[gdm/wip/slave-connection: 25/36] daemon: Port GdmChooserServer to GDBus
- From: Ray Strode <halfline src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gdm/wip/slave-connection: 25/36] daemon: Port GdmChooserServer to GDBus
- Date: Thu, 12 Jul 2012 22:29:06 +0000 (UTC)
commit 397131aea3d67f8999f4a22dde0ca20bf97751a9
Author: Giovanni Campagna <gcampagna src gnome org>
Date: Sat Jul 7 01:21:33 2012 -0400
daemon: Port GdmChooserServer to GDBus
GdmChooserServer is the slave-side object that handles communication
with choosers. The chooser talks over a private peer-to-peer dbus
connection to its slave via GdmChooserServer.
A chooser is like a greeter, but instead of presenting a login screen
it presents a list of hosts on the network that will offer login screens
if asked. The user picks one of these hosts and their display is
redirected to it.
This commit makes GdmChooserServer use GDBus.
This gets us one step closer to GDM running without dbus-glib.
https://bugzilla.gnome.org/show_bug.cgi?id=6228
daemon/Makefile.am | 14 +-
daemon/gdm-chooser-server.c | 347 +++++++++---------------------------
daemon/gdm-xdmcp-chooser-slave.c | 29 +++-
daemon/gdm-xdmcp-greeter-display.c | 27 +++-
daemon/xdmcp-chooser-slave-main.c | 3 +-
5 files changed, 142 insertions(+), 278 deletions(-)
---
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index 495fcb3..b8d43f5 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -201,12 +201,14 @@ gdm_xdmcp_chooser_slave_SOURCES = \
$(NULL)
nodist_gdm_xdmcp_chooser_slave_SOURCES = \
- gdm-greeter-glue.c \
- gdm-greeter-glue.h \
- gdm-display-glue.c \
- gdm-display-glue.h \
- gdm-slave-glue.c \
- gdm-slave-glue.h \
+ gdm-session-glue.c \
+ gdm-session-glue.h \
+ gdm-display-glue.c \
+ gdm-display-glue.h \
+ gdm-slave-glue.c \
+ gdm-slave-glue.h \
+ gdm-xdmcp-chooser-slave-glue.c \
+ gdm-xdmcp-chooser-slave-glue.h \
$(NULL)
gdm_xdmcp_chooser_slave_LDADD = \
diff --git a/daemon/gdm-chooser-server.c b/daemon/gdm-chooser-server.c
index 2bd664c..47fc4ba 100644
--- a/daemon/gdm-chooser-server.c
+++ b/daemon/gdm-chooser-server.c
@@ -39,27 +39,36 @@
#include <glib.h>
#include <glib/gi18n.h>
#include <glib-object.h>
-#define DBUS_API_SUBJECT_TO_CHANGE
-#include <dbus/dbus-glib.h>
-#include <dbus/dbus-glib-lowlevel.h>
+#include <gio/gio.h>
#include "gdm-common.h"
#include "gdm-chooser-server.h"
+#include "gdm-dbus-util.h"
#define GDM_CHOOSER_SERVER_DBUS_PATH "/org/gnome/DisplayManager/ChooserServer"
#define GDM_CHOOSER_SERVER_DBUS_INTERFACE "org.gnome.DisplayManager.ChooserServer"
#define GDM_CHOOSER_SERVER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_CHOOSER_SERVER, GdmChooserServerPrivate))
+static const char* chooser_server_introspection =
+ "<node>"
+ " <interface name=\"org.gnome.DisplayManager.ChooserServer\">"
+ " <method name=\"SelectHostname\">"
+ " <arg name=\"text\" direction=\"in\" type=\"s\"/>"
+ " </method>"
+ " <method name=\"Disconnect\">"
+ " </method>"
+ " </interface>"
+ "</node>";
+
struct GdmChooserServerPrivate
{
char *user_name;
char *group_name;
char *display_id;
- DBusServer *server;
- char *server_address;
- DBusConnection *chooser_connection;
+ GDBusServer *server;
+ GDBusConnection *chooser_connection;
};
enum {
@@ -83,240 +92,65 @@ static void gdm_chooser_server_init (GdmChooserServer *chooser_
G_DEFINE_TYPE (GdmChooserServer, gdm_chooser_server, G_TYPE_OBJECT)
-/* Note: Use abstract sockets like dbus does by default on Linux. Abstract
- * sockets are only available on Linux.
- */
-static char *
-generate_address (void)
-{
- char *path;
-#if defined (__linux__)
- int i;
- char tmp[9];
-
- for (i = 0; i < 8; i++) {
- if (g_random_int_range (0, 2) == 0) {
- tmp[i] = g_random_int_range ('a', 'z' + 1);
- } else {
- tmp[i] = g_random_int_range ('A', 'Z' + 1);
- }
- }
- tmp[8] = '\0';
-
- path = g_strdup_printf ("unix:abstract=/tmp/gdm-chooser-%s", tmp);
-#else
- path = g_strdup ("unix:tmpdir=/tmp");
-#endif
-
- return path;
-}
-
-static DBusHandlerResult
-handle_select_hostname (GdmChooserServer *chooser_server,
- DBusConnection *connection,
- DBusMessage *message)
+static void
+handle_select_hostname (GdmChooserServer *chooser_server,
+ GDBusMethodInvocation *invocation,
+ GVariant *parameters)
{
- DBusMessage *reply;
- DBusError error;
const char *text;
- dbus_error_init (&error);
- if (! dbus_message_get_args (message, &error,
- DBUS_TYPE_STRING, &text,
- DBUS_TYPE_INVALID)) {
- g_warning ("ERROR: %s", error.message);
- }
+ g_variant_get (parameters, "(&s)", &text);
g_debug ("ChooserServer: SelectHostname: %s", text);
- reply = dbus_message_new_method_return (message);
- dbus_connection_send (connection, reply, NULL);
- if (reply != NULL) {
- dbus_message_unref (reply);
- }
+ g_dbus_method_invocation_return_value (invocation, NULL);
g_signal_emit (chooser_server, signals [HOSTNAME_SELECTED], 0, text);
-
- return DBUS_HANDLER_RESULT_HANDLED;
}
-static DBusHandlerResult
-handle_disconnect (GdmChooserServer *chooser_server,
- DBusConnection *connection,
- DBusMessage *message)
+static void
+handle_disconnect (GdmChooserServer *chooser_server,
+ GDBusMethodInvocation *invocation,
+ GVariant *parameters)
{
- DBusMessage *reply;
+ g_debug ("ChooserServer: Disconnect");
- reply = dbus_message_new_method_return (message);
- dbus_connection_send (connection, reply, NULL);
- if (reply != NULL) {
- dbus_message_unref (reply);
- }
+ g_dbus_method_invocation_return_value (invocation, NULL);
g_signal_emit (chooser_server, signals [DISCONNECTED], 0);
-
- return DBUS_HANDLER_RESULT_HANDLED;
}
-static DBusHandlerResult
-chooser_handle_child_message (DBusConnection *connection,
- DBusMessage *message,
- void *user_data)
+static void
+chooser_handle_child_method (GDBusConnection *connection,
+ const char *sender,
+ const char *object_path,
+ const char *interface_name,
+ const char *method_name,
+ GVariant *parameters,
+ GDBusMethodInvocation *invocation,
+ void *user_data)
{
GdmChooserServer *chooser_server = GDM_CHOOSER_SERVER (user_data);
- if (dbus_message_is_method_call (message, GDM_CHOOSER_SERVER_DBUS_INTERFACE, "SelectHostname")) {
- return handle_select_hostname (chooser_server, connection, message);
- } else if (dbus_message_is_method_call (message, GDM_CHOOSER_SERVER_DBUS_INTERFACE, "Disconnect")) {
- return handle_disconnect (chooser_server, connection, message);
+ if (strcmp (method_name, "SelectHostname") == 0) {
+ return handle_select_hostname (chooser_server, invocation, parameters);
+ } else if (strcmp (method_name, "Disconnect") == 0) {
+ return handle_disconnect (chooser_server, invocation, parameters);
}
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static DBusHandlerResult
-do_introspect (DBusConnection *connection,
- DBusMessage *message)
-{
- DBusMessage *reply;
- GString *xml;
- char *xml_string;
-
- g_debug ("ChooserServer: Do introspect");
-
- /* standard header */
- xml = g_string_new ("<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n"
- "\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\";>\n"
- "<node>\n"
- " <interface name=\"org.freedesktop.DBus.Introspectable\">\n"
- " <method name=\"Introspect\">\n"
- " <arg name=\"data\" direction=\"out\" type=\"s\"/>\n"
- " </method>\n"
- " </interface>\n");
-
- /* interface */
- xml = g_string_append (xml,
- " <interface name=\"org.gnome.DisplayManager.ChooserServer\">\n"
- " <method name=\"SelectHostname\">\n"
- " <arg name=\"text\" direction=\"in\" type=\"s\"/>\n"
- " </method>\n"
- " <method name=\"Disconnect\">\n"
- " </method>\n"
- " </interface>\n");
-
- reply = dbus_message_new_method_return (message);
-
- xml = g_string_append (xml, "</node>\n");
- xml_string = g_string_free (xml, FALSE);
-
- dbus_message_append_args (reply,
- DBUS_TYPE_STRING, &xml_string,
- DBUS_TYPE_INVALID);
-
- g_free (xml_string);
-
- if (reply == NULL) {
- g_error ("No memory");
- }
-
- if (! dbus_connection_send (connection, reply, NULL)) {
- g_error ("No memory");
- }
-
- if (reply != NULL) {
- dbus_message_unref (reply);
- }
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static DBusHandlerResult
-chooser_server_message_handler (DBusConnection *connection,
- DBusMessage *message,
- void *user_data)
-{
- const char *dbus_destination = dbus_message_get_destination (message);
- const char *dbus_path = dbus_message_get_path (message);
- const char *dbus_interface = dbus_message_get_interface (message);
- const char *dbus_member = dbus_message_get_member (message);
-
- g_debug ("chooser_server_message_handler: destination=%s obj_path=%s interface=%s method=%s",
- dbus_destination ? dbus_destination : "(null)",
- dbus_path ? dbus_path : "(null)",
- dbus_interface ? dbus_interface : "(null)",
- dbus_member ? dbus_member : "(null)");
-
- if (dbus_message_is_method_call (message, "org.freedesktop.DBus", "AddMatch")) {
- DBusMessage *reply;
-
- reply = dbus_message_new_method_return (message);
-
- if (reply == NULL) {
- g_error ("No memory");
- }
-
- if (! dbus_connection_send (connection, reply, NULL)) {
- g_error ("No memory");
- }
-
- dbus_message_unref (reply);
-
- return DBUS_HANDLER_RESULT_HANDLED;
- } else if (dbus_message_is_signal (message, DBUS_INTERFACE_LOCAL, "Disconnected") &&
- strcmp (dbus_message_get_path (message), DBUS_PATH_LOCAL) == 0) {
-
- /*dbus_connection_unref (connection);*/
-
- return DBUS_HANDLER_RESULT_HANDLED;
- } else if (dbus_message_is_method_call (message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
- return do_introspect (connection, message);
- } else {
- return chooser_handle_child_message (connection, message, user_data);
- }
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static void
-chooser_server_unregister_handler (DBusConnection *connection,
- void *user_data)
+connection_closed (GDBusConnection *connection,
+ GdmChooserServer *chooser_server)
{
- g_debug ("chooser_server_unregister_handler");
+ g_clear_object (&chooser_server->priv->chooser_connection);
}
-static DBusHandlerResult
-connection_filter_function (DBusConnection *connection,
- DBusMessage *message,
- void *user_data)
-{
- GdmChooserServer *chooser_server = GDM_CHOOSER_SERVER (user_data);
- const char *dbus_path = dbus_message_get_path (message);
- const char *dbus_interface = dbus_message_get_interface (message);
- const char *dbus_message = dbus_message_get_member (message);
-
- g_debug ("ChooserServer: obj_path=%s interface=%s method=%s",
- dbus_path ? dbus_path : "(null)",
- dbus_interface ? dbus_interface : "(null)",
- dbus_message ? dbus_message : "(null)");
-
- if (dbus_message_is_signal (message, DBUS_INTERFACE_LOCAL, "Disconnected")
- && strcmp (dbus_path, DBUS_PATH_LOCAL) == 0) {
-
- g_debug ("ChooserServer: Disconnected");
-
- dbus_connection_unref (connection);
- chooser_server->priv->chooser_connection = NULL;
-
- return DBUS_HANDLER_RESULT_HANDLED;
- }
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static dbus_bool_t
-allow_user_function (DBusConnection *connection,
- unsigned long uid,
- void *data)
+static gboolean
+allow_user_function (GDBusAuthObserver *observer,
+ GIOStream *stream,
+ GCredentials *credentials,
+ void *data)
{
GdmChooserServer *chooser_server = GDM_CHOOSER_SERVER (data);
struct passwd *pwent;
@@ -330,93 +164,77 @@ allow_user_function (DBusConnection *connection,
return FALSE;
}
- if (pwent->pw_uid == uid) {
- return TRUE;
- }
-
- return FALSE;
+ return g_credentials_get_unix_user (credentials, NULL) == pwent->pw_uid;
}
static void
-handle_connection (DBusServer *server,
- DBusConnection *new_connection,
- void *user_data)
+handle_connection (GDBusServer *server,
+ GDBusConnection *new_connection,
+ void *user_data)
{
GdmChooserServer *chooser_server = GDM_CHOOSER_SERVER (user_data);
g_debug ("ChooserServer: Handing new connection");
if (chooser_server->priv->chooser_connection == NULL) {
- DBusObjectPathVTable vtable = { &chooser_server_unregister_handler,
- &chooser_server_message_handler,
- NULL, NULL, NULL, NULL
- };
+ GDBusInterfaceVTable vtable = { chooser_handle_child_method };
+ GDBusNodeInfo *info;
- chooser_server->priv->chooser_connection = new_connection;
- dbus_connection_ref (new_connection);
- dbus_connection_setup_with_g_main (new_connection, NULL);
+ chooser_server->priv->chooser_connection = g_object_ref (new_connection);
- g_debug ("ChooserServer: chooser connection is %p", new_connection);
+ info = g_dbus_node_info_new_for_xml (chooser_server_introspection, NULL);
- dbus_connection_add_filter (new_connection,
- connection_filter_function,
- chooser_server,
- NULL);
+ g_debug ("GdmChooserServer: new connection %p", new_connection);
- dbus_connection_set_unix_user_function (new_connection,
- allow_user_function,
- chooser_server,
- NULL);
+ g_dbus_connection_register_object (new_connection,
+ "/org/gnome/DisplayManager/ChooserServer",
+ info->interfaces[0],
+ &vtable,
+ NULL, NULL, NULL);
- dbus_connection_register_object_path (new_connection,
- GDM_CHOOSER_SERVER_DBUS_PATH,
- &vtable,
- chooser_server);
+ g_signal_connect (new_connection, "closed",
+ G_CALLBACK (connection_closed), chooser_server);
g_signal_emit (chooser_server, signals[CONNECTED], 0);
-
}
}
gboolean
gdm_chooser_server_start (GdmChooserServer *chooser_server)
{
- DBusError error;
- gboolean ret;
- char *address;
- const char *auth_mechanisms[] = {"EXTERNAL", NULL};
+ GDBusAuthObserver *observer;
+ GError *error = NULL;
+ gboolean ret;
ret = FALSE;
g_debug ("ChooserServer: Creating D-Bus server for chooser");
- address = generate_address ();
+ observer = g_dbus_auth_observer_new ();
+ g_signal_connect (observer, "authorize-authenticated-peer",
+ G_CALLBACK (allow_user_function), chooser_server);
- dbus_error_init (&error);
- chooser_server->priv->server = dbus_server_listen (address, &error);
- g_free (address);
+ chooser_server->priv->server = gdm_dbus_setup_private_server (observer,
+ &error);
+ g_object_unref (observer);
if (chooser_server->priv->server == NULL) {
- g_warning ("Cannot create D-BUS server for the chooser: %s", error.message);
+ g_warning ("Cannot create D-BUS server for the chooser: %s", error->message);
/* FIXME: should probably fail if we can't create the socket */
goto out;
}
- dbus_server_setup_with_g_main (chooser_server->priv->server, NULL);
- dbus_server_set_auth_mechanisms (chooser_server->priv->server, auth_mechanisms);
- dbus_server_set_new_connection_function (chooser_server->priv->server,
- handle_connection,
- chooser_server,
- NULL);
+ g_signal_connect (chooser_server->priv->server, "new-connection",
+ G_CALLBACK (handle_connection), chooser_server);
+
ret = TRUE;
- g_free (chooser_server->priv->server_address);
- chooser_server->priv->server_address = dbus_server_get_address (chooser_server->priv->server);
+ g_debug ("ChooserServer: D-Bus server listening on %s",
+ g_dbus_server_get_client_address (chooser_server->priv->server));
- g_debug ("ChooserServer: D-Bus server listening on %s", chooser_server->priv->server_address);
+ g_dbus_server_start (chooser_server->priv->server);
out:
-
return ret;
}
@@ -429,13 +247,16 @@ gdm_chooser_server_stop (GdmChooserServer *chooser_server)
g_debug ("ChooserServer: Stopping chooser server...");
+ g_clear_object (&chooser_server->priv->server);
+ g_clear_object (&chooser_server->priv->chooser_connection);
+
return ret;
}
char *
gdm_chooser_server_get_address (GdmChooserServer *chooser_server)
{
- return g_strdup (chooser_server->priv->server_address);
+ return g_strdup (g_dbus_server_get_client_address (chooser_server->priv->server));
}
static void
diff --git a/daemon/gdm-xdmcp-chooser-slave.c b/daemon/gdm-xdmcp-chooser-slave.c
index 2dd6edc..45d04ad 100644
--- a/daemon/gdm-xdmcp-chooser-slave.c
+++ b/daemon/gdm-xdmcp-chooser-slave.c
@@ -34,10 +34,6 @@
#include <glib/gstdio.h>
#include <glib-object.h>
-#define DBUS_API_SUBJECT_TO_CHANGE
-#include <dbus/dbus-glib.h>
-#include <dbus/dbus-glib-lowlevel.h>
-
#include <X11/Xlib.h> /* for Display */
#include "gdm-common.h"
@@ -70,6 +66,8 @@ struct GdmXdmcpChooserSlavePrivate
GdmChooserServer *chooser_server;
GdmChooserSession *chooser;
+
+ GdmDBusXdmcpChooserSlave *skeleton;
};
enum {
@@ -129,6 +127,9 @@ on_chooser_hostname_selected (GdmChooserServer *chooser_server,
{
g_debug ("GdmXdmcpChooserSlave: emitting hostname selected: %s", name);
g_signal_emit (slave, signals [HOSTNAME_SELECTED], 0, name);
+
+ gdm_dbus_xdmcp_chooser_slave_emit_hostname_selected (slave->priv->skeleton,
+ name);
}
static void
@@ -316,12 +317,32 @@ gdm_xdmcp_chooser_slave_stop (GdmSlave *slave)
return TRUE;
}
+static GObject *
+gdm_xdmcp_chooser_slave_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties)
+{
+ GdmXdmcpChooserSlave *slave;
+
+ slave = GDM_XDMCP_CHOOSER_SLAVE (G_OBJECT_CLASS (gdm_xdmcp_chooser_slave_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_properties));
+
+ slave->priv->skeleton = GDM_DBUS_XDMCP_CHOOSER_SLAVE (gdm_dbus_xdmcp_chooser_slave_skeleton_new ());
+ gdm_slave_export_interface (GDM_SLAVE (slave),
+ G_DBUS_INTERFACE_SKELETON (slave->priv->skeleton));
+
+ return G_OBJECT (slave);
+}
+
+
static void
gdm_xdmcp_chooser_slave_class_init (GdmXdmcpChooserSlaveClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdmSlaveClass *slave_class = GDM_SLAVE_CLASS (klass);
+ object_class->constructor = gdm_xdmcp_chooser_slave_constructor;
object_class->finalize = gdm_xdmcp_chooser_slave_finalize;
slave_class->start = gdm_xdmcp_chooser_slave_start;
diff --git a/daemon/gdm-xdmcp-greeter-display.c b/daemon/gdm-xdmcp-greeter-display.c
index e836dda..ad7ea75 100644
--- a/daemon/gdm-xdmcp-greeter-display.c
+++ b/daemon/gdm-xdmcp-greeter-display.c
@@ -37,7 +37,7 @@
#include "gdm-xdmcp-display.h"
#include "gdm-xdmcp-greeter-display.h"
-#include "gdm-xdmcp-greeter-display-glue.h"
+#include "gdm-xdmcp-display-glue.h"
#include "gdm-common.h"
#include "gdm-address.h"
@@ -46,6 +46,7 @@
struct GdmXdmcpGreeterDisplayPrivate
{
+ GdmDBusXdmcpDisplay *skeleton;
GdmAddress *remote_address;
gint32 session_number;
};
@@ -63,18 +64,36 @@ static gboolean gdm_xdmcp_greeter_display_finish (GdmDisplay *display);
G_DEFINE_TYPE (GdmXdmcpGreeterDisplay, gdm_xdmcp_greeter_display, GDM_TYPE_XDMCP_DISPLAY)
+static GObject *
+gdm_xdmcp_greeter_display_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties)
+{
+ GdmXdmcpGreeterDisplay *display;
+
+ display = GDM_XDMCP_GREETER_DISPLAY (G_OBJECT_CLASS (gdm_xdmcp_greeter_display_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_properties));
+
+ display->priv->skeleton = GDM_DBUS_XDMCP_DISPLAY (gdm_dbus_xdmcp_display_skeleton_new ());
+
+ g_dbus_object_skeleton_add_interface (gdm_display_get_object_skeleton (GDM_DISPLAY (display)),
+ G_DBUS_INTERFACE_SKELETON (display->priv->skeleton));
+
+ return G_OBJECT (display);
+}
+
static void
gdm_xdmcp_greeter_display_class_init (GdmXdmcpGreeterDisplayClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdmDisplayClass *display_class = GDM_DISPLAY_CLASS (klass);
+ object_class->constructor = gdm_xdmcp_greeter_display_constructor;
object_class->finalize = gdm_xdmcp_greeter_display_finalize;
display_class->finish = gdm_xdmcp_greeter_display_finish;
g_type_class_add_private (klass, sizeof (GdmXdmcpGreeterDisplayPrivate));
-
- dbus_g_object_type_install_info (GDM_TYPE_XDMCP_GREETER_DISPLAY, &dbus_glib_gdm_xdmcp_greeter_display_object_info);
}
static void
@@ -96,6 +115,8 @@ gdm_xdmcp_greeter_display_finalize (GObject *object)
g_return_if_fail (xdmcp_greeter_display->priv != NULL);
+ g_clear_object (&xdmcp_greeter_display->priv->skeleton);
+
G_OBJECT_CLASS (gdm_xdmcp_greeter_display_parent_class)->finalize (object);
}
diff --git a/daemon/xdmcp-chooser-slave-main.c b/daemon/xdmcp-chooser-slave-main.c
index 135e38c..79e2953 100644
--- a/daemon/xdmcp-chooser-slave-main.c
+++ b/daemon/xdmcp-chooser-slave-main.c
@@ -58,8 +58,7 @@ get_system_bus (void)
error = NULL;
bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
if (bus == NULL) {
- g_warning ("Couldn't connect to system bus: %s",
- error->message);
+ g_warning ("Couldn't connect to system bus: %s", error->message);
g_error_free (error);
goto out;
}
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