Add ignore_auth_resp control interface debug parameter

Implement "SET ignore_auth_resp <0/1>" command to simulate auth/assoc
response loss and EAPOL RX packet loss by ignoring corresponding
incoming events.

Signed-off-by: Mikael Kanstrup <mikael.kanstrup@sonymobile.com>

wpa_supplicant/ctrl_iface.c

@@ -511,6 +511,8 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 		wpa_s->test_failure = atoi(value);
 	} else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
 		wpa_s->p2p_go_csa_on_inv = !!atoi(value);
+	} else if (os_strcasecmp(cmd, "ignore_auth_resp") == 0) {
+		wpa_s->ignore_auth_resp = !!atoi(value);
 #endif /* CONFIG_TESTING_OPTIONS */
 #ifndef CONFIG_NO_CONFIG_BLOBS
 	} else if (os_strcmp(cmd, "blob") == 0) {
@@ -7199,6 +7201,7 @@ static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
 	wpa_s->extra_roc_dur = 0;
 	wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
 	wpa_s->p2p_go_csa_on_inv = 0;
+	wpa_s->ignore_auth_resp = 0;
 	wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
 #endif /* CONFIG_TESTING_OPTIONS */
 

wpa_supplicant/events.c

@@ -3445,6 +3445,13 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 		sme_event_auth(wpa_s, data);
 		break;
 	case EVENT_ASSOC:
+#ifdef CONFIG_TESTING_OPTIONS
+		if (wpa_s->ignore_auth_resp) {
+			wpa_printf(MSG_INFO,
+				   "EVENT_ASSOC - ignore_auth_resp active!");
+			break;
+		}
+#endif /* CONFIG_TESTING_OPTIONS */
 		wpa_supplicant_event_assoc(wpa_s, data);
 		if (data && data->assoc_info.authorized)
 			wpa_supplicant_event_assoc_auth(wpa_s, data);
@@ -3459,6 +3466,13 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 				    data ? &data->disassoc_info : NULL);
 		break;
 	case EVENT_DEAUTH:
+#ifdef CONFIG_TESTING_OPTIONS
+		if (wpa_s->ignore_auth_resp) {
+			wpa_printf(MSG_INFO,
+				   "EVENT_DEAUTH - ignore_auth_resp active!");
+			break;
+		}
+#endif /* CONFIG_TESTING_OPTIONS */
 		wpas_event_deauth(wpa_s,
 				  data ? &data->deauth_info : NULL);
 		break;

wpa_supplicant/wpa_cli.c

@@ -451,7 +451,10 @@ static char ** wpa_cli_complete_set(const char *str, int pos)
 		"tdls_external_control", "osu_dir", "wowlan_triggers",
 		"p2p_search_delay", "mac_addr", "rand_addr_lifetime",
 		"preassoc_mac_addr", "key_mgmt_offload", "passive_scan",
-		"reassoc_same_bss_optim", "wps_priority"
+		"reassoc_same_bss_optim", "wps_priority",
+#ifdef CONFIG_TESTING_OPTIONS
+		"ignore_auth_resp",
+#endif /* CONFIG_TESTING_OPTIONS */
 	};
 	int i, num_fields = ARRAY_SIZE(fields);
 

wpa_supplicant/wpa_supplicant.c

@@ -3377,6 +3377,13 @@ void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 	wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr));
 	wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len);
 
+#ifdef CONFIG_TESTING_OPTIONS
+	if (wpa_s->ignore_auth_resp) {
+		wpa_printf(MSG_INFO, "RX EAPOL - ignore_auth_resp active!");
+		return;
+	}
+#endif /* CONFIG_TESTING_OPTIONS */
+
 #ifdef CONFIG_PEERKEY
 	if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid &&
 	    wpa_s->current_ssid->peerkey &&

wpa_supplicant/wpa_supplicant_i.h

@@ -1024,6 +1024,7 @@ struct wpa_supplicant {
 	unsigned int extra_roc_dur;
 	enum wpa_supplicant_test_failure test_failure;
 	unsigned int p2p_go_csa_on_inv:1;
+	unsigned int ignore_auth_resp:1;
 #endif /* CONFIG_TESTING_OPTIONS */
 
 	struct wmm_ac_assoc_data *wmm_ac_assoc_info;