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https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-10-04 23:31:19 +00:00
b732380d1e
The only plausible use case for the NMObject:dbus-connection property is for using the session bus in test programs. So just drop it and use an environment variable to decide which bus to use instead.
101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* Copyright 2013 Red Hat, Inc.
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*/
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#include <string.h>
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#include <config.h>
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#include <gio/gio.h>
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#include <dbus/dbus.h>
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#include <dbus/dbus-glib-lowlevel.h>
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#include "nm-dbus-helpers-private.h"
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#include "nm-dbus-interface.h"
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static dbus_int32_t priv_slot = -1;
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static DBusBusType nm_bus = DBUS_BUS_SYSTEM;
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static void
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_ensure_nm_dbus_helpers_inited (void)
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{
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static gsize init_value = 0;
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if (g_once_init_enter (&init_value)) {
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dbus_connection_allocate_data_slot (&priv_slot);
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g_assert (priv_slot != -1);
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if (g_getenv ("LIBNM_USE_SESSION_BUS"))
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nm_bus = DBUS_BUS_SESSION;
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g_once_init_leave (&init_value, 1);
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}
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}
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DBusGConnection *
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_nm_dbus_new_connection (GError **error)
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{
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DBusGConnection *connection = NULL;
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_ensure_nm_dbus_helpers_inited ();
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#if HAVE_DBUS_GLIB_100
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/* If running as root try the private bus first */
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if (0 == geteuid () && nm_bus == DBUS_BUS_SYSTEM) {
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connection = dbus_g_connection_open ("unix:path=" NMRUNDIR "/private", error);
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if (connection) {
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DBusConnection *dbus_connection = dbus_g_connection_get_connection (connection);
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/* Mark this connection as private */
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dbus_connection_set_data (dbus_connection, priv_slot, GUINT_TO_POINTER (TRUE), NULL);
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dbus_connection_set_exit_on_disconnect (dbus_connection, FALSE);
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return connection;
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}
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/* Fall back to a bus if for some reason private socket isn't available */
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g_clear_error (error);
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}
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#endif
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if (connection == NULL)
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connection = dbus_g_bus_get (nm_bus, error);
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return connection;
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}
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gboolean
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_nm_dbus_is_connection_private (DBusGConnection *connection)
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{
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if (priv_slot == -1)
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return FALSE;
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return !!dbus_connection_get_data (dbus_g_connection_get_connection (connection), priv_slot);
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}
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DBusGProxy *
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_nm_dbus_new_proxy_for_connection (DBusGConnection *connection,
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const char *path,
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const char *interface)
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{
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/* Private connections can't use dbus_g_proxy_new_for_name() or
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* dbus_g_proxy_new_for_name_owner() because peer-to-peer connections don't
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* have either a bus daemon or name owners, both of which those functions
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* require.
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*/
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if (_nm_dbus_is_connection_private (connection))
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return dbus_g_proxy_new_for_peer (connection, path, interface);
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return dbus_g_proxy_new_for_name (connection, NM_DBUS_SERVICE, path, interface);
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}
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