[Xfce4-commits] <xfce4-session:master> Add shutdown/reboot functionality for systemd (bug #8729).
Nick Schermer
noreply at xfce.org
Sun Nov 4 21:26:01 CET 2012
Updating branch refs/heads/master
to ae28aef315a7a6b90f1649ce6d1f30b842791cbf (commit)
from f40480c65e6c57a6560aece3f62d2438f39959d2 (commit)
commit ae28aef315a7a6b90f1649ce6d1f30b842791cbf
Author: Nick Schermer <nick at xfce.org>
Date: Sun Nov 4 21:23:36 2012 +0100
Add shutdown/reboot functionality for systemd (bug #8729).
Based on patch by Christian Hesse and Evangelos Foutras.
configure.in.in | 4 +
xfce4-session/Makefile.am | 14 ++-
xfce4-session/xfsm-shutdown.c | 35 ++++++-
xfce4-session/xfsm-systemd.c | 229 +++++++++++++++++++++++++++++++++++++++++
xfce4-session/xfsm-systemd.h | 55 ++++++++++
5 files changed, 333 insertions(+), 4 deletions(-)
diff --git a/configure.in.in b/configure.in.in
index 9aa4f8f..134d0f7 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -96,6 +96,10 @@ XDT_CHECK_PACKAGE([DBUS], [dbus-1], [1.1.0])
XDT_CHECK_PACKAGE([DBUS_GLIB], [dbus-glib-1], [0.84])
XDT_CHECK_PACKAGE([XFCONF], [libxfconf-0], [4.9.0])
+dnl Check for polkit / systemd integration
+XDT_CHECK_OPTIONAL_PACKAGE([SYSTEMD], [polkit-gobject-1], [0.100],
+ [systemd], [Systemd support (through polit)])
+
dnl Check for debugging support
XDT_FEATURE_DEBUG([xfsm_debug_default])
diff --git a/xfce4-session/Makefile.am b/xfce4-session/Makefile.am
index c015154..f748b2b 100644
--- a/xfce4-session/Makefile.am
+++ b/xfce4-session/Makefile.am
@@ -38,8 +38,6 @@ xfce4_session_SOURCES = \
xfsm-compat-gnome.h \
xfsm-compat-kde.c \
xfsm-compat-kde.h \
- xfsm-consolekit.c \
- xfsm-consolekit.h \
xfsm-dns.c \
xfsm-dns.h \
xfsm-error.c \
@@ -65,6 +63,16 @@ xfce4_session_SOURCES = \
xfsm-upower.c \
xfsm-upower.h
+if HAVE_SYSTEMD
+xfce4_session_SOURCES += \
+ xfsm-systemd.c \
+ xfsm-systemd.h
+else
+xfce4_session_SOURCES += \
+ xfsm-consolekit.c \
+ xfsm-consolekit.h
+endif
+
xfce4_session_CFLAGS = \
$(LIBSM_CFLAGS) \
$(LIBX11_CFLAGS) \
@@ -72,6 +80,7 @@ xfce4_session_CFLAGS = \
$(DBUS_CFLAGS) \
$(DBUS_GLIB_CFLAGS) \
$(LIBWNCK_CFLAGS) \
+ $(SYSTEMD_CFLAGS) \
$(XFCONF_CFLAGS) \
$(GMODULE_CFLAGS) \
$(PLATFORM_CFLAGS)
@@ -91,6 +100,7 @@ xfce4_session_LDADD = \
$(DBUS_LIBS) \
$(DBUS_GLIB_LIBS) \
$(LIBWNCK_LIBS) \
+ $(SYSTEMD_LIBS) \
$(XFCONF_LIBS) \
-lm
diff --git a/xfce4-session/xfsm-shutdown.c b/xfce4-session/xfsm-shutdown.c
index d8757a8..4c483a7 100644
--- a/xfce4-session/xfsm-shutdown.c
+++ b/xfce4-session/xfsm-shutdown.c
@@ -66,10 +66,13 @@
#include <xfce4-session/xfsm-fadeout.h>
#include <xfce4-session/xfsm-global.h>
#include <xfce4-session/xfsm-legacy.h>
-#include <xfce4-session/xfsm-consolekit.h>
#include <xfce4-session/xfsm-upower.h>
-
+#ifdef HAVE_SYSTEMD
+#include <xfce4-session/xfsm-systemd.h>
+#else
+#include <xfce4-session/xfsm-consolekit.h>
+#endif
static void xfsm_shutdown_finalize (GObject *object);
static void xfsm_shutdown_sudo_free (XfsmShutdown *shutdown);
@@ -93,7 +96,11 @@ struct _XfsmShutdown
{
GObject __parent__;
+#ifdef HAVE_SYSTEMD
+ XfsmSystemd *systemd;
+#else
XfsmConsolekit *consolekit;
+#endif
XfsmUPower *upower;
/* kiosk settings */
@@ -131,7 +138,11 @@ xfsm_shutdown_init (XfsmShutdown *shutdown)
{
XfceKiosk *kiosk;
+#ifdef HAVE_SYSTEMD
+ shutdown->systemd = xfsm_systemd_get ();
+#else
shutdown->consolekit = xfsm_consolekit_get ();
+#endif
shutdown->upower = xfsm_upower_get ();
shutdown->helper_state = SUDO_NOT_INITIAZED;
shutdown->helper_require_password = FALSE;
@@ -150,7 +161,11 @@ xfsm_shutdown_finalize (GObject *object)
{
XfsmShutdown *shutdown = XFSM_SHUTDOWN (object);
+#ifdef HAVE_SYSTEMD
+ g_object_unref (G_OBJECT (shutdown->systemd));
+#else
g_object_unref (G_OBJECT (shutdown->consolekit));
+#endif
g_object_unref (G_OBJECT (shutdown->upower));
/* close down helper */
@@ -641,7 +656,11 @@ xfsm_shutdown_try_restart (XfsmShutdown *shutdown,
if (shutdown->helper_state == SUDO_AVAILABLE)
return xfsm_shutdown_sudo_try_action (shutdown, XFSM_SHUTDOWN_RESTART, error);
else
+#ifdef HAVE_SYSTEMD
+ return xfsm_systemd_try_restart (shutdown->systemd, error);
+#else
return xfsm_consolekit_try_restart (shutdown->consolekit, error);
+#endif
}
@@ -658,7 +677,11 @@ xfsm_shutdown_try_shutdown (XfsmShutdown *shutdown,
if (shutdown->helper_state == SUDO_AVAILABLE)
return xfsm_shutdown_sudo_try_action (shutdown, XFSM_SHUTDOWN_SHUTDOWN, error);
else
+#ifdef HAVE_SYSTEMD
+ return xfsm_systemd_try_shutdown (shutdown->systemd, error);
+#else
return xfsm_consolekit_try_shutdown (shutdown->consolekit, error);
+#endif
}
@@ -698,7 +721,11 @@ xfsm_shutdown_can_restart (XfsmShutdown *shutdown,
return TRUE;
}
+#ifdef HAVE_SYSTEMD
+ if (xfsm_systemd_can_restart (shutdown->systemd, can_restart, error))
+#else
if (xfsm_consolekit_can_restart (shutdown->consolekit, can_restart, error))
+#endif
return TRUE;
if (xfsm_shutdown_sudo_init (shutdown, error))
@@ -725,7 +752,11 @@ xfsm_shutdown_can_shutdown (XfsmShutdown *shutdown,
return TRUE;
}
+#ifdef HAVE_SYSTEMD
+ if (xfsm_systemd_can_shutdown (shutdown->systemd, can_shutdown, error))
+#else
if (xfsm_consolekit_can_shutdown (shutdown->consolekit, can_shutdown, error))
+#endif
return TRUE;
if (xfsm_shutdown_sudo_init (shutdown, error))
diff --git a/xfce4-session/xfsm-systemd.c b/xfce4-session/xfsm-systemd.c
new file mode 100644
index 0000000..7bdd39d
--- /dev/null
+++ b/xfce4-session/xfsm-systemd.c
@@ -0,0 +1,229 @@
+/*-
+ * Copyright (C) 2012 Christian Hesse
+ *
+ * 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, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA.
+ */
+
+#include <config.h>
+
+#include <gio/gio.h>
+#include <polkit/polkit.h>
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+
+#include <xfce4-session/xfsm-systemd.h>
+
+
+
+#define SYSTEMD_DBUS_NAME "org.freedesktop.login1"
+#define SYSTEMD_DBUS_PATH "/org/freedesktop/login1"
+#define SYSTEMD_DBUS_INTERFACE "org.freedesktop.login1.Manager"
+#define SYSTEMD_REBOOT_ACTION "Reboot"
+#define SYSTEMD_POWEROFF_ACTION "PowerOff"
+#define SYSTEMD_REBOOT_TEST "org.freedesktop.login1.reboot"
+#define SYSTEMD_POWEROFF_TEST "org.freedesktop.login1.power-off"
+
+
+
+static void xfsm_systemd_finalize (GObject *object);
+
+
+
+struct _XfsmSystemdClass
+{
+ GObjectClass __parent__;
+};
+
+struct _XfsmSystemd
+{
+ GObject __parent__;
+
+ PolkitAuthority *authority;
+ PolkitSubject *subject;
+};
+
+
+
+G_DEFINE_TYPE (XfsmSystemd, xfsm_systemd, G_TYPE_OBJECT)
+
+
+
+static void
+xfsm_systemd_class_init (XfsmSystemdClass *klass)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = G_OBJECT_CLASS (klass);
+ gobject_class->finalize = xfsm_systemd_finalize;
+}
+
+
+
+static void
+xfsm_systemd_init (XfsmSystemd *systemd)
+{
+ systemd->authority = polkit_authority_get_sync (NULL, NULL);
+ systemd->subject = polkit_unix_process_new (getpid());
+}
+
+
+
+static void
+xfsm_systemd_finalize (GObject *object)
+{
+ XfsmSystemd *systemd = XFSM_SYSTEMD (object);
+
+ g_object_unref (G_OBJECT (systemd->authority));
+ g_object_unref (G_OBJECT (systemd->subject));
+
+ (*G_OBJECT_CLASS (xfsm_systemd_parent_class)->finalize) (object);
+}
+
+
+static gboolean
+xfsm_systemd_can_method (XfsmSystemd *systemd,
+ gboolean *can_method,
+ const gchar *method,
+ GError **error)
+{
+ PolkitAuthorizationResult *res;
+ GError *local_error = NULL;
+
+ *can_method = FALSE;
+
+ res = polkit_authority_check_authorization_sync (systemd->authority,
+ systemd->subject,
+ method,
+ NULL,
+ POLKIT_CHECK_AUTHORIZATION_FLAGS_NONE,
+ NULL,
+ &local_error);
+
+ if (res == NULL)
+ {
+ g_propagate_error (error, local_error);
+ return FALSE;
+ }
+
+ *can_method = polkit_authorization_result_get_is_authorized (res)
+ || polkit_authorization_result_get_is_challenge (res);
+
+ g_object_unref (G_OBJECT (res));
+
+ return TRUE;
+}
+
+
+
+static gboolean
+xfsm_systemd_try_method (XfsmSystemd *systemd,
+ const gchar *method,
+ GError **error)
+{
+ GDBusConnection *bus;
+ GError *local_error = NULL;
+
+ bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, error);
+ if (G_UNLIKELY (bus == NULL))
+ return FALSE;
+
+ g_dbus_connection_call_sync (bus,
+ SYSTEMD_DBUS_NAME,
+ SYSTEMD_DBUS_PATH,
+ SYSTEMD_DBUS_INTERFACE,
+ method,
+ g_variant_new ("(b)", TRUE),
+ NULL, 0, G_MAXINT, NULL,
+ &local_error);
+
+ g_object_unref (G_OBJECT (bus));
+
+ if (local_error != NULL)
+ {
+ g_propagate_error (error, local_error);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+
+XfsmSystemd *
+xfsm_systemd_get (void)
+{
+ static XfsmSystemd *object = NULL;
+
+ if (G_LIKELY (object != NULL))
+ {
+ g_object_ref (G_OBJECT (object));
+ }
+ else
+ {
+ object = g_object_new (XFSM_TYPE_SYSTEMD, NULL);
+ g_object_add_weak_pointer (G_OBJECT (object), (gpointer) &object);
+ }
+
+ return object;
+}
+
+
+
+gboolean
+xfsm_systemd_try_restart (XfsmSystemd *systemd,
+ GError **error)
+{
+ return xfsm_systemd_try_method (systemd,
+ SYSTEMD_REBOOT_ACTION,
+ error);
+}
+
+
+
+gboolean
+xfsm_systemd_try_shutdown (XfsmSystemd *systemd,
+ GError **error)
+{
+ return xfsm_systemd_try_method (systemd,
+ SYSTEMD_POWEROFF_ACTION,
+ error);
+}
+
+
+
+gboolean
+xfsm_systemd_can_restart (XfsmSystemd *systemd,
+ gboolean *can_restart,
+ GError **error)
+{
+ return xfsm_systemd_can_method (systemd,
+ can_restart,
+ SYSTEMD_REBOOT_TEST,
+ error);
+}
+
+
+
+gboolean
+xfsm_systemd_can_shutdown (XfsmSystemd *systemd,
+ gboolean *can_shutdown,
+ GError **error)
+{
+ return xfsm_systemd_can_method (systemd,
+ can_shutdown,
+ SYSTEMD_POWEROFF_TEST,
+ error);
+}
diff --git a/xfce4-session/xfsm-systemd.h b/xfce4-session/xfsm-systemd.h
new file mode 100644
index 0000000..8223622
--- /dev/null
+++ b/xfce4-session/xfsm-systemd.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2012 Christian Hesse
+ *
+ * Licensed under the GNU General Public License Version 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
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __XFSM_SYSTEMD_H__
+#define __XFSM_SYSTEMD_H__
+
+typedef struct _XfsmSystemdClass XfsmSystemdClass;
+typedef struct _XfsmSystemd XfsmSystemd;
+
+#define XFSM_TYPE_SYSTEMD (xfsm_systemd_get_type ())
+#define XFSM_SYSTEMD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), XFSM_TYPE_SYSTEMD, XfsmSystemd))
+#define XFSM_SYSTEMD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), XFSM_TYPE_SYSTEMD, XfsmSystemdClass))
+#define XFSM_IS_SYSTEMD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), XFSM_TYPE_SYSTEMD))
+#define XFSM_IS_SYSTEMD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), XFSM_TYPE_SYSTEMD))
+#define XFSM_SYSTEMD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), XFSM_TYPE_SYSTEMD, XfsmSystemdClass))
+
+GType xfsm_systemd_get_type (void) G_GNUC_CONST;
+
+XfsmSystemd *xfsm_systemd_get (void);
+
+gboolean xfsm_systemd_try_restart (XfsmSystemd *systemd,
+ GError **error);
+
+gboolean xfsm_systemd_try_shutdown (XfsmSystemd *systemd,
+ GError **error);
+
+gboolean xfsm_systemd_can_restart (XfsmSystemd *systemd,
+ gboolean *can_restart,
+ GError **error);
+
+gboolean xfsm_systemd_can_shutdown (XfsmSystemd *systemd,
+ gboolean *can_shutdown,
+ GError **error);
+
+G_END_DECLS
+
+#endif /* __XFSM_SYSTEMD_H__ */
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