-/* -*- 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 1.2
+ * 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
*
* 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 "utils.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);
+static dbus_bool_t bus_driver_send_welcome_message (DBusConnection *connection,
+ DBusMessage *hello_message,
+ BusTransaction *transaction,
+ DBusError *error);
-static void
-bus_driver_send_service_deleted (DBusConnection *connection, const char *name)
+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_verbose ("sending service deleted: %s\n", name);
+ _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;
+}
+
+dbus_bool_t
+bus_driver_send_service_lost (DBusConnection *connection,
+ const char *service_name,
+ BusTransaction *transaction,
+ DBusError *error)
+{
+ DBusMessage *message;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
- _DBUS_HANDLE_OOM (message = dbus_message_new (DBUS_SERVICE_BROADCAST,
- DBUS_MESSAGE_SERVICE_DELETED));
+ message = dbus_message_new_signal (DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS,
+ "NameLost");
+
+ if (message == NULL)
+ {
+ BUS_SET_OOM (error);
+ return FALSE;
+ }
- _DBUS_HANDLE_OOM (dbus_message_set_sender (message, DBUS_SERVICE_DBUS));
+ 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;
+ }
- _DBUS_HANDLE_OOM (dbus_message_append_fields (message,
- DBUS_TYPE_STRING, name,
- 0));
- bus_dispatch_broadcast_message (message);
- dbus_message_unref (message);
+ 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 void
-bus_driver_send_service_created (DBusConnection *connection, const char *name)
+dbus_bool_t
+bus_driver_send_service_acquired (DBusConnection *connection,
+ const char *service_name,
+ BusTransaction *transaction,
+ DBusError *error)
{
DBusMessage *message;
- _DBUS_HANDLE_OOM (message = dbus_message_new (DBUS_SERVICE_BROADCAST,
- DBUS_MESSAGE_SERVICE_CREATED));
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
- _DBUS_HANDLE_OOM (dbus_message_set_sender (message, DBUS_SERVICE_DBUS));
+ message = dbus_message_new_signal (DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS,
+ "NameAcquired");
- _DBUS_HANDLE_OOM (dbus_message_append_fields (message,
- DBUS_TYPE_STRING, name,
- 0));
- bus_dispatch_broadcast_message (message);
- dbus_message_unref (message);
+ 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 (const char *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
* 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;
-
- if (!_dbus_string_append (str, name))
- return FALSE;
len = _dbus_string_get_length (str);
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))
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. */
return TRUE;
}
-static void
+static dbus_bool_t
bus_driver_handle_hello (DBusConnection *connection,
- DBusMessage *message)
+ BusTransaction *transaction,
+ DBusMessage *message,
+ DBusError *error)
{
- DBusResultCode result;
- char *name;
DBusString unique_name;
BusService *service;
-
- _DBUS_HANDLE_OOM ((result = dbus_message_get_fields (message,
- DBUS_TYPE_STRING, &name,
- 0)) != DBUS_RESULT_NO_MEMORY);
+ dbus_bool_t retval;
+ BusRegistry *registry;
+ BusConnections *connections;
- if (result != DBUS_RESULT_SUCCESS)
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ if (bus_connection_is_active (connection))
{
- dbus_free (name);
- dbus_connection_disconnect (connection);
+ /* We already handled an Hello message for this connection. */
+ dbus_set_error (error, DBUS_ERROR_FAILED,
+ "Already handled an Hello message");
+ return FALSE;
}
-
- _DBUS_HANDLE_OOM (_dbus_string_init (&unique_name, _DBUS_INT_MAX));
- _DBUS_HANDLE_OOM (create_unique_client_name (name, &unique_name));
-
- dbus_free (name);
+ /* 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;
+ }
- /* Create the service */
- _DBUS_HANDLE_OOM (service = bus_service_lookup (&unique_name, TRUE));
+ if (!_dbus_string_init (&unique_name))
+ {
+ BUS_SET_OOM (error);
+ return FALSE;
+ }
- /* 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));
+ retval = FALSE;
- _DBUS_HANDLE_OOM (dbus_message_set_sender (message,
- bus_connection_get_name (connection)));
+ registry = bus_connection_get_registry (connection);
- _dbus_string_free (&unique_name);
+ if (!create_unique_client_name (registry, &unique_name))
+ {
+ BUS_SET_OOM (error);
+ goto out_0;
+ }
- _DBUS_HANDLE_OOM (bus_driver_send_welcome_message (connection, message));
+ 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;
- /* Broadcast a service created message */
- bus_driver_send_service_created (connection, bus_service_get_name (service));
+ /* Create the service */
+ service = bus_registry_ensure (registry,
+ &unique_name, connection, 0, transaction, error);
+ if (service == NULL)
+ goto out_0;
+
+ _dbus_assert (bus_connection_is_active (connection));
+ retval = TRUE;
+
+ 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_WELCOME,
- hello_message));
+ 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 dbus_bool_t
+bus_driver_handle_list_services (DBusConnection *connection,
+ BusTransaction *transaction,
+ DBusMessage *message,
+ DBusError *error)
+{
+ DBusMessage *reply;
+ 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 (dbus_message_set_sender (welcome, DBUS_SERVICE_DBUS));
+ reply = dbus_message_new_method_return (message);
+ if (reply == NULL)
+ {
+ BUS_SET_OOM (error);
+ return FALSE;
+ }
+
+ if (!bus_registry_list_services (registry, &services, &len))
+ {
+ dbus_message_unref (reply);
+ BUS_SET_OOM (error);
+ return FALSE;
+ }
+
+ dbus_message_iter_init_append (reply, &iter);
- _DBUS_HANDLE_OOM (dbus_message_append_fields (welcome,
- DBUS_TYPE_STRING, name,
- NULL));
+ 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;
+ }
+
+ {
+ /* 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;
+ }
+ }
- _DBUS_HANDLE_OOM (dbus_connection_send_message (connection, welcome, NULL, NULL));
+ 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);
- dbus_message_unref (welcome);
+ 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
+ {
+ dbus_message_unref (reply);
+ return TRUE;
+ }
}
-static void
-bus_driver_handle_list_services (DBusConnection *connection,
- DBusMessage *message)
+static dbus_bool_t
+bus_driver_handle_list_activatable_services (DBusConnection *connection,
+ BusTransaction *transaction,
+ DBusMessage *message,
+ DBusError *error)
{
DBusMessage *reply;
- int len, i;
+ int len;
char **services;
+ BusActivation *activation;
+ int i;
+ DBusMessageIter iter;
+ DBusMessageIter sub;
- _DBUS_HANDLE_OOM (reply = dbus_message_new_reply (DBUS_MESSAGE_SERVICES, message));
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
- _DBUS_HANDLE_OOM (services = bus_services_list (&len));
+ activation = bus_connection_get_activation (connection);
- _DBUS_HANDLE_OOM (dbus_message_append_fields (reply,
- DBUS_TYPE_STRING_ARRAY, services, len,
- 0));
+ 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_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;
+ }
+
+ {
+ /* 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))
{
- for (i = 0; i < len; i++)
- dbus_free (services[i]);
- dbus_free (services);
+ dbus_message_unref (reply);
+ BUS_SET_OOM (error);
+ return FALSE;
+ }
+ else
+ {
+ dbus_message_unref (reply);
+ return TRUE;
}
}
-void
-bus_driver_remove_connection (DBusConnection *connection)
+static dbus_bool_t
+bus_driver_handle_acquire_service (DBusConnection *connection,
+ BusTransaction *transaction,
+ DBusMessage *message,
+ DBusError *error)
{
- BusService *service;
+ DBusMessage *reply;
DBusString service_name;
const char *name;
+ dbus_uint32_t service_reply;
+ dbus_uint32_t flags;
+ dbus_bool_t retval;
+ BusRegistry *registry;
- name = bus_connection_get_name (connection);
+ _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_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;
+
+ _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;
+ }
+
+ if (!bus_transaction_send_from_driver (transaction, connection, reply))
+ {
+ BUS_SET_OOM (error);
+ goto out;
+ }
- if (name == NULL)
- return;
+ 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_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 dbus_bool_t
+bus_driver_handle_service_exists (DBusConnection *connection,
+ BusTransaction *transaction,
+ DBusMessage *message,
+ DBusError *error)
+{
+ DBusMessage *reply;
+ DBusString service_name;
+ BusService *service;
+ 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
+ {
+ _dbus_string_init_const (&service_name, name);
+ service = bus_registry_lookup (registry, &service_name);
+ service_exists = service != NULL;
+ }
- service = bus_service_lookup (&service_name, FALSE);
+ 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;
+ }
- bus_driver_send_service_deleted (connection, name);
+ retval = TRUE;
- if (service)
- bus_service_free (service);
+ 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_verbose ("Driver got a message: %s\n",
- dbus_message_get_name (message));
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
- name = dbus_message_get_name (message);
- sender = dbus_message_get_sender (message);
+ activation = bus_connection_get_activation (connection);
+
+ if (!dbus_message_get_args (message, error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_UINT32, &flags,
+ DBUS_TYPE_INVALID))
+ {
+ _DBUS_ASSERT_ERROR_IS_SET (error);
+ _dbus_verbose ("No memory to get arguments to StartServiceByName\n");
+ return FALSE;
+ }
+
+ 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;
+}
+
+static dbus_bool_t
+send_ack_reply (DBusConnection *connection,
+ BusTransaction *transaction,
+ DBusMessage *message,
+ DBusError *error)
+{
+ DBusMessage *reply;
- if (sender == NULL && (strcmp (name, DBUS_MESSAGE_HELLO) != 0))
+ 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))
{
- _dbus_verbose ("Trying to send a message without being registered. Disconnecting.\n");
- dbus_connection_disconnect (connection);
- return;
+ BUS_SET_OOM (error);
+ dbus_message_unref (reply);
+ 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);
+ 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 msg_type;
+ 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.
+ */
+ msg_type = dbus_message_iter_get_arg_type (&iter);
+
+ _dbus_assert (msg_type == 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;
+
+ 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;
+
+ /* 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;
+
+ 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;
+
+ _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;
+
+ _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)
+{
+ const char *service;
+ DBusString str;
+ BusRegistry *registry;
+ BusService *serv;
+ DBusConnection *conn;
+ DBusMessage *reply;
+ unsigned long uid;
+ dbus_uint32_t uid32;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ registry = bus_connection_get_registry (connection);
+
+ service = NULL;
+ reply = NULL;
+
+ if (! dbus_message_get_args (message, error,
+ DBUS_TYPE_STRING, &service,
+ DBUS_TYPE_INVALID))
+ goto failed;
+
+ _dbus_verbose ("asked for UID of connection %s\n", service);
+
+ _dbus_string_init_const (&str, service);
+ serv = bus_registry_lookup (registry, &str);
+ if (serv == NULL)
+ {
+ dbus_set_error (error,
+ DBUS_ERROR_NAME_HAS_NO_OWNER,
+ "Could not get UID of name '%s': no such name", service);
+ goto failed;
+ }
+
+ conn = bus_service_get_primary_owners_connection (serv);
+
+ reply = dbus_message_new_method_return (message);
+ if (reply == NULL)
+ goto oom;
+
+ 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)
+{
+ const char *service;
+ DBusString str;
+ BusRegistry *registry;
+ BusService *serv;
+ DBusConnection *conn;
+ DBusMessage *reply;
+ unsigned long pid;
+ dbus_uint32_t pid32;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ registry = bus_connection_get_registry (connection);
+
+ service = NULL;
+ reply = NULL;
+
+ if (! dbus_message_get_args (message, error,
+ DBUS_TYPE_STRING, &service,
+ DBUS_TYPE_INVALID))
+ goto failed;
+
+ _dbus_verbose ("asked for PID of connection %s\n", service);
+
+ _dbus_string_init_const (&str, service);
+ serv = bus_registry_lookup (registry, &str);
+ if (serv == NULL)
+ {
+ dbus_set_error (error,
+ DBUS_ERROR_NAME_HAS_NO_OWNER,
+ "Could not get PID of name '%s': no such name", service);
+ goto failed;
+ }
+
+ conn = bus_service_get_primary_owners_connection (serv);
+
+ reply = dbus_message_new_method_return (message);
+ if (reply == NULL)
+ goto oom;
+
+ 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)
+{
+ const char *service;
+ DBusString str;
+ BusRegistry *registry;
+ BusService *serv;
+ DBusConnection *conn;
+ DBusMessage *reply;
+ void *data = NULL;
+ dbus_uint32_t data_size;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ registry = bus_connection_get_registry (connection);
+
+ service = NULL;
+ reply = NULL;
+
+ if (! dbus_message_get_args (message, error,
+ DBUS_TYPE_STRING, &service,
+ DBUS_TYPE_INVALID))
+ goto failed;
+
+ _dbus_verbose ("asked for audit session data for connection %s\n", service);
+
+ _dbus_string_init_const (&str, service);
+ serv = bus_registry_lookup (registry, &str);
+ if (serv == NULL)
+ {
+ dbus_set_error (error,
+ DBUS_ERROR_NAME_HAS_NO_OWNER,
+ "Could not get audit session data for name '%s': no such name", service);
+ goto failed;
+ }
+
+ conn = bus_service_get_primary_owners_connection (serv);
+
+ 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)
+{
+ const char *service;
+ DBusString str;
+ BusRegistry *registry;
+ BusService *serv;
+ DBusConnection *conn;
+ DBusMessage *reply;
+ BusSELinuxID *context;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ registry = bus_connection_get_registry (connection);
+
+ service = NULL;
+ reply = NULL;
+
+ if (! dbus_message_get_args (message, error,
+ DBUS_TYPE_STRING, &service,
+ DBUS_TYPE_INVALID))
+ goto failed;
+
+ _dbus_verbose ("asked for security context of connection %s\n", service);
+
+ _dbus_string_init_const (&str, service);
+ serv = bus_registry_lookup (registry, &str);
+ if (serv == NULL)
+ {
+ dbus_set_error (error,
+ DBUS_ERROR_NAME_HAS_NO_OWNER,
+ "Could not get security context of name '%s': no such name", service);
+ goto failed;
+ }
+
+ conn = bus_service_get_primary_owners_connection (serv);
+
+ reply = dbus_message_new_method_return (message);
+ if (reply == NULL)
+ goto oom;
+
+ 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_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;
+}
+
+/* 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 struct
+{
+ const char *name;
+ const char *in_args;
+ const char *out_args;
+ dbus_bool_t (* handler) (DBusConnection *connection,
+ BusTransaction *transaction,
+ DBusMessage *message,
+ DBusError *error);
+} 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 }
+};
+
+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)
+{
+ int i;
+
+ if (!_dbus_string_append (xml, DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE))
+ return FALSE;
+ if (!_dbus_string_append (xml, "<node>\n"))
+ return FALSE;
+ if (!_dbus_string_append_printf (xml, " <interface name=\"%s\">\n", DBUS_INTERFACE_INTROSPECTABLE))
+ return FALSE;
+ if (!_dbus_string_append (xml, " <method name=\"Introspect\">\n"))
+ return FALSE;
+ if (!_dbus_string_append_printf (xml, " <arg name=\"data\" direction=\"out\" type=\"%s\"/>\n", DBUS_TYPE_STRING_AS_STRING))
+ return FALSE;
+ if (!_dbus_string_append (xml, " </method>\n"))
+ return FALSE;
+ if (!_dbus_string_append (xml, " </interface>\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " <interface name=\"%s\">\n",
+ DBUS_INTERFACE_DBUS))
+ return FALSE;
+
+ i = 0;
+ while (i < _DBUS_N_ELEMENTS (message_handlers))
+ {
+
+ if (!_dbus_string_append_printf (xml, " <method name=\"%s\">\n",
+ message_handlers[i].name))
+ return FALSE;
+
+ if (!write_args_for_direction (xml, message_handlers[i].in_args, TRUE))
+ return FALSE;
+
+ if (!write_args_for_direction (xml, message_handlers[i].out_args, FALSE))
+ return FALSE;
+
+ if (!_dbus_string_append (xml, " </method>\n"))
+ return FALSE;
+
+ ++i;
+ }
+
+ if (!_dbus_string_append_printf (xml, " <signal name=\"NameOwnerChanged\">\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " <arg type=\"s\"/>\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " <arg type=\"s\"/>\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " <arg type=\"s\"/>\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " </signal>\n"))
+ return FALSE;
+
+
+
+ if (!_dbus_string_append_printf (xml, " <signal name=\"NameLost\">\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " <arg type=\"s\"/>\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " </signal>\n"))
+ return FALSE;
+
+
+
+ if (!_dbus_string_append_printf (xml, " <signal name=\"NameAcquired\">\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " <arg type=\"s\"/>\n"))
+ return FALSE;
+
+ if (!_dbus_string_append_printf (xml, " </signal>\n"))
+ 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, *sender, *interface;
+ int i;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ 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 */
+ }
+
+ if (dbus_message_is_method_call (message,
+ DBUS_INTERFACE_INTROSPECTABLE,
+ "Introspect"))
+ return bus_driver_handle_introspect (connection, transaction, message, error);
+
+ interface = dbus_message_get_interface (message);
+ if (interface == NULL)
+ interface = DBUS_INTERFACE_DBUS;
+
+ _dbus_assert (dbus_message_get_member (message) != NULL);
+
+ name = dbus_message_get_member (message);
+ sender = dbus_message_get_sender (message);
+
+ if (strcmp (interface,
+ DBUS_INTERFACE_DBUS) != 0)
+ {
+ _dbus_verbose ("Driver got message to unknown interface \"%s\"\n",
+ interface);
+ goto unknown;
+ }
+
+ _dbus_verbose ("Driver got a method call: %s\n",
+ dbus_message_get_member (message));
+
+ /* security checks should have kept this from getting here */
+ _dbus_assert (sender != NULL || strcmp (name, "Hello") == 0);
+
+ i = 0;
+ while (i < _DBUS_N_ELEMENTS (message_handlers))
+ {
+ if (strcmp (message_handlers[i].name, name) == 0)
+ {
+ _dbus_verbose ("Found driver handler for %s\n", name);
+
+ if (!dbus_message_has_signature (message, message_handlers[i].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),
+ message_handlers[i].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),
+ message_handlers[i].in_args);
+ _DBUS_ASSERT_ERROR_IS_SET (error);
+ return FALSE;
+ }
+
+ if ((* message_handlers[i].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;
+ }
+ }
+
+ ++i;
+ }
+
+ unknown:
+ _dbus_verbose ("No driver handler for message \"%s\"\n",
+ name);
+
+ dbus_set_error (error, DBUS_ERROR_UNKNOWN_METHOD,
+ "%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.
+ */
}