[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 <fcntl.h> |
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| 26 | #include <unistd.h> |
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| 27 | #include <string.h> |
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| 28 | #include <sys/types.h> |
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| 29 | #include <sys/wait.h> |
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| 30 | #include <errno.h> |
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| 31 | #include <pwd.h> |
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| 32 | #include <grp.h> |
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| 33 | #include <signal.h> |
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| 34 | |
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| 35 | #include <glib.h> |
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| 36 | #include <glib/gstdio.h> |
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| 37 | #include <glib/gi18n.h> |
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| 38 | #include <glib-object.h> |
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| 39 | |
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| 40 | #define DBUS_API_SUBJECT_TO_CHANGE |
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| 41 | #include <dbus/dbus-glib.h> |
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| 42 | #include <dbus/dbus-glib-lowlevel.h> |
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| 43 | |
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| 44 | #include <X11/Xlib.h> /* for Display */ |
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| 45 | #include <X11/cursorfont.h> /* for watch cursor */ |
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| 46 | |
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| 47 | #include "gdm-common.h" |
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| 48 | |
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| 49 | #include "gdm-slave.h" |
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| 50 | #include "gdm-slave-glue.h" |
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| 51 | |
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| 52 | #include "gdm-server.h" |
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| 53 | |
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| 54 | #define GDM_SLAVE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_SLAVE, GdmSlavePrivate)) |
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| 55 | |
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| 56 | #define CK_NAME "org.freedesktop.ConsoleKit" |
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| 57 | #define CK_PATH "/org/freedesktop/ConsoleKit" |
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| 58 | #define CK_INTERFACE "org.freedesktop.ConsoleKit" |
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| 59 | |
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| 60 | #define CK_MANAGER_PATH "/org/freedesktop/ConsoleKit/Manager" |
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| 61 | #define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager" |
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| 62 | #define CK_SEAT_INTERFACE "org.freedesktop.ConsoleKit.Seat" |
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| 63 | #define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session" |
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| 64 | |
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| 65 | #define GDM_DBUS_NAME "org.gnome.DisplayManager" |
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| 66 | #define GDM_DBUS_DISPLAY_INTERFACE "org.gnome.DisplayManager.Display" |
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| 67 | |
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| 68 | #define MAX_CONNECT_ATTEMPTS 10 |
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| 69 | |
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| 70 | struct GdmSlavePrivate |
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| 71 | { |
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| 72 | char *id; |
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| 73 | GPid pid; |
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| 74 | guint output_watch_id; |
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| 75 | guint error_watch_id; |
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| 76 | |
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| 77 | Display *server_display; |
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| 78 | |
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| 79 | /* cached display values */ |
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| 80 | char *display_id; |
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| 81 | char *display_name; |
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| 82 | int display_number; |
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| 83 | char *display_hostname; |
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| 84 | gboolean display_is_local; |
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| 85 | gboolean display_is_parented; |
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| 86 | char *display_seat_id; |
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| 87 | char *display_x11_authority_file; |
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| 88 | char *parent_display_name; |
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| 89 | char *parent_display_x11_authority_file; |
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| 90 | |
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| 91 | GArray *display_x11_cookie; |
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| 92 | |
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| 93 | DBusGProxy *display_proxy; |
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| 94 | DBusGConnection *connection; |
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| 95 | }; |
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| 96 | |
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| 97 | enum { |
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| 98 | PROP_0, |
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| 99 | PROP_DISPLAY_ID, |
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| 100 | PROP_DISPLAY_NAME, |
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| 101 | PROP_DISPLAY_NUMBER, |
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| 102 | PROP_DISPLAY_HOSTNAME, |
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| 103 | PROP_DISPLAY_IS_LOCAL, |
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| 104 | PROP_DISPLAY_SEAT_ID, |
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| 105 | PROP_DISPLAY_X11_AUTHORITY_FILE |
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| 106 | }; |
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| 107 | |
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| 108 | enum { |
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| 109 | STOPPED, |
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| 110 | LAST_SIGNAL |
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| 111 | }; |
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| 112 | |
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| 113 | static guint signals [LAST_SIGNAL] = { 0, }; |
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| 114 | |
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| 115 | static void gdm_slave_class_init (GdmSlaveClass *klass); |
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| 116 | static void gdm_slave_init (GdmSlave *slave); |
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| 117 | static void gdm_slave_finalize (GObject *object); |
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| 118 | |
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| 119 | G_DEFINE_ABSTRACT_TYPE (GdmSlave, gdm_slave, G_TYPE_OBJECT) |
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| 120 | |
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| 121 | #define CURSOR_WATCH XC_watch |
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| 122 | |
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| 123 | static void |
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| 124 | gdm_slave_whack_temp_auth_file (GdmSlave *slave) |
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| 125 | { |
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| 126 | #if 0 |
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| 127 | uid_t old; |
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| 128 | |
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| 129 | old = geteuid (); |
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| 130 | if (old != 0) |
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| 131 | seteuid (0); |
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| 132 | if (d->parent_temp_auth_file != NULL) { |
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| 133 | VE_IGNORE_EINTR (g_unlink (d->parent_temp_auth_file)); |
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| 134 | } |
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| 135 | g_free (d->parent_temp_auth_file); |
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| 136 | d->parent_temp_auth_file = NULL; |
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| 137 | if (old != 0) |
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| 138 | seteuid (old); |
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| 139 | #endif |
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| 140 | } |
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| 141 | |
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| 142 | |
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| 143 | static void |
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| 144 | create_temp_auth_file (GdmSlave *slave) |
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| 145 | { |
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| 146 | #if 0 |
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| 147 | if (d->type == TYPE_FLEXI_XNEST && |
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| 148 | d->parent_auth_file != NULL) { |
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| 149 | if (d->parent_temp_auth_file != NULL) { |
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| 150 | VE_IGNORE_EINTR (g_unlink (d->parent_temp_auth_file)); |
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| 151 | } |
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| 152 | g_free (d->parent_temp_auth_file); |
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| 153 | d->parent_temp_auth_file = |
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| 154 | copy_auth_file (d->server_uid, |
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| 155 | gdm_daemon_config_get_gdmuid (), |
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| 156 | d->parent_auth_file); |
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| 157 | } |
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| 158 | #endif |
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| 159 | } |
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| 160 | |
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| 161 | static void |
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| 162 | listify_hash (const char *key, |
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| 163 | const char *value, |
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| 164 | GPtrArray *env) |
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| 165 | { |
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| 166 | char *str; |
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| 167 | str = g_strdup_printf ("%s=%s", key, value); |
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| 168 | g_debug ("GdmSlave: script environment: %s", str); |
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| 169 | g_ptr_array_add (env, str); |
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| 170 | } |
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| 171 | |
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| 172 | static GPtrArray * |
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| 173 | get_script_environment (GdmSlave *slave, |
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| 174 | const char *username) |
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| 175 | { |
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| 176 | GPtrArray *env; |
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| 177 | GHashTable *hash; |
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| 178 | struct passwd *pwent; |
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| 179 | char *x_servers_file; |
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| 180 | char *temp; |
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| 181 | |
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| 182 | env = g_ptr_array_new (); |
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| 183 | |
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| 184 | /* create a hash table of current environment, then update keys has necessary */ |
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| 185 | hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); |
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| 186 | |
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| 187 | /* modify environment here */ |
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| 188 | g_hash_table_insert (hash, g_strdup ("HOME"), g_strdup ("/")); |
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| 189 | g_hash_table_insert (hash, g_strdup ("PWD"), g_strdup ("/")); |
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| 190 | g_hash_table_insert (hash, g_strdup ("SHELL"), g_strdup ("/bin/sh")); |
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| 191 | |
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| 192 | if (username != NULL) { |
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| 193 | g_hash_table_insert (hash, g_strdup ("LOGNAME"), |
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| 194 | g_strdup (username)); |
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| 195 | g_hash_table_insert (hash, g_strdup ("USER"), |
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| 196 | g_strdup (username)); |
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| 197 | g_hash_table_insert (hash, g_strdup ("USERNAME"), |
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| 198 | g_strdup (username)); |
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| 199 | |
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| 200 | pwent = getpwnam (username); |
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| 201 | if (pwent != NULL) { |
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| 202 | if (pwent->pw_dir != NULL && pwent->pw_dir[0] != '\0') { |
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| 203 | g_hash_table_insert (hash, g_strdup ("HOME"), |
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| 204 | g_strdup (pwent->pw_dir)); |
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| 205 | g_hash_table_insert (hash, g_strdup ("PWD"), |
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| 206 | g_strdup (pwent->pw_dir)); |
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| 207 | } |
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| 208 | |
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| 209 | g_hash_table_insert (hash, g_strdup ("SHELL"), |
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| 210 | g_strdup (pwent->pw_shell)); |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | #if 0 |
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| 215 | if (display_is_parented) { |
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| 216 | g_hash_table_insert (hash, g_strdup ("GDM_PARENT_DISPLAY"), g_strdup (parent_display_name)); |
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| 217 | |
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| 218 | /*g_hash_table_insert (hash, "GDM_PARENT_XAUTHORITY"), slave->priv->parent_temp_auth_file));*/ |
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| 219 | } |
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| 220 | #endif |
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| 221 | |
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| 222 | /* some env for use with the Pre and Post scripts */ |
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| 223 | temp = g_strconcat (slave->priv->display_name, ".Xservers", NULL); |
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| 224 | x_servers_file = g_build_filename (AUTHDIR, temp, NULL); |
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| 225 | g_free (temp); |
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| 226 | |
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| 227 | g_hash_table_insert (hash, g_strdup ("X_SERVERS"), x_servers_file); |
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| 228 | |
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| 229 | if (! slave->priv->display_is_local) { |
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| 230 | g_hash_table_insert (hash, g_strdup ("REMOTE_HOST"), g_strdup (slave->priv->display_hostname)); |
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| 231 | } |
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| 232 | |
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| 233 | /* Runs as root */ |
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| 234 | g_hash_table_insert (hash, g_strdup ("XAUTHORITY"), g_strdup (slave->priv->display_x11_authority_file)); |
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| 235 | g_hash_table_insert (hash, g_strdup ("DISPLAY"), g_strdup (slave->priv->display_name)); |
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| 236 | |
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| 237 | /*g_setenv ("PATH", gdm_daemon_config_get_value_string (GDM_KEY_ROOT_PATH), TRUE);*/ |
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| 238 | |
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| 239 | g_hash_table_insert (hash, g_strdup ("RUNNING_UNDER_GDM"), g_strdup ("true")); |
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| 240 | |
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| 241 | g_hash_table_remove (hash, "MAIL"); |
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| 242 | |
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| 243 | |
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| 244 | g_hash_table_foreach (hash, (GHFunc)listify_hash, env); |
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| 245 | g_hash_table_destroy (hash); |
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| 246 | |
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| 247 | g_ptr_array_add (env, NULL); |
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| 248 | |
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| 249 | return env; |
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| 250 | } |
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| 251 | |
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| 252 | gboolean |
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| 253 | gdm_slave_run_script (GdmSlave *slave, |
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| 254 | const char *dir, |
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| 255 | const char *login) |
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| 256 | { |
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| 257 | char *script; |
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| 258 | char **argv; |
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| 259 | gint status; |
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| 260 | GError *error; |
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| 261 | GPtrArray *env; |
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| 262 | gboolean res; |
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| 263 | gboolean ret; |
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| 264 | |
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| 265 | ret = FALSE; |
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| 266 | |
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| 267 | g_assert (dir != NULL); |
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| 268 | g_assert (login != NULL); |
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| 269 | |
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| 270 | script = g_build_filename (dir, slave->priv->display_name, NULL); |
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| 271 | g_debug ("GdmSlave: Trying script %s", script); |
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| 272 | if (! (g_file_test (script, G_FILE_TEST_IS_REGULAR) |
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| 273 | && g_file_test (script, G_FILE_TEST_IS_EXECUTABLE))) { |
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| 274 | g_debug ("GdmSlave: script %s not found; skipping", script); |
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| 275 | g_free (script); |
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| 276 | script = NULL; |
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| 277 | } |
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| 278 | |
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| 279 | if (script == NULL |
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| 280 | && slave->priv->display_hostname != NULL |
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| 281 | && slave->priv->display_hostname[0] != '\0') { |
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| 282 | script = g_build_filename (dir, slave->priv->display_hostname, NULL); |
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| 283 | g_debug ("GdmSlave: Trying script %s", script); |
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| 284 | if (! (g_file_test (script, G_FILE_TEST_IS_REGULAR) |
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| 285 | && g_file_test (script, G_FILE_TEST_IS_EXECUTABLE))) { |
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| 286 | g_debug ("GdmSlave: script %s not found; skipping", script); |
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| 287 | g_free (script); |
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| 288 | script = NULL; |
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| 289 | } |
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| 290 | } |
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| 291 | |
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| 292 | if (script == NULL) { |
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| 293 | script = g_build_filename (dir, "Default", NULL); |
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| 294 | g_debug ("GdmSlave: Trying script %s", script); |
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| 295 | if (! (g_file_test (script, G_FILE_TEST_IS_REGULAR) |
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| 296 | && g_file_test (script, G_FILE_TEST_IS_EXECUTABLE))) { |
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| 297 | g_debug ("GdmSlave: script %s not found; skipping", script); |
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| 298 | g_free (script); |
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| 299 | script = NULL; |
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| 300 | } |
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| 301 | } |
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| 302 | |
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| 303 | if (script == NULL) { |
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| 304 | g_debug ("GdmSlave: no script found"); |
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| 305 | return TRUE; |
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| 306 | } |
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| 307 | |
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| 308 | create_temp_auth_file (slave); |
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| 309 | |
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| 310 | g_debug ("GdmSlave: Running process: %s", script); |
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| 311 | error = NULL; |
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| 312 | if (! g_shell_parse_argv (script, NULL, &argv, &error)) { |
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| 313 | g_warning ("Could not parse command: %s", error->message); |
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| 314 | g_error_free (error); |
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| 315 | goto out; |
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| 316 | } |
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| 317 | |
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| 318 | env = get_script_environment (slave, login); |
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| 319 | |
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| 320 | res = g_spawn_sync (NULL, |
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| 321 | argv, |
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| 322 | (char **)env->pdata, |
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| 323 | G_SPAWN_SEARCH_PATH, |
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| 324 | NULL, |
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| 325 | NULL, |
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| 326 | NULL, |
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| 327 | NULL, |
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| 328 | &status, |
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| 329 | &error); |
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| 330 | |
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| 331 | g_ptr_array_foreach (env, (GFunc)g_free, NULL); |
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| 332 | g_ptr_array_free (env, TRUE); |
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| 333 | |
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| 334 | if (! res) { |
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| 335 | g_warning ("GdmSlave: Unable to run script: %s", error->message); |
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| 336 | g_error_free (error); |
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| 337 | } |
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| 338 | |
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| 339 | gdm_slave_whack_temp_auth_file (slave); |
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| 340 | |
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| 341 | if (WIFEXITED (status)) { |
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| 342 | g_debug ("GdmSlave: Process exit status: %d", WEXITSTATUS (status)); |
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| 343 | ret = WEXITSTATUS (status) != 0; |
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| 344 | } else { |
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| 345 | ret = TRUE; |
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| 346 | } |
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| 347 | |
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| 348 | out: |
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| 349 | g_free (script); |
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| 350 | |
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| 351 | return ret; |
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| 352 | } |
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| 353 | |
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| 354 | void |
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| 355 | gdm_slave_set_busy_cursor (GdmSlave *slave) |
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| 356 | { |
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| 357 | if (slave->priv->server_display != NULL) { |
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| 358 | Cursor xcursor; |
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| 359 | |
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| 360 | xcursor = XCreateFontCursor (slave->priv->server_display, CURSOR_WATCH); |
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| 361 | XDefineCursor (slave->priv->server_display, |
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| 362 | DefaultRootWindow (slave->priv->server_display), |
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| 363 | xcursor); |
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| 364 | XFreeCursor (slave->priv->server_display, xcursor); |
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| 365 | XSync (slave->priv->server_display, False); |
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| 366 | } |
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| 367 | } |
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| 368 | |
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| 369 | gboolean |
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| 370 | gdm_slave_connect_to_x11_display (GdmSlave *slave) |
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| 371 | { |
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| 372 | gboolean ret; |
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| 373 | sigset_t mask; |
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| 374 | sigset_t omask; |
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| 375 | |
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| 376 | ret = FALSE; |
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| 377 | |
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| 378 | /* We keep our own (windowless) connection (dsp) open to avoid the |
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| 379 | * X server resetting due to lack of active connections. */ |
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| 380 | |
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| 381 | g_debug ("GdmSlave: Server is ready - opening display %s", slave->priv->display_name); |
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| 382 | |
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| 383 | g_setenv ("DISPLAY", slave->priv->display_name, TRUE); |
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| 384 | g_setenv ("XAUTHORITY", slave->priv->display_x11_authority_file, TRUE); |
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| 385 | |
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| 386 | sigemptyset (&mask); |
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| 387 | sigaddset (&mask, SIGCHLD); |
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| 388 | sigprocmask (SIG_BLOCK, &mask, &omask); |
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| 389 | |
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| 390 | /* Give slave access to the display independent of current hostname */ |
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| 391 | XSetAuthorization ("MIT-MAGIC-COOKIE-1", |
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| 392 | strlen ("MIT-MAGIC-COOKIE-1"), |
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| 393 | slave->priv->display_x11_cookie->data, |
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| 394 | slave->priv->display_x11_cookie->len); |
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| 395 | |
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| 396 | slave->priv->server_display = XOpenDisplay (slave->priv->display_name); |
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| 397 | |
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| 398 | sigprocmask (SIG_SETMASK, &omask, NULL); |
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| 399 | |
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| 400 | |
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| 401 | if (slave->priv->server_display == NULL) { |
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| 402 | g_warning ("Unable to connect to display %s", slave->priv->display_name); |
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| 403 | ret = FALSE; |
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| 404 | } else if (slave->priv->display_is_local) { |
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| 405 | XHostAddress host_entries[2] = { |
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| 406 | { FamilyServerInterpreted }, |
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| 407 | { FamilyServerInterpreted } |
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| 408 | }; |
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| 409 | XServerInterpretedAddress si_entries[2]; |
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| 410 | |
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| 411 | g_debug ("GdmSlave: Connected to display %s", slave->priv->display_name); |
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| 412 | ret = TRUE; |
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| 413 | |
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| 414 | /* Give programs run by the slave and greeter access to the display |
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| 415 | * independent of current hostname |
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| 416 | */ |
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| 417 | si_entries[0].type = "localuser"; |
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| 418 | si_entries[0].typelength = strlen ("localuser"); |
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| 419 | si_entries[1].type = "localuser"; |
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| 420 | si_entries[1].typelength = strlen ("localuser"); |
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| 421 | |
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| 422 | si_entries[0].value = "root"; |
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| 423 | si_entries[0].valuelength = strlen ("root"); |
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| 424 | si_entries[1].value = GDM_USERNAME; |
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| 425 | si_entries[1].valuelength = strlen (GDM_USERNAME); |
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| 426 | |
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| 427 | host_entries[0].address = (char *) &si_entries[0]; |
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| 428 | host_entries[0].length = sizeof (XServerInterpretedAddress); |
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| 429 | host_entries[1].address = (char *) &si_entries[1]; |
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| 430 | host_entries[1].length = sizeof (XServerInterpretedAddress); |
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| 431 | |
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| 432 | XAddHosts (slave->priv->server_display, host_entries, |
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| 433 | G_N_ELEMENTS (host_entries)); |
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| 434 | } else { |
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| 435 | g_debug ("GdmSlave: Connected to display %s", slave->priv->display_name); |
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| 436 | ret = TRUE; |
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| 437 | } |
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| 438 | |
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| 439 | return ret; |
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| 440 | } |
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| 441 | |
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| 442 | static void |
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| 443 | display_proxy_destroyed_cb (DBusGProxy *display_proxy, |
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| 444 | GdmSlave *slave) |
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| 445 | { |
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| 446 | g_debug ("GdmSlave: Disconnected from display"); |
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| 447 | |
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| 448 | slave->priv->display_proxy = NULL; |
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| 449 | } |
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| 450 | |
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| 451 | static gboolean |
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| 452 | gdm_slave_set_slave_bus_name (GdmSlave *slave) |
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| 453 | { |
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| 454 | gboolean res; |
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| 455 | GError *error; |
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| 456 | const char *name; |
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| 457 | |
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| 458 | name = dbus_bus_get_unique_name (dbus_g_connection_get_connection (slave->priv->connection)); |
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| 459 | |
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| 460 | error = NULL; |
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| 461 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
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| 462 | "SetSlaveBusName", |
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| 463 | &error, |
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| 464 | G_TYPE_STRING, name, |
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| 465 | G_TYPE_INVALID, |
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| 466 | G_TYPE_INVALID); |
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| 467 | |
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| 468 | if (! res) { |
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| 469 | if (error != NULL) { |
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| 470 | g_warning ("Failed to set slave bus name on parent: %s", error->message); |
---|
| 471 | g_error_free (error); |
---|
| 472 | } else { |
---|
| 473 | g_warning ("Failed to set slave bus name on parent"); |
---|
| 474 | } |
---|
| 475 | } |
---|
| 476 | |
---|
| 477 | return res; |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | static gboolean |
---|
| 481 | gdm_slave_real_start (GdmSlave *slave) |
---|
| 482 | { |
---|
| 483 | gboolean res; |
---|
| 484 | char *id; |
---|
| 485 | GError *error; |
---|
| 486 | |
---|
| 487 | g_debug ("GdmSlave: Starting slave"); |
---|
| 488 | |
---|
| 489 | g_assert (slave->priv->display_proxy == NULL); |
---|
| 490 | |
---|
| 491 | g_debug ("GdmSlave: Creating proxy for %s", slave->priv->display_id); |
---|
| 492 | error = NULL; |
---|
| 493 | slave->priv->display_proxy = dbus_g_proxy_new_for_name_owner (slave->priv->connection, |
---|
| 494 | GDM_DBUS_NAME, |
---|
| 495 | slave->priv->display_id, |
---|
| 496 | GDM_DBUS_DISPLAY_INTERFACE, |
---|
| 497 | &error); |
---|
| 498 | g_signal_connect (slave->priv->display_proxy, |
---|
| 499 | "destroy", |
---|
| 500 | G_CALLBACK (display_proxy_destroyed_cb), |
---|
| 501 | slave); |
---|
| 502 | |
---|
| 503 | if (slave->priv->display_proxy == NULL) { |
---|
| 504 | if (error != NULL) { |
---|
| 505 | g_warning ("Failed to create display proxy %s: %s", slave->priv->display_id, error->message); |
---|
| 506 | g_error_free (error); |
---|
| 507 | } else { |
---|
| 508 | g_warning ("Unable to create display proxy"); |
---|
| 509 | } |
---|
| 510 | return FALSE; |
---|
| 511 | } |
---|
| 512 | |
---|
| 513 | /* Make sure display ID works */ |
---|
| 514 | error = NULL; |
---|
| 515 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 516 | "GetId", |
---|
| 517 | &error, |
---|
| 518 | G_TYPE_INVALID, |
---|
| 519 | DBUS_TYPE_G_OBJECT_PATH, &id, |
---|
| 520 | G_TYPE_INVALID); |
---|
| 521 | if (! res) { |
---|
| 522 | if (error != NULL) { |
---|
| 523 | g_warning ("Failed to get display id %s: %s", slave->priv->display_id, error->message); |
---|
| 524 | g_error_free (error); |
---|
| 525 | } else { |
---|
| 526 | g_warning ("Failed to get display id %s", slave->priv->display_id); |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | return FALSE; |
---|
| 530 | } |
---|
| 531 | |
---|
| 532 | g_debug ("GdmSlave: Got display id: %s", id); |
---|
| 533 | |
---|
| 534 | if (strcmp (id, slave->priv->display_id) != 0) { |
---|
| 535 | g_critical ("Display ID doesn't match"); |
---|
| 536 | exit (1); |
---|
| 537 | } |
---|
| 538 | |
---|
| 539 | gdm_slave_set_slave_bus_name (slave); |
---|
| 540 | |
---|
| 541 | /* cache some values up front */ |
---|
| 542 | error = NULL; |
---|
| 543 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 544 | "IsLocal", |
---|
| 545 | &error, |
---|
| 546 | G_TYPE_INVALID, |
---|
| 547 | G_TYPE_BOOLEAN, &slave->priv->display_is_local, |
---|
| 548 | G_TYPE_INVALID); |
---|
| 549 | if (! res) { |
---|
| 550 | if (error != NULL) { |
---|
| 551 | g_warning ("Failed to get value: %s", error->message); |
---|
| 552 | g_error_free (error); |
---|
| 553 | } else { |
---|
| 554 | g_warning ("Failed to get value"); |
---|
| 555 | } |
---|
| 556 | |
---|
| 557 | return FALSE; |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | error = NULL; |
---|
| 561 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 562 | "GetX11DisplayName", |
---|
| 563 | &error, |
---|
| 564 | G_TYPE_INVALID, |
---|
| 565 | G_TYPE_STRING, &slave->priv->display_name, |
---|
| 566 | G_TYPE_INVALID); |
---|
| 567 | if (! res) { |
---|
| 568 | if (error != NULL) { |
---|
| 569 | g_warning ("Failed to get value: %s", error->message); |
---|
| 570 | g_error_free (error); |
---|
| 571 | } else { |
---|
| 572 | g_warning ("Failed to get value"); |
---|
| 573 | } |
---|
| 574 | |
---|
| 575 | return FALSE; |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | error = NULL; |
---|
| 579 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 580 | "GetX11DisplayNumber", |
---|
| 581 | &error, |
---|
| 582 | G_TYPE_INVALID, |
---|
| 583 | G_TYPE_INT, &slave->priv->display_number, |
---|
| 584 | G_TYPE_INVALID); |
---|
| 585 | if (! res) { |
---|
| 586 | if (error != NULL) { |
---|
| 587 | g_warning ("Failed to get value: %s", error->message); |
---|
| 588 | g_error_free (error); |
---|
| 589 | } else { |
---|
| 590 | g_warning ("Failed to get value"); |
---|
| 591 | } |
---|
| 592 | |
---|
| 593 | return FALSE; |
---|
| 594 | } |
---|
| 595 | |
---|
| 596 | error = NULL; |
---|
| 597 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 598 | "GetRemoteHostname", |
---|
| 599 | &error, |
---|
| 600 | G_TYPE_INVALID, |
---|
| 601 | G_TYPE_STRING, &slave->priv->display_hostname, |
---|
| 602 | G_TYPE_INVALID); |
---|
| 603 | if (! res) { |
---|
| 604 | if (error != NULL) { |
---|
| 605 | g_warning ("Failed to get value: %s", error->message); |
---|
| 606 | g_error_free (error); |
---|
| 607 | } else { |
---|
| 608 | g_warning ("Failed to get value"); |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | return FALSE; |
---|
| 612 | } |
---|
| 613 | |
---|
| 614 | error = NULL; |
---|
| 615 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 616 | "GetX11Cookie", |
---|
| 617 | &error, |
---|
| 618 | G_TYPE_INVALID, |
---|
| 619 | dbus_g_type_get_collection ("GArray", G_TYPE_CHAR), |
---|
| 620 | &slave->priv->display_x11_cookie, |
---|
| 621 | G_TYPE_INVALID); |
---|
| 622 | if (! res) { |
---|
| 623 | if (error != NULL) { |
---|
| 624 | g_warning ("Failed to get value: %s", error->message); |
---|
| 625 | g_error_free (error); |
---|
| 626 | } else { |
---|
| 627 | g_warning ("Failed to get value"); |
---|
| 628 | } |
---|
| 629 | |
---|
| 630 | return FALSE; |
---|
| 631 | } |
---|
| 632 | |
---|
| 633 | error = NULL; |
---|
| 634 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 635 | "GetX11AuthorityFile", |
---|
| 636 | &error, |
---|
| 637 | G_TYPE_INVALID, |
---|
| 638 | G_TYPE_STRING, &slave->priv->display_x11_authority_file, |
---|
| 639 | G_TYPE_INVALID); |
---|
| 640 | if (! res) { |
---|
| 641 | if (error != NULL) { |
---|
| 642 | g_warning ("Failed to get value: %s", error->message); |
---|
| 643 | g_error_free (error); |
---|
| 644 | } else { |
---|
| 645 | g_warning ("Failed to get value"); |
---|
| 646 | } |
---|
| 647 | |
---|
| 648 | return FALSE; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | error = NULL; |
---|
| 652 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 653 | "GetSeatId", |
---|
| 654 | &error, |
---|
| 655 | G_TYPE_INVALID, |
---|
| 656 | G_TYPE_STRING, &slave->priv->display_seat_id, |
---|
| 657 | G_TYPE_INVALID); |
---|
| 658 | if (! res) { |
---|
| 659 | if (error != NULL) { |
---|
| 660 | g_warning ("Failed to get value: %s", error->message); |
---|
| 661 | g_error_free (error); |
---|
| 662 | } else { |
---|
| 663 | g_warning ("Failed to get value"); |
---|
| 664 | } |
---|
| 665 | |
---|
| 666 | return FALSE; |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | return TRUE; |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | static gboolean |
---|
| 673 | gdm_slave_real_stop (GdmSlave *slave) |
---|
| 674 | { |
---|
| 675 | g_debug ("GdmSlave: Stopping slave"); |
---|
| 676 | |
---|
| 677 | if (slave->priv->display_proxy != NULL) { |
---|
| 678 | g_object_unref (slave->priv->display_proxy); |
---|
| 679 | } |
---|
| 680 | |
---|
| 681 | return TRUE; |
---|
| 682 | } |
---|
| 683 | |
---|
| 684 | gboolean |
---|
| 685 | gdm_slave_start (GdmSlave *slave) |
---|
| 686 | { |
---|
| 687 | gboolean ret; |
---|
| 688 | |
---|
| 689 | g_return_val_if_fail (GDM_IS_SLAVE (slave), FALSE); |
---|
| 690 | |
---|
| 691 | g_debug ("GdmSlave: starting slave"); |
---|
| 692 | |
---|
| 693 | g_object_ref (slave); |
---|
| 694 | ret = GDM_SLAVE_GET_CLASS (slave)->start (slave); |
---|
| 695 | g_object_unref (slave); |
---|
| 696 | |
---|
| 697 | return ret; |
---|
| 698 | } |
---|
| 699 | |
---|
| 700 | gboolean |
---|
| 701 | gdm_slave_stop (GdmSlave *slave) |
---|
| 702 | { |
---|
| 703 | gboolean ret; |
---|
| 704 | |
---|
| 705 | g_return_val_if_fail (GDM_IS_SLAVE (slave), FALSE); |
---|
| 706 | |
---|
| 707 | g_debug ("GdmSlave: stopping slave"); |
---|
| 708 | |
---|
| 709 | g_object_ref (slave); |
---|
| 710 | ret = GDM_SLAVE_GET_CLASS (slave)->stop (slave); |
---|
| 711 | g_object_unref (slave); |
---|
| 712 | |
---|
| 713 | return ret; |
---|
| 714 | } |
---|
| 715 | |
---|
| 716 | void |
---|
| 717 | gdm_slave_stopped (GdmSlave *slave) |
---|
| 718 | { |
---|
| 719 | g_return_if_fail (GDM_IS_SLAVE (slave)); |
---|
| 720 | |
---|
| 721 | g_signal_emit (slave, signals [STOPPED], 0); |
---|
| 722 | } |
---|
| 723 | |
---|
| 724 | gboolean |
---|
| 725 | gdm_slave_add_user_authorization (GdmSlave *slave, |
---|
| 726 | const char *username, |
---|
| 727 | char **filenamep) |
---|
| 728 | { |
---|
| 729 | gboolean res; |
---|
| 730 | GError *error; |
---|
| 731 | char *filename; |
---|
| 732 | |
---|
| 733 | filename = NULL; |
---|
| 734 | |
---|
| 735 | if (filenamep != NULL) { |
---|
| 736 | *filenamep = NULL; |
---|
| 737 | } |
---|
| 738 | |
---|
| 739 | g_debug ("GdmSlave: Requesting user authorization"); |
---|
| 740 | |
---|
| 741 | error = NULL; |
---|
| 742 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 743 | "AddUserAuthorization", |
---|
| 744 | &error, |
---|
| 745 | G_TYPE_STRING, username, |
---|
| 746 | G_TYPE_INVALID, |
---|
| 747 | G_TYPE_STRING, &filename, |
---|
| 748 | G_TYPE_INVALID); |
---|
| 749 | |
---|
| 750 | if (! res) { |
---|
| 751 | if (error != NULL) { |
---|
| 752 | g_warning ("Failed to add user authorization: %s", error->message); |
---|
| 753 | g_error_free (error); |
---|
| 754 | } else { |
---|
| 755 | g_warning ("Failed to add user authorization"); |
---|
| 756 | } |
---|
| 757 | } else { |
---|
| 758 | g_debug ("GdmSlave: Got user authorization: %s", filename); |
---|
| 759 | } |
---|
| 760 | |
---|
| 761 | if (filenamep != NULL) { |
---|
| 762 | *filenamep = g_strdup (filename); |
---|
| 763 | } |
---|
| 764 | g_free (filename); |
---|
| 765 | |
---|
| 766 | return res; |
---|
| 767 | } |
---|
| 768 | |
---|
| 769 | static gchar * |
---|
| 770 | gdm_slave_parse_enriched_login (GdmSlave *slave, |
---|
| 771 | char *username, |
---|
| 772 | char *display_name) |
---|
| 773 | { |
---|
| 774 | char in_buffer[20]; |
---|
| 775 | char **argv = NULL; |
---|
| 776 | gint pipe1[2], in_buffer_len; |
---|
| 777 | int username_length; |
---|
| 778 | pid_t pid; |
---|
| 779 | |
---|
| 780 | if (username == NULL) |
---|
| 781 | return (NULL); |
---|
| 782 | |
---|
| 783 | /* A script may be used to generate the automatic/timed login name |
---|
| 784 | based on the display/host by ending the name with the pipe symbol |
---|
| 785 | '|'. */ |
---|
| 786 | |
---|
| 787 | username_length = strlen (username); |
---|
| 788 | if (username_length > 0 && username[username_length-1] == '|') { |
---|
| 789 | GPtrArray *env; |
---|
| 790 | GError *error; |
---|
| 791 | gboolean res; |
---|
| 792 | char **argv; |
---|
| 793 | char *std_output; |
---|
| 794 | char *std_error; |
---|
| 795 | |
---|
| 796 | /* Remove the pipe symbol */ |
---|
| 797 | username[username_length-1] = '\0'; |
---|
| 798 | |
---|
| 799 | argv = NULL; |
---|
| 800 | error = NULL; |
---|
| 801 | if (! g_shell_parse_argv (username, NULL, &argv, &error)) { |
---|
| 802 | g_warning ("Could not parse command: %s", error->message); |
---|
| 803 | return (NULL); |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | g_debug ("Calling script %s to acquire auto/timed username", |
---|
| 807 | username); |
---|
| 808 | |
---|
| 809 | env = get_script_environment (slave, NULL); |
---|
| 810 | error = NULL; |
---|
| 811 | res = g_spawn_sync (NULL, |
---|
| 812 | argv, |
---|
| 813 | (char **)env->pdata, |
---|
| 814 | G_SPAWN_SEARCH_PATH, |
---|
| 815 | NULL, |
---|
| 816 | NULL, |
---|
| 817 | &std_output, |
---|
| 818 | &std_error, |
---|
| 819 | NULL, |
---|
| 820 | &error); |
---|
| 821 | |
---|
| 822 | g_ptr_array_foreach (env, (GFunc)g_free, NULL); |
---|
| 823 | g_ptr_array_free (env, TRUE); |
---|
| 824 | g_strfreev (argv); |
---|
| 825 | |
---|
| 826 | if (! res) { |
---|
| 827 | g_warning ("Unable to launch auto/timed login script: %s", error->message); |
---|
| 828 | g_error_free (error); |
---|
| 829 | } else { |
---|
| 830 | if (std_output != NULL) { |
---|
| 831 | g_strchomp (std_output); |
---|
| 832 | if (std_output[0] != '\0') { |
---|
| 833 | return (g_strdup (std_output)); |
---|
| 834 | } |
---|
| 835 | } |
---|
| 836 | return NULL; |
---|
| 837 | } |
---|
| 838 | } else { |
---|
| 839 | return (g_strdup (username)); |
---|
| 840 | } |
---|
| 841 | |
---|
| 842 | return NULL; |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | gboolean |
---|
| 846 | gdm_slave_get_timed_login_details (GdmSlave *slave, |
---|
| 847 | gboolean *enabledp, |
---|
| 848 | char **usernamep, |
---|
| 849 | int *delayp) |
---|
| 850 | { |
---|
| 851 | struct passwd *pwent; |
---|
| 852 | GError *error; |
---|
| 853 | gboolean res; |
---|
| 854 | gboolean enabled; |
---|
| 855 | char *username; |
---|
| 856 | int delay; |
---|
| 857 | |
---|
| 858 | username = NULL; |
---|
| 859 | enabled = FALSE; |
---|
| 860 | delay = 0; |
---|
| 861 | |
---|
| 862 | g_debug ("GdmSlave: Requesting timed login details"); |
---|
| 863 | |
---|
| 864 | error = NULL; |
---|
| 865 | res = dbus_g_proxy_call (slave->priv->display_proxy, |
---|
| 866 | "GetTimedLoginDetails", |
---|
| 867 | &error, |
---|
| 868 | G_TYPE_INVALID, |
---|
| 869 | G_TYPE_BOOLEAN, &enabled, |
---|
| 870 | G_TYPE_STRING, &username, |
---|
| 871 | G_TYPE_INT, &delay, |
---|
| 872 | G_TYPE_INVALID); |
---|
| 873 | |
---|
| 874 | if (! res) { |
---|
| 875 | if (error != NULL) { |
---|
| 876 | g_warning ("Failed to get timed login details: %s", error->message); |
---|
| 877 | g_error_free (error); |
---|
| 878 | } else { |
---|
| 879 | g_warning ("Failed to get timed login details"); |
---|
| 880 | } |
---|
| 881 | } else { |
---|
| 882 | g_debug ("GdmSlave: Got timed login details: %d %s %d", enabled, username, delay); |
---|
| 883 | } |
---|
| 884 | |
---|
| 885 | if (usernamep != NULL) { |
---|
| 886 | *usernamep = gdm_slave_parse_enriched_login (slave, |
---|
| 887 | username, slave->priv->display_name); |
---|
| 888 | } else { |
---|
| 889 | g_free (username); |
---|
| 890 | |
---|
| 891 | if (enabledp != NULL) { |
---|
| 892 | *enabledp = enabled; |
---|
| 893 | } |
---|
| 894 | if (delayp != NULL) { |
---|
| 895 | *delayp = delay; |
---|
| 896 | } |
---|
| 897 | return TRUE; |
---|
| 898 | } |
---|
| 899 | g_free (username); |
---|
| 900 | |
---|
| 901 | if (usernamep != NULL && *usernamep != NULL) { |
---|
| 902 | pwent = getpwnam (*usernamep); |
---|
| 903 | if (pwent == NULL) { |
---|
| 904 | g_debug ("Invalid username %s for auto/timed login", |
---|
| 905 | *usernamep); |
---|
| 906 | g_free (*usernamep); |
---|
| 907 | *usernamep = NULL; |
---|
| 908 | } else { |
---|
| 909 | g_debug ("Using username %s for auto/timed login", |
---|
| 910 | *usernamep); |
---|
| 911 | |
---|
| 912 | if (enabledp != NULL) { |
---|
| 913 | *enabledp = enabled; |
---|
| 914 | } |
---|
| 915 | if (delayp != NULL) { |
---|
| 916 | *delayp = delay; |
---|
| 917 | } |
---|
| 918 | } |
---|
| 919 | } else { |
---|
| 920 | g_debug ("Invalid NULL username for auto/timed login"); |
---|
| 921 | } |
---|
| 922 | |
---|
| 923 | return res; |
---|
| 924 | } |
---|
| 925 | |
---|
| 926 | static gboolean |
---|
| 927 | _get_uid_and_gid_for_user (const char *username, |
---|
| 928 | uid_t *uid, |
---|
| 929 | gid_t *gid) |
---|
| 930 | { |
---|
| 931 | struct passwd *passwd_entry; |
---|
| 932 | |
---|
| 933 | g_assert (username != NULL); |
---|
| 934 | |
---|
| 935 | errno = 0; |
---|
| 936 | passwd_entry = getpwnam (username); |
---|
| 937 | |
---|
| 938 | if (passwd_entry == NULL) { |
---|
| 939 | return FALSE; |
---|
| 940 | } |
---|
| 941 | |
---|
| 942 | if (uid != NULL) { |
---|
| 943 | *uid = passwd_entry->pw_uid; |
---|
| 944 | } |
---|
| 945 | |
---|
| 946 | if (gid != NULL) { |
---|
| 947 | *gid = passwd_entry->pw_gid; |
---|
| 948 | } |
---|
| 949 | |
---|
| 950 | return TRUE; |
---|
| 951 | } |
---|
| 952 | |
---|
| 953 | static gboolean |
---|
| 954 | x11_session_is_on_seat (GdmSlave *slave, |
---|
| 955 | const char *session_id, |
---|
| 956 | const char *seat_id) |
---|
| 957 | { |
---|
| 958 | DBusGProxy *proxy; |
---|
| 959 | GError *error; |
---|
| 960 | char *sid; |
---|
| 961 | gboolean res; |
---|
| 962 | gboolean ret; |
---|
| 963 | char *x11_display_device; |
---|
| 964 | char *x11_display; |
---|
| 965 | |
---|
| 966 | ret = FALSE; |
---|
| 967 | |
---|
| 968 | if (seat_id == NULL || seat_id[0] == '\0' || session_id == NULL || session_id[0] == '\0') { |
---|
| 969 | return FALSE; |
---|
| 970 | } |
---|
| 971 | |
---|
| 972 | proxy = dbus_g_proxy_new_for_name (slave->priv->connection, |
---|
| 973 | CK_NAME, |
---|
| 974 | session_id, |
---|
| 975 | CK_SESSION_INTERFACE); |
---|
| 976 | if (proxy == NULL) { |
---|
| 977 | g_warning ("Failed to connect to the ConsoleKit seat object"); |
---|
| 978 | goto out; |
---|
| 979 | } |
---|
| 980 | |
---|
| 981 | sid = NULL; |
---|
| 982 | error = NULL; |
---|
| 983 | res = dbus_g_proxy_call (proxy, |
---|
| 984 | "GetSeatId", |
---|
| 985 | &error, |
---|
| 986 | G_TYPE_INVALID, |
---|
| 987 | DBUS_TYPE_G_OBJECT_PATH, &sid, |
---|
| 988 | G_TYPE_INVALID); |
---|
| 989 | if (! res) { |
---|
| 990 | g_debug ("Failed to identify the current seat: %s", error->message); |
---|
| 991 | g_error_free (error); |
---|
| 992 | goto out; |
---|
| 993 | } |
---|
| 994 | |
---|
| 995 | if (sid == NULL || sid[0] == '\0' || strcmp (sid, seat_id) != 0) { |
---|
| 996 | g_debug ("GdmSlave: session not on current seat: %s", seat_id); |
---|
| 997 | goto out; |
---|
| 998 | } |
---|
| 999 | |
---|
| 1000 | x11_display = NULL; |
---|
| 1001 | error = NULL; |
---|
| 1002 | res = dbus_g_proxy_call (proxy, |
---|
| 1003 | "GetX11Display", |
---|
| 1004 | &error, |
---|
| 1005 | G_TYPE_INVALID, |
---|
| 1006 | G_TYPE_STRING, &x11_display, |
---|
| 1007 | G_TYPE_INVALID); |
---|
| 1008 | if (! res) { |
---|
| 1009 | g_error_free (error); |
---|
| 1010 | goto out; |
---|
| 1011 | } |
---|
| 1012 | |
---|
| 1013 | /* don't try to switch to our own session */ |
---|
| 1014 | if (x11_display == NULL || x11_display[0] == '\0' |
---|
| 1015 | || strcmp (slave->priv->display_name, x11_display) == 0) { |
---|
| 1016 | g_free (x11_display); |
---|
| 1017 | goto out; |
---|
| 1018 | } |
---|
| 1019 | g_free (x11_display); |
---|
| 1020 | |
---|
| 1021 | x11_display_device = NULL; |
---|
| 1022 | error = NULL; |
---|
| 1023 | res = dbus_g_proxy_call (proxy, |
---|
| 1024 | "GetX11DisplayDevice", |
---|
| 1025 | &error, |
---|
| 1026 | G_TYPE_INVALID, |
---|
| 1027 | G_TYPE_STRING, &x11_display_device, |
---|
| 1028 | G_TYPE_INVALID); |
---|
| 1029 | if (! res) { |
---|
| 1030 | g_error_free (error); |
---|
| 1031 | goto out; |
---|
| 1032 | } |
---|
| 1033 | |
---|
| 1034 | if (x11_display_device == NULL || x11_display_device[0] == '\0') { |
---|
| 1035 | g_free (x11_display_device); |
---|
| 1036 | goto out; |
---|
| 1037 | } |
---|
| 1038 | g_free (x11_display_device); |
---|
| 1039 | |
---|
| 1040 | ret = TRUE; |
---|
| 1041 | |
---|
| 1042 | out: |
---|
| 1043 | if (proxy != NULL) { |
---|
| 1044 | g_object_unref (proxy); |
---|
| 1045 | } |
---|
| 1046 | |
---|
| 1047 | return ret; |
---|
| 1048 | } |
---|
| 1049 | |
---|
| 1050 | char * |
---|
| 1051 | gdm_slave_get_primary_session_id_for_user (GdmSlave *slave, |
---|
| 1052 | const char *username) |
---|
| 1053 | { |
---|
| 1054 | gboolean res; |
---|
| 1055 | gboolean can_activate_sessions; |
---|
| 1056 | GError *error; |
---|
| 1057 | DBusGProxy *manager_proxy; |
---|
| 1058 | DBusGProxy *seat_proxy; |
---|
| 1059 | GPtrArray *sessions; |
---|
| 1060 | char *primary_ssid; |
---|
| 1061 | int i; |
---|
| 1062 | uid_t uid; |
---|
| 1063 | |
---|
| 1064 | if (slave->priv->display_seat_id == NULL || slave->priv->display_seat_id[0] == '\0') { |
---|
| 1065 | g_debug ("GdmSlave: display seat id is not set; can't switch sessions"); |
---|
| 1066 | return NULL; |
---|
| 1067 | } |
---|
| 1068 | |
---|
| 1069 | manager_proxy = NULL; |
---|
| 1070 | primary_ssid = NULL; |
---|
| 1071 | sessions = NULL; |
---|
| 1072 | |
---|
| 1073 | g_debug ("GdmSlave: getting proxy for seat: %s", slave->priv->display_seat_id); |
---|
| 1074 | |
---|
| 1075 | seat_proxy = dbus_g_proxy_new_for_name (slave->priv->connection, |
---|
| 1076 | CK_NAME, |
---|
| 1077 | slave->priv->display_seat_id, |
---|
| 1078 | CK_SEAT_INTERFACE); |
---|
| 1079 | |
---|
| 1080 | g_debug ("GdmSlave: checking if seat can activate sessions"); |
---|
| 1081 | |
---|
| 1082 | error = NULL; |
---|
| 1083 | res = dbus_g_proxy_call (seat_proxy, |
---|
| 1084 | "CanActivateSessions", |
---|
| 1085 | &error, |
---|
| 1086 | G_TYPE_INVALID, |
---|
| 1087 | G_TYPE_BOOLEAN, &can_activate_sessions, |
---|
| 1088 | G_TYPE_INVALID); |
---|
| 1089 | if (! res) { |
---|
| 1090 | g_warning ("unable to determine if seat can activate sessions: %s", |
---|
| 1091 | error->message); |
---|
| 1092 | g_error_free (error); |
---|
| 1093 | goto out; |
---|
| 1094 | } |
---|
| 1095 | |
---|
| 1096 | if (! can_activate_sessions) { |
---|
| 1097 | g_debug ("GdmSlave: seat is unable to activate sessions"); |
---|
| 1098 | goto out; |
---|
| 1099 | } |
---|
| 1100 | |
---|
| 1101 | manager_proxy = dbus_g_proxy_new_for_name (slave->priv->connection, |
---|
| 1102 | CK_NAME, |
---|
| 1103 | CK_MANAGER_PATH, |
---|
| 1104 | CK_MANAGER_INTERFACE); |
---|
| 1105 | |
---|
| 1106 | if (! _get_uid_and_gid_for_user (username, &uid, NULL)) { |
---|
| 1107 | g_debug ("GdmSlave: unable to determine uid for user: %s", username); |
---|
| 1108 | goto out; |
---|
| 1109 | } |
---|
| 1110 | |
---|
| 1111 | error = NULL; |
---|
| 1112 | res = dbus_g_proxy_call (manager_proxy, |
---|
| 1113 | "GetSessionsForUnixUser", |
---|
| 1114 | &error, |
---|
| 1115 | G_TYPE_UINT, uid, |
---|
| 1116 | G_TYPE_INVALID, |
---|
| 1117 | dbus_g_type_get_collection ("GPtrArray", DBUS_TYPE_G_OBJECT_PATH), &sessions, |
---|
| 1118 | G_TYPE_INVALID); |
---|
| 1119 | if (! res) { |
---|
| 1120 | g_warning ("unable to determine sessions for user: %s", |
---|
| 1121 | error->message); |
---|
| 1122 | g_error_free (error); |
---|
| 1123 | goto out; |
---|
| 1124 | } |
---|
| 1125 | |
---|
| 1126 | for (i = 0; i < sessions->len; i++) { |
---|
| 1127 | char *ssid; |
---|
| 1128 | |
---|
| 1129 | ssid = g_ptr_array_index (sessions, i); |
---|
| 1130 | |
---|
| 1131 | if (x11_session_is_on_seat (slave, ssid, slave->priv->display_seat_id)) { |
---|
| 1132 | primary_ssid = g_strdup (ssid); |
---|
| 1133 | break; |
---|
| 1134 | } |
---|
| 1135 | } |
---|
| 1136 | |
---|
| 1137 | g_ptr_array_foreach (sessions, (GFunc)g_free, NULL); |
---|
| 1138 | g_ptr_array_free (sessions, TRUE); |
---|
| 1139 | |
---|
| 1140 | out: |
---|
| 1141 | |
---|
| 1142 | if (seat_proxy != NULL) { |
---|
| 1143 | g_object_unref (seat_proxy); |
---|
| 1144 | } |
---|
| 1145 | if (manager_proxy != NULL) { |
---|
| 1146 | g_object_unref (manager_proxy); |
---|
| 1147 | } |
---|
| 1148 | |
---|
| 1149 | return primary_ssid; |
---|
| 1150 | } |
---|
| 1151 | |
---|
| 1152 | static gboolean |
---|
| 1153 | activate_session_id (GdmSlave *slave, |
---|
| 1154 | const char *seat_id, |
---|
| 1155 | const char *session_id) |
---|
| 1156 | { |
---|
| 1157 | DBusError local_error; |
---|
| 1158 | DBusMessage *message; |
---|
| 1159 | DBusMessage *reply; |
---|
| 1160 | gboolean ret; |
---|
| 1161 | |
---|
| 1162 | ret = FALSE; |
---|
| 1163 | reply = NULL; |
---|
| 1164 | |
---|
| 1165 | dbus_error_init (&local_error); |
---|
| 1166 | message = dbus_message_new_method_call ("org.freedesktop.ConsoleKit", |
---|
| 1167 | seat_id, |
---|
| 1168 | "org.freedesktop.ConsoleKit.Seat", |
---|
| 1169 | "ActivateSession"); |
---|
| 1170 | if (message == NULL) { |
---|
| 1171 | goto out; |
---|
| 1172 | } |
---|
| 1173 | |
---|
| 1174 | if (! dbus_message_append_args (message, |
---|
| 1175 | DBUS_TYPE_OBJECT_PATH, &session_id, |
---|
| 1176 | DBUS_TYPE_INVALID)) { |
---|
| 1177 | goto out; |
---|
| 1178 | } |
---|
| 1179 | |
---|
| 1180 | |
---|
| 1181 | dbus_error_init (&local_error); |
---|
| 1182 | reply = dbus_connection_send_with_reply_and_block (dbus_g_connection_get_connection (slave->priv->connection), |
---|
| 1183 | message, |
---|
| 1184 | -1, |
---|
| 1185 | &local_error); |
---|
| 1186 | if (reply == NULL) { |
---|
| 1187 | if (dbus_error_is_set (&local_error)) { |
---|
| 1188 | g_warning ("Unable to activate session: %s", local_error.message); |
---|
| 1189 | dbus_error_free (&local_error); |
---|
| 1190 | goto out; |
---|
| 1191 | } |
---|
| 1192 | } |
---|
| 1193 | |
---|
| 1194 | ret = TRUE; |
---|
| 1195 | out: |
---|
| 1196 | if (message != NULL) { |
---|
| 1197 | dbus_message_unref (message); |
---|
| 1198 | } |
---|
| 1199 | if (reply != NULL) { |
---|
| 1200 | dbus_message_unref (reply); |
---|
| 1201 | } |
---|
| 1202 | |
---|
| 1203 | return ret; |
---|
| 1204 | } |
---|
| 1205 | |
---|
| 1206 | static gboolean |
---|
| 1207 | session_unlock (GdmSlave *slave, |
---|
| 1208 | const char *ssid) |
---|
| 1209 | { |
---|
| 1210 | DBusError error; |
---|
| 1211 | DBusMessage *message; |
---|
| 1212 | DBusMessage *reply; |
---|
| 1213 | |
---|
| 1214 | g_debug ("ConsoleKit: Unlocking session %s", ssid); |
---|
| 1215 | message = dbus_message_new_method_call (CK_NAME, |
---|
| 1216 | ssid, |
---|
| 1217 | CK_SESSION_INTERFACE, |
---|
| 1218 | "Unlock"); |
---|
| 1219 | if (message == NULL) { |
---|
| 1220 | g_debug ("GdmSlave: ConsoleKit couldn't allocate the D-Bus message"); |
---|
| 1221 | return FALSE; |
---|
| 1222 | } |
---|
| 1223 | |
---|
| 1224 | dbus_error_init (&error); |
---|
| 1225 | reply = dbus_connection_send_with_reply_and_block (dbus_g_connection_get_connection (slave->priv->connection), |
---|
| 1226 | message, |
---|
| 1227 | -1, &error); |
---|
| 1228 | dbus_message_unref (message); |
---|
| 1229 | if (reply != NULL) { |
---|
| 1230 | dbus_message_unref (reply); |
---|
| 1231 | } |
---|
| 1232 | dbus_connection_flush (dbus_g_connection_get_connection (slave->priv->connection)); |
---|
| 1233 | |
---|
| 1234 | if (dbus_error_is_set (&error)) { |
---|
| 1235 | g_debug ("GdmSlave: ConsoleKit %s raised:\n %s\n\n", error.name, error.message); |
---|
| 1236 | return FALSE; |
---|
| 1237 | } |
---|
| 1238 | |
---|
| 1239 | return TRUE; |
---|
| 1240 | } |
---|
| 1241 | |
---|
| 1242 | gboolean |
---|
| 1243 | gdm_slave_switch_to_user_session (GdmSlave *slave, |
---|
| 1244 | const char *username) |
---|
| 1245 | { |
---|
| 1246 | gboolean res; |
---|
| 1247 | gboolean ret; |
---|
| 1248 | char *ssid_to_activate; |
---|
| 1249 | |
---|
| 1250 | ret = FALSE; |
---|
| 1251 | |
---|
| 1252 | ssid_to_activate = gdm_slave_get_primary_session_id_for_user (slave, username); |
---|
| 1253 | if (ssid_to_activate == NULL) { |
---|
| 1254 | g_debug ("GdmSlave: unable to determine session to activate"); |
---|
| 1255 | goto out; |
---|
| 1256 | } |
---|
| 1257 | |
---|
| 1258 | g_debug ("GdmSlave: Activating session: '%s'", ssid_to_activate); |
---|
| 1259 | |
---|
| 1260 | res = activate_session_id (slave, slave->priv->display_seat_id, ssid_to_activate); |
---|
| 1261 | if (! res) { |
---|
| 1262 | g_debug ("GdmSlave: unable to activate session: %s", ssid_to_activate); |
---|
| 1263 | goto out; |
---|
| 1264 | } |
---|
| 1265 | |
---|
| 1266 | res = session_unlock (slave, ssid_to_activate); |
---|
| 1267 | if (!res) { |
---|
| 1268 | /* this isn't fatal */ |
---|
| 1269 | g_debug ("GdmSlave: unable to unlock session: %s", ssid_to_activate); |
---|
| 1270 | } |
---|
| 1271 | |
---|
| 1272 | ret = TRUE; |
---|
| 1273 | |
---|
| 1274 | out: |
---|
| 1275 | g_free (ssid_to_activate); |
---|
| 1276 | |
---|
| 1277 | return ret; |
---|
| 1278 | } |
---|
| 1279 | |
---|
| 1280 | static void |
---|
| 1281 | _gdm_slave_set_display_id (GdmSlave *slave, |
---|
| 1282 | const char *id) |
---|
| 1283 | { |
---|
| 1284 | g_free (slave->priv->display_id); |
---|
| 1285 | slave->priv->display_id = g_strdup (id); |
---|
| 1286 | } |
---|
| 1287 | |
---|
| 1288 | static void |
---|
| 1289 | _gdm_slave_set_display_name (GdmSlave *slave, |
---|
| 1290 | const char *name) |
---|
| 1291 | { |
---|
| 1292 | g_free (slave->priv->display_name); |
---|
| 1293 | slave->priv->display_name = g_strdup (name); |
---|
| 1294 | } |
---|
| 1295 | |
---|
| 1296 | static void |
---|
| 1297 | _gdm_slave_set_display_number (GdmSlave *slave, |
---|
| 1298 | int number) |
---|
| 1299 | { |
---|
| 1300 | slave->priv->display_number = number; |
---|
| 1301 | } |
---|
| 1302 | |
---|
| 1303 | static void |
---|
| 1304 | _gdm_slave_set_display_hostname (GdmSlave *slave, |
---|
| 1305 | const char *name) |
---|
| 1306 | { |
---|
| 1307 | g_free (slave->priv->display_hostname); |
---|
| 1308 | slave->priv->display_hostname = g_strdup (name); |
---|
| 1309 | } |
---|
| 1310 | |
---|
| 1311 | static void |
---|
| 1312 | _gdm_slave_set_display_x11_authority_file (GdmSlave *slave, |
---|
| 1313 | const char *name) |
---|
| 1314 | { |
---|
| 1315 | g_free (slave->priv->display_x11_authority_file); |
---|
| 1316 | slave->priv->display_x11_authority_file = g_strdup (name); |
---|
| 1317 | } |
---|
| 1318 | |
---|
| 1319 | static void |
---|
| 1320 | _gdm_slave_set_display_seat_id (GdmSlave *slave, |
---|
| 1321 | const char *id) |
---|
| 1322 | { |
---|
| 1323 | g_free (slave->priv->display_seat_id); |
---|
| 1324 | slave->priv->display_seat_id = g_strdup (id); |
---|
| 1325 | } |
---|
| 1326 | |
---|
| 1327 | static void |
---|
| 1328 | _gdm_slave_set_display_is_local (GdmSlave *slave, |
---|
| 1329 | gboolean is) |
---|
| 1330 | { |
---|
| 1331 | slave->priv->display_is_local = is; |
---|
| 1332 | } |
---|
| 1333 | |
---|
| 1334 | static void |
---|
| 1335 | gdm_slave_set_property (GObject *object, |
---|
| 1336 | guint prop_id, |
---|
| 1337 | const GValue *value, |
---|
| 1338 | GParamSpec *pspec) |
---|
| 1339 | { |
---|
| 1340 | GdmSlave *self; |
---|
| 1341 | |
---|
| 1342 | self = GDM_SLAVE (object); |
---|
| 1343 | |
---|
| 1344 | switch (prop_id) { |
---|
| 1345 | case PROP_DISPLAY_ID: |
---|
| 1346 | _gdm_slave_set_display_id (self, g_value_get_string (value)); |
---|
| 1347 | break; |
---|
| 1348 | case PROP_DISPLAY_NAME: |
---|
| 1349 | _gdm_slave_set_display_name (self, g_value_get_string (value)); |
---|
| 1350 | break; |
---|
| 1351 | case PROP_DISPLAY_NUMBER: |
---|
| 1352 | _gdm_slave_set_display_number (self, g_value_get_int (value)); |
---|
| 1353 | break; |
---|
| 1354 | case PROP_DISPLAY_HOSTNAME: |
---|
| 1355 | _gdm_slave_set_display_hostname (self, g_value_get_string (value)); |
---|
| 1356 | break; |
---|
| 1357 | case PROP_DISPLAY_SEAT_ID: |
---|
| 1358 | _gdm_slave_set_display_seat_id (self, g_value_get_string (value)); |
---|
| 1359 | break; |
---|
| 1360 | case PROP_DISPLAY_X11_AUTHORITY_FILE: |
---|
| 1361 | _gdm_slave_set_display_x11_authority_file (self, g_value_get_string (value)); |
---|
| 1362 | break; |
---|
| 1363 | case PROP_DISPLAY_IS_LOCAL: |
---|
| 1364 | _gdm_slave_set_display_is_local (self, g_value_get_boolean (value)); |
---|
| 1365 | break; |
---|
| 1366 | default: |
---|
| 1367 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
| 1368 | break; |
---|
| 1369 | } |
---|
| 1370 | } |
---|
| 1371 | |
---|
| 1372 | static void |
---|
| 1373 | gdm_slave_get_property (GObject *object, |
---|
| 1374 | guint prop_id, |
---|
| 1375 | GValue *value, |
---|
| 1376 | GParamSpec *pspec) |
---|
| 1377 | { |
---|
| 1378 | GdmSlave *self; |
---|
| 1379 | |
---|
| 1380 | self = GDM_SLAVE (object); |
---|
| 1381 | |
---|
| 1382 | switch (prop_id) { |
---|
| 1383 | case PROP_DISPLAY_ID: |
---|
| 1384 | g_value_set_string (value, self->priv->display_id); |
---|
| 1385 | break; |
---|
| 1386 | case PROP_DISPLAY_NAME: |
---|
| 1387 | g_value_set_string (value, self->priv->display_name); |
---|
| 1388 | break; |
---|
| 1389 | case PROP_DISPLAY_NUMBER: |
---|
| 1390 | g_value_set_int (value, self->priv->display_number); |
---|
| 1391 | break; |
---|
| 1392 | case PROP_DISPLAY_HOSTNAME: |
---|
| 1393 | g_value_set_string (value, self->priv->display_hostname); |
---|
| 1394 | break; |
---|
| 1395 | case PROP_DISPLAY_SEAT_ID: |
---|
| 1396 | g_value_set_string (value, self->priv->display_seat_id); |
---|
| 1397 | break; |
---|
| 1398 | case PROP_DISPLAY_X11_AUTHORITY_FILE: |
---|
| 1399 | g_value_set_string (value, self->priv->display_x11_authority_file); |
---|
| 1400 | break; |
---|
| 1401 | case PROP_DISPLAY_IS_LOCAL: |
---|
| 1402 | g_value_set_boolean (value, self->priv->display_is_local); |
---|
| 1403 | break; |
---|
| 1404 | default: |
---|
| 1405 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
| 1406 | break; |
---|
| 1407 | } |
---|
| 1408 | } |
---|
| 1409 | |
---|
| 1410 | static gboolean |
---|
| 1411 | register_slave (GdmSlave *slave) |
---|
| 1412 | { |
---|
| 1413 | GError *error; |
---|
| 1414 | |
---|
| 1415 | error = NULL; |
---|
| 1416 | slave->priv->connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); |
---|
| 1417 | if (slave->priv->connection == NULL) { |
---|
| 1418 | if (error != NULL) { |
---|
| 1419 | g_critical ("error getting system bus: %s", error->message); |
---|
| 1420 | g_error_free (error); |
---|
| 1421 | } |
---|
| 1422 | exit (1); |
---|
| 1423 | } |
---|
| 1424 | |
---|
| 1425 | dbus_g_connection_register_g_object (slave->priv->connection, slave->priv->id, G_OBJECT (slave)); |
---|
| 1426 | |
---|
| 1427 | return TRUE; |
---|
| 1428 | } |
---|
| 1429 | |
---|
| 1430 | static GObject * |
---|
| 1431 | gdm_slave_constructor (GType type, |
---|
| 1432 | guint n_construct_properties, |
---|
| 1433 | GObjectConstructParam *construct_properties) |
---|
| 1434 | { |
---|
| 1435 | GdmSlave *slave; |
---|
| 1436 | gboolean res; |
---|
| 1437 | const char *id; |
---|
| 1438 | |
---|
| 1439 | slave = GDM_SLAVE (G_OBJECT_CLASS (gdm_slave_parent_class)->constructor (type, |
---|
| 1440 | n_construct_properties, |
---|
| 1441 | construct_properties)); |
---|
| 1442 | /* Always match the slave id with the master */ |
---|
| 1443 | |
---|
| 1444 | id = NULL; |
---|
| 1445 | if (g_str_has_prefix (slave->priv->display_id, "/org/gnome/DisplayManager/Display")) { |
---|
| 1446 | id = slave->priv->display_id + strlen ("/org/gnome/DisplayManager/Display"); |
---|
| 1447 | } |
---|
| 1448 | |
---|
| 1449 | g_assert (id != NULL); |
---|
| 1450 | |
---|
| 1451 | slave->priv->id = g_strdup_printf ("/org/gnome/DisplayManager/Slave%s", id); |
---|
| 1452 | g_debug ("GdmSlave: Registering %s", slave->priv->id); |
---|
| 1453 | |
---|
| 1454 | res = register_slave (slave); |
---|
| 1455 | if (! res) { |
---|
| 1456 | g_warning ("Unable to register slave with system bus"); |
---|
| 1457 | } |
---|
| 1458 | |
---|
| 1459 | return G_OBJECT (slave); |
---|
| 1460 | } |
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| 1461 | |
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| 1462 | static void |
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| 1463 | gdm_slave_class_init (GdmSlaveClass *klass) |
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| 1464 | { |
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| 1465 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
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| 1466 | |
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| 1467 | object_class->get_property = gdm_slave_get_property; |
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| 1468 | object_class->set_property = gdm_slave_set_property; |
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| 1469 | object_class->constructor = gdm_slave_constructor; |
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| 1470 | object_class->finalize = gdm_slave_finalize; |
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| 1471 | |
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| 1472 | klass->start = gdm_slave_real_start; |
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| 1473 | klass->stop = gdm_slave_real_stop; |
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| 1474 | |
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| 1475 | g_type_class_add_private (klass, sizeof (GdmSlavePrivate)); |
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| 1476 | |
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| 1477 | g_object_class_install_property (object_class, |
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| 1478 | PROP_DISPLAY_ID, |
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| 1479 | g_param_spec_string ("display-id", |
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| 1480 | "id", |
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| 1481 | "id", |
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| 1482 | NULL, |
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| 1483 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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| 1484 | g_object_class_install_property (object_class, |
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| 1485 | PROP_DISPLAY_NAME, |
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| 1486 | g_param_spec_string ("display-name", |
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| 1487 | "display name", |
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| 1488 | "display name", |
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| 1489 | NULL, |
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| 1490 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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| 1491 | g_object_class_install_property (object_class, |
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| 1492 | PROP_DISPLAY_NUMBER, |
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| 1493 | g_param_spec_int ("display-number", |
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| 1494 | "display number", |
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| 1495 | "display number", |
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| 1496 | -1, |
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| 1497 | G_MAXINT, |
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| 1498 | -1, |
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| 1499 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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| 1500 | g_object_class_install_property (object_class, |
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| 1501 | PROP_DISPLAY_HOSTNAME, |
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| 1502 | g_param_spec_string ("display-hostname", |
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| 1503 | "display hostname", |
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| 1504 | "display hostname", |
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| 1505 | NULL, |
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| 1506 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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| 1507 | g_object_class_install_property (object_class, |
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| 1508 | PROP_DISPLAY_SEAT_ID, |
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| 1509 | g_param_spec_string ("display-seat-id", |
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| 1510 | "", |
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| 1511 | "", |
---|
| 1512 | NULL, |
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| 1513 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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| 1514 | g_object_class_install_property (object_class, |
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| 1515 | PROP_DISPLAY_X11_AUTHORITY_FILE, |
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| 1516 | g_param_spec_string ("display-x11-authority-file", |
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| 1517 | "", |
---|
| 1518 | "", |
---|
| 1519 | NULL, |
---|
| 1520 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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| 1521 | g_object_class_install_property (object_class, |
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| 1522 | PROP_DISPLAY_IS_LOCAL, |
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| 1523 | g_param_spec_boolean ("display-is-local", |
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| 1524 | "display is local", |
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| 1525 | "display is local", |
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| 1526 | TRUE, |
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| 1527 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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| 1528 | |
---|
| 1529 | signals [STOPPED] = |
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| 1530 | g_signal_new ("stopped", |
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| 1531 | G_TYPE_FROM_CLASS (object_class), |
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| 1532 | G_SIGNAL_RUN_LAST, |
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| 1533 | G_STRUCT_OFFSET (GdmSlaveClass, stopped), |
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| 1534 | NULL, |
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| 1535 | NULL, |
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| 1536 | g_cclosure_marshal_VOID__VOID, |
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| 1537 | G_TYPE_NONE, |
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| 1538 | 0); |
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| 1539 | |
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| 1540 | dbus_g_object_type_install_info (GDM_TYPE_SLAVE, &dbus_glib_gdm_slave_object_info); |
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| 1541 | } |
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| 1542 | |
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| 1543 | static void |
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| 1544 | gdm_slave_init (GdmSlave *slave) |
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| 1545 | { |
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| 1546 | |
---|
| 1547 | slave->priv = GDM_SLAVE_GET_PRIVATE (slave); |
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| 1548 | |
---|
| 1549 | slave->priv->pid = -1; |
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| 1550 | } |
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| 1551 | |
---|
| 1552 | static void |
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| 1553 | gdm_slave_finalize (GObject *object) |
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| 1554 | { |
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| 1555 | GdmSlave *slave; |
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| 1556 | |
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| 1557 | g_return_if_fail (object != NULL); |
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| 1558 | g_return_if_fail (GDM_IS_SLAVE (object)); |
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| 1559 | |
---|
| 1560 | slave = GDM_SLAVE (object); |
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| 1561 | |
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| 1562 | g_return_if_fail (slave->priv != NULL); |
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| 1563 | |
---|
| 1564 | gdm_slave_real_stop (slave); |
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| 1565 | |
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| 1566 | g_free (slave->priv->id); |
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| 1567 | g_free (slave->priv->display_id); |
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| 1568 | g_free (slave->priv->display_name); |
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| 1569 | g_free (slave->priv->display_hostname); |
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| 1570 | g_free (slave->priv->display_seat_id); |
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| 1571 | g_free (slave->priv->display_x11_authority_file); |
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| 1572 | g_free (slave->priv->parent_display_name); |
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| 1573 | g_free (slave->priv->parent_display_x11_authority_file); |
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| 1574 | g_array_free (slave->priv->display_x11_cookie, TRUE); |
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| 1575 | |
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| 1576 | G_OBJECT_CLASS (gdm_slave_parent_class)->finalize (object); |
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| 1577 | } |
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