supplicant: Add API to set WFD IEs

This API allows setting the global WFDIEs property of wpa_supplicant.
Ideally it would be better if this property was per-device, but this is
a limitation of wpa_supplicant.

2 files changed, 67 insertions, 0 deletions

diff --git a/src/supplicant/nm-supplicant-manager.c b/src/supplicant/nm-supplicant-manager.c
index 2af825e43e..5dc66886e7 100644
--- a/src/supplicant/nm-supplicant-manager.c
+++ b/src/supplicant/nm-supplicant-manager.c
@@ -123,6 +123,70 @@ _sup_iface_last_ref (gpointer data,
 	g_object_remove_toggle_ref ((GObject *) sup_iface, _sup_iface_last_ref, self);
 }
 
+static void
+on_supplicant_wfd_ies_set (GObject *source_object,
+                           GAsyncResult *res,
+                           gpointer user_data)
+{
+	gs_unref_variant GVariant *result = NULL;
+	gs_free_error GError *error = NULL;
+
+	result = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source_object), res, &error);
+
+	if (!result)
+		_LOGW ("failed to set WFD IEs on wpa_supplicant: %s", error->message);
+}
+
+/**
+ * nm_supplicant_manager_set_wfd_ies:
+ * @self: the #NMSupplicantManager
+ * @wfd_ies: a #GBytes with the WFD IEs or %NULL
+ *
+ * This function sets the global WFD IEs on wpa_supplicant. Note that
+ * it would make more sense if this was per-device, but wpa_supplicant
+ * simply does not work that way.
+ * */
+void
+nm_supplicant_manager_set_wfd_ies (NMSupplicantManager *self,
+                                   GBytes *wfd_ies)
+{
+	NMSupplicantManagerPrivate *priv;
+	GVariantBuilder params = G_VARIANT_BUILDER_INIT(G_VARIANT_TYPE ("(ssv)"));
+	GVariant *val;
+
+	g_return_if_fail (NM_IS_SUPPLICANT_MANAGER (self));
+
+	priv = NM_SUPPLICANT_MANAGER_GET_PRIVATE (self);
+
+	_LOGD ("setting WFD IEs for P2P operation");
+
+	if (wfd_ies)
+		val = g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE,
+		                                 g_bytes_get_data (wfd_ies, NULL),
+		                                 g_bytes_get_size (wfd_ies),
+		                                 sizeof (guint8));
+	else
+		val = g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE,
+		                                 NULL, 0, sizeof (guint8));
+
+	g_variant_builder_add (&params, "s", g_dbus_proxy_get_interface_name (priv->proxy));
+	g_variant_builder_add (&params, "s", "WFDIEs");
+	g_variant_builder_add_value (&params, g_variant_new_variant (val));
+
+	g_dbus_connection_call (g_dbus_proxy_get_connection (priv->proxy),
+	                        g_dbus_proxy_get_name (priv->proxy),
+	                        g_dbus_proxy_get_object_path (priv->proxy),
+	                        "org.freedesktop.DBus.Properties",
+	                        "Set",
+	                        g_variant_builder_end (&params),
+	                        G_VARIANT_TYPE_UNIT,
+	                        G_DBUS_CALL_FLAGS_NO_AUTO_START,
+	                        1000,
+	                        NULL,
+	                        on_supplicant_wfd_ies_set,
+	                        NULL);
+}
+
 /**
  * nm_supplicant_manager_create_interface:
  * @self: the #NMSupplicantManager
diff --git a/src/supplicant/nm-supplicant-manager.h b/src/supplicant/nm-supplicant-manager.h
index 7225a36b58..058745fbd0 100644
--- a/src/supplicant/nm-supplicant-manager.h
+++ b/src/supplicant/nm-supplicant-manager.h
@@ -38,6 +38,9 @@ GType nm_supplicant_manager_get_type (void);
 
 NMSupplicantManager *nm_supplicant_manager_get (void);
 
+void nm_supplicant_manager_set_wfd_ies (NMSupplicantManager *self,
+                                        GBytes *wfd_ies);
+
 NMSupplicantInterface *nm_supplicant_manager_create_interface (NMSupplicantManager *mgr,
                                                                const char *ifname,
                                                                NMSupplicantDriver driver);