DPP: Report received messages as control interface events

This is helpful for testing purposes and also for upper layer components
that may want to show more detailed progress through a DPP exchange.

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

src/ap/dpp_hostapd.c

@@ -1184,11 +1184,20 @@ void hostapd_dpp_rx_action(struct hostapd_data *hapd, const u8 *src,
 	if (crypto_suite != 1) {
 		wpa_printf(MSG_DEBUG, "DPP: Unsupported crypto suite %u",
 			   crypto_suite);
+		wpa_msg(hapd->msg_ctx, MSG_INFO, DPP_EVENT_RX "src=" MACSTR
+			" freq=%u type=%d ignore=unsupported-crypto-suite",
+			MAC2STR(src), freq, type);
 		return;
 	}
 	wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes", buf, len);
-	if (dpp_check_attrs(buf, len) < 0)
+	if (dpp_check_attrs(buf, len) < 0) {
+		wpa_msg(hapd->msg_ctx, MSG_INFO, DPP_EVENT_RX "src=" MACSTR
+			" freq=%u type=%d ignore=invalid-attributes",
+			MAC2STR(src), freq, type);
 		return;
+	}
+	wpa_msg(hapd->msg_ctx, MSG_INFO, DPP_EVENT_RX "src=" MACSTR
+		" freq=%u type=%d", MAC2STR(src), freq, type);
 
 	switch (type) {
 	case DPP_PA_AUTHENTICATION_REQ:

src/common/wpa_ctrl.h

@@ -167,6 +167,7 @@ extern "C" {
 #define DPP_EVENT_NET_ACCESS_KEY "DPP-NET-ACCESS-KEY "
 #define DPP_EVENT_MISSING_CONNECTOR "DPP-MISSING-CONNECTOR "
 #define DPP_EVENT_NETWORK_ID "DPP-NETWORK-ID "
+#define DPP_EVENT_RX "DPP-RX "
 
 /* MESH events */
 #define MESH_GROUP_STARTED "MESH-GROUP-STARTED "

wpa_supplicant/dpp_supplicant.c

@@ -1567,11 +1567,20 @@ void wpas_dpp_rx_action(struct wpa_supplicant *wpa_s, const u8 *src,
 	if (crypto_suite != 1) {
 		wpa_printf(MSG_DEBUG, "DPP: Unsupported crypto suite %u",
 			   crypto_suite);
+		wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR
+			" freq=%u type=%d ignore=unsupported-crypto-suite",
+			MAC2STR(src), freq, type);
 		return;
 	}
 	wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes", buf, len);
-	if (dpp_check_attrs(buf, len) < 0)
+	if (dpp_check_attrs(buf, len) < 0) {
+		wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR
+			" freq=%u type=%d ignore=invalid-attributes",
+			MAC2STR(src), freq, type);
 		return;
+	}
+	wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR " freq=%u type=%d",
+		MAC2STR(src), freq, type);
 
 	switch (type) {
 	case DPP_PA_AUTHENTICATION_REQ: