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; |
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506 | buffer = (char **)malloc (sizeof (char *) * 8); |
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507 | |
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508 | if (buffer == NULL) |
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509 | goto oom; |
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510 | |
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511 | buffer[0] = NULL; |
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512 | while (dbus_message_iter_get_arg_type (iter) == DBUS_TYPE_OBJECT_PATH) { |
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513 | const char *value; |
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514 | char *str; |
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515 | |
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516 | if ((count % 8) == 0 && count != 0) { |
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517 | buffer = realloc (buffer, sizeof (char *) * (count + 8)); |
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518 | if (buffer == NULL) |
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519 | goto oom; |
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520 | } |
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521 | |
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522 | dbus_message_iter_get_basic (iter, &value); |
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523 | str = strdup (value); |
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524 | if (str == NULL) |
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525 | goto oom; |
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526 | |
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527 | buffer[count] = str; |
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528 | |
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529 | dbus_message_iter_next (iter); |
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530 | count++; |
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531 | } |
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532 | |
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533 | if ((count % 8) == 0) { |
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534 | buffer = realloc (buffer, sizeof (char *) * (count + 1)); |
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535 | if (buffer == NULL) |
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536 | goto oom; |
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537 | } |
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538 | |
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539 | buffer[count] = NULL; |
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540 | if (num_elements != NULL) |
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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 | } |
---|