1 /*
2  * Virt Viewer: A virtual machine console viewer
3  *
4  * Copyright (C) 2007-2012 Red Hat, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  * Author: Daniel P. Berrange <berrange@redhat.com>
21  */
22 
23 #include <config.h>
24 
25 #include <gtk/gtk.h>
26 #include <glib/gi18n.h>
27 #include <string.h>
28 
29 #ifdef HAVE_GTK_VNC
30 #include <vncdisplay.h>
31 #endif
32 
33 #include "virt-viewer-auth.h"
34 #include "virt-viewer-util.h"
35 
36 
37 struct _VirtViewerAuth
38 {
39     GtkDialog parent;
40     GtkWidget *credUsername;
41     GtkWidget *credPassword;
42     GtkWidget *promptUsername;
43     GtkWidget *promptPassword;
44     GtkWidget *message;
45 };
46 
G_DEFINE_TYPE(VirtViewerAuth,virt_viewer_auth,GTK_TYPE_DIALOG)47 G_DEFINE_TYPE(VirtViewerAuth, virt_viewer_auth, GTK_TYPE_DIALOG)
48 
49 static void
50 virt_viewer_auth_class_init(VirtViewerAuthClass *klass)
51 {
52     GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
53 
54     gtk_widget_class_set_template_from_resource(widget_class,
55                                                 VIRT_VIEWER_RESOURCE_PREFIX "/ui/virt-viewer-auth.ui");
56 
57     gtk_widget_class_bind_template_child(widget_class,
58                                          VirtViewerAuth,
59                                          message);
60     gtk_widget_class_bind_template_child(widget_class,
61                                          VirtViewerAuth,
62                                          credUsername);
63     gtk_widget_class_bind_template_child(widget_class,
64                                          VirtViewerAuth,
65                                          credPassword);
66     gtk_widget_class_bind_template_child(widget_class,
67                                          VirtViewerAuth,
68                                          promptUsername);
69     gtk_widget_class_bind_template_child(widget_class,
70                                          VirtViewerAuth,
71                                          promptPassword);
72 }
73 
74 static void
virt_viewer_auth_init(VirtViewerAuth * self)75 virt_viewer_auth_init(VirtViewerAuth *self)
76 {
77     gtk_widget_init_template(GTK_WIDGET(self));
78 
79     gtk_dialog_set_default_response(GTK_DIALOG(self), GTK_RESPONSE_OK);
80 }
81 
virt_viewer_auth_new(GtkWindow * parent)82 VirtViewerAuth *virt_viewer_auth_new(GtkWindow *parent)
83 {
84     return g_object_new(VIRT_VIEWER_TYPE_AUTH,
85                         "transient-for", parent,
86                         NULL);
87 }
88 
89 static void
show_password(GtkEntry * entry,GtkEntryIconPosition pos G_GNUC_UNUSED,GdkEvent event G_GNUC_UNUSED)90 show_password(GtkEntry *entry,
91               GtkEntryIconPosition pos G_GNUC_UNUSED,
92               GdkEvent event G_GNUC_UNUSED)
93 {
94     gboolean visible = gtk_entry_get_visibility(entry);
95     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(entry),
96                                       GTK_ENTRY_ICON_SECONDARY,
97                                       visible ?
98                                       "eye-not-looking-symbolic" :
99                                       "eye-open-negative-filled-symbolic");
100     gtk_entry_set_visibility(entry, !visible);
101 }
102 
103 /* NOTE: if username is provided, and *username is non-NULL, the user input
104  * field will be pre-filled with this value. The existing string will be freed
105  * before setting the output parameter to the user-entered value.
106  */
107 gboolean
virt_viewer_auth_collect_credentials(VirtViewerAuth * self,const char * type,const char * address,char ** username,char ** password)108 virt_viewer_auth_collect_credentials(VirtViewerAuth *self,
109                                      const char *type,
110                                      const char *address,
111                                      char **username,
112                                      char **password)
113 {
114     int response;
115     char *message;
116 
117     gtk_entry_set_text(GTK_ENTRY(self->credUsername), "");
118     gtk_entry_set_text(GTK_ENTRY(self->credPassword), "");
119     if (username) {
120         gtk_widget_show(self->credUsername);
121         gtk_widget_show(self->promptUsername);
122         if (*username) {
123             gtk_entry_set_text(GTK_ENTRY(self->credUsername), *username);
124             /* if username is pre-filled, move focus to password field */
125             if (password) {
126                 gtk_widget_grab_focus(self->credPassword);
127             }
128         }
129     } else {
130         gtk_widget_hide(self->credUsername);
131         gtk_widget_hide(self->promptUsername);
132     }
133     if (password) {
134         gtk_widget_show(self->credPassword);
135         gtk_widget_show(self->promptPassword);
136     } else {
137         gtk_widget_hide(self->credPassword);
138         gtk_widget_hide(self->promptPassword);
139     }
140 
141     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(self->credPassword),
142                                       GTK_ENTRY_ICON_SECONDARY,
143                                       "eye-not-looking-symbolic");
144     gtk_entry_set_icon_sensitive(GTK_ENTRY(self->credPassword),
145                                  GTK_ENTRY_ICON_SECONDARY,
146                                  TRUE);
147     gtk_entry_set_icon_activatable(GTK_ENTRY(self->credPassword),
148                                    GTK_ENTRY_ICON_SECONDARY,
149                                    TRUE);
150     gtk_entry_set_icon_tooltip_text(GTK_ENTRY(self->credPassword),
151                                     GTK_ENTRY_ICON_SECONDARY,
152                                     _("Show / hide password text"));
153 
154     g_signal_connect(self->credPassword, "icon-press",
155                      G_CALLBACK(show_password), NULL);
156 
157     if (address) {
158         message = g_strdup_printf(_("Authentication is required for the %s connection to:\n\n<b>%s</b>\n\n"),
159                                   type,
160                                   address);
161     } else {
162         message = g_strdup_printf(_("Authentication is required for the %s connection:\n"),
163                                   type);
164     }
165 
166     gtk_label_set_markup(GTK_LABEL(self->message), message);
167     g_free(message);
168 
169     gtk_widget_show(GTK_WIDGET(self));
170     response = gtk_dialog_run(GTK_DIALOG(self));
171     gtk_widget_hide(GTK_WIDGET(self));
172 
173     if (response == GTK_RESPONSE_OK) {
174         if (username) {
175             g_free(*username);
176             *username = g_strdup(gtk_entry_get_text(GTK_ENTRY(self->credUsername)));
177         }
178         if (password)
179             *password = g_strdup(gtk_entry_get_text(GTK_ENTRY(self->credPassword)));
180     }
181 
182     return response == GTK_RESPONSE_OK;
183 }
184