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
|
/*
* Copyright (C) 2009, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.vpn;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
/**
* A helper class for sending commands to the MTP daemon (mtpd).
*/
class MtpdHelper {
private static final String MTPD_SERVICE = "mtpd";
private static final String VPN_LINKNAME = "vpn";
private static final String PPP_ARGS_SEPARATOR = "";
static void sendCommand(VpnService<?> vpnService, String protocol,
String serverIp, String port, String secret, String username,
String password) throws IOException {
ArrayList<String> args = new ArrayList<String>();
args.addAll(Arrays.asList(protocol, serverIp, port));
if (secret != null) args.add(secret);
args.add(PPP_ARGS_SEPARATOR);
addPppArguments(vpnService, args, serverIp, username, password);
AndroidServiceProxy mtpd = vpnService.startService(MTPD_SERVICE);
mtpd.sendCommand(args.toArray(new String[args.size()]));
}
private static void addPppArguments(VpnService<?> vpnService,
ArrayList<String> args, String serverIp, String username,
String password) throws IOException {
args.addAll(Arrays.asList(
"linkname", VPN_LINKNAME,
"name", username,
"password", password,
"ipparam", serverIp + "@" + vpnService.getGatewayIp(),
"refuse-eap", "nodefaultroute", "usepeerdns",
"idle", "1800",
"mtu", "1400",
"mru", "1400"));
}
private MtpdHelper() {
}
}
|
