/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2007 William Jon McCann * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include "gdm-display.h" #include "gdm-display-glue.h" #include "gdm-display-access-file.h" #include "gdm-settings-direct.h" #include "gdm-settings-keys.h" #include "gdm-slave-proxy.h" #include "gdm-slave-glue.h" #include "gdm-dbus-util.h" #define GDM_DISPLAY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_DISPLAY, GdmDisplayPrivate)) #define GDM_SLAVE_PATH "/org/gnome/DisplayManager/Slave" #define DEFAULT_SLAVE_COMMAND LIBEXECDIR "/gdm-simple-slave" struct GdmDisplayPrivate { char *id; char *seat_id; char *session_id; char *remote_hostname; int x11_display_number; char *x11_display_name; int status; time_t creation_time; GTimer *slave_timer; char *slave_command; char *x11_cookie; gsize x11_cookie_size; GdmDisplayAccessFile *access_file; gboolean is_local; guint finish_idle_id; GdmSlaveProxy *slave_proxy; char *slave_bus_name; GdmDBusSlave *slave_bus_proxy; int slave_name_id; GDBusConnection *connection; GdmDisplayAccessFile *user_access_file; GdmDBusDisplay *display_skeleton; GDBusObjectSkeleton *object_skeleton; gboolean is_initial; }; enum { PROP_0, PROP_ID, PROP_STATUS, PROP_SEAT_ID, PROP_SESSION_ID, PROP_REMOTE_HOSTNAME, PROP_X11_DISPLAY_NUMBER, PROP_X11_DISPLAY_NAME, PROP_X11_COOKIE, PROP_X11_AUTHORITY_FILE, PROP_IS_LOCAL, PROP_SLAVE_COMMAND, PROP_IS_INITIAL }; static void gdm_display_class_init (GdmDisplayClass *klass); static void gdm_display_init (GdmDisplay *display); static void gdm_display_finalize (GObject *object); static void queue_finish (GdmDisplay *display); G_DEFINE_ABSTRACT_TYPE (GdmDisplay, gdm_display, G_TYPE_OBJECT) GQuark gdm_display_error_quark (void) { static GQuark ret = 0; if (ret == 0) { ret = g_quark_from_static_string ("gdm_display_error"); } return ret; } time_t gdm_display_get_creation_time (GdmDisplay *display) { g_return_val_if_fail (GDM_IS_DISPLAY (display), 0); return display->priv->creation_time; } int gdm_display_get_status (GdmDisplay *display) { g_return_val_if_fail (GDM_IS_DISPLAY (display), 0); return display->priv->status; } char * gdm_display_get_session_id (GdmDisplay *display) { return g_strdup (display->priv->session_id); } static GdmDisplayAccessFile * _create_access_file_for_user (GdmDisplay *display, const char *username, GError **error) { GdmDisplayAccessFile *access_file; GError *file_error; access_file = gdm_display_access_file_new (username); file_error = NULL; if (!gdm_display_access_file_open (access_file, &file_error)) { g_propagate_error (error, file_error); return NULL; } return access_file; } static gboolean gdm_display_real_create_authority (GdmDisplay *display) { GdmDisplayAccessFile *access_file; GError *error; gboolean res; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_return_val_if_fail (display->priv->access_file == NULL, FALSE); error = NULL; access_file = _create_access_file_for_user (display, GDM_USERNAME, &error); if (access_file == NULL) { g_critical ("could not create display access file: %s", error->message); g_error_free (error); return FALSE; } g_free (display->priv->x11_cookie); display->priv->x11_cookie = NULL; res = gdm_display_access_file_add_display (access_file, display, &display->priv->x11_cookie, &display->priv->x11_cookie_size, &error); if (! res) { g_critical ("could not add display to access file: %s", error->message); g_error_free (error); gdm_display_access_file_close (access_file); g_object_unref (access_file); return FALSE; } display->priv->access_file = access_file; return TRUE; } gboolean gdm_display_create_authority (GdmDisplay *display) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->create_authority (display); g_object_unref (display); return ret; } static gboolean gdm_display_real_add_user_authorization (GdmDisplay *display, const char *username, char **filename, GError **error) { GdmDisplayAccessFile *access_file; GError *access_file_error; gboolean res; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_return_val_if_fail (display->priv->access_file != NULL, FALSE); g_debug ("GdmDisplay: Adding user authorization for %s", username); access_file_error = NULL; access_file = _create_access_file_for_user (display, username, &access_file_error); if (access_file == NULL) { g_propagate_error (error, access_file_error); return FALSE; } res = gdm_display_access_file_add_display_with_cookie (access_file, display, display->priv->x11_cookie, display->priv->x11_cookie_size, &access_file_error); if (! res) { g_debug ("GdmDisplay: Unable to add user authorization for %s: %s", username, access_file_error->message); g_propagate_error (error, access_file_error); gdm_display_access_file_close (access_file); g_object_unref (access_file); return FALSE; } *filename = gdm_display_access_file_get_path (access_file); display->priv->user_access_file = access_file; g_debug ("GdmDisplay: Added user authorization for %s: %s", username, *filename); return TRUE; } gboolean gdm_display_add_user_authorization (GdmDisplay *display, const char *username, char **filename, GError **error) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: Adding authorization for user:%s on display %s", username, display->priv->x11_display_name); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->add_user_authorization (display, username, filename, error); g_object_unref (display); return ret; } static void on_name_vanished (GDBusConnection *connection, const char *name, gpointer user_data) { queue_finish (GDM_DISPLAY (user_data)); } static gboolean gdm_display_real_set_slave_bus_name (GdmDisplay *display, const char *name, GError **error) { g_free (display->priv->slave_bus_name); display->priv->slave_bus_name = g_strdup (name); if (display->priv->slave_name_id > 0) { g_bus_unwatch_name (display->priv->slave_name_id); } g_bus_watch_name_on_connection (display->priv->connection, name, G_BUS_NAME_WATCHER_FLAGS_NONE, NULL, /* name appeared */ on_name_vanished, g_object_ref (display), NULL); g_clear_object (&display->priv->slave_bus_proxy); display->priv->slave_bus_proxy = GDM_DBUS_SLAVE (gdm_dbus_slave_proxy_new_sync (display->priv->connection, G_DBUS_PROXY_FLAGS_NONE, name, GDM_SLAVE_PATH, NULL, NULL)); g_object_bind_property (G_OBJECT (display->priv->slave_bus_proxy), "session-id", G_OBJECT (display), "session-id", G_BINDING_DEFAULT); return TRUE; } gboolean gdm_display_set_slave_bus_name (GdmDisplay *display, const char *name, GError **error) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: Setting slave bus name:%s on display %s", name, display->priv->x11_display_name); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->set_slave_bus_name (display, name, error); g_object_unref (display); return ret; } static void gdm_display_real_get_timed_login_details (GdmDisplay *display, gboolean *enabledp, char **usernamep, int *delayp) { gboolean res; gboolean enabled; int delay; char *username; enabled = FALSE; username = NULL; delay = 0; #ifdef WITH_SYSTEMD /* FIXME: More careful thought needs to happen before we * can support auto/timed login on auxilliary seats in the * systemd path. */ if (g_strcmp0 (display->priv->seat_id, "seat0") != 0) { goto out; } #endif res = gdm_settings_direct_get_boolean (GDM_KEY_AUTO_LOGIN_ENABLE, &enabled); if (res && enabled) { res = gdm_settings_direct_get_string (GDM_KEY_AUTO_LOGIN_USER, &username); } if (enabled && res && username != NULL && username[0] != '\0') { goto out; } g_free (username); username = NULL; enabled = FALSE; res = gdm_settings_direct_get_boolean (GDM_KEY_TIMED_LOGIN_ENABLE, &enabled); if (res && ! enabled) { goto out; } res = gdm_settings_direct_get_string (GDM_KEY_TIMED_LOGIN_USER, &username); if (res && (username == NULL || username[0] == '\0')) { enabled = FALSE; g_free (username); username = NULL; goto out; } delay = 0; res = gdm_settings_direct_get_int (GDM_KEY_TIMED_LOGIN_DELAY, &delay); if (res && delay <= 0) { /* we don't allow the timed login to have a zero delay */ delay = 10; } out: if (enabledp != NULL) { *enabledp = enabled; } if (usernamep != NULL) { *usernamep = username; } else { g_free (username); } if (delayp != NULL) { *delayp = delay; } } gboolean gdm_display_get_timed_login_details (GdmDisplay *display, gboolean *enabled, char **username, int *delay, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); GDM_DISPLAY_GET_CLASS (display)->get_timed_login_details (display, enabled, username, delay); g_debug ("GdmSlave: Got timed login details for display %s: %d '%s' %d", display->priv->x11_display_name, *enabled, *username ? *username : "(null)", *delay); return TRUE; } static gboolean gdm_display_real_remove_user_authorization (GdmDisplay *display, const char *username, GError **error) { gdm_display_access_file_close (display->priv->user_access_file); return TRUE; } gboolean gdm_display_remove_user_authorization (GdmDisplay *display, const char *username, GError **error) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: Removing authorization for user:%s on display %s", username, display->priv->x11_display_name); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->remove_user_authorization (display, username, error); g_object_unref (display); return ret; } gboolean gdm_display_get_x11_cookie (GdmDisplay *display, GArray **x11_cookie, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (x11_cookie != NULL) { *x11_cookie = g_array_new (TRUE, FALSE, sizeof (char)); g_array_append_vals (*x11_cookie, display->priv->x11_cookie, display->priv->x11_cookie_size); } return TRUE; } gboolean gdm_display_get_x11_authority_file (GdmDisplay *display, char **filename, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_return_val_if_fail (filename != NULL, FALSE); if (display->priv->access_file != NULL) { *filename = gdm_display_access_file_get_path (display->priv->access_file); } else { *filename = NULL; } return TRUE; } gboolean gdm_display_get_remote_hostname (GdmDisplay *display, char **hostname, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (hostname != NULL) { *hostname = g_strdup (display->priv->remote_hostname); } return TRUE; } gboolean gdm_display_get_x11_display_number (GdmDisplay *display, int *number, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (number != NULL) { *number = display->priv->x11_display_number; } return TRUE; } gboolean gdm_display_get_seat_id (GdmDisplay *display, char **seat_id, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (seat_id != NULL) { *seat_id = g_strdup (display->priv->seat_id); } return TRUE; } gboolean gdm_display_is_initial (GdmDisplay *display, gboolean *is_initial, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (is_initial != NULL) { *is_initial = display->priv->is_initial; } return TRUE; } static gboolean finish_idle (GdmDisplay *display) { display->priv->finish_idle_id = 0; /* finish may end up finalizing object */ gdm_display_finish (display); return FALSE; } static void queue_finish (GdmDisplay *display) { if (display->priv->finish_idle_id == 0) { display->priv->finish_idle_id = g_idle_add ((GSourceFunc)finish_idle, display); } } static void slave_exited (GdmSlaveProxy *proxy, int code, GdmDisplay *display) { g_debug ("GdmDisplay: Slave exited: %d", code); queue_finish (display); } static void slave_died (GdmSlaveProxy *proxy, int signum, GdmDisplay *display) { g_debug ("GdmDisplay: Slave died: %d", signum); queue_finish (display); } static void _gdm_display_set_status (GdmDisplay *display, int status) { if (status != display->priv->status) { display->priv->status = status; g_object_notify (G_OBJECT (display), "status"); } } static gboolean gdm_display_real_prepare (GdmDisplay *display) { char *command; char *log_file; char *log_path; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: prepare display"); g_assert (display->priv->slave_proxy == NULL); if (!gdm_display_create_authority (display)) { g_warning ("Unable to set up access control for display %d", display->priv->x11_display_number); return FALSE; } _gdm_display_set_status (display, GDM_DISPLAY_PREPARED); display->priv->slave_proxy = gdm_slave_proxy_new (); g_signal_connect (display->priv->slave_proxy, "exited", G_CALLBACK (slave_exited), display); g_signal_connect (display->priv->slave_proxy, "died", G_CALLBACK (slave_died), display); log_file = g_strdup_printf ("%s-slave.log", display->priv->x11_display_name); log_path = g_build_filename (LOGDIR, log_file, NULL); g_free (log_file); gdm_slave_proxy_set_log_path (display->priv->slave_proxy, log_path); g_free (log_path); command = g_strdup_printf ("%s --display-id %s", display->priv->slave_command, display->priv->id); gdm_slave_proxy_set_command (display->priv->slave_proxy, command); g_free (command); return TRUE; } gboolean gdm_display_prepare (GdmDisplay *display) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: Preparing display: %s", display->priv->id); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->prepare (display); g_object_unref (display); return ret; } static gboolean gdm_display_real_manage (GdmDisplay *display) { gboolean res; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: manage display"); /* If not explicitly prepared, do it now */ if (display->priv->status == GDM_DISPLAY_UNMANAGED) { res = gdm_display_prepare (display); if (! res) { return FALSE; } } g_assert (display->priv->slave_proxy != NULL); g_timer_start (display->priv->slave_timer); gdm_slave_proxy_start (display->priv->slave_proxy); return TRUE; } gboolean gdm_display_manage (GdmDisplay *display) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: Managing display: %s", display->priv->id); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->manage (display); g_object_unref (display); return ret; } static gboolean gdm_display_real_finish (GdmDisplay *display) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); _gdm_display_set_status (display, GDM_DISPLAY_FINISHED); g_debug ("GdmDisplay: finish display"); return TRUE; } gboolean gdm_display_finish (GdmDisplay *display) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: Finishing display: %s", display->priv->id); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->finish (display); g_object_unref (display); return ret; } static gboolean gdm_display_real_unmanage (GdmDisplay *display) { gdouble elapsed; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: unmanage display"); g_timer_stop (display->priv->slave_timer); if (display->priv->slave_proxy != NULL) { gdm_slave_proxy_stop (display->priv->slave_proxy); g_object_unref (display->priv->slave_proxy); display->priv->slave_proxy = NULL; } if (display->priv->user_access_file != NULL) { gdm_display_access_file_close (display->priv->user_access_file); g_object_unref (display->priv->user_access_file); display->priv->user_access_file = NULL; } if (display->priv->access_file != NULL) { gdm_display_access_file_close (display->priv->access_file); g_object_unref (display->priv->access_file); display->priv->access_file = NULL; } elapsed = g_timer_elapsed (display->priv->slave_timer, NULL); if (elapsed < 3) { g_warning ("GdmDisplay: display lasted %lf seconds", elapsed); _gdm_display_set_status (display, GDM_DISPLAY_FAILED); } else { _gdm_display_set_status (display, GDM_DISPLAY_UNMANAGED); } return TRUE; } gboolean gdm_display_unmanage (GdmDisplay *display) { gboolean ret; g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); g_debug ("GdmDisplay: Unmanaging display"); g_object_ref (display); ret = GDM_DISPLAY_GET_CLASS (display)->unmanage (display); g_object_unref (display); return ret; } gboolean gdm_display_get_id (GdmDisplay *display, char **id, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (id != NULL) { *id = g_strdup (display->priv->id); } return TRUE; } gboolean gdm_display_get_x11_display_name (GdmDisplay *display, char **x11_display, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (x11_display != NULL) { *x11_display = g_strdup (display->priv->x11_display_name); } return TRUE; } gboolean gdm_display_is_local (GdmDisplay *display, gboolean *local, GError **error) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); if (local != NULL) { *local = display->priv->is_local; } return TRUE; } static void _gdm_display_set_id (GdmDisplay *display, const char *id) { g_free (display->priv->id); display->priv->id = g_strdup (id); } static void _gdm_display_set_seat_id (GdmDisplay *display, const char *seat_id) { g_free (display->priv->seat_id); display->priv->seat_id = g_strdup (seat_id); } static void _gdm_display_set_session_id (GdmDisplay *display, const char *session_id) { g_free (display->priv->session_id); display->priv->session_id = g_strdup (session_id); } static void _gdm_display_set_remote_hostname (GdmDisplay *display, const char *hostname) { g_free (display->priv->remote_hostname); display->priv->remote_hostname = g_strdup (hostname); } static void _gdm_display_set_x11_display_number (GdmDisplay *display, int num) { display->priv->x11_display_number = num; } static void _gdm_display_set_x11_display_name (GdmDisplay *display, const char *x11_display) { g_free (display->priv->x11_display_name); display->priv->x11_display_name = g_strdup (x11_display); } static void _gdm_display_set_x11_cookie (GdmDisplay *display, const char *x11_cookie) { g_free (display->priv->x11_cookie); display->priv->x11_cookie = g_strdup (x11_cookie); } static void _gdm_display_set_is_local (GdmDisplay *display, gboolean is_local) { display->priv->is_local = is_local; } static void _gdm_display_set_slave_command (GdmDisplay *display, const char *command) { g_free (display->priv->slave_command); display->priv->slave_command = g_strdup (command); } static void _gdm_display_set_is_initial (GdmDisplay *display, gboolean initial) { display->priv->is_initial = initial; } static void gdm_display_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GdmDisplay *self; self = GDM_DISPLAY (object); switch (prop_id) { case PROP_ID: _gdm_display_set_id (self, g_value_get_string (value)); break; case PROP_STATUS: _gdm_display_set_status (self, g_value_get_int (value)); break; case PROP_SEAT_ID: _gdm_display_set_seat_id (self, g_value_get_string (value)); break; case PROP_SESSION_ID: _gdm_display_set_session_id (self, g_value_get_string (value)); break; case PROP_REMOTE_HOSTNAME: _gdm_display_set_remote_hostname (self, g_value_get_string (value)); break; case PROP_X11_DISPLAY_NUMBER: _gdm_display_set_x11_display_number (self, g_value_get_int (value)); break; case PROP_X11_DISPLAY_NAME: _gdm_display_set_x11_display_name (self, g_value_get_string (value)); break; case PROP_X11_COOKIE: _gdm_display_set_x11_cookie (self, g_value_get_string (value)); break; case PROP_IS_LOCAL: _gdm_display_set_is_local (self, g_value_get_boolean (value)); break; case PROP_SLAVE_COMMAND: _gdm_display_set_slave_command (self, g_value_get_string (value)); break; case PROP_IS_INITIAL: _gdm_display_set_is_initial (self, g_value_get_boolean (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gdm_display_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GdmDisplay *self; self = GDM_DISPLAY (object); switch (prop_id) { case PROP_ID: g_value_set_string (value, self->priv->id); break; case PROP_STATUS: g_value_set_int (value, self->priv->status); break; case PROP_SEAT_ID: g_value_set_string (value, self->priv->seat_id); break; case PROP_SESSION_ID: g_value_set_string (value, self->priv->session_id); break; case PROP_REMOTE_HOSTNAME: g_value_set_string (value, self->priv->remote_hostname); break; case PROP_X11_DISPLAY_NUMBER: g_value_set_int (value, self->priv->x11_display_number); break; case PROP_X11_DISPLAY_NAME: g_value_set_string (value, self->priv->x11_display_name); break; case PROP_X11_COOKIE: g_value_set_string (value, self->priv->x11_cookie); break; case PROP_X11_AUTHORITY_FILE: g_value_take_string (value, gdm_display_access_file_get_path (self->priv->access_file)); break; case PROP_IS_LOCAL: g_value_set_boolean (value, self->priv->is_local); break; case PROP_SLAVE_COMMAND: g_value_set_string (value, self->priv->slave_command); break; case PROP_IS_INITIAL: g_value_set_boolean (value, self->priv->is_initial); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static gboolean handle_get_id (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { char *id; gdm_display_get_id (display, &id, NULL); gdm_dbus_display_complete_get_id (skeleton, invocation, id); g_free (id); return TRUE; } static gboolean handle_get_remote_hostname (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { char *hostname; gdm_display_get_remote_hostname (display, &hostname, NULL); gdm_dbus_display_complete_get_remote_hostname (skeleton, invocation, hostname ? hostname : ""); g_free (hostname); return TRUE; } static gboolean handle_get_seat_id (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { char *seat_id; seat_id = NULL; gdm_display_get_seat_id (display, &seat_id, NULL); if (seat_id == NULL) { seat_id = g_strdup (""); } gdm_dbus_display_complete_get_seat_id (skeleton, invocation, seat_id); g_free (seat_id); return TRUE; } static gboolean handle_get_timed_login_details (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { gboolean enabled; char *username; int delay; gdm_display_get_timed_login_details (display, &enabled, &username, &delay, NULL); gdm_dbus_display_complete_get_timed_login_details (skeleton, invocation, enabled, username ? username : "", delay); g_free (username); return TRUE; } static gboolean handle_get_x11_authority_file (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { char *file; gdm_display_get_x11_authority_file (display, &file, NULL); gdm_dbus_display_complete_get_x11_authority_file (skeleton, invocation, file); g_free (file); return TRUE; } static gboolean handle_get_x11_cookie (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { GArray *cookie = NULL; GVariant *variant; gdm_display_get_x11_cookie (display, &cookie, NULL); variant = g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE, cookie->data, cookie->len, sizeof (char)); gdm_dbus_display_complete_get_x11_cookie (skeleton, invocation, variant); g_array_unref (cookie); return TRUE; } static gboolean handle_get_x11_display_name (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { char *name; gdm_display_get_x11_display_name (display, &name, NULL); gdm_dbus_display_complete_get_x11_display_name (skeleton, invocation, name); g_free (name); return TRUE; } static gboolean handle_get_x11_display_number (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { int name; gdm_display_get_x11_display_number (display, &name, NULL); gdm_dbus_display_complete_get_x11_display_number (skeleton, invocation, name); return TRUE; } static gboolean handle_is_local (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { gboolean is_local; gdm_display_is_local (display, &is_local, NULL); gdm_dbus_display_complete_is_local (skeleton, invocation, is_local); return TRUE; } static gboolean handle_is_initial (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { gboolean is_initial = FALSE; gdm_display_is_initial (display, &is_initial, NULL); gdm_dbus_display_complete_is_initial (skeleton, invocation, is_initial); return TRUE; } static gboolean handle_get_slave_bus_name (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, GdmDisplay *display) { if (display->priv->slave_bus_name != NULL) { gdm_dbus_display_complete_get_slave_bus_name (skeleton, invocation, display->priv->slave_bus_name); } else { g_dbus_method_invocation_return_dbus_error (invocation, "org.gnome.DisplayManager.NotReady", "Slave is not yet registered"); } return TRUE; } static gboolean handle_set_slave_bus_name (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, const char *bus_name, GdmDisplay *display) { GError *error = NULL; if (gdm_display_set_slave_bus_name (display, bus_name, &error)) { gdm_dbus_display_complete_set_slave_bus_name (skeleton, invocation); } else { g_dbus_method_invocation_return_gerror (invocation, error); g_error_free (error); } return TRUE; } static gboolean handle_add_user_authorization (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, const char *username, GdmDisplay *display) { char *filename; GError *error = NULL; if (gdm_display_add_user_authorization (display, username, &filename, &error)) { gdm_dbus_display_complete_add_user_authorization (skeleton, invocation, filename); g_free (filename); } else { g_dbus_method_invocation_return_gerror (invocation, error); g_error_free (error); } return TRUE; } static gboolean handle_remove_user_authorization (GdmDBusDisplay *skeleton, GDBusMethodInvocation *invocation, const char *username, GdmDisplay *display) { GError *error = NULL; if (gdm_display_remove_user_authorization (display, username, &error)) { gdm_dbus_display_complete_remove_user_authorization (skeleton, invocation); } else { g_dbus_method_invocation_return_gerror (invocation, error); g_error_free (error); } return TRUE; } static gboolean register_display (GdmDisplay *display) { GError *error = NULL; error = NULL; display->priv->connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error); if (display->priv->connection == NULL) { g_critical ("error getting system bus: %s", error->message); g_error_free (error); exit (1); } display->priv->object_skeleton = g_dbus_object_skeleton_new (display->priv->id); display->priv->display_skeleton = GDM_DBUS_DISPLAY (gdm_dbus_display_skeleton_new ()); g_signal_connect (display->priv->display_skeleton, "handle-get-id", G_CALLBACK (handle_get_id), display); g_signal_connect (display->priv->display_skeleton, "handle-get-remote-hostname", G_CALLBACK (handle_get_remote_hostname), display); g_signal_connect (display->priv->display_skeleton, "handle-get-seat-id", G_CALLBACK (handle_get_seat_id), display); g_signal_connect (display->priv->display_skeleton, "handle-get-timed-login-details", G_CALLBACK (handle_get_timed_login_details), display); g_signal_connect (display->priv->display_skeleton, "handle-get-x11-authority-file", G_CALLBACK (handle_get_x11_authority_file), display); g_signal_connect (display->priv->display_skeleton, "handle-get-x11-cookie", G_CALLBACK (handle_get_x11_cookie), display); g_signal_connect (display->priv->display_skeleton, "handle-get-x11-display-name", G_CALLBACK (handle_get_x11_display_name), display); g_signal_connect (display->priv->display_skeleton, "handle-get-x11-display-number", G_CALLBACK (handle_get_x11_display_number), display); g_signal_connect (display->priv->display_skeleton, "handle-is-local", G_CALLBACK (handle_is_local), display); g_signal_connect (display->priv->display_skeleton, "handle-is-initial", G_CALLBACK (handle_is_initial), display); g_signal_connect (display->priv->display_skeleton, "handle-get-slave-bus-name", G_CALLBACK (handle_get_slave_bus_name), display); g_signal_connect (display->priv->display_skeleton, "handle-set-slave-bus-name", G_CALLBACK (handle_set_slave_bus_name), display); g_signal_connect (display->priv->display_skeleton, "handle-add-user-authorization", G_CALLBACK (handle_add_user_authorization), display); g_signal_connect (display->priv->display_skeleton, "handle-remove-user-authorization", G_CALLBACK (handle_remove_user_authorization), display); g_dbus_object_skeleton_add_interface (display->priv->object_skeleton, G_DBUS_INTERFACE_SKELETON (display->priv->display_skeleton)); return TRUE; } char * gdm_display_open_session_sync (GdmDisplay *display, GPid pid_of_caller, uid_t uid_of_caller, GCancellable *cancellable, GError **error) { char *address; int ret; if (display->priv->slave_bus_proxy == NULL) { g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_ACCESS_DENIED, _("No session available yet")); return NULL; } address = NULL; ret = gdm_dbus_slave_call_open_session_sync (display->priv->slave_bus_proxy, (int) pid_of_caller, (int) uid_of_caller, &address, cancellable, error); if (!ret) { return NULL; } return address; } char * gdm_display_open_reauthentication_channel_sync (GdmDisplay *display, const char *username, GPid pid_of_caller, uid_t uid_of_caller, GCancellable *cancellable, GError **error) { char *address; int ret; if (display->priv->slave_bus_proxy == NULL) { g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_ACCESS_DENIED, _("No session available yet")); return NULL; } address = NULL; ret = gdm_dbus_slave_call_open_reauthentication_channel_sync (display->priv->slave_bus_proxy, username, pid_of_caller, uid_of_caller, &address, cancellable, error); if (!ret) { return NULL; } return address; } /* dbus-send --system --print-reply --dest=org.gnome.DisplayManager /org/gnome/DisplayManager/Displays/1 org.freedesktop.DBus.Introspectable.Introspect */ static GObject * gdm_display_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_properties) { GdmDisplay *display; char *canonical_display_name; gboolean res; display = GDM_DISPLAY (G_OBJECT_CLASS (gdm_display_parent_class)->constructor (type, n_construct_properties, construct_properties)); canonical_display_name = g_strdelimit (g_strdup (display->priv->x11_display_name), ":" G_STR_DELIMITERS, '_'); g_free (display->priv->id); display->priv->id = g_strdup_printf ("/org/gnome/DisplayManager/Displays/%s", canonical_display_name); g_free (canonical_display_name); res = register_display (display); if (! res) { g_warning ("Unable to register display with system bus"); } return G_OBJECT (display); } static void gdm_display_dispose (GObject *object) { GdmDisplay *display; display = GDM_DISPLAY (object); g_debug ("GdmDisplay: Disposing display"); if (display->priv->finish_idle_id > 0) { g_source_remove (display->priv->finish_idle_id); display->priv->finish_idle_id = 0; } if (display->priv->slave_proxy != NULL) { gdm_slave_proxy_stop (display->priv->slave_proxy); g_object_unref (display->priv->slave_proxy); display->priv->slave_proxy = NULL; } if (display->priv->user_access_file != NULL) { gdm_display_access_file_close (display->priv->user_access_file); g_object_unref (display->priv->user_access_file); display->priv->user_access_file = NULL; } if (display->priv->access_file != NULL) { gdm_display_access_file_close (display->priv->access_file); g_object_unref (display->priv->access_file); display->priv->access_file = NULL; } if (display->priv->slave_name_id > 0) { g_bus_unwatch_name (display->priv->slave_name_id); display->priv->slave_name_id = 0; } G_OBJECT_CLASS (gdm_display_parent_class)->dispose (object); } static void gdm_display_class_init (GdmDisplayClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->get_property = gdm_display_get_property; object_class->set_property = gdm_display_set_property; object_class->constructor = gdm_display_constructor; object_class->dispose = gdm_display_dispose; object_class->finalize = gdm_display_finalize; klass->create_authority = gdm_display_real_create_authority; klass->add_user_authorization = gdm_display_real_add_user_authorization; klass->remove_user_authorization = gdm_display_real_remove_user_authorization; klass->set_slave_bus_name = gdm_display_real_set_slave_bus_name; klass->get_timed_login_details = gdm_display_real_get_timed_login_details; klass->prepare = gdm_display_real_prepare; klass->manage = gdm_display_real_manage; klass->finish = gdm_display_real_finish; klass->unmanage = gdm_display_real_unmanage; g_object_class_install_property (object_class, PROP_ID, g_param_spec_string ("id", "id", "id", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_REMOTE_HOSTNAME, g_param_spec_string ("remote-hostname", "remote-hostname", "remote-hostname", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_X11_DISPLAY_NUMBER, g_param_spec_int ("x11-display-number", "x11 display number", "x11 display number", -1, G_MAXINT, -1, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_X11_DISPLAY_NAME, g_param_spec_string ("x11-display-name", "x11-display-name", "x11-display-name", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_SEAT_ID, g_param_spec_string ("seat-id", "seat id", "seat id", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property (object_class, PROP_SESSION_ID, g_param_spec_string ("session-id", "session id", "session id", NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_IS_INITIAL, g_param_spec_boolean ("is-initial", NULL, NULL, FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property (object_class, PROP_X11_COOKIE, g_param_spec_string ("x11-cookie", "cookie", "cookie", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property (object_class, PROP_X11_AUTHORITY_FILE, g_param_spec_string ("x11-authority-file", "authority file", "authority file", NULL, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_IS_LOCAL, g_param_spec_boolean ("is-local", NULL, NULL, TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property (object_class, PROP_SLAVE_COMMAND, g_param_spec_string ("slave-command", "slave command", "slave command", DEFAULT_SLAVE_COMMAND, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property (object_class, PROP_STATUS, g_param_spec_int ("status", "status", "status", -1, G_MAXINT, GDM_DISPLAY_UNMANAGED, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_type_class_add_private (klass, sizeof (GdmDisplayPrivate)); } static void gdm_display_init (GdmDisplay *display) { display->priv = GDM_DISPLAY_GET_PRIVATE (display); display->priv->creation_time = time (NULL); display->priv->slave_timer = g_timer_new (); } static void gdm_display_finalize (GObject *object) { GdmDisplay *display; g_return_if_fail (object != NULL); g_return_if_fail (GDM_IS_DISPLAY (object)); display = GDM_DISPLAY (object); g_return_if_fail (display->priv != NULL); g_debug ("GdmDisplay: Finalizing display: %s", display->priv->id); g_free (display->priv->id); g_free (display->priv->seat_id); g_free (display->priv->remote_hostname); g_free (display->priv->x11_display_name); g_free (display->priv->x11_cookie); g_free (display->priv->slave_command); g_free (display->priv->slave_bus_name); g_clear_object (&display->priv->display_skeleton); g_clear_object (&display->priv->object_skeleton); g_clear_object (&display->priv->connection); if (display->priv->access_file != NULL) { g_object_unref (display->priv->access_file); } if (display->priv->user_access_file != NULL) { g_object_unref (display->priv->user_access_file); } if (display->priv->slave_timer != NULL) { g_timer_destroy (display->priv->slave_timer); } G_OBJECT_CLASS (gdm_display_parent_class)->finalize (object); } GDBusConnection * gdm_display_get_bus_connection (GdmDisplay *display) { return display->priv->connection; } GDBusObjectSkeleton * gdm_display_get_object_skeleton (GdmDisplay *display) { return display->priv->object_skeleton; }