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) 1998, 1999, 2000 Martin K, Petersen <mkp@mkp.net> |
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4 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software |
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18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 | * |
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20 | */ |
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21 | |
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22 | #include "config.h" |
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23 | |
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24 | #include <stdlib.h> |
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25 | #include <stdio.h> |
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26 | #include <unistd.h> |
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27 | #include <string.h> |
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28 | #include <errno.h> |
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29 | #include <sys/types.h> |
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30 | #include <netinet/in.h> |
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31 | #include <sys/socket.h> |
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32 | #include <sys/ioctl.h> |
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33 | #include <net/if.h> |
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34 | #ifdef HAVE_SYS_SOCKIO_H |
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35 | #include <sys/sockio.h> |
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36 | #endif |
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37 | |
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38 | #include <X11/Xmd.h> |
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39 | #include <X11/Xdmcp.h> |
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40 | |
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41 | #include <glib.h> |
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42 | #include <glib/gi18n.h> |
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43 | #include <glib-object.h> |
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44 | #include <gtk/gtk.h> |
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45 | |
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46 | #include "gdm-address.h" |
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47 | #include "gdm-chooser-host.h" |
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48 | #include "gdm-host-chooser-widget.h" |
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49 | |
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50 | #define GDM_HOST_CHOOSER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_HOST_CHOOSER_WIDGET, GdmHostChooserWidgetPrivate)) |
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51 | |
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52 | struct GdmHostChooserWidgetPrivate |
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53 | { |
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54 | GtkWidget *treeview; |
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55 | |
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56 | int kind_mask; |
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57 | |
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58 | char **hosts; |
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59 | |
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60 | XdmcpBuffer broadcast_buf; |
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61 | XdmcpBuffer query_buf; |
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62 | gboolean have_ipv6; |
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63 | int socket_fd; |
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64 | guint io_watch_id; |
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65 | guint scan_time_id; |
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66 | guint ping_try_id; |
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67 | |
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68 | int ping_tries; |
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69 | |
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70 | GSList *broadcast_addresses; |
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71 | GSList *query_addresses; |
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72 | GSList *chooser_hosts; |
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73 | |
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74 | GdmChooserHost *current_host; |
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75 | }; |
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76 | |
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77 | enum { |
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78 | PROP_0, |
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79 | PROP_KIND_MASK, |
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80 | }; |
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81 | |
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82 | enum { |
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83 | HOST_ACTIVATED, |
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84 | LAST_SIGNAL |
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85 | }; |
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86 | |
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87 | static guint signals [LAST_SIGNAL] = { 0, }; |
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88 | |
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89 | static void gdm_host_chooser_widget_class_init (GdmHostChooserWidgetClass *klass); |
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90 | static void gdm_host_chooser_widget_init (GdmHostChooserWidget *host_chooser_widget); |
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91 | static void gdm_host_chooser_widget_finalize (GObject *object); |
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92 | |
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93 | G_DEFINE_TYPE (GdmHostChooserWidget, gdm_host_chooser_widget, GTK_TYPE_VBOX) |
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94 | |
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95 | #define GDM_XDMCP_PROTOCOL_VERSION 1001 |
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96 | #define SCAN_TIMEOUT 30 |
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97 | #define PING_TIMEOUT 2 |
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98 | #define PING_TRIES 3 |
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99 | |
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100 | enum { |
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101 | CHOOSER_LIST_ICON_COLUMN = 0, |
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102 | CHOOSER_LIST_LABEL_COLUMN, |
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103 | CHOOSER_LIST_HOST_COLUMN |
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104 | }; |
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105 | |
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106 | static void |
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107 | chooser_host_add (GdmHostChooserWidget *widget, |
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108 | GdmChooserHost *host) |
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109 | { |
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110 | widget->priv->chooser_hosts = g_slist_prepend (widget->priv->chooser_hosts, host); |
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111 | } |
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112 | |
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113 | #if 0 |
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114 | static void |
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115 | chooser_host_remove (GdmHostChooserWidget *widget, |
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116 | GdmChooserHost *host) |
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117 | { |
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118 | widget->priv->chooser_hosts = g_slist_remove (widget->priv->chooser_hosts, host); |
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119 | } |
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120 | #endif |
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121 | |
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122 | static GdmChooserHost * |
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123 | find_known_host (GdmHostChooserWidget *widget, |
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124 | GdmAddress *address) |
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125 | { |
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126 | GSList *li; |
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127 | GdmChooserHost *host; |
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128 | |
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129 | for (li = widget->priv->chooser_hosts; li != NULL; li = li->next) { |
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130 | host = li->data; |
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131 | if (gdm_address_equal (gdm_chooser_host_get_address (host), address)) { |
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132 | goto out; |
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133 | } |
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134 | } |
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135 | |
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136 | host = NULL; |
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137 | out: |
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138 | |
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139 | return host; |
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140 | } |
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141 | |
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142 | static void |
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143 | browser_add_host (GdmHostChooserWidget *widget, |
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144 | GdmChooserHost *host) |
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145 | { |
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146 | char *hostname; |
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147 | char *name; |
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148 | char *desc; |
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149 | char *label; |
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150 | GtkTreeModel *model; |
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151 | GtkTreeIter iter; |
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152 | gboolean res; |
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153 | |
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154 | g_assert (host != NULL); |
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155 | |
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156 | if (! gdm_chooser_host_get_willing (host)) { |
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157 | gtk_widget_set_sensitive (GTK_WIDGET (widget), TRUE); |
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158 | return; |
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159 | } |
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160 | |
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161 | res = gdm_address_get_hostname (gdm_chooser_host_get_address (host), &hostname); |
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162 | if (! res) { |
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163 | gdm_address_get_numeric_info (gdm_chooser_host_get_address (host), &hostname, NULL); |
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164 | } |
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165 | |
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166 | name = g_markup_escape_text (hostname, -1); |
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167 | desc = g_markup_escape_text (gdm_chooser_host_get_description (host), -1); |
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168 | label = g_strdup_printf ("<b>%s</b>\n%s", name, desc); |
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169 | g_free (name); |
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170 | g_free (desc); |
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171 | |
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172 | model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget->priv->treeview)); |
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173 | |
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174 | gtk_list_store_append (GTK_LIST_STORE (model), &iter); |
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175 | gtk_list_store_set (GTK_LIST_STORE (model), |
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176 | &iter, |
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177 | CHOOSER_LIST_ICON_COLUMN, NULL, |
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178 | CHOOSER_LIST_LABEL_COLUMN, label, |
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179 | CHOOSER_LIST_HOST_COLUMN, host, |
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180 | -1); |
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181 | g_free (label); |
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182 | |
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183 | } |
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184 | |
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185 | static gboolean |
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186 | decode_packet (GIOChannel *source, |
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187 | GIOCondition condition, |
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188 | GdmHostChooserWidget *widget) |
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189 | { |
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190 | struct sockaddr_storage clnt_ss; |
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191 | GdmAddress *address; |
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192 | int ss_len; |
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193 | XdmcpHeader header; |
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194 | int res; |
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195 | static XdmcpBuffer buf; |
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196 | ARRAY8 auth = {0}; |
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197 | ARRAY8 host = {0}; |
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198 | ARRAY8 stat = {0}; |
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199 | char *status; |
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200 | GdmChooserHost *chooser_host; |
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201 | |
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202 | status = NULL; |
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203 | address = NULL; |
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204 | |
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205 | g_debug ("decode_packet: GIOCondition %d", (int)condition); |
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206 | |
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207 | if ( ! (condition & G_IO_IN)) { |
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208 | return TRUE; |
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209 | } |
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210 | |
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211 | ss_len = sizeof (clnt_ss); |
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212 | res = XdmcpFill (widget->priv->socket_fd, &buf, (XdmcpNetaddr)&clnt_ss, &ss_len); |
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213 | if G_UNLIKELY (! res) { |
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214 | g_debug (_("XDMCP: Could not create XDMCP buffer!")); |
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215 | return TRUE; |
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216 | } |
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217 | |
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218 | res = XdmcpReadHeader (&buf, &header); |
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219 | if G_UNLIKELY (! res) { |
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220 | g_warning (_("XDMCP: Could not read XDMCP header!")); |
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221 | return TRUE; |
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222 | } |
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223 | |
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224 | if G_UNLIKELY (header.version != XDM_PROTOCOL_VERSION && |
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225 | header.version != GDM_XDMCP_PROTOCOL_VERSION) { |
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226 | g_warning (_("XMDCP: Incorrect XDMCP version!")); |
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227 | return TRUE; |
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228 | } |
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229 | |
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230 | address = gdm_address_new_from_sockaddr ((struct sockaddr *) &clnt_ss, ss_len); |
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231 | if (address == NULL) { |
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232 | g_warning (_("XMDCP: Unable to parse address")); |
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233 | return TRUE; |
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234 | } |
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235 | |
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236 | gdm_address_debug (address); |
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237 | |
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238 | if (header.opcode == WILLING) { |
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239 | if (! XdmcpReadARRAY8 (&buf, &auth)) { |
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240 | goto done; |
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241 | } |
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242 | |
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243 | if (! XdmcpReadARRAY8 (&buf, &host)) { |
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244 | goto done; |
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245 | } |
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246 | |
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247 | if (! XdmcpReadARRAY8 (&buf, &stat)) { |
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248 | goto done; |
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249 | } |
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250 | |
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251 | status = g_strndup ((char *) stat.data, MIN (stat.length, 256)); |
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252 | } else if (header.opcode == UNWILLING) { |
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253 | /* immaterial, will not be shown */ |
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254 | status = NULL; |
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255 | } else { |
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256 | goto done; |
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257 | } |
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258 | |
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259 | g_debug ("STATUS: %s", status); |
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260 | |
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261 | chooser_host = find_known_host (widget, address); |
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262 | if (chooser_host == NULL) { |
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263 | chooser_host = g_object_new (GDM_TYPE_CHOOSER_HOST, |
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264 | "address", address, |
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265 | "description", status, |
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266 | "willing", (header.opcode == WILLING), |
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267 | "kind", GDM_CHOOSER_HOST_KIND_XDMCP, |
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268 | NULL); |
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269 | chooser_host_add (widget, chooser_host); |
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270 | browser_add_host (widget, chooser_host); |
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271 | } else { |
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272 | /* server changed it's mind */ |
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273 | if (header.opcode == WILLING |
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274 | && ! gdm_chooser_host_get_willing (chooser_host)) { |
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275 | g_object_set (chooser_host, "willing", TRUE, NULL); |
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276 | browser_add_host (widget, chooser_host); |
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277 | } |
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278 | /* FIXME: handle unwilling? */ |
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279 | } |
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280 | |
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281 | done: |
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282 | if (header.opcode == WILLING) { |
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283 | XdmcpDisposeARRAY8 (&auth); |
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284 | XdmcpDisposeARRAY8 (&host); |
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285 | XdmcpDisposeARRAY8 (&stat); |
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286 | } |
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287 | |
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288 | g_free (status); |
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289 | gdm_address_free (address); |
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290 | |
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291 | return TRUE; |
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292 | } |
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293 | |
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294 | static void |
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295 | do_ping (GdmHostChooserWidget *widget, |
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296 | gboolean full) |
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297 | { |
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298 | GSList *l; |
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299 | |
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300 | g_debug ("do ping full:%d", full); |
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301 | |
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302 | for (l = widget->priv->broadcast_addresses; l != NULL; l = l->next) { |
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303 | GdmAddress *address; |
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304 | int res; |
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305 | |
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306 | address = l->data; |
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307 | |
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308 | gdm_address_debug (address); |
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309 | errno = 0; |
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310 | g_debug ("fd:%d", widget->priv->socket_fd); |
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311 | res = XdmcpFlush (widget->priv->socket_fd, |
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312 | &widget->priv->broadcast_buf, |
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313 | (XdmcpNetaddr)gdm_address_peek_sockaddr_storage (address), |
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314 | (int)sizeof (struct sockaddr_storage)); |
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315 | if (! res) { |
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316 | g_warning ("Unable to flush the XDMCP broadcast packet: %s", g_strerror (errno)); |
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317 | } |
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318 | } |
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319 | |
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320 | if (full) { |
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321 | for (l = widget->priv->query_addresses; l != NULL; l = l->next) { |
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322 | GdmAddress *address; |
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323 | int res; |
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324 | |
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325 | address = l->data; |
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326 | |
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327 | gdm_address_debug (address); |
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328 | res = XdmcpFlush (widget->priv->socket_fd, |
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329 | &widget->priv->query_buf, |
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330 | (XdmcpNetaddr)gdm_address_peek_sockaddr_storage (address), |
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331 | (int)sizeof (struct sockaddr_storage)); |
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332 | if (! res) { |
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333 | g_warning ("Unable to flush the XDMCP query packet"); |
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334 | } |
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335 | } |
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336 | } |
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337 | } |
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338 | |
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339 | static gboolean |
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340 | ping_try (GdmHostChooserWidget *widget) |
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341 | { |
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342 | do_ping (widget, FALSE); |
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343 | |
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344 | widget->priv->ping_tries --; |
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345 | |
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346 | if (widget->priv->ping_tries <= 0) { |
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347 | widget->priv->ping_try_id = 0; |
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348 | return FALSE; |
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349 | } else { |
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350 | return TRUE; |
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351 | } |
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352 | } |
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353 | |
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354 | static void |
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355 | xdmcp_discover (GdmHostChooserWidget *widget) |
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356 | { |
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357 | #if 0 |
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358 | gtk_widget_set_sensitive (GTK_WIDGET (manage), FALSE); |
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359 | gtk_widget_set_sensitive (GTK_WIDGET (rescan), FALSE); |
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360 | gtk_list_store_clear (GTK_LIST_STORE (browser_model)); |
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361 | gtk_widget_set_sensitive (GTK_WIDGET (browser), FALSE); |
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362 | gtk_label_set_label (GTK_LABEL (status_label), |
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363 | _(scanning_message)); |
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364 | |
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365 | while (hl) { |
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366 | gdm_chooser_host_dispose ((GdmChooserHost *) hl->data); |
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367 | hl = hl->next; |
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368 | } |
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369 | |
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370 | g_list_free (chooser_hosts); |
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371 | chooser_hosts = NULL; |
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372 | #endif |
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373 | |
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374 | do_ping (widget, TRUE); |
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375 | |
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376 | #if 0 |
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377 | if (widget->priv->scan_time_id > 0) { |
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378 | g_source_remove (widget->priv->scan_time_id); |
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379 | } |
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380 | |
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381 | widget->priv->scan_time_id = g_timeout_add_seconds (SCAN_TIMEOUT, |
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382 | chooser_scan_time_update, |
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383 | widget); |
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384 | #endif |
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385 | /* Note we already used up one try */ |
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386 | widget->priv->ping_tries = PING_TRIES - 1; |
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387 | if (widget->priv->ping_try_id > 0) { |
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388 | g_source_remove (widget->priv->ping_try_id); |
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389 | } |
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390 | |
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391 | widget->priv->ping_try_id = g_timeout_add_seconds (PING_TIMEOUT, |
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392 | (GSourceFunc)ping_try, |
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393 | widget); |
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394 | } |
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395 | |
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396 | /* Find broadcast address for all active, non pointopoint interfaces */ |
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397 | static void |
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398 | find_broadcast_addresses (GdmHostChooserWidget *widget) |
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399 | { |
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400 | int i; |
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401 | int num; |
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402 | int sock; |
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403 | struct ifconf ifc; |
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404 | char *buf; |
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405 | struct ifreq *ifr; |
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406 | |
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407 | g_debug ("Finding broadcast addresses"); |
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408 | |
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409 | sock = socket (AF_INET, SOCK_DGRAM, 0); |
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410 | #ifdef SIOCGIFNUM |
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411 | if (ioctl (sock, SIOCGIFNUM, &num) < 0) { |
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412 | num = 64; |
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413 | } |
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414 | #else |
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415 | num = 64; |
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416 | #endif |
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417 | |
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418 | ifc.ifc_len = sizeof (struct ifreq) * num; |
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419 | ifc.ifc_buf = buf = g_malloc0 (ifc.ifc_len); |
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420 | if (ioctl (sock, SIOCGIFCONF, &ifc) < 0) { |
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421 | g_warning ("Could not get local addresses!"); |
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422 | goto out; |
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423 | } |
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424 | |
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425 | ifr = ifc.ifc_req; |
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426 | num = ifc.ifc_len / sizeof (struct ifreq); |
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427 | for (i = 0 ; i < num ; i++) { |
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428 | const char *name; |
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429 | |
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430 | name = ifr[i].ifr_name; |
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431 | g_debug ("Checking if %s", name); |
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432 | if (name != NULL && name[0] != '\0') { |
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433 | struct ifreq ifreq; |
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434 | GdmAddress *address; |
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435 | struct sockaddr_in sin; |
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436 | |
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437 | memset (&ifreq, 0, sizeof (ifreq)); |
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438 | |
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439 | strncpy (ifreq.ifr_name, |
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440 | ifr[i].ifr_name, |
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441 | sizeof (ifreq.ifr_name)); |
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442 | /* paranoia */ |
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443 | ifreq.ifr_name[sizeof (ifreq.ifr_name) - 1] = '\0'; |
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444 | |
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445 | if (ioctl (sock, SIOCGIFFLAGS, &ifreq) < 0) { |
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446 | g_warning ("Could not get SIOCGIFFLAGS for %s", ifr[i].ifr_name); |
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447 | } |
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448 | |
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449 | if ((ifreq.ifr_flags & IFF_UP) == 0 || |
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450 | (ifreq.ifr_flags & IFF_BROADCAST) == 0 || |
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451 | ioctl (sock, SIOCGIFBRDADDR, &ifreq) < 0) { |
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452 | g_debug ("Skipping if %s", name); |
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453 | continue; |
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454 | } |
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455 | |
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456 | g_memmove (&sin, &ifreq.ifr_broadaddr, sizeof (struct sockaddr_in)); |
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457 | sin.sin_port = htons (XDM_UDP_PORT); |
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458 | address = gdm_address_new_from_sockaddr ((struct sockaddr *) &sin, sizeof (sin)); |
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459 | if (address != NULL) { |
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460 | g_debug ("Adding if %s", name); |
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461 | gdm_address_debug (address); |
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462 | |
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463 | widget->priv->broadcast_addresses = g_slist_append (widget->priv->broadcast_addresses, address); |
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464 | } |
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465 | } |
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466 | } |
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467 | out: |
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468 | g_free (buf); |
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469 | close (sock); |
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470 | } |
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471 | |
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472 | static void |
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473 | add_hosts (GdmHostChooserWidget *widget) |
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474 | { |
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475 | int i; |
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476 | |
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477 | for (i = 0; widget->priv->hosts != NULL && widget->priv->hosts[i] != NULL; i++) { |
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478 | struct addrinfo hints; |
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479 | struct addrinfo *result; |
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480 | struct addrinfo *ai; |
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481 | int gaierr; |
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482 | const char *name; |
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483 | char serv_buf [NI_MAXSERV]; |
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484 | const char *serv; |
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485 | |
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486 | name = widget->priv->hosts[i]; |
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487 | |
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488 | if (strcmp (name, "BROADCAST") == 0) { |
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489 | find_broadcast_addresses (widget); |
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490 | continue; |
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491 | } |
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492 | |
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493 | if (strcmp (name, "MULTICAST") == 0) { |
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494 | /*gdm_chooser_find_mcaddr ();*/ |
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495 | continue; |
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496 | } |
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497 | |
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498 | result = NULL; |
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499 | memset (&hints, 0, sizeof (hints)); |
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500 | hints.ai_socktype = SOCK_STREAM; |
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501 | |
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502 | snprintf (serv_buf, sizeof (serv_buf), "%u", XDM_UDP_PORT); |
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503 | serv = serv_buf; |
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504 | |
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505 | gaierr = getaddrinfo (name, serv, &hints, &result); |
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506 | if (gaierr != 0) { |
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507 | g_warning ("Unable to get address info for name %s: %s", name, gai_strerror (gaierr)); |
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508 | continue; |
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509 | } |
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510 | |
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511 | for (ai = result; ai != NULL; ai = ai->ai_next) { |
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512 | GdmAddress *address; |
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513 | |
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514 | address = gdm_address_new_from_sockaddr (ai->ai_addr, ai->ai_addrlen); |
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515 | if (address != NULL) { |
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516 | widget->priv->query_addresses = g_slist_append (widget->priv->query_addresses, address); |
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517 | } |
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518 | } |
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519 | |
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520 | freeaddrinfo (result); |
---|
521 | } |
---|
522 | |
---|
523 | if (widget->priv->broadcast_addresses == NULL && widget->priv->query_addresses == NULL) { |
---|
524 | find_broadcast_addresses (widget); |
---|
525 | } |
---|
526 | } |
---|
527 | |
---|
528 | static void |
---|
529 | xdmcp_init (GdmHostChooserWidget *widget) |
---|
530 | { |
---|
531 | XdmcpHeader header; |
---|
532 | int sockopts; |
---|
533 | int res; |
---|
534 | GIOChannel *ioc; |
---|
535 | ARRAYofARRAY8 aanames; |
---|
536 | |
---|
537 | sockopts = 1; |
---|
538 | |
---|
539 | widget->priv->socket_fd = -1; |
---|
540 | |
---|
541 | /* Open socket for communication */ |
---|
542 | #ifdef ENABLE_IPV6 |
---|
543 | widget->priv->socket_fd = socket (AF_INET6, SOCK_DGRAM, 0); |
---|
544 | if (widget->priv->socket_fd != -1) { |
---|
545 | widget->priv->have_ipv6 = TRUE; |
---|
546 | } |
---|
547 | #endif |
---|
548 | if (! widget->priv->have_ipv6) { |
---|
549 | widget->priv->socket_fd = socket (AF_INET, SOCK_DGRAM, 0); |
---|
550 | if (widget->priv->socket_fd == -1) { |
---|
551 | g_critical ("Could not create socket!"); |
---|
552 | } |
---|
553 | } |
---|
554 | |
---|
555 | res = setsockopt (widget->priv->socket_fd, |
---|
556 | SOL_SOCKET, |
---|
557 | SO_BROADCAST, |
---|
558 | (char *) &sockopts, |
---|
559 | sizeof (sockopts)); |
---|
560 | if (res < 0) { |
---|
561 | g_critical ("Could not set socket options!"); |
---|
562 | } |
---|
563 | |
---|
564 | /* Assemble XDMCP BROADCAST_QUERY packet in static buffer */ |
---|
565 | memset (&header, 0, sizeof (XdmcpHeader)); |
---|
566 | header.opcode = (CARD16) BROADCAST_QUERY; |
---|
567 | header.length = 1; |
---|
568 | header.version = XDM_PROTOCOL_VERSION; |
---|
569 | aanames.length = 0; |
---|
570 | XdmcpWriteHeader (&widget->priv->broadcast_buf, &header); |
---|
571 | XdmcpWriteARRAYofARRAY8 (&widget->priv->broadcast_buf, &aanames); |
---|
572 | |
---|
573 | /* Assemble XDMCP QUERY packet in static buffer */ |
---|
574 | memset (&header, 0, sizeof (XdmcpHeader)); |
---|
575 | header.opcode = (CARD16) QUERY; |
---|
576 | header.length = 1; |
---|
577 | header.version = XDM_PROTOCOL_VERSION; |
---|
578 | memset (&widget->priv->query_buf, 0, sizeof (XdmcpBuffer)); |
---|
579 | XdmcpWriteHeader (&widget->priv->query_buf, &header); |
---|
580 | XdmcpWriteARRAYofARRAY8 (&widget->priv->query_buf, &aanames); |
---|
581 | |
---|
582 | add_hosts (widget); |
---|
583 | |
---|
584 | ioc = g_io_channel_unix_new (widget->priv->socket_fd); |
---|
585 | g_io_channel_set_encoding (ioc, NULL, NULL); |
---|
586 | g_io_channel_set_buffered (ioc, FALSE); |
---|
587 | widget->priv->io_watch_id = g_io_add_watch (ioc, |
---|
588 | G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP | G_IO_NVAL, |
---|
589 | (GIOFunc)decode_packet, |
---|
590 | widget); |
---|
591 | g_io_channel_unref (ioc); |
---|
592 | } |
---|
593 | |
---|
594 | void |
---|
595 | gdm_host_chooser_widget_refresh (GdmHostChooserWidget *widget) |
---|
596 | { |
---|
597 | g_return_if_fail (GDM_IS_HOST_CHOOSER_WIDGET (widget)); |
---|
598 | |
---|
599 | xdmcp_discover (widget); |
---|
600 | } |
---|
601 | |
---|
602 | GdmChooserHost * |
---|
603 | gdm_host_chooser_widget_get_host (GdmHostChooserWidget *widget) |
---|
604 | { |
---|
605 | GdmChooserHost *host; |
---|
606 | |
---|
607 | g_return_val_if_fail (GDM_IS_HOST_CHOOSER_WIDGET (widget), NULL); |
---|
608 | |
---|
609 | host = NULL; |
---|
610 | if (widget->priv->current_host != NULL) { |
---|
611 | host = g_object_ref (widget->priv->current_host); |
---|
612 | } |
---|
613 | |
---|
614 | return host; |
---|
615 | } |
---|
616 | |
---|
617 | static void |
---|
618 | _gdm_host_chooser_widget_set_kind_mask (GdmHostChooserWidget *widget, |
---|
619 | int kind_mask) |
---|
620 | { |
---|
621 | if (widget->priv->kind_mask != kind_mask) { |
---|
622 | widget->priv->kind_mask = kind_mask; |
---|
623 | } |
---|
624 | } |
---|
625 | |
---|
626 | static void |
---|
627 | gdm_host_chooser_widget_set_property (GObject *object, |
---|
628 | guint prop_id, |
---|
629 | const GValue *value, |
---|
630 | GParamSpec *pspec) |
---|
631 | { |
---|
632 | GdmHostChooserWidget *self; |
---|
633 | |
---|
634 | self = GDM_HOST_CHOOSER_WIDGET (object); |
---|
635 | |
---|
636 | switch (prop_id) { |
---|
637 | case PROP_KIND_MASK: |
---|
638 | _gdm_host_chooser_widget_set_kind_mask (self, g_value_get_int (value)); |
---|
639 | break; |
---|
640 | default: |
---|
641 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
642 | break; |
---|
643 | } |
---|
644 | } |
---|
645 | |
---|
646 | static void |
---|
647 | gdm_host_chooser_widget_get_property (GObject *object, |
---|
648 | guint prop_id, |
---|
649 | GValue *value, |
---|
650 | GParamSpec *pspec) |
---|
651 | { |
---|
652 | switch (prop_id) { |
---|
653 | default: |
---|
654 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
655 | break; |
---|
656 | } |
---|
657 | } |
---|
658 | |
---|
659 | static GObject * |
---|
660 | gdm_host_chooser_widget_constructor (GType type, |
---|
661 | guint n_construct_properties, |
---|
662 | GObjectConstructParam *construct_properties) |
---|
663 | { |
---|
664 | GdmHostChooserWidget *widget; |
---|
665 | |
---|
666 | widget = GDM_HOST_CHOOSER_WIDGET (G_OBJECT_CLASS (gdm_host_chooser_widget_parent_class)->constructor (type, |
---|
667 | n_construct_properties, |
---|
668 | construct_properties)); |
---|
669 | |
---|
670 | xdmcp_init (widget); |
---|
671 | xdmcp_discover (widget); |
---|
672 | |
---|
673 | return G_OBJECT (widget); |
---|
674 | } |
---|
675 | |
---|
676 | static void |
---|
677 | gdm_host_chooser_widget_dispose (GObject *object) |
---|
678 | { |
---|
679 | GdmHostChooserWidget *widget; |
---|
680 | |
---|
681 | widget = GDM_HOST_CHOOSER_WIDGET (object); |
---|
682 | |
---|
683 | g_debug ("Disposing host_chooser_widget"); |
---|
684 | |
---|
685 | if (widget->priv->broadcast_addresses != NULL) { |
---|
686 | g_slist_foreach (widget->priv->broadcast_addresses, |
---|
687 | (GFunc)gdm_address_free, |
---|
688 | NULL); |
---|
689 | g_slist_free (widget->priv->broadcast_addresses); |
---|
690 | widget->priv->broadcast_addresses = NULL; |
---|
691 | } |
---|
692 | if (widget->priv->query_addresses != NULL) { |
---|
693 | g_slist_foreach (widget->priv->query_addresses, |
---|
694 | (GFunc)gdm_address_free, |
---|
695 | NULL); |
---|
696 | g_slist_free (widget->priv->query_addresses); |
---|
697 | widget->priv->query_addresses = NULL; |
---|
698 | } |
---|
699 | if (widget->priv->chooser_hosts != NULL) { |
---|
700 | g_slist_foreach (widget->priv->chooser_hosts, |
---|
701 | (GFunc)g_object_unref, |
---|
702 | NULL); |
---|
703 | g_slist_free (widget->priv->chooser_hosts); |
---|
704 | widget->priv->chooser_hosts = NULL; |
---|
705 | } |
---|
706 | |
---|
707 | widget->priv->current_host = NULL; |
---|
708 | |
---|
709 | G_OBJECT_CLASS (gdm_host_chooser_widget_parent_class)->dispose (object); |
---|
710 | } |
---|
711 | |
---|
712 | static void |
---|
713 | gdm_host_chooser_widget_class_init (GdmHostChooserWidgetClass *klass) |
---|
714 | { |
---|
715 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
---|
716 | |
---|
717 | object_class->get_property = gdm_host_chooser_widget_get_property; |
---|
718 | object_class->set_property = gdm_host_chooser_widget_set_property; |
---|
719 | object_class->constructor = gdm_host_chooser_widget_constructor; |
---|
720 | object_class->dispose = gdm_host_chooser_widget_dispose; |
---|
721 | object_class->finalize = gdm_host_chooser_widget_finalize; |
---|
722 | |
---|
723 | g_object_class_install_property (object_class, |
---|
724 | PROP_KIND_MASK, |
---|
725 | g_param_spec_int ("kind-mask", |
---|
726 | "kind mask", |
---|
727 | "kind mask", |
---|
728 | 0, |
---|
729 | G_MAXINT, |
---|
730 | 0, |
---|
731 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); |
---|
732 | |
---|
733 | signals [HOST_ACTIVATED] = g_signal_new ("host-activated", |
---|
734 | G_TYPE_FROM_CLASS (object_class), |
---|
735 | G_SIGNAL_RUN_LAST, |
---|
736 | G_STRUCT_OFFSET (GdmHostChooserWidgetClass, host_activated), |
---|
737 | NULL, |
---|
738 | NULL, |
---|
739 | g_cclosure_marshal_VOID__VOID, |
---|
740 | G_TYPE_NONE, |
---|
741 | 0); |
---|
742 | |
---|
743 | g_type_class_add_private (klass, sizeof (GdmHostChooserWidgetPrivate)); |
---|
744 | } |
---|
745 | |
---|
746 | static void |
---|
747 | on_host_selected (GtkTreeSelection *selection, |
---|
748 | GdmHostChooserWidget *widget) |
---|
749 | { |
---|
750 | GtkTreeModel *model = NULL; |
---|
751 | GtkTreeIter iter = {0}; |
---|
752 | GdmChooserHost *curhost; |
---|
753 | |
---|
754 | curhost = NULL; |
---|
755 | |
---|
756 | if (gtk_tree_selection_get_selected (selection, &model, &iter)) { |
---|
757 | gtk_tree_model_get (model, &iter, CHOOSER_LIST_HOST_COLUMN, &curhost, -1); |
---|
758 | } |
---|
759 | |
---|
760 | widget->priv->current_host = curhost; |
---|
761 | } |
---|
762 | |
---|
763 | static void |
---|
764 | on_row_activated (GtkTreeView *tree_view, |
---|
765 | GtkTreePath *tree_path, |
---|
766 | GtkTreeViewColumn *tree_column, |
---|
767 | GdmHostChooserWidget *widget) |
---|
768 | { |
---|
769 | g_signal_emit (widget, signals[HOST_ACTIVATED], 0); |
---|
770 | } |
---|
771 | |
---|
772 | static void |
---|
773 | gdm_host_chooser_widget_init (GdmHostChooserWidget *widget) |
---|
774 | { |
---|
775 | GtkWidget *scrolled; |
---|
776 | GtkTreeSelection *selection; |
---|
777 | GtkTreeViewColumn *column; |
---|
778 | GtkTreeModel *model; |
---|
779 | |
---|
780 | widget->priv = GDM_HOST_CHOOSER_WIDGET_GET_PRIVATE (widget); |
---|
781 | |
---|
782 | scrolled = gtk_scrolled_window_new (NULL, NULL); |
---|
783 | gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled), |
---|
784 | GTK_SHADOW_IN); |
---|
785 | gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), |
---|
786 | GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); |
---|
787 | gtk_box_pack_start (GTK_BOX (widget), scrolled, TRUE, TRUE, 0); |
---|
788 | |
---|
789 | widget->priv->treeview = gtk_tree_view_new (); |
---|
790 | gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (widget->priv->treeview), FALSE); |
---|
791 | g_signal_connect (widget->priv->treeview, |
---|
792 | "row-activated", |
---|
793 | G_CALLBACK (on_row_activated), |
---|
794 | widget); |
---|
795 | gtk_container_add (GTK_CONTAINER (scrolled), widget->priv->treeview); |
---|
796 | |
---|
797 | selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->treeview)); |
---|
798 | gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE); |
---|
799 | g_signal_connect (selection, "changed", |
---|
800 | G_CALLBACK (on_host_selected), |
---|
801 | widget); |
---|
802 | |
---|
803 | model = (GtkTreeModel *)gtk_list_store_new (3, |
---|
804 | GDK_TYPE_PIXBUF, |
---|
805 | G_TYPE_STRING, |
---|
806 | G_TYPE_POINTER); |
---|
807 | gtk_tree_view_set_model (GTK_TREE_VIEW (widget->priv->treeview), model); |
---|
808 | |
---|
809 | column = gtk_tree_view_column_new_with_attributes ("Icon", |
---|
810 | gtk_cell_renderer_pixbuf_new (), |
---|
811 | "pixbuf", CHOOSER_LIST_ICON_COLUMN, |
---|
812 | NULL); |
---|
813 | gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->treeview), column); |
---|
814 | |
---|
815 | column = gtk_tree_view_column_new_with_attributes ("Hostname", |
---|
816 | gtk_cell_renderer_text_new (), |
---|
817 | "markup", CHOOSER_LIST_LABEL_COLUMN, |
---|
818 | NULL); |
---|
819 | gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->treeview), column); |
---|
820 | |
---|
821 | gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (model), |
---|
822 | CHOOSER_LIST_LABEL_COLUMN, |
---|
823 | GTK_SORT_ASCENDING); |
---|
824 | } |
---|
825 | |
---|
826 | static void |
---|
827 | gdm_host_chooser_widget_finalize (GObject *object) |
---|
828 | { |
---|
829 | GdmHostChooserWidget *host_chooser_widget; |
---|
830 | |
---|
831 | g_return_if_fail (object != NULL); |
---|
832 | g_return_if_fail (GDM_IS_HOST_CHOOSER_WIDGET (object)); |
---|
833 | |
---|
834 | host_chooser_widget = GDM_HOST_CHOOSER_WIDGET (object); |
---|
835 | |
---|
836 | g_return_if_fail (host_chooser_widget->priv != NULL); |
---|
837 | |
---|
838 | G_OBJECT_CLASS (gdm_host_chooser_widget_parent_class)->finalize (object); |
---|
839 | } |
---|
840 | |
---|
841 | GtkWidget * |
---|
842 | gdm_host_chooser_widget_new (int kind_mask) |
---|
843 | { |
---|
844 | GObject *object; |
---|
845 | |
---|
846 | object = g_object_new (GDM_TYPE_HOST_CHOOSER_WIDGET, |
---|
847 | "kind-mask", kind_mask, |
---|
848 | NULL); |
---|
849 | |
---|
850 | return GTK_WIDGET (object); |
---|
851 | } |
---|