>From 4e4a7f4bde92f3ef358615b7ab52b0449cd8a95b Mon Sep 17 00:00:00 2001
From: Mikael Kanstrup <mikael.kanstrup@sonymobile.com>
Date: Wed, 29 Jun 2016 15:36:36 +0200
Subject: [PATCH 3/5] Implement IGNORE_AUTH_RESP control interface debug
 command

Implement IGNORE_AUTH_RESP command to simulate auth/assoc response loss
and eapol rx packet loss by ignoring corresponding incoming events.
---
 wpa_supplicant/ctrl_iface.c       | 15 +++++++++++++++
 wpa_supplicant/events.c           | 10 ++++++++++
 wpa_supplicant/wpa_cli.c          |  7 +++++++
 wpa_supplicant/wpa_supplicant.c   |  5 +++++
 wpa_supplicant/wpa_supplicant_i.h |  2 ++
 5 files changed, 39 insertions(+)

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index e75323d..f8c76c7 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -2102,6 +2102,18 @@ static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
 }
 
 
+static int wpa_supplicant_ctrl_iface_ignore_auth_resp(struct wpa_supplicant *wpa_s,
+					    const char *params,
+					    char *buf, size_t buflen)
+{
+	int enable = atoi(params);
+	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ignore_auth_resp enable=%d", enable);
+	wpa_s->ignore_auth_resp = enable;
+	os_memcpy(buf, "OK\n", 3);
+	return 3;
+}
+
+
 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
 					   char *cmd)
 {
@@ -8689,6 +8701,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 	} else if (os_strncmp(buf, "STATUS", 6) == 0) {
 		reply_len = wpa_supplicant_ctrl_iface_status(
 			wpa_s, buf + 6, reply, reply_size);
+	} else if (os_strncmp(buf, "IGNORE_AUTH_RESP", 16) == 0) {
+		reply_len = wpa_supplicant_ctrl_iface_ignore_auth_resp(
+			wpa_s, buf + 16, reply, reply_size);
 	} else if (os_strcmp(buf, "PMKSA") == 0) {
 		reply_len = wpas_ctrl_iface_pmksa(wpa_s, reply, reply_size);
 	} else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index b7a3bc0..d5dc1a7 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -3431,6 +3431,11 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 		sme_event_auth(wpa_s, data);
 		break;
 	case EVENT_ASSOC:
+		if (wpa_s->ignore_auth_resp) {
+			wpa_printf(MSG_INFO,
+				   "EVENT_ASSOC - ignore_auth_resp active!");
+			break;
+		}
 		wpa_supplicant_event_assoc(wpa_s, data);
 		if (data && data->assoc_info.authorized)
 			wpa_supplicant_event_assoc_auth(wpa_s, data);
@@ -3445,6 +3450,11 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 				    data ? &data->disassoc_info : NULL);
 		break;
 	case EVENT_DEAUTH:
+		if (wpa_s->ignore_auth_resp) {
+			wpa_printf(MSG_INFO,
+				   "EVENT_DEAUTH - ignore_auth_resp active!");
+			break;
+		}
 		wpas_event_deauth(wpa_s,
 				  data ? &data->deauth_info : NULL);
 		break;
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index 53036ae..82c8e44 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -525,6 +525,10 @@ static int wpa_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
 	return wpa_ctrl_command(ctrl, "STATUS");
 }
 
+static int wpa_cli_cmd_ignore_auth_resp(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_cli_cmd(ctrl, "IGNORE_AUTH_RESP", 1, argc, argv);
+}
 
 static int wpa_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[])
 {
@@ -3477,6 +3481,9 @@ static const struct wpa_cli_cmd wpa_cli_commands[] = {
 	{ "get_pref_freq_list", wpa_cli_cmd_get_pref_freq_list, NULL,
 	  cli_cmd_flag_none,
 	  "<interface type> = retrieve preferred freq list for the specified interface type" },
+	{ "ignore_auth_resp", wpa_cli_cmd_ignore_auth_resp, NULL,
+	  cli_cmd_flag_none,
+	  "<0|1> ignore received auth/assoc response and rx eapol packets" },
 	{ NULL, NULL, NULL, cli_cmd_flag_none, NULL }
 };
 
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 70dc07b..57881e8 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -3266,6 +3266,11 @@ 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);
 
+	if (wpa_s->ignore_auth_resp) {
+		wpa_printf(MSG_INFO, "RX EAPOL - ignore_auth_resp active!");
+		return;
+	}
+
 #ifdef CONFIG_PEERKEY
 	if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid &&
 	    wpa_s->current_ssid->peerkey &&
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index e45f662..0a4c6e9 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -1065,6 +1065,8 @@ struct wpa_supplicant {
 	 */
 	struct wpabuf *lci;
 	struct os_reltime lci_time;
+
+	int ignore_auth_resp;
 };
 
 
-- 
2.4.2