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b54066842b4bc6fd39e515dcc6b1fc4caa35f79f
grd/grd-daemon-handover.c
Morgan J. b54066842b .
2026-02-13 13:06:50 +09:00

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/*
* Copyright (C) 2023 SUSE Software Solutions Germany GmbH
*
* 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., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Joan Torres <joan.torres@suse.com>
*/
#include "config.h"
#include "grd-daemon-handover.h"
#include <gio/gunixfdlist.h>
#include <glib/gi18n.h>
#include <unistd.h>
#include "grd-context.h"
#include "grd-daemon.h"
#include "grd-daemon-utils.h"
#include "grd-dbus-remote-desktop.h"
#include "grd-private.h"
#include "grd-prompt.h"
#include "grd-rdp-server.h"
#include "grd-session-rdp.h"
#include "grd-settings.h"
#include "grd-shell-dialog.h"
struct _GrdDaemonHandover
{
GrdDaemon parent;
GrdDBusRemoteDesktopRdpDispatcher *remote_desktop_dispatcher;
GrdDBusRemoteDesktopRdpHandover *remote_desktop_handover;
GDBusObjectManager *handover_object_manager;
GrdSession *session;
gboolean use_system_credentials;
GrdPrompt *prompt;
GCancellable *prompt_cancellable;
GrdShellDialog *dialog;
unsigned int gnome_remote_desktop_watch_name_id;
};
G_DEFINE_TYPE (GrdDaemonHandover, grd_daemon_handover, GRD_TYPE_DAEMON)
static void
on_remote_desktop_rdp_dispatcher_handover_requested (GObject *object,
GAsyncResult *result,
gpointer user_data);
static gboolean
grd_daemon_handover_is_ready (GrdDaemon *daemon)
{
GrdContext *context = grd_daemon_get_context (daemon);
if (!grd_context_get_mutter_remote_desktop_proxy (context) ||
!grd_context_get_mutter_screen_cast_proxy (context) ||
!GRD_DAEMON_HANDOVER (daemon)->remote_desktop_handover)
return FALSE;
return TRUE;
}
static void
on_take_client_finished (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
int fd;
int fd_idx = -1;
g_autoptr (GError) error = NULL;
g_autoptr (GSocket) socket = NULL;
g_autoptr (GVariant) fd_variant = NULL;
g_autoptr (GUnixFDList) fd_list = NULL;
GrdDBusRemoteDesktopRdpHandover *proxy;
GrdDaemonHandover *daemon_handover;
GrdRdpServer *rdp_server;
GSocketConnection *socket_connection;
proxy = GRD_DBUS_REMOTE_DESKTOP_RDP_HANDOVER (object);
if (!grd_dbus_remote_desktop_rdp_handover_call_take_client_finish (
proxy, &fd_variant, &fd_list, result, &error))
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
g_warning ("[DaemonHandover] An error occurred while calling "
"TakeClient: %s", error->message);
return;
}
g_variant_get (fd_variant, "h", &fd_idx);
if (!G_IS_UNIX_FD_LIST (fd_list) ||
fd_idx < 0 || fd_idx >= g_unix_fd_list_get_length (fd_list))
{
g_warning ("Failed to acquire file descriptor: The fd list or fd index "
"is invalid");
return;
}
fd = g_unix_fd_list_get (fd_list, fd_idx, &error);
if (fd == -1)
{
g_warning ("[DaemonHandover] Failed to acquire file descriptor: %s",
error->message);
return;
}
socket = g_socket_new_from_fd (fd, &error);
if (!socket)
{
g_warning ("[DaemonHandover] Failed to create socket from fd: %s",
error->message);
return;
}
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
rdp_server = grd_daemon_get_rdp_server (GRD_DAEMON (daemon_handover));
socket_connection = g_socket_connection_factory_create_connection (socket);
grd_rdp_server_notify_incoming (G_SOCKET_SERVICE (rdp_server),
socket_connection);
}
static void
on_get_system_credentials_finished (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GrdDBusRemoteDesktopRdpHandover *remote_desktop_handover;
g_autoptr (GError) error = NULL;
g_autofree char *username = NULL;
g_autofree char *password = NULL;
GrdDaemonHandover *daemon_handover;
GrdContext *context;
GrdSettings *settings;
GCancellable *cancellable;
const char* object_path;
remote_desktop_handover = GRD_DBUS_REMOTE_DESKTOP_RDP_HANDOVER (object);
if (!grd_dbus_remote_desktop_rdp_handover_call_get_system_credentials_finish (
remote_desktop_handover,
&username,
&password,
result,
&error))
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
g_warning ("[DaemonHandover] Failed to get system credentials: %s",
error->message);
return;
}
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
context = grd_daemon_get_context (GRD_DAEMON (daemon_handover));
settings = grd_context_get_settings (context);
if (!grd_settings_set_rdp_credentials (settings, username, password, &error))
{
g_warning ("[DaemonHanodver] Failed to overwrite credentials: %s",
error->message);
return;
}
object_path =
g_dbus_proxy_get_object_path (G_DBUS_PROXY (remote_desktop_handover));
g_debug ("[DaemonHandover] At: %s, calling TakeClient", object_path);
cancellable = grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
grd_dbus_remote_desktop_rdp_handover_call_take_client (
remote_desktop_handover,
NULL,
cancellable,
on_take_client_finished,
daemon_handover);
}
static void
on_take_client_ready (GrdDBusRemoteDesktopRdpHandover *interface,
gboolean use_system_credentials,
GrdDaemonHandover *daemon_handover)
{
GCancellable *cancellable =
grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
const char* object_path;
object_path = g_dbus_proxy_get_object_path (G_DBUS_PROXY (interface));
g_debug ("[DaemonHandover] At: %s, received TakeClientReady signal",
object_path);
daemon_handover->use_system_credentials = use_system_credentials;
if (use_system_credentials)
{
g_debug ("[DaemonHandover] At: %s, calling GetSystemCredentials",
object_path);
grd_dbus_remote_desktop_rdp_handover_call_get_system_credentials (
interface,
cancellable,
on_get_system_credentials_finished,
daemon_handover);
return;
}
g_debug ("[DaemonHandover] At: %s, calling TakeClient", object_path);
grd_dbus_remote_desktop_rdp_handover_call_take_client (
interface,
NULL,
cancellable,
on_take_client_finished,
daemon_handover);
}
static void
on_start_handover_finished (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GrdDBusRemoteDesktopRdpHandover *proxy;
g_autofree char *certificate = NULL;
g_autofree char *key = NULL;
g_autoptr (GError) error = NULL;
GrdDaemonHandover *daemon_handover;
GrdContext *context;
GrdSettings *settings;
proxy = GRD_DBUS_REMOTE_DESKTOP_RDP_HANDOVER (object);
if (!grd_dbus_remote_desktop_rdp_handover_call_start_handover_finish (
proxy, &certificate, &key, result, &error))
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
g_warning ("[DaemonHandover] Failed to start handover: %s",
error->message);
return;
}
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
context = grd_daemon_get_context (GRD_DAEMON (daemon_handover));
settings = grd_context_get_settings (context);
g_object_set (G_OBJECT (settings),
"rdp-server-cert", certificate,
"rdp-server-key", key,
NULL);
}
static void
start_handover (GrdDaemonHandover *daemon_handover)
{
GrdDaemon *daemon = GRD_DAEMON (daemon_handover);
GrdContext *context = grd_daemon_get_context (daemon);
GrdSettings *settings = grd_context_get_settings (context);
GCancellable *cancellable = grd_daemon_get_cancellable (daemon);
g_autofree char *username = NULL;
g_autofree char *password = NULL;
const char *object_path;
if (!grd_settings_get_rdp_credentials (settings,
&username, &password,
NULL))
g_assert_not_reached ();
object_path = g_dbus_proxy_get_object_path (
G_DBUS_PROXY (daemon_handover->remote_desktop_handover));
g_debug ("[DaemonHandover] At: %s, calling StartHandover", object_path);
grd_dbus_remote_desktop_rdp_handover_call_start_handover (
daemon_handover->remote_desktop_handover,
username,
password,
cancellable,
on_start_handover_finished,
daemon_handover);
}
static void
on_session_stopped (GrdSession *session,
GrdDaemonHandover *daemon_handover)
{
if (grd_is_remote_login ())
grd_session_manager_call_logout_sync ();
daemon_handover->session = NULL;
}
static gboolean
show_insecure_connection_dialog (GrdDaemonHandover *daemon_handover)
{
GCancellable *cancellable =
grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
g_assert (!daemon_handover->dialog);
daemon_handover->dialog = grd_shell_dialog_new (cancellable);
if (!daemon_handover->dialog)
return FALSE;
g_signal_connect_swapped (daemon_handover->dialog, "cancelled",
G_CALLBACK (grd_session_stop),
daemon_handover->session);
grd_shell_dialog_open (daemon_handover->dialog,
_("Continue With Insecure Connection?"),
/* Translators: Don't translate “use redirection server name:i:1”.
* It's a menu option, and it's the same for all languages. */
_("This Remote Desktop connection is insecure. "
"To secure this connection, enable RDSTLS Security "
"in your client by saving the connection settings "
"in your client as an RDP file and set "
"“use redirection server name:i:1” in it."),
_("Disconnect"),
_("Continue"));
return TRUE;
}
static void
prompt_response_callback (GObject *source_object,
GAsyncResult *async_result,
gpointer user_data)
{
GrdDaemonHandover *daemon_handover;
g_autoptr (GError) error = NULL;
GrdPromptResponse response;
if (!grd_prompt_query_finish (GRD_PROMPT (source_object),
async_result,
&response,
&error))
{
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
{
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
g_warning ("Failed to query user about session: %s", error->message);
grd_session_stop (daemon_handover->session);
}
return;
}
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
switch (response)
{
case GRD_PROMPT_RESPONSE_ACCEPT:
return;
case GRD_PROMPT_RESPONSE_CANCEL:
grd_session_stop (daemon_handover->session);
return;
}
g_assert_not_reached ();
}
static void
show_insecure_connection_prompt (GrdDaemonHandover *daemon_handover)
{
g_autoptr (GrdPromptDefinition) prompt_definition = NULL;
g_assert (!daemon_handover->prompt);
daemon_handover->prompt = g_object_new (GRD_TYPE_PROMPT, NULL);
daemon_handover->prompt_cancellable = g_cancellable_new ();
prompt_definition = g_new0 (GrdPromptDefinition, 1);
prompt_definition->summary =
g_strdup_printf (_("Continue With Insecure Connection?"));
prompt_definition->body =
/* Translators: Don't translate “use redirection server name:i:1”.
* It's a menu option, and it's the same for all languages. */
g_strdup_printf (_("This Remote Desktop connection is insecure. "
"To secure this connection, enable RDSTLS Security "
"in your client by saving the connection settings "
"in your client as an RDP file and set "
"“use redirection server name:i:1” in it."));
prompt_definition->cancel_label = g_strdup_printf (_("Disconnect"));
prompt_definition->accept_label = g_strdup_printf (_("Continue"));
grd_prompt_query_async (daemon_handover->prompt,
prompt_definition,
daemon_handover->prompt_cancellable,
prompt_response_callback,
daemon_handover);
}
static void
inform_about_insecure_connection (GrdDaemonHandover *daemon_handover)
{
gboolean could_display_dialog;
could_display_dialog = show_insecure_connection_dialog (daemon_handover);
if (!could_display_dialog)
show_insecure_connection_prompt (daemon_handover);
}
static void
on_redirect_client (GrdDBusRemoteDesktopRdpHandover *interface,
const char *routing_token,
const char *username,
const char *password,
GrdDaemonHandover *daemon_handover)
{
const char *object_path =
g_dbus_proxy_get_object_path (G_DBUS_PROXY (interface));
GrdContext *context = grd_daemon_get_context (GRD_DAEMON (daemon_handover));
GrdSettings *settings = grd_context_get_settings (context);
GrdSessionRdp *session_rdp = GRD_SESSION_RDP (daemon_handover->session);
g_autofree char *certificate = NULL;
g_debug ("[DaemonHandover] At: %s, received RedirectClient signal",
object_path);
g_object_get (G_OBJECT (settings),
"rdp-server-cert", &certificate,
NULL);
if (!grd_session_rdp_send_server_redirection (session_rdp, routing_token,
username, password,
certificate))
grd_session_stop (daemon_handover->session);
}
static void
on_handover_is_waiting_changed (GrdDBusRemoteDesktopRdpHandover *proxy,
GParamSpec *pspec,
GrdDaemonHandover *daemon_handover)
{
gboolean handover_is_waiting;
handover_is_waiting =
grd_dbus_remote_desktop_rdp_handover_get_handover_is_waiting (
daemon_handover->remote_desktop_handover);
if (!handover_is_waiting)
return;
start_handover (daemon_handover);
}
static void
on_incoming_new_connection (GrdRdpServer *rdp_server,
GrdSession *session,
GrdDaemonHandover *daemon_handover)
{
GrdContext *context = grd_daemon_get_context (GRD_DAEMON (daemon_handover));
GrdSettings *settings = grd_context_get_settings (context);
if (daemon_handover->session)
{
g_signal_handlers_disconnect_by_func (daemon_handover->session,
G_CALLBACK (on_session_stopped),
daemon_handover);
grd_session_stop (daemon_handover->session);
}
g_signal_connect (session, "stopped",
G_CALLBACK (on_session_stopped),
daemon_handover);
daemon_handover->session = session;
grd_settings_recreate_rdp_credentials (settings);
if (daemon_handover->use_system_credentials && grd_is_remote_login ())
inform_about_insecure_connection (daemon_handover);
}
static void
setup_handover (GrdDaemonHandover *daemon_handover)
{
GrdRdpServer *rdp_server;
gboolean handover_is_waiting;
if (!daemon_handover->remote_desktop_handover)
return;
rdp_server = grd_daemon_get_rdp_server (GRD_DAEMON (daemon_handover));
if (!rdp_server)
return;
g_signal_connect (daemon_handover->remote_desktop_handover, "take-client-ready",
G_CALLBACK (on_take_client_ready), daemon_handover);
g_signal_connect (daemon_handover->remote_desktop_handover, "redirect-client",
G_CALLBACK (on_redirect_client), daemon_handover);
g_signal_connect (daemon_handover->remote_desktop_handover, "notify::handover-is-waiting",
G_CALLBACK (on_handover_is_waiting_changed), daemon_handover);
g_signal_connect (rdp_server, "incoming-new-connection",
G_CALLBACK (on_incoming_new_connection), daemon_handover);
handover_is_waiting = grd_dbus_remote_desktop_rdp_handover_get_handover_is_waiting (
daemon_handover->remote_desktop_handover);
if (handover_is_waiting)
start_handover (daemon_handover);
}
static void
teardown_handover (GrdDaemonHandover *daemon_handover)
{
GrdRdpServer *rdp_server =
grd_daemon_get_rdp_server (GRD_DAEMON (daemon_handover));
if (daemon_handover->remote_desktop_handover)
{
g_signal_handlers_disconnect_by_func (daemon_handover->remote_desktop_handover,
G_CALLBACK (on_take_client_ready),
daemon_handover);
g_signal_handlers_disconnect_by_func (daemon_handover->remote_desktop_handover,
G_CALLBACK (on_redirect_client),
daemon_handover);
g_signal_handlers_disconnect_by_func (daemon_handover->remote_desktop_handover,
G_CALLBACK (on_handover_is_waiting_changed),
daemon_handover);
}
if (rdp_server)
{
g_signal_handlers_disconnect_by_func (rdp_server,
G_CALLBACK (on_incoming_new_connection),
daemon_handover);
}
}
static void
on_rdp_server_started (GrdDaemonHandover *daemon_handover)
{
setup_handover (daemon_handover);
}
static void
on_rdp_server_stopped (GrdDaemonHandover *daemon_handover)
{
teardown_handover (daemon_handover);
}
static void
on_handover_object_added (GDBusObjectManager *manager,
GDBusObject *object,
GrdDaemonHandover *daemon_handover)
{
g_autofree char *session_id = NULL;
g_autofree char *expected_object_path = NULL;
const char *object_path;
GCancellable *cancellable;
session_id = grd_get_session_id_from_pid (getpid ());
if (!session_id)
{
g_warning ("[DaemonHandover] Could not get session id");
return;
}
expected_object_path = g_strdup_printf ("%s/session%s",
REMOTE_DESKTOP_HANDOVERS_OBJECT_PATH,
session_id);
object_path = g_dbus_object_get_object_path (object);
if (g_strcmp0 (object_path, expected_object_path) != 0)
{
g_debug ("[DaemonHandover] Ignoring handover object at: %s, "
"expected: %s", object_path, expected_object_path);
return;
}
cancellable = grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
grd_dbus_remote_desktop_rdp_dispatcher_call_request_handover (
daemon_handover->remote_desktop_dispatcher,
cancellable,
on_remote_desktop_rdp_dispatcher_handover_requested,
daemon_handover);
}
static void
on_handover_object_manager_acquired (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr (GDBusObjectManager) manager = NULL;
g_autoptr (GError) error = NULL;
GrdDaemonHandover *daemon_handover;
manager =
grd_dbus_remote_desktop_object_manager_client_new_for_bus_finish (result,
&error);
if (!manager)
{
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
g_warning ("[DaemonHandover] Failed to create handover object manager: %s",
error->message);
return;
}
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
daemon_handover->handover_object_manager = g_steal_pointer (&manager);
g_debug ("[DaemonHandover] Watching handover objects");
g_signal_connect (daemon_handover->handover_object_manager, "object-added",
G_CALLBACK (on_handover_object_added), daemon_handover);
}
static void
start_watching_handover_objects (GrdDaemonHandover *daemon_handover)
{
GCancellable *cancellable;
if (daemon_handover->handover_object_manager)
return;
cancellable = grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
grd_dbus_remote_desktop_object_manager_client_new_for_bus (
G_BUS_TYPE_SYSTEM,
G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_DO_NOT_AUTO_START,
REMOTE_DESKTOP_BUS_NAME,
REMOTE_DESKTOP_HANDOVERS_OBJECT_PATH,
cancellable,
on_handover_object_manager_acquired,
daemon_handover);
}
static void
stop_watching_handover_objects (GrdDaemonHandover *daemon_handover)
{
if (!daemon_handover->handover_object_manager)
return;
g_signal_handlers_disconnect_by_func (daemon_handover->handover_object_manager,
G_CALLBACK (on_handover_object_added),
daemon_handover);
g_clear_object (&daemon_handover->handover_object_manager);
}
static void
on_remote_desktop_rdp_handover_proxy_acquired (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GrdDaemonHandover *daemon_handover;
g_autoptr (GrdDBusRemoteDesktopRdpHandover) proxy = NULL;
g_autoptr (GError) error = NULL;
proxy =
grd_dbus_remote_desktop_rdp_handover_proxy_new_for_bus_finish (result,
&error);
if (!proxy)
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
g_warning ("[DaemonHandover] Failed to create remote desktop handover "
"proxy: %s", error->message);
return;
}
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
stop_watching_handover_objects (daemon_handover);
daemon_handover->remote_desktop_handover = g_steal_pointer (&proxy);
setup_handover (daemon_handover);
grd_daemon_maybe_enable_services (GRD_DAEMON (daemon_handover));
}
static void
on_remote_desktop_rdp_dispatcher_handover_requested (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GrdDBusRemoteDesktopRdpDispatcher *remote_desktop_dispatcher;
g_autofree char *object_path = NULL;
g_autoptr (GError) error = NULL;
GrdDaemonHandover *daemon_handover;
GCancellable *cancellable;
gboolean success;
remote_desktop_dispatcher = GRD_DBUS_REMOTE_DESKTOP_RDP_DISPATCHER (object);
success =
grd_dbus_remote_desktop_rdp_dispatcher_call_request_handover_finish (
remote_desktop_dispatcher,
&object_path,
result,
&error);
if (!success)
{
if (g_error_matches (error, GRD_DBUS_ERROR, GRD_DBUS_ERROR_NO_HANDOVER))
{
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
start_watching_handover_objects (daemon_handover);
}
else if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
{
g_warning ("[DaemonHandover] Failed to request remote desktop "
"handover: %s", error->message);
}
return;
}
g_debug ("[DaemonHandover] Using: %s, from dispatcher request",
object_path);
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
cancellable = grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
grd_dbus_remote_desktop_rdp_handover_proxy_new_for_bus (
G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
REMOTE_DESKTOP_BUS_NAME,
object_path,
cancellable,
on_remote_desktop_rdp_handover_proxy_acquired,
daemon_handover);
}
static void
on_remote_desktop_rdp_dispatcher_proxy_acquired (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr (GrdDBusRemoteDesktopRdpDispatcher) proxy = NULL;
g_autoptr (GError) error = NULL;
GrdDaemonHandover *daemon_handover;
GCancellable *cancellable;
proxy =
grd_dbus_remote_desktop_rdp_dispatcher_proxy_new_finish (result, &error);
if (!proxy)
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
g_warning ("[DaemonHandover] Failed to create remote desktop "
"dispatcher proxy: %s", error->message);
return;
}
daemon_handover = GRD_DAEMON_HANDOVER (user_data);
g_assert (!daemon_handover->remote_desktop_dispatcher);
daemon_handover->remote_desktop_dispatcher = g_steal_pointer (&proxy);
cancellable = grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
grd_dbus_remote_desktop_rdp_dispatcher_call_request_handover (
daemon_handover->remote_desktop_dispatcher,
cancellable,
on_remote_desktop_rdp_dispatcher_handover_requested,
daemon_handover);
}
static void
on_gnome_remote_desktop_name_appeared (GDBusConnection *connection,
const char *name,
const char *name_owner,
gpointer user_data)
{
GrdDaemonHandover *daemon_handover = user_data;
GCancellable *cancellable =
grd_daemon_get_cancellable (GRD_DAEMON (daemon_handover));
g_debug ("[DaemonHandover] %s name appeared", name);
grd_dbus_remote_desktop_rdp_dispatcher_proxy_new (
connection,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
REMOTE_DESKTOP_BUS_NAME,
REMOTE_DESKTOP_DISPATCHER_OBJECT_PATH,
cancellable,
on_remote_desktop_rdp_dispatcher_proxy_acquired,
daemon_handover);
}
static void
on_gnome_remote_desktop_name_vanished (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
GrdDaemonHandover *daemon_handover = user_data;
g_warning ("[DaemonHandover] %s name vanished", name);
teardown_handover (daemon_handover);
g_clear_object (&daemon_handover->remote_desktop_handover);
g_clear_object (&daemon_handover->remote_desktop_dispatcher);
stop_watching_handover_objects (daemon_handover);
if (grd_is_remote_login ())
grd_session_manager_call_logout_sync ();
}
GrdDaemonHandover *
grd_daemon_handover_new (GError **error)
{
GrdContext *context;
context = grd_context_new (GRD_RUNTIME_MODE_HANDOVER, error);
if (!context)
return NULL;
return g_object_new (GRD_TYPE_DAEMON_HANDOVER,
"application-id", GRD_DAEMON_HANDOVER_APPLICATION_ID,
"flags", G_APPLICATION_IS_SERVICE,
"context", context,
NULL);
}
static void
grd_daemon_handover_init (GrdDaemonHandover *daemon_handover)
{
}
static void
grd_daemon_handover_startup (GApplication *app)
{
GrdDaemonHandover *daemon_handover = GRD_DAEMON_HANDOVER (app);
grd_daemon_acquire_mutter_dbus_proxies (GRD_DAEMON (daemon_handover));
g_signal_connect (daemon_handover, "mutter-proxy-acquired",
G_CALLBACK (grd_daemon_maybe_enable_services), NULL);
daemon_handover->gnome_remote_desktop_watch_name_id =
g_bus_watch_name (G_BUS_TYPE_SYSTEM,
REMOTE_DESKTOP_BUS_NAME,
G_BUS_NAME_WATCHER_FLAGS_NONE,
on_gnome_remote_desktop_name_appeared,
on_gnome_remote_desktop_name_vanished,
daemon_handover, NULL);
g_signal_connect (daemon_handover, "rdp-server-started",
G_CALLBACK (on_rdp_server_started), NULL);
g_signal_connect (daemon_handover, "rdp-server-stopped",
G_CALLBACK (on_rdp_server_stopped), NULL);
G_APPLICATION_CLASS (grd_daemon_handover_parent_class)->startup (app);
}
static void
grd_daemon_handover_shutdown (GApplication *app)
{
GrdDaemonHandover *daemon_handover = GRD_DAEMON_HANDOVER (app);
GrdDaemon *daemon = GRD_DAEMON (daemon_handover);
g_cancellable_cancel (grd_daemon_get_cancellable (daemon));
g_clear_object (&daemon_handover->remote_desktop_handover);
g_clear_object (&daemon_handover->remote_desktop_dispatcher);
stop_watching_handover_objects (daemon_handover);
g_clear_handle_id (&daemon_handover->gnome_remote_desktop_watch_name_id,
g_bus_unwatch_name);
if (daemon_handover->prompt_cancellable)
{
g_cancellable_cancel (daemon_handover->prompt_cancellable);
g_clear_object (&daemon_handover->prompt_cancellable);
}
g_clear_object (&daemon_handover->prompt);
g_clear_object (&daemon_handover->dialog);
G_APPLICATION_CLASS (grd_daemon_handover_parent_class)->shutdown (app);
}
static void
grd_daemon_handover_class_init (GrdDaemonHandoverClass *klass)
{
GApplicationClass *g_application_class = G_APPLICATION_CLASS (klass);
GrdDaemonClass *daemon_class = GRD_DAEMON_CLASS (klass);
g_application_class->startup = grd_daemon_handover_startup;
g_application_class->shutdown = grd_daemon_handover_shutdown;
daemon_class->is_daemon_ready = grd_daemon_handover_is_ready;
}
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