[daemon-dev][daemon-fix] starting services by direct message (autostart) and some...
[platform/upstream/dbus.git] / bus / driver.c
index a99d651..a664517 100644 (file)
@@ -1,10 +1,11 @@
-/* -*- mode: C; c-file-style: "gnu" -*- */
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
 /* driver.c  Bus client (driver)
  *
- * Copyright (C) 2003  CodeFactory AB
+ * Copyright (C) 2003 CodeFactory AB
+ * Copyright (C) 2003, 2004, 2005 Red Hat, Inc.
+ *
+ * Licensed under the Academic Free License version 2.1
  *
- * Licensed under the Academic Free License version 1.2
- * 
  * 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
  * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
 
+#include <config.h>
+#include "activation.h"
 #include "connection.h"
 #include "driver.h"
 #include "dispatch.h"
 #include "services.h"
+#include "selinux.h"
+#include "signals.h"
+#include "stats.h"
+#include "utils.h"
+
+#include <dbus/dbus-asv-util.h>
 #include <dbus/dbus-string.h>
 #include <dbus/dbus-internals.h>
+#include <dbus/dbus-message.h>
+#include <dbus/dbus-marshal-recursive.h>
 #include <string.h>
 
-static void bus_driver_send_welcome_message (DBusConnection *connection,
-                                            DBusMessage    *hello_message);
+#include "kdbus-d.h"
+#include <stdio.h>
+#include <errno.h>
+#include <limits.h>
 
-void
-bus_driver_send_service_deleted (const char *service_name)
+static DBusConnection *
+bus_driver_get_conn_helper (DBusConnection  *connection,
+                            DBusMessage     *message,
+                            const char      *what_we_want,
+                            const char     **name_p,
+                            DBusError       *error)
 {
-  DBusMessage *message;
+  const char *name;
+  BusRegistry *registry;
+  BusService *serv;
+  DBusString str;
+  DBusConnection *conn;
+
+  if (!dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &name,
+                              DBUS_TYPE_INVALID))
+    return NULL;
+
+  _dbus_assert (name != NULL);
+  _dbus_verbose ("asked for %s of connection %s\n", what_we_want, name);
+
+  registry = bus_connection_get_registry (connection);
+  _dbus_string_init_const (&str, name);
+  serv = bus_registry_lookup (registry, &str);
+
+  if (serv == NULL)
+    {
+      dbus_set_error (error, DBUS_ERROR_NAME_HAS_NO_OWNER,
+                      "Could not get %s of name '%s': no such name",
+                      what_we_want, name);
+      return NULL;
+    }
+
+  conn = bus_service_get_primary_owners_connection (serv);
+  _dbus_assert (conn != NULL);
 
-  _dbus_verbose ("sending service deleted: %s\n", service_name);
-  
-  _DBUS_HANDLE_OOM (message = dbus_message_new (DBUS_SERVICE_BROADCAST,
-                                               DBUS_MESSAGE_SERVICE_DELETED));
-  
-  _DBUS_HANDLE_OOM (dbus_message_set_sender (message, DBUS_SERVICE_DBUS));
-
-  _DBUS_HANDLE_OOM (dbus_message_append_fields (message,
-                                               DBUS_TYPE_STRING, service_name,
-                                               0));
-  bus_dispatch_broadcast_message (message);
-  dbus_message_unref (message);  
+  if (name_p != NULL)
+    *name_p = name;
+
+  return conn;
 }
 
-static void
-bus_driver_send_service_created (const char *service_name)
+static dbus_bool_t bus_driver_send_welcome_message (DBusConnection *connection,
+                                                    DBusMessage    *hello_message,
+                                                    BusTransaction *transaction,
+                                                    DBusError      *error);
+
+dbus_bool_t
+bus_driver_send_service_owner_changed (const char     *service_name,
+                                      const char     *old_owner,
+                                      const char     *new_owner,
+                                      BusTransaction *transaction,
+                                      DBusError      *error)
 {
   DBusMessage *message;
+  dbus_bool_t retval;
+  const char *null_service;
 
-  _DBUS_HANDLE_OOM (message = dbus_message_new (DBUS_SERVICE_BROADCAST,
-                                               DBUS_MESSAGE_SERVICE_CREATED));
-  
-  _DBUS_HANDLE_OOM (dbus_message_set_sender (message, DBUS_SERVICE_DBUS));
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+         return TRUE;
 
-  _DBUS_HANDLE_OOM (dbus_message_append_fields (message,
-                                               DBUS_TYPE_STRING, service_name,
-                                               0));
-  bus_dispatch_broadcast_message (message);
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  null_service = "";
+  _dbus_verbose ("sending name owner changed: %s [%s -> %s]\n",
+                 service_name,
+                 old_owner ? old_owner : null_service,
+                 new_owner ? new_owner : null_service);
+
+  message = dbus_message_new_signal (DBUS_PATH_DBUS,
+                                     DBUS_INTERFACE_DBUS,
+                                     "NameOwnerChanged");
+
+  if (message == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!dbus_message_set_sender (message, DBUS_SERVICE_DBUS))
+    goto oom;
+
+  if (!dbus_message_append_args (message,
+                                 DBUS_TYPE_STRING, &service_name,
+                                 DBUS_TYPE_STRING, old_owner ? &old_owner : &null_service,
+                                 DBUS_TYPE_STRING, new_owner ? &new_owner : &null_service,
+                                 DBUS_TYPE_INVALID))
+    goto oom;
+
+  _dbus_assert (dbus_message_has_signature (message, "sss"));
+
+  retval = bus_dispatch_matches (transaction, NULL, NULL, message, error);
+  dbus_message_unref (message);
+
+  return retval;
+
+ oom:
   dbus_message_unref (message);
+  BUS_SET_OOM (error);
+  return FALSE;
 }
 
-void
+dbus_bool_t
 bus_driver_send_service_lost (DBusConnection *connection,
-                             const char *service_name)
+                             const char     *service_name,
+                              BusTransaction *transaction,
+                              DBusError      *error)
 {
   DBusMessage *message;
 
-  _DBUS_HANDLE_OOM (message = dbus_message_new (DBUS_SERVICE_BROADCAST,
-                                               DBUS_MESSAGE_SERVICE_LOST));
-  
-  _DBUS_HANDLE_OOM (dbus_message_set_sender (message, DBUS_SERVICE_DBUS));
-  _DBUS_HANDLE_OOM (dbus_message_append_fields (message,
-                                               DBUS_TYPE_STRING, service_name,
-                                               0));
-  _DBUS_HANDLE_OOM (dbus_connection_send_message (connection, message, NULL, NULL));
-  
-  dbus_message_unref (message);
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+         return TRUE;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  message = dbus_message_new_signal (DBUS_PATH_DBUS,
+                                     DBUS_INTERFACE_DBUS,
+                                     "NameLost");
+
+  if (message == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!dbus_message_set_destination (message, bus_connection_get_name (connection)) ||
+      !dbus_message_append_args (message,
+                                 DBUS_TYPE_STRING, &service_name,
+                                 DBUS_TYPE_INVALID))
+    {
+      dbus_message_unref (message);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!bus_transaction_send_from_driver (transaction, connection, message))
+    {
+      dbus_message_unref (message);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+  else
+    {
+      dbus_message_unref (message);
+      return TRUE;
+    }
 }
 
-void
+dbus_bool_t
 bus_driver_send_service_acquired (DBusConnection *connection,
-                                 const char *service_name)
+                                  const char     *service_name,
+                                  BusTransaction *transaction,
+                                  DBusError      *error)
 {
   DBusMessage *message;
 
-  _DBUS_HANDLE_OOM (message = dbus_message_new (DBUS_SERVICE_BROADCAST,
-                                               DBUS_MESSAGE_SERVICE_ACQUIRED));
-  
-  _DBUS_HANDLE_OOM (dbus_message_set_sender (message, DBUS_SERVICE_DBUS));
-  _DBUS_HANDLE_OOM (dbus_message_append_fields (message,
-                                               DBUS_TYPE_STRING, service_name,
-                                               0));
-  _DBUS_HANDLE_OOM (dbus_connection_send_message (connection, message, NULL, NULL));
-  
-  dbus_message_unref (message);
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+         return TRUE;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  message = dbus_message_new_signal (DBUS_PATH_DBUS,
+                                     DBUS_INTERFACE_DBUS,
+                                     "NameAcquired");
+
+  if (message == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!dbus_message_set_destination (message, bus_connection_get_name (connection)) ||
+      !dbus_message_append_args (message,
+                                 DBUS_TYPE_STRING, &service_name,
+                                 DBUS_TYPE_INVALID))
+    {
+      dbus_message_unref (message);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!bus_transaction_send_from_driver (transaction, connection, message))
+    {
+      dbus_message_unref (message);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+  else
+    {
+      dbus_message_unref (message);
+      return TRUE;
+    }
 }
 
 static dbus_bool_t
-create_unique_client_name (DBusString *str)
+create_unique_client_name (BusRegistry *registry,
+                           DBusString  *str)
 {
   /* We never want to use the same unique client name twice, because
    * we want to guarantee that if you send a message to a given unique
@@ -113,12 +249,13 @@ create_unique_client_name (DBusString *str)
    * for INT_MAX * INT_MAX combinations, should be pretty safe against
    * wraparound.
    */
+  /* FIXME these should be in BusRegistry rather than static vars */
   static int next_major_number = 0;
   static int next_minor_number = 0;
   int len;
 
   len = _dbus_string_get_length (str);
-  
+
   while (TRUE)
     {
       /* start out with 1-0, go to 1-1, 1-2, 1-3,
@@ -136,23 +273,23 @@ create_unique_client_name (DBusString *str)
       _dbus_assert (next_minor_number >= 0);
 
       /* appname:MAJOR-MINOR */
-      
+
       if (!_dbus_string_append (str, ":"))
         return FALSE;
-      
+
       if (!_dbus_string_append_int (str, next_major_number))
         return FALSE;
 
-      if (!_dbus_string_append (str, "-"))
+      if (!_dbus_string_append (str, "."))
         return FALSE;
-      
+
       if (!_dbus_string_append_int (str, next_minor_number))
         return FALSE;
 
       next_minor_number += 1;
-      
+
       /* Check if a client with the name exists */
-      if (bus_service_lookup (str, FALSE) == NULL)
+      if (bus_registry_lookup (registry, str) == NULL)
        break;
 
       /* drop the number again, try the next one. */
@@ -162,243 +299,1926 @@ create_unique_client_name (DBusString *str)
   return TRUE;
 }
 
-static void
+static dbus_bool_t
 bus_driver_handle_hello (DBusConnection *connection,
-                        DBusMessage    *message)
+                         BusTransaction *transaction,
+                         DBusMessage    *message,
+                         DBusError      *error)
 {
   DBusString unique_name;
   BusService *service;
-  
-  _DBUS_HANDLE_OOM (_dbus_string_init (&unique_name, _DBUS_INT_MAX));
-  _DBUS_HANDLE_OOM (create_unique_client_name (&unique_name));
-  
+  dbus_bool_t retval;
+  BusRegistry *registry;
+  BusConnections *connections;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  if (bus_connection_is_active (connection))
+    {
+      /* We already handled an Hello message for this connection. */
+      dbus_set_error (error, DBUS_ERROR_FAILED,
+                      "Already handled an Hello message");
+      return FALSE;
+    }
+
+  /* Note that when these limits are exceeded we don't disconnect the
+   * connection; we just sort of leave it hanging there until it times
+   * out or disconnects itself or is dropped due to the max number of
+   * incomplete connections. It's even OK if the connection wants to
+   * retry the hello message, we support that.
+   */
+  connections = bus_connection_get_connections (connection);
+  if (!bus_connections_check_limits (connections, connection,
+                                     error))
+    {
+      _DBUS_ASSERT_ERROR_IS_SET (error);
+      return FALSE;
+    }
+
+  if (!_dbus_string_init (&unique_name))
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  retval = FALSE;
+
+  registry = bus_connection_get_registry (connection);
+
+  if (!create_unique_client_name (registry, &unique_name))
+    {
+      BUS_SET_OOM (error);
+      goto out_0;
+    }
+
+  if (!bus_connection_complete (connection, &unique_name, error))
+    {
+      _DBUS_ASSERT_ERROR_IS_SET (error);
+      goto out_0;
+    }
+
+  if (!dbus_message_set_sender (message,
+                                bus_connection_get_name (connection)))
+    {
+      BUS_SET_OOM (error);
+      goto out_0;
+    }
+
+  if (!bus_driver_send_welcome_message (connection, message, transaction, error))
+    goto out_0;
+
   /* Create the service */
-  _DBUS_HANDLE_OOM (service = bus_service_lookup (&unique_name, TRUE));
-  bus_service_set_prohibit_replacement (service, TRUE);
-  
-  /* Add the connection as the owner */
-  _DBUS_HANDLE_OOM (bus_service_add_owner (service, connection));
-  _DBUS_HANDLE_OOM (bus_connection_set_name (connection, &unique_name));
-
-  _DBUS_HANDLE_OOM (dbus_message_set_sender (message,
-                                            bus_connection_get_name (connection)));
-  
-  _dbus_string_free (&unique_name);
+  service = bus_registry_ensure (registry,
+                                 &unique_name, connection, 0, transaction, error);
+  if (service == NULL)
+    goto out_0;
 
-  _DBUS_HANDLE_OOM (bus_driver_send_welcome_message (connection, message));
+  _dbus_assert (bus_connection_is_active (connection));
+  retval = TRUE;
 
-  /* Broadcast a service created message */
-  bus_driver_send_service_created (bus_service_get_name (service));
+ out_0:
+  _dbus_string_free (&unique_name);
+  return retval;
 }
 
-static void
+static dbus_bool_t
 bus_driver_send_welcome_message (DBusConnection *connection,
-                                DBusMessage    *hello_message)
+                                 DBusMessage    *hello_message,
+                                 BusTransaction *transaction,
+                                 DBusError      *error)
 {
   DBusMessage *welcome;
   const char *name;
-  
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
   name = bus_connection_get_name (connection);
   _dbus_assert (name != NULL);
-  
-  _DBUS_HANDLE_OOM (welcome = dbus_message_new_reply (DBUS_MESSAGE_HELLO,
-                                                     hello_message));
-  
-  _DBUS_HANDLE_OOM (dbus_message_set_sender (welcome, DBUS_SERVICE_DBUS));
-  
-  _DBUS_HANDLE_OOM (dbus_message_append_fields (welcome,
-                                               DBUS_TYPE_STRING, name,
-                                               NULL));
-  
-  _DBUS_HANDLE_OOM (dbus_connection_send_message (connection, welcome, NULL, NULL));
-
-  dbus_message_unref (welcome);
+
+  welcome = dbus_message_new_method_return (hello_message);
+  if (welcome == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!dbus_message_append_args (welcome,
+                                 DBUS_TYPE_STRING, &name,
+                                 DBUS_TYPE_INVALID))
+    {
+      dbus_message_unref (welcome);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  _dbus_assert (dbus_message_has_signature (welcome, DBUS_TYPE_STRING_AS_STRING));
+
+  if (!bus_transaction_send_from_driver (transaction, connection, welcome))
+    {
+      dbus_message_unref (welcome);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+  else
+    {
+      dbus_message_unref (welcome);
+      return TRUE;
+    }
 }
 
-static void
+static dbus_bool_t
 bus_driver_handle_list_services (DBusConnection *connection,
-                                DBusMessage    *message)
+                                 BusTransaction *transaction,
+                                 DBusMessage    *message,
+                                 DBusError      *error)
 {
   DBusMessage *reply;
-  int len, i;
+  int len;
   char **services;
+  BusRegistry *registry;
+  int i;
+  DBusMessageIter iter;
+  DBusMessageIter sub;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  registry = bus_connection_get_registry (connection);
 
-  _DBUS_HANDLE_OOM (reply = dbus_message_new_reply (DBUS_MESSAGE_LIST_SERVICES, message));
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
 
-  _DBUS_HANDLE_OOM (services = bus_services_list (&len));
 
-  _DBUS_HANDLE_OOM (dbus_message_append_fields (reply,
-                                               DBUS_TYPE_STRING_ARRAY, services, len,
-                                               0));
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         if(!kdbus_list_services (connection, &services, &len))
+           {
+             dbus_message_unref (reply);
+             BUS_SET_OOM (error);
+             return FALSE;
+           }
+  }
+  else
+  if (!bus_registry_list_services (registry, &services, &len))
+    {
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
 
-  _DBUS_HANDLE_OOM (dbus_connection_send_message (connection, reply, NULL, NULL));
+  dbus_message_iter_init_append (reply, &iter);
 
-  dbus_message_unref (reply);
+  if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
+                                         DBUS_TYPE_STRING_AS_STRING,
+                                         &sub))
+    {
+      dbus_free_string_array (services);
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if(!bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+    /* Include the bus driver in the list */
+    const char *v_STRING = DBUS_SERVICE_DBUS;
+    if (!dbus_message_iter_append_basic (&sub, DBUS_TYPE_STRING,
+                                         &v_STRING))
+      {
+        dbus_free_string_array (services);
+        dbus_message_unref (reply);
+        BUS_SET_OOM (error);
+        return FALSE;
+      }
+  }
+
+  i = 0;
+  while (i < len)
+    {
+      if (!dbus_message_iter_append_basic (&sub, DBUS_TYPE_STRING,
+                                           &services[i]))
+        {
+          dbus_free_string_array (services);
+          dbus_message_unref (reply);
+          BUS_SET_OOM (error);
+          return FALSE;
+        }
+      ++i;
+    }
+
+  dbus_free_string_array (services);
+
+  if (!dbus_message_iter_close_container (&iter, &sub))
+    {
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
 
-  if (services != NULL)
+  if (!bus_transaction_send_from_driver (transaction, connection, reply))
+    {
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+  else
     {
-      for (i = 0; i < len; i++)
-        dbus_free (services[i]);
-      dbus_free (services);
+      dbus_message_unref (reply);
+      return TRUE;
     }
 }
 
-static void
-bus_driver_handle_own_service (DBusConnection *connection,
-                              DBusMessage    *message)
+static dbus_bool_t
+bus_driver_handle_list_activatable_services (DBusConnection *connection,
+                                            BusTransaction *transaction,
+                                            DBusMessage    *message,
+                                            DBusError      *error)
 {
   DBusMessage *reply;
-  DBusResultCode result;
-  DBusString service_name;
-  BusService *service;  
-  char *name;
-  int service_reply;
-  int flags;
-  
-  _DBUS_HANDLE_OOM ((result = dbus_message_get_fields (message,
-                                                      DBUS_TYPE_STRING, &name,
-                                                      DBUS_TYPE_UINT32, &flags,
-                                                      0)) != DBUS_RESULT_NO_MEMORY);
-  
-  if (result != DBUS_RESULT_SUCCESS)
+  int len;
+  char **services;
+  BusActivation *activation;
+  int i;
+  DBusMessageIter iter;
+  DBusMessageIter sub;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  activation = bus_connection_get_activation (connection);
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!bus_activation_list_services (activation, &services, &len))
     {
-      dbus_free (name);
-      dbus_connection_disconnect (connection);
-      return;
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
     }
 
-  _dbus_verbose ("Trying to own service %s with flags %d\n", name, flags);
+  dbus_message_iter_init_append (reply, &iter);
 
-  _dbus_string_init_const (&service_name, name);
-  service = bus_service_lookup (&service_name, TRUE);
+  if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
+                                        DBUS_TYPE_STRING_AS_STRING,
+                                        &sub))
+    {
+      dbus_free_string_array (services);
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
 
-  _DBUS_HANDLE_OOM ((reply = dbus_message_new_reply (DBUS_MESSAGE_ACQUIRE_SERVICE, message)));
-  
-  /*
-   * Check if the service already has an owner
-   */
-  if (bus_service_get_primary_owner (service) != NULL)
+  {
+    /* Include the bus driver in the list */
+    const char *v_STRING = DBUS_SERVICE_DBUS;
+    if (!dbus_message_iter_append_basic (&sub, DBUS_TYPE_STRING,
+                                        &v_STRING))
+      {
+       dbus_free_string_array (services);
+       dbus_message_unref (reply);
+       BUS_SET_OOM (error);
+       return FALSE;
+      }
+  }
+
+  i = 0;
+  while (i < len)
     {
-      if (bus_service_has_owner (service, connection))
-       service_reply = DBUS_SERVICE_REPLY_ALREADY_OWNER;
-      else if (!(flags & DBUS_SERVICE_FLAG_REPLACE_EXISTING))
-       service_reply = DBUS_SERVICE_REPLY_SERVICE_EXISTS;
-      else
+      if (!dbus_message_iter_append_basic (&sub, DBUS_TYPE_STRING,
+                                          &services[i]))
        {
-         if (bus_service_get_prohibit_replacement (service))
-           {
-             
-             /* Queue the connection */
-             _DBUS_HANDLE_OOM (bus_service_add_owner (service, connection));
-             
-             service_reply = DBUS_SERVICE_REPLY_IN_QUEUE;
-           }
-         else
-           {
-             DBusConnection *owner;
-             
-             /* We can replace the primary owner */
-             owner = bus_service_get_primary_owner (service);
-
-             /* We enqueue the new owner and remove the first one because
-              * that will cause ServiceAcquired and ServiceLost messages to
-              * be sent.
-              */
-             _DBUS_HANDLE_OOM (bus_service_add_owner (service, connection));
-             bus_service_remove_owner (service, owner);
-             _dbus_assert (connection == bus_service_get_primary_owner (service));
-             service_reply = DBUS_SERVICE_REPLY_PRIMARY_OWNER;
-           }
+         dbus_free_string_array (services);
+         dbus_message_unref (reply);
+         BUS_SET_OOM (error);
+         return FALSE;
        }
+      ++i;
+    }
+
+  dbus_free_string_array (services);
+
+  if (!dbus_message_iter_close_container (&iter, &sub))
+    {
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!bus_transaction_send_from_driver (transaction, connection, reply))
+    {
+      dbus_message_unref (reply);
+      BUS_SET_OOM (error);
+      return FALSE;
     }
   else
     {
-      bus_service_set_prohibit_replacement (service,
-                                           (flags & DBUS_SERVICE_FLAG_PROHIBIT_REPLACEMENT));
-      
-      /* Broadcast service created message */
-      bus_driver_send_service_created (bus_service_get_name (service));
-      
-      _DBUS_HANDLE_OOM (bus_service_add_owner (service, connection));
-                       
-      service_reply = DBUS_SERVICE_REPLY_PRIMARY_OWNER;
+      dbus_message_unref (reply);
+      return TRUE;
     }
+}
+
+static dbus_bool_t
+bus_driver_handle_acquire_service (DBusConnection *connection,
+                                   BusTransaction *transaction,
+                                   DBusMessage    *message,
+                                   DBusError      *error)
+{
+  DBusMessage *reply;
+  DBusString service_name;
+  const char *name;
+  dbus_uint32_t service_reply;
+  dbus_uint32_t flags;
+  dbus_bool_t retval;
+  BusRegistry *registry;
 
-  _DBUS_HANDLE_OOM (dbus_message_append_fields (reply, DBUS_TYPE_UINT32, service_reply, 0));
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
 
-  /* Send service reply */
-  _DBUS_HANDLE_OOM (dbus_connection_send_message (connection, reply, NULL, NULL));
-  dbus_free (name);
-  dbus_message_unref (reply);
+  registry = bus_connection_get_registry (connection);
+
+  if (!dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &name,
+                              DBUS_TYPE_UINT32, &flags,
+                              DBUS_TYPE_INVALID))
+    return FALSE;
+
+  _dbus_verbose ("Trying to own name %s with flags 0x%x\n", name, flags);
+
+  retval = FALSE;
+  reply = NULL;
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         if (!bus_registry_acquire_kdbus_service (registry, connection,
+                                                                                message,
+                                            &service_reply, transaction,
+                                            error))
+           goto out;
+  }
+  else
+  {
+         _dbus_string_init_const (&service_name, name);
+
+         if (!bus_registry_acquire_service (registry, connection,
+                                            &service_name, flags,
+                                            &service_reply, transaction,
+                                            error))
+           goto out;
+
+  }
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  if (!dbus_message_append_args (reply, DBUS_TYPE_UINT32, &service_reply, DBUS_TYPE_INVALID))
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+ _dbus_verbose ("Reply sender: %s, destination: %s\n", dbus_message_get_sender(reply), dbus_message_get_destination(reply)); //todo kdbus incl
+
+  if (!bus_transaction_send_from_driver (transaction, connection, reply))
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  retval = TRUE;
+
+ out:
+  if (reply)
+    dbus_message_unref (reply);
+  return retval;
+}
+
+static dbus_bool_t
+bus_driver_handle_release_service (DBusConnection *connection,
+                                   BusTransaction *transaction,
+                                   DBusMessage    *message,
+                                   DBusError      *error)
+{
+  DBusMessage *reply;
+  DBusString service_name;
+  const char *name;
+  dbus_uint32_t service_reply;
+  dbus_bool_t retval;
+  BusRegistry *registry;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  registry = bus_connection_get_registry (connection);
+
+  if (!dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &name,
+                              DBUS_TYPE_INVALID))
+    return FALSE;
+
+  _dbus_verbose ("Trying to release name %s\n", name);
+
+  retval = FALSE;
+  reply = NULL;
+
+  _dbus_string_init_const (&service_name, name);
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))
+  {
+         registry = (BusRegistry*) dbus_message_get_sender(message);
+         /* todo looks like hack? Yes.
+          * But how to pass sender of message to bus_registry_release_service in other way?
+          */
+  }
+
+  if (!bus_registry_release_service (registry, connection,
+                                     &service_name, &service_reply,
+                                     transaction, error))
+    goto out;
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  if (!dbus_message_append_args (reply, DBUS_TYPE_UINT32, &service_reply, DBUS_TYPE_INVALID))
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  if (!bus_transaction_send_from_driver (transaction, connection, reply))
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  retval = TRUE;
+
+ out:
+  if (reply)
+    dbus_message_unref (reply);
+  return retval;
 }
 
-static void
+static dbus_bool_t
 bus_driver_handle_service_exists (DBusConnection *connection,
-                                 DBusMessage    *message)
+                                  BusTransaction *transaction,
+                                  DBusMessage    *message,
+                                  DBusError      *error)
 {
   DBusMessage *reply;
-  DBusResultCode result;
   DBusString service_name;
   BusService *service;
-  char *name;
-  
-  _DBUS_HANDLE_OOM ((result = dbus_message_get_fields (message,
-                                                      DBUS_TYPE_STRING, &name,
-                                                      0)) != DBUS_RESULT_NO_MEMORY);
- if (result != DBUS_RESULT_SUCCESS)
-    {
-      dbus_free (name);
-      dbus_connection_disconnect (connection);
-      return;
-    }
-
- _dbus_string_init_const (&service_name, name);
- service = bus_service_lookup (&service_name, FALSE);
- _DBUS_HANDLE_OOM ((reply = dbus_message_new_reply (DBUS_MESSAGE_ACQUIRE_SERVICE, message)));
- _DBUS_HANDLE_OOM (dbus_message_set_sender (reply, DBUS_SERVICE_DBUS));
-
- _DBUS_HANDLE_OOM (dbus_message_append_fields (reply,
-                                              DBUS_TYPE_UINT32, (service != NULL ? 1 : 0),
-                                              0));
- _DBUS_HANDLE_OOM (dbus_connection_send_message (connection, reply, NULL, NULL));
- dbus_message_unref (reply);
- dbus_free (name);
+  dbus_bool_t service_exists;
+  const char *name;
+  dbus_bool_t retval;
+  BusRegistry *registry;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  registry = bus_connection_get_registry (connection);
+
+  if (!dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &name,
+                              DBUS_TYPE_INVALID))
+    return FALSE;
+
+  retval = FALSE;
+
+  if (strcmp (name, DBUS_SERVICE_DBUS) == 0)
+    {
+      service_exists = TRUE;
+    }
+  else
+    {
+         if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+         {
+                 int inter_ret;
+                 struct nameInfo info;
+
+                 inter_ret = kdbus_NameQuery(name, dbus_connection_get_transport(connection), &info);
+                       if((inter_ret == 0) || (inter_ret == -ENOENT))
+                               service_exists = (inter_ret == 0) ? TRUE : FALSE;
+                       else
+                       {
+                               _dbus_verbose("kdbus error checking if name exists: err %d (%m)\n", errno);
+                               dbus_set_error (error, DBUS_ERROR_FAILED, "Could not determine whether name '%s' exists", name);
+                               service_exists = FALSE;
+                       }
+         }
+         else
+         {
+             _dbus_string_init_const (&service_name, name);
+             service = bus_registry_lookup (registry, &service_name);
+             service_exists = service != NULL;
+         }
+    }
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  if (!dbus_message_append_args (reply,
+                                 DBUS_TYPE_BOOLEAN, &service_exists,
+                                 0))
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  if (!bus_transaction_send_from_driver (transaction, connection, reply))
+    {
+      BUS_SET_OOM (error);
+      goto out;
+    }
+
+  retval = TRUE;
+
+ out:
+  if (reply)
+    dbus_message_unref (reply);
+
+  return retval;
 }
 
-void
-bus_driver_handle_message (DBusConnection *connection,
-                          DBusMessage    *message)
+static dbus_bool_t
+bus_driver_handle_activate_service (DBusConnection *connection,
+                                    BusTransaction *transaction,
+                                    DBusMessage    *message,
+                                    DBusError      *error)
 {
-  const char *name, *sender;
+  dbus_uint32_t flags;
+  const char *name;
+  dbus_bool_t retval;
+  BusActivation *activation;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
 
-  _dbus_verbose ("Driver got a message: %s\n",
-                dbus_message_get_name (message));
-  
-  name = dbus_message_get_name (message);
-  sender = dbus_message_get_sender (message);
+  activation = bus_connection_get_activation (connection);
 
-  if (sender == NULL && (strcmp (name, DBUS_MESSAGE_HELLO) != 0))
+  if (!dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &name,
+                              DBUS_TYPE_UINT32, &flags,
+                              DBUS_TYPE_INVALID))
     {
-      _dbus_verbose ("Trying to send a message without being registered. Disconnecting.\n");
-      dbus_connection_disconnect (connection);
-      return;
+      _DBUS_ASSERT_ERROR_IS_SET (error);
+      _dbus_verbose ("No memory to get arguments to StartServiceByName\n");
+      return FALSE;
     }
 
-  /* Now check names. */
-  if (strcmp (name, DBUS_MESSAGE_HELLO) == 0)
-    bus_driver_handle_hello (connection, message);
-  else if (strcmp (name, DBUS_MESSAGE_LIST_SERVICES) == 0)
-    bus_driver_handle_list_services (connection, message);
-  else if (strcmp (name, DBUS_MESSAGE_ACQUIRE_SERVICE) == 0)
-    bus_driver_handle_own_service (connection, message);
-  else if (strcmp (name, DBUS_MESSAGE_SERVICE_EXISTS) == 0)
-    bus_driver_handle_service_exists (connection, message);
-  
+  retval = FALSE;
+
+  if (!bus_activation_activate_service (activation, connection, transaction, FALSE,
+                                        message, name, error))
+    {
+      _DBUS_ASSERT_ERROR_IS_SET (error);
+      _dbus_verbose ("bus_activation_activate_service() failed\n");
+      goto out;
+    }
+
+  retval = TRUE;
+
+ out:
+  return retval;
 }
 
-void
-bus_driver_remove_connection (DBusConnection *connection)
+static dbus_bool_t
+send_ack_reply (DBusConnection *connection,
+                BusTransaction *transaction,
+                DBusMessage    *message,
+                DBusError      *error)
 {
-  /* Does nothing for now */
+  DBusMessage *reply;
+
+  if (dbus_message_get_no_reply (message))
+    return TRUE;
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!bus_transaction_send_from_driver (transaction, connection, reply))
+    {
+      BUS_SET_OOM (error);
+      dbus_message_unref (reply);
+      return FALSE;
+    }
+
+  dbus_message_unref (reply);
+
+  return TRUE;
+}
+
+static dbus_bool_t
+bus_driver_handle_update_activation_environment (DBusConnection *connection,
+                                                 BusTransaction *transaction,
+                                                 DBusMessage    *message,
+                                                 DBusError      *error)
+{
+  dbus_bool_t retval;
+  BusActivation *activation;
+  DBusMessageIter iter;
+  DBusMessageIter dict_iter;
+  DBusMessageIter dict_entry_iter;
+  int array_type;
+  int key_type;
+  DBusList *keys, *key_link;
+  DBusList *values, *value_link;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  activation = bus_connection_get_activation (connection);
+
+  dbus_message_iter_init (message, &iter);
+
+  /* The message signature has already been checked for us,
+   * so let's just assert it's right.
+   */
+  _dbus_assert (dbus_message_iter_get_arg_type (&iter) == DBUS_TYPE_ARRAY);
+
+  dbus_message_iter_recurse (&iter, &dict_iter);
+
+  retval = FALSE;
+
+  /* Then loop through the sent dictionary, add the location of
+   * the environment keys and values to lists. The result will
+   * be in reverse order, so we don't have to constantly search
+   * for the end of the list in a loop.
+   */
+  keys = NULL;
+  values = NULL;
+  while ((array_type = dbus_message_iter_get_arg_type (&dict_iter)) == DBUS_TYPE_DICT_ENTRY)
+    {
+      dbus_message_iter_recurse (&dict_iter, &dict_entry_iter);
+
+      while ((key_type = dbus_message_iter_get_arg_type (&dict_entry_iter)) == DBUS_TYPE_STRING)
+        {
+          char *key;
+          char *value;
+          int value_type;
+
+          dbus_message_iter_get_basic (&dict_entry_iter, &key);
+          dbus_message_iter_next (&dict_entry_iter);
+
+          value_type = dbus_message_iter_get_arg_type (&dict_entry_iter);
+
+          if (value_type != DBUS_TYPE_STRING)
+            break;
+
+          dbus_message_iter_get_basic (&dict_entry_iter, &value);
+
+          if (!_dbus_list_append (&keys, key))
+            {
+              BUS_SET_OOM (error);
+              break;
+            }
+
+          if (!_dbus_list_append (&values, value))
+            {
+              BUS_SET_OOM (error);
+              break;
+            }
+
+          dbus_message_iter_next (&dict_entry_iter);
+        }
+
+      if (key_type != DBUS_TYPE_INVALID)
+        break;
+
+      dbus_message_iter_next (&dict_iter);
+    }
+
+  if (array_type != DBUS_TYPE_INVALID)
+    goto out;
+
+  _dbus_assert (_dbus_list_get_length (&keys) == _dbus_list_get_length (&values));
+
+  key_link = keys;
+  value_link = values;
+  while (key_link != NULL)
+  {
+      const char *key;
+      const char *value;
+
+      key = key_link->data;
+      value = value_link->data;
+
+      if (!bus_activation_set_environment_variable (activation,
+                                                    key, value, error))
+      {
+          _DBUS_ASSERT_ERROR_IS_SET (error);
+          _dbus_verbose ("bus_activation_set_environment_variable() failed\n");
+          break;
+      }
+      key_link = _dbus_list_get_next_link (&keys, key_link);
+      value_link = _dbus_list_get_next_link (&values, value_link);
+  }
+
+  /* FIXME: We can fail early having set only some of the environment variables,
+   * (because of OOM failure).  It's sort of hard to fix and it doesn't really
+   * matter, so we're punting for now.
+   */
+  if (key_link != NULL)
+    goto out;
+
+  if (!send_ack_reply (connection, transaction,
+                       message, error))
+    goto out;
+
+  retval = TRUE;
+
+ out:
+  _dbus_list_clear (&keys);
+  _dbus_list_clear (&values);
+  return retval;
+}
+
+static dbus_bool_t
+bus_driver_handle_add_match (DBusConnection *connection,
+                             BusTransaction *transaction,
+                             DBusMessage    *message,
+                             DBusError      *error)
+{
+  BusMatchRule *rule;
+  const char *text;
+  DBusString str;
+  BusMatchmaker *matchmaker;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  text = NULL;
+  rule = NULL;
+
+  if (bus_connection_get_n_match_rules (connection) >=
+      bus_context_get_max_match_rules_per_connection (bus_transaction_get_context (transaction)))
+    {
+      dbus_set_error (error, DBUS_ERROR_LIMITS_EXCEEDED,
+                      "Connection \"%s\" is not allowed to add more match rules "
+                      "(increase limits in configuration file if required)",
+                      bus_connection_is_active (connection) ?
+                      bus_connection_get_name (connection) :
+                      "(inactive)");
+      goto failed;
+    }
+
+  if (!dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &text,
+                              DBUS_TYPE_INVALID))
+    {
+      _dbus_verbose ("No memory to get arguments to AddMatch\n");
+      goto failed;
+    }
+
+  _dbus_string_init_const (&str, text);
+
+  rule = bus_match_rule_parse (connection, &str, error);
+  if (rule == NULL)
+    goto failed;
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+
+         if (!kdbus_add_match_rule (connection, message, text, error))
+             goto failed;
+
+         if (!send_ack_reply (connection, transaction,
+                              message, error))
+             goto failed;
+  }
+  else
+  {
+         matchmaker = bus_connection_get_matchmaker (connection);
+
+         if (!bus_matchmaker_add_rule (matchmaker, rule))
+           {
+             BUS_SET_OOM (error);
+             goto failed;
+           }
+
+         if (!send_ack_reply (connection, transaction,
+                              message, error))
+           {
+             bus_matchmaker_remove_rule (matchmaker, rule);
+             goto failed;
+           }
+  }
+
+  bus_match_rule_unref (rule);
+
+  return TRUE;
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (rule)
+    bus_match_rule_unref (rule);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_remove_match (DBusConnection *connection,
+                                BusTransaction *transaction,
+                                DBusMessage    *message,
+                                DBusError      *error)
+{
+  BusMatchRule *rule;
+  const char *text;
+  DBusString str;
+  BusMatchmaker *matchmaker;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  text = NULL;
+  rule = NULL;
+
+  if (!dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &text,
+                              DBUS_TYPE_INVALID))
+    {
+      _dbus_verbose ("No memory to get arguments to RemoveMatch\n");
+      goto failed;
+    }
+
+  _dbus_string_init_const (&str, text);
+
+  rule = bus_match_rule_parse (connection, &str, error);
+  if (rule == NULL)
+    goto failed;
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         if(!kdbus_remove_match(connection, message, error))
+                 goto failed;
+  }
+
+  /* Send the ack before we remove the rule, since the ack is undone
+   * on transaction cancel, but rule removal isn't.
+   */
+  if (!send_ack_reply (connection, transaction,
+                       message, error))
+    goto failed;
+
+  if(!bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         matchmaker = bus_connection_get_matchmaker (connection);
+
+         if (!bus_matchmaker_remove_rule_by_value (matchmaker, rule, error))
+               goto failed;
+  }
+
+  bus_match_rule_unref (rule);
+
+  return TRUE;
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (rule)
+    bus_match_rule_unref (rule);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_get_service_owner (DBusConnection *connection,
+                                    BusTransaction *transaction,
+                                    DBusMessage    *message,
+                                    DBusError      *error)
+{
+  const char *text;
+  const char *base_name;
+  DBusString str;
+  BusRegistry *registry;
+  BusService *service;
+  DBusMessage *reply;
+  char unique_name[(unsigned int)(snprintf((char*)base_name, 0, "%llu", ULLONG_MAX) + sizeof(":1."))];
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  registry = bus_connection_get_registry (connection);
+
+  text = NULL;
+  reply = NULL;
+
+  if (! dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &text,
+                              DBUS_TYPE_INVALID))
+      goto failed;
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         int ret;
+         struct nameInfo info;
+
+         ret = kdbus_NameQuery(text, dbus_connection_get_transport(connection), &info);
+               if(ret == 0) //unique id of the name
+               {
+                       sprintf(unique_name, ":1.%llu", (unsigned long long int)info.uniqueId);
+                       _dbus_verbose("Unique name discovered:%s\n", unique_name);
+                       base_name = unique_name;
+               }
+               else if(ret == -ENOENT)  //name has no owner
+               {
+                         dbus_set_error (error, DBUS_ERROR_NAME_HAS_NO_OWNER,
+                                                         "Could not get owner of name '%s': no such name", text);
+                         goto failed;
+               }
+               else
+               {
+                       _dbus_verbose("kdbus error sending name query: err %d (%m)\n", errno);
+                       dbus_set_error (error, DBUS_ERROR_FAILED,
+                                                         "Could not determine unique name for '%s'", text);
+                       goto failed;
+               }
+  }
+  else
+  {
+         _dbus_string_init_const (&str, text);
+         service = bus_registry_lookup (registry, &str);
+         if (service == NULL &&
+                 _dbus_string_equal_c_str (&str, DBUS_SERVICE_DBUS))
+               {
+                 /* ORG_FREEDESKTOP_DBUS owns itself */
+                 base_name = DBUS_SERVICE_DBUS;
+               }
+         else if (service == NULL)
+               {
+                 dbus_set_error (error,
+                                                 DBUS_ERROR_NAME_HAS_NO_OWNER,
+                                                 "Could not get owner of name '%s': no such name", text);
+                 goto failed;
+               }
+         else
+               {
+                 base_name = bus_connection_get_name (bus_service_get_primary_owners_connection (service));
+                 if (base_name == NULL)
+                       {
+                         /* FIXME - how is this error possible? */
+                         dbus_set_error (error,
+                                                         DBUS_ERROR_FAILED,
+                                                         "Could not determine unique name for '%s'", text);
+                         goto failed;
+                       }
+                 _dbus_assert (*base_name == ':');
+               }
+  }
+  _dbus_assert (base_name != NULL);
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  if (! dbus_message_append_args (reply,
+                                 DBUS_TYPE_STRING, &base_name,
+                                 DBUS_TYPE_INVALID))
+    goto oom;
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (reply)
+    dbus_message_unref (reply);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_list_queued_owners (DBusConnection *connection,
+                                     BusTransaction *transaction,
+                                     DBusMessage    *message,
+                                     DBusError      *error)
+{
+  const char *text;
+  DBusList *base_names;
+  DBusList *link;
+  DBusString str;
+  BusRegistry *registry;
+  BusService *service;
+  DBusMessage *reply;
+  DBusMessageIter iter, array_iter;
+  char *dbus_service_name = DBUS_SERVICE_DBUS;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  registry = bus_connection_get_registry (connection);
+
+  base_names = NULL;
+  text = NULL;
+  reply = NULL;
+
+  if (! dbus_message_get_args (message, error,
+                              DBUS_TYPE_STRING, &text,
+                              DBUS_TYPE_INVALID))
+      goto failed;
+
+  _dbus_string_init_const (&str, text);
+  service = bus_registry_lookup (registry, &str);
+  if (service == NULL &&
+      _dbus_string_equal_c_str (&str, DBUS_SERVICE_DBUS))
+    {
+      /* ORG_FREEDESKTOP_DBUS owns itself */
+      if (! _dbus_list_append (&base_names, dbus_service_name))
+        goto oom;
+    }
+  else if (service == NULL)
+    {
+      dbus_set_error (error,
+                      DBUS_ERROR_NAME_HAS_NO_OWNER,
+                      "Could not get owners of name '%s': no such name", text);
+      goto failed;
+    }
+  else
+    {
+      if (!bus_service_list_queued_owners (service,
+                                           &base_names,
+                                           error))
+        goto failed;
+    }
+
+  _dbus_assert (base_names != NULL);
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  dbus_message_iter_init_append (reply, &iter);
+  if (!dbus_message_iter_open_container (&iter,
+                                         DBUS_TYPE_ARRAY,
+                                         DBUS_TYPE_STRING_AS_STRING,
+                                         &array_iter))
+    goto oom;
+
+  link = _dbus_list_get_first_link (&base_names);
+  while (link != NULL)
+    {
+      char *uname;
+
+      _dbus_assert (link->data != NULL);
+      uname = (char *)link->data;
+
+      if (!dbus_message_iter_append_basic (&array_iter,
+                                           DBUS_TYPE_STRING,
+                                           &uname))
+        goto oom;
+
+      link = _dbus_list_get_next_link (&base_names, link);
+    }
+
+  if (! dbus_message_iter_close_container (&iter, &array_iter))
+    goto oom;
+
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (reply)
+    dbus_message_unref (reply);
+
+  if (base_names)
+    _dbus_list_clear (&base_names);
+
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_get_connection_unix_user (DBusConnection *connection,
+                                            BusTransaction *transaction,
+                                            DBusMessage    *message,
+                                            DBusError      *error)
+{
+  DBusConnection *conn;
+  DBusMessage *reply;
+  unsigned long uid;
+  dbus_uint32_t uid32;
+  const char *service;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         if(!kdbus_get_connection_unix_user(connection, message, &uid, error))
+                 goto failed;
+  }
+  else
+  {
+         conn = bus_driver_get_conn_helper (connection, message, "UID", &service,
+                                     error);
+
+         if (conn == NULL)
+                 goto failed;
+
+         if (!dbus_connection_get_unix_user (conn, &uid))
+               {
+                 dbus_set_error (error,
+                                                 DBUS_ERROR_FAILED,
+                                                 "Could not determine UID for '%s'", service);
+                 goto failed;
+               }
+  }
+
+  uid32 = uid;
+  if (! dbus_message_append_args (reply,
+                                  DBUS_TYPE_UINT32, &uid32,
+                                  DBUS_TYPE_INVALID))
+    goto oom;
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (reply)
+    dbus_message_unref (reply);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_get_connection_unix_process_id (DBusConnection *connection,
+                                                 BusTransaction *transaction,
+                                                 DBusMessage    *message,
+                                                 DBusError      *error)
+{
+  DBusConnection *conn;
+  DBusMessage *reply;
+  unsigned long pid;
+  dbus_uint32_t pid32;
+  const char *service;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         if(!kdbus_get_connection_unix_process_id(connection, message, &pid, error))
+                 goto failed;
+  }
+  else
+  {
+         conn = bus_driver_get_conn_helper (connection, message, "PID", &service,
+                                                                                error);
+
+         if (conn == NULL)
+               goto failed;
+
+
+
+         if (!dbus_connection_get_unix_process_id (conn, &pid))
+               {
+                 dbus_set_error (error,
+                                                 DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN,
+                                                 "Could not determine PID for '%s'", service);
+                 goto failed;
+               }
+  }
+
+  pid32 = pid;
+  if (! dbus_message_append_args (reply,
+                                  DBUS_TYPE_UINT32, &pid32,
+                                  DBUS_TYPE_INVALID))
+    goto oom;
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (reply)
+    dbus_message_unref (reply);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_get_adt_audit_session_data (DBusConnection *connection,
+                                             BusTransaction *transaction,
+                                             DBusMessage    *message,
+                                             DBusError      *error)
+{
+  DBusConnection *conn;
+  DBusMessage *reply;
+  void *data = NULL;
+  dbus_uint32_t data_size;
+  const char *service;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  reply = NULL;
+
+  conn = bus_driver_get_conn_helper (connection, message,
+                                     "audit session data", &service, error);
+
+  if (conn == NULL)
+    goto failed;
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  if (!dbus_connection_get_adt_audit_session_data (conn, &data, &data_size) || data == NULL)
+    {
+      dbus_set_error (error,
+                      DBUS_ERROR_ADT_AUDIT_DATA_UNKNOWN,
+                      "Could not determine audit session data for '%s'", service);
+      goto failed;
+    }
+
+  if (! dbus_message_append_args (reply,
+                                  DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &data, data_size,
+                                  DBUS_TYPE_INVALID))
+    goto oom;
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (reply)
+    dbus_message_unref (reply);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_get_connection_selinux_security_context (DBusConnection *connection,
+                                                          BusTransaction *transaction,
+                                                          DBusMessage    *message,
+                                                          DBusError      *error)
+{
+  DBusConnection *conn;
+  DBusMessage *reply;
+  BusSELinuxID *context;
+  const char *service;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  if(bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         if(!kdbus_get_connection_unix_selinux_security_context(connection, message, reply, error))
+                 goto failed;
+  }
+  else
+  {
+         conn = bus_driver_get_conn_helper (connection, message, "security context",
+                                                                                &service, error);
+
+         if (conn == NULL)
+               goto failed;
+
+         context = bus_connection_get_selinux_id (conn);
+         if (!context)
+               {
+                 dbus_set_error (error,
+                                                 DBUS_ERROR_SELINUX_SECURITY_CONTEXT_UNKNOWN,
+                                                 "Could not determine security context for '%s'", service);
+                 goto failed;
+               }
+
+         if (! bus_selinux_append_context (reply, context, error))
+               goto failed;
+  }
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (reply)
+    dbus_message_unref (reply);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_get_connection_credentials (DBusConnection *connection,
+                                              BusTransaction *transaction,
+                                              DBusMessage    *message,
+                                              DBusError      *error)
+{
+  DBusConnection *conn;
+  DBusMessage *reply;
+  DBusMessageIter reply_iter;
+  DBusMessageIter array_iter;
+  unsigned long ulong_val;
+  const char *service;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  reply = _dbus_asv_new_method_return (message, &reply_iter, &array_iter);
+  if (reply == NULL)
+    goto oom;
+
+  if(!bus_context_is_kdbus(bus_transaction_get_context (transaction)))  //todo kdbus incl
+  {
+         conn = bus_driver_get_conn_helper (connection, message, "credentials",
+                                                                                &service, error);
+
+         if (conn == NULL)
+               goto failed;
+
+         /* we can't represent > 32-bit pids; if your system needs them, please
+          * add ProcessID64 to the spec or something */
+         if (dbus_connection_get_unix_process_id (conn, &ulong_val) &&
+                 ulong_val <= _DBUS_UINT32_MAX)
+               {
+                 if (!_dbus_asv_add_uint32 (&array_iter, "ProcessID", ulong_val))
+                       goto oom;
+               }
+
+         /* we can't represent > 32-bit uids; if your system needs them, please
+          * add UnixUserID64 to the spec or something */
+         if (dbus_connection_get_unix_user (conn, &ulong_val) &&
+                 ulong_val <= _DBUS_UINT32_MAX)
+               {
+                 if (!_dbus_asv_add_uint32 (&array_iter, "UnixUserID", ulong_val))
+                       goto oom;
+               }
+  }
+  else
+  {
+         if(kdbus_get_connection_unix_process_id(connection, message, &ulong_val, error))
+         {
+                 if (!_dbus_asv_add_uint32 (&array_iter, "ProcessID", ulong_val))
+                       goto oom;
+         }
+         else
+                 goto failed;
+
+         if(kdbus_get_connection_unix_user(connection, message, &ulong_val, error))
+         {
+                 if (!_dbus_asv_add_uint32 (&array_iter, "UnixUserID", ulong_val))
+                       goto oom;
+         }
+         else
+                 goto failed;
+  }
+
+  if (!_dbus_asv_close (&reply_iter, &array_iter))
+    goto oom;
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    {
+      /* this time we don't want to close the iterator again, so just
+       * get rid of the message */
+      dbus_message_unref (reply);
+      reply = NULL;
+      goto oom;
+    }
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+
+  if (reply)
+    {
+      _dbus_asv_abandon (&reply_iter, &array_iter);
+      dbus_message_unref (reply);
+    }
+
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_reload_config (DBusConnection *connection,
+                                BusTransaction *transaction,
+                                DBusMessage    *message,
+                                DBusError      *error)
+{
+  BusContext *context;
+  DBusMessage *reply;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  reply = NULL;
+
+  context = bus_connection_get_context (connection);
+  if (!bus_context_reload_config (context, error))
+    goto failed;
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+ failed:
+  _DBUS_ASSERT_ERROR_IS_SET (error);
+  if (reply)
+    dbus_message_unref (reply);
+  return FALSE;
+}
+
+static dbus_bool_t
+bus_driver_handle_get_id (DBusConnection *connection,
+                          BusTransaction *transaction,
+                          DBusMessage    *message,
+                          DBusError      *error)
+{
+  BusContext *context;
+  DBusMessage *reply;
+  DBusString uuid;
+  const char *v_STRING;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  if (!_dbus_string_init (&uuid))
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  reply = NULL;
+
+  context = bus_connection_get_context (connection);
+  if (!bus_context_get_id (context, &uuid))
+    goto oom;
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  v_STRING = _dbus_string_get_const_data (&uuid);
+  if (!dbus_message_append_args (reply,
+                                 DBUS_TYPE_STRING, &v_STRING,
+                                 DBUS_TYPE_INVALID))
+    goto oom;
+
+  _dbus_assert (dbus_message_has_signature (reply, "s"));
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  _dbus_string_free (&uuid);
+  dbus_message_unref (reply);
+  return TRUE;
+
+ oom:
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  BUS_SET_OOM (error);
+
+  if (reply)
+    dbus_message_unref (reply);
+  _dbus_string_free (&uuid);
+  return FALSE;
+}
+
+typedef struct
+{
+  const char *name;
+  const char *in_args;
+  const char *out_args;
+  dbus_bool_t (* handler) (DBusConnection *connection,
+                           BusTransaction *transaction,
+                           DBusMessage    *message,
+                           DBusError      *error);
+} MessageHandler;
+
+/* For speed it might be useful to sort this in order of
+ * frequency of use (but doesn't matter with only a few items
+ * anyhow)
+ */
+static const MessageHandler dbus_message_handlers[] = {
+  { "Hello",
+    "",
+    DBUS_TYPE_STRING_AS_STRING,
+    bus_driver_handle_hello },
+  { "RequestName",
+    DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_UINT32_AS_STRING,
+    DBUS_TYPE_UINT32_AS_STRING,
+    bus_driver_handle_acquire_service },
+  { "ReleaseName",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_UINT32_AS_STRING,
+    bus_driver_handle_release_service },
+  { "StartServiceByName",
+    DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_UINT32_AS_STRING,
+    DBUS_TYPE_UINT32_AS_STRING,
+    bus_driver_handle_activate_service },
+  { "UpdateActivationEnvironment",
+    DBUS_TYPE_ARRAY_AS_STRING DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_STRING_AS_STRING DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
+    "",
+    bus_driver_handle_update_activation_environment },
+  { "NameHasOwner",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_BOOLEAN_AS_STRING,
+    bus_driver_handle_service_exists },
+  { "ListNames",
+    "",
+    DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_STRING_AS_STRING,
+    bus_driver_handle_list_services },
+  { "ListActivatableNames",
+    "",
+    DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_STRING_AS_STRING,
+    bus_driver_handle_list_activatable_services },
+  { "AddMatch",
+    DBUS_TYPE_STRING_AS_STRING,
+    "",
+    bus_driver_handle_add_match },
+  { "RemoveMatch",
+    DBUS_TYPE_STRING_AS_STRING,
+    "",
+    bus_driver_handle_remove_match },
+  { "GetNameOwner",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_STRING_AS_STRING,
+    bus_driver_handle_get_service_owner },
+  { "ListQueuedOwners",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_STRING_AS_STRING,
+    bus_driver_handle_list_queued_owners },
+  { "GetConnectionUnixUser",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_UINT32_AS_STRING,
+    bus_driver_handle_get_connection_unix_user },
+  { "GetConnectionUnixProcessID",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_UINT32_AS_STRING,
+    bus_driver_handle_get_connection_unix_process_id },
+  { "GetAdtAuditSessionData",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_BYTE_AS_STRING,
+    bus_driver_handle_get_adt_audit_session_data },
+  { "GetConnectionSELinuxSecurityContext",
+    DBUS_TYPE_STRING_AS_STRING,
+    DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_BYTE_AS_STRING,
+    bus_driver_handle_get_connection_selinux_security_context },
+  { "ReloadConfig",
+    "",
+    "",
+    bus_driver_handle_reload_config },
+  { "GetId",
+    "",
+    DBUS_TYPE_STRING_AS_STRING,
+    bus_driver_handle_get_id },
+  { "GetConnectionCredentials", "s", "a{sv}",
+    bus_driver_handle_get_connection_credentials },
+  { NULL, NULL, NULL, NULL }
+};
+
+static dbus_bool_t bus_driver_handle_introspect (DBusConnection *,
+    BusTransaction *, DBusMessage *, DBusError *);
+
+static const MessageHandler introspectable_message_handlers[] = {
+  { "Introspect", "", DBUS_TYPE_STRING_AS_STRING, bus_driver_handle_introspect },
+  { NULL, NULL, NULL, NULL }
+};
+
+#ifdef DBUS_ENABLE_STATS
+static const MessageHandler stats_message_handlers[] = {
+  { "GetStats", "", "a{sv}", bus_stats_handle_get_stats },
+  { "GetConnectionStats", "s", "a{sv}", bus_stats_handle_get_connection_stats },
+  { NULL, NULL, NULL, NULL }
+};
+#endif
+
+typedef struct {
+  const char *name;
+  const MessageHandler *message_handlers;
+  const char *extra_introspection;
+} InterfaceHandler;
+
+/* These should ideally be sorted by frequency of use, although it
+ * probably doesn't matter with this few items */
+static InterfaceHandler interface_handlers[] = {
+  { DBUS_INTERFACE_DBUS, dbus_message_handlers,
+    "    <signal name=\"NameOwnerChanged\">\n"
+    "      <arg type=\"s\"/>\n"
+    "      <arg type=\"s\"/>\n"
+    "      <arg type=\"s\"/>\n"
+    "    </signal>\n"
+    "    <signal name=\"NameLost\">\n"
+    "      <arg type=\"s\"/>\n"
+    "    </signal>\n"
+    "    <signal name=\"NameAcquired\">\n"
+    "      <arg type=\"s\"/>\n"
+    "    </signal>\n" },
+  { DBUS_INTERFACE_INTROSPECTABLE, introspectable_message_handlers, NULL },
+#ifdef DBUS_ENABLE_STATS
+  { BUS_INTERFACE_STATS, stats_message_handlers, NULL },
+#endif
+  { NULL, NULL, NULL }
+};
+
+static dbus_bool_t
+write_args_for_direction (DBusString *xml,
+                         const char *signature,
+                         dbus_bool_t in)
+{
+  DBusTypeReader typereader;
+  DBusString sigstr;
+  int current_type;
+
+  _dbus_string_init_const (&sigstr, signature);
+  _dbus_type_reader_init_types_only (&typereader, &sigstr, 0);
+
+  while ((current_type = _dbus_type_reader_get_current_type (&typereader)) != DBUS_TYPE_INVALID)
+    {
+      const DBusString *subsig;
+      int start, len;
+
+      _dbus_type_reader_get_signature (&typereader, &subsig, &start, &len);
+      if (!_dbus_string_append_printf (xml, "      <arg direction=\"%s\" type=\"",
+                                      in ? "in" : "out"))
+       goto oom;
+      if (!_dbus_string_append_len (xml,
+                                   _dbus_string_get_const_data (subsig) + start,
+                                   len))
+       goto oom;
+      if (!_dbus_string_append (xml, "\"/>\n"))
+       goto oom;
+
+      _dbus_type_reader_next (&typereader);
+    }
+  return TRUE;
+ oom:
+  return FALSE;
+}
+
+dbus_bool_t
+bus_driver_generate_introspect_string (DBusString *xml)
+{
+  const InterfaceHandler *ih;
+  const MessageHandler *mh;
+
+  if (!_dbus_string_append (xml, DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE))
+    return FALSE;
+  if (!_dbus_string_append (xml, "<node>\n"))
+    return FALSE;
+
+  for (ih = interface_handlers; ih->name != NULL; ih++)
+    {
+      if (!_dbus_string_append_printf (xml, "  <interface name=\"%s\">\n",
+                                       ih->name))
+        return FALSE;
+
+      for (mh = ih->message_handlers; mh->name != NULL; mh++)
+        {
+          if (!_dbus_string_append_printf (xml, "    <method name=\"%s\">\n",
+                                           mh->name))
+            return FALSE;
+
+          if (!write_args_for_direction (xml, mh->in_args, TRUE))
+            return FALSE;
+
+          if (!write_args_for_direction (xml, mh->out_args, FALSE))
+            return FALSE;
+
+          if (!_dbus_string_append (xml, "    </method>\n"))
+            return FALSE;
+        }
+
+      if (ih->extra_introspection != NULL &&
+          !_dbus_string_append (xml, ih->extra_introspection))
+        return FALSE;
+
+      if (!_dbus_string_append (xml, "  </interface>\n"))
+        return FALSE;
+    }
+
+  if (!_dbus_string_append (xml, "</node>\n"))
+    return FALSE;
+
+  return TRUE;
+}
+
+static dbus_bool_t
+bus_driver_handle_introspect (DBusConnection *connection,
+                              BusTransaction *transaction,
+                              DBusMessage    *message,
+                              DBusError      *error)
+{
+  DBusString xml;
+  DBusMessage *reply;
+  const char *v_STRING;
+
+  _dbus_verbose ("Introspect() on bus driver\n");
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  reply = NULL;
+
+  if (! dbus_message_get_args (message, error,
+                              DBUS_TYPE_INVALID))
+    {
+      _DBUS_ASSERT_ERROR_IS_SET (error);
+      return FALSE;
+    }
+
+  if (!_dbus_string_init (&xml))
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!bus_driver_generate_introspect_string (&xml))
+    goto oom;
+
+  v_STRING = _dbus_string_get_const_data (&xml);
+
+  reply = dbus_message_new_method_return (message);
+  if (reply == NULL)
+    goto oom;
+
+  if (! dbus_message_append_args (reply,
+                                  DBUS_TYPE_STRING, &v_STRING,
+                                  DBUS_TYPE_INVALID))
+    goto oom;
+
+  if (! bus_transaction_send_from_driver (transaction, connection, reply))
+    goto oom;
+
+  dbus_message_unref (reply);
+  _dbus_string_free (&xml);
+
+  return TRUE;
+
+ oom:
+  BUS_SET_OOM (error);
+
+  if (reply)
+    dbus_message_unref (reply);
+
+  _dbus_string_free (&xml);
+
+  return FALSE;
+}
+
+dbus_bool_t
+bus_driver_handle_message (DBusConnection *connection,
+                           BusTransaction *transaction,
+                          DBusMessage    *message,
+                           DBusError      *error)
+{
+  const char *name, *interface;
+  const InterfaceHandler *ih;
+  const MessageHandler *mh;
+  dbus_bool_t found_interface = FALSE;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  if (dbus_message_is_signal (message, "org.freedesktop.systemd1.Activator", "ActivationFailure"))
+    {
+      BusContext *context;
+
+      context = bus_connection_get_context (connection);
+      return dbus_activation_systemd_failure(bus_context_get_activation(context), message);
+    }
+
+  if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_METHOD_CALL)
+    {
+      _dbus_verbose ("Driver got a non-method-call message, ignoring\n");
+      return TRUE; /* we just ignore this */
+    }
+
+  /* may be NULL, which means "any interface will do" */
+  interface = dbus_message_get_interface (message);
+
+  _dbus_assert (dbus_message_get_member (message) != NULL);
+
+  name = dbus_message_get_member (message);
+
+  _dbus_verbose ("Driver got a method call: %s\n", name);
+
+  /* security checks should have kept this from getting here */
+  _dbus_assert (dbus_message_get_sender (message) != NULL ||
+                strcmp (name, "Hello") == 0);
+
+  for (ih = interface_handlers; ih->name != NULL; ih++)
+    {
+      if (interface != NULL && strcmp (interface, ih->name) != 0)
+        continue;
+
+      found_interface = TRUE;
+
+      for (mh = ih->message_handlers; mh->name != NULL; mh++)
+        {
+          if (strcmp (mh->name, name) != 0)
+            continue;
+
+          _dbus_verbose ("Found driver handler for %s\n", name);
+
+          if (!dbus_message_has_signature (message, mh->in_args))
+            {
+              _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+              _dbus_verbose ("Call to %s has wrong args (%s, expected %s)\n",
+                             name, dbus_message_get_signature (message),
+                             mh->in_args);
+
+              dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
+                              "Call to %s has wrong args (%s, expected %s)\n",
+                              name, dbus_message_get_signature (message),
+                              mh->in_args);
+              _DBUS_ASSERT_ERROR_IS_SET (error);
+              return FALSE;
+            }
+
+          if ((* mh->handler) (connection, transaction, message, error))
+            {
+              _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+              _dbus_verbose ("Driver handler succeeded\n");
+              return TRUE;
+            }
+          else
+            {
+              _DBUS_ASSERT_ERROR_IS_SET (error);
+              _dbus_verbose ("Driver handler returned failure\n");
+              return FALSE;
+            }
+        }
+    }
+
+  _dbus_verbose ("No driver handler for message \"%s\"\n",
+                 name);
+
+  dbus_set_error (error, found_interface ? DBUS_ERROR_UNKNOWN_METHOD : DBUS_ERROR_UNKNOWN_INTERFACE,
+                  "%s does not understand message %s",
+                  DBUS_SERVICE_DBUS, name);
+
+  return FALSE;
+}
+
+void
+bus_driver_remove_connection (DBusConnection *connection)
+{
+  /* FIXME 1.0 Does nothing for now, should unregister the connection
+   * with the bus driver.
+   */
 }