Interworking: Notify the ANQP parsing status

The ANQP verification/parsing is done only after the GAS_DONE indication
is sent over the control interface. This means that in case the ANQP
parsing fails there is no indication to the upper layers. Add an
ANQP-QUERY-DONE event that reports the status of the ANQP parsing.

Signed-off-by: ASHUTOSH NARAYAN <ashutoshx.narayan@intel.com>

src/common/wpa_ctrl.h

@@ -196,6 +196,9 @@ extern "C" {
 /* parameters: <addr> <dialog_token> <freq> <status_code> <result> */
 #define GAS_QUERY_DONE "GAS-QUERY-DONE "
 
+/* parameters: <addr> <result> */
+#define ANQP_QUERY_DONE "ANQP-QUERY-DONE "
+
 #define HS20_SUBSCRIPTION_REMEDIATION "HS20-SUBSCRIPTION-REMEDIATION "
 #define HS20_DEAUTH_IMMINENT_NOTICE "HS20-DEAUTH-IMMINENT-NOTICE "
 

wpa_supplicant/interworking.c

@@ -2785,6 +2785,7 @@ void anqp_resp_cb(void *ctx, const u8 *dst, u8 dialog_token,
 	u16 info_id;
 	u16 slen;
 	struct wpa_bss *bss = NULL, *tmp;
+	const char *anqp_result = "SUCCESS";
 
 	wpa_printf(MSG_DEBUG, "Interworking: anqp_resp_cb dst=" MACSTR
 		   " dialog_token=%u result=%d status_code=%u",
@@ -2792,7 +2793,8 @@ void anqp_resp_cb(void *ctx, const u8 *dst, u8 dialog_token,
 	if (result != GAS_QUERY_SUCCESS) {
 		if (wpa_s->fetch_osu_icon_in_progress)
 			hs20_icon_fetch_failed(wpa_s);
-		return;
+		anqp_result = "FAILURE";
+		goto out;
 	}
 
 	pos = wpabuf_head(adv_proto);
@@ -2802,7 +2804,8 @@ void anqp_resp_cb(void *ctx, const u8 *dst, u8 dialog_token,
 			   "Protocol in response");
 		if (wpa_s->fetch_osu_icon_in_progress)
 			hs20_icon_fetch_failed(wpa_s);
-		return;
+		anqp_result = "INVALID_FRAME";
+		goto out;
 	}
 
 	/*
@@ -2828,7 +2831,8 @@ void anqp_resp_cb(void *ctx, const u8 *dst, u8 dialog_token,
 
 		if (left < 4) {
 			wpa_printf(MSG_DEBUG, "ANQP: Invalid element");
-			break;
+			anqp_result = "INVALID_FRAME";
+			goto out_parse_done;
 		}
 		info_id = WPA_GET_LE16(pos);
 		pos += 2;
@@ -2838,14 +2842,19 @@ void anqp_resp_cb(void *ctx, const u8 *dst, u8 dialog_token,
 		if (left < slen) {
 			wpa_printf(MSG_DEBUG, "ANQP: Invalid element length "
 				   "for Info ID %u", info_id);
-			break;
+			anqp_result = "INVALID_FRAME";
+			goto out_parse_done;
 		}
 		interworking_parse_rx_anqp_resp(wpa_s, bss, dst, info_id, pos,
 						slen);
 		pos += slen;
 	}
 
+out_parse_done:
 	hs20_notify_parse_done(wpa_s);
+out:
+	wpa_msg(wpa_s, MSG_INFO, ANQP_QUERY_DONE "addr=" MACSTR " result=%s",
+		MAC2STR(dst), anqp_result);
 }