mirror of
https://github.com/brl/mutter.git
synced 2024-11-30 20:01:00 -05:00
4300f1f91d
Inhibiting remote access means any current remote access session is terminated, and no new ones can be created, until remote access is uninhibited. The inhibitation is ref counted, meaning there can be more than one inhibitor. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1212
334 lines
10 KiB
C
334 lines
10 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
|
|
|
/*
|
|
* Copyright (C) 2015-2017 Red Hat Inc.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "backends/meta-screen-cast.h"
|
|
|
|
#include <pipewire/pipewire.h>
|
|
|
|
#include "backends/meta-backend-private.h"
|
|
#include "backends/meta-remote-desktop-session.h"
|
|
#include "backends/meta-screen-cast-session.h"
|
|
|
|
#define META_SCREEN_CAST_DBUS_SERVICE "org.gnome.Mutter.ScreenCast"
|
|
#define META_SCREEN_CAST_DBUS_PATH "/org/gnome/Mutter/ScreenCast"
|
|
#define META_SCREEN_CAST_API_VERSION 3
|
|
|
|
struct _MetaScreenCast
|
|
{
|
|
MetaDBusScreenCastSkeleton parent;
|
|
|
|
int dbus_name_id;
|
|
|
|
int inhibit_count;
|
|
|
|
GList *sessions;
|
|
|
|
MetaDbusSessionWatcher *session_watcher;
|
|
MetaBackend *backend;
|
|
};
|
|
|
|
static void
|
|
meta_screen_cast_init_iface (MetaDBusScreenCastIface *iface);
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (MetaScreenCast, meta_screen_cast,
|
|
META_DBUS_TYPE_SCREEN_CAST_SKELETON,
|
|
G_IMPLEMENT_INTERFACE (META_DBUS_TYPE_SCREEN_CAST,
|
|
meta_screen_cast_init_iface))
|
|
|
|
void
|
|
meta_screen_cast_inhibit (MetaScreenCast *screen_cast)
|
|
{
|
|
screen_cast->inhibit_count++;
|
|
if (screen_cast->inhibit_count == 1)
|
|
{
|
|
while (screen_cast->sessions)
|
|
{
|
|
MetaScreenCastSession *session = screen_cast->sessions->data;
|
|
|
|
meta_screen_cast_session_close (session);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
meta_screen_cast_uninhibit (MetaScreenCast *screen_cast)
|
|
{
|
|
g_return_if_fail (screen_cast->inhibit_count > 0);
|
|
|
|
screen_cast->inhibit_count--;
|
|
}
|
|
|
|
GDBusConnection *
|
|
meta_screen_cast_get_connection (MetaScreenCast *screen_cast)
|
|
{
|
|
GDBusInterfaceSkeleton *interface_skeleton =
|
|
G_DBUS_INTERFACE_SKELETON (screen_cast);
|
|
|
|
return g_dbus_interface_skeleton_get_connection (interface_skeleton);
|
|
}
|
|
|
|
MetaBackend *
|
|
meta_screen_cast_get_backend (MetaScreenCast *screen_cast)
|
|
{
|
|
return screen_cast->backend;
|
|
}
|
|
|
|
static gboolean
|
|
register_remote_desktop_screen_cast_session (MetaScreenCastSession *session,
|
|
const char *remote_desktop_session_id,
|
|
GError **error)
|
|
{
|
|
MetaScreenCast *screen_cast =
|
|
meta_screen_cast_session_get_screen_cast (session);
|
|
MetaBackend *backend = meta_screen_cast_get_backend (screen_cast);
|
|
MetaRemoteDesktop *remote_desktop = meta_backend_get_remote_desktop (backend);
|
|
MetaRemoteDesktopSession *remote_desktop_session;
|
|
|
|
remote_desktop_session =
|
|
meta_remote_desktop_get_session (remote_desktop, remote_desktop_session_id);
|
|
if (!remote_desktop_session)
|
|
{
|
|
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
|
|
"No remote desktop session found");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!meta_remote_desktop_session_register_screen_cast (remote_desktop_session,
|
|
session,
|
|
error))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
on_session_closed (MetaScreenCastSession *session,
|
|
MetaScreenCast *screen_cast)
|
|
{
|
|
screen_cast->sessions = g_list_remove (screen_cast->sessions, session);
|
|
}
|
|
|
|
static gboolean
|
|
handle_create_session (MetaDBusScreenCast *skeleton,
|
|
GDBusMethodInvocation *invocation,
|
|
GVariant *properties)
|
|
{
|
|
MetaScreenCast *screen_cast = META_SCREEN_CAST (skeleton);
|
|
const char *peer_name;
|
|
MetaScreenCastSession *session;
|
|
GError *error = NULL;
|
|
const char *session_path;
|
|
const char *client_dbus_name;
|
|
char *remote_desktop_session_id = NULL;
|
|
gboolean disable_animations;
|
|
MetaScreenCastSessionType session_type;
|
|
|
|
if (screen_cast->inhibit_count > 0)
|
|
{
|
|
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
|
|
G_DBUS_ERROR_ACCESS_DENIED,
|
|
"Session creation inhibited");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
g_variant_lookup (properties, "remote-desktop-session-id", "s",
|
|
&remote_desktop_session_id);
|
|
|
|
if (remote_desktop_session_id)
|
|
session_type = META_SCREEN_CAST_SESSION_TYPE_REMOTE_DESKTOP;
|
|
else
|
|
session_type = META_SCREEN_CAST_SESSION_TYPE_NORMAL;
|
|
|
|
peer_name = g_dbus_method_invocation_get_sender (invocation);
|
|
session = meta_screen_cast_session_new (screen_cast,
|
|
session_type,
|
|
peer_name,
|
|
&error);
|
|
if (!session)
|
|
{
|
|
g_warning ("Failed to create screen cast session: %s",
|
|
error->message);
|
|
|
|
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
|
|
G_DBUS_ERROR_FAILED,
|
|
"Failed to create session: %s",
|
|
error->message);
|
|
g_error_free (error);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
if (remote_desktop_session_id)
|
|
{
|
|
if (!register_remote_desktop_screen_cast_session (session,
|
|
remote_desktop_session_id,
|
|
&error))
|
|
{
|
|
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
|
|
G_DBUS_ERROR_FAILED,
|
|
"%s", error->message);
|
|
g_error_free (error);
|
|
g_object_unref (session);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if (g_variant_lookup (properties, "disable-animations", "b",
|
|
&disable_animations))
|
|
{
|
|
meta_screen_cast_session_set_disable_animations (session,
|
|
disable_animations);
|
|
}
|
|
|
|
client_dbus_name = g_dbus_method_invocation_get_sender (invocation);
|
|
meta_dbus_session_watcher_watch_session (screen_cast->session_watcher,
|
|
client_dbus_name,
|
|
META_DBUS_SESSION (session));
|
|
|
|
session_path = meta_screen_cast_session_get_object_path (session);
|
|
meta_dbus_screen_cast_complete_create_session (skeleton,
|
|
invocation,
|
|
session_path);
|
|
|
|
screen_cast->sessions = g_list_append (screen_cast->sessions, session);
|
|
|
|
g_signal_connect (session, "session-closed",
|
|
G_CALLBACK (on_session_closed),
|
|
screen_cast);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
meta_screen_cast_init_iface (MetaDBusScreenCastIface *iface)
|
|
{
|
|
iface->handle_create_session = handle_create_session;
|
|
}
|
|
|
|
static void
|
|
on_bus_acquired (GDBusConnection *connection,
|
|
const char *name,
|
|
gpointer user_data)
|
|
{
|
|
MetaScreenCast *screen_cast = user_data;
|
|
GDBusInterfaceSkeleton *interface_skeleton =
|
|
G_DBUS_INTERFACE_SKELETON (screen_cast);
|
|
GError *error = NULL;
|
|
|
|
if (!g_dbus_interface_skeleton_export (interface_skeleton,
|
|
connection,
|
|
META_SCREEN_CAST_DBUS_PATH,
|
|
&error))
|
|
g_warning ("Failed to export remote desktop object: %s\n", error->message);
|
|
}
|
|
|
|
static void
|
|
on_name_acquired (GDBusConnection *connection,
|
|
const char *name,
|
|
gpointer user_data)
|
|
{
|
|
g_info ("Acquired name %s\n", name);
|
|
}
|
|
|
|
static void
|
|
on_name_lost (GDBusConnection *connection,
|
|
const char *name,
|
|
gpointer user_data)
|
|
{
|
|
g_warning ("Lost or failed to acquire name %s\n", name);
|
|
}
|
|
|
|
static void
|
|
meta_screen_cast_constructed (GObject *object)
|
|
{
|
|
MetaScreenCast *screen_cast = META_SCREEN_CAST (object);
|
|
|
|
screen_cast->dbus_name_id =
|
|
g_bus_own_name (G_BUS_TYPE_SESSION,
|
|
META_SCREEN_CAST_DBUS_SERVICE,
|
|
G_BUS_NAME_OWNER_FLAGS_NONE,
|
|
on_bus_acquired,
|
|
on_name_acquired,
|
|
on_name_lost,
|
|
screen_cast,
|
|
NULL);
|
|
}
|
|
|
|
static void
|
|
meta_screen_cast_finalize (GObject *object)
|
|
{
|
|
MetaScreenCast *screen_cast = META_SCREEN_CAST (object);
|
|
|
|
if (screen_cast->dbus_name_id)
|
|
g_bus_unown_name (screen_cast->dbus_name_id);
|
|
|
|
while (screen_cast->sessions)
|
|
{
|
|
MetaScreenCastSession *session = screen_cast->sessions->data;
|
|
|
|
meta_screen_cast_session_close (session);
|
|
}
|
|
|
|
G_OBJECT_CLASS (meta_screen_cast_parent_class)->finalize (object);
|
|
}
|
|
|
|
MetaScreenCast *
|
|
meta_screen_cast_new (MetaBackend *backend,
|
|
MetaDbusSessionWatcher *session_watcher)
|
|
{
|
|
MetaScreenCast *screen_cast;
|
|
|
|
screen_cast = g_object_new (META_TYPE_SCREEN_CAST, NULL);
|
|
screen_cast->backend = backend;
|
|
screen_cast->session_watcher = session_watcher;
|
|
|
|
return screen_cast;
|
|
}
|
|
|
|
|
|
static void
|
|
meta_screen_cast_init (MetaScreenCast *screen_cast)
|
|
{
|
|
static gboolean is_pipewire_initialized = FALSE;
|
|
|
|
if (!is_pipewire_initialized)
|
|
{
|
|
pw_init (NULL, NULL);
|
|
is_pipewire_initialized = TRUE;
|
|
}
|
|
|
|
meta_dbus_screen_cast_set_version (META_DBUS_SCREEN_CAST (screen_cast),
|
|
META_SCREEN_CAST_API_VERSION);
|
|
}
|
|
|
|
static void
|
|
meta_screen_cast_class_init (MetaScreenCastClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
object_class->constructed = meta_screen_cast_constructed;
|
|
object_class->finalize = meta_screen_cast_finalize;
|
|
}
|