(void);
 int eap_peer_tls_register(void);
 int eap_peer_unauth_tls_register(void);
+int eap_peer_wfa_unauth_tls_register(void);
 int eap_peer_mschapv2_register(void);
 int eap_peer_peap_register(void);
 int eap_peer_ttls_register(void);

src/eap_peer/eap_tls.c

@@ -98,6 +98,33 @@ static void * eap_unauth_tls_init(struct eap_sm *sm)
 #endif /* EAP_UNAUTH_TLS */
 
 
+#ifdef CONFIG_HS20
+static void * eap_wfa_unauth_tls_init(struct eap_sm *sm)
+{
+	struct eap_tls_data *data;
+	struct eap_peer_config *config = eap_get_config(sm);
+
+	data = os_zalloc(sizeof(*data));
+	if (data == NULL)
+		return NULL;
+
+	data->ssl_ctx = sm->init_phase2 && sm->ssl_ctx2 ? sm->ssl_ctx2 :
+		sm->ssl_ctx;
+
+	if (eap_peer_tls_ssl_init(sm, &data->ssl, config,
+				  EAP_WFA_UNAUTH_TLS_TYPE)) {
+		wpa_printf(MSG_INFO, "EAP-TLS: Failed to initialize SSL.");
+		eap_tls_deinit(sm, data);
+		return NULL;
+	}
+
+	data->eap_type = EAP_WFA_UNAUTH_TLS_TYPE;
+
+	return data;
+}
+#endif /* CONFIG_HS20 */
+
+
 static void eap_tls_deinit(struct eap_sm *sm, void *priv)
 {
 	struct eap_tls_data *data = priv;
@@ -382,3 +409,35 @@ int eap_peer_unauth_tls_register(void)
 	return ret;
 }
 #endif /* EAP_UNAUTH_TLS */
+
+
+#ifdef CONFIG_HS20
+int eap_peer_wfa_unauth_tls_register(void)
+{
+	struct eap_method *eap;
+	int ret;
+
+	eap = eap_peer_method_alloc(EAP_PEER_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->deinit = eap_tls_deinit;
+	eap->process = eap_tls_process;
+	eap->isKeyAvailable = eap_tls_isKeyAvailable;
+	eap->getKey = eap_tls_getKey;
+	eap->get_status = eap_tls_get_status;
+	eap->has_reauth_data = eap_tls_has_reauth_data;
+	eap->deinit_for_reauth = eap_tls_deinit_for_reauth;
+	eap->init_for_reauth = eap_tls_init_for_reauth;
+	eap->get_emsk = eap_tls_get_emsk;
+
+	ret = eap_peer_method_register(eap);
+	if (ret)
+		eap_peer_method_free(eap);
+	return ret;
+}
+#endif /* CONFIG_HS20 */

src/eap_peer/eap_tls_common.c

@@ -23,6 +23,10 @@ static 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);
+	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);
 }
@@ -846,6 +850,10 @@ const u8 * eap_peer_tls_process_init(struct eap_sm *sm,
 		pos = eap_hdr_validate(EAP_VENDOR_UNAUTH_TLS,
 				       EAP_VENDOR_TYPE_UNAUTH_TLS, reqData,
 				       &left);
+	else if (eap_type == EAP_WFA_UNAUTH_TLS_TYPE)
+		pos = eap_hdr_validate(EAP_VENDOR_WFA_NEW,
+				       EAP_VENDOR_WFA_UNAUTH_TLS, reqData,
+				       &left);
 	else
 		pos = eap_hdr_validate(EAP_VENDOR_IETF, eap_type, reqData,
 				       &left);

src/eap_peer/eap_tls_common.h

@@ -87,6 +87,7 @@ 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
 
 
 int eap_peer_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,

wpa_supplicant/eap_register.c

@@ -40,6 +40,13 @@ int eap_register_methods(void)
 		ret = eap_peer_unauth_tls_register();
 #endif /* EAP_UNAUTH_TLS */
 
+#ifdef EAP_TLS
+#ifdef CONFIG_HS20
+	if (ret == 0)
+		ret = eap_peer_wfa_unauth_tls_register();
+#endif /* CONFIG_HS20 */
+#endif /* EAP_TLS */
+
 #ifdef EAP_MSCHAPv2
 	if (ret == 0)
 		ret = eap_peer_mschapv2_register();