EAP server: Disable TLS session ticket with EAP-TLS/TTLS/PEAP

The EAP server is not yet capable of using TLS session ticket to resume
a session. Explicitly disable use of TLS session ticket with
EAP-TLS/TTLS/PEAP to avoid wasting resources on generating a session
ticket that cannot be used for anything.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/eap_server/eap_server_fast.c

@@ -428,7 +428,7 @@ static void * eap_fast_init(struct eap_sm *sm)
 	}
 	data->state = START;
 
-	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0, EAP_TYPE_FAST)) {
 		wpa_printf(MSG_INFO, "EAP-FAST: Failed to initialize SSL.");
 		eap_fast_reset(sm, data);
 		return NULL;

src/eap_server/eap_server_peap.c

@@ -151,7 +151,7 @@ static void * eap_peap_init(struct eap_sm *sm)
 	data->state = START;
 	data->crypto_binding = OPTIONAL_BINDING;
 
-	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0, EAP_TYPE_PEAP)) {
 		wpa_printf(MSG_INFO, "EAP-PEAP: Failed to initialize SSL.");
 		eap_peap_reset(sm, data);
 		return NULL;

src/eap_server/eap_server_tls.c

@@ -60,7 +60,7 @@ static void * eap_tls_init(struct eap_sm *sm)
 		return NULL;
 	data->state = START;
 
-	if (eap_server_tls_ssl_init(sm, &data->ssl, 1)) {
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 1, EAP_TYPE_TLS)) {
 		wpa_printf(MSG_INFO, "EAP-TLS: Failed to initialize SSL.");
 		eap_tls_reset(sm, data);
 		return NULL;
@@ -82,7 +82,7 @@ static void * eap_unauth_tls_init(struct eap_sm *sm)
 		return NULL;
 	data->state = START;
 
-	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0, EAP_UNAUTH_TLS_TYPE)) {
 		wpa_printf(MSG_INFO, "EAP-TLS: Failed to initialize SSL.");
 		eap_tls_reset(sm, data);
 		return NULL;
@@ -104,7 +104,8 @@ static void * eap_wfa_unauth_tls_init(struct eap_sm *sm)
 		return NULL;
 	data->state = START;
 
-	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0,
+				    EAP_WFA_UNAUTH_TLS_TYPE)) {
 		wpa_printf(MSG_INFO, "EAP-TLS: Failed to initialize SSL.");
 		eap_tls_reset(sm, data);
 		return NULL;

src/eap_server/eap_server_tls_common.c

@@ -44,7 +44,7 @@ static void eap_server_tls_log_cb(void *ctx, const char *msg)
 
 
 int eap_server_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
-			    int verify_peer)
+			    int verify_peer, int eap_type)
 {
 	unsigned int flags = 0;
 
@@ -70,6 +70,8 @@ int eap_server_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
 #endif /* CONFIG_TESTING_OPTIONS */
 #endif /* CONFIG_TLS_INTERNAL */
 
+	if (eap_type != EAP_TYPE_FAST)
+		flags |= TLS_CONN_DISABLE_SESSION_TICKET;
 	if (tls_connection_set_verify(sm->ssl_ctx, data->conn, verify_peer,
 				      flags, NULL, 0)) {
 		wpa_printf(MSG_INFO, "SSL: Failed to configure verification "

src/eap_server/eap_server_ttls.c

@@ -317,7 +317,7 @@ static void * eap_ttls_init(struct eap_sm *sm)
 	data->ttls_version = EAP_TTLS_VERSION;
 	data->state = START;
 
-	if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
+	if (eap_server_tls_ssl_init(sm, &data->ssl, 0, EAP_TYPE_TTLS)) {
 		wpa_printf(MSG_INFO, "EAP-TTLS: Failed to initialize SSL.");
 		eap_ttls_reset(sm, data);
 		return NULL;

src/eap_server/eap_tls_common.h

@@ -70,7 +70,7 @@ struct eap_ssl_data {
 struct wpabuf * eap_tls_msg_alloc(EapType type, size_t payload_len,
 				  u8 code, u8 identifier);
 int eap_server_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
-			    int verify_peer);
+			    int verify_peer, int eap_type);
 void eap_server_tls_ssl_deinit(struct eap_sm *sm, struct eap_ssl_data *data);
 u8 * eap_server_tls_derive_key(struct eap_sm *sm, struct eap_ssl_data *data,
 			       char *label, size_t len);