VpnConfig.java revision 0784eeab28da094a87437ed454fe3dca01b1f9f2 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.internal.net;
18
19import android.app.PendingIntent;
20import android.content.ComponentName;
21import android.content.Context;
22import android.content.Intent;
23import android.content.pm.PackageManager;
24import android.content.pm.PackageManager.NameNotFoundException;
25import android.content.pm.ResolveInfo;
26import android.content.res.Resources;
27import android.net.LinkAddress;
28import android.net.RouteInfo;
29import android.os.Parcel;
30import android.os.Parcelable;
31import android.os.UserHandle;
32
33import java.net.Inet4Address;
34import java.net.InetAddress;
35import java.util.ArrayList;
36import java.util.List;
37
38/**
39 * A simple container used to carry information in VpnBuilder, VpnDialogs,
40 * and com.android.server.connectivity.Vpn. Internal use only.
41 *
42 * @hide
43 */
44public class VpnConfig implements Parcelable {
45
46    public static final String SERVICE_INTERFACE = "android.net.VpnService";
47
48    public static final String DIALOGS_PACKAGE = "com.android.vpndialogs";
49
50    public static final String LEGACY_VPN = "[Legacy VPN]";
51
52    public static Intent getIntentForConfirmation() {
53        Intent intent = new Intent();
54        ComponentName componentName = ComponentName.unflattenFromString(
55                Resources.getSystem().getString(
56                        com.android.internal.R.string.config_customVpnConfirmDialogComponent));
57        intent.setClassName(componentName.getPackageName(), componentName.getClassName());
58        return intent;
59    }
60
61    /** NOTE: This should only be used for legacy VPN. */
62    public static PendingIntent getIntentForStatusPanel(Context context) {
63        Intent intent = new Intent();
64        intent.setClassName(DIALOGS_PACKAGE, DIALOGS_PACKAGE + ".ManageDialog");
65        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_HISTORY |
66                Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
67        return PendingIntent.getActivityAsUser(context, 0, intent, 0, null, UserHandle.CURRENT);
68    }
69
70    public static CharSequence getVpnLabel(Context context, String packageName)
71            throws NameNotFoundException {
72        PackageManager pm = context.getPackageManager();
73        Intent intent = new Intent(SERVICE_INTERFACE);
74        intent.setPackage(packageName);
75        List<ResolveInfo> services = pm.queryIntentServices(intent, 0 /* flags */);
76        if (services != null && services.size() == 1) {
77            // This app contains exactly one VPN service. Call loadLabel, which will attempt to
78            // load the service's label, and fall back to the app label if none is present.
79            return services.get(0).loadLabel(pm);
80        } else {
81            return pm.getApplicationInfo(packageName, 0).loadLabel(pm);
82        }
83    }
84
85    public String user;
86    public String interfaze;
87    public String session;
88    public int mtu = -1;
89    public List<LinkAddress> addresses = new ArrayList<LinkAddress>();
90    public List<RouteInfo> routes = new ArrayList<RouteInfo>();
91    public List<String> dnsServers;
92    public List<String> searchDomains;
93    public List<String> allowedApplications;
94    public List<String> disallowedApplications;
95    public PendingIntent configureIntent;
96    public long startTime = -1;
97    public boolean legacy;
98    public boolean blocking;
99    public boolean allowBypass;
100    public boolean allowIPv4;
101    public boolean allowIPv6;
102
103    public void updateAllowedFamilies(InetAddress address) {
104        if (address instanceof Inet4Address) {
105            allowIPv4 = true;
106        } else {
107            allowIPv6 = true;
108        }
109    }
110
111    public void addLegacyRoutes(String routesStr) {
112        if (routesStr.trim().equals("")) {
113            return;
114        }
115        String[] routes = routesStr.trim().split(" ");
116        for (String route : routes) {
117            //each route is ip/prefix
118            String[] split = route.split("/");
119            RouteInfo info = new RouteInfo(new LinkAddress
120                    (InetAddress.parseNumericAddress(split[0]), Integer.parseInt(split[1])), null);
121            this.routes.add(info);
122            updateAllowedFamilies(info.getDestination().getAddress());
123        }
124    }
125
126    public void addLegacyAddresses(String addressesStr) {
127        if (addressesStr.trim().equals("")) {
128            return;
129        }
130        String[] addresses = addressesStr.trim().split(" ");
131        for (String address : addresses) {
132            //each address is ip/prefix
133            String[] split = address.split("/");
134            LinkAddress addr = new LinkAddress(InetAddress.parseNumericAddress(split[0]),
135                    Integer.parseInt(split[1]));
136            this.addresses.add(addr);
137            updateAllowedFamilies(addr.getAddress());
138        }
139    }
140
141    @Override
142    public int describeContents() {
143        return 0;
144    }
145
146    @Override
147    public void writeToParcel(Parcel out, int flags) {
148        out.writeString(user);
149        out.writeString(interfaze);
150        out.writeString(session);
151        out.writeInt(mtu);
152        out.writeTypedList(addresses);
153        out.writeTypedList(routes);
154        out.writeStringList(dnsServers);
155        out.writeStringList(searchDomains);
156        out.writeStringList(allowedApplications);
157        out.writeStringList(disallowedApplications);
158        out.writeParcelable(configureIntent, flags);
159        out.writeLong(startTime);
160        out.writeInt(legacy ? 1 : 0);
161        out.writeInt(blocking ? 1 : 0);
162        out.writeInt(allowBypass ? 1 : 0);
163        out.writeInt(allowIPv4 ? 1 : 0);
164        out.writeInt(allowIPv6 ? 1 : 0);
165    }
166
167    public static final Parcelable.Creator<VpnConfig> CREATOR =
168            new Parcelable.Creator<VpnConfig>() {
169        @Override
170        public VpnConfig createFromParcel(Parcel in) {
171            VpnConfig config = new VpnConfig();
172            config.user = in.readString();
173            config.interfaze = in.readString();
174            config.session = in.readString();
175            config.mtu = in.readInt();
176            in.readTypedList(config.addresses, LinkAddress.CREATOR);
177            in.readTypedList(config.routes, RouteInfo.CREATOR);
178            config.dnsServers = in.createStringArrayList();
179            config.searchDomains = in.createStringArrayList();
180            config.allowedApplications = in.createStringArrayList();
181            config.disallowedApplications = in.createStringArrayList();
182            config.configureIntent = in.readParcelable(null);
183            config.startTime = in.readLong();
184            config.legacy = in.readInt() != 0;
185            config.blocking = in.readInt() != 0;
186            config.allowBypass = in.readInt() != 0;
187            config.allowIPv4 = in.readInt() != 0;
188            config.allowIPv6 = in.readInt() != 0;
189            return config;
190        }
191
192        @Override
193        public VpnConfig[] newArray(int size) {
194            return new VpnConfig[size];
195        }
196    };
197}
198