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/*
* Copyright (C) 2010-2011 Robert Ancell.
* Author: Robert Ancell <robert.ancell@canonical.com>
*
* 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 3 of the License, or (at your option) any later
* version. See http://www.gnu.org/copyleft/gpl.html the full text of the
* license.
*/
#include <string.h>
#include "seat-xvnc.h"
#include "x-server-xvnc.h"
#include "configuration.h"
typedef struct
{
/* VNC connection */
GSocket *connection;
/* X server using VNC connection */
XServerXVNC *x_server;
} SeatXVNCPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (SeatXVNC, seat_xvnc, SEAT_TYPE)
SeatXVNC *seat_xvnc_new (GSocket *connection)
{
SeatXVNC *seat = g_object_new (SEAT_XVNC_TYPE, NULL);
SeatXVNCPrivate *priv = seat_xvnc_get_instance_private (seat);
priv->connection = g_object_ref (connection);
return seat;
}
static gboolean
seat_xvnc_start (Seat *seat)
{
seat_set_supports_multi_session (seat, FALSE);
return SEAT_CLASS (seat_xvnc_parent_class)->start (seat);
}
static DisplayServer *
seat_xvnc_create_display_server (Seat *seat, Session *session)
{
SeatXVNCPrivate *priv = seat_xvnc_get_instance_private (SEAT_XVNC (seat));
if (strcmp (session_get_session_type (session), "x") != 0)
return NULL;
/* Can only create one server for the lifetime of this seat (can't re-use VNC connection) */
if (priv->x_server)
return NULL;
g_autoptr(XServerXVNC) x_server = x_server_xvnc_new ();
priv->x_server = g_object_ref (x_server);
x_server_set_local_authority (X_SERVER (x_server));
x_server_xvnc_set_socket (x_server, g_socket_get_fd (priv->connection));
const gchar *command = config_get_string (config_get_instance (), "VNCServer", "command");
if (command)
x_server_local_set_command (X_SERVER_LOCAL (x_server), command);
if (config_has_key (config_get_instance (), "VNCServer", "width") &&
config_has_key (config_get_instance (), "VNCServer", "height"))
{
gint width, height;
width = config_get_integer (config_get_instance (), "VNCServer", "width");
height = config_get_integer (config_get_instance (), "VNCServer", "height");
if (height > 0 && width > 0)
x_server_xvnc_set_geometry (x_server, width, height);
}
if (config_has_key (config_get_instance (), "VNCServer", "depth"))
{
gint depth;
depth = config_get_integer (config_get_instance (), "VNCServer", "depth");
if (depth == 8 || depth == 16 || depth == 24 || depth == 32)
x_server_xvnc_set_depth (x_server, depth);
}
return DISPLAY_SERVER (g_steal_pointer (&x_server));
}
static void
seat_xvnc_run_script (Seat *seat, DisplayServer *display_server, Process *script)
{
SeatXVNCPrivate *priv = seat_xvnc_get_instance_private (SEAT_XVNC (seat));
XServerXVNC *x_server = X_SERVER_XVNC (display_server);
GInetSocketAddress *address = G_INET_SOCKET_ADDRESS (g_socket_get_remote_address (priv->connection, NULL));
g_autofree gchar *hostname = g_inet_address_to_string (g_inet_socket_address_get_address (address));
const gchar *path = x_server_local_get_authority_file_path (X_SERVER_LOCAL (x_server));
process_set_env (script, "REMOTE_HOST", hostname);
process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server)));
process_set_env (script, "XAUTHORITY", path);
SEAT_CLASS (seat_xvnc_parent_class)->run_script (seat, display_server, script);
}
static void
seat_xvnc_init (SeatXVNC *seat)
{
}
static void
seat_xvnc_session_finalize (GObject *object)
{
SeatXVNC *self = SEAT_XVNC (object);
SeatXVNCPrivate *priv = seat_xvnc_get_instance_private (self);
g_clear_object (&priv->connection);
g_clear_object (&priv->x_server);
G_OBJECT_CLASS (seat_xvnc_parent_class)->finalize (object);
}
static void
seat_xvnc_class_init (SeatXVNCClass *klass)
{
SeatClass *seat_class = SEAT_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
seat_class->start = seat_xvnc_start;
seat_class->create_display_server = seat_xvnc_create_display_server;
seat_class->run_script = seat_xvnc_run_script;
object_class->finalize = seat_xvnc_session_finalize;
}
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