Add wps_cancel for hostapd_cli

Implement wps_cancel for hostapd similarly to how it was already
supported in wpa_supplicant AP mode.

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

hostapd/ctrl_iface.c

@@ -755,6 +755,9 @@ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
 	} else if (os_strcmp(buf, "WPS_PBC") == 0) {
 		if (hostapd_wps_button_pushed(hapd, NULL))
 			reply_len = -1;
+	} else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
+		if (hostapd_wps_cancel(hapd))
+			reply_len = -1;
 #ifdef CONFIG_WPS_OOB
 	} else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
 		if (hostapd_ctrl_iface_wps_oob(hapd, buf + 8))

hostapd/hostapd_cli.c

@@ -392,6 +392,13 @@ static int hostapd_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc,
 }
 
 
+static int hostapd_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "WPS_CANCEL");
+}
+
+
 #ifdef CONFIG_WPS_OOB
 static int hostapd_cli_cmd_wps_oob(struct wpa_ctrl *ctrl, int argc,
 				   char *argv[])
@@ -719,6 +726,7 @@ static struct hostapd_cli_cmd hostapd_cli_commands[] = {
 	{ "wps_pin", hostapd_cli_cmd_wps_pin },
 	{ "wps_check_pin", hostapd_cli_cmd_wps_check_pin },
 	{ "wps_pbc", hostapd_cli_cmd_wps_pbc },
+	{ "wps_cancel", hostapd_cli_cmd_wps_cancel },
 #ifdef CONFIG_WPS_OOB
 	{ "wps_oob", hostapd_cli_cmd_wps_oob },
 #endif /* CONFIG_WPS_OOB */

src/ap/sta_info.c

@@ -592,6 +592,23 @@ void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 }
 
 
+#ifdef CONFIG_WPS
+int ap_sta_wps_cancel(struct hostapd_data *hapd,
+		      struct sta_info *sta, void *ctx)
+{
+	if (sta && (sta->flags & WLAN_STA_WPS)) {
+		ap_sta_deauthenticate(hapd, sta,
+				      WLAN_REASON_PREV_AUTH_NOT_VALID);
+		wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
+			   __func__, MAC2STR(sta->addr));
+		return 1;
+	}
+
+	return 0;
+}
+#endif /* CONFIG_WPS */
+
+
 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
 		     int old_vlanid)
 {

src/ap/sta_info.h

@@ -156,6 +156,10 @@ void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
 			 u16 reason);
 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 			   u16 reason);
+#ifdef CONFIG_WPS
+int ap_sta_wps_cancel(struct hostapd_data *hapd,
+		      struct sta_info *sta, void *ctx);
+#endif /* CONFIG_WPS */
 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
 		     int old_vlanid);
 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);

src/ap/wps_hostapd.c

@@ -1104,6 +1104,24 @@ int hostapd_wps_button_pushed(struct hostapd_data *hapd,
 }
 
 
+static int wps_cancel(struct hostapd_data *hapd, void *ctx)
+{
+	if (hapd->wps == NULL)
+		return 0;
+
+	wps_registrar_wps_cancel(hapd->wps->registrar);
+	ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL);
+
+	return 0;
+}
+
+
+int hostapd_wps_cancel(struct hostapd_data *hapd)
+{
+	return hostapd_wps_for_each(hapd, wps_cancel, NULL);
+}
+
+
 #ifdef CONFIG_WPS_OOB
 int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
 			  char *path, char *method, char *name)

src/ap/wps_hostapd.h

@@ -20,6 +20,7 @@ int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
 			const char *uuid, const char *pin, int timeout);
 int hostapd_wps_button_pushed(struct hostapd_data *hapd,
 			      const u8 *p2p_dev_addr);
+int hostapd_wps_cancel(struct hostapd_data *hapd);
 int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
 			  char *path, char *method, char *name);
 int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
@@ -67,6 +68,11 @@ static inline int hostapd_wps_button_pushed(struct hostapd_data *hapd,
 	return 0;
 }
 
+static inline int hostapd_wps_cancel(struct hostapd_data *hapd)
+{
+	return 0;
+}
+
 #endif /* CONFIG_WPS */
 
 #endif /* WPS_HOSTAPD_H */

wpa_supplicant/ap.c

@@ -659,21 +659,6 @@ int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 }
 
 
-static int wpa_supplicant_ap_wps_sta_cancel(struct hostapd_data *hapd,
-					    struct sta_info *sta, void *ctx)
-{
-	if (sta && (sta->flags & WLAN_STA_WPS)) {
-		ap_sta_deauthenticate(hapd, sta,
-				      WLAN_REASON_PREV_AUTH_NOT_VALID);
-		wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
-			   __func__, MAC2STR(sta->addr));
-		return 1;
-	}
-
-	return 0;
-}
-
-
 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 {
 	struct wps_registrar *reg;
@@ -685,7 +670,7 @@ int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 	reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 	reg_sel = wps_registrar_wps_cancel(reg);
 	wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
-				  wpa_supplicant_ap_wps_sta_cancel, NULL);
+				  ap_sta_wps_cancel, NULL);
 
 	if (!reg_sel && !wps_sta) {
 		wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "