From ae39f7001e5603010afc02de29787ade6d48ef14 Mon Sep 17 00:00:00 2001 From: Charles Kerr Date: Fri, 22 Mar 2013 16:34:34 -0500 Subject: port indicator-session to GMenu/cmake. Code coverage increased from 0% to 95.4%. --- src/backend-dbus/guest.c | 570 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 570 insertions(+) create mode 100644 src/backend-dbus/guest.c (limited to 'src/backend-dbus/guest.c') diff --git a/src/backend-dbus/guest.c b/src/backend-dbus/guest.c new file mode 100644 index 0000000..516ba00 --- /dev/null +++ b/src/backend-dbus/guest.c @@ -0,0 +1,570 @@ +/* + * Copyright 2013 Canonical Ltd. + * + * Authors: + * Charles Kerr + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 3, as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranties of + * MERCHANTABILITY, SATISFACTORY QUALITY, 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, see . + */ + +#include + +#include "dbus-accounts.h" +#include "dbus-display-manager.h" +#include "dbus-user.h" +#include "dbus-consolekit-seat.h" +#include "dbus-consolekit-manager.h" +#include "dbus-consolekit-session.h" + +#include "guest.h" + +struct _IndicatorSessionGuestDbusPriv +{ + GCancellable * cancellable; + + Accounts * accounts; + AccountsUser * guest; + DisplayManagerSeat * display_manager_seat; + + ConsoleKitSeat * seat; + ConsoleKitSession * active_session; + guint active_uid; + + gboolean guest_is_active; + gboolean guest_is_allowed; +}; + +typedef IndicatorSessionGuestDbusPriv priv_t; + +G_DEFINE_TYPE (IndicatorSessionGuestDbus, + indicator_session_guest_dbus, + INDICATOR_TYPE_SESSION_GUEST) + +/*** +**** +***/ + +static void +check_for_active_guest (IndicatorSessionGuestDbus * self) +{ + gboolean guest_is_active; + priv_t * p = self->priv; + + guest_is_active = (p->active_uid) + && (p->guest != NULL) + && (p->active_uid == accounts_user_get_uid (p->guest)); + + if (p->guest_is_active != guest_is_active) + { + p->guest_is_active = guest_is_active; + + indicator_session_guest_notify_active (INDICATOR_SESSION_GUEST(self)); + } +} + +static void +set_active_uid (IndicatorSessionGuestDbus * self, guint uid) +{ + self->priv->active_uid = uid; + + check_for_active_guest (self); +} + +static void +on_active_uid_ready (GObject * o G_GNUC_UNUSED, GAsyncResult * res, gpointer gself) +{ + guint uid; + GError * err; + IndicatorSessionGuestDbus * self; + g_debug ("%s %s", G_STRLOC, G_STRFUNC); + + uid = 0; + err = NULL; + self = INDICATOR_SESSION_GUEST_DBUS (gself); + console_kit_session_call_get_unix_user_finish (self->priv->active_session, &uid, res, &err); + + if (err != NULL) + { + g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message); + g_error_free (err); + } + else + { + set_active_uid (self, uid); + } +} + + +static void +set_active_session (IndicatorSessionGuestDbus * self, + ConsoleKitSession * session) +{ + priv_t * p = self->priv; + + if (p->active_session != NULL) + { + g_debug ("%s %s active_session refcount is %d before we unref", G_STRLOC, G_STRFUNC, G_OBJECT(self->priv->active_session)->ref_count); + + g_clear_object (&p->active_session); + } + + if (session != NULL) + { + p->active_session = g_object_ref (session); + + console_kit_session_call_get_unix_user (session, + p->cancellable, + on_active_uid_ready, + self); + } +} + +static void +on_active_session_proxy_ready (GObject * o G_GNUC_UNUSED, GAsyncResult * res, gpointer gself) +{ + GError * err; + ConsoleKitSession * session; + + err = NULL; + session = console_kit_session_proxy_new_finish (res, &err); + + if (err != NULL) + { + g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message); + } + else + { + set_active_session (gself, session); + } + + g_clear_object (&session); +} + + +static void +on_active_session_changed (ConsoleKitSeat * seat G_GNUC_UNUSED, + const gchar * ssid, + IndicatorSessionGuestDbus * self) +{ + console_kit_session_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, + G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES, + "org.freedesktop.ConsoleKit", + ssid, + self->priv->cancellable, + on_active_session_proxy_ready, + self); +} + +static void +set_seat (IndicatorSessionGuestDbus * self, + ConsoleKitSeat * seat) +{ + priv_t * p = self->priv; + + if (p->seat != NULL) + { +g_debug ("%s %s guest-dbus disconnecting from %p", G_STRLOC, G_STRFUNC, (void*)p->seat); + g_signal_handlers_disconnect_by_data (p->seat, self); +g_debug ("%s %s seat refcount is %d before our unref", G_STRLOC, G_STRFUNC, G_OBJECT(p->seat)->ref_count); + + g_clear_object (&p->seat); + } + + if (seat != NULL) + { + p->seat = g_object_ref (seat); +g_debug ("%s %s guest-dbus connecting to %p", G_STRLOC, G_STRFUNC, (void*)p->seat); + + g_signal_connect (seat, "active-session-changed", + G_CALLBACK(on_active_session_changed), self); + } +} + +/*** +**** +***/ + +static void +set_guest (IndicatorSessionGuestDbus * self, + AccountsUser * guest) +{ + priv_t * p = self->priv; + + if (p->guest != NULL) + { + g_debug ("%s %s guest refcount is %d before we unref", G_STRLOC, G_STRFUNC, G_OBJECT(p->guest)->ref_count); + + g_clear_object (&p->guest); + } + + if (guest != NULL) + { + p->guest = g_object_ref (guest); + } + + g_debug ("%s %s guest proxy is now %p", G_STRLOC, G_STRFUNC, (void*)guest); + indicator_session_guest_notify_logged_in (INDICATOR_SESSION_GUEST(self)); + + check_for_active_guest (self); +} + +static void +on_user_deleted (IndicatorSessionGuestDbus * self, + const gchar * path) +{ + AccountsUser * guest = self->priv->guest; + g_debug ("%s %s %s", G_STRLOC, G_STRFUNC, path); + + if (guest != NULL) + if (!g_strcmp0 (path, g_dbus_proxy_get_object_path (G_DBUS_PROXY(guest)))) + set_guest (self, NULL); +} + +static gboolean +is_guest (AccountsUser * user) +{ + /* a guest will look like this: + username:[guest-jjbEVV] realname:[Guest] system:[1] */ + return IS_ACCOUNTS_USER(user) + && accounts_user_get_system_account (user) + && !g_ascii_strcasecmp (accounts_user_get_real_name(user), "Guest"); +} + +static void +on_user_proxy_ready (GObject * o G_GNUC_UNUSED, + GAsyncResult * res, + gpointer self) +{ + GError * err; + AccountsUser * user; + + err = NULL; + user = accounts_user_proxy_new_for_bus_finish (res, &err); + + if (err != NULL) + { + g_warning ("%s: %s", G_STRFUNC, err->message); + g_error_free (err); + } + else if (is_guest (user)) + { + g_debug ("%s %s got guest", G_STRLOC, G_STRFUNC); + set_guest (INDICATOR_SESSION_GUEST_DBUS(self), user); + } + + g_clear_object (&user); +} + +static void +create_user_proxy_for_path (IndicatorSessionGuestDbus * self, + const char * path) +{ + const char * name = "org.freedesktop.Accounts"; + const GDBusProxyFlags flags = G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES; + g_debug ("%s %s creating proxy for %s", G_STRLOC, G_STRFUNC, path); + + accounts_user_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, + flags, name, path, + self->priv->cancellable, + on_user_proxy_ready, self); +} + +static void +on_user_list_ready (GObject * o, GAsyncResult * res, gpointer gself) +{ + GError * err; + gchar ** paths; + + err = NULL; + paths = NULL; + accounts_call_list_cached_users_finish (ACCOUNTS(o), &paths, res, &err); + if (err != NULL) + { + g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message); + g_error_free (err); + } + else + { + int i; + + for (i=0; paths && paths[i]; ++i) + create_user_proxy_for_path (gself, paths[i]); + + g_strfreev (paths); + } +} + +static void +set_account_manager (IndicatorSessionGuestDbus * self, + Accounts * a) +{ + g_debug ("%s %s setting account manager to %p", G_STRLOC, G_STRFUNC, (void*)a); + + if (self->priv->accounts != NULL) + { +g_debug ("%s %s guest-dbus disconnecting from %p", G_STRLOC, G_STRFUNC, (void*)self->priv->accounts); + g_signal_handlers_disconnect_by_data (self->priv->accounts, self); +g_debug ("%s %s account manager refcount is %d before our unref", G_STRLOC, G_STRFUNC, G_OBJECT(self->priv->accounts)->ref_count); + g_clear_object (&self->priv->accounts); + } + + if (a != NULL) + { + self->priv->accounts = g_object_ref (a); + +g_debug ("%s %s guest-dbus connecting to %p", G_STRLOC, G_STRFUNC, (void*)self->priv->accounts); + g_signal_connect_swapped (a, "user-added", + G_CALLBACK(create_user_proxy_for_path), self); + + g_signal_connect_swapped (a, "user-deleted", + G_CALLBACK(on_user_deleted), self); + + accounts_call_list_cached_users (a, + self->priv->cancellable, + on_user_list_ready, + self); + } +} + +static void +set_guest_is_allowed (IndicatorSessionGuestDbus * self, gboolean guest_is_allowed) +{ + priv_t * p = self->priv; + g_debug ("%s %s guest_is_allowed: %d", G_STRLOC, G_STRFUNC, (int)guest_is_allowed); + + if (p->guest_is_allowed != guest_is_allowed) + { + p->guest_is_allowed = guest_is_allowed; + + indicator_session_guest_notify_allowed (INDICATOR_SESSION_GUEST (self)); + } +} + +static void +on_notify_has_guest_account (GObject * seat, GParamSpec * pspec G_GNUC_UNUSED, gpointer gself) +{ + set_guest_is_allowed (INDICATOR_SESSION_GUEST_DBUS (gself), + display_manager_seat_get_has_guest_account (DISPLAY_MANAGER_SEAT(seat))); +} + +static void +set_display_manager_seat (IndicatorSessionGuestDbus * self, DisplayManagerSeat * seat) +{ + priv_t * p = self->priv; + + if (p->display_manager_seat != NULL) + { + g_signal_handlers_disconnect_by_data (p->display_manager_seat, self); + g_debug ("%s %s before we unref, dm seat's refcount is %d", G_STRLOC, G_STRFUNC, G_OBJECT(p->display_manager_seat)->ref_count); + g_clear_object (&p->display_manager_seat); + } + + if (seat != NULL) + { + p->display_manager_seat = g_object_ref (seat); + + g_signal_connect (seat, "notify::has-guest-account", G_CALLBACK(on_notify_has_guest_account), self); + + on_notify_has_guest_account (G_OBJECT(seat), NULL, self); + } +} + +#if 0 +static void +on_display_manager_seat_proxy_ready (GObject * o, GAsyncResult * res, gpointer gself) +{ + GError * err; + DisplayManagerSeat * seat; + g_debug ("%s %s", G_STRLOC, G_STRFUNC); + + err = NULL; + seat = display_manager_seat_proxy_new_for_bus_finish (res, &err); + if (err != NULL) + { + g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message); + g_error_free (err); + } + else + { + set_display_manager_seat (INDICATOR_SESSION_GUEST_DBUS(gself), seat); + } + + g_clear_object (&seat); +} +#endif + +static void +on_switch_to_guest_done (GObject * o, GAsyncResult * res, gpointer unused G_GNUC_UNUSED) +{ + GError * err; + g_debug ("%s %s", G_STRLOC, G_STRFUNC); + + err = NULL; + display_manager_seat_call_switch_to_guest_finish (DISPLAY_MANAGER_SEAT(o), res, &err); + if (err != NULL) + { + g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message); + g_error_free (err); + } +} + +/*** +**** Virtual Functions +***/ + +static void +my_dispose (GObject * o) +{ + IndicatorSessionGuestDbus * self = INDICATOR_SESSION_GUEST_DBUS (o); + + if (self->priv->cancellable != NULL) + { + g_cancellable_cancel (self->priv->cancellable); + g_clear_object (&self->priv->cancellable); + } + + set_seat (self, NULL); + set_active_session (self, NULL); + set_account_manager (self, NULL); + set_display_manager_seat (self, NULL); + g_clear_object (&self->priv->guest); + + G_OBJECT_CLASS (indicator_session_guest_dbus_parent_class)->dispose (o); +} + +static void +my_finalize (GObject * o) +{ + /*IndicatorSessionGuestDbus * u = INDICATOR_SESSION_GUEST_DBUS (o);*/ + + G_OBJECT_CLASS (indicator_session_guest_dbus_parent_class)->finalize (o); +} + +static gboolean +my_is_allowed (IndicatorSessionGuest * self) +{ + g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self), FALSE); + + return INDICATOR_SESSION_GUEST_DBUS(self)->priv->guest_is_allowed; +} + +static gboolean +my_is_logged_in (IndicatorSessionGuest * self) +{ + g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self), FALSE); + + return INDICATOR_SESSION_GUEST_DBUS(self)->priv->guest != NULL; +} + +static gboolean +my_is_active (IndicatorSessionGuest * self) +{ + g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self), FALSE); + + return INDICATOR_SESSION_GUEST_DBUS(self)->priv->guest_is_active; +} + +static void +my_switch_to_guest (IndicatorSessionGuest * self) +{ + priv_t * p; + g_debug ("%s %s", G_STRLOC, G_STRFUNC); + + g_return_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self)); + + p = INDICATOR_SESSION_GUEST_DBUS(self)->priv; + + if (p->display_manager_seat != NULL) + { + display_manager_seat_call_switch_to_guest (p->display_manager_seat, + "", + p->cancellable, + on_switch_to_guest_done, + self); + } +} + +/*** +**** GObject Boilerplate +***/ + +static void +/* cppcheck-suppress unusedFunction */ +indicator_session_guest_dbus_class_init (IndicatorSessionGuestDbusClass * klass) +{ + GObjectClass * object_class; + IndicatorSessionGuestClass * guest_class; + + object_class = G_OBJECT_CLASS (klass); + object_class->dispose = my_dispose; + object_class->finalize = my_finalize; + + guest_class = INDICATOR_SESSION_GUEST_CLASS (klass); + guest_class->is_allowed = my_is_allowed; + guest_class->is_logged_in = my_is_logged_in; + guest_class->is_active = my_is_active; + guest_class->switch_to_guest = my_switch_to_guest; + + g_type_class_add_private (klass, sizeof (IndicatorSessionGuestDbusPriv)); +} + +static void +/* cppcheck-suppress unusedFunction */ +indicator_session_guest_dbus_init (IndicatorSessionGuestDbus * self) +{ + priv_t * p; + + p = G_TYPE_INSTANCE_GET_PRIVATE (self, + INDICATOR_TYPE_SESSION_GUEST_DBUS, + IndicatorSessionGuestDbusPriv); + p->cancellable = g_cancellable_new (); + self->priv = p; + +#if 0 + display_manager_seat_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, + G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES, + "org.freedesktop.DisplayManager", + g_getenv ("XDG_SEAT_PATH"), + self->priv->cancellable, + on_display_manager_seat_proxy_ready, + self); +#endif +} + +/*** +**** Public +***/ + +IndicatorSessionGuest * +indicator_session_guest_dbus_new (void) +{ + gpointer o = g_object_new (INDICATOR_TYPE_SESSION_GUEST_DBUS, NULL); + + return INDICATOR_SESSION_GUEST (o); +} + +void +indicator_session_guest_dbus_set_proxies (IndicatorSessionGuestDbus * self, + Accounts * accounts, + DisplayManagerSeat * dm_seat, + ConsoleKitSeat * seat, + ConsoleKitSession * session) +{ + g_return_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self)); + g_debug ("%s %s accounts %p seat %p session %p", G_STRLOC, G_STRFUNC, (void*)accounts, (void*)seat, (void*)session); + + set_account_manager (self, accounts); + set_display_manager_seat (self, dm_seat); + set_seat (self, seat); + set_active_session (self, session); +} -- cgit v1.2.3