DPP: Indicate to upper layers whether mutual authentication was used

DPP Responder selects whether mutual authentication is used. This commit
adds information about that selection to upper layers (ctrl_iface event
DPP-AUTH-DIRECTION mutual=<0/1>) on the Initiator side.

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

src/common/dpp.c

@@ -3481,6 +3481,9 @@ dpp_auth_resp_rx(struct dpp_authentication *auth, const u8 *hdr,
 		auth->own_bi = NULL;
 	}
 
+	wpa_msg(auth->msg_ctx, MSG_INFO, DPP_EVENT_AUTH_DIRECTION "mutual=%d",
+		auth->own_bi != NULL);
+
 	r_proto = dpp_get_attr(attr_start, attr_len, DPP_ATTR_R_PROTOCOL_KEY,
 			       &r_proto_len);
 	if (!r_proto) {

src/common/wpa_ctrl.h

@@ -157,6 +157,7 @@ extern "C" {
 #define DPP_EVENT_NOT_COMPATIBLE "DPP-NOT-COMPATIBLE "
 #define DPP_EVENT_RESPONSE_PENDING "DPP-RESPONSE-PENDING "
 #define DPP_EVENT_SCAN_PEER_QR_CODE "DPP-SCAN-PEER-QR-CODE "
+#define DPP_EVENT_AUTH_DIRECTION "DPP-AUTH-DIRECTION "
 #define DPP_EVENT_CONF_RECEIVED "DPP-CONF-RECEIVED "
 #define DPP_EVENT_CONF_SENT "DPP-CONF-SENT "
 #define DPP_EVENT_CONF_FAILED "DPP-CONF-FAILED "