supplicant: enable PMF only when wpa_supplicant supports it

src/supplicant/nm-supplicant-interface.c

@@ -80,6 +80,7 @@ NM_GOBJECT_PROPERTIES_DEFINE (NMSupplicantInterface,
 	PROP_DRIVER,
 	PROP_FAST_SUPPORT,
 	PROP_AP_SUPPORT,
+	PROP_PMF_SUPPORT,
 );
 
 typedef struct {
@@ -88,6 +89,7 @@ typedef struct {
 	gboolean       has_credreq;  /* Whether querying 802.1x credentials is supported */
 	NMSupplicantFeature fast_support;
 	NMSupplicantFeature ap_support;   /* Lightweight AP mode support */
+	NMSupplicantFeature pmf_support;
 	guint32        max_scan_ssids;
 	guint32        ready_count;
 
@@ -587,6 +589,15 @@ nm_supplicant_interface_set_fast_support (NMSupplicantInterface *self,
 	priv->fast_support = fast_support;
 }
 
+void
+nm_supplicant_interface_set_pmf_support (NMSupplicantInterface *self,
+                                         NMSupplicantFeature pmf_support)
+{
+	NMSupplicantInterfacePrivate *priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);
+
+	priv->pmf_support = pmf_support;
+}
+
 static void
 iface_introspect_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data)
 {
@@ -830,7 +841,8 @@ on_iface_proxy_acquired (GDBusProxy *proxy, GAsyncResult *result, gpointer user_
 	                   NULL,
 	                   NULL);
 
-	if (priv->driver == NM_SUPPLICANT_DRIVER_WIRELESS) {
+	if (   priv->pmf_support
+	    && priv->driver == NM_SUPPLICANT_DRIVER_WIRELESS) {
 		g_dbus_proxy_call (priv->iface_proxy,
 		                   DBUS_INTERFACE_PROPERTIES ".Set",
 		                   g_variant_new ("(ssv)",
@@ -1597,6 +1609,10 @@ set_property (GObject *object,
 		/* construct-only */
 		priv->ap_support = g_value_get_int (value);
 		break;
+	case PROP_PMF_SUPPORT:
+		/* construct-only */
+		priv->pmf_support = g_value_get_int (value);
+		break;
 	default:
 		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 		break;
@@ -1616,7 +1632,8 @@ NMSupplicantInterface *
 nm_supplicant_interface_new (const char *ifname,
                              NMSupplicantDriver driver,
                              NMSupplicantFeature fast_support,
-                             NMSupplicantFeature ap_support)
+                             NMSupplicantFeature ap_support,
+                             NMSupplicantFeature pmf_support)
 {
 	g_return_val_if_fail (ifname != NULL, NULL);
 
@@ -1625,6 +1642,7 @@ nm_supplicant_interface_new (const char *ifname,
 	                     NM_SUPPLICANT_INTERFACE_DRIVER, (guint) driver,
 	                     NM_SUPPLICANT_INTERFACE_FAST_SUPPORT, (int) fast_support,
 	                     NM_SUPPLICANT_INTERFACE_AP_SUPPORT, (int) ap_support,
+	                     NM_SUPPLICANT_INTERFACE_PMF_SUPPORT, (int) pmf_support,
 	                     NULL);
 }
 
@@ -1706,6 +1724,14 @@ nm_supplicant_interface_class_init (NMSupplicantInterfaceClass *klass)
 	                      G_PARAM_WRITABLE |
 	                      G_PARAM_CONSTRUCT_ONLY |
 	                      G_PARAM_STATIC_STRINGS);
+	obj_properties[PROP_PMF_SUPPORT] =
+	    g_param_spec_int (NM_SUPPLICANT_INTERFACE_PMF_SUPPORT, "", "",
+	                      NM_SUPPLICANT_FEATURE_UNKNOWN,
+	                      NM_SUPPLICANT_FEATURE_YES,
+	                      NM_SUPPLICANT_FEATURE_UNKNOWN,
+	                      G_PARAM_WRITABLE |
+	                      G_PARAM_CONSTRUCT_ONLY |
+	                      G_PARAM_STATIC_STRINGS);
 
 	g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties);
 

src/supplicant/nm-supplicant-interface.h

@@ -60,6 +60,7 @@ typedef enum {
 #define NM_SUPPLICANT_INTERFACE_DRIVER           "driver"
 #define NM_SUPPLICANT_INTERFACE_FAST_SUPPORT     "fast-support"
 #define NM_SUPPLICANT_INTERFACE_AP_SUPPORT       "ap-support"
+#define NM_SUPPLICANT_INTERFACE_PMF_SUPPORT      "pmf-support"
 
 /* Signals */
 #define NM_SUPPLICANT_INTERFACE_STATE            "state"
@@ -76,7 +77,8 @@ GType nm_supplicant_interface_get_type (void);
 NMSupplicantInterface * nm_supplicant_interface_new (const char *ifname,
                                                      NMSupplicantDriver driver,
                                                      NMSupplicantFeature fast_support,
-                                                     NMSupplicantFeature ap_support);
+                                                     NMSupplicantFeature ap_support,
+                                                     NMSupplicantFeature pmf_support);
 
 void nm_supplicant_interface_set_supplicant_available (NMSupplicantInterface *self,
                                                        gboolean available);
@@ -126,4 +128,6 @@ void nm_supplicant_interface_set_ap_support (NMSupplicantInterface *self,
 void nm_supplicant_interface_set_fast_support (NMSupplicantInterface *self,
                                                NMSupplicantFeature fast_support);
 
+void nm_supplicant_interface_set_pmf_support (NMSupplicantInterface *self,
+                                              NMSupplicantFeature pmf_support);
 #endif /* __NM_SUPPLICANT_INTERFACE_H__ */

src/supplicant/nm-supplicant-manager.c

@@ -39,6 +39,7 @@ typedef struct {
 	GSList          *ifaces;
 	NMSupplicantFeature fast_support;
 	NMSupplicantFeature ap_support;
+	NMSupplicantFeature pmf_support;
 	guint             die_count_reset_id;
 	guint             die_count;
 } NMSupplicantManagerPrivate;
@@ -159,7 +160,8 @@ nm_supplicant_manager_create_interface (NMSupplicantManager *self,
 	iface = nm_supplicant_interface_new (ifname,
 	                                     driver,
 	                                     priv->fast_support,
-	                                     priv->ap_support);
+	                                     priv->ap_support,
+	                                     priv->pmf_support);
 
 	priv->ifaces = g_slist_prepend (priv->ifaces, iface);
 	g_object_add_toggle_ref ((GObject *) iface, _sup_iface_last_ref, self);
@@ -193,28 +195,37 @@ update_capabilities (NMSupplicantManager *self)
 	 * dbus: Add global capabilities property
 	 */
 	priv->ap_support = NM_SUPPLICANT_FEATURE_UNKNOWN;
+	priv->pmf_support = NM_SUPPLICANT_FEATURE_UNKNOWN;
 
 	value = g_dbus_proxy_get_cached_property (priv->proxy, "Capabilities");
 	if (value) {
 		if (g_variant_is_of_type (value, G_VARIANT_TYPE_STRING_ARRAY)) {
 			array = g_variant_get_strv (value, NULL);
 			priv->ap_support = NM_SUPPLICANT_FEATURE_NO;
+			priv->pmf_support = NM_SUPPLICANT_FEATURE_NO;
 			if (array) {
 				if (g_strv_contains (array, "ap"))
 					priv->ap_support = NM_SUPPLICANT_FEATURE_YES;
+				if (g_strv_contains (array, "pmf"))
+					priv->pmf_support = NM_SUPPLICANT_FEATURE_YES;
 				g_free (array);
 			}
 		}
 		g_variant_unref (value);
 	}
 
-	/* Tell all interfaces about results of the AP check */
-	for (ifaces = priv->ifaces; ifaces; ifaces = ifaces->next)
+	/* Tell all interfaces about results of the AP/PMF check */
+	for (ifaces = priv->ifaces; ifaces; ifaces = ifaces->next) {
 		nm_supplicant_interface_set_ap_support (ifaces->data, priv->ap_support);
+		nm_supplicant_interface_set_pmf_support (ifaces->data, priv->pmf_support);
+	}
 
 	_LOGD ("AP mode is %ssupported",
 	       (priv->ap_support == NM_SUPPLICANT_FEATURE_YES) ? "" :
 	           (priv->ap_support == NM_SUPPLICANT_FEATURE_NO) ? "not " : "possibly ");
+	_LOGD ("PMF is %ssupported",
+	       (priv->pmf_support == NM_SUPPLICANT_FEATURE_YES) ? "" :
+	           (priv->pmf_support == NM_SUPPLICANT_FEATURE_NO) ? "not " : "possibly ");
 
 	/* EAP-FAST */
 	priv->fast_support = NM_SUPPLICANT_FEATURE_NO;
@@ -337,6 +348,7 @@ name_owner_cb (GDBusProxy *proxy, GParamSpec *pspec, gpointer user_data)
 
 		priv->ap_support = NM_SUPPLICANT_FEATURE_UNKNOWN;
 		priv->fast_support = NM_SUPPLICANT_FEATURE_UNKNOWN;
+		priv->pmf_support = NM_SUPPLICANT_FEATURE_UNKNOWN;
 
 		set_running (self, FALSE);
 	}