[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | * |
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| 19 | */ |
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| 20 | |
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| 21 | #include "config.h" |
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| 22 | |
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| 23 | #include <stdlib.h> |
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| 24 | #include <stdio.h> |
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| 25 | #include <unistd.h> |
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| 26 | #include <string.h> |
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| 27 | |
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| 28 | #include <glib.h> |
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| 29 | #include <glib/gi18n.h> |
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| 30 | #include <glib-object.h> |
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| 31 | #define DBUS_API_SUBJECT_TO_CHANGE |
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| 32 | #include <dbus/dbus.h> |
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| 33 | #include <dbus/dbus-glib.h> |
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| 34 | #include <dbus/dbus-glib-lowlevel.h> |
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| 35 | |
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| 36 | #include "gdm-greeter-client.h" |
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| 37 | #include "gdm-marshal.h" |
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| 38 | #include "gdm-profile.h" |
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| 39 | |
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| 40 | #define GDM_GREETER_CLIENT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_GREETER_CLIENT, GdmGreeterClientPrivate)) |
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| 41 | |
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| 42 | #define GREETER_SERVER_DBUS_PATH "/org/gnome/DisplayManager/GreeterServer" |
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| 43 | #define GREETER_SERVER_DBUS_INTERFACE "org.gnome.DisplayManager.GreeterServer" |
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| 44 | |
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| 45 | #define GDM_DBUS_NAME "org.gnome.DisplayManager" |
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| 46 | #define GDM_DBUS_DISPLAY_INTERFACE "org.gnome.DisplayManager.Display" |
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| 47 | |
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| 48 | struct GdmGreeterClientPrivate |
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| 49 | { |
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| 50 | DBusConnection *connection; |
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| 51 | char *address; |
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| 52 | |
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| 53 | char *display_id; |
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| 54 | gboolean display_is_local; |
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| 55 | }; |
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| 56 | |
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| 57 | enum { |
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| 58 | PROP_0, |
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| 59 | }; |
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| 60 | |
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| 61 | enum { |
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| 62 | INFO, |
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| 63 | PROBLEM, |
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| 64 | INFO_QUERY, |
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| 65 | SECRET_INFO_QUERY, |
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| 66 | READY, |
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| 67 | RESET, |
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| 68 | SELECTED_USER_CHANGED, |
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| 69 | DEFAULT_LANGUAGE_NAME_CHANGED, |
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| 70 | DEFAULT_LAYOUT_NAME_CHANGED, |
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| 71 | DEFAULT_SESSION_NAME_CHANGED, |
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| 72 | TIMED_LOGIN_REQUESTED, |
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| 73 | USER_AUTHORIZED, |
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| 74 | LAST_SIGNAL |
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| 75 | }; |
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| 76 | |
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| 77 | static guint gdm_greeter_client_signals [LAST_SIGNAL]; |
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| 78 | |
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| 79 | static void gdm_greeter_client_class_init (GdmGreeterClientClass *klass); |
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| 80 | static void gdm_greeter_client_init (GdmGreeterClient *greeter_client); |
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| 81 | static void gdm_greeter_client_finalize (GObject *object); |
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| 82 | |
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| 83 | G_DEFINE_TYPE (GdmGreeterClient, gdm_greeter_client, G_TYPE_OBJECT) |
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| 84 | |
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| 85 | static gpointer client_object = NULL; |
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| 86 | |
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| 87 | GQuark |
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| 88 | gdm_greeter_client_error_quark (void) |
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| 89 | { |
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| 90 | static GQuark error_quark = 0; |
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| 91 | |
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| 92 | if (error_quark == 0) |
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| 93 | error_quark = g_quark_from_static_string ("gdm-greeter-client"); |
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| 94 | |
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| 95 | return error_quark; |
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| 96 | } |
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| 97 | |
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| 98 | gboolean |
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| 99 | gdm_greeter_client_get_display_is_local (GdmGreeterClient *client) |
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| 100 | { |
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| 101 | g_return_val_if_fail (GDM_IS_GREETER_CLIENT (client), FALSE); |
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| 102 | |
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| 103 | return client->priv->display_is_local; |
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| 104 | } |
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| 105 | |
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| 106 | static void |
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| 107 | emit_string_and_int_signal_for_message (GdmGreeterClient *client, |
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| 108 | const char *name, |
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| 109 | DBusMessage *message, |
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| 110 | int signal) |
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| 111 | { |
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| 112 | DBusError error; |
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| 113 | const char *text; |
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| 114 | int number; |
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| 115 | dbus_bool_t res; |
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| 116 | |
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| 117 | dbus_error_init (&error); |
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| 118 | res = dbus_message_get_args (message, |
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| 119 | &error, |
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| 120 | DBUS_TYPE_STRING, &text, |
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| 121 | DBUS_TYPE_INT32, &number, |
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| 122 | DBUS_TYPE_INVALID); |
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| 123 | if (res) { |
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| 124 | |
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| 125 | g_debug ("GdmGreeterClient: Received %s (%s %d)", name, text, number); |
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| 126 | |
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| 127 | g_signal_emit (client, |
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| 128 | gdm_greeter_client_signals[signal], |
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| 129 | 0, text, number); |
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| 130 | } else { |
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| 131 | g_warning ("Unable to get arguments: %s", error.message); |
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| 132 | dbus_error_free (&error); |
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| 133 | } |
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| 134 | } |
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| 135 | |
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| 136 | static void |
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| 137 | emit_string_signal_for_message (GdmGreeterClient *client, |
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| 138 | const char *name, |
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| 139 | DBusMessage *message, |
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| 140 | int signal) |
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| 141 | { |
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| 142 | DBusError error; |
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| 143 | const char *text; |
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| 144 | dbus_bool_t res; |
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| 145 | |
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| 146 | dbus_error_init (&error); |
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| 147 | res = dbus_message_get_args (message, |
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| 148 | &error, |
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| 149 | DBUS_TYPE_STRING, &text, |
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| 150 | DBUS_TYPE_INVALID); |
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| 151 | if (res) { |
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| 152 | |
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| 153 | g_debug ("GdmGreeterClient: Received %s (%s)", name, text); |
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| 154 | |
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| 155 | g_signal_emit (client, |
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| 156 | gdm_greeter_client_signals[signal], |
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| 157 | 0, text); |
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| 158 | } else { |
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| 159 | g_warning ("Unable to get arguments: %s", error.message); |
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| 160 | dbus_error_free (&error); |
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| 161 | } |
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| 162 | } |
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| 163 | |
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| 164 | static void |
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| 165 | on_selected_user_changed (GdmGreeterClient *client, |
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| 166 | DBusMessage *message) |
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| 167 | { |
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| 168 | emit_string_signal_for_message (client, "SelectedUserChanged", message, SELECTED_USER_CHANGED); |
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| 169 | } |
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| 170 | |
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| 171 | static void |
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| 172 | on_default_language_name_changed (GdmGreeterClient *client, |
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| 173 | DBusMessage *message) |
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| 174 | { |
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| 175 | emit_string_signal_for_message (client, "DefaultLanguageNameChanged", message, DEFAULT_LANGUAGE_NAME_CHANGED); |
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| 176 | } |
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| 177 | |
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| 178 | static void |
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| 179 | on_default_layout_name_changed (GdmGreeterClient *client, |
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| 180 | DBusMessage *message) |
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| 181 | { |
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| 182 | emit_string_signal_for_message (client, "DefaultLayoutNameChanged", message, DEFAULT_LAYOUT_NAME_CHANGED); |
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| 183 | } |
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| 184 | |
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| 185 | static void |
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| 186 | on_default_session_name_changed (GdmGreeterClient *client, |
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| 187 | DBusMessage *message) |
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| 188 | { |
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| 189 | emit_string_signal_for_message (client, "DefaultSessionNameChanged", message, DEFAULT_SESSION_NAME_CHANGED); |
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| 190 | } |
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| 191 | |
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| 192 | static void |
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| 193 | on_timed_login_requested (GdmGreeterClient *client, |
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| 194 | DBusMessage *message) |
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| 195 | { |
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| 196 | emit_string_and_int_signal_for_message (client, "TimedLoginRequested", message, TIMED_LOGIN_REQUESTED); |
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| 197 | } |
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| 198 | |
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| 199 | static void |
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| 200 | on_user_authorized (GdmGreeterClient *client, |
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| 201 | DBusMessage *message) |
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| 202 | { |
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| 203 | g_signal_emit (client, |
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| 204 | gdm_greeter_client_signals[USER_AUTHORIZED], |
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| 205 | 0); |
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| 206 | } |
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| 207 | |
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| 208 | static void |
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| 209 | on_info_query (GdmGreeterClient *client, |
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| 210 | DBusMessage *message) |
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| 211 | { |
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| 212 | emit_string_signal_for_message (client, "InfoQuery", message, INFO_QUERY); |
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| 213 | } |
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| 214 | |
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| 215 | static void |
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| 216 | on_secret_info_query (GdmGreeterClient *client, |
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| 217 | DBusMessage *message) |
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| 218 | { |
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| 219 | emit_string_signal_for_message (client, "SecretInfoQuery", message, SECRET_INFO_QUERY); |
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| 220 | } |
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| 221 | |
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| 222 | static void |
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| 223 | on_info (GdmGreeterClient *client, |
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| 224 | DBusMessage *message) |
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| 225 | { |
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| 226 | emit_string_signal_for_message (client, "Info", message, INFO); |
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| 227 | } |
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| 228 | |
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| 229 | static void |
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| 230 | on_problem (GdmGreeterClient *client, |
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| 231 | DBusMessage *message) |
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| 232 | { |
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| 233 | emit_string_signal_for_message (client, "Problem", message, PROBLEM); |
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| 234 | } |
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| 235 | |
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| 236 | static void |
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| 237 | on_ready (GdmGreeterClient *client, |
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| 238 | DBusMessage *message) |
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| 239 | { |
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| 240 | g_debug ("GdmGreeterClient: Ready"); |
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| 241 | |
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| 242 | g_signal_emit (client, |
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| 243 | gdm_greeter_client_signals[READY], |
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| 244 | 0); |
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| 245 | } |
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| 246 | |
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| 247 | static void |
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| 248 | on_reset (GdmGreeterClient *client, |
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| 249 | DBusMessage *message) |
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| 250 | { |
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| 251 | g_debug ("GdmGreeterClient: Reset"); |
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| 252 | |
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| 253 | g_signal_emit (client, |
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| 254 | gdm_greeter_client_signals[RESET], |
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| 255 | 0); |
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| 256 | } |
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| 257 | |
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| 258 | static gboolean |
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| 259 | send_dbus_string_method (DBusConnection *connection, |
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| 260 | const char *method, |
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| 261 | const char *payload) |
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| 262 | { |
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| 263 | DBusError error; |
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| 264 | DBusMessage *message; |
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| 265 | DBusMessage *reply; |
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| 266 | DBusMessageIter iter; |
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| 267 | const char *str; |
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| 268 | |
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| 269 | if (payload != NULL) { |
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| 270 | str = payload; |
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| 271 | } else { |
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| 272 | str = ""; |
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| 273 | } |
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| 274 | |
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| 275 | g_debug ("GdmGreeterClient: Calling %s", method); |
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| 276 | message = dbus_message_new_method_call (NULL, |
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| 277 | GREETER_SERVER_DBUS_PATH, |
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| 278 | GREETER_SERVER_DBUS_INTERFACE, |
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| 279 | method); |
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| 280 | if (message == NULL) { |
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| 281 | g_warning ("Couldn't allocate the D-Bus message"); |
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| 282 | return FALSE; |
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| 283 | } |
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| 284 | |
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| 285 | dbus_message_iter_init_append (message, &iter); |
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| 286 | dbus_message_iter_append_basic (&iter, |
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| 287 | DBUS_TYPE_STRING, |
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| 288 | &str); |
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| 289 | |
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| 290 | dbus_error_init (&error); |
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| 291 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 292 | message, |
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| 293 | -1, |
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| 294 | &error); |
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| 295 | |
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| 296 | dbus_message_unref (message); |
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| 297 | |
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| 298 | if (dbus_error_is_set (&error)) { |
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| 299 | g_warning ("%s %s raised: %s\n", |
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| 300 | method, |
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| 301 | error.name, |
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| 302 | error.message); |
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| 303 | return FALSE; |
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| 304 | } |
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| 305 | if (reply != NULL) { |
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| 306 | dbus_message_unref (reply); |
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| 307 | } |
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| 308 | dbus_connection_flush (connection); |
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| 309 | |
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| 310 | return TRUE; |
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| 311 | } |
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| 312 | |
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| 313 | static gboolean |
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| 314 | send_dbus_bool_method (DBusConnection *connection, |
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| 315 | const char *method, |
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| 316 | gboolean payload) |
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| 317 | { |
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| 318 | DBusError error; |
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| 319 | DBusMessage *message; |
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| 320 | DBusMessage *reply; |
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| 321 | DBusMessageIter iter; |
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| 322 | |
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| 323 | g_debug ("GdmGreeterClient: Calling %s", method); |
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| 324 | message = dbus_message_new_method_call (NULL, |
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| 325 | GREETER_SERVER_DBUS_PATH, |
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| 326 | GREETER_SERVER_DBUS_INTERFACE, |
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| 327 | method); |
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| 328 | if (message == NULL) { |
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| 329 | g_warning ("Couldn't allocate the D-Bus message"); |
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| 330 | return FALSE; |
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| 331 | } |
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| 332 | |
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| 333 | dbus_message_iter_init_append (message, &iter); |
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| 334 | dbus_message_iter_append_basic (&iter, |
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| 335 | DBUS_TYPE_BOOLEAN, |
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| 336 | &payload); |
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| 337 | |
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| 338 | dbus_error_init (&error); |
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| 339 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 340 | message, |
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| 341 | -1, |
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| 342 | &error); |
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| 343 | |
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| 344 | dbus_message_unref (message); |
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| 345 | |
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| 346 | if (dbus_error_is_set (&error)) { |
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| 347 | g_warning ("%s %s raised: %s\n", |
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| 348 | method, |
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| 349 | error.name, |
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| 350 | error.message); |
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| 351 | return FALSE; |
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| 352 | } |
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| 353 | if (reply != NULL) { |
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| 354 | dbus_message_unref (reply); |
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| 355 | } |
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| 356 | dbus_connection_flush (connection); |
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| 357 | |
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| 358 | return TRUE; |
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| 359 | } |
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| 360 | |
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| 361 | static gboolean |
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| 362 | send_dbus_void_method (DBusConnection *connection, |
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| 363 | const char *method) |
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| 364 | { |
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| 365 | DBusError error; |
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| 366 | DBusMessage *message; |
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| 367 | DBusMessage *reply; |
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| 368 | |
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| 369 | g_debug ("GdmGreeterClient: Calling %s", method); |
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| 370 | message = dbus_message_new_method_call (NULL, |
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| 371 | GREETER_SERVER_DBUS_PATH, |
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| 372 | GREETER_SERVER_DBUS_INTERFACE, |
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| 373 | method); |
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| 374 | if (message == NULL) { |
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| 375 | g_warning ("Couldn't allocate the D-Bus message"); |
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| 376 | return FALSE; |
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| 377 | } |
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| 378 | |
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| 379 | dbus_error_init (&error); |
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| 380 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 381 | message, |
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| 382 | -1, |
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| 383 | &error); |
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| 384 | |
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| 385 | dbus_message_unref (message); |
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| 386 | |
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| 387 | if (dbus_error_is_set (&error)) { |
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| 388 | g_warning ("%s %s raised: %s\n", |
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| 389 | method, |
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| 390 | error.name, |
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| 391 | error.message); |
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| 392 | return FALSE; |
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| 393 | } |
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| 394 | if (reply != NULL) { |
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| 395 | dbus_message_unref (reply); |
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| 396 | } |
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| 397 | dbus_connection_flush (connection); |
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| 398 | |
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| 399 | return TRUE; |
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| 400 | } |
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| 401 | |
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| 402 | void |
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| 403 | gdm_greeter_client_call_begin_auto_login (GdmGreeterClient *client, |
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| 404 | const char *username) |
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| 405 | { |
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| 406 | send_dbus_string_method (client->priv->connection, |
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| 407 | "BeginAutoLogin", username); |
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| 408 | } |
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| 409 | |
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| 410 | void |
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| 411 | gdm_greeter_client_call_begin_verification (GdmGreeterClient *client) |
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| 412 | { |
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| 413 | send_dbus_void_method (client->priv->connection, |
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| 414 | "BeginVerification"); |
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| 415 | } |
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| 416 | |
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| 417 | void |
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| 418 | gdm_greeter_client_call_begin_verification_for_user (GdmGreeterClient *client, |
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| 419 | const char *username) |
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| 420 | { |
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| 421 | send_dbus_string_method (client->priv->connection, |
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| 422 | "BeginVerificationForUser", |
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| 423 | username); |
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| 424 | } |
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| 425 | |
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| 426 | void |
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| 427 | gdm_greeter_client_call_answer_query (GdmGreeterClient *client, |
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| 428 | const char *text) |
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| 429 | { |
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| 430 | send_dbus_string_method (client->priv->connection, |
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| 431 | "AnswerQuery", |
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| 432 | text); |
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| 433 | } |
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| 434 | |
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| 435 | void |
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| 436 | gdm_greeter_client_call_start_session_when_ready (GdmGreeterClient *client, |
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| 437 | gboolean should_start_session) |
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| 438 | { |
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| 439 | send_dbus_bool_method (client->priv->connection, |
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| 440 | "StartSessionWhenReady", |
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| 441 | should_start_session); |
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| 442 | } |
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| 443 | |
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| 444 | void |
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| 445 | gdm_greeter_client_call_select_session (GdmGreeterClient *client, |
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| 446 | const char *text) |
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| 447 | { |
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| 448 | send_dbus_string_method (client->priv->connection, |
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| 449 | "SelectSession", |
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| 450 | text); |
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| 451 | } |
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| 452 | |
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| 453 | void |
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| 454 | gdm_greeter_client_call_select_language (GdmGreeterClient *client, |
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| 455 | const char *text) |
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| 456 | { |
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| 457 | send_dbus_string_method (client->priv->connection, |
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| 458 | "SelectLanguage", |
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| 459 | text); |
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| 460 | } |
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| 461 | |
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| 462 | void |
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| 463 | gdm_greeter_client_call_select_layout (GdmGreeterClient *client, |
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| 464 | const char *text) |
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| 465 | { |
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| 466 | send_dbus_string_method (client->priv->connection, |
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| 467 | "SelectLayout", |
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| 468 | text); |
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| 469 | } |
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| 470 | void |
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| 471 | gdm_greeter_client_call_select_user (GdmGreeterClient *client, |
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| 472 | const char *text) |
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| 473 | { |
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| 474 | send_dbus_string_method (client->priv->connection, |
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| 475 | "SelectUser", |
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| 476 | text); |
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| 477 | } |
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| 478 | |
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| 479 | void |
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| 480 | gdm_greeter_client_call_select_hostname (GdmGreeterClient *client, |
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| 481 | const char *text) |
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| 482 | { |
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| 483 | send_dbus_string_method (client->priv->connection, |
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| 484 | "SelectHostname", |
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| 485 | text); |
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| 486 | } |
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| 487 | |
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| 488 | void |
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| 489 | gdm_greeter_client_call_cancel (GdmGreeterClient *client) |
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| 490 | { |
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| 491 | send_dbus_void_method (client->priv->connection, |
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| 492 | "Cancel"); |
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| 493 | } |
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| 494 | |
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| 495 | void |
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| 496 | gdm_greeter_client_call_disconnect (GdmGreeterClient *client) |
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| 497 | { |
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| 498 | send_dbus_void_method (client->priv->connection, |
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| 499 | "Disconnect"); |
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| 500 | } |
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| 501 | |
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| 502 | |
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| 503 | static gboolean |
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| 504 | send_get_display_id (GdmGreeterClient *client, |
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| 505 | const char *method, |
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| 506 | char **answerp) |
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| 507 | { |
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| 508 | DBusError error; |
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| 509 | DBusMessage *message; |
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| 510 | DBusMessage *reply; |
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| 511 | DBusMessageIter iter; |
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| 512 | gboolean ret; |
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| 513 | const char *answer; |
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| 514 | |
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| 515 | ret = FALSE; |
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| 516 | |
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| 517 | g_debug ("GdmGreeterClient: Calling %s", method); |
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| 518 | message = dbus_message_new_method_call (NULL, |
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| 519 | GREETER_SERVER_DBUS_PATH, |
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| 520 | GREETER_SERVER_DBUS_INTERFACE, |
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| 521 | method); |
---|
| 522 | if (message == NULL) { |
---|
| 523 | g_warning ("Couldn't allocate the D-Bus message"); |
---|
| 524 | return FALSE; |
---|
| 525 | } |
---|
| 526 | |
---|
| 527 | dbus_error_init (&error); |
---|
| 528 | reply = dbus_connection_send_with_reply_and_block (client->priv->connection, |
---|
| 529 | message, |
---|
| 530 | -1, |
---|
| 531 | &error); |
---|
| 532 | dbus_message_unref (message); |
---|
| 533 | |
---|
| 534 | if (dbus_error_is_set (&error)) { |
---|
| 535 | g_warning ("%s %s raised: %s\n", |
---|
| 536 | method, |
---|
| 537 | error.name, |
---|
| 538 | error.message); |
---|
| 539 | goto out; |
---|
| 540 | } |
---|
| 541 | |
---|
| 542 | dbus_message_iter_init (reply, &iter); |
---|
| 543 | dbus_message_iter_get_basic (&iter, &answer); |
---|
| 544 | if (answerp != NULL) { |
---|
| 545 | *answerp = g_strdup (answer); |
---|
| 546 | } |
---|
| 547 | ret = TRUE; |
---|
| 548 | |
---|
| 549 | dbus_message_unref (reply); |
---|
| 550 | dbus_connection_flush (client->priv->connection); |
---|
| 551 | |
---|
| 552 | out: |
---|
| 553 | |
---|
| 554 | return ret; |
---|
| 555 | } |
---|
| 556 | |
---|
| 557 | char * |
---|
| 558 | gdm_greeter_client_call_get_display_id (GdmGreeterClient *client) |
---|
| 559 | { |
---|
| 560 | char *display_id; |
---|
| 561 | |
---|
| 562 | display_id = NULL; |
---|
| 563 | send_get_display_id (client, |
---|
| 564 | "GetDisplayId", |
---|
| 565 | &display_id); |
---|
| 566 | |
---|
| 567 | return display_id; |
---|
| 568 | } |
---|
| 569 | |
---|
| 570 | static void |
---|
| 571 | cache_display_values (GdmGreeterClient *client) |
---|
| 572 | { |
---|
| 573 | DBusGProxy *display_proxy; |
---|
| 574 | DBusGConnection *connection; |
---|
| 575 | GError *error; |
---|
| 576 | gboolean res; |
---|
| 577 | |
---|
| 578 | g_free (client->priv->display_id); |
---|
| 579 | client->priv->display_id = gdm_greeter_client_call_get_display_id (client); |
---|
| 580 | if (client->priv->display_id == NULL) { |
---|
| 581 | return; |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | error = NULL; |
---|
| 585 | connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); |
---|
| 586 | if (connection == NULL) { |
---|
| 587 | if (error != NULL) { |
---|
| 588 | g_critical ("error getting system bus: %s", error->message); |
---|
| 589 | g_error_free (error); |
---|
| 590 | } |
---|
| 591 | return; |
---|
| 592 | } |
---|
| 593 | |
---|
| 594 | g_debug ("GdmGreeterClient: Creating proxy for %s", client->priv->display_id); |
---|
| 595 | display_proxy = dbus_g_proxy_new_for_name (connection, |
---|
| 596 | GDM_DBUS_NAME, |
---|
| 597 | client->priv->display_id, |
---|
| 598 | GDM_DBUS_DISPLAY_INTERFACE); |
---|
| 599 | /* cache some values up front */ |
---|
| 600 | error = NULL; |
---|
| 601 | res = dbus_g_proxy_call (display_proxy, |
---|
| 602 | "IsLocal", |
---|
| 603 | &error, |
---|
| 604 | G_TYPE_INVALID, |
---|
| 605 | G_TYPE_BOOLEAN, &client->priv->display_is_local, |
---|
| 606 | G_TYPE_INVALID); |
---|
| 607 | if (! res) { |
---|
| 608 | if (error != NULL) { |
---|
| 609 | g_warning ("Failed to get value: %s", error->message); |
---|
| 610 | g_error_free (error); |
---|
| 611 | } else { |
---|
| 612 | g_warning ("Failed to get value"); |
---|
| 613 | } |
---|
| 614 | } |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | static DBusHandlerResult |
---|
| 618 | client_dbus_handle_message (DBusConnection *connection, |
---|
| 619 | DBusMessage *message, |
---|
| 620 | void *user_data, |
---|
| 621 | dbus_bool_t local_interface) |
---|
| 622 | { |
---|
| 623 | GdmGreeterClient *client = GDM_GREETER_CLIENT (user_data); |
---|
| 624 | |
---|
| 625 | #if 0 |
---|
| 626 | g_message ("obj_path=%s interface=%s method=%s destination=%s", |
---|
| 627 | dbus_message_get_path (message), |
---|
| 628 | dbus_message_get_interface (message), |
---|
| 629 | dbus_message_get_member (message), |
---|
| 630 | dbus_message_get_destination (message)); |
---|
| 631 | #endif |
---|
| 632 | |
---|
| 633 | g_return_val_if_fail (connection != NULL, DBUS_HANDLER_RESULT_NOT_YET_HANDLED); |
---|
| 634 | g_return_val_if_fail (message != NULL, DBUS_HANDLER_RESULT_NOT_YET_HANDLED); |
---|
| 635 | |
---|
| 636 | if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "InfoQuery")) { |
---|
| 637 | on_info_query (client, message); |
---|
| 638 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "SecretInfoQuery")) { |
---|
| 639 | on_secret_info_query (client, message); |
---|
| 640 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "Info")) { |
---|
| 641 | on_info (client, message); |
---|
| 642 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "Problem")) { |
---|
| 643 | on_problem (client, message); |
---|
| 644 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "Ready")) { |
---|
| 645 | on_ready (client, message); |
---|
| 646 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "Reset")) { |
---|
| 647 | on_reset (client, message); |
---|
| 648 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "SelectedUserChanged")) { |
---|
| 649 | on_selected_user_changed (client, message); |
---|
| 650 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "DefaultLanguageNameChanged")) { |
---|
| 651 | on_default_language_name_changed (client, message); |
---|
| 652 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "DefaultLayoutNameChanged")) { |
---|
| 653 | on_default_layout_name_changed (client, message); |
---|
| 654 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "DefaultSessionNameChanged")) { |
---|
| 655 | on_default_session_name_changed (client, message); |
---|
| 656 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "TimedLoginRequested")) { |
---|
| 657 | on_timed_login_requested (client, message); |
---|
| 658 | } else if (dbus_message_is_signal (message, GREETER_SERVER_DBUS_INTERFACE, "UserAuthorized")) { |
---|
| 659 | on_user_authorized (client, message); |
---|
| 660 | } else { |
---|
| 661 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
---|
| 662 | } |
---|
| 663 | |
---|
| 664 | return DBUS_HANDLER_RESULT_HANDLED; |
---|
| 665 | } |
---|
| 666 | |
---|
| 667 | static DBusHandlerResult |
---|
| 668 | client_dbus_filter_function (DBusConnection *connection, |
---|
| 669 | DBusMessage *message, |
---|
| 670 | void *user_data) |
---|
| 671 | { |
---|
| 672 | GdmGreeterClient *client = GDM_GREETER_CLIENT (user_data); |
---|
| 673 | const char *path; |
---|
| 674 | |
---|
| 675 | path = dbus_message_get_path (message); |
---|
| 676 | |
---|
| 677 | g_debug ("GdmGreeterClient: obj_path=%s interface=%s method=%s", |
---|
| 678 | dbus_message_get_path (message), |
---|
| 679 | dbus_message_get_interface (message), |
---|
| 680 | dbus_message_get_member (message)); |
---|
| 681 | |
---|
| 682 | if (dbus_message_is_signal (message, DBUS_INTERFACE_LOCAL, "Disconnected") |
---|
| 683 | && strcmp (path, DBUS_PATH_LOCAL) == 0) { |
---|
| 684 | |
---|
| 685 | g_message ("Got disconnected from the session message bus"); |
---|
| 686 | |
---|
| 687 | dbus_connection_unref (connection); |
---|
| 688 | client->priv->connection = NULL; |
---|
| 689 | |
---|
| 690 | } else if (dbus_message_is_signal (message, |
---|
| 691 | DBUS_INTERFACE_DBUS, |
---|
| 692 | "NameOwnerChanged")) { |
---|
| 693 | g_debug ("GdmGreeterClient: Name owner changed?"); |
---|
| 694 | } else { |
---|
| 695 | return client_dbus_handle_message (connection, message, user_data, FALSE); |
---|
| 696 | } |
---|
| 697 | |
---|
| 698 | return DBUS_HANDLER_RESULT_HANDLED; |
---|
| 699 | } |
---|
| 700 | |
---|
| 701 | gboolean |
---|
| 702 | gdm_greeter_client_start (GdmGreeterClient *client, |
---|
| 703 | GError **error) |
---|
| 704 | { |
---|
| 705 | gboolean ret; |
---|
| 706 | DBusError local_error; |
---|
| 707 | |
---|
| 708 | g_return_val_if_fail (GDM_IS_GREETER_CLIENT (client), FALSE); |
---|
| 709 | |
---|
| 710 | gdm_profile_start (NULL); |
---|
| 711 | |
---|
| 712 | ret = FALSE; |
---|
| 713 | |
---|
| 714 | if (client->priv->address == NULL) { |
---|
| 715 | g_warning ("GDM_GREETER_DBUS_ADDRESS not set"); |
---|
| 716 | g_set_error (error, |
---|
| 717 | GDM_GREETER_CLIENT_ERROR, |
---|
| 718 | GDM_GREETER_CLIENT_ERROR_GENERIC, |
---|
| 719 | "GDM_GREETER_DBUS_ADDRESS not set"); |
---|
| 720 | goto out; |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | g_debug ("GdmGreeterClient: connecting to address: %s", client->priv->address); |
---|
| 724 | |
---|
| 725 | dbus_error_init (&local_error); |
---|
| 726 | client->priv->connection = dbus_connection_open (client->priv->address, &local_error); |
---|
| 727 | if (client->priv->connection == NULL) { |
---|
| 728 | if (dbus_error_is_set (&local_error)) { |
---|
| 729 | g_warning ("error opening connection: %s", local_error.message); |
---|
| 730 | g_set_error (error, |
---|
| 731 | GDM_GREETER_CLIENT_ERROR, |
---|
| 732 | GDM_GREETER_CLIENT_ERROR_GENERIC, |
---|
| 733 | "%s", local_error.message); |
---|
| 734 | dbus_error_free (&local_error); |
---|
| 735 | } else { |
---|
| 736 | g_warning ("Unable to open connection"); |
---|
| 737 | } |
---|
| 738 | goto out; |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | dbus_connection_setup_with_g_main (client->priv->connection, NULL); |
---|
| 742 | dbus_connection_set_exit_on_disconnect (client->priv->connection, TRUE); |
---|
| 743 | |
---|
| 744 | dbus_connection_add_filter (client->priv->connection, |
---|
| 745 | client_dbus_filter_function, |
---|
| 746 | client, |
---|
| 747 | NULL); |
---|
| 748 | |
---|
| 749 | cache_display_values (client); |
---|
| 750 | |
---|
| 751 | ret = TRUE; |
---|
| 752 | |
---|
| 753 | out: |
---|
| 754 | gdm_profile_end (NULL); |
---|
| 755 | |
---|
| 756 | return ret; |
---|
| 757 | } |
---|
| 758 | |
---|
| 759 | void |
---|
| 760 | gdm_greeter_client_stop (GdmGreeterClient *client) |
---|
| 761 | { |
---|
| 762 | g_return_if_fail (GDM_IS_GREETER_CLIENT (client)); |
---|
| 763 | |
---|
| 764 | } |
---|
| 765 | |
---|
| 766 | static void |
---|
| 767 | gdm_greeter_client_set_property (GObject *object, |
---|
| 768 | guint prop_id, |
---|
| 769 | const GValue *value, |
---|
| 770 | GParamSpec *pspec) |
---|
| 771 | { |
---|
| 772 | switch (prop_id) { |
---|
| 773 | default: |
---|
| 774 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
| 775 | break; |
---|
| 776 | } |
---|
| 777 | } |
---|
| 778 | |
---|
| 779 | static void |
---|
| 780 | gdm_greeter_client_get_property (GObject *object, |
---|
| 781 | guint prop_id, |
---|
| 782 | GValue *value, |
---|
| 783 | GParamSpec *pspec) |
---|
| 784 | { |
---|
| 785 | switch (prop_id) { |
---|
| 786 | default: |
---|
| 787 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
| 788 | break; |
---|
| 789 | } |
---|
| 790 | } |
---|
| 791 | |
---|
| 792 | static GObject * |
---|
| 793 | gdm_greeter_client_constructor (GType type, |
---|
| 794 | guint n_construct_properties, |
---|
| 795 | GObjectConstructParam *construct_properties) |
---|
| 796 | { |
---|
| 797 | GdmGreeterClient *greeter_client; |
---|
| 798 | |
---|
| 799 | greeter_client = GDM_GREETER_CLIENT (G_OBJECT_CLASS (gdm_greeter_client_parent_class)->constructor (type, |
---|
| 800 | n_construct_properties, |
---|
| 801 | construct_properties)); |
---|
| 802 | |
---|
| 803 | return G_OBJECT (greeter_client); |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | static void |
---|
| 807 | gdm_greeter_client_dispose (GObject *object) |
---|
| 808 | { |
---|
| 809 | g_debug ("GdmGreeterClient: Disposing greeter_client"); |
---|
| 810 | |
---|
| 811 | G_OBJECT_CLASS (gdm_greeter_client_parent_class)->dispose (object); |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | static void |
---|
| 815 | gdm_greeter_client_class_init (GdmGreeterClientClass *klass) |
---|
| 816 | { |
---|
| 817 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
---|
| 818 | |
---|
| 819 | object_class->get_property = gdm_greeter_client_get_property; |
---|
| 820 | object_class->set_property = gdm_greeter_client_set_property; |
---|
| 821 | object_class->constructor = gdm_greeter_client_constructor; |
---|
| 822 | object_class->dispose = gdm_greeter_client_dispose; |
---|
| 823 | object_class->finalize = gdm_greeter_client_finalize; |
---|
| 824 | |
---|
| 825 | g_type_class_add_private (klass, sizeof (GdmGreeterClientPrivate)); |
---|
| 826 | |
---|
| 827 | gdm_greeter_client_signals[INFO_QUERY] = |
---|
| 828 | g_signal_new ("info-query", |
---|
| 829 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 830 | G_SIGNAL_RUN_LAST, |
---|
| 831 | G_STRUCT_OFFSET (GdmGreeterClientClass, info_query), |
---|
| 832 | NULL, |
---|
| 833 | NULL, |
---|
| 834 | g_cclosure_marshal_VOID__STRING, |
---|
| 835 | G_TYPE_NONE, |
---|
| 836 | 1, |
---|
| 837 | G_TYPE_STRING); |
---|
| 838 | |
---|
| 839 | gdm_greeter_client_signals[SECRET_INFO_QUERY] = |
---|
| 840 | g_signal_new ("secret-info-query", |
---|
| 841 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 842 | G_SIGNAL_RUN_LAST, |
---|
| 843 | G_STRUCT_OFFSET (GdmGreeterClientClass, secret_info_query), |
---|
| 844 | NULL, |
---|
| 845 | NULL, |
---|
| 846 | g_cclosure_marshal_VOID__STRING, |
---|
| 847 | G_TYPE_NONE, |
---|
| 848 | 1, |
---|
| 849 | G_TYPE_STRING); |
---|
| 850 | |
---|
| 851 | gdm_greeter_client_signals[INFO] = |
---|
| 852 | g_signal_new ("info", |
---|
| 853 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 854 | G_SIGNAL_RUN_FIRST, |
---|
| 855 | G_STRUCT_OFFSET (GdmGreeterClientClass, info), |
---|
| 856 | NULL, |
---|
| 857 | NULL, |
---|
| 858 | g_cclosure_marshal_VOID__STRING, |
---|
| 859 | G_TYPE_NONE, |
---|
| 860 | 1, |
---|
| 861 | G_TYPE_STRING); |
---|
| 862 | |
---|
| 863 | gdm_greeter_client_signals[PROBLEM] = |
---|
| 864 | g_signal_new ("problem", |
---|
| 865 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 866 | G_SIGNAL_RUN_FIRST, |
---|
| 867 | G_STRUCT_OFFSET (GdmGreeterClientClass, problem), |
---|
| 868 | NULL, |
---|
| 869 | NULL, |
---|
| 870 | g_cclosure_marshal_VOID__STRING, |
---|
| 871 | G_TYPE_NONE, |
---|
| 872 | 1, |
---|
| 873 | G_TYPE_STRING); |
---|
| 874 | |
---|
| 875 | gdm_greeter_client_signals[READY] = |
---|
| 876 | g_signal_new ("ready", |
---|
| 877 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 878 | G_SIGNAL_RUN_FIRST, |
---|
| 879 | G_STRUCT_OFFSET (GdmGreeterClientClass, ready), |
---|
| 880 | NULL, |
---|
| 881 | NULL, |
---|
| 882 | g_cclosure_marshal_VOID__VOID, |
---|
| 883 | G_TYPE_NONE, |
---|
| 884 | 0); |
---|
| 885 | |
---|
| 886 | gdm_greeter_client_signals[RESET] = |
---|
| 887 | g_signal_new ("reset", |
---|
| 888 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 889 | G_SIGNAL_RUN_FIRST, |
---|
| 890 | G_STRUCT_OFFSET (GdmGreeterClientClass, reset), |
---|
| 891 | NULL, |
---|
| 892 | NULL, |
---|
| 893 | g_cclosure_marshal_VOID__VOID, |
---|
| 894 | G_TYPE_NONE, |
---|
| 895 | 0); |
---|
| 896 | gdm_greeter_client_signals[SELECTED_USER_CHANGED] = |
---|
| 897 | g_signal_new ("selected-user-changed", |
---|
| 898 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 899 | G_SIGNAL_RUN_FIRST, |
---|
| 900 | G_STRUCT_OFFSET (GdmGreeterClientClass, selected_user_changed), |
---|
| 901 | NULL, |
---|
| 902 | NULL, |
---|
| 903 | g_cclosure_marshal_VOID__STRING, |
---|
| 904 | G_TYPE_NONE, |
---|
| 905 | 1, G_TYPE_STRING); |
---|
| 906 | gdm_greeter_client_signals[DEFAULT_LANGUAGE_NAME_CHANGED] = |
---|
| 907 | g_signal_new ("default-language-name-changed", |
---|
| 908 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 909 | G_SIGNAL_RUN_FIRST, |
---|
| 910 | G_STRUCT_OFFSET (GdmGreeterClientClass, default_language_name_changed), |
---|
| 911 | NULL, |
---|
| 912 | NULL, |
---|
| 913 | g_cclosure_marshal_VOID__STRING, |
---|
| 914 | G_TYPE_NONE, |
---|
| 915 | 1, G_TYPE_STRING); |
---|
| 916 | gdm_greeter_client_signals[DEFAULT_LAYOUT_NAME_CHANGED] = |
---|
| 917 | g_signal_new ("default-layout-name-changed", |
---|
| 918 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 919 | G_SIGNAL_RUN_FIRST, |
---|
| 920 | G_STRUCT_OFFSET (GdmGreeterClientClass, default_layout_name_changed), |
---|
| 921 | NULL, |
---|
| 922 | NULL, |
---|
| 923 | g_cclosure_marshal_VOID__STRING, |
---|
| 924 | G_TYPE_NONE, |
---|
| 925 | 1, G_TYPE_STRING); |
---|
| 926 | gdm_greeter_client_signals[DEFAULT_SESSION_NAME_CHANGED] = |
---|
| 927 | g_signal_new ("default-session-name-changed", |
---|
| 928 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 929 | G_SIGNAL_RUN_FIRST, |
---|
| 930 | G_STRUCT_OFFSET (GdmGreeterClientClass, default_session_name_changed), |
---|
| 931 | NULL, |
---|
| 932 | NULL, |
---|
| 933 | g_cclosure_marshal_VOID__STRING, |
---|
| 934 | G_TYPE_NONE, |
---|
| 935 | 1, G_TYPE_STRING); |
---|
| 936 | |
---|
| 937 | gdm_greeter_client_signals[TIMED_LOGIN_REQUESTED] = |
---|
| 938 | g_signal_new ("timed-login-requested", |
---|
| 939 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 940 | G_SIGNAL_RUN_FIRST, |
---|
| 941 | G_STRUCT_OFFSET (GdmGreeterClientClass, default_session_name_changed), |
---|
| 942 | NULL, |
---|
| 943 | NULL, |
---|
| 944 | gdm_marshal_VOID__STRING_INT, |
---|
| 945 | G_TYPE_NONE, |
---|
| 946 | 2, G_TYPE_STRING, G_TYPE_INT); |
---|
| 947 | |
---|
| 948 | gdm_greeter_client_signals[USER_AUTHORIZED] = |
---|
| 949 | g_signal_new ("user-authorized", |
---|
| 950 | G_OBJECT_CLASS_TYPE (object_class), |
---|
| 951 | G_SIGNAL_RUN_FIRST, |
---|
| 952 | G_STRUCT_OFFSET (GdmGreeterClientClass, user_authorized), |
---|
| 953 | NULL, |
---|
| 954 | NULL, |
---|
| 955 | g_cclosure_marshal_VOID__VOID, |
---|
| 956 | G_TYPE_NONE, 0); |
---|
| 957 | } |
---|
| 958 | |
---|
| 959 | static void |
---|
| 960 | gdm_greeter_client_init (GdmGreeterClient *client) |
---|
| 961 | { |
---|
| 962 | |
---|
| 963 | client->priv = GDM_GREETER_CLIENT_GET_PRIVATE (client); |
---|
| 964 | |
---|
| 965 | client->priv->address = g_strdup (g_getenv ("GDM_GREETER_DBUS_ADDRESS")); |
---|
| 966 | } |
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| 967 | |
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| 968 | static void |
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| 969 | gdm_greeter_client_finalize (GObject *object) |
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| 970 | { |
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| 971 | GdmGreeterClient *client; |
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| 972 | |
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| 973 | g_return_if_fail (object != NULL); |
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| 974 | g_return_if_fail (GDM_IS_GREETER_CLIENT (object)); |
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| 975 | |
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| 976 | client = GDM_GREETER_CLIENT (object); |
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| 977 | |
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| 978 | g_return_if_fail (client->priv != NULL); |
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| 979 | |
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| 980 | g_free (client->priv->address); |
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| 981 | |
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| 982 | G_OBJECT_CLASS (gdm_greeter_client_parent_class)->finalize (object); |
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| 983 | } |
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| 984 | |
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| 985 | GdmGreeterClient * |
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| 986 | gdm_greeter_client_new (void) |
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| 987 | { |
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| 988 | if (client_object != NULL) { |
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| 989 | g_object_ref (client_object); |
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| 990 | } else { |
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| 991 | client_object = g_object_new (GDM_TYPE_GREETER_CLIENT, NULL); |
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| 992 | g_object_add_weak_pointer (client_object, |
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| 993 | (gpointer *) &client_object); |
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| 994 | } |
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| 995 | |
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| 996 | return GDM_GREETER_CLIENT (client_object); |
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| 997 | } |
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