am 3b03916d: am c7a86e90: am c70348c1: am 496a9d26: Merge "Stop supporting legacy ConnectivityManager routing methods in M." into mnc-dev

* commit '3b03916de7d1d2c91d5d8c9d1f0f555814a9242f':
  Stop supporting legacy ConnectivityManager routing methods in M.
This commit is contained in:
Lorenzo Colitti
2015-07-31 05:43:26 +00:00
committed by Android Git Automerger
3 changed files with 74 additions and 5 deletions

View File

@ -220,11 +220,12 @@ final class SystemServiceRegistry {
SYSTEM_SERVICE_NAMES.put(android.text.ClipboardManager.class, Context.CLIPBOARD_SERVICE);
registerService(Context.CONNECTIVITY_SERVICE, ConnectivityManager.class,
new StaticServiceFetcher<ConnectivityManager>() {
new StaticOuterContextServiceFetcher<ConnectivityManager>() {
@Override
public ConnectivityManager createService() {
public ConnectivityManager createService(Context context) {
IBinder b = ServiceManager.getService(Context.CONNECTIVITY_SERVICE);
return new ConnectivityManager(IConnectivityManager.Stub.asInterface(b));
IConnectivityManager service = IConnectivityManager.Stub.asInterface(b);
return new ConnectivityManager(context, service);
}});
registerService(Context.COUNTRY_DETECTOR, CountryDetector.class,
@ -793,4 +794,30 @@ final class SystemServiceRegistry {
public abstract T createService();
}
/**
* Like StaticServiceFetcher, creates only one instance of the service per process, but when
* creating the service for the first time, passes it the outer context of the creating
* component.
*
* TODO: Is this safe in the case where multiple applications share the same process?
* TODO: Delete this once its only user (ConnectivityManager) is known to work well in the
* case where multiple application components each have their own ConnectivityManager object.
*/
static abstract class StaticOuterContextServiceFetcher<T> implements ServiceFetcher<T> {
private T mCachedInstance;
@Override
public final T getService(ContextImpl ctx) {
synchronized (StaticOuterContextServiceFetcher.this) {
if (mCachedInstance == null) {
mCachedInstance = createService(ctx.getOuterContext());
}
return mCachedInstance;
}
}
public abstract T createService(Context applicationContext);
}
}

View File

@ -22,6 +22,7 @@ import android.annotation.SdkConstant.SdkConstantType;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.NetworkUtils;
import android.os.Binder;
import android.os.Build.VERSION_CODES;
@ -33,6 +34,7 @@ import android.os.INetworkManagementService;
import android.os.Looper;
import android.os.Message;
import android.os.Messenger;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.provider.Settings;
@ -490,6 +492,8 @@ public class ConnectivityManager {
*/
private static ConnectivityManager sInstance;
private final Context mContext;
private INetworkManagementService mNMService;
/**
@ -892,8 +896,11 @@ public class ConnectivityManager {
*
* @deprecated Deprecated in favor of the cleaner
* {@link #requestNetwork(NetworkRequest, NetworkCallback)} API.
* In {@link VERSION_CODES#MNC}, and above, this method is unsupported and will
* throw {@code UnsupportedOperationException} if called.
*/
public int startUsingNetworkFeature(int networkType, String feature) {
checkLegacyRoutingApiAccess();
NetworkCapabilities netCap = networkCapabilitiesForFeature(networkType, feature);
if (netCap == null) {
Log.d(TAG, "Can't satisfy startUsingNetworkFeature for " + networkType + ", " +
@ -939,8 +946,11 @@ public class ConnectivityManager {
* always indicates failure.
*
* @deprecated Deprecated in favor of the cleaner {@link #unregisterNetworkCallback} API.
* In {@link VERSION_CODES#MNC}, and above, this method is unsupported and will
* throw {@code UnsupportedOperationException} if called.
*/
public int stopUsingNetworkFeature(int networkType, String feature) {
checkLegacyRoutingApiAccess();
NetworkCapabilities netCap = networkCapabilitiesForFeature(networkType, feature);
if (netCap == null) {
Log.d(TAG, "Can't satisfy stopUsingNetworkFeature for " + networkType + ", " +
@ -1354,6 +1364,8 @@ public class ConnectivityManager {
* @deprecated Deprecated in favor of the
* {@link #requestNetwork(NetworkRequest, NetworkCallback)},
* {@link #bindProcessToNetwork} and {@link Network#getSocketFactory} API.
* In {@link VERSION_CODES#MNC}, and above, this method is unsupported and will
* throw {@code UnsupportedOperationException} if called.
*/
public boolean requestRouteToHost(int networkType, int hostAddress) {
return requestRouteToHostAddress(networkType, NetworkUtils.intToInetAddress(hostAddress));
@ -1374,6 +1386,7 @@ public class ConnectivityManager {
* {@link #bindProcessToNetwork} API.
*/
public boolean requestRouteToHostAddress(int networkType, InetAddress hostAddress) {
checkLegacyRoutingApiAccess();
try {
return mService.requestRouteToHostAddress(networkType, hostAddress.getAddress());
} catch (RemoteException e) {
@ -1552,7 +1565,8 @@ public class ConnectivityManager {
/**
* {@hide}
*/
public ConnectivityManager(IConnectivityManager service) {
public ConnectivityManager(Context context, IConnectivityManager service) {
mContext = checkNotNull(context, "missing context");
mService = checkNotNull(service, "missing IConnectivityManager");
sInstance = this;
}
@ -2839,6 +2853,34 @@ public class ConnectivityManager {
return new Network(netId);
}
private void unsupportedStartingFrom(int version) {
if (Process.myUid() == Process.SYSTEM_UID) {
// The getApplicationInfo() call we make below is not supported in system context, and
// we want to allow the system to use these APIs anyway.
return;
}
if (mContext.getApplicationInfo().targetSdkVersion >= version) {
throw new UnsupportedOperationException(
"This method is not supported in target SDK version " + version + " and above");
}
}
// Checks whether the calling app can use the legacy routing API (startUsingNetworkFeature,
// stopUsingNetworkFeature, requestRouteToHost), and if not throw UnsupportedOperationException.
// TODO: convert the existing system users (Tethering, GpsLocationProvider) to the new APIs and
// remove these exemptions. Note that this check is not secure, and apps can still access these
// functions by accessing ConnectivityService directly. However, it should be clear that doing
// so is unsupported and may break in the future. http://b/22728205
private void checkLegacyRoutingApiAccess() {
if (mContext.checkCallingOrSelfPermission("com.android.permission.INJECT_OMADM_SETTINGS")
== PackageManager.PERMISSION_GRANTED) {
return;
}
unsupportedStartingFrom(VERSION_CODES.MNC);
}
/**
* Binds host resolutions performed by this process to {@code network}.
* {@link #bindProcessToNetwork} takes precedence over this setting.

View File

@ -463,7 +463,7 @@ public class ConnectivityServiceTest extends AndroidTestCase {
mService = new WrappedConnectivityService(
mServiceContext, mNetManager, mStatsService, mPolicyService);
mService.systemReady();
mCm = new ConnectivityManager(mService);
mCm = new ConnectivityManager(getContext(), mService);
}
private int transportToLegacyType(int transport) {