P2P NFC: Report handover select from tag for static handover

WPS_NFC_TAG_READ can be used to report static connection handover where
the connection handover select message was read from an NFC tag.

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

wpa_supplicant/p2p_supplicant.c

@@ -7265,6 +7265,16 @@ static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s,
 }
 
 
+int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
+			     const struct wpabuf *data)
+{
+	if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+		return -1;
+
+	return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1);
+}
+
+
 int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
 				 const struct wpabuf *req,
 				 const struct wpabuf *sel)

wpa_supplicant/p2p_supplicant.h

@@ -152,6 +152,8 @@ struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s,
 					  int ndef);
 struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s,
 					  int ndef, int tag);
+int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
+			     const struct wpabuf *data);
 int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
 				 const struct wpabuf *req,
 				 const struct wpabuf *sel);

wpa_supplicant/wps_supplicant.c

@@ -2281,6 +2281,14 @@ int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
 		/* Assume this contains full NDEF record */
 		tmp = ndef_parse_wifi(data);
 		if (tmp == NULL) {
+#ifdef CONFIG_P2P
+			tmp = ndef_parse_p2p(data);
+			if (tmp) {
+				ret = wpas_p2p_nfc_tag_process(wpa_s, tmp);
+				wpabuf_free(tmp);
+				return ret;
+			}
+#endif /* CONFIG_P2P */
 			wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
 			return -1;
 		}