2 * Copyright (C) 2010-2011 Robert Ancell.
3 * Author: Robert Ancell <robert.ancell@canonical.com>
5 * This program is free software: you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free Software
7 * Foundation, either version 3 of the License, or (at your option) any later
8 * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
17 #include "configuration.h"
21 /* Host running the server */
24 /* Cached server address */
28 XAuthority *authority;
30 /* Connection to this X server */
31 xcb_connection_t *connection;
34 G_DEFINE_TYPE (XServer, x_server, DISPLAY_SERVER_TYPE);
37 x_server_set_hostname (XServer *server, const gchar *hostname)
39 g_return_if_fail (server != NULL);
40 g_free (server->priv->hostname);
41 server->priv->hostname = g_strdup (hostname);
42 g_free (server->priv->address);
43 server->priv->address = NULL;
47 x_server_get_hostname (XServer *server)
49 g_return_val_if_fail (server != NULL, NULL);
50 return server->priv->hostname;
54 x_server_get_display_number (XServer *server)
56 g_return_val_if_fail (server != NULL, 0);
57 return X_SERVER_GET_CLASS (server)->get_display_number (server);
61 x_server_get_address (XServer *server)
63 g_return_val_if_fail (server != NULL, NULL);
65 if (!server->priv->address)
67 if (server->priv->hostname)
68 server->priv->address = g_strdup_printf("%s:%d", server->priv->hostname, x_server_get_display_number (server));
70 server->priv->address = g_strdup_printf(":%d", x_server_get_display_number (server));
73 return server->priv->address;
77 x_server_set_authority (XServer *server, XAuthority *authority)
79 g_return_if_fail (server != NULL);
81 g_clear_object (&server->priv->authority);
83 server->priv->authority = g_object_ref (authority);
87 x_server_get_authority (XServer *server)
89 g_return_val_if_fail (server != NULL, NULL);
90 return server->priv->authority;
94 x_server_get_session_type (DisplayServer *server)
100 x_server_get_can_share (DisplayServer *server)
106 x_server_start (DisplayServer *display_server)
108 XServer *server = X_SERVER (display_server);
109 xcb_auth_info_t *auth = NULL, a;
111 if (server->priv->authority)
113 a.namelen = strlen (x_authority_get_authorization_name (server->priv->authority));
114 a.name = (char *) x_authority_get_authorization_name (server->priv->authority);
115 a.datalen = x_authority_get_authorization_data_length (server->priv->authority);
116 a.data = (char *) x_authority_get_authorization_data (server->priv->authority);
120 /* Open connection */
121 l_debug (server, "Connecting to XServer %s", x_server_get_address (server));
122 server->priv->connection = xcb_connect_to_display_with_auth_info (x_server_get_address (server), auth, NULL);
123 if (xcb_connection_has_error (server->priv->connection))
125 l_debug (server, "Error connecting to XServer %s", x_server_get_address (server));
129 return DISPLAY_SERVER_CLASS (x_server_parent_class)->start (display_server);
133 x_server_connect_session (DisplayServer *display_server, Session *session)
137 session_set_env (session, "XDG_SESSION_TYPE", "x11");
139 display_server = session_get_display_server (session);
141 vt = display_server_get_vt (display_server);
146 t = g_strdup_printf ("/dev/tty%d", vt);
147 session_set_tty (session, t);
150 t = g_strdup_printf ("%d", vt);
151 session_set_env (session, "XDG_VTNR", t);
155 l_debug (session, "Not setting XDG_VTNR");
157 session_set_env (session, "DISPLAY", x_server_get_address (X_SERVER (display_server)));
158 session_set_xdisplay (session, x_server_get_address (X_SERVER (display_server)));
159 session_set_remote_host_name (session, x_server_get_hostname (X_SERVER (display_server)));
160 session_set_x_authority (session,
161 x_server_get_authority (X_SERVER (display_server)),
162 config_get_boolean (config_get_instance (), "LightDM", "user-authority-in-system-dir"));
166 x_server_disconnect_session (DisplayServer *display_server, Session *session)
170 session_unset_env (session, "XDG_SESSION_TYPE");
171 vt = display_server_get_vt (display_server);
174 session_set_tty (session, NULL);
175 session_unset_env (session, "XDG_VTNR");
177 session_unset_env (session, "DISPLAY");
178 session_set_xdisplay (session, NULL);
179 session_set_remote_host_name (session, NULL);
180 session_set_x_authority (session, NULL, FALSE);
184 x_server_init (XServer *server)
186 server->priv = G_TYPE_INSTANCE_GET_PRIVATE (server, X_SERVER_TYPE, XServerPrivate);
190 x_server_finalize (GObject *object)
192 XServer *self = X_SERVER (object);
194 g_free (self->priv->hostname);
195 g_free (self->priv->address);
196 g_clear_object (&self->priv->authority);
197 if (self->priv->connection)
198 xcb_disconnect (self->priv->connection);
200 G_OBJECT_CLASS (x_server_parent_class)->finalize (object);
204 x_server_class_init (XServerClass *klass)
206 GObjectClass *object_class = G_OBJECT_CLASS (klass);
207 DisplayServerClass *display_server_class = DISPLAY_SERVER_CLASS (klass);
209 display_server_class->get_session_type = x_server_get_session_type;
210 display_server_class->get_can_share = x_server_get_can_share;
211 display_server_class->start = x_server_start;
212 display_server_class->connect_session = x_server_connect_session;
213 display_server_class->disconnect_session = x_server_disconnect_session;
214 object_class->finalize = x_server_finalize;
216 g_type_class_add_private (klass, sizeof (XServerPrivate));