summaryrefslogtreecommitdiff
path: root/plugins/nmcompat.c
blob: 274baab48365733e44b037383863a4a3dcf847f0 (plain)
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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
/*
 *
 *  Connection Manager
 *
 *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gdbus.h>

#define CONNMAN_API_SUBJECT_TO_CHANGE
#include <connman/plugin.h>
#include <connman/log.h>
#include <connman/notifier.h>
#include <connman/dbus.h>

enum {
	NM_STATE_UNKNOWN          = 0,
	NM_STATE_ASLEEP           = 10,
	NM_STATE_DISCONNECTED     = 20,
	NM_STATE_DISCONNECTING    = 30,
	NM_STATE_CONNECTING       = 40,
	NM_STATE_CONNECTED_LOCAL  = 50,
	NM_STATE_CONNECTED_SITE   = 60,
	NM_STATE_CONNECTED_GLOBAL = 70
};

#define NM_SERVICE    "org.freedesktop.NetworkManager"
#define NM_PATH       "/org/freedesktop/NetworkManager"
#define NM_INTERFACE  NM_SERVICE

#define DBUS_PROPERTIES_INTERFACE	"org.freedesktop.DBus.Properties"

static DBusConnection *connection = NULL;
static struct connman_service *current_service = NULL;
static dbus_uint32_t nm_state = NM_STATE_UNKNOWN;

static void state_changed(dbus_uint32_t state)
{
	DBusMessage *signal;

	DBG("state %d", state);

	signal = dbus_message_new_signal(NM_PATH, NM_INTERFACE,
						"StateChanged");
	if (!signal)
		return;

	dbus_message_append_args(signal, DBUS_TYPE_UINT32, &state,
						DBUS_TYPE_INVALID);

	g_dbus_send_message(connection, signal);
}

static void properties_changed(dbus_uint32_t state)
{
	const char *key = "State";
	DBusMessageIter iter, dict, dict_entry, dict_val;
	DBusMessage *signal;

	DBG("state %d", state);

	signal = dbus_message_new_signal(NM_PATH, NM_INTERFACE,
						"PropertiesChanged");
	if (!signal)
		return;

	dbus_message_iter_init_append(signal, &iter);

	dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
					DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
					DBUS_TYPE_STRING_AS_STRING
					DBUS_TYPE_VARIANT_AS_STRING
					DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
					&dict);

	dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
							NULL, &dict_entry);

	dbus_message_iter_append_basic(&dict_entry, DBUS_TYPE_STRING, &key);

	dbus_message_iter_open_container(&dict_entry, DBUS_TYPE_VARIANT,
					DBUS_TYPE_UINT32_AS_STRING, &dict_val);

	dbus_message_iter_append_basic(&dict_val, DBUS_TYPE_UINT32, &state);

	dbus_message_iter_close_container(&dict_entry, &dict_val);
	dbus_message_iter_close_container(&dict, &dict_entry);
	dbus_message_iter_close_container(&iter, &dict);

	g_dbus_send_message(connection, signal);
}

static void default_changed(struct connman_service *service)
{
	DBG("service %p", service);

	if (!service)
		nm_state = NM_STATE_DISCONNECTED;
	else
		nm_state = NM_STATE_CONNECTED_LOCAL;

	state_changed(nm_state);
	properties_changed(nm_state);

	current_service = service;
}

static void service_state_changed(struct connman_service *service,
					enum connman_service_state state)
{
	DBG("service %p state %d", service, state);

	if (!current_service || current_service != service)
		return;

	switch (state) {
	case CONNMAN_SERVICE_STATE_UNKNOWN:
		nm_state = NM_STATE_UNKNOWN;
		break;
	case CONNMAN_SERVICE_STATE_FAILURE:
	case CONNMAN_SERVICE_STATE_IDLE:
		nm_state = NM_STATE_DISCONNECTED;
		break;
	case CONNMAN_SERVICE_STATE_ASSOCIATION:
	case CONNMAN_SERVICE_STATE_CONFIGURATION:
		nm_state = NM_STATE_CONNECTING;
		break;
	case CONNMAN_SERVICE_STATE_READY:
		nm_state = NM_STATE_CONNECTED_LOCAL;
		break;
	case CONNMAN_SERVICE_STATE_ONLINE:
		nm_state = NM_STATE_CONNECTED_GLOBAL;
		break;
	case CONNMAN_SERVICE_STATE_DISCONNECT:
		nm_state = NM_STATE_DISCONNECTING;
		break;
	}

	state_changed(nm_state);
	properties_changed(nm_state);
}

static void offline_mode(bool enabled)
{
	DBG("enabled %d", enabled);

	if (enabled)
		nm_state = NM_STATE_ASLEEP;
	else
		nm_state = NM_STATE_DISCONNECTED;

	state_changed(nm_state);
	properties_changed(nm_state);

	current_service = NULL;
}

static const struct connman_notifier notifier = {
	.name			= "nmcompat",
	.priority		= CONNMAN_NOTIFIER_PRIORITY_DEFAULT,
	.default_changed	= default_changed,
	.service_state_changed	= service_state_changed,
	.offline_mode		= offline_mode,
};

static DBusMessage *property_get(DBusConnection *conn,
					DBusMessage *msg, void *data)
{
	const char *interface, *key;

	dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &interface,
				DBUS_TYPE_STRING, &key, DBUS_TYPE_INVALID);

	DBG("interface %s property %s", interface, key);

	if (!g_str_equal(interface, NM_INTERFACE))
		return dbus_message_new_error(msg, DBUS_ERROR_FAILED,
						"Unsupported interface");

	if (g_str_equal(key, "State")) {
		DBusMessage *reply;
		DBusMessageIter iter, value;

		DBG("state %d", nm_state);

		reply = dbus_message_new_method_return(msg);
		if (!reply)
			return NULL;

		dbus_message_iter_init_append(reply, &iter);

		dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
					DBUS_TYPE_UINT32_AS_STRING, &value);
		dbus_message_iter_append_basic(&value,
						DBUS_TYPE_UINT32, &nm_state);
		dbus_message_iter_close_container(&iter, &value);

		return reply;
	}

	return dbus_message_new_error(msg, DBUS_ERROR_FAILED,
						"Unsupported property");
}

static const GDBusMethodTable methods[] = {
	{ GDBUS_METHOD("Get",
			GDBUS_ARGS({ "interface", "s" }, { "key", "s" }),
			GDBUS_ARGS({ "property", "v" }), property_get) },
	{ },
};

static const GDBusSignalTable signals[] = {
	{ GDBUS_SIGNAL("PropertiesChanged",
			GDBUS_ARGS({ "properties", "a{sv}" })) },
	{ GDBUS_SIGNAL("StateChanged",
			GDBUS_ARGS({ "state", "u" })) },
	{ },
};

static int nmcompat_init(void)
{
	DBG("");

	connection = connman_dbus_get_connection();
	if (!connection)
		return -1;

	if (!g_dbus_request_name(connection, NM_SERVICE, NULL)) {
		connman_error("nmcompat: failed to register service");
		return -1;
	}

	if (connman_notifier_register(&notifier) < 0) {
		connman_error("nmcompat: failed to register notifier");
		return -1;
	}

	if (!g_dbus_register_interface(connection, NM_PATH,
					DBUS_PROPERTIES_INTERFACE, methods,
					signals, NULL, NULL, NULL)) {
		connman_error("nmcompat: failed to register "
						DBUS_PROPERTIES_INTERFACE);
		return -1;
	}

	return 0;
}

static void nmcompat_exit(void)
{
	DBG("");

	connman_notifier_unregister(&notifier);

	if (!connection)
		return;

	g_dbus_unregister_interface(connection, NM_PATH,
					DBUS_PROPERTIES_INTERFACE);

	dbus_connection_unref(connection);
}

CONNMAN_PLUGIN_DEFINE(nmcompat, "NetworkManager compatibility interfaces",
			VERSION, CONNMAN_PLUGIN_PRIORITY_DEFAULT,
			nmcompat_init, nmcompat_exit)