driver: Add a stub implementation of the Containers1 interface

For now, this is considered to be a privileged operation, because the
resource-limiting isn't wired up yet. It only contains the bare minimum
of API.

Signed-off-by: Simon McVittie <smcv@collabora.com>
Reviewed-by: Philip Withnall <withnall@endlessm.com>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=101354

1 files changed, 55 insertions, 0 deletions

diff --git a/bus/containers.c b/bus/containers.c
new file mode 100644
index 00000000..e8935490
--- /dev/null
+++ b/bus/containers.c
@@ -0,0 +1,55 @@
+/* containers.c - restricted bus servers for containers
+ *
+ * Copyright © 2017 Collabora Ltd.
+ *
+ * Licensed under the Academic Free License version 2.1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <config.h>
+#include "containers.h"
+
+#ifdef DBUS_ENABLE_CONTAINERS
+
+#ifndef DBUS_UNIX
+# error DBUS_ENABLE_CONTAINERS requires DBUS_UNIX
+#endif
+
+dbus_bool_t
+bus_containers_handle_add_server (DBusConnection *connection,
+                                  BusTransaction *transaction,
+                                  DBusMessage    *message,
+                                  DBusError      *error)
+{
+  dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, "Not yet implemented");
+  return FALSE;
+}
+
+dbus_bool_t
+bus_containers_supported_arguments_getter (BusContext *context,
+                                           DBusMessageIter *var_iter)
+{
+  DBusMessageIter arr_iter;
+
+  /* There are none so far */
+  return dbus_message_iter_open_container (var_iter, DBUS_TYPE_ARRAY,
+                                           DBUS_TYPE_STRING_AS_STRING,
+                                           &arr_iter) &&
+         dbus_message_iter_close_container (var_iter, &arr_iter);
+}
+
+#endif /* DBUS_ENABLE_CONTAINERS */