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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-xlocal.h"
#include "configuration.h"
#include "xserver-local.h"
#include "xsession.h"
#include "vt.h"
G_DEFINE_TYPE (SeatXLocal, seat_xlocal, SEAT_TYPE);
static void
seat_xlocal_setup (Seat *seat)
{
seat_set_can_switch (seat, TRUE);
SEAT_CLASS (seat_xlocal_parent_class)->setup (seat);
}
static DisplayServer *
seat_xlocal_create_display_server (Seat *seat)
{
XServerLocal *xserver;
const gchar *command = NULL, *layout = NULL, *config_file = NULL, *xdmcp_manager = NULL, *key_name = NULL;
gboolean allow_tcp;
gint port = 0;
g_debug ("Starting local X display");
xserver = xserver_local_new ();
/* If running inside an X server use Xephyr instead */
if (g_getenv ("DISPLAY"))
command = "Xephyr";
if (!command)
command = seat_get_string_property (seat, "xserver-command");
if (command)
xserver_local_set_command (xserver, command);
layout = seat_get_string_property (seat, "xserver-layout");
if (layout)
xserver_local_set_layout (xserver, layout);
config_file = seat_get_string_property (seat, "xserver-config");
if (config_file)
xserver_local_set_config (xserver, config_file);
allow_tcp = seat_get_boolean_property (seat, "xserver-allow-tcp");
xserver_local_set_allow_tcp (xserver, allow_tcp);
xdmcp_manager = seat_get_string_property (seat, "xdmcp-manager");
if (xdmcp_manager)
xserver_local_set_xdmcp_server (xserver, xdmcp_manager);
port = seat_get_integer_property (seat, "xdmcp-port");
if (port > 0)
xserver_local_set_xdmcp_port (xserver, port);
key_name = seat_get_string_property (seat, "xdmcp-key");
if (key_name)
{
gchar *dir, *path;
GKeyFile *keys;
gboolean result;
GError *error = NULL;
dir = config_get_string (config_get_instance (), "LightDM", "config-directory");
path = g_build_filename (dir, "keys.conf", NULL);
g_free (dir);
keys = g_key_file_new ();
result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
if (error)
g_debug ("Error getting key %s", error->message);
g_clear_error (&error);
if (result)
{
gchar *key = NULL;
if (g_key_file_has_key (keys, "keyring", key_name, NULL))
key = g_key_file_get_string (keys, "keyring", key_name, NULL);
else
g_debug ("Key %s not defined", key_name);
if (key)
xserver_local_set_xdmcp_key (xserver, key);
g_free (key);
}
g_free (path);
g_key_file_free (keys);
}
return DISPLAY_SERVER (xserver);
}
static Session *
seat_xlocal_create_session (Seat *seat, Display *display)
{
XServerLocal *xserver;
XSession *session;
gchar *tty;
xserver = XSERVER_LOCAL (display_get_display_server (display));
session = xsession_new (XSERVER (xserver));
tty = g_strdup_printf ("/dev/tty%d", xserver_local_get_vt (xserver));
session_set_tty (SESSION (session), tty);
g_free (tty);
return SESSION (session);
}
static void
seat_xlocal_set_active_display (Seat *seat, Display *display)
{
gint number = xserver_local_get_vt (XSERVER_LOCAL (XSERVER (display_get_display_server (display))));
if (number >= 0)
vt_set_active (number);
SEAT_CLASS (seat_xlocal_parent_class)->set_active_display (seat, display);
}
static void
seat_xlocal_run_script (Seat *seat, Display *display, Process *script)
{
gchar *path;
XServerLocal *xserver;
xserver = XSERVER_LOCAL (display_get_display_server (display));
path = xserver_local_get_authority_file_path (xserver);
process_set_env (script, "DISPLAY", xserver_get_address (XSERVER (xserver)));
process_set_env (script, "XAUTHORITY", path);
g_free (path);
SEAT_CLASS (seat_xlocal_parent_class)->run_script (seat, display, script);
}
static void
seat_xlocal_display_removed (Seat *seat, Display *display)
{
if (seat_get_is_stopping (seat))
return;
/* If this is the only display and it failed to start then stop this seat */
if (g_list_length (seat_get_displays (seat)) == 0 && !display_get_is_ready (display))
{
g_debug ("Stopping X local seat, failed to start a display");
seat_stop (seat);
return;
}
/* Show a new greeter */
if (display == seat_get_active_display (seat))
{
g_debug ("Active display stopped, switching to greeter");
seat_switch_to_greeter (seat);
}
}
static void
seat_xlocal_init (SeatXLocal *seat)
{
}
static void
seat_xlocal_class_init (SeatXLocalClass *klass)
{
SeatClass *seat_class = SEAT_CLASS (klass);
seat_class->setup = seat_xlocal_setup;
seat_class->create_display_server = seat_xlocal_create_display_server;
seat_class->create_session = seat_xlocal_create_session;
seat_class->set_active_display = seat_xlocal_set_active_display;
seat_class->run_script = seat_xlocal_run_script;
seat_class->display_removed = seat_xlocal_display_removed;
}
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