Merge "Fix isActiveNetworkMetered for VPNs." am: 92c55f03c6 am: 32e02764a1
am: a4084c87e8
Change-Id: I3d536324052227bbfab31ba5d608c35ecb9b1ab5
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index d2c39ea..da89116 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -1575,8 +1575,7 @@
public boolean isActiveNetworkMetered() {
enforceAccessPermission();
- final int uid = Binder.getCallingUid();
- final NetworkCapabilities caps = getUnfilteredActiveNetworkState(uid).networkCapabilities;
+ final NetworkCapabilities caps = getNetworkCapabilities(getActiveNetwork());
if (caps != null) {
return !caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
} else {
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 1a0e8fa..fbc1a65 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -939,11 +939,19 @@
return mConnected; // Similar trickery
}
- public void connect() {
+ private void connect(boolean isAlwaysMetered) {
mNetworkCapabilities.set(mMockNetworkAgent.getNetworkCapabilities());
mConnected = true;
mConfig = new VpnConfig();
- mConfig.isMetered = false;
+ mConfig.isMetered = isAlwaysMetered;
+ }
+
+ public void connectAsAlwaysMetered() {
+ connect(true /* isAlwaysMetered */);
+ }
+
+ public void connect() {
+ connect(false /* isAlwaysMetered */);
}
@Override
@@ -5104,6 +5112,202 @@
}
@Test
+ public void testIsActiveNetworkMeteredOverWifi() {
+ // Returns true by default when no network is available.
+ assertTrue(mCm.isActiveNetworkMetered());
+ mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+ mWiFiNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
+ mWiFiNetworkAgent.connect(true);
+ waitForIdle();
+
+ assertFalse(mCm.isActiveNetworkMetered());
+ }
+
+ @Test
+ public void testIsActiveNetworkMeteredOverCell() {
+ // Returns true by default when no network is available.
+ assertTrue(mCm.isActiveNetworkMetered());
+ mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+ mCellNetworkAgent.removeCapability(NET_CAPABILITY_NOT_METERED);
+ mCellNetworkAgent.connect(true);
+ waitForIdle();
+
+ assertTrue(mCm.isActiveNetworkMetered());
+ }
+
+ @Test
+ public void testIsActiveNetworkMeteredOverVpnTrackingPlatformDefault() {
+ // Returns true by default when no network is available.
+ assertTrue(mCm.isActiveNetworkMetered());
+ mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+ mCellNetworkAgent.removeCapability(NET_CAPABILITY_NOT_METERED);
+ mCellNetworkAgent.connect(true);
+ waitForIdle();
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ // Connect VPN network. By default it is using current default network (Cell).
+ MockNetworkAgent vpnNetworkAgent = new MockNetworkAgent(TRANSPORT_VPN);
+ final ArraySet<UidRange> ranges = new ArraySet<>();
+ final int uid = Process.myUid();
+ ranges.add(new UidRange(uid, uid));
+ mMockVpn.setNetworkAgent(vpnNetworkAgent);
+ mMockVpn.setUids(ranges);
+ vpnNetworkAgent.connect(true);
+ mMockVpn.connect();
+ waitForIdle();
+ // Ensure VPN is now the active network.
+ assertEquals(vpnNetworkAgent.getNetwork(), mCm.getActiveNetwork());
+
+ // Expect VPN to be metered.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ // Connect WiFi.
+ mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+ mWiFiNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
+ mWiFiNetworkAgent.connect(true);
+ waitForIdle();
+ // VPN should still be the active network.
+ assertEquals(vpnNetworkAgent.getNetwork(), mCm.getActiveNetwork());
+
+ // Expect VPN to be unmetered as it should now be using WiFi (new default).
+ assertFalse(mCm.isActiveNetworkMetered());
+
+ // Disconnecting Cell should not affect VPN's meteredness.
+ mCellNetworkAgent.disconnect();
+ waitForIdle();
+
+ assertFalse(mCm.isActiveNetworkMetered());
+
+ // Disconnect WiFi; Now there is no platform default network.
+ mWiFiNetworkAgent.disconnect();
+ waitForIdle();
+
+ // VPN without any underlying networks is treated as metered.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ vpnNetworkAgent.disconnect();
+ mMockVpn.disconnect();
+ }
+
+ @Test
+ public void testIsActiveNetworkMeteredOverVpnSpecifyingUnderlyingNetworks() {
+ // Returns true by default when no network is available.
+ assertTrue(mCm.isActiveNetworkMetered());
+ mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+ mCellNetworkAgent.removeCapability(NET_CAPABILITY_NOT_METERED);
+ mCellNetworkAgent.connect(true);
+ waitForIdle();
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+ mWiFiNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
+ mWiFiNetworkAgent.connect(true);
+ waitForIdle();
+ assertFalse(mCm.isActiveNetworkMetered());
+
+ // Connect VPN network.
+ MockNetworkAgent vpnNetworkAgent = new MockNetworkAgent(TRANSPORT_VPN);
+ final ArraySet<UidRange> ranges = new ArraySet<>();
+ final int uid = Process.myUid();
+ ranges.add(new UidRange(uid, uid));
+ mMockVpn.setNetworkAgent(vpnNetworkAgent);
+ mMockVpn.setUids(ranges);
+ vpnNetworkAgent.connect(true);
+ mMockVpn.connect();
+ waitForIdle();
+ // Ensure VPN is now the active network.
+ assertEquals(vpnNetworkAgent.getNetwork(), mCm.getActiveNetwork());
+ // VPN is using Cell
+ mService.setUnderlyingNetworksForVpn(
+ new Network[] { mCellNetworkAgent.getNetwork() });
+ waitForIdle();
+
+ // Expect VPN to be metered.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ // VPN is now using WiFi
+ mService.setUnderlyingNetworksForVpn(
+ new Network[] { mWiFiNetworkAgent.getNetwork() });
+ waitForIdle();
+
+ // Expect VPN to be unmetered
+ assertFalse(mCm.isActiveNetworkMetered());
+
+ // VPN is using Cell | WiFi.
+ mService.setUnderlyingNetworksForVpn(
+ new Network[] { mCellNetworkAgent.getNetwork(), mWiFiNetworkAgent.getNetwork() });
+ waitForIdle();
+
+ // Expect VPN to be metered.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ // VPN is using WiFi | Cell.
+ mService.setUnderlyingNetworksForVpn(
+ new Network[] { mWiFiNetworkAgent.getNetwork(), mCellNetworkAgent.getNetwork() });
+ waitForIdle();
+
+ // Order should not matter and VPN should still be metered.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ // VPN is not using any underlying networks.
+ mService.setUnderlyingNetworksForVpn(new Network[0]);
+ waitForIdle();
+
+ // VPN without underlying networks is treated as metered.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ vpnNetworkAgent.disconnect();
+ mMockVpn.disconnect();
+ }
+
+ @Test
+ public void testIsActiveNetworkMeteredOverAlwaysMeteredVpn() {
+ // Returns true by default when no network is available.
+ assertTrue(mCm.isActiveNetworkMetered());
+ mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+ mWiFiNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
+ mWiFiNetworkAgent.connect(true);
+ waitForIdle();
+ assertFalse(mCm.isActiveNetworkMetered());
+
+ // Connect VPN network.
+ MockNetworkAgent vpnNetworkAgent = new MockNetworkAgent(TRANSPORT_VPN);
+ final ArraySet<UidRange> ranges = new ArraySet<>();
+ final int uid = Process.myUid();
+ ranges.add(new UidRange(uid, uid));
+ mMockVpn.setNetworkAgent(vpnNetworkAgent);
+ mMockVpn.setUids(ranges);
+ vpnNetworkAgent.connect(true);
+ mMockVpn.connectAsAlwaysMetered();
+ waitForIdle();
+ assertEquals(vpnNetworkAgent.getNetwork(), mCm.getActiveNetwork());
+
+ // VPN is tracking current platform default (WiFi).
+ mService.setUnderlyingNetworksForVpn(null);
+ waitForIdle();
+
+ // Despite VPN using WiFi (which is unmetered), VPN itself is marked as always metered.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ // VPN explicitly declares WiFi as its underlying network.
+ mService.setUnderlyingNetworksForVpn(
+ new Network[] { mWiFiNetworkAgent.getNetwork() });
+ waitForIdle();
+
+ // Doesn't really matter whether VPN declares its underlying networks explicitly.
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ // With WiFi lost, VPN is basically without any underlying networks. And in that case it is
+ // anyways suppose to be metered.
+ mWiFiNetworkAgent.disconnect();
+ waitForIdle();
+
+ assertTrue(mCm.isActiveNetworkMetered());
+
+ vpnNetworkAgent.disconnect();
+ }
+
+ @Test
public void testNetworkBlockedStatus() {
final TestNetworkCallback cellNetworkCallback = new TestNetworkCallback();
final NetworkRequest cellRequest = new NetworkRequest.Builder()