/*
* Copyright (C) 2011 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.internal.net;
import android.app.PendingIntent;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.net.IpPrefix;
import android.net.LinkAddress;
import android.net.Network;
import android.net.RouteInfo;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.UserHandle;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.List;
/**
* A simple container used to carry information in VpnBuilder, VpnDialogs,
* and com.android.server.connectivity.Vpn. Internal use only.
*
* @hide
*/
public class VpnConfig implements Parcelable {
public static final String SERVICE_INTERFACE = "android.net.VpnService";
public static final String DIALOGS_PACKAGE = "com.android.vpndialogs";
public static final String LEGACY_VPN = "[Legacy VPN]";
public static Intent getIntentForConfirmation() {
Intent intent = new Intent();
ComponentName componentName = ComponentName.unflattenFromString(
Resources.getSystem().getString(
com.android.internal.R.string.config_customVpnConfirmDialogComponent));
intent.setClassName(componentName.getPackageName(), componentName.getClassName());
return intent;
}
/** NOTE: This should only be used for legacy VPN. */
public static PendingIntent getIntentForStatusPanel(Context context) {
Intent intent = new Intent();
intent.setClassName(DIALOGS_PACKAGE, DIALOGS_PACKAGE + ".ManageDialog");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_HISTORY |
Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
return PendingIntent.getActivityAsUser(context, 0, intent, 0, null, UserHandle.CURRENT);
}
public static CharSequence getVpnLabel(Context context, String packageName)
throws NameNotFoundException {
PackageManager pm = context.getPackageManager();
Intent intent = new Intent(SERVICE_INTERFACE);
intent.setPackage(packageName);
List<ResolveInfo> services = pm.queryIntentServices(intent, 0 /* flags */);
if (services != null && services.size() == 1) {
// This app contains exactly one VPN service. Call loadLabel, which will attempt to
// load the service's label, and fall back to the app label if none is present.
return services.get(0).loadLabel(pm);
} else {
return pm.getApplicationInfo(packageName, 0).loadLabel(pm);
}
}
public String user;
public String interfaze;
public String session;
public int mtu = -1;
public List<LinkAddress> addresses = new ArrayList<LinkAddress>();
public List<RouteInfo> routes = new ArrayList<RouteInfo>();
public List<String> dnsServers;
public List<String> searchDomains;
public List<String> allowedApplications;
public List<String> disallowedApplications;
public PendingIntent configureIntent;
public long startTime = -1;
public boolean legacy;
public boolean blocking;
public boolean allowBypass;
public boolean allowIPv4;
public boolean allowIPv6;
public Network[] underlyingNetworks;
public void updateAllowedFamilies(InetAddress address) {
if (address instanceof Inet4Address) {
allowIPv4 = true;
} else {
allowIPv6 = true;
}
}
public void addLegacyRoutes(String routesStr) {
if (routesStr.trim().equals("")) {
return;
}
String[] routes = routesStr.trim().split(" ");
for (String route : routes) {
//each route is ip/prefix
RouteInfo info = new RouteInfo(new IpPrefix(route), null);
this.routes.add(info);
updateAllowedFamilies(info.getDestination().getAddress());
}
}
public void addLegacyAddresses(String addressesStr) {
if (addressesStr.trim().equals("")) {
return;
}
String[] addresses = addressesStr.trim().split(" ");
for (String address : addresses) {
//each address is ip/prefix
LinkAddress addr = new LinkAddress(address);
this.addresses.add(addr);
updateAllowedFamilies(addr.getAddress());
}
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeString(user);
out.writeString(interfaze);
out.writeString(session);
out.writeInt(mtu);
out.writeTypedList(addresses);
out.writeTypedList(routes);
out.writeStringList(dnsServers);
out.writeStringList(searchDomains);
out.writeStringList(allowedApplications);
out.writeStringList(disallowedApplications);
out.writeParcelable(configureIntent, flags);
out.writeLong(startTime);
out.writeInt(legacy ? 1 : 0);
out.writeInt(blocking ? 1 : 0);
out.writeInt(allowBypass ? 1 : 0);
out.writeInt(allowIPv4 ? 1 : 0);
out.writeInt(allowIPv6 ? 1 : 0);
out.writeTypedArray(underlyingNetworks, flags);
}
public static final Parcelable.Creator<VpnConfig> CREATOR =
new Parcelable.Creator<VpnConfig>() {
@Override
public VpnConfig createFromParcel(Parcel in) {
VpnConfig config = new VpnConfig();
config.user = in.readString();
config.interfaze = in.readString();
config.session = in.readString();
config.mtu = in.readInt();
in.readTypedList(config.addresses, LinkAddress.CREATOR);
in.readTypedList(config.routes, RouteInfo.CREATOR);
config.dnsServers = in.createStringArrayList();
config.searchDomains = in.createStringArrayList();
config.allowedApplications = in.createStringArrayList();
config.disallowedApplications = in.createStringArrayList();
config.configureIntent = in.readParcelable(null);
config.startTime = in.readLong();
config.legacy = in.readInt() != 0;
config.blocking = in.readInt() != 0;
config.allowBypass = in.readInt() != 0;
config.allowIPv4 = in.readInt() != 0;
config.allowIPv6 = in.readInt() != 0;
config.underlyingNetworks = in.createTypedArray(Network.CREATOR);
return config;
}
@Override
public VpnConfig[] newArray(int size) {
return new VpnConfig[size];
}
};
}