From 99650cadc9012deade57775c46a4b3df64a9dd6b Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Sun, 8 Feb 2015 12:16:13 +0200
Subject: [PATCH] Add STOP_AP control interface command

This is mainly for testing purposes to allow beaconing to be stopped
without clearing AP state in hostapd.

Signed-off-by: Jouni Malinen <j@w1.fi>
---
 hostapd/ctrl_iface.c        |  3 +++
 src/ap/ap_drv_ops.h         |  7 +++++++
 src/ap/ctrl_iface_ap.c      |  6 ++++++
 src/ap/ctrl_iface_ap.h      |  2 +-
 wpa_supplicant/ap.c         | 11 +++++++++++
 wpa_supplicant/ap.h         |  2 ++
 wpa_supplicant/ctrl_iface.c |  3 +++
 7 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index 54b17dc93..7d97484a1 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -1955,6 +1955,9 @@ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
 	} else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
 		if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
 			reply_len = -1;
+	} else if (os_strcmp(buf, "STOP_AP") == 0) {
+		if (hostapd_ctrl_iface_stop_ap(hapd))
+			reply_len = -1;
 #ifdef CONFIG_IEEE80211W
 #ifdef NEED_AP_MLME
 	} else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
diff --git a/src/ap/ap_drv_ops.h b/src/ap/ap_drv_ops.h
index c133be754..1c8069506 100644
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -335,4 +335,11 @@ static inline int hostapd_drv_vendor_cmd(struct hostapd_data *hapd,
 					data_len, buf);
 }
 
+static inline int hostapd_drv_stop_ap(struct hostapd_data *hapd)
+{
+	if (hapd->driver == NULL || hapd->driver->stop_ap == NULL)
+		return 0;
+	return hapd->driver->stop_ap(hapd->drv_priv);
+}
+
 #endif /* AP_DRV_OPS */
diff --git a/src/ap/ctrl_iface_ap.c b/src/ap/ctrl_iface_ap.c
index 8c84e3ef1..41ab98827 100644
--- a/src/ap/ctrl_iface_ap.c
+++ b/src/ap/ctrl_iface_ap.c
@@ -537,3 +537,9 @@ int hostapd_parse_csa_settings(const char *pos,
 
 	return 0;
 }
+
+
+int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd)
+{
+	return hostapd_drv_stop_ap(hapd);
+}
diff --git a/src/ap/ctrl_iface_ap.h b/src/ap/ctrl_iface_ap.h
index ee58b4c96..e5297d03e 100644
--- a/src/ap/ctrl_iface_ap.h
+++ b/src/ap/ctrl_iface_ap.h
@@ -23,6 +23,6 @@ int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
 			      size_t buflen);
 int hostapd_parse_csa_settings(const char *pos,
 			       struct csa_settings *settings);
-
+int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd);
 
 #endif /* CTRL_IFACE_AP_H */
diff --git a/wpa_supplicant/ap.c b/wpa_supplicant/ap.c
index 65532e3cb..fca2137c6 100644
--- a/wpa_supplicant/ap.c
+++ b/wpa_supplicant/ap.c
@@ -1238,3 +1238,14 @@ int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
 					      pw ? wpabuf_len(pw) : 0, 1);
 }
 #endif /* CONFIG_WPS_NFC */
+
+
+int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
+{
+	struct hostapd_data *hapd;
+
+	if (!wpa_s->ap_iface)
+		return -1;
+	hapd = wpa_s->ap_iface->bss[0];
+	return hostapd_ctrl_iface_stop_ap(hapd);
+}
diff --git a/wpa_supplicant/ap.h b/wpa_supplicant/ap.h
index 4d80c7a7c..6a1183424 100644
--- a/wpa_supplicant/ap.h
+++ b/wpa_supplicant/ap.h
@@ -80,4 +80,6 @@ void wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
 			       struct wpa_ssid *ssid,
 			       struct hostapd_config *conf);
 
+int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s);
+
 #endif /* AP_H */
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 7a77a7f19..c4a457748 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -8278,6 +8278,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 	} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
 		if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
 			reply_len = -1;
+	} else if (os_strcmp(buf, "STOP_AP") == 0) {
+		if (wpas_ap_stop_ap(wpa_s))
+			reply_len = -1;
 #endif /* CONFIG_AP */
 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
 		wpas_notify_suspend(wpa_s->global);