WPS: Limit Probe Request event queuing if subscriber may have left

[libeap.git] / src / wps / wps_upnp.c

diff --git a/src/wps/wps_upnp.c b/src/wps/wps_upnp.c
index 4c0a5c1..410df46 100644 (file)
--- a/src/wps/wps_upnp.c
+++ b/src/wps/wps_upnp.c
@@ -499,7 +499,8 @@ static void upnp_wps_device_send_event(struct upnp_wps_device_sm *sm)
 
        dl_list_for_each_safe(s, tmp, &sm->subscriptions, struct subscription,
                              list) {
-               if (event_add(s, buf) == 1) {
+               if (event_add(s, buf, sm->wlanevent_type ==
+                             UPNP_WPS_WLANEVENT_TYPE_PROBE) == 1) {
                        wpa_printf(MSG_INFO, "WPS UPnP: Dropping "
                                   "subscriber %p due to event backlog", s);
                        dl_list_del(&s->list);
@@ -650,7 +651,7 @@ static int subscription_first_event(struct subscription *s)
                wpabuf_put_property(buf, "WLANEvent", wlan_event);
        wpabuf_put_str(buf, tail);
 
-       ret = event_add(s, buf);
+       ret = event_add(s, buf, 0);
        if (ret) {
                wpabuf_free(buf);
                return ret;
@@ -798,6 +799,7 @@ int upnp_wps_device_send_wlan_event(struct upnp_wps_device_sm *sm,
 
        os_free(sm->wlanevent);
        sm->wlanevent = val;
+       sm->wlanevent_type = ev_type;
        upnp_wps_device_send_event(sm);
 
        ret = 0;