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
|
/*
* 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 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
* Copyright 2018 Javier Arteaga <jarteaga@jbeta.is>
*/
#include "nm-default.h"
#include "nm-device-wireguard.h"
#include "nm-device-private.h"
#include "platform/nm-platform.h"
#include "nm-device-factory.h"
#include "nm-device-logging.h"
_LOG_DECLARE_SELF(NMDeviceWireGuard);
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE (NMDeviceWireGuard,
PROP_PUBLIC_KEY,
PROP_LISTEN_PORT,
PROP_FWMARK,
);
struct _NMDeviceWireGuard {
NMDevice parent;
NMPlatformLnkWireGuard props;
};
struct _NMDeviceWireGuardClass {
NMDeviceClass parent;
};
G_DEFINE_TYPE (NMDeviceWireGuard, nm_device_wireguard, NM_TYPE_DEVICE)
/******************************************************************/
static GVariant *
get_public_key_as_variant (const NMDeviceWireGuard *self)
{
return g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE,
self->props.public_key, sizeof (self->props.public_key), 1);
}
static void
update_properties (NMDevice *device)
{
NMDeviceWireGuard *self;
const NMPlatformLink *plink;
const NMPlatformLnkWireGuard *props = NULL;
int ifindex;
g_return_if_fail (NM_IS_DEVICE_WIREGUARD (device));
self = NM_DEVICE_WIREGUARD (device);
ifindex = nm_device_get_ifindex (device);
props = nm_platform_link_get_lnk_wireguard (nm_device_get_platform (device), ifindex, &plink);
if (!props) {
_LOGW (LOGD_PLATFORM, "could not get wireguard properties");
return;
}
g_object_freeze_notify (G_OBJECT (device));
#define CHECK_PROPERTY_CHANGED(field, prop) \
G_STMT_START { \
if (self->props.field != props->field) { \
self->props.field = props->field; \
_notify (self, prop); \
} \
} G_STMT_END
#define CHECK_PROPERTY_CHANGED_ARRAY(field, prop) \
G_STMT_START { \
if (memcmp (&self->props.field, &props->field, sizeof (props->field)) != 0) { \
memcpy (&self->props.field, &props->field, sizeof (props->field)); \
_notify (self, prop); \
} \
} G_STMT_END
CHECK_PROPERTY_CHANGED_ARRAY (public_key, PROP_PUBLIC_KEY);
CHECK_PROPERTY_CHANGED (listen_port, PROP_LISTEN_PORT);
CHECK_PROPERTY_CHANGED (fwmark, PROP_FWMARK);
g_object_thaw_notify (G_OBJECT (device));
}
static void
link_changed (NMDevice *device,
const NMPlatformLink *pllink)
{
NM_DEVICE_CLASS (nm_device_wireguard_parent_class)->link_changed (device, pllink);
update_properties (device);
}
/******************************************************************/
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMDeviceWireGuard *self = NM_DEVICE_WIREGUARD (object);
switch (prop_id) {
case PROP_PUBLIC_KEY:
g_value_take_variant (value, get_public_key_as_variant (self));
break;
case PROP_LISTEN_PORT:
g_value_set_uint (value, self->props.listen_port);
break;
case PROP_FWMARK:
g_value_set_uint (value, self->props.fwmark);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nm_device_wireguard_init (NMDeviceWireGuard *self)
{
}
static const NMDBusInterfaceInfoExtended interface_info_device_wireguard = {
.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT (
NM_DBUS_INTERFACE_DEVICE_WIREGUARD,
.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS (
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("PublicKey", "ay", NM_DEVICE_WIREGUARD_PUBLIC_KEY),
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("ListenPort", "q", NM_DEVICE_WIREGUARD_LISTEN_PORT),
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("FwMark", "u", NM_DEVICE_WIREGUARD_FWMARK),
),
),
};
static void
nm_device_wireguard_class_init (NMDeviceWireGuardClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS (klass);
NMDeviceClass *device_class = NM_DEVICE_CLASS (klass);
object_class->get_property = get_property;
dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS (&interface_info_device_wireguard);
device_class->connection_type_supported = NULL;
device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES (NM_LINK_TYPE_WIREGUARD);
device_class->link_changed = link_changed;
obj_properties[PROP_PUBLIC_KEY] =
g_param_spec_variant (NM_DEVICE_WIREGUARD_PUBLIC_KEY,
"", "",
G_VARIANT_TYPE ("ay"),
NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_LISTEN_PORT] =
g_param_spec_uint (NM_DEVICE_WIREGUARD_LISTEN_PORT,
"", "",
0, G_MAXUINT16, 0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_FWMARK] =
g_param_spec_uint (NM_DEVICE_WIREGUARD_FWMARK,
"", "",
0, G_MAXUINT32, 0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties);
}
/*************************************************************/
#define NM_TYPE_WIREGUARD_DEVICE_FACTORY (nm_wireguard_device_factory_get_type ())
#define NM_WIREGUARD_DEVICE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_WIREGUARD_DEVICE_FACTORY, NMWireGuardDeviceFactory))
static NMDevice *
create_device (NMDeviceFactory *factory,
const char *iface,
const NMPlatformLink *plink,
NMConnection *connection,
gboolean *out_ignore)
{
return (NMDevice *) g_object_new (NM_TYPE_DEVICE_WIREGUARD,
NM_DEVICE_IFACE, iface,
NM_DEVICE_TYPE_DESC, "WireGuard",
NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_WIREGUARD,
NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_WIREGUARD,
NULL);
}
NM_DEVICE_FACTORY_DEFINE_INTERNAL (WIREGUARD, WireGuard, wireguard,
NM_DEVICE_FACTORY_DECLARE_LINK_TYPES (NM_LINK_TYPE_WIREGUARD),
factory_class->create_device = create_device;
)
|
