wifi: merge branch 'bg/wifi-pmf-bgo748367'

Support for 802.11w (Protected Management Frames).

https://bugzilla.gnome.org/show_bug.cgi?id=748367

src/supplicant/nm-supplicant-config.c

@@ -1325,3 +1325,31 @@ nm_supplicant_config_add_no_security (NMSupplicantConfig *self, GError **error)
 	return nm_supplicant_config_add_option (self, "key_mgmt", "NONE", -1, NULL, error);
 }
 
+gboolean
+nm_supplicant_config_enable_pmf_akm (NMSupplicantConfig *self, GError **error)
+{
+	NMSupplicantConfigPrivate *priv;
+	ConfigOption *option;
+
+	g_return_val_if_fail (NM_IS_SUPPLICANT_CONFIG (self), FALSE);
+	g_return_val_if_fail (!error || !*error, FALSE);
+
+	priv = NM_SUPPLICANT_CONFIG_GET_PRIVATE (self);
+
+	option = g_hash_table_lookup (priv->config, "key_mgmt");
+	if (!option)
+		return TRUE;
+
+	if (nm_streq0 (option->value, "WPA-PSK")) {
+		g_hash_table_remove (priv->config, "key_mgmt");
+		if (!nm_supplicant_config_add_option (self, "key_mgmt", "WPA-PSK WPA-PSK-SHA256", -1, NULL, error))
+			return FALSE;
+	} else if (nm_streq0 (option->value, "WPA-EAP")) {
+		g_hash_table_remove (priv->config, "key_mgmt");
+		if (!nm_supplicant_config_add_option (self, "key_mgmt", "WPA-EAP WPA-EAP-SHA256", -1, NULL, error))
+			return FALSE;
+	}
+
+	return TRUE;
+}
+

src/supplicant/nm-supplicant-config.h

@@ -76,4 +76,6 @@ gboolean nm_supplicant_config_add_setting_macsec (NMSupplicantConfig *self,
                                                   NMSettingMacsec *setting,
                                                   GError **error);
 
+gboolean nm_supplicant_config_enable_pmf_akm (NMSupplicantConfig *self,
+                                              GError **error);
 #endif /* __NETWORKMANAGER_SUPPLICANT_CONFIG_H__ */

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;
 
@@ -470,6 +472,30 @@ iface_check_ready (NMSupplicantInterface *self)
 	}
 }
 
+static void
+set_pmf_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data)
+{
+	NMSupplicantInterface *self;
+	NMSupplicantInterfacePrivate *priv;
+	gs_unref_variant GVariant *reply = NULL;
+	gs_free_error GError *error = NULL;
+
+	reply = g_dbus_proxy_call_finish (proxy, result, &error);
+	if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+		return;
+
+	self = NM_SUPPLICANT_INTERFACE (user_data);
+	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);
+
+	if (!reply) {
+		g_dbus_error_strip_remote_error (error);
+		_LOGW ("couldn't enable PMF: %s", error->message);
+		return;
+	}
+
+	_LOGD ("PMF enabled");
+}
+
 gboolean
 nm_supplicant_interface_credentials_reply (NMSupplicantInterface *self,
                                            const char *field,
@@ -563,6 +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)
 {
@@ -784,7 +819,7 @@ on_iface_proxy_acquired (GDBusProxy *proxy, GAsyncResult *result, gpointer user_
 
 	/* Scan result aging parameters */
 	g_dbus_proxy_call (priv->iface_proxy,
-	                   "org.freedesktop.DBus.Properties.Set",
+	                   DBUS_INTERFACE_PROPERTIES ".Set",
 	                   g_variant_new ("(ssv)",
 	                                  WPAS_DBUS_IFACE_INTERFACE,
 	                                  "BSSExpireAge",
@@ -795,7 +830,7 @@ on_iface_proxy_acquired (GDBusProxy *proxy, GAsyncResult *result, gpointer user_
 	                   NULL,
 	                   NULL);
 	g_dbus_proxy_call (priv->iface_proxy,
-	                   "org.freedesktop.DBus.Properties.Set",
+	                   DBUS_INTERFACE_PROPERTIES ".Set",
 	                   g_variant_new ("(ssv)",
 	                                  WPAS_DBUS_IFACE_INTERFACE,
 	                                  "BSSExpireCount",
@@ -806,6 +841,21 @@ on_iface_proxy_acquired (GDBusProxy *proxy, GAsyncResult *result, gpointer user_
 	                   NULL,
 	                   NULL);
 
+	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)",
+		                                  WPAS_DBUS_IFACE_INTERFACE,
+		                                  "Pmf",
+		                                  g_variant_new_uint32 (1)),
+		                   G_DBUS_CALL_FLAGS_NONE,
+		                   -1,
+		                   priv->init_cancellable,
+		                   (GAsyncReadyCallback) set_pmf_cb,
+		                   self);
+	}
+
 	/* Check whether NetworkReply and AP mode are supported */
 	priv->ready_count = 1;
 	g_dbus_proxy_call (priv->iface_proxy,
@@ -1374,6 +1424,7 @@ nm_supplicant_interface_assoc (NMSupplicantInterface *self,
 {
 	NMSupplicantInterfacePrivate *priv;
 	AssocData *assoc_data;
+	GError *error = NULL;
 
 	g_return_if_fail (NM_IS_SUPPLICANT_INTERFACE (self));
 	g_return_if_fail (NM_IS_SUPPLICANT_CONFIG (cfg));
@@ -1390,6 +1441,14 @@ nm_supplicant_interface_assoc (NMSupplicantInterface *self,
 	assoc_data->callback = callback;
 	assoc_data->user_data = user_data;
 
+	if (   priv->driver == NM_SUPPLICANT_DRIVER_WIRELESS
+	    && priv->pmf_support == NM_SUPPLICANT_FEATURE_YES) {
+		if (!nm_supplicant_config_enable_pmf_akm (cfg, &error)) {
+			_LOGW ("could not enable PMF AKMs in config: %s", error->message);
+			g_error_free (error);
+		}
+	}
+
 	_LOGD ("assoc[%p]: starting association...", assoc_data);
 
 	/* Make sure the supplicant supports EAP-FAST before trying to send
@@ -1559,6 +1618,10 @@ 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;
@@ -1578,7 +1641,8 @@ 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);
 
@@ -1587,6 +1651,7 @@ 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);
 }
 
@@ -1668,6 +1733,14 @@ 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 */
+	/* Tell all interfaces about results of the AP/PMF check */
-	for (ifaces = priv->ifaces; ifaces; ifaces = ifaces->next)
+	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);
 	}

src/supplicant/nm-supplicant-settings-verify.c

@@ -71,7 +71,9 @@ static const struct validate_entry validate_table[] = {
 const char * pairwise_allowed[] = { "CCMP", "TKIP", "NONE", NULL };
 const char * group_allowed[] =    { "CCMP", "TKIP", "WEP104", "WEP40", NULL };
 const char * proto_allowed[] =    { "WPA", "RSN", NULL };
-const char * key_mgmt_allowed[] = { "WPA-PSK", "WPA-EAP", "IEEE8021X", "WPA-NONE",
+const char * key_mgmt_allowed[] = { "WPA-PSK", "WPA-PSK-SHA256",
+                                    "WPA-EAP", "WPA-EAP-SHA256",
+                                    "IEEE8021X", "WPA-NONE",
                                     "NONE", NULL };
 const char * auth_alg_allowed[] = { "OPEN", "SHARED", "LEAP", NULL };
 const char * eap_allowed[] =      { "LEAP", "MD5", "TLS", "PEAP", "TTLS", "SIM",