[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) 2008 William Jon McCann <jmccann@redhat.com> |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | * |
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| 19 | */ |
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| 20 | |
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| 21 | #include "config.h" |
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| 22 | |
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| 23 | #include <stdlib.h> |
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| 24 | #include <stdio.h> |
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| 25 | #include <unistd.h> |
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| 26 | #include <string.h> |
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| 27 | #include <locale.h> |
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| 28 | |
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| 29 | #include <glib/gi18n.h> |
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| 30 | #include <gtk/gtk.h> |
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| 31 | |
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| 32 | #define DBUS_API_SUBJECT_TO_CHANGE |
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| 33 | #include <dbus/dbus-glib.h> |
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| 34 | #include <dbus/dbus-glib-lowlevel.h> |
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| 35 | |
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| 36 | #define GDM_DBUS_NAME "org.gnome.DisplayManager" |
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| 37 | #define GDM_DBUS_LOCAL_DISPLAY_FACTORY_PATH "/org/gnome/DisplayManager/LocalDisplayFactory" |
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| 38 | #define GDM_DBUS_LOCAL_DISPLAY_FACTORY_INTERFACE "org.gnome.DisplayManager.LocalDisplayFactory" |
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| 39 | |
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| 40 | #define CK_NAME "org.freedesktop.ConsoleKit" |
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| 41 | #define CK_PATH "/org/freedesktop/ConsoleKit" |
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| 42 | #define CK_INTERFACE "org.freedesktop.ConsoleKit" |
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| 43 | |
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| 44 | #define CK_MANAGER_PATH "/org/freedesktop/ConsoleKit/Manager" |
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| 45 | #define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager" |
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| 46 | #define CK_SEAT_INTERFACE "org.freedesktop.ConsoleKit.Seat" |
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| 47 | #define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session" |
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| 48 | |
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| 49 | static const char *send_command = NULL; |
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| 50 | static gboolean use_xnest = FALSE; |
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| 51 | static gboolean no_lock = FALSE; |
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| 52 | static gboolean debug_in = FALSE; |
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| 53 | static gboolean authenticate = FALSE; |
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| 54 | static gboolean startnew = FALSE; |
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| 55 | static gboolean monte_carlo_pi = FALSE; |
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| 56 | static gboolean show_version = FALSE; |
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| 57 | static char **args_remaining = NULL; |
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| 58 | |
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| 59 | /* Keep all config options for compatibility even if they are noops */ |
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| 60 | GOptionEntry options [] = { |
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| 61 | { "command", 'c', 0, G_OPTION_ARG_STRING, &send_command, N_("Ignored - retained for compatibility"), N_("COMMAND") }, |
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| 62 | { "xnest", 'n', 0, G_OPTION_ARG_NONE, &use_xnest, N_("Ignored - retained for compatibility"), NULL }, |
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| 63 | { "no-lock", 'l', 0, G_OPTION_ARG_NONE, &no_lock, N_("Ignored - retained for compatibility"), NULL }, |
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| 64 | { "debug", 'd', 0, G_OPTION_ARG_NONE, &debug_in, N_("Debugging output"), NULL }, |
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| 65 | { "authenticate", 'a', 0, G_OPTION_ARG_NONE, &authenticate, N_("Ignored - retained for compatibility"), NULL }, |
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| 66 | { "startnew", 's', 0, G_OPTION_ARG_NONE, &startnew, N_("Ignored - retained for compatibility"), NULL }, |
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| 67 | { "monte-carlo-pi", 0, 0, G_OPTION_ARG_NONE, &monte_carlo_pi, NULL, NULL }, |
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| 68 | { "version", 0, 0, G_OPTION_ARG_NONE, &show_version, N_("Version of this application"), NULL }, |
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| 69 | { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_STRING_ARRAY, &args_remaining, NULL, NULL }, |
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| 70 | { NULL } |
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| 71 | }; |
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| 72 | |
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| 73 | #define GDM_FLEXISERVER_ERROR gdm_flexiserver_error_quark () |
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| 74 | static GQuark |
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| 75 | gdm_flexiserver_error_quark (void) |
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| 76 | { |
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| 77 | static GQuark ret = 0; |
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| 78 | if (ret == 0) { |
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| 79 | ret = g_quark_from_static_string ("gdm_flexiserver_error"); |
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| 80 | } |
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| 81 | |
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| 82 | return ret; |
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| 83 | } |
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| 84 | |
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| 85 | static gboolean |
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| 86 | is_program_in_path (const char *program) |
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| 87 | { |
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| 88 | char *tmp = g_find_program_in_path (program); |
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| 89 | if (tmp != NULL) { |
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| 90 | g_free (tmp); |
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| 91 | return TRUE; |
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| 92 | } else { |
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| 93 | return FALSE; |
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| 94 | } |
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| 95 | } |
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| 96 | |
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| 97 | static void |
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| 98 | maybe_lock_screen (void) |
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| 99 | { |
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| 100 | gboolean use_gscreensaver = FALSE; |
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| 101 | GError *error = NULL; |
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| 102 | char *command; |
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| 103 | GdkScreen *screen; |
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| 104 | |
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| 105 | if (is_program_in_path ("gnome-screensaver-command")) { |
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| 106 | use_gscreensaver = TRUE; |
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| 107 | } else if (! is_program_in_path ("xscreensaver-command")) { |
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| 108 | return; |
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| 109 | } |
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| 110 | |
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| 111 | if (use_gscreensaver) { |
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| 112 | command = g_strdup ("gnome-screensaver-command --lock"); |
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| 113 | } else { |
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| 114 | command = g_strdup ("xscreensaver-command -lock"); |
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| 115 | } |
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| 116 | |
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| 117 | screen = gdk_screen_get_default (); |
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| 118 | |
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| 119 | if (! gdk_spawn_command_line_on_screen (screen, command, &error)) { |
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| 120 | g_warning ("Cannot lock screen: %s", error->message); |
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| 121 | g_error_free (error); |
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| 122 | } |
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| 123 | |
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| 124 | g_free (command); |
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| 125 | |
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| 126 | if (! use_gscreensaver) { |
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| 127 | command = g_strdup ("xscreensaver-command -throttle"); |
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| 128 | if (! gdk_spawn_command_line_on_screen (screen, command, &error)) { |
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| 129 | g_warning ("Cannot disable screensaver engines: %s", error->message); |
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| 130 | g_error_free (error); |
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| 131 | } |
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| 132 | |
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| 133 | g_free (command); |
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| 134 | } |
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| 135 | } |
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| 136 | |
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| 137 | static void |
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| 138 | calc_pi (void) |
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| 139 | { |
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| 140 | unsigned long n = 0, h = 0; |
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| 141 | double x, y; |
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| 142 | printf ("\n"); |
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| 143 | for (;;) { |
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| 144 | x = g_random_double (); |
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| 145 | y = g_random_double (); |
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| 146 | if (x*x + y*y <= 1) |
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| 147 | h++; |
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| 148 | n++; |
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| 149 | if ( ! (n & 0xfff)) |
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| 150 | printf ("pi ~~ %1.10f\t(%lu/%lu * 4) iteration: %lu \r", |
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| 151 | ((double)h)/(double)n * 4.0, h, n, n); |
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| 152 | } |
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| 153 | } |
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| 154 | |
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| 155 | static gboolean |
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| 156 | create_transient_display (DBusConnection *connection, |
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| 157 | GError **error) |
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| 158 | { |
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| 159 | DBusError local_error; |
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| 160 | DBusMessage *message; |
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| 161 | DBusMessage *reply; |
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| 162 | gboolean ret; |
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| 163 | DBusMessageIter iter; |
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| 164 | const char *value; |
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| 165 | |
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| 166 | ret = FALSE; |
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| 167 | reply = NULL; |
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| 168 | |
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| 169 | dbus_error_init (&local_error); |
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| 170 | message = dbus_message_new_method_call (GDM_DBUS_NAME, |
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| 171 | GDM_DBUS_LOCAL_DISPLAY_FACTORY_PATH, |
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| 172 | GDM_DBUS_LOCAL_DISPLAY_FACTORY_INTERFACE, |
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| 173 | "CreateTransientDisplay"); |
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| 174 | if (message == NULL) { |
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| 175 | g_set_error (error, GDM_FLEXISERVER_ERROR, 0, "Out of memory."); |
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| 176 | goto out; |
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| 177 | } |
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| 178 | |
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| 179 | dbus_error_init (&local_error); |
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| 180 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 181 | message, |
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| 182 | -1, |
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| 183 | &local_error); |
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| 184 | if (reply == NULL) { |
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| 185 | if (dbus_error_is_set (&local_error)) { |
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| 186 | g_warning ("Unable to create transient display: %s", local_error.message); |
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| 187 | g_set_error (error, GDM_FLEXISERVER_ERROR, 0, "%s", local_error.message); |
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| 188 | dbus_error_free (&local_error); |
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| 189 | goto out; |
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| 190 | } |
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| 191 | } |
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| 192 | |
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| 193 | dbus_message_iter_init (reply, &iter); |
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| 194 | dbus_message_iter_get_basic (&iter, &value); |
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| 195 | g_debug ("Started %s", value); |
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| 196 | |
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| 197 | ret = TRUE; |
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| 198 | out: |
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| 199 | if (message != NULL) { |
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| 200 | dbus_message_unref (message); |
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| 201 | } |
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| 202 | if (reply != NULL) { |
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| 203 | dbus_message_unref (reply); |
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| 204 | } |
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| 205 | |
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| 206 | return ret; |
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| 207 | } |
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| 208 | |
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| 209 | static gboolean |
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| 210 | get_current_session_id (DBusConnection *connection, |
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| 211 | char **session_id) |
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| 212 | { |
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| 213 | DBusError local_error; |
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| 214 | DBusMessage *message; |
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| 215 | DBusMessage *reply; |
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| 216 | gboolean ret; |
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| 217 | DBusMessageIter iter; |
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| 218 | const char *value; |
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| 219 | |
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| 220 | ret = FALSE; |
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| 221 | reply = NULL; |
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| 222 | |
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| 223 | dbus_error_init (&local_error); |
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| 224 | message = dbus_message_new_method_call (CK_NAME, |
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| 225 | CK_MANAGER_PATH, |
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| 226 | CK_MANAGER_INTERFACE, |
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| 227 | "GetCurrentSession"); |
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| 228 | if (message == NULL) { |
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| 229 | goto out; |
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| 230 | } |
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| 231 | |
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| 232 | dbus_error_init (&local_error); |
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| 233 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 234 | message, |
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| 235 | -1, |
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| 236 | &local_error); |
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| 237 | if (reply == NULL) { |
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| 238 | if (dbus_error_is_set (&local_error)) { |
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| 239 | g_warning ("Unable to determine session: %s", local_error.message); |
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| 240 | dbus_error_free (&local_error); |
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| 241 | goto out; |
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| 242 | } |
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| 243 | } |
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| 244 | |
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| 245 | dbus_message_iter_init (reply, &iter); |
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| 246 | dbus_message_iter_get_basic (&iter, &value); |
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| 247 | if (session_id != NULL) { |
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| 248 | *session_id = g_strdup (value); |
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| 249 | } |
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| 250 | |
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| 251 | ret = TRUE; |
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| 252 | out: |
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| 253 | if (message != NULL) { |
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| 254 | dbus_message_unref (message); |
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| 255 | } |
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| 256 | if (reply != NULL) { |
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| 257 | dbus_message_unref (reply); |
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| 258 | } |
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| 259 | |
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| 260 | return ret; |
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| 261 | } |
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| 262 | |
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| 263 | static gboolean |
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| 264 | get_seat_id_for_session (DBusConnection *connection, |
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| 265 | const char *session_id, |
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| 266 | char **seat_id) |
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| 267 | { |
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| 268 | DBusError local_error; |
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| 269 | DBusMessage *message; |
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| 270 | DBusMessage *reply; |
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| 271 | gboolean ret; |
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| 272 | DBusMessageIter iter; |
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| 273 | const char *value; |
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| 274 | |
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| 275 | ret = FALSE; |
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| 276 | reply = NULL; |
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| 277 | |
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| 278 | dbus_error_init (&local_error); |
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| 279 | message = dbus_message_new_method_call (CK_NAME, |
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| 280 | session_id, |
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| 281 | CK_SESSION_INTERFACE, |
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| 282 | "GetSeatId"); |
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| 283 | if (message == NULL) { |
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| 284 | goto out; |
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| 285 | } |
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| 286 | |
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| 287 | dbus_error_init (&local_error); |
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| 288 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 289 | message, |
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| 290 | -1, |
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| 291 | &local_error); |
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| 292 | if (reply == NULL) { |
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| 293 | if (dbus_error_is_set (&local_error)) { |
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| 294 | g_warning ("Unable to determine seat: %s", local_error.message); |
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| 295 | dbus_error_free (&local_error); |
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| 296 | goto out; |
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| 297 | } |
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| 298 | } |
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| 299 | |
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| 300 | dbus_message_iter_init (reply, &iter); |
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| 301 | dbus_message_iter_get_basic (&iter, &value); |
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| 302 | if (seat_id != NULL) { |
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| 303 | *seat_id = g_strdup (value); |
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| 304 | } |
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| 305 | |
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| 306 | ret = TRUE; |
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| 307 | out: |
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| 308 | if (message != NULL) { |
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| 309 | dbus_message_unref (message); |
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| 310 | } |
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| 311 | if (reply != NULL) { |
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| 312 | dbus_message_unref (reply); |
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| 313 | } |
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| 314 | |
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| 315 | return ret; |
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| 316 | } |
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| 317 | |
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| 318 | static char * |
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| 319 | get_current_seat_id (DBusConnection *connection) |
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| 320 | { |
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| 321 | gboolean res; |
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| 322 | char *session_id; |
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| 323 | char *seat_id; |
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| 324 | |
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| 325 | session_id = NULL; |
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| 326 | seat_id = NULL; |
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| 327 | |
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| 328 | res = get_current_session_id (connection, &session_id); |
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| 329 | if (res) { |
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| 330 | res = get_seat_id_for_session (connection, session_id, &seat_id); |
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| 331 | } |
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| 332 | g_free (session_id); |
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| 333 | |
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| 334 | return seat_id; |
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| 335 | } |
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| 336 | |
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| 337 | static gboolean |
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| 338 | activate_session_id (DBusConnection *connection, |
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| 339 | const char *seat_id, |
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| 340 | const char *session_id) |
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| 341 | { |
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| 342 | DBusError local_error; |
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| 343 | DBusMessage *message; |
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| 344 | DBusMessage *reply; |
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| 345 | gboolean ret; |
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| 346 | |
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| 347 | ret = FALSE; |
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| 348 | reply = NULL; |
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| 349 | |
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| 350 | g_debug ("Switching to session %s", session_id); |
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| 351 | |
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| 352 | dbus_error_init (&local_error); |
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| 353 | message = dbus_message_new_method_call (CK_NAME, |
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| 354 | seat_id, |
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| 355 | CK_SEAT_INTERFACE, |
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| 356 | "ActivateSession"); |
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| 357 | if (message == NULL) { |
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| 358 | goto out; |
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| 359 | } |
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| 360 | |
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| 361 | if (! dbus_message_append_args (message, |
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| 362 | DBUS_TYPE_OBJECT_PATH, &session_id, |
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| 363 | DBUS_TYPE_INVALID)) { |
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| 364 | goto out; |
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| 365 | } |
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| 366 | |
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| 367 | |
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| 368 | dbus_error_init (&local_error); |
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| 369 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 370 | message, |
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| 371 | -1, |
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| 372 | &local_error); |
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| 373 | if (reply == NULL) { |
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| 374 | if (dbus_error_is_set (&local_error)) { |
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| 375 | g_warning ("Unable to activate session: %s", local_error.message); |
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| 376 | dbus_error_free (&local_error); |
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| 377 | goto out; |
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| 378 | } |
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| 379 | } |
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| 380 | |
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| 381 | ret = TRUE; |
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| 382 | out: |
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| 383 | if (message != NULL) { |
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| 384 | dbus_message_unref (message); |
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| 385 | } |
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| 386 | if (reply != NULL) { |
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| 387 | dbus_message_unref (reply); |
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| 388 | } |
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| 389 | |
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| 390 | return ret; |
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| 391 | } |
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| 392 | |
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| 393 | static gboolean |
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| 394 | session_is_login_window (DBusConnection *connection, |
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| 395 | const char *session_id) |
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| 396 | { |
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| 397 | DBusError local_error; |
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| 398 | DBusMessage *message; |
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| 399 | DBusMessage *reply; |
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| 400 | gboolean ret; |
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| 401 | DBusMessageIter iter; |
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| 402 | const char *value; |
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| 403 | |
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| 404 | ret = FALSE; |
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| 405 | reply = NULL; |
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| 406 | |
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| 407 | dbus_error_init (&local_error); |
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| 408 | message = dbus_message_new_method_call (CK_NAME, |
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| 409 | session_id, |
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| 410 | CK_SESSION_INTERFACE, |
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| 411 | "GetSessionType"); |
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| 412 | if (message == NULL) { |
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| 413 | goto out; |
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| 414 | } |
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| 415 | |
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| 416 | dbus_error_init (&local_error); |
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| 417 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 418 | message, |
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| 419 | -1, |
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| 420 | &local_error); |
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| 421 | if (reply == NULL) { |
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| 422 | if (dbus_error_is_set (&local_error)) { |
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| 423 | g_warning ("Unable to determine seat: %s", local_error.message); |
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| 424 | dbus_error_free (&local_error); |
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| 425 | goto out; |
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| 426 | } |
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| 427 | } |
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| 428 | |
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| 429 | dbus_message_iter_init (reply, &iter); |
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| 430 | dbus_message_iter_get_basic (&iter, &value); |
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| 431 | |
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| 432 | if (value == NULL || value[0] == '\0' || strcmp (value, "LoginWindow") != 0) { |
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| 433 | goto out; |
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| 434 | } |
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| 435 | |
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| 436 | ret = TRUE; |
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| 437 | out: |
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| 438 | if (message != NULL) { |
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| 439 | dbus_message_unref (message); |
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| 440 | } |
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| 441 | if (reply != NULL) { |
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| 442 | dbus_message_unref (reply); |
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| 443 | } |
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| 444 | |
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| 445 | return ret; |
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| 446 | } |
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| 447 | |
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| 448 | static gboolean |
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| 449 | seat_can_activate_sessions (DBusConnection *connection, |
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| 450 | const char *seat_id) |
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| 451 | { |
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| 452 | DBusError local_error; |
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| 453 | DBusMessage *message; |
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| 454 | DBusMessage *reply; |
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| 455 | DBusMessageIter iter; |
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| 456 | gboolean can_activate; |
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| 457 | |
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| 458 | can_activate = FALSE; |
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| 459 | reply = NULL; |
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| 460 | |
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| 461 | dbus_error_init (&local_error); |
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| 462 | message = dbus_message_new_method_call (CK_NAME, |
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| 463 | seat_id, |
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| 464 | CK_SEAT_INTERFACE, |
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| 465 | "CanActivateSessions"); |
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| 466 | if (message == NULL) { |
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| 467 | goto out; |
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| 468 | } |
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| 469 | |
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| 470 | dbus_error_init (&local_error); |
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| 471 | reply = dbus_connection_send_with_reply_and_block (connection, |
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| 472 | message, |
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| 473 | -1, |
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| 474 | &local_error); |
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| 475 | if (reply == NULL) { |
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| 476 | if (dbus_error_is_set (&local_error)) { |
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| 477 | g_warning ("Unable to activate session: %s", local_error.message); |
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| 478 | dbus_error_free (&local_error); |
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| 479 | goto out; |
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| 480 | } |
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| 481 | } |
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| 482 | |
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| 483 | dbus_message_iter_init (reply, &iter); |
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| 484 | dbus_message_iter_get_basic (&iter, &can_activate); |
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| 485 | |
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| 486 | out: |
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| 487 | if (message != NULL) { |
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| 488 | dbus_message_unref (message); |
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| 489 | } |
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| 490 | if (reply != NULL) { |
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| 491 | dbus_message_unref (reply); |
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| 492 | } |
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| 493 | |
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| 494 | return can_activate; |
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| 495 | } |
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| 496 | |
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| 497 | /* from libhal */ |
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| 498 | static char ** |
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| 499 | get_path_array_from_iter (DBusMessageIter *iter, |
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| 500 | int *num_elements) |
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| 501 | { |
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| 502 | int count; |
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| 503 | char **buffer; |
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| 504 | |
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| 505 | count = 0; |
---|
| 506 | buffer = (char **)malloc (sizeof (char *) * 8); |
---|
| 507 | |
---|
| 508 | if (buffer == NULL) |
---|
| 509 | goto oom; |
---|
| 510 | |
---|
| 511 | buffer[0] = NULL; |
---|
| 512 | while (dbus_message_iter_get_arg_type (iter) == DBUS_TYPE_OBJECT_PATH) { |
---|
| 513 | const char *value; |
---|
| 514 | char *str; |
---|
| 515 | |
---|
| 516 | if ((count % 8) == 0 && count != 0) { |
---|
| 517 | buffer = realloc (buffer, sizeof (char *) * (count + 8)); |
---|
| 518 | if (buffer == NULL) |
---|
| 519 | goto oom; |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | dbus_message_iter_get_basic (iter, &value); |
---|
| 523 | str = strdup (value); |
---|
| 524 | if (str == NULL) |
---|
| 525 | goto oom; |
---|
| 526 | |
---|
| 527 | buffer[count] = str; |
---|
| 528 | |
---|
| 529 | dbus_message_iter_next (iter); |
---|
| 530 | count++; |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | if ((count % 8) == 0) { |
---|
| 534 | buffer = realloc (buffer, sizeof (char *) * (count + 1)); |
---|
| 535 | if (buffer == NULL) |
---|
| 536 | goto oom; |
---|
| 537 | } |
---|
| 538 | |
---|
| 539 | buffer[count] = NULL; |
---|
| 540 | if (num_elements != NULL) |
---|
| 541 | *num_elements = count; |
---|
| 542 | return buffer; |
---|
| 543 | |
---|
| 544 | oom: |
---|
| 545 | g_debug ("%s %d : error allocating memory\n", __FILE__, __LINE__); |
---|
| 546 | return NULL; |
---|
| 547 | |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | static char ** |
---|
| 551 | seat_get_sessions (DBusConnection *connection, |
---|
| 552 | const char *seat_id) |
---|
| 553 | { |
---|
| 554 | DBusError error; |
---|
| 555 | DBusMessage *message; |
---|
| 556 | DBusMessage *reply; |
---|
| 557 | DBusMessageIter iter_reply; |
---|
| 558 | DBusMessageIter iter_array; |
---|
| 559 | char **sessions; |
---|
| 560 | |
---|
| 561 | sessions = NULL; |
---|
| 562 | message = NULL; |
---|
| 563 | reply = NULL; |
---|
| 564 | |
---|
| 565 | dbus_error_init (&error); |
---|
| 566 | message = dbus_message_new_method_call (CK_NAME, |
---|
| 567 | seat_id, |
---|
| 568 | CK_SEAT_INTERFACE, |
---|
| 569 | "GetSessions"); |
---|
| 570 | if (message == NULL) { |
---|
| 571 | g_debug ("Couldn't allocate the D-Bus message"); |
---|
| 572 | goto out; |
---|
| 573 | } |
---|
| 574 | |
---|
| 575 | dbus_error_init (&error); |
---|
| 576 | reply = dbus_connection_send_with_reply_and_block (connection, |
---|
| 577 | message, |
---|
| 578 | -1, &error); |
---|
| 579 | dbus_connection_flush (connection); |
---|
| 580 | |
---|
| 581 | if (dbus_error_is_set (&error)) { |
---|
| 582 | g_debug ("ConsoleKit %s raised:\n %s\n\n", error.name, error.message); |
---|
| 583 | goto out; |
---|
| 584 | } |
---|
| 585 | |
---|
| 586 | if (reply == NULL) { |
---|
| 587 | g_debug ("ConsoleKit: No reply for GetSessionsForUser"); |
---|
| 588 | goto out; |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | dbus_message_iter_init (reply, &iter_reply); |
---|
| 592 | if (dbus_message_iter_get_arg_type (&iter_reply) != DBUS_TYPE_ARRAY) { |
---|
| 593 | g_debug ("ConsoleKit Wrong reply for GetSessionsForUser - expecting an array."); |
---|
| 594 | goto out; |
---|
| 595 | } |
---|
| 596 | |
---|
| 597 | dbus_message_iter_recurse (&iter_reply, &iter_array); |
---|
| 598 | sessions = get_path_array_from_iter (&iter_array, NULL); |
---|
| 599 | |
---|
| 600 | out: |
---|
| 601 | if (message != NULL) { |
---|
| 602 | dbus_message_unref (message); |
---|
| 603 | } |
---|
| 604 | if (reply != NULL) { |
---|
| 605 | dbus_message_unref (reply); |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | return sessions; |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | static char * |
---|
| 612 | get_login_window_session_id (DBusConnection *connection, |
---|
| 613 | const char *seat_id) |
---|
| 614 | { |
---|
| 615 | gboolean can_activate_sessions; |
---|
| 616 | char **sessions; |
---|
| 617 | char *session_id; |
---|
| 618 | int i; |
---|
| 619 | |
---|
| 620 | session_id = NULL; |
---|
| 621 | sessions = NULL; |
---|
| 622 | |
---|
| 623 | g_debug ("checking if seat can activate sessions"); |
---|
| 624 | |
---|
| 625 | can_activate_sessions = seat_can_activate_sessions (connection, seat_id); |
---|
| 626 | if (! can_activate_sessions) { |
---|
| 627 | g_debug ("seat is unable to activate sessions"); |
---|
| 628 | goto out; |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | sessions = seat_get_sessions (connection, seat_id); |
---|
| 632 | for (i = 0; sessions [i] != NULL; i++) { |
---|
| 633 | char *ssid; |
---|
| 634 | |
---|
| 635 | ssid = sessions [i]; |
---|
| 636 | |
---|
| 637 | if (session_is_login_window (connection, ssid)) { |
---|
| 638 | session_id = g_strdup (ssid); |
---|
| 639 | break; |
---|
| 640 | } |
---|
| 641 | } |
---|
| 642 | g_strfreev (sessions); |
---|
| 643 | |
---|
| 644 | out: |
---|
| 645 | return session_id; |
---|
| 646 | } |
---|
| 647 | |
---|
| 648 | static gboolean |
---|
| 649 | goto_login_session (GError **error) |
---|
| 650 | { |
---|
| 651 | gboolean ret; |
---|
| 652 | gboolean res; |
---|
| 653 | char *session_id; |
---|
| 654 | char *seat_id; |
---|
| 655 | DBusError local_error; |
---|
| 656 | DBusConnection *connection; |
---|
| 657 | |
---|
| 658 | ret = FALSE; |
---|
| 659 | |
---|
| 660 | dbus_error_init (&local_error); |
---|
| 661 | connection = dbus_bus_get (DBUS_BUS_SYSTEM, &local_error); |
---|
| 662 | if (connection == NULL) { |
---|
| 663 | g_debug ("Failed to connect to the D-Bus daemon: %s", local_error.message); |
---|
| 664 | g_set_error (error, GDM_FLEXISERVER_ERROR, 0, "%s", local_error.message); |
---|
| 665 | dbus_error_free (&local_error); |
---|
| 666 | return FALSE; |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | /* First look for any existing LoginWindow sessions on the seat. |
---|
| 670 | If none are found, create a new one. */ |
---|
| 671 | |
---|
| 672 | seat_id = get_current_seat_id (connection); |
---|
| 673 | if (seat_id == NULL || seat_id[0] == '\0') { |
---|
| 674 | g_debug ("seat id is not set; can't switch sessions"); |
---|
| 675 | g_set_error (error, GDM_FLEXISERVER_ERROR, 0, _("Could not identify the current session.")); |
---|
| 676 | |
---|
| 677 | return FALSE; |
---|
| 678 | } |
---|
| 679 | |
---|
| 680 | session_id = get_login_window_session_id (connection, seat_id); |
---|
| 681 | if (session_id != NULL) { |
---|
| 682 | res = activate_session_id (connection, seat_id, session_id); |
---|
| 683 | if (res) { |
---|
| 684 | ret = TRUE; |
---|
| 685 | } |
---|
| 686 | } |
---|
| 687 | |
---|
| 688 | if (! ret) { |
---|
| 689 | res = create_transient_display (connection, error); |
---|
| 690 | if (res) { |
---|
| 691 | ret = TRUE; |
---|
| 692 | } |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | return ret; |
---|
| 696 | } |
---|
| 697 | |
---|
| 698 | int |
---|
| 699 | main (int argc, char *argv[]) |
---|
| 700 | { |
---|
| 701 | GOptionContext *ctx; |
---|
| 702 | gboolean res; |
---|
| 703 | GError *error; |
---|
| 704 | |
---|
| 705 | bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR); |
---|
| 706 | bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); |
---|
| 707 | textdomain (GETTEXT_PACKAGE); |
---|
| 708 | setlocale (LC_ALL, ""); |
---|
| 709 | |
---|
| 710 | /* Option parsing */ |
---|
| 711 | ctx = g_option_context_new (_("- New GDM login")); |
---|
| 712 | g_option_context_set_translation_domain (ctx, GETTEXT_PACKAGE); |
---|
| 713 | g_option_context_add_main_entries (ctx, options, NULL); |
---|
| 714 | g_option_context_parse (ctx, &argc, &argv, NULL); |
---|
| 715 | g_option_context_free (ctx); |
---|
| 716 | |
---|
| 717 | |
---|
| 718 | if (show_version) { |
---|
| 719 | g_print ("%s %s\n", argv [0], VERSION); |
---|
| 720 | exit (1); |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | /* don't support commands other than VERSION */ |
---|
| 724 | if (send_command != NULL) { |
---|
| 725 | if (strcmp (send_command, "VERSION") == 0) { |
---|
| 726 | g_print ("GDM %s \n", VERSION); |
---|
| 727 | return 0; |
---|
| 728 | } else { |
---|
| 729 | g_warning ("No longer supported"); |
---|
| 730 | } |
---|
| 731 | return 1; |
---|
| 732 | } |
---|
| 733 | |
---|
| 734 | gtk_init (&argc, &argv); |
---|
| 735 | |
---|
| 736 | if (monte_carlo_pi) { |
---|
| 737 | calc_pi (); |
---|
| 738 | return 0; |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | if (args_remaining != NULL && args_remaining[0] != NULL) { |
---|
| 742 | |
---|
| 743 | } |
---|
| 744 | |
---|
| 745 | if (use_xnest) { |
---|
| 746 | g_warning ("Not yet implemented"); |
---|
| 747 | return 1; |
---|
| 748 | } |
---|
| 749 | |
---|
| 750 | error = NULL; |
---|
| 751 | res = goto_login_session (&error); |
---|
| 752 | if (! res) { |
---|
| 753 | GtkWidget *dialog; |
---|
| 754 | char *message; |
---|
| 755 | |
---|
| 756 | if (error != NULL) { |
---|
| 757 | message = g_strdup_printf ("%s", error->message); |
---|
| 758 | g_error_free (error); |
---|
| 759 | } else { |
---|
| 760 | message = g_strdup (""); |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | dialog = gtk_message_dialog_new (NULL, |
---|
| 764 | GTK_DIALOG_DESTROY_WITH_PARENT, |
---|
| 765 | GTK_MESSAGE_ERROR, |
---|
| 766 | GTK_BUTTONS_CLOSE, |
---|
| 767 | "%s", _("Unable to start new display")); |
---|
| 768 | |
---|
| 769 | gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), |
---|
| 770 | "%s", message); |
---|
| 771 | g_free (message); |
---|
| 772 | |
---|
| 773 | gtk_window_set_title (GTK_WINDOW (dialog), ""); |
---|
| 774 | gtk_window_set_icon_name (GTK_WINDOW (dialog), "session-properties"); |
---|
| 775 | gtk_container_set_border_width (GTK_CONTAINER (dialog), 5); |
---|
| 776 | gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 14); |
---|
| 777 | |
---|
| 778 | gtk_dialog_run (GTK_DIALOG (dialog)); |
---|
| 779 | gtk_widget_destroy (dialog); |
---|
| 780 | } else { |
---|
| 781 | maybe_lock_screen (); |
---|
| 782 | } |
---|
| 783 | |
---|
| 784 | return 1; |
---|
| 785 | } |
---|