From f38bddc70a6ec7c1ab26d9a8b06eed25d618ae22 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 16:30:14 +0200 Subject: Adding upstream version 3.38.2.1. Signed-off-by: Daniel Baumann --- daemon/gdm-legacy-display.c | 303 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 303 insertions(+) create mode 100644 daemon/gdm-legacy-display.c (limited to 'daemon/gdm-legacy-display.c') diff --git a/daemon/gdm-legacy-display.c b/daemon/gdm-legacy-display.c new file mode 100644 index 0000000..e53d82b --- /dev/null +++ b/daemon/gdm-legacy-display.c @@ -0,0 +1,303 @@ +/* -*- 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 +#include +#include + +#include "gdm-common.h" +#include "gdm-display.h" +#include "gdm-launch-environment.h" +#include "gdm-legacy-display.h" +#include "gdm-local-display-glue.h" +#include "gdm-server.h" +#include "gdm-settings-direct.h" +#include "gdm-settings-keys.h" + +struct _GdmLegacyDisplay +{ + GdmDisplay parent; + + GdmDBusLocalDisplay *skeleton; + + GdmServer *server; +}; + +static void gdm_legacy_display_class_init (GdmLegacyDisplayClass *klass); +static void gdm_legacy_display_init (GdmLegacyDisplay *legacy_display); + +G_DEFINE_TYPE (GdmLegacyDisplay, gdm_legacy_display, GDM_TYPE_DISPLAY) + +static GObject * +gdm_legacy_display_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_properties) +{ + GdmLegacyDisplay *display; + + display = GDM_LEGACY_DISPLAY (G_OBJECT_CLASS (gdm_legacy_display_parent_class)->constructor (type, + n_construct_properties, + construct_properties)); + + display->skeleton = GDM_DBUS_LOCAL_DISPLAY (gdm_dbus_local_display_skeleton_new ()); + + g_dbus_object_skeleton_add_interface (gdm_display_get_object_skeleton (GDM_DISPLAY (display)), + G_DBUS_INTERFACE_SKELETON (display->skeleton)); + + return G_OBJECT (display); +} + +static void +gdm_legacy_display_finalize (GObject *object) +{ + GdmLegacyDisplay *display = GDM_LEGACY_DISPLAY (object); + + g_clear_object (&display->skeleton); + g_clear_object (&display->server); + + G_OBJECT_CLASS (gdm_legacy_display_parent_class)->finalize (object); +} + +static gboolean +gdm_legacy_display_prepare (GdmDisplay *display) +{ + GdmLegacyDisplay *self = GDM_LEGACY_DISPLAY (display); + GdmLaunchEnvironment *launch_environment; + char *display_name; + char *seat_id; + gboolean doing_initial_setup = FALSE; + + display_name = NULL; + seat_id = NULL; + + g_object_get (self, + "x11-display-name", &display_name, + "seat-id", &seat_id, + "doing-initial-setup", &doing_initial_setup, + NULL); + + if (!doing_initial_setup) { + launch_environment = gdm_create_greeter_launch_environment (display_name, + seat_id, + NULL, + NULL, + TRUE); + } else { + launch_environment = gdm_create_initial_setup_launch_environment (display_name, + seat_id, + NULL, + NULL, + TRUE); + } + + g_object_set (self, "launch-environment", launch_environment, NULL); + g_object_unref (launch_environment); + + if (!gdm_display_create_authority (display)) { + g_warning ("Unable to set up access control for display %s", + display_name); + return FALSE; + } + + return GDM_DISPLAY_CLASS (gdm_legacy_display_parent_class)->prepare (display); +} + +static void +on_server_ready (GdmServer *server, + GdmLegacyDisplay *self) +{ + gboolean ret; + + ret = gdm_display_connect (GDM_DISPLAY (self)); + + if (!ret) { + g_debug ("GdmDisplay: could not connect to display"); + gdm_display_unmanage (GDM_DISPLAY (self)); + } else { + GdmLaunchEnvironment *launch_environment; + char *display_device; + + display_device = gdm_server_get_display_device (server); + + g_object_get (G_OBJECT (self), + "launch-environment", &launch_environment, + NULL); + g_object_set (G_OBJECT (launch_environment), + "x11-display-device", + display_device, + NULL); + g_clear_pointer(&display_device, g_free); + g_clear_object (&launch_environment); + + g_debug ("GdmDisplay: connected to display"); + g_object_set (G_OBJECT (self), "status", GDM_DISPLAY_MANAGED, NULL); + } +} + +static void +on_server_exited (GdmServer *server, + int exit_code, + GdmDisplay *self) +{ + g_debug ("GdmDisplay: server exited with code %d\n", exit_code); + + gdm_display_unmanage (GDM_DISPLAY (self)); +} + +static void +on_server_died (GdmServer *server, + int signal_number, + GdmDisplay *self) +{ + g_debug ("GdmDisplay: server died with signal %d, (%s)", + signal_number, + g_strsignal (signal_number)); + + gdm_display_unmanage (GDM_DISPLAY (self)); +} + +static void +gdm_legacy_display_manage (GdmDisplay *display) +{ + GdmLegacyDisplay *self = GDM_LEGACY_DISPLAY (display); + char *display_name; + char *auth_file; + char *seat_id; + gboolean is_initial; + gboolean res; + gboolean disable_tcp; + + g_object_get (G_OBJECT (self), + "x11-display-name", &display_name, + "x11-authority-file", &auth_file, + "seat-id", &seat_id, + "is-initial", &is_initial, + NULL); + + self->server = gdm_server_new (display_name, seat_id, auth_file, is_initial); + + g_free (display_name); + g_free (auth_file); + g_free (seat_id); + + disable_tcp = TRUE; + if (gdm_settings_direct_get_boolean (GDM_KEY_DISALLOW_TCP, &disable_tcp)) { + g_object_set (self->server, + "disable-tcp", disable_tcp, + NULL); + } + + g_signal_connect (self->server, + "exited", + G_CALLBACK (on_server_exited), + self); + g_signal_connect (self->server, + "died", + G_CALLBACK (on_server_died), + self); + g_signal_connect (self->server, + "ready", + G_CALLBACK (on_server_ready), + self); + + res = gdm_server_start (self->server); + if (! res) { + g_warning (_("Could not start the X " + "server (your graphical environment) " + "due to an internal error. " + "Please contact your system administrator " + "or check your syslog to diagnose. " + "In the meantime this display will be " + "disabled. Please restart GDM when " + "the problem is corrected.")); + gdm_display_unmanage (GDM_DISPLAY (self)); + } + + g_debug ("GdmDisplay: Started X server"); + +} + +static void +gdm_legacy_display_class_init (GdmLegacyDisplayClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GdmDisplayClass *display_class = GDM_DISPLAY_CLASS (klass); + + object_class->constructor = gdm_legacy_display_constructor; + object_class->finalize = gdm_legacy_display_finalize; + + display_class->prepare = gdm_legacy_display_prepare; + display_class->manage = gdm_legacy_display_manage; +} + +static void +on_display_status_changed (GdmLegacyDisplay *self) +{ + int status; + + status = gdm_display_get_status (GDM_DISPLAY (self)); + + switch (status) { + case GDM_DISPLAY_UNMANAGED: + if (self->server != NULL) + gdm_server_stop (self->server); + break; + default: + break; + } +} + +static void +gdm_legacy_display_init (GdmLegacyDisplay *legacy_display) +{ + g_signal_connect (legacy_display, "notify::status", + G_CALLBACK (on_display_status_changed), + NULL); +} + +GdmDisplay * +gdm_legacy_display_new (int display_number) +{ + GObject *object; + char *x11_display; + + x11_display = g_strdup_printf (":%d", display_number); + object = g_object_new (GDM_TYPE_LEGACY_DISPLAY, + "x11-display-number", display_number, + "x11-display-name", x11_display, + NULL); + g_free (x11_display); + + return GDM_DISPLAY (object); +} -- cgit v1.2.3