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 17 package com.android.internal.net; 18 19 import android.app.PendingIntent; 20 import android.compat.annotation.UnsupportedAppUsage; 21 import android.content.ComponentName; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.content.pm.PackageManager; 25 import android.content.pm.PackageManager.NameNotFoundException; 26 import android.content.pm.ResolveInfo; 27 import android.content.res.Resources; 28 import android.net.IpPrefix; 29 import android.net.LinkAddress; 30 import android.net.Network; 31 import android.net.ProxyInfo; 32 import android.net.RouteInfo; 33 import android.os.Parcel; 34 import android.os.Parcelable; 35 import android.os.UserHandle; 36 37 import java.net.Inet4Address; 38 import java.net.InetAddress; 39 import java.util.ArrayList; 40 import java.util.Arrays; 41 import java.util.List; 42 43 /** 44 * A simple container used to carry information in VpnBuilder, VpnDialogs, 45 * and com.android.server.connectivity.Vpn. Internal use only. 46 * 47 * @hide 48 */ 49 public class VpnConfig implements Parcelable { 50 51 public static final String SERVICE_INTERFACE = "android.net.VpnService"; 52 53 public static final String DIALOGS_PACKAGE = "com.android.vpndialogs"; 54 55 // TODO: Rename this to something that encompasses Settings-based Platform VPNs as well. 56 public static final String LEGACY_VPN = "[Legacy VPN]"; 57 getIntentForConfirmation()58 public static Intent getIntentForConfirmation() { 59 Intent intent = new Intent(); 60 ComponentName componentName = ComponentName.unflattenFromString( 61 Resources.getSystem().getString( 62 com.android.internal.R.string.config_customVpnConfirmDialogComponent)); 63 intent.setClassName(componentName.getPackageName(), componentName.getClassName()); 64 return intent; 65 } 66 67 /** NOTE: This should only be used for legacy VPN. */ getIntentForStatusPanel(Context context)68 public static PendingIntent getIntentForStatusPanel(Context context) { 69 Intent intent = new Intent(); 70 intent.setClassName(DIALOGS_PACKAGE, DIALOGS_PACKAGE + ".ManageDialog"); 71 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_HISTORY | 72 Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 73 return PendingIntent.getActivityAsUser(context, 0 /* requestCode */, intent, 74 PendingIntent.FLAG_IMMUTABLE, null /* options */, UserHandle.CURRENT); 75 } 76 getVpnLabel(Context context, String packageName)77 public static CharSequence getVpnLabel(Context context, String packageName) 78 throws NameNotFoundException { 79 PackageManager pm = context.getPackageManager(); 80 Intent intent = new Intent(SERVICE_INTERFACE); 81 intent.setPackage(packageName); 82 List<ResolveInfo> services = pm.queryIntentServices(intent, 0 /* flags */); 83 if (services != null && services.size() == 1) { 84 // This app contains exactly one VPN service. Call loadLabel, which will attempt to 85 // load the service's label, and fall back to the app label if none is present. 86 return services.get(0).loadLabel(pm); 87 } else { 88 return pm.getApplicationInfo(packageName, 0).loadLabel(pm); 89 } 90 } 91 92 public String user; 93 public String interfaze; 94 public String session; 95 public int mtu = -1; 96 public List<LinkAddress> addresses = new ArrayList<LinkAddress>(); 97 public List<RouteInfo> routes = new ArrayList<RouteInfo>(); 98 public List<String> dnsServers; 99 public List<String> searchDomains; 100 public List<String> allowedApplications; 101 public List<String> disallowedApplications; 102 public PendingIntent configureIntent; 103 public long startTime = -1; 104 public boolean legacy; 105 public boolean blocking; 106 public boolean allowBypass; 107 public boolean allowIPv4; 108 public boolean allowIPv6; 109 public boolean isMetered = true; 110 public Network[] underlyingNetworks; 111 public ProxyInfo proxyInfo; 112 113 @UnsupportedAppUsage VpnConfig()114 public VpnConfig() { 115 } 116 updateAllowedFamilies(InetAddress address)117 public void updateAllowedFamilies(InetAddress address) { 118 if (address instanceof Inet4Address) { 119 allowIPv4 = true; 120 } else { 121 allowIPv6 = true; 122 } 123 } 124 addLegacyRoutes(String routesStr)125 public void addLegacyRoutes(String routesStr) { 126 if (routesStr.trim().equals("")) { 127 return; 128 } 129 String[] routes = routesStr.trim().split(" "); 130 for (String route : routes) { 131 //each route is ip/prefix 132 RouteInfo info = new RouteInfo(new IpPrefix(route), null, null, RouteInfo.RTN_UNICAST); 133 this.routes.add(info); 134 updateAllowedFamilies(info.getDestination().getAddress()); 135 } 136 } 137 addLegacyAddresses(String addressesStr)138 public void addLegacyAddresses(String addressesStr) { 139 if (addressesStr.trim().equals("")) { 140 return; 141 } 142 String[] addresses = addressesStr.trim().split(" "); 143 for (String address : addresses) { 144 //each address is ip/prefix 145 LinkAddress addr = new LinkAddress(address); 146 this.addresses.add(addr); 147 updateAllowedFamilies(addr.getAddress()); 148 } 149 } 150 151 @Override describeContents()152 public int describeContents() { 153 return 0; 154 } 155 156 @Override writeToParcel(Parcel out, int flags)157 public void writeToParcel(Parcel out, int flags) { 158 out.writeString(user); 159 out.writeString(interfaze); 160 out.writeString(session); 161 out.writeInt(mtu); 162 out.writeTypedList(addresses); 163 out.writeTypedList(routes); 164 out.writeStringList(dnsServers); 165 out.writeStringList(searchDomains); 166 out.writeStringList(allowedApplications); 167 out.writeStringList(disallowedApplications); 168 out.writeParcelable(configureIntent, flags); 169 out.writeLong(startTime); 170 out.writeInt(legacy ? 1 : 0); 171 out.writeInt(blocking ? 1 : 0); 172 out.writeInt(allowBypass ? 1 : 0); 173 out.writeInt(allowIPv4 ? 1 : 0); 174 out.writeInt(allowIPv6 ? 1 : 0); 175 out.writeInt(isMetered ? 1 : 0); 176 out.writeTypedArray(underlyingNetworks, flags); 177 out.writeParcelable(proxyInfo, flags); 178 } 179 180 public static final Parcelable.Creator<VpnConfig> CREATOR = 181 new Parcelable.Creator<VpnConfig>() { 182 @Override 183 public VpnConfig createFromParcel(Parcel in) { 184 VpnConfig config = new VpnConfig(); 185 config.user = in.readString(); 186 config.interfaze = in.readString(); 187 config.session = in.readString(); 188 config.mtu = in.readInt(); 189 in.readTypedList(config.addresses, LinkAddress.CREATOR); 190 in.readTypedList(config.routes, RouteInfo.CREATOR); 191 config.dnsServers = in.createStringArrayList(); 192 config.searchDomains = in.createStringArrayList(); 193 config.allowedApplications = in.createStringArrayList(); 194 config.disallowedApplications = in.createStringArrayList(); 195 config.configureIntent = in.readParcelable(null); 196 config.startTime = in.readLong(); 197 config.legacy = in.readInt() != 0; 198 config.blocking = in.readInt() != 0; 199 config.allowBypass = in.readInt() != 0; 200 config.allowIPv4 = in.readInt() != 0; 201 config.allowIPv6 = in.readInt() != 0; 202 config.isMetered = in.readInt() != 0; 203 config.underlyingNetworks = in.createTypedArray(Network.CREATOR); 204 config.proxyInfo = in.readParcelable(null); 205 return config; 206 } 207 208 @Override 209 public VpnConfig[] newArray(int size) { 210 return new VpnConfig[size]; 211 } 212 }; 213 214 @Override toString()215 public String toString() { 216 return new StringBuilder() 217 .append("VpnConfig") 218 .append("{ user=").append(user) 219 .append(", interface=").append(interfaze) 220 .append(", session=").append(session) 221 .append(", mtu=").append(mtu) 222 .append(", addresses=").append(toString(addresses)) 223 .append(", routes=").append(toString(routes)) 224 .append(", dns=").append(toString(dnsServers)) 225 .append(", searchDomains=").append(toString(searchDomains)) 226 .append(", allowedApps=").append(toString(allowedApplications)) 227 .append(", disallowedApps=").append(toString(disallowedApplications)) 228 .append(", configureIntent=").append(configureIntent) 229 .append(", startTime=").append(startTime) 230 .append(", legacy=").append(legacy) 231 .append(", blocking=").append(blocking) 232 .append(", allowBypass=").append(allowBypass) 233 .append(", allowIPv4=").append(allowIPv4) 234 .append(", allowIPv6=").append(allowIPv6) 235 .append(", underlyingNetworks=").append(Arrays.toString(underlyingNetworks)) 236 .append(", proxyInfo=").append(proxyInfo) 237 .append("}") 238 .toString(); 239 } 240 toString(List<T> ls)241 static <T> String toString(List<T> ls) { 242 if (ls == null) { 243 return "null"; 244 } 245 return Arrays.toString(ls.toArray()); 246 } 247 } 248