diff options
Diffstat (limited to 'daemon/gdm-xdmcp-chooser-display.c')
| -rw-r--r-- | daemon/gdm-xdmcp-chooser-display.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/daemon/gdm-xdmcp-chooser-display.c b/daemon/gdm-xdmcp-chooser-display.c new file mode 100644 index 00000000..85bd3b71 --- /dev/null +++ b/daemon/gdm-xdmcp-chooser-display.c @@ -0,0 +1,234 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 William Jon McCann <jmccann@redhat.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 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 <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> +#include <signal.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <errno.h> + +#include <glib.h> +#include <glib/gi18n.h> +#include <glib-object.h> + +#include "gdm-display.h" +#include "gdm-xdmcp-chooser-display.h" +#include "gdm-xdmcp-chooser-display-glue.h" + +#include "gdm-common.h" +#include "gdm-address.h" + +#define DEFAULT_SLAVE_COMMAND LIBEXECDIR"/gdm-xdmcp-chooser-slave" + +#define GDM_DBUS_NAME "/org/gnome/DisplayManager" +#define GDM_XDMCP_CHOOSER_SLAVE_DBUS_INTERFACE "org.gnome.DisplayManager.XdmcpChooserSlave" + +#define GDM_XDMCP_CHOOSER_DISPLAY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_XDMCP_CHOOSER_DISPLAY, GdmXdmcpChooserDisplayPrivate)) + +struct GdmXdmcpChooserDisplayPrivate +{ + DBusGProxy *slave_proxy; +}; + +enum { + PROP_0, +}; + +enum { + HOSTNAME_SELECTED, + LAST_SIGNAL +}; + +static guint signals [LAST_SIGNAL] = { 0, }; + +static void gdm_xdmcp_chooser_display_class_init (GdmXdmcpChooserDisplayClass *klass); +static void gdm_xdmcp_chooser_display_init (GdmXdmcpChooserDisplay *xdmcp_chooser_display); +static void gdm_xdmcp_chooser_display_finalize (GObject *object); + +G_DEFINE_TYPE (GdmXdmcpChooserDisplay, gdm_xdmcp_chooser_display, GDM_TYPE_XDMCP_DISPLAY) + +static void +on_hostname_selected (DBusGProxy *proxy, + const char *hostname, + GdmXdmcpChooserDisplay *display) +{ + g_debug ("GdmXdmcpChooserDisplay: hostname selected: %s", hostname); + g_signal_emit (display, signals [HOSTNAME_SELECTED], 0, hostname); +} + +static gboolean +gdm_xdmcp_chooser_display_set_slave_bus_name (GdmDisplay *display, + const char *name, + GError **error) +{ + char *display_id; + const char *slave_num; + char *slave_id; + DBusGConnection *connection; + GError *local_error; + GdmXdmcpChooserDisplay *chooser_display; + + display_id = NULL; + slave_id = NULL; + slave_num = NULL; + + chooser_display = GDM_XDMCP_CHOOSER_DISPLAY (display); + if (chooser_display->priv->slave_proxy != NULL) { + g_object_unref (chooser_display->priv->slave_proxy); + } + + g_object_get (display, "id", &display_id, NULL); + + if (g_str_has_prefix (display_id, "/org/gnome/DisplayManager/Display")) { + slave_num = display_id + strlen ("/org/gnome/DisplayManager/Display"); + } + + slave_id = g_strdup_printf ("/org/gnome/DisplayManager/Slave%s", slave_num); + + local_error = NULL; + connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &local_error); + if (connection == NULL) { + if (local_error != NULL) { + g_critical ("error getting system bus: %s", local_error->message); + g_error_free (local_error); + } + } + + g_debug ("GdmXdmcpChooserDisplay: creating proxy for %s on %s", slave_id, name); + + chooser_display->priv->slave_proxy = dbus_g_proxy_new_for_name (connection, + name, + slave_id, + GDM_XDMCP_CHOOSER_SLAVE_DBUS_INTERFACE); + if (chooser_display->priv->slave_proxy == NULL) { + g_warning ("Failed to connect to the slave object"); + goto out; + } + dbus_g_proxy_add_signal (chooser_display->priv->slave_proxy, + "HostnameSelected", + G_TYPE_STRING, + G_TYPE_INVALID); + dbus_g_proxy_connect_signal (chooser_display->priv->slave_proxy, + "HostnameSelected", + G_CALLBACK (on_hostname_selected), + display, + NULL); + out: + + g_free (display_id); + g_free (slave_id); + + return GDM_DISPLAY_CLASS (gdm_xdmcp_chooser_display_parent_class)->set_slave_bus_name (display, name, error); +} + +static gboolean +gdm_xdmcp_chooser_display_manage (GdmDisplay *display) +{ + g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); + + GDM_DISPLAY_CLASS (gdm_xdmcp_chooser_display_parent_class)->manage (display); + + return TRUE; +} + +static void +gdm_xdmcp_chooser_display_class_init (GdmXdmcpChooserDisplayClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GdmDisplayClass *display_class = GDM_DISPLAY_CLASS (klass); + + object_class->finalize = gdm_xdmcp_chooser_display_finalize; + + display_class->manage = gdm_xdmcp_chooser_display_manage; + display_class->set_slave_bus_name = gdm_xdmcp_chooser_display_set_slave_bus_name; + + signals [HOSTNAME_SELECTED] = + g_signal_new ("hostname-selected", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GdmXdmcpChooserDisplayClass, hostname_selected), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); + + g_type_class_add_private (klass, sizeof (GdmXdmcpChooserDisplayPrivate)); + + dbus_g_object_type_install_info (GDM_TYPE_XDMCP_CHOOSER_DISPLAY, &dbus_glib_gdm_xdmcp_chooser_display_object_info); +} + +static void +gdm_xdmcp_chooser_display_init (GdmXdmcpChooserDisplay *xdmcp_chooser_display) +{ + + xdmcp_chooser_display->priv = GDM_XDMCP_CHOOSER_DISPLAY_GET_PRIVATE (xdmcp_chooser_display); +} + +static void +gdm_xdmcp_chooser_display_finalize (GObject *object) +{ + GdmXdmcpChooserDisplay *chooser_display; + + g_return_if_fail (object != NULL); + g_return_if_fail (GDM_IS_XDMCP_CHOOSER_DISPLAY (object)); + + chooser_display = GDM_XDMCP_CHOOSER_DISPLAY (object); + + g_return_if_fail (chooser_display->priv != NULL); + + if (chooser_display->priv->slave_proxy != NULL) { + g_object_unref (chooser_display->priv->slave_proxy); + } + + G_OBJECT_CLASS (gdm_xdmcp_chooser_display_parent_class)->finalize (object); +} + +GdmDisplay * +gdm_xdmcp_chooser_display_new (const char *hostname, + int number, + GdmAddress *address, + gint32 session_number) +{ + GObject *object; + char *x11_display; + + x11_display = g_strdup_printf ("%s:%d", hostname, number); + object = g_object_new (GDM_TYPE_XDMCP_CHOOSER_DISPLAY, + "slave-command", DEFAULT_SLAVE_COMMAND, + "remote-hostname", hostname, + "x11-display-number", number, + "x11-display-name", x11_display, + "is-local", FALSE, + "remote-address", address, + "session-number", session_number, + NULL); + g_free (x11_display); + + return GDM_DISPLAY (object); +} |