1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2012 Red Hat, Inc.
Red Hat Authors:
Hans de Goede <hdegoede@redhat.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib-object.h>
#ifdef USE_DBUS
#include <dbus/dbus-glib.h>
#endif
#include "glib-compat.h"
#include "spice-session-priv.h"
#include "desktop-integration.h"
#include <glib/gi18n.h>
#define GNOME_SESSION_INHIBIT_AUTOMOUNT 16
/* ------------------------------------------------------------------ */
/* gobject glue */
#define SPICE_DESKTOP_INTEGRATION_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), SPICE_TYPE_DESKTOP_INTEGRATION, SpiceDesktopIntegrationPrivate))
struct _SpiceDesktopIntegrationPrivate {
#ifdef USE_DBUS
DBusGConnection *dbus_conn;
DBusGProxy *gnome_session_proxy;
guint gnome_automount_inhibit_cookie;
#else
int dummy;
#endif
};
G_DEFINE_TYPE(SpiceDesktopIntegration, spice_desktop_integration, G_TYPE_OBJECT);
/* ------------------------------------------------------------------ */
/* Gnome specific code */
#ifdef USE_DBUS
static void handle_dbus_call_error(const char *call, GError **_error)
{
GError *error = *_error;
const char *message = error->message;
if (error->domain == DBUS_GERROR &&
error->code == DBUS_GERROR_REMOTE_EXCEPTION)
message = dbus_g_error_get_name(error);
g_warning("Error calling '%s': %s", call, message);
g_clear_error(_error);
}
static gboolean gnome_integration_init(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
if (!priv->dbus_conn)
return FALSE;
/* We use for_name_owner, to resolve the name now, as we may not be
running under gnome-session manager at all! */
priv->gnome_session_proxy = dbus_g_proxy_new_for_name_owner(
priv->dbus_conn,
"org.gnome.SessionManager",
"/org/gnome/SessionManager",
"org.gnome.SessionManager",
&error);
if (error) {
g_debug("Could not create org.gnome.SessionManager dbus proxy: %s",
error->message);
g_clear_error(&error);
return FALSE;
}
return TRUE;
}
static void gnome_integration_inhibit_automount(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
if (!priv->gnome_session_proxy)
return;
g_return_if_fail(priv->gnome_automount_inhibit_cookie == 0);
if (!dbus_g_proxy_call(
priv->gnome_session_proxy, "Inhibit", &error,
G_TYPE_STRING, g_get_prgname(),
G_TYPE_UINT, 0,
G_TYPE_STRING,
_("Automounting has been inhibited for USB auto-redirecting"),
G_TYPE_UINT, GNOME_SESSION_INHIBIT_AUTOMOUNT,
G_TYPE_INVALID,
G_TYPE_UINT, &priv->gnome_automount_inhibit_cookie,
G_TYPE_INVALID))
handle_dbus_call_error("org.gnome.SessionManager.Inhibit", &error);
}
static void gnome_integration_uninhibit_automount(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
if (!priv->gnome_session_proxy)
return;
/* Cookie is 0 when we failed to inhibit (and when called from dispose) */
if (priv->gnome_automount_inhibit_cookie == 0)
return;
if (!dbus_g_proxy_call(
priv->gnome_session_proxy, "Uninhibit", &error,
G_TYPE_UINT, priv->gnome_automount_inhibit_cookie,
G_TYPE_INVALID,
G_TYPE_INVALID))
handle_dbus_call_error("org.gnome.SessionManager.Uninhibit", &error);
priv->gnome_automount_inhibit_cookie = 0;
}
static void gnome_integration_dispose(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
g_clear_object(&priv->gnome_session_proxy);
}
#endif
/* ------------------------------------------------------------------ */
/* gobject glue */
static void spice_desktop_integration_init(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv;
#ifdef USE_DBUS
GError *error = NULL;
#endif
priv = SPICE_DESKTOP_INTEGRATION_GET_PRIVATE(self);
self->priv = priv;
#ifdef USE_DBUS
priv->dbus_conn = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (!priv->dbus_conn) {
g_warning("Error connecting to session dbus: %s", error->message);
g_clear_error(&error);
}
if (!gnome_integration_init(self))
#endif
g_warning("Warning no automount-inhibiting implementation available");
}
static void spice_desktop_integration_dispose(GObject *gobject)
{
#ifdef USE_DBUS
SpiceDesktopIntegration *self = SPICE_DESKTOP_INTEGRATION(gobject);
gnome_integration_dispose(self);
#endif
/* Chain up to the parent class */
if (G_OBJECT_CLASS(spice_desktop_integration_parent_class)->dispose)
G_OBJECT_CLASS(spice_desktop_integration_parent_class)->dispose(gobject);
}
static void spice_desktop_integration_class_init(SpiceDesktopIntegrationClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->dispose = spice_desktop_integration_dispose;
g_type_class_add_private(klass, sizeof(SpiceDesktopIntegrationPrivate));
}
/* ------------------------------------------------------------------ */
/* public methods */
SpiceDesktopIntegration *spice_desktop_integration_get(SpiceSession *session)
{
SpiceDesktopIntegration *self;
static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
g_return_val_if_fail(session != NULL, NULL);
g_static_mutex_lock(&mutex);
self = session->priv->desktop_integration;
if (self == NULL) {
self = g_object_new(SPICE_TYPE_DESKTOP_INTEGRATION, NULL);
session->priv->desktop_integration = self;
}
g_static_mutex_unlock(&mutex);
return self;
}
void spice_desktop_integration_inhibit_automount(SpiceDesktopIntegration *self)
{
#ifdef USE_DBUS
gnome_integration_inhibit_automount(self);
#endif
}
void spice_desktop_integration_uninhibit_automount(SpiceDesktopIntegration *self)
{
#ifdef USE_DBUS
gnome_integration_uninhibit_automount(self);
#endif
}
|
