[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) 2007-2008 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 <fcntl.h> |
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| 26 | #include <unistd.h> |
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| 27 | #include <string.h> |
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| 28 | #include <signal.h> |
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| 29 | #include <errno.h> |
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| 30 | #include <sys/stat.h> |
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| 31 | #include <sys/types.h> |
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| 32 | |
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| 33 | #ifdef HAVE_PATHS_H |
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| 34 | #include <paths.h> |
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| 35 | #endif /* HAVE_PATHS_H */ |
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| 36 | |
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| 37 | #include <glib.h> |
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| 38 | #include <glib/gi18n.h> |
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| 39 | #include <glib/gstdio.h> |
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| 40 | #include <glib-object.h> |
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| 41 | #include <gio/gio.h> |
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| 42 | |
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| 43 | #include <dbus/dbus.h> |
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| 44 | #include <dbus/dbus-glib.h> |
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| 45 | #include <dbus/dbus-glib-lowlevel.h> |
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| 46 | |
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| 47 | #include "gdm-user-manager.h" |
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| 48 | #include "gdm-user-private.h" |
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| 49 | |
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| 50 | #define GDM_USER_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_USER_MANAGER, GdmUserManagerPrivate)) |
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| 51 | |
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| 52 | #define CK_NAME "org.freedesktop.ConsoleKit" |
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| 53 | #define CK_PATH "/org/freedesktop/ConsoleKit" |
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| 54 | #define CK_INTERFACE "org.freedesktop.ConsoleKit" |
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| 55 | |
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| 56 | #define CK_MANAGER_PATH "/org/freedesktop/ConsoleKit/Manager" |
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| 57 | #define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager" |
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| 58 | #define CK_SEAT_INTERFACE "org.freedesktop.ConsoleKit.Seat" |
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| 59 | #define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session" |
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| 60 | |
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| 61 | /* Prefs Defaults */ |
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| 62 | #define DEFAULT_ALLOW_ROOT TRUE |
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| 63 | #define DEFAULT_MAX_ICON_SIZE 128 |
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| 64 | #define DEFAULT_USER_MAX_FILE 65536 |
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| 65 | |
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| 66 | #ifdef __sun |
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| 67 | #define DEFAULT_MINIMAL_UID 100 |
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| 68 | #else |
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| 69 | #define DEFAULT_MINIMAL_UID 500 |
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| 70 | #endif |
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| 71 | |
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| 72 | #ifndef _PATH_SHELLS |
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| 73 | #define _PATH_SHELLS "/etc/shells" |
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| 74 | #endif |
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| 75 | #define PATH_PASSWD "/etc/passwd" |
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| 76 | |
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| 77 | #define DEFAULT_GLOBAL_FACE_DIR DATADIR "/faces" |
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| 78 | #define DEFAULT_USER_ICON "stock_person" |
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| 79 | #define DEFAULT_EXCLUDE { "bin", \ |
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| 80 | "root", \ |
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| 81 | "daemon", \ |
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| 82 | "adm", \ |
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| 83 | "lp", \ |
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| 84 | "sync", \ |
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| 85 | "shutdown", \ |
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| 86 | "halt", \ |
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| 87 | "mail", \ |
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| 88 | "news", \ |
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| 89 | "uucp", \ |
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| 90 | "operator", \ |
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| 91 | "nobody", \ |
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| 92 | "nobody4", \ |
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| 93 | "noaccess", \ |
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| 94 | GDM_USERNAME, \ |
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| 95 | "postgres", \ |
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| 96 | "pvm", \ |
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| 97 | "rpm", \ |
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| 98 | "nfsnobody", \ |
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| 99 | "pcap", \ |
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| 100 | NULL } |
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| 101 | |
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| 102 | struct GdmUserManagerPrivate |
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| 103 | { |
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| 104 | GHashTable *users; |
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| 105 | GHashTable *sessions; |
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| 106 | GHashTable *exclusions; |
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| 107 | GHashTable *shells; |
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| 108 | DBusGConnection *connection; |
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| 109 | DBusGProxy *seat_proxy; |
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| 110 | char *seat_id; |
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| 111 | |
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| 112 | GFileMonitor *passwd_monitor; |
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| 113 | GFileMonitor *shells_monitor; |
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| 114 | |
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| 115 | guint reload_id; |
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| 116 | guint ck_history_id; |
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| 117 | |
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| 118 | guint8 users_dirty : 1; |
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| 119 | }; |
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| 120 | |
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| 121 | enum { |
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| 122 | LOADING_USERS, |
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| 123 | USERS_LOADED, |
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| 124 | USER_ADDED, |
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| 125 | USER_REMOVED, |
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| 126 | USER_IS_LOGGED_IN_CHANGED, |
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| 127 | USER_LOGIN_FREQUENCY_CHANGED, |
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| 128 | LAST_SIGNAL |
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| 129 | }; |
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| 130 | |
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| 131 | static guint signals [LAST_SIGNAL] = { 0, }; |
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| 132 | |
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| 133 | static void gdm_user_manager_class_init (GdmUserManagerClass *klass); |
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| 134 | static void gdm_user_manager_init (GdmUserManager *user_manager); |
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| 135 | static void gdm_user_manager_finalize (GObject *object); |
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| 136 | |
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| 137 | static gpointer user_manager_object = NULL; |
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| 138 | |
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| 139 | G_DEFINE_TYPE (GdmUserManager, gdm_user_manager, G_TYPE_OBJECT) |
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| 140 | |
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| 141 | GQuark |
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| 142 | gdm_user_manager_error_quark (void) |
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| 143 | { |
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| 144 | static GQuark ret = 0; |
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| 145 | if (ret == 0) { |
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| 146 | ret = g_quark_from_static_string ("gdm_user_manager_error"); |
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| 147 | } |
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| 148 | |
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| 149 | return ret; |
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| 150 | } |
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| 151 | |
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| 152 | static gboolean |
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| 153 | start_new_login_session (GdmUserManager *manager) |
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| 154 | { |
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| 155 | GError *error; |
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| 156 | gboolean res; |
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| 157 | |
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| 158 | res = g_spawn_command_line_async ("gdmflexiserver -s", &error); |
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| 159 | if (! res) { |
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| 160 | if (error != NULL) { |
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| 161 | g_warning ("Unable to start new login: %s", error->message); |
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| 162 | g_error_free (error); |
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| 163 | } else { |
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| 164 | g_warning ("Unable to start new login"); |
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| 165 | } |
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| 166 | } |
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| 167 | |
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| 168 | return res; |
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| 169 | } |
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| 170 | |
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| 171 | /* needs to stay in sync with gdm-slave */ |
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| 172 | static char * |
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| 173 | _get_primary_user_session_id (GdmUserManager *manager, |
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| 174 | GdmUser *user) |
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| 175 | { |
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| 176 | gboolean res; |
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| 177 | gboolean can_activate_sessions; |
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| 178 | GError *error; |
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| 179 | GList *sessions; |
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| 180 | GList *l; |
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| 181 | char *primary_ssid; |
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| 182 | |
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| 183 | if (manager->priv->seat_id == NULL || manager->priv->seat_id[0] == '\0') { |
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| 184 | g_debug ("GdmUserManager: display seat id is not set; can't switch sessions"); |
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| 185 | return NULL; |
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| 186 | } |
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| 187 | |
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| 188 | primary_ssid = NULL; |
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| 189 | sessions = NULL; |
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| 190 | |
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| 191 | g_debug ("GdmUserManager: checking if seat can activate sessions"); |
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| 192 | |
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| 193 | error = NULL; |
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| 194 | res = dbus_g_proxy_call (manager->priv->seat_proxy, |
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| 195 | "CanActivateSessions", |
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| 196 | &error, |
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| 197 | G_TYPE_INVALID, |
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| 198 | G_TYPE_BOOLEAN, &can_activate_sessions, |
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| 199 | G_TYPE_INVALID); |
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| 200 | if (! res) { |
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| 201 | if (error != NULL) { |
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| 202 | g_warning ("unable to determine if seat can activate sessions: %s", |
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| 203 | error->message); |
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| 204 | g_error_free (error); |
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| 205 | } else { |
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| 206 | g_warning ("unable to determine if seat can activate sessions"); |
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| 207 | } |
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| 208 | goto out; |
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| 209 | } |
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| 210 | |
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| 211 | if (! can_activate_sessions) { |
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| 212 | g_debug ("GdmUserManager: seat is unable to activate sessions"); |
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| 213 | goto out; |
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| 214 | } |
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| 215 | |
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| 216 | sessions = gdm_user_get_sessions (user); |
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| 217 | if (sessions == NULL) { |
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| 218 | g_warning ("unable to determine sessions for user: %s", |
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| 219 | gdm_user_get_user_name (user)); |
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| 220 | goto out; |
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| 221 | } |
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| 222 | |
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| 223 | for (l = sessions; l != NULL; l = l->next) { |
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| 224 | const char *ssid; |
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| 225 | |
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| 226 | ssid = l->data; |
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| 227 | |
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| 228 | /* FIXME: better way to choose? */ |
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| 229 | if (ssid != NULL) { |
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| 230 | primary_ssid = g_strdup (ssid); |
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| 231 | break; |
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| 232 | } |
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| 233 | } |
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| 234 | |
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| 235 | out: |
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| 236 | |
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| 237 | return primary_ssid; |
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| 238 | } |
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| 239 | |
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| 240 | static gboolean |
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| 241 | activate_session_id (GdmUserManager *manager, |
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| 242 | const char *seat_id, |
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| 243 | const char *session_id) |
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| 244 | { |
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| 245 | DBusError local_error; |
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| 246 | DBusMessage *message; |
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| 247 | DBusMessage *reply; |
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| 248 | gboolean ret; |
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| 249 | |
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| 250 | ret = FALSE; |
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| 251 | reply = NULL; |
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| 252 | |
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| 253 | dbus_error_init (&local_error); |
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| 254 | message = dbus_message_new_method_call ("org.freedesktop.ConsoleKit", |
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| 255 | seat_id, |
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| 256 | "org.freedesktop.ConsoleKit.Seat", |
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| 257 | "ActivateSession"); |
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| 258 | if (message == NULL) { |
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| 259 | goto out; |
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| 260 | } |
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| 261 | |
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| 262 | if (! dbus_message_append_args (message, |
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| 263 | DBUS_TYPE_OBJECT_PATH, &session_id, |
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| 264 | DBUS_TYPE_INVALID)) { |
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| 265 | goto out; |
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| 266 | } |
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| 267 | |
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| 268 | |
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| 269 | dbus_error_init (&local_error); |
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| 270 | reply = dbus_connection_send_with_reply_and_block (dbus_g_connection_get_connection (manager->priv->connection), |
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| 271 | message, |
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| 272 | -1, |
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| 273 | &local_error); |
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| 274 | if (reply == NULL) { |
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| 275 | if (dbus_error_is_set (&local_error)) { |
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| 276 | g_warning ("Unable to activate session: %s", local_error.message); |
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| 277 | dbus_error_free (&local_error); |
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| 278 | goto out; |
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| 279 | } |
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| 280 | } |
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| 281 | |
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| 282 | ret = TRUE; |
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| 283 | out: |
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| 284 | if (message != NULL) { |
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| 285 | dbus_message_unref (message); |
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| 286 | } |
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| 287 | if (reply != NULL) { |
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| 288 | dbus_message_unref (reply); |
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| 289 | } |
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| 290 | |
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| 291 | return ret; |
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| 292 | } |
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| 293 | |
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| 294 | static gboolean |
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| 295 | session_is_login_window (GdmUserManager *manager, |
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| 296 | const char *session_id) |
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| 297 | { |
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| 298 | DBusGProxy *proxy; |
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| 299 | GError *error; |
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| 300 | gboolean res; |
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| 301 | gboolean ret; |
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| 302 | char *session_type; |
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| 303 | |
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| 304 | ret = FALSE; |
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| 305 | |
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| 306 | proxy = dbus_g_proxy_new_for_name (manager->priv->connection, |
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| 307 | CK_NAME, |
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| 308 | session_id, |
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| 309 | CK_SESSION_INTERFACE); |
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| 310 | if (proxy == NULL) { |
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| 311 | g_warning ("Failed to connect to the ConsoleKit seat object"); |
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| 312 | goto out; |
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| 313 | } |
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| 314 | |
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| 315 | session_type = NULL; |
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| 316 | error = NULL; |
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| 317 | res = dbus_g_proxy_call (proxy, |
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| 318 | "GetSessionType", |
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| 319 | &error, |
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| 320 | G_TYPE_INVALID, |
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| 321 | G_TYPE_STRING, &session_type, |
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| 322 | G_TYPE_INVALID); |
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| 323 | if (! res) { |
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| 324 | if (error != NULL) { |
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| 325 | g_debug ("Failed to identify the session type: %s", error->message); |
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| 326 | g_error_free (error); |
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| 327 | } else { |
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| 328 | g_debug ("Failed to identify the session type"); |
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| 329 | } |
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| 330 | goto out; |
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| 331 | } |
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| 332 | |
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| 333 | if (session_type == NULL || session_type[0] == '\0' || strcmp (session_type, "LoginWindow") != 0) { |
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| 334 | goto out; |
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| 335 | } |
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| 336 | |
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| 337 | ret = TRUE; |
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| 338 | |
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| 339 | out: |
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| 340 | if (proxy != NULL) { |
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| 341 | g_object_unref (proxy); |
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| 342 | } |
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| 343 | |
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| 344 | return ret; |
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| 345 | } |
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| 346 | |
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| 347 | static char * |
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| 348 | _get_login_window_session_id (GdmUserManager *manager) |
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| 349 | { |
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| 350 | gboolean res; |
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| 351 | gboolean can_activate_sessions; |
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| 352 | GError *error; |
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| 353 | GPtrArray *sessions; |
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| 354 | char *primary_ssid; |
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| 355 | int i; |
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| 356 | |
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| 357 | if (manager->priv->seat_id == NULL || manager->priv->seat_id[0] == '\0') { |
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| 358 | g_debug ("GdmUserManager: display seat id is not set; can't switch sessions"); |
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| 359 | return NULL; |
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| 360 | } |
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| 361 | |
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| 362 | primary_ssid = NULL; |
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| 363 | sessions = NULL; |
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| 364 | |
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| 365 | g_debug ("GdmSlave: checking if seat can activate sessions"); |
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| 366 | |
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| 367 | error = NULL; |
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| 368 | res = dbus_g_proxy_call (manager->priv->seat_proxy, |
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| 369 | "CanActivateSessions", |
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| 370 | &error, |
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| 371 | G_TYPE_INVALID, |
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| 372 | G_TYPE_BOOLEAN, &can_activate_sessions, |
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| 373 | G_TYPE_INVALID); |
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| 374 | if (! res) { |
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| 375 | if (error != NULL) { |
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| 376 | g_warning ("unable to determine if seat can activate sessions: %s", |
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| 377 | error->message); |
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| 378 | g_error_free (error); |
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| 379 | } else { |
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| 380 | g_warning ("unable to determine if seat can activate sessions"); |
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| 381 | } |
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| 382 | goto out; |
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| 383 | } |
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| 384 | |
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| 385 | if (! can_activate_sessions) { |
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| 386 | g_debug ("GdmSlave: seat is unable to activate sessions"); |
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| 387 | goto out; |
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| 388 | } |
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| 389 | |
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| 390 | error = NULL; |
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| 391 | res = dbus_g_proxy_call (manager->priv->seat_proxy, |
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| 392 | "GetSessions", |
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| 393 | &error, |
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| 394 | G_TYPE_INVALID, |
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| 395 | dbus_g_type_get_collection ("GPtrArray", DBUS_TYPE_G_OBJECT_PATH), &sessions, |
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| 396 | G_TYPE_INVALID); |
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| 397 | if (! res) { |
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| 398 | if (error != NULL) { |
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| 399 | g_warning ("unable to determine sessions for user: %s", |
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| 400 | error->message); |
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| 401 | g_error_free (error); |
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| 402 | } else { |
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| 403 | g_warning ("unable to determine sessions for user"); |
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| 404 | } |
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| 405 | goto out; |
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| 406 | } |
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| 407 | |
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| 408 | for (i = 0; i < sessions->len; i++) { |
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| 409 | char *ssid; |
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| 410 | |
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| 411 | ssid = g_ptr_array_index (sessions, i); |
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| 412 | |
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| 413 | if (session_is_login_window (manager, ssid)) { |
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| 414 | primary_ssid = g_strdup (ssid); |
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| 415 | break; |
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| 416 | } |
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| 417 | } |
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| 418 | g_ptr_array_foreach (sessions, (GFunc)g_free, NULL); |
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| 419 | g_ptr_array_free (sessions, TRUE); |
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| 420 | |
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| 421 | out: |
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| 422 | |
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| 423 | return primary_ssid; |
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| 424 | } |
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| 425 | |
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| 426 | gboolean |
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| 427 | gdm_user_manager_goto_login_session (GdmUserManager *manager) |
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| 428 | { |
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| 429 | gboolean ret; |
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| 430 | gboolean res; |
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| 431 | char *ssid; |
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| 432 | |
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| 433 | g_return_val_if_fail (GDM_IS_USER_MANAGER (manager), FALSE); |
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| 434 | |
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| 435 | ret = FALSE; |
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| 436 | |
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| 437 | /* First look for any existing LoginWindow sessions on the seat. |
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| 438 | If none are found, create a new one. */ |
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| 439 | |
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| 440 | ssid = _get_login_window_session_id (manager); |
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| 441 | if (ssid != NULL) { |
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| 442 | res = activate_session_id (manager, manager->priv->seat_id, ssid); |
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| 443 | if (res) { |
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| 444 | ret = TRUE; |
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| 445 | } |
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| 446 | } |
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| 447 | |
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| 448 | if (! ret) { |
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| 449 | res = start_new_login_session (manager); |
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| 450 | if (res) { |
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| 451 | ret = TRUE; |
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| 452 | } |
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| 453 | } |
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| 454 | |
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| 455 | return ret; |
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| 456 | } |
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| 457 | |
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| 458 | gboolean |
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| 459 | gdm_user_manager_activate_user_session (GdmUserManager *manager, |
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| 460 | GdmUser *user) |
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| 461 | { |
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| 462 | gboolean ret; |
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| 463 | char *ssid; |
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| 464 | gboolean res; |
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| 465 | |
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| 466 | g_return_val_if_fail (GDM_IS_USER_MANAGER (manager), FALSE); |
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| 467 | g_return_val_if_fail (GDM_IS_USER (user), FALSE); |
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| 468 | |
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| 469 | ret = FALSE; |
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| 470 | |
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| 471 | ssid = _get_primary_user_session_id (manager, user); |
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| 472 | if (ssid == NULL) { |
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| 473 | goto out; |
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| 474 | } |
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| 475 | |
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| 476 | res = activate_session_id (manager, manager->priv->seat_id, ssid); |
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| 477 | if (! res) { |
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| 478 | g_debug ("GdmUserManager: unable to activate session: %s", ssid); |
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| 479 | goto out; |
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| 480 | } |
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| 481 | |
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| 482 | ret = TRUE; |
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| 483 | out: |
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| 484 | return ret; |
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| 485 | } |
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| 486 | |
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| 487 | static void |
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| 488 | on_user_sessions_changed (GdmUser *user, |
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| 489 | GdmUserManager *manager) |
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| 490 | { |
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| 491 | guint nsessions; |
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| 492 | |
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| 493 | nsessions = gdm_user_get_num_sessions (user); |
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| 494 | |
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| 495 | g_debug ("GdmUserManager: sessions changed user=%s num=%d", |
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| 496 | gdm_user_get_user_name (user), |
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| 497 | nsessions); |
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| 498 | |
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| 499 | /* only signal on zero and one */ |
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| 500 | if (nsessions > 1) { |
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| 501 | return; |
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| 502 | } |
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| 503 | |
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| 504 | g_signal_emit (manager, signals [USER_IS_LOGGED_IN_CHANGED], 0, user); |
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| 505 | } |
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| 506 | |
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| 507 | static void |
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| 508 | on_user_icon_changed (GdmUser *user, |
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| 509 | GdmUserManager *manager) |
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| 510 | { |
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| 511 | g_debug ("GdmUserManager: user icon changed"); |
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| 512 | } |
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| 513 | |
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| 514 | static char * |
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| 515 | get_seat_id_for_session (DBusGConnection *connection, |
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| 516 | const char *session_id) |
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| 517 | { |
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| 518 | DBusGProxy *proxy; |
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| 519 | GError *error; |
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| 520 | char *seat_id; |
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| 521 | gboolean res; |
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| 522 | |
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| 523 | proxy = NULL; |
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| 524 | seat_id = NULL; |
---|
| 525 | |
---|
| 526 | proxy = dbus_g_proxy_new_for_name (connection, |
---|
| 527 | CK_NAME, |
---|
| 528 | session_id, |
---|
| 529 | CK_SESSION_INTERFACE); |
---|
| 530 | if (proxy == NULL) { |
---|
| 531 | g_warning ("Failed to connect to the ConsoleKit session object"); |
---|
| 532 | goto out; |
---|
| 533 | } |
---|
| 534 | |
---|
| 535 | error = NULL; |
---|
| 536 | res = dbus_g_proxy_call (proxy, |
---|
| 537 | "GetSeatId", |
---|
| 538 | &error, |
---|
| 539 | G_TYPE_INVALID, |
---|
| 540 | DBUS_TYPE_G_OBJECT_PATH, &seat_id, |
---|
| 541 | G_TYPE_INVALID); |
---|
| 542 | if (! res) { |
---|
| 543 | if (error != NULL) { |
---|
| 544 | g_debug ("Failed to identify the current seat: %s", error->message); |
---|
| 545 | g_error_free (error); |
---|
| 546 | } else { |
---|
| 547 | g_debug ("Failed to identify the current seat"); |
---|
| 548 | } |
---|
| 549 | } |
---|
| 550 | out: |
---|
| 551 | if (proxy != NULL) { |
---|
| 552 | g_object_unref (proxy); |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | return seat_id; |
---|
| 556 | } |
---|
| 557 | |
---|
| 558 | static char * |
---|
| 559 | get_x11_display_for_session (DBusGConnection *connection, |
---|
| 560 | const char *session_id) |
---|
| 561 | { |
---|
| 562 | DBusGProxy *proxy; |
---|
| 563 | GError *error; |
---|
| 564 | char *x11_display; |
---|
| 565 | gboolean res; |
---|
| 566 | |
---|
| 567 | proxy = NULL; |
---|
| 568 | x11_display = NULL; |
---|
| 569 | |
---|
| 570 | proxy = dbus_g_proxy_new_for_name (connection, |
---|
| 571 | CK_NAME, |
---|
| 572 | session_id, |
---|
| 573 | CK_SESSION_INTERFACE); |
---|
| 574 | if (proxy == NULL) { |
---|
| 575 | g_warning ("Failed to connect to the ConsoleKit session object"); |
---|
| 576 | goto out; |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | error = NULL; |
---|
| 580 | res = dbus_g_proxy_call (proxy, |
---|
| 581 | "GetX11Display", |
---|
| 582 | &error, |
---|
| 583 | G_TYPE_INVALID, |
---|
| 584 | G_TYPE_STRING, &x11_display, |
---|
| 585 | G_TYPE_INVALID); |
---|
| 586 | if (! res) { |
---|
| 587 | if (error != NULL) { |
---|
| 588 | g_debug ("Failed to identify the x11 display: %s", error->message); |
---|
| 589 | g_error_free (error); |
---|
| 590 | } else { |
---|
| 591 | g_debug ("Failed to identify the x11 display"); |
---|
| 592 | } |
---|
| 593 | } |
---|
| 594 | out: |
---|
| 595 | if (proxy != NULL) { |
---|
| 596 | g_object_unref (proxy); |
---|
| 597 | } |
---|
| 598 | |
---|
| 599 | return x11_display; |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | static gboolean |
---|
| 603 | maybe_add_session_for_user (GdmUserManager *manager, |
---|
| 604 | GdmUser *user, |
---|
| 605 | const char *ssid) |
---|
| 606 | { |
---|
| 607 | char *sid; |
---|
| 608 | char *x11_display; |
---|
| 609 | gboolean ret; |
---|
| 610 | |
---|
| 611 | ret = FALSE; |
---|
| 612 | sid = NULL; |
---|
| 613 | x11_display = NULL; |
---|
| 614 | |
---|
| 615 | /* skip if on another seat */ |
---|
| 616 | sid = get_seat_id_for_session (manager->priv->connection, ssid); |
---|
| 617 | if (sid == NULL |
---|
| 618 | || manager->priv->seat_id == NULL |
---|
| 619 | || strcmp (sid, manager->priv->seat_id) != 0) { |
---|
| 620 | g_debug ("GdmUserManager: not adding session on other seat: %s", ssid); |
---|
| 621 | goto out; |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | /* skip if doesn't have an x11 display */ |
---|
| 625 | x11_display = get_x11_display_for_session (manager->priv->connection, ssid); |
---|
| 626 | if (x11_display == NULL || x11_display[0] == '\0') { |
---|
| 627 | g_debug ("GdmUserManager: not adding session without a x11 display: %s", ssid); |
---|
| 628 | goto out; |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | if (g_hash_table_lookup (manager->priv->exclusions, gdm_user_get_user_name (user))) { |
---|
| 632 | g_debug ("GdmUserManager: excluding user '%s'", gdm_user_get_user_name (user)); |
---|
| 633 | goto out; |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | g_hash_table_insert (manager->priv->sessions, |
---|
| 637 | g_strdup (ssid), |
---|
| 638 | g_strdup (gdm_user_get_user_name (user))); |
---|
| 639 | |
---|
| 640 | _gdm_user_add_session (user, ssid); |
---|
| 641 | g_debug ("GdmUserManager: added session for user: %s", gdm_user_get_user_name (user)); |
---|
| 642 | |
---|
| 643 | ret = TRUE; |
---|
| 644 | |
---|
| 645 | out: |
---|
| 646 | g_free (sid); |
---|
| 647 | g_free (x11_display); |
---|
| 648 | |
---|
| 649 | return ret; |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | static void |
---|
| 653 | add_sessions_for_user (GdmUserManager *manager, |
---|
| 654 | GdmUser *user) |
---|
| 655 | { |
---|
| 656 | DBusGProxy *proxy; |
---|
| 657 | GError *error; |
---|
| 658 | gboolean res; |
---|
| 659 | guint32 uid; |
---|
| 660 | GPtrArray *sessions; |
---|
| 661 | int i; |
---|
| 662 | |
---|
| 663 | proxy = dbus_g_proxy_new_for_name (manager->priv->connection, |
---|
| 664 | CK_NAME, |
---|
| 665 | CK_MANAGER_PATH, |
---|
| 666 | CK_MANAGER_INTERFACE); |
---|
| 667 | if (proxy == NULL) { |
---|
| 668 | g_warning ("Failed to connect to the ConsoleKit manager object"); |
---|
| 669 | goto out; |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | uid = gdm_user_get_uid (user); |
---|
| 673 | |
---|
| 674 | g_debug ("Getting list of sessions for user %u", uid); |
---|
| 675 | |
---|
| 676 | error = NULL; |
---|
| 677 | res = dbus_g_proxy_call (proxy, |
---|
| 678 | "GetSessionsForUnixUser", |
---|
| 679 | &error, |
---|
| 680 | G_TYPE_UINT, uid, |
---|
| 681 | G_TYPE_INVALID, |
---|
| 682 | dbus_g_type_get_collection ("GPtrArray", DBUS_TYPE_G_OBJECT_PATH), |
---|
| 683 | &sessions, |
---|
| 684 | G_TYPE_INVALID); |
---|
| 685 | if (! res) { |
---|
| 686 | if (error != NULL) { |
---|
| 687 | g_debug ("Failed to find sessions for user: %s", error->message); |
---|
| 688 | g_error_free (error); |
---|
| 689 | } else { |
---|
| 690 | g_debug ("Failed to find sessions for user"); |
---|
| 691 | } |
---|
| 692 | goto out; |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | g_debug ("Found %d sessions for user %s", sessions->len, gdm_user_get_user_name (user)); |
---|
| 696 | |
---|
| 697 | for (i = 0; i < sessions->len; i++) { |
---|
| 698 | char *ssid; |
---|
| 699 | |
---|
| 700 | ssid = g_ptr_array_index (sessions, i); |
---|
| 701 | maybe_add_session_for_user (manager, user, ssid); |
---|
| 702 | } |
---|
| 703 | |
---|
| 704 | g_ptr_array_foreach (sessions, (GFunc)g_free, NULL); |
---|
| 705 | g_ptr_array_free (sessions, TRUE); |
---|
| 706 | |
---|
| 707 | out: |
---|
| 708 | if (proxy != NULL) { |
---|
| 709 | g_object_unref (proxy); |
---|
| 710 | } |
---|
| 711 | } |
---|
| 712 | |
---|
| 713 | static GdmUser * |
---|
| 714 | create_user (GdmUserManager *manager) |
---|
| 715 | { |
---|
| 716 | GdmUser *user; |
---|
| 717 | |
---|
| 718 | user = g_object_new (GDM_TYPE_USER, "manager", manager, NULL); |
---|
| 719 | g_signal_connect (user, |
---|
| 720 | "sessions-changed", |
---|
| 721 | G_CALLBACK (on_user_sessions_changed), |
---|
| 722 | manager); |
---|
| 723 | g_signal_connect (user, |
---|
| 724 | "icon-changed", |
---|
| 725 | G_CALLBACK (on_user_icon_changed), |
---|
| 726 | manager); |
---|
| 727 | return user; |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | static gint |
---|
| 731 | match_real_name_cmpfunc (gconstpointer a, |
---|
| 732 | gconstpointer b) |
---|
| 733 | { |
---|
| 734 | if (a == b) |
---|
| 735 | return -1; |
---|
| 736 | |
---|
| 737 | return g_strcmp0 (gdm_user_get_real_name ((GdmUser *) a), |
---|
| 738 | gdm_user_get_real_name ((GdmUser *) b)); |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | static gboolean |
---|
| 742 | match_real_name_hrfunc (gpointer key, |
---|
| 743 | gpointer value, |
---|
| 744 | gpointer user_data) |
---|
| 745 | { |
---|
| 746 | return (g_strcmp0 (user_data, gdm_user_get_real_name (value)) == 0); |
---|
| 747 | } |
---|
| 748 | |
---|
| 749 | static void |
---|
| 750 | add_user (GdmUserManager *manager, |
---|
| 751 | GdmUser *user) |
---|
| 752 | { |
---|
| 753 | GdmUser *dup; |
---|
| 754 | |
---|
| 755 | add_sessions_for_user (manager, user); |
---|
| 756 | dup = g_hash_table_find (manager->priv->users, |
---|
| 757 | match_real_name_hrfunc, |
---|
| 758 | (char *) gdm_user_get_real_name (user)); |
---|
| 759 | if (dup != NULL) { |
---|
| 760 | _gdm_user_show_full_display_name (user); |
---|
| 761 | _gdm_user_show_full_display_name (dup); |
---|
| 762 | } |
---|
| 763 | g_hash_table_insert (manager->priv->users, |
---|
| 764 | g_strdup (gdm_user_get_user_name (user)), |
---|
| 765 | g_object_ref (user)); |
---|
| 766 | |
---|
| 767 | g_signal_emit (manager, signals[USER_ADDED], 0, user); |
---|
| 768 | } |
---|
| 769 | |
---|
| 770 | static GdmUser * |
---|
| 771 | add_new_user_for_pwent (GdmUserManager *manager, |
---|
| 772 | struct passwd *pwent) |
---|
| 773 | { |
---|
| 774 | GdmUser *user; |
---|
| 775 | |
---|
| 776 | g_debug ("Creating new user"); |
---|
| 777 | |
---|
| 778 | user = create_user (manager); |
---|
| 779 | _gdm_user_update (user, pwent); |
---|
| 780 | |
---|
| 781 | add_user (manager, user); |
---|
| 782 | |
---|
| 783 | return user; |
---|
| 784 | } |
---|
| 785 | |
---|
| 786 | static char * |
---|
| 787 | get_current_seat_id (DBusGConnection *connection) |
---|
| 788 | { |
---|
| 789 | DBusGProxy *proxy; |
---|
| 790 | GError *error; |
---|
| 791 | char *session_id; |
---|
| 792 | char *seat_id; |
---|
| 793 | gboolean res; |
---|
| 794 | |
---|
| 795 | proxy = NULL; |
---|
| 796 | session_id = NULL; |
---|
| 797 | seat_id = NULL; |
---|
| 798 | |
---|
| 799 | proxy = dbus_g_proxy_new_for_name (connection, |
---|
| 800 | CK_NAME, |
---|
| 801 | CK_MANAGER_PATH, |
---|
| 802 | CK_MANAGER_INTERFACE); |
---|
| 803 | if (proxy == NULL) { |
---|
| 804 | g_warning ("Failed to connect to the ConsoleKit manager object"); |
---|
| 805 | goto out; |
---|
| 806 | } |
---|
| 807 | |
---|
| 808 | error = NULL; |
---|
| 809 | res = dbus_g_proxy_call (proxy, |
---|
| 810 | "GetCurrentSession", |
---|
| 811 | &error, |
---|
| 812 | G_TYPE_INVALID, |
---|
| 813 | DBUS_TYPE_G_OBJECT_PATH, |
---|
| 814 | &session_id, |
---|
| 815 | G_TYPE_INVALID); |
---|
| 816 | if (! res) { |
---|
| 817 | if (error != NULL) { |
---|
| 818 | g_debug ("Failed to identify the current session: %s", error->message); |
---|
| 819 | g_error_free (error); |
---|
| 820 | } else { |
---|
| 821 | g_debug ("Failed to identify the current session"); |
---|
| 822 | } |
---|
| 823 | goto out; |
---|
| 824 | } |
---|
| 825 | |
---|
| 826 | seat_id = get_seat_id_for_session (connection, session_id); |
---|
| 827 | |
---|
| 828 | out: |
---|
| 829 | if (proxy != NULL) { |
---|
| 830 | g_object_unref (proxy); |
---|
| 831 | } |
---|
| 832 | g_free (session_id); |
---|
| 833 | |
---|
| 834 | return seat_id; |
---|
| 835 | } |
---|
| 836 | |
---|
| 837 | static gboolean |
---|
| 838 | get_uid_from_session_id (GdmUserManager *manager, |
---|
| 839 | const char *session_id, |
---|
| 840 | uid_t *uidp) |
---|
| 841 | { |
---|
| 842 | DBusGProxy *proxy; |
---|
| 843 | GError *error; |
---|
| 844 | guint uid; |
---|
| 845 | gboolean res; |
---|
| 846 | |
---|
| 847 | proxy = dbus_g_proxy_new_for_name (manager->priv->connection, |
---|
| 848 | CK_NAME, |
---|
| 849 | session_id, |
---|
| 850 | CK_SESSION_INTERFACE); |
---|
| 851 | if (proxy == NULL) { |
---|
| 852 | g_warning ("Failed to connect to the ConsoleKit session object"); |
---|
| 853 | return FALSE; |
---|
| 854 | } |
---|
| 855 | |
---|
| 856 | error = NULL; |
---|
| 857 | res = dbus_g_proxy_call (proxy, |
---|
| 858 | "GetUnixUser", |
---|
| 859 | &error, |
---|
| 860 | G_TYPE_INVALID, |
---|
| 861 | G_TYPE_UINT, &uid, |
---|
| 862 | G_TYPE_INVALID); |
---|
| 863 | g_object_unref (proxy); |
---|
| 864 | |
---|
| 865 | if (! res) { |
---|
| 866 | if (error != NULL) { |
---|
| 867 | g_warning ("Failed to query the session: %s", error->message); |
---|
| 868 | g_error_free (error); |
---|
| 869 | } else { |
---|
| 870 | g_warning ("Failed to query the session"); |
---|
| 871 | } |
---|
| 872 | return FALSE; |
---|
| 873 | } |
---|
| 874 | |
---|
| 875 | if (uidp != NULL) { |
---|
| 876 | *uidp = (uid_t) uid; |
---|
| 877 | } |
---|
| 878 | |
---|
| 879 | return TRUE; |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | static void |
---|
| 883 | seat_session_added (DBusGProxy *seat_proxy, |
---|
| 884 | const char *session_id, |
---|
| 885 | GdmUserManager *manager) |
---|
| 886 | { |
---|
| 887 | uid_t uid; |
---|
| 888 | gboolean res; |
---|
| 889 | struct passwd *pwent; |
---|
| 890 | GdmUser *user; |
---|
| 891 | gboolean is_new; |
---|
| 892 | |
---|
| 893 | g_debug ("Session added: %s", session_id); |
---|
| 894 | |
---|
| 895 | res = get_uid_from_session_id (manager, session_id, &uid); |
---|
| 896 | if (! res) { |
---|
| 897 | g_warning ("Unable to lookup user for session"); |
---|
| 898 | return; |
---|
| 899 | } |
---|
| 900 | |
---|
| 901 | errno = 0; |
---|
| 902 | pwent = getpwuid (uid); |
---|
| 903 | if (pwent == NULL) { |
---|
| 904 | g_warning ("Unable to lookup user id %d: %s", (int)uid, g_strerror (errno)); |
---|
| 905 | return; |
---|
| 906 | } |
---|
| 907 | |
---|
| 908 | /* check exclusions up front */ |
---|
| 909 | if (g_hash_table_lookup (manager->priv->exclusions, pwent->pw_name)) { |
---|
| 910 | g_debug ("GdmUserManager: excluding user '%s'", pwent->pw_name); |
---|
| 911 | return; |
---|
| 912 | } |
---|
| 913 | |
---|
| 914 | user = g_hash_table_lookup (manager->priv->users, pwent->pw_name); |
---|
| 915 | if (user == NULL) { |
---|
| 916 | g_debug ("Creating new user"); |
---|
| 917 | |
---|
| 918 | user = create_user (manager); |
---|
| 919 | _gdm_user_update (user, pwent); |
---|
| 920 | is_new = TRUE; |
---|
| 921 | } else { |
---|
| 922 | is_new = FALSE; |
---|
| 923 | } |
---|
| 924 | |
---|
| 925 | res = maybe_add_session_for_user (manager, user, session_id); |
---|
| 926 | |
---|
| 927 | /* only add the user if we added a session */ |
---|
| 928 | if (is_new) { |
---|
| 929 | if (res) { |
---|
| 930 | add_user (manager, user); |
---|
| 931 | } else { |
---|
| 932 | g_object_unref (user); |
---|
| 933 | } |
---|
| 934 | } |
---|
| 935 | } |
---|
| 936 | |
---|
| 937 | static void |
---|
| 938 | seat_session_removed (DBusGProxy *seat_proxy, |
---|
| 939 | const char *session_id, |
---|
| 940 | GdmUserManager *manager) |
---|
| 941 | { |
---|
| 942 | GdmUser *user; |
---|
| 943 | char *username; |
---|
| 944 | |
---|
| 945 | g_debug ("Session removed: %s", session_id); |
---|
| 946 | |
---|
| 947 | /* since the session object may already be gone |
---|
| 948 | * we can't query CK directly */ |
---|
| 949 | |
---|
| 950 | username = g_hash_table_lookup (manager->priv->sessions, session_id); |
---|
| 951 | if (username == NULL) { |
---|
| 952 | return; |
---|
| 953 | } |
---|
| 954 | |
---|
| 955 | user = g_hash_table_lookup (manager->priv->users, username); |
---|
| 956 | if (user == NULL) { |
---|
| 957 | /* nothing to do */ |
---|
| 958 | return; |
---|
| 959 | } |
---|
| 960 | |
---|
| 961 | g_debug ("GdmUserManager: Session removed for %s", username); |
---|
| 962 | _gdm_user_remove_session (user, session_id); |
---|
| 963 | } |
---|
| 964 | |
---|
| 965 | static void |
---|
| 966 | on_proxy_destroy (DBusGProxy *proxy, |
---|
| 967 | GdmUserManager *manager) |
---|
| 968 | { |
---|
| 969 | g_debug ("GdmUserManager: seat proxy destroyed"); |
---|
| 970 | |
---|
| 971 | manager->priv->seat_proxy = NULL; |
---|
| 972 | } |
---|
| 973 | |
---|
| 974 | static void |
---|
| 975 | get_seat_proxy (GdmUserManager *manager) |
---|
| 976 | { |
---|
| 977 | DBusGProxy *proxy; |
---|
| 978 | GError *error; |
---|
| 979 | |
---|
| 980 | g_assert (manager->priv->seat_proxy == NULL); |
---|
| 981 | |
---|
| 982 | error = NULL; |
---|
| 983 | manager->priv->connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); |
---|
| 984 | if (manager->priv->connection == NULL) { |
---|
| 985 | if (error != NULL) { |
---|
| 986 | g_warning ("Failed to connect to the D-Bus daemon: %s", error->message); |
---|
| 987 | g_error_free (error); |
---|
| 988 | } else { |
---|
| 989 | g_warning ("Failed to connect to the D-Bus daemon"); |
---|
| 990 | } |
---|
| 991 | return; |
---|
| 992 | } |
---|
| 993 | |
---|
| 994 | manager->priv->seat_id = get_current_seat_id (manager->priv->connection); |
---|
| 995 | if (manager->priv->seat_id == NULL) { |
---|
| 996 | return; |
---|
| 997 | } |
---|
| 998 | |
---|
| 999 | g_debug ("GdmUserManager: Found current seat: %s", manager->priv->seat_id); |
---|
| 1000 | |
---|
| 1001 | error = NULL; |
---|
| 1002 | proxy = dbus_g_proxy_new_for_name_owner (manager->priv->connection, |
---|
| 1003 | CK_NAME, |
---|
| 1004 | manager->priv->seat_id, |
---|
| 1005 | CK_SEAT_INTERFACE, |
---|
| 1006 | &error); |
---|
| 1007 | |
---|
| 1008 | if (proxy == NULL) { |
---|
| 1009 | if (error != NULL) { |
---|
| 1010 | g_warning ("Failed to connect to the ConsoleKit seat object: %s", |
---|
| 1011 | error->message); |
---|
| 1012 | g_error_free (error); |
---|
| 1013 | } else { |
---|
| 1014 | g_warning ("Failed to connect to the ConsoleKit seat object"); |
---|
| 1015 | } |
---|
| 1016 | return; |
---|
| 1017 | } |
---|
| 1018 | |
---|
| 1019 | g_signal_connect (proxy, "destroy", G_CALLBACK (on_proxy_destroy), manager); |
---|
| 1020 | |
---|
| 1021 | dbus_g_proxy_add_signal (proxy, |
---|
| 1022 | "SessionAdded", |
---|
| 1023 | DBUS_TYPE_G_OBJECT_PATH, |
---|
| 1024 | G_TYPE_INVALID); |
---|
| 1025 | dbus_g_proxy_add_signal (proxy, |
---|
| 1026 | "SessionRemoved", |
---|
| 1027 | DBUS_TYPE_G_OBJECT_PATH, |
---|
| 1028 | G_TYPE_INVALID); |
---|
| 1029 | dbus_g_proxy_connect_signal (proxy, |
---|
| 1030 | "SessionAdded", |
---|
| 1031 | G_CALLBACK (seat_session_added), |
---|
| 1032 | manager, |
---|
| 1033 | NULL); |
---|
| 1034 | dbus_g_proxy_connect_signal (proxy, |
---|
| 1035 | "SessionRemoved", |
---|
| 1036 | G_CALLBACK (seat_session_removed), |
---|
| 1037 | manager, |
---|
| 1038 | NULL); |
---|
| 1039 | manager->priv->seat_proxy = proxy; |
---|
| 1040 | |
---|
| 1041 | } |
---|
| 1042 | |
---|
| 1043 | /** |
---|
| 1044 | * gdm_manager_get_user: |
---|
| 1045 | * @manager: the manager to query. |
---|
| 1046 | * @username: the login name of the user to get. |
---|
| 1047 | * |
---|
| 1048 | * Retrieves a pointer to the #GdmUser object for the login named @username |
---|
| 1049 | * from @manager. This pointer is not a reference, and should not be released. |
---|
| 1050 | * |
---|
| 1051 | * Returns: a pointer to a #GdmUser object. |
---|
| 1052 | **/ |
---|
| 1053 | GdmUser * |
---|
| 1054 | gdm_user_manager_get_user (GdmUserManager *manager, |
---|
| 1055 | const char *username) |
---|
| 1056 | { |
---|
| 1057 | GdmUser *user; |
---|
| 1058 | |
---|
| 1059 | g_return_val_if_fail (GDM_IS_USER_MANAGER (manager), NULL); |
---|
| 1060 | g_return_val_if_fail (username != NULL && username[0] != '\0', NULL); |
---|
| 1061 | |
---|
| 1062 | user = g_hash_table_lookup (manager->priv->users, username); |
---|
| 1063 | |
---|
| 1064 | if (user == NULL) { |
---|
| 1065 | struct passwd *pwent; |
---|
| 1066 | |
---|
| 1067 | pwent = getpwnam (username); |
---|
| 1068 | |
---|
| 1069 | if (pwent != NULL) { |
---|
| 1070 | user = add_new_user_for_pwent (manager, pwent); |
---|
| 1071 | } |
---|
| 1072 | } |
---|
| 1073 | |
---|
| 1074 | return user; |
---|
| 1075 | } |
---|
| 1076 | |
---|
| 1077 | GdmUser * |
---|
| 1078 | gdm_user_manager_get_user_by_uid (GdmUserManager *manager, |
---|
| 1079 | uid_t uid) |
---|
| 1080 | { |
---|
| 1081 | GdmUser *user; |
---|
| 1082 | struct passwd *pwent; |
---|
| 1083 | |
---|
| 1084 | g_return_val_if_fail (GDM_IS_USER_MANAGER (manager), NULL); |
---|
| 1085 | |
---|
| 1086 | pwent = getpwuid (uid); |
---|
| 1087 | if (pwent == NULL) { |
---|
| 1088 | g_warning ("GdmUserManager: unable to lookup uid %d", (int)uid); |
---|
| 1089 | return NULL; |
---|
| 1090 | } |
---|
| 1091 | |
---|
| 1092 | user = g_hash_table_lookup (manager->priv->users, pwent->pw_name); |
---|
| 1093 | |
---|
| 1094 | if (user == NULL) { |
---|
| 1095 | user = add_new_user_for_pwent (manager, pwent); |
---|
| 1096 | } |
---|
| 1097 | |
---|
| 1098 | return user; |
---|
| 1099 | } |
---|
| 1100 | |
---|
| 1101 | static void |
---|
| 1102 | listify_hash_values_hfunc (gpointer key, |
---|
| 1103 | gpointer value, |
---|
| 1104 | gpointer user_data) |
---|
| 1105 | { |
---|
| 1106 | GSList **list = user_data; |
---|
| 1107 | |
---|
| 1108 | *list = g_slist_prepend (*list, value); |
---|
| 1109 | } |
---|
| 1110 | |
---|
| 1111 | GSList * |
---|
| 1112 | gdm_user_manager_list_users (GdmUserManager *manager) |
---|
| 1113 | { |
---|
| 1114 | GSList *retval; |
---|
| 1115 | |
---|
| 1116 | g_return_val_if_fail (GDM_IS_USER_MANAGER (manager), NULL); |
---|
| 1117 | |
---|
| 1118 | retval = NULL; |
---|
| 1119 | g_hash_table_foreach (manager->priv->users, listify_hash_values_hfunc, &retval); |
---|
| 1120 | |
---|
| 1121 | return g_slist_sort (retval, (GCompareFunc) gdm_user_collate); |
---|
| 1122 | } |
---|
| 1123 | |
---|
| 1124 | static gboolean |
---|
| 1125 | parse_value_as_ulong (const char *value, |
---|
| 1126 | gulong *ulongval) |
---|
| 1127 | { |
---|
| 1128 | char *end_of_valid_long; |
---|
| 1129 | glong long_value; |
---|
| 1130 | gulong ulong_value; |
---|
| 1131 | |
---|
| 1132 | errno = 0; |
---|
| 1133 | long_value = strtol (value, &end_of_valid_long, 10); |
---|
| 1134 | |
---|
| 1135 | if (*value == '\0' || *end_of_valid_long != '\0') { |
---|
| 1136 | return FALSE; |
---|
| 1137 | } |
---|
| 1138 | |
---|
| 1139 | ulong_value = long_value; |
---|
| 1140 | if (ulong_value != long_value || errno == ERANGE) { |
---|
| 1141 | return FALSE; |
---|
| 1142 | } |
---|
| 1143 | |
---|
| 1144 | *ulongval = ulong_value; |
---|
| 1145 | |
---|
| 1146 | return TRUE; |
---|
| 1147 | } |
---|
| 1148 | |
---|
| 1149 | static gboolean |
---|
| 1150 | parse_ck_history_line (const char *line, |
---|
| 1151 | char **user_namep, |
---|
| 1152 | gulong *frequencyp) |
---|
| 1153 | { |
---|
| 1154 | GRegex *re; |
---|
| 1155 | GMatchInfo *match_info; |
---|
| 1156 | gboolean res; |
---|
| 1157 | gboolean ret; |
---|
| 1158 | GError *error; |
---|
| 1159 | |
---|
| 1160 | ret = FALSE; |
---|
| 1161 | re = NULL; |
---|
| 1162 | match_info = NULL; |
---|
| 1163 | |
---|
| 1164 | error = NULL; |
---|
| 1165 | re = g_regex_new ("(?P<username>[0-9a-zA-Z]+)[ ]+(?P<frequency>[0-9]+)", 0, 0, &error); |
---|
| 1166 | if (re == NULL) { |
---|
| 1167 | if (error != NULL) { |
---|
| 1168 | g_critical ("%s", error->message); |
---|
| 1169 | } else { |
---|
| 1170 | g_critical ("Error in regex call"); |
---|
| 1171 | } |
---|
| 1172 | goto out; |
---|
| 1173 | } |
---|
| 1174 | |
---|
| 1175 | g_regex_match (re, line, 0, &match_info); |
---|
| 1176 | |
---|
| 1177 | res = g_match_info_matches (match_info); |
---|
| 1178 | if (! res) { |
---|
| 1179 | g_warning ("Unable to parse history: %s", line); |
---|
| 1180 | goto out; |
---|
| 1181 | } |
---|
| 1182 | |
---|
| 1183 | if (user_namep != NULL) { |
---|
| 1184 | *user_namep = g_match_info_fetch_named (match_info, "username"); |
---|
| 1185 | } |
---|
| 1186 | |
---|
| 1187 | if (frequencyp != NULL) { |
---|
| 1188 | char *freq; |
---|
| 1189 | freq = g_match_info_fetch_named (match_info, "frequency"); |
---|
| 1190 | res = parse_value_as_ulong (freq, frequencyp); |
---|
| 1191 | g_free (freq); |
---|
| 1192 | if (! res) { |
---|
| 1193 | goto out; |
---|
| 1194 | } |
---|
| 1195 | } |
---|
| 1196 | |
---|
| 1197 | ret = TRUE; |
---|
| 1198 | |
---|
| 1199 | out: |
---|
| 1200 | if (match_info != NULL) { |
---|
| 1201 | g_match_info_free (match_info); |
---|
| 1202 | } |
---|
| 1203 | if (re != NULL) { |
---|
| 1204 | g_regex_unref (re); |
---|
| 1205 | } |
---|
| 1206 | return ret; |
---|
| 1207 | } |
---|
| 1208 | |
---|
| 1209 | static void |
---|
| 1210 | process_ck_history_line (GdmUserManager *manager, |
---|
| 1211 | const char *line) |
---|
| 1212 | { |
---|
| 1213 | gboolean res; |
---|
| 1214 | char *username; |
---|
| 1215 | gulong frequency; |
---|
| 1216 | GdmUser *user; |
---|
| 1217 | |
---|
| 1218 | frequency = 0; |
---|
| 1219 | username = NULL; |
---|
| 1220 | res = parse_ck_history_line (line, &username, &frequency); |
---|
| 1221 | if (! res) { |
---|
| 1222 | return; |
---|
| 1223 | } |
---|
| 1224 | |
---|
| 1225 | if (g_hash_table_lookup (manager->priv->exclusions, username)) { |
---|
| 1226 | g_debug ("GdmUserManager: excluding user '%s'", username); |
---|
| 1227 | g_free (username); |
---|
| 1228 | return; |
---|
| 1229 | } |
---|
| 1230 | |
---|
| 1231 | user = gdm_user_manager_get_user (manager, username); |
---|
| 1232 | if (user == NULL) { |
---|
| 1233 | g_debug ("GdmUserManager: unable to lookup user '%s'", username); |
---|
| 1234 | g_free (username); |
---|
| 1235 | return; |
---|
| 1236 | } |
---|
| 1237 | |
---|
| 1238 | g_object_set (user, "login-frequency", frequency, NULL); |
---|
| 1239 | g_signal_emit (manager, signals [USER_LOGIN_FREQUENCY_CHANGED], 0, user); |
---|
| 1240 | g_free (username); |
---|
| 1241 | } |
---|
| 1242 | |
---|
| 1243 | static gboolean |
---|
| 1244 | ck_history_watch (GIOChannel *source, |
---|
| 1245 | GIOCondition condition, |
---|
| 1246 | GdmUserManager *manager) |
---|
| 1247 | { |
---|
| 1248 | GIOStatus status; |
---|
| 1249 | gboolean done = FALSE; |
---|
| 1250 | |
---|
| 1251 | g_return_val_if_fail (manager != NULL, FALSE); |
---|
| 1252 | |
---|
| 1253 | if (condition & G_IO_IN) { |
---|
| 1254 | char *str; |
---|
| 1255 | GError *error; |
---|
| 1256 | |
---|
| 1257 | error = NULL; |
---|
| 1258 | status = g_io_channel_read_line (source, &str, NULL, NULL, &error); |
---|
| 1259 | if (error != NULL) { |
---|
| 1260 | g_warning ("GdmUserManager: unable to read line: %s", error->message); |
---|
| 1261 | g_error_free (error); |
---|
| 1262 | } |
---|
| 1263 | |
---|
| 1264 | if (status == G_IO_STATUS_NORMAL) { |
---|
| 1265 | g_debug ("GdmUserManager: history output: %s", str); |
---|
| 1266 | process_ck_history_line (manager, str); |
---|
| 1267 | } else if (status == G_IO_STATUS_EOF) { |
---|
| 1268 | done = TRUE; |
---|
| 1269 | } |
---|
| 1270 | |
---|
| 1271 | g_free (str); |
---|
| 1272 | } else if (condition & G_IO_HUP) { |
---|
| 1273 | done = TRUE; |
---|
| 1274 | } |
---|
| 1275 | |
---|
| 1276 | if (done) { |
---|
| 1277 | g_signal_emit (G_OBJECT (manager), signals[USERS_LOADED], 0); |
---|
| 1278 | |
---|
| 1279 | manager->priv->ck_history_id = 0; |
---|
| 1280 | return FALSE; |
---|
| 1281 | } |
---|
| 1282 | |
---|
| 1283 | return TRUE; |
---|
| 1284 | } |
---|
| 1285 | |
---|
| 1286 | static void |
---|
| 1287 | reload_ck_history (GdmUserManager *manager) |
---|
| 1288 | { |
---|
| 1289 | char *command; |
---|
| 1290 | const char *seat_id; |
---|
| 1291 | GError *error; |
---|
| 1292 | gboolean res; |
---|
| 1293 | char **argv; |
---|
| 1294 | int standard_out; |
---|
| 1295 | GIOChannel *channel; |
---|
| 1296 | |
---|
| 1297 | seat_id = NULL; |
---|
| 1298 | if (manager->priv->seat_id != NULL |
---|
| 1299 | && g_str_has_prefix (manager->priv->seat_id, "/org/freedesktop/ConsoleKit/")) { |
---|
| 1300 | |
---|
| 1301 | seat_id = manager->priv->seat_id + strlen ("/org/freedesktop/ConsoleKit/"); |
---|
| 1302 | } |
---|
| 1303 | |
---|
| 1304 | if (seat_id == NULL) { |
---|
| 1305 | g_warning ("Unable to find users: no seat-id found"); |
---|
| 1306 | return; |
---|
| 1307 | } |
---|
| 1308 | |
---|
| 1309 | command = g_strdup_printf ("ck-history --frequent --seat='%s' --session-type=''", |
---|
| 1310 | seat_id); |
---|
| 1311 | g_debug ("GdmUserManager: running '%s'", command); |
---|
| 1312 | error = NULL; |
---|
| 1313 | if (! g_shell_parse_argv (command, NULL, &argv, &error)) { |
---|
| 1314 | if (error != NULL) { |
---|
| 1315 | g_warning ("Could not parse command: %s", error->message); |
---|
| 1316 | g_error_free (error); |
---|
| 1317 | } else { |
---|
| 1318 | g_warning ("Could not parse command"); |
---|
| 1319 | } |
---|
| 1320 | goto out; |
---|
| 1321 | } |
---|
| 1322 | |
---|
| 1323 | error = NULL; |
---|
| 1324 | res = g_spawn_async_with_pipes (NULL, |
---|
| 1325 | argv, |
---|
| 1326 | NULL, |
---|
| 1327 | G_SPAWN_SEARCH_PATH, |
---|
| 1328 | NULL, |
---|
| 1329 | NULL, |
---|
| 1330 | NULL, /* pid */ |
---|
| 1331 | NULL, |
---|
| 1332 | &standard_out, |
---|
| 1333 | NULL, |
---|
| 1334 | &error); |
---|
| 1335 | g_strfreev (argv); |
---|
| 1336 | if (! res) { |
---|
| 1337 | if (error != NULL) { |
---|
| 1338 | g_warning ("Unable to run ck-history: %s", error->message); |
---|
| 1339 | g_error_free (error); |
---|
| 1340 | } else { |
---|
| 1341 | g_warning ("Unable to run ck-history"); |
---|
| 1342 | } |
---|
| 1343 | goto out; |
---|
| 1344 | } |
---|
| 1345 | |
---|
| 1346 | channel = g_io_channel_unix_new (standard_out); |
---|
| 1347 | g_io_channel_set_close_on_unref (channel, TRUE); |
---|
| 1348 | g_io_channel_set_flags (channel, |
---|
| 1349 | g_io_channel_get_flags (channel) | G_IO_FLAG_NONBLOCK, |
---|
| 1350 | NULL); |
---|
| 1351 | manager->priv->ck_history_id = g_io_add_watch (channel, |
---|
| 1352 | G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, |
---|
| 1353 | (GIOFunc)ck_history_watch, |
---|
| 1354 | manager); |
---|
| 1355 | g_io_channel_unref (channel); |
---|
| 1356 | |
---|
| 1357 | out: |
---|
| 1358 | g_free (command); |
---|
| 1359 | } |
---|
| 1360 | |
---|
| 1361 | static void |
---|
| 1362 | reload_passwd (GdmUserManager *manager) |
---|
| 1363 | { |
---|
| 1364 | struct passwd *pwent; |
---|
| 1365 | GSList *old_users; |
---|
| 1366 | GSList *new_users; |
---|
| 1367 | GSList *list; |
---|
| 1368 | GSList *dup; |
---|
| 1369 | FILE *fp; |
---|
| 1370 | |
---|
| 1371 | old_users = NULL; |
---|
| 1372 | new_users = NULL; |
---|
| 1373 | |
---|
| 1374 | errno = 0; |
---|
| 1375 | fp = fopen (PATH_PASSWD, "r"); |
---|
| 1376 | if (fp == NULL) { |
---|
| 1377 | g_warning ("Unable to open %s: %s", PATH_PASSWD, g_strerror (errno)); |
---|
| 1378 | goto out; |
---|
| 1379 | } |
---|
| 1380 | |
---|
| 1381 | g_hash_table_foreach (manager->priv->users, listify_hash_values_hfunc, &old_users); |
---|
| 1382 | g_slist_foreach (old_users, (GFunc) g_object_ref, NULL); |
---|
| 1383 | |
---|
| 1384 | /* Make sure we keep users who are logged in no matter what. */ |
---|
| 1385 | for (list = old_users; list; list = list->next) { |
---|
| 1386 | if (gdm_user_get_num_sessions (list->data) > 0) { |
---|
| 1387 | g_object_freeze_notify (G_OBJECT (list->data)); |
---|
| 1388 | _gdm_user_show_short_display_name (list->data); |
---|
| 1389 | new_users = g_slist_prepend (new_users, g_object_ref (list->data)); |
---|
| 1390 | } |
---|
| 1391 | } |
---|
| 1392 | |
---|
| 1393 | for (pwent = fgetpwent (fp); pwent != NULL; pwent = fgetpwent (fp)) { |
---|
| 1394 | GdmUser *user; |
---|
| 1395 | |
---|
| 1396 | user = NULL; |
---|
| 1397 | |
---|
| 1398 | /* Skip users below MinimalUID... */ |
---|
| 1399 | if (pwent->pw_uid < DEFAULT_MINIMAL_UID) { |
---|
| 1400 | continue; |
---|
| 1401 | } |
---|
| 1402 | |
---|
| 1403 | /* ...And users w/ invalid shells... */ |
---|
| 1404 | if (pwent->pw_shell == NULL || |
---|
| 1405 | !g_hash_table_lookup (manager->priv->shells, pwent->pw_shell)) { |
---|
| 1406 | g_debug ("GdmUserManager: skipping user with bad shell: %s", pwent->pw_name); |
---|
| 1407 | continue; |
---|
| 1408 | } |
---|
| 1409 | |
---|
| 1410 | /* ...And explicitly excluded users */ |
---|
| 1411 | if (g_hash_table_lookup (manager->priv->exclusions, pwent->pw_name)) { |
---|
| 1412 | g_debug ("GdmUserManager: explicitly skipping user: %s", pwent->pw_name); |
---|
| 1413 | continue; |
---|
| 1414 | } |
---|
| 1415 | |
---|
| 1416 | user = g_hash_table_lookup (manager->priv->users, pwent->pw_name); |
---|
| 1417 | |
---|
| 1418 | /* Update users already in the *new* list */ |
---|
| 1419 | if (g_slist_find (new_users, user)) { |
---|
| 1420 | _gdm_user_update (user, pwent); |
---|
| 1421 | continue; |
---|
| 1422 | } |
---|
| 1423 | |
---|
| 1424 | if (user == NULL) { |
---|
| 1425 | user = create_user (manager); |
---|
| 1426 | } else { |
---|
| 1427 | g_object_ref (user); |
---|
| 1428 | } |
---|
| 1429 | |
---|
| 1430 | /* Freeze & update users not already in the new list */ |
---|
| 1431 | g_object_freeze_notify (G_OBJECT (user)); |
---|
| 1432 | _gdm_user_update (user, pwent); |
---|
| 1433 | |
---|
| 1434 | new_users = g_slist_prepend (new_users, user); |
---|
| 1435 | } |
---|
| 1436 | |
---|
| 1437 | /* Go through and handle removed users */ |
---|
| 1438 | for (list = old_users; list; list = list->next) { |
---|
| 1439 | if (! g_slist_find (new_users, list->data)) { |
---|
| 1440 | g_signal_emit (manager, signals[USER_REMOVED], 0, list->data); |
---|
| 1441 | g_hash_table_remove (manager->priv->users, |
---|
| 1442 | gdm_user_get_user_name (list->data)); |
---|
| 1443 | } |
---|
| 1444 | } |
---|
| 1445 | |
---|
| 1446 | /* Go through and handle added users or update display names */ |
---|
| 1447 | for (list = new_users; list; list = list->next) { |
---|
| 1448 | if (g_slist_find (old_users, list->data)) { |
---|
| 1449 | dup = g_slist_find_custom (new_users, |
---|
| 1450 | list->data, |
---|
| 1451 | match_real_name_cmpfunc); |
---|
| 1452 | if (dup != NULL) { |
---|
| 1453 | _gdm_user_show_full_display_name (list->data); |
---|
| 1454 | _gdm_user_show_full_display_name (dup->data); |
---|
| 1455 | } |
---|
| 1456 | } else { |
---|
| 1457 | add_user (manager, list->data); |
---|
| 1458 | } |
---|
| 1459 | } |
---|
| 1460 | |
---|
| 1461 | out: |
---|
| 1462 | /* Cleanup */ |
---|
| 1463 | |
---|
| 1464 | fclose (fp); |
---|
| 1465 | |
---|
| 1466 | g_slist_foreach (new_users, (GFunc) g_object_thaw_notify, NULL); |
---|
| 1467 | g_slist_foreach (new_users, (GFunc) g_object_unref, NULL); |
---|
| 1468 | g_slist_free (new_users); |
---|
| 1469 | |
---|
| 1470 | g_slist_foreach (old_users, (GFunc) g_object_unref, NULL); |
---|
| 1471 | g_slist_free (old_users); |
---|
| 1472 | } |
---|
| 1473 | |
---|
| 1474 | static void |
---|
| 1475 | reload_users (GdmUserManager *manager) |
---|
| 1476 | { |
---|
| 1477 | reload_ck_history (manager); |
---|
| 1478 | reload_passwd (manager); |
---|
| 1479 | } |
---|
| 1480 | |
---|
| 1481 | static gboolean |
---|
| 1482 | reload_users_timeout (GdmUserManager *manager) |
---|
| 1483 | { |
---|
| 1484 | reload_users (manager); |
---|
| 1485 | manager->priv->reload_id = 0; |
---|
| 1486 | |
---|
| 1487 | return FALSE; |
---|
| 1488 | } |
---|
| 1489 | |
---|
| 1490 | static void |
---|
| 1491 | queue_reload_users (GdmUserManager *manager) |
---|
| 1492 | { |
---|
| 1493 | if (manager->priv->reload_id > 0) { |
---|
| 1494 | return; |
---|
| 1495 | } |
---|
| 1496 | |
---|
| 1497 | g_signal_emit (G_OBJECT (manager), signals[LOADING_USERS], 0); |
---|
| 1498 | manager->priv->reload_id = g_idle_add ((GSourceFunc)reload_users_timeout, manager); |
---|
| 1499 | } |
---|
| 1500 | |
---|
| 1501 | static void |
---|
| 1502 | reload_shells (GdmUserManager *manager) |
---|
| 1503 | { |
---|
| 1504 | char *shell; |
---|
| 1505 | |
---|
| 1506 | setusershell (); |
---|
| 1507 | |
---|
| 1508 | g_hash_table_remove_all (manager->priv->shells); |
---|
| 1509 | for (shell = getusershell (); shell != NULL; shell = getusershell ()) { |
---|
| 1510 | /* skip well known not-real shells */ |
---|
| 1511 | if (shell == NULL |
---|
| 1512 | || strcmp (shell, "/sbin/nologin") == 0 |
---|
| 1513 | || strcmp (shell, "/bin/false") == 0) { |
---|
| 1514 | g_debug ("GdmUserManager: skipping shell %s", shell); |
---|
| 1515 | continue; |
---|
| 1516 | } |
---|
| 1517 | g_hash_table_insert (manager->priv->shells, |
---|
| 1518 | g_strdup (shell), |
---|
| 1519 | GUINT_TO_POINTER (TRUE)); |
---|
| 1520 | } |
---|
| 1521 | |
---|
| 1522 | endusershell (); |
---|
| 1523 | } |
---|
| 1524 | |
---|
| 1525 | static void |
---|
| 1526 | on_shells_monitor_changed (GFileMonitor *monitor, |
---|
| 1527 | GFile *file, |
---|
| 1528 | GFile *other_file, |
---|
| 1529 | GFileMonitorEvent event_type, |
---|
| 1530 | GdmUserManager *manager) |
---|
| 1531 | { |
---|
| 1532 | if (event_type != G_FILE_MONITOR_EVENT_CHANGED && |
---|
| 1533 | event_type != G_FILE_MONITOR_EVENT_CREATED) { |
---|
| 1534 | return; |
---|
| 1535 | } |
---|
| 1536 | |
---|
| 1537 | reload_shells (manager); |
---|
| 1538 | reload_passwd (manager); |
---|
| 1539 | } |
---|
| 1540 | |
---|
| 1541 | static void |
---|
| 1542 | on_passwd_monitor_changed (GFileMonitor *monitor, |
---|
| 1543 | GFile *file, |
---|
| 1544 | GFile *other_file, |
---|
| 1545 | GFileMonitorEvent event_type, |
---|
| 1546 | GdmUserManager *manager) |
---|
| 1547 | { |
---|
| 1548 | if (event_type != G_FILE_MONITOR_EVENT_CHANGED && |
---|
| 1549 | event_type != G_FILE_MONITOR_EVENT_CREATED) { |
---|
| 1550 | return; |
---|
| 1551 | } |
---|
| 1552 | |
---|
| 1553 | reload_passwd (manager); |
---|
| 1554 | } |
---|
| 1555 | |
---|
| 1556 | static void |
---|
| 1557 | gdm_user_manager_class_init (GdmUserManagerClass *klass) |
---|
| 1558 | { |
---|
| 1559 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
---|
| 1560 | |
---|
| 1561 | object_class->finalize = gdm_user_manager_finalize; |
---|
| 1562 | |
---|
| 1563 | signals [LOADING_USERS] = |
---|
| 1564 | g_signal_new ("loading-users", |
---|
| 1565 | G_TYPE_FROM_CLASS (klass), |
---|
| 1566 | G_SIGNAL_RUN_LAST, |
---|
| 1567 | G_STRUCT_OFFSET (GdmUserManagerClass, loading_users), |
---|
| 1568 | NULL, NULL, |
---|
| 1569 | g_cclosure_marshal_VOID__VOID, |
---|
| 1570 | G_TYPE_NONE, 0); |
---|
| 1571 | signals [USERS_LOADED] = |
---|
| 1572 | g_signal_new ("users-loaded", |
---|
| 1573 | G_TYPE_FROM_CLASS (klass), |
---|
| 1574 | G_SIGNAL_RUN_LAST, |
---|
| 1575 | G_STRUCT_OFFSET (GdmUserManagerClass, users_loaded), |
---|
| 1576 | NULL, NULL, |
---|
| 1577 | g_cclosure_marshal_VOID__VOID, |
---|
| 1578 | G_TYPE_NONE, 0); |
---|
| 1579 | signals [USER_ADDED] = |
---|
| 1580 | g_signal_new ("user-added", |
---|
| 1581 | G_TYPE_FROM_CLASS (klass), |
---|
| 1582 | G_SIGNAL_RUN_LAST, |
---|
| 1583 | G_STRUCT_OFFSET (GdmUserManagerClass, user_added), |
---|
| 1584 | NULL, NULL, |
---|
| 1585 | g_cclosure_marshal_VOID__OBJECT, |
---|
| 1586 | G_TYPE_NONE, 1, GDM_TYPE_USER); |
---|
| 1587 | signals [USER_REMOVED] = |
---|
| 1588 | g_signal_new ("user-removed", |
---|
| 1589 | G_TYPE_FROM_CLASS (klass), |
---|
| 1590 | G_SIGNAL_RUN_LAST, |
---|
| 1591 | G_STRUCT_OFFSET (GdmUserManagerClass, user_removed), |
---|
| 1592 | NULL, NULL, |
---|
| 1593 | g_cclosure_marshal_VOID__OBJECT, |
---|
| 1594 | G_TYPE_NONE, 1, GDM_TYPE_USER); |
---|
| 1595 | signals [USER_IS_LOGGED_IN_CHANGED] = |
---|
| 1596 | g_signal_new ("user-is-logged-in-changed", |
---|
| 1597 | G_TYPE_FROM_CLASS (klass), |
---|
| 1598 | G_SIGNAL_RUN_LAST, |
---|
| 1599 | G_STRUCT_OFFSET (GdmUserManagerClass, user_is_logged_in_changed), |
---|
| 1600 | NULL, NULL, |
---|
| 1601 | g_cclosure_marshal_VOID__OBJECT, |
---|
| 1602 | G_TYPE_NONE, 1, GDM_TYPE_USER); |
---|
| 1603 | signals [USER_LOGIN_FREQUENCY_CHANGED] = |
---|
| 1604 | g_signal_new ("user-login-frequency-changed", |
---|
| 1605 | G_TYPE_FROM_CLASS (klass), |
---|
| 1606 | G_SIGNAL_RUN_LAST, |
---|
| 1607 | G_STRUCT_OFFSET (GdmUserManagerClass, user_login_frequency_changed), |
---|
| 1608 | NULL, NULL, |
---|
| 1609 | g_cclosure_marshal_VOID__OBJECT, |
---|
| 1610 | G_TYPE_NONE, 1, GDM_TYPE_USER); |
---|
| 1611 | |
---|
| 1612 | g_type_class_add_private (klass, sizeof (GdmUserManagerPrivate)); |
---|
| 1613 | } |
---|
| 1614 | |
---|
| 1615 | static void |
---|
| 1616 | gdm_user_manager_init (GdmUserManager *manager) |
---|
| 1617 | { |
---|
| 1618 | int i; |
---|
| 1619 | GFile *file; |
---|
| 1620 | GError *error; |
---|
| 1621 | const char *exclude_default[] = DEFAULT_EXCLUDE; |
---|
| 1622 | |
---|
| 1623 | manager->priv = GDM_USER_MANAGER_GET_PRIVATE (manager); |
---|
| 1624 | |
---|
| 1625 | /* sessions */ |
---|
| 1626 | manager->priv->sessions = g_hash_table_new_full (g_str_hash, |
---|
| 1627 | g_str_equal, |
---|
| 1628 | g_free, |
---|
| 1629 | g_free); |
---|
| 1630 | |
---|
| 1631 | /* exclusions */ |
---|
| 1632 | manager->priv->exclusions = g_hash_table_new_full (g_str_hash, |
---|
| 1633 | g_str_equal, |
---|
| 1634 | g_free, |
---|
| 1635 | NULL); |
---|
| 1636 | for (i = 0; exclude_default[i] != NULL; i++) { |
---|
| 1637 | g_hash_table_insert (manager->priv->exclusions, |
---|
| 1638 | g_strdup (exclude_default [i]), |
---|
| 1639 | GUINT_TO_POINTER (TRUE)); |
---|
| 1640 | } |
---|
| 1641 | |
---|
| 1642 | /* /etc/shells */ |
---|
| 1643 | manager->priv->shells = g_hash_table_new_full (g_str_hash, |
---|
| 1644 | g_str_equal, |
---|
| 1645 | g_free, |
---|
| 1646 | NULL); |
---|
| 1647 | reload_shells (manager); |
---|
| 1648 | file = g_file_new_for_path (_PATH_SHELLS); |
---|
| 1649 | error = NULL; |
---|
| 1650 | manager->priv->shells_monitor = g_file_monitor_file (file, |
---|
| 1651 | G_FILE_MONITOR_NONE, |
---|
| 1652 | NULL, |
---|
| 1653 | &error); |
---|
| 1654 | if (manager->priv->shells_monitor != NULL) { |
---|
| 1655 | g_signal_connect (manager->priv->shells_monitor, |
---|
| 1656 | "changed", |
---|
| 1657 | G_CALLBACK (on_shells_monitor_changed), |
---|
| 1658 | manager); |
---|
| 1659 | } else { |
---|
| 1660 | if (error != NULL) { |
---|
| 1661 | g_warning ("Unable to monitor %s: %s", _PATH_SHELLS, error->message); |
---|
| 1662 | g_error_free (error); |
---|
| 1663 | } else { |
---|
| 1664 | g_warning ("Unable to monitor %s", _PATH_SHELLS); |
---|
| 1665 | } |
---|
| 1666 | } |
---|
| 1667 | g_object_unref (file); |
---|
| 1668 | |
---|
| 1669 | /* /etc/passwd */ |
---|
| 1670 | manager->priv->users = g_hash_table_new_full (g_str_hash, |
---|
| 1671 | g_str_equal, |
---|
| 1672 | g_free, |
---|
| 1673 | (GDestroyNotify) g_object_run_dispose); |
---|
| 1674 | file = g_file_new_for_path (PATH_PASSWD); |
---|
| 1675 | manager->priv->passwd_monitor = g_file_monitor_file (file, |
---|
| 1676 | G_FILE_MONITOR_NONE, |
---|
| 1677 | NULL, |
---|
| 1678 | &error); |
---|
| 1679 | if (manager->priv->passwd_monitor != NULL) { |
---|
| 1680 | g_signal_connect (manager->priv->passwd_monitor, |
---|
| 1681 | "changed", |
---|
| 1682 | G_CALLBACK (on_passwd_monitor_changed), |
---|
| 1683 | manager); |
---|
| 1684 | } else { |
---|
| 1685 | if (error != NULL) { |
---|
| 1686 | g_warning ("Unable to monitor %s: %s", PATH_PASSWD, error->message); |
---|
| 1687 | g_error_free (error); |
---|
| 1688 | } else { |
---|
| 1689 | g_warning ("Unable to monitor %s", PATH_PASSWD); |
---|
| 1690 | } |
---|
| 1691 | } |
---|
| 1692 | g_object_unref (file); |
---|
| 1693 | |
---|
| 1694 | |
---|
| 1695 | get_seat_proxy (manager); |
---|
| 1696 | |
---|
| 1697 | queue_reload_users (manager); |
---|
| 1698 | |
---|
| 1699 | manager->priv->users_dirty = FALSE; |
---|
| 1700 | } |
---|
| 1701 | |
---|
| 1702 | static void |
---|
| 1703 | gdm_user_manager_finalize (GObject *object) |
---|
| 1704 | { |
---|
| 1705 | GdmUserManager *manager; |
---|
| 1706 | |
---|
| 1707 | g_return_if_fail (object != NULL); |
---|
| 1708 | g_return_if_fail (GDM_IS_USER_MANAGER (object)); |
---|
| 1709 | |
---|
| 1710 | manager = GDM_USER_MANAGER (object); |
---|
| 1711 | |
---|
| 1712 | g_return_if_fail (manager->priv != NULL); |
---|
| 1713 | |
---|
| 1714 | if (manager->priv->seat_proxy != NULL) { |
---|
| 1715 | g_object_unref (manager->priv->seat_proxy); |
---|
| 1716 | } |
---|
| 1717 | |
---|
| 1718 | if (manager->priv->ck_history_id != 0) { |
---|
| 1719 | g_source_remove (manager->priv->ck_history_id); |
---|
| 1720 | manager->priv->ck_history_id = 0; |
---|
| 1721 | } |
---|
| 1722 | |
---|
| 1723 | if (manager->priv->reload_id > 0) { |
---|
| 1724 | g_source_remove (manager->priv->reload_id); |
---|
| 1725 | manager->priv->reload_id = 0; |
---|
| 1726 | } |
---|
| 1727 | |
---|
| 1728 | g_hash_table_destroy (manager->priv->sessions); |
---|
| 1729 | |
---|
| 1730 | g_file_monitor_cancel (manager->priv->passwd_monitor); |
---|
| 1731 | g_hash_table_destroy (manager->priv->users); |
---|
| 1732 | |
---|
| 1733 | g_file_monitor_cancel (manager->priv->shells_monitor); |
---|
| 1734 | g_hash_table_destroy (manager->priv->shells); |
---|
| 1735 | |
---|
| 1736 | g_free (manager->priv->seat_id); |
---|
| 1737 | |
---|
| 1738 | G_OBJECT_CLASS (gdm_user_manager_parent_class)->finalize (object); |
---|
| 1739 | } |
---|
| 1740 | |
---|
| 1741 | GdmUserManager * |
---|
| 1742 | gdm_user_manager_ref_default (void) |
---|
| 1743 | { |
---|
| 1744 | if (user_manager_object != NULL) { |
---|
| 1745 | g_object_ref (user_manager_object); |
---|
| 1746 | } else { |
---|
| 1747 | user_manager_object = g_object_new (GDM_TYPE_USER_MANAGER, NULL); |
---|
| 1748 | g_object_add_weak_pointer (user_manager_object, |
---|
| 1749 | (gpointer *) &user_manager_object); |
---|
| 1750 | } |
---|
| 1751 | |
---|
| 1752 | return GDM_USER_MANAGER (user_manager_object); |
---|
| 1753 | } |
---|