Callers with CONNECTIVITY_INTERNAL permission can read off the netId
that an application is assigned to by default.
Necessary for making connections as the default network for a client
app eg. when downloading stuff on its behalf.
Bug:
27074270
Change-Id: I8d35e8e99126875f55f3c545090326f3e9be43fb
}
/**
+ * Returns a {@link Network} object corresponding to the currently active
+ * default data network for a specific UID. In the event that the default data
+ * network disconnects, the returned {@code Network} object will no longer
+ * be usable. This will return {@code null} when there is no default
+ * network for the UID.
+ * <p>This method requires the caller to hold the permission
+ * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}.
+ *
+ * @return a {@link Network} object for the current default network for the
+ * given UID or {@code null} if no default network is currently active
+ *
+ * @hide
+ */
+ public Network getActiveNetworkForUid(int uid) {
+ try {
+ return mService.getActiveNetworkForUid(uid);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
* Configures an always-on VPN connection through a specific application.
* This connection is automatically granted and persisted after a reboot.
*
interface IConnectivityManager
{
Network getActiveNetwork();
+ Network getActiveNetworkForUid(int uid);
NetworkInfo getActiveNetworkInfo();
NetworkInfo getActiveNetworkInfoForUid(int uid);
NetworkInfo getNetworkInfo(int networkType);
@Override
public Network getActiveNetwork() {
enforceAccessPermission();
- final int uid = Binder.getCallingUid();
+ return getActiveNetworkForUidInternal(Binder.getCallingUid());
+ }
+
+ @Override
+ public Network getActiveNetworkForUid(int uid) {
+ enforceConnectivityInternalPermission();
+ return getActiveNetworkForUidInternal(uid);
+ }
+
+ private Network getActiveNetworkForUidInternal(final int uid) {
final int user = UserHandle.getUserId(uid);
int vpnNetId = NETID_UNSET;
synchronized (mVpns) {
import android.os.MessageQueue;
import android.os.Messenger;
import android.os.MessageQueue.IdleHandler;
+import android.os.Process;
import android.os.SystemClock;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
assertEquals(transportToLegacyType(transport), mCm.getActiveNetworkInfo().getType());
// Test getActiveNetwork()
assertNotNull(mCm.getActiveNetwork());
+ assertEquals(mCm.getActiveNetwork(), mCm.getActiveNetworkForUid(Process.myUid()));
switch (transport) {
case TRANSPORT_WIFI:
assertEquals(mCm.getActiveNetwork(), mWiFiNetworkAgent.getNetwork());
assertNull(mCm.getActiveNetworkInfo());
// Test getActiveNetwork()
assertNull(mCm.getActiveNetwork());
+ assertNull(mCm.getActiveNetworkForUid(Process.myUid()));
// Test getAllNetworks()
assertEquals(0, mCm.getAllNetworks().length);
}