Merge "Cleanup."
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index f2e9078..8333b81 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -26,7 +26,6 @@
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
-import android.content.pm.PackageManager;
import android.os.Binder;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
@@ -3801,8 +3800,9 @@
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.
+ // The getApplicationInfo() call we make below is not supported in system context. Let
+ // the call through here, and rely on the fact that ConnectivityService will refuse to
+ // allow the system to use these APIs anyway.
return;
}
@@ -3819,11 +3819,6 @@
// 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.M);
}
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 4b76ba8..fccdad6 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -9469,8 +9469,7 @@
* Use the old dnsmasq DHCP server for tethering instead of the framework implementation.
*
* Integer values are interpreted as boolean, and the absence of an explicit setting
- * is interpreted as |true|.
- * TODO: make the default |false|
+ * is interpreted as |false|.
* @hide
*/
public static final String TETHER_ENABLE_LEGACY_DHCP_SERVER =
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index e41a09e..a1989e5 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -57,6 +57,7 @@
import android.net.ConnectivityManager.PacketKeepalive;
import android.net.IConnectivityManager;
import android.net.IIpConnectivityMetrics;
+import android.net.INetd;
import android.net.INetdEventCallback;
import android.net.INetworkManagementEventObserver;
import android.net.INetworkPolicyListener;
@@ -88,6 +89,7 @@
import android.net.metrics.NetworkEvent;
import android.net.netlink.InetDiagMessage;
import android.net.util.MultinetworkPolicyTracker;
+import android.net.util.NetdService;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
@@ -259,7 +261,8 @@
// 0 is full bad, 100 is full good
private int mDefaultInetConditionPublished = 0;
- private INetworkManagementService mNetd;
+ private INetworkManagementService mNMS;
+ private INetd mNetd;
private INetworkStatsService mStatsService;
private INetworkPolicyManager mPolicyManager;
private NetworkPolicyManagerInternal mPolicyManagerInternal;
@@ -759,7 +762,7 @@
mLingerDelayMs = mSystemProperties.getInt(LINGER_DELAY_PROPERTY, DEFAULT_LINGER_DELAY_MS);
mContext = checkNotNull(context, "missing Context");
- mNetd = checkNotNull(netManager, "missing INetworkManagementService");
+ mNMS = checkNotNull(netManager, "missing INetworkManagementService");
mStatsService = checkNotNull(statsService, "missing INetworkStatsService");
mPolicyManager = checkNotNull(policyManager, "missing INetworkPolicyManager");
mPolicyManagerInternal = checkNotNull(
@@ -767,6 +770,7 @@
"missing NetworkPolicyManagerInternal");
mProxyTracker = new ProxyTracker(context, mHandler, EVENT_PROXY_HAS_CHANGED);
+ mNetd = NetdService.getInstance();
mKeyStore = KeyStore.getInstance();
mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
@@ -849,7 +853,7 @@
mTethering = makeTethering();
- mPermissionMonitor = new PermissionMonitor(mContext, mNetd);
+ mPermissionMonitor = new PermissionMonitor(mContext, mNMS);
//set up the listener for user state for creating user VPNs
IntentFilter intentFilter = new IntentFilter();
@@ -864,8 +868,8 @@
new IntentFilter(Intent.ACTION_USER_PRESENT), null, null);
try {
- mNetd.registerObserver(mTethering);
- mNetd.registerObserver(mDataActivityObserver);
+ mNMS.registerObserver(mTethering);
+ mNMS.registerObserver(mDataActivityObserver);
} catch (RemoteException e) {
loge("Error registering observer :" + e);
}
@@ -896,7 +900,7 @@
mMultipathPolicyTracker = new MultipathPolicyTracker(mContext, mHandler);
- mDnsManager = new DnsManager(mContext, mNetd, mSystemProperties);
+ mDnsManager = new DnsManager(mContext, mNMS, mSystemProperties);
registerPrivateDnsSettingsCallbacks();
}
@@ -912,7 +916,7 @@
return mDefaultRequest;
}
};
- return new Tethering(mContext, mNetd, mStatsService, mPolicyManager,
+ return new Tethering(mContext, mNMS, mStatsService, mPolicyManager,
IoThread.get().getLooper(), new MockableSystemProperties(),
deps);
}
@@ -1476,6 +1480,20 @@
};
/**
+ * Ensures that the system cannot call a particular method.
+ */
+ private boolean disallowedBecauseSystemCaller() {
+ // TODO: start throwing a SecurityException when GnssLocationProvider stops calling
+ // requestRouteToHost.
+ if (isSystem(Binder.getCallingUid())) {
+ log("This method exists only for app backwards compatibility"
+ + " and must not be called by system services.");
+ return true;
+ }
+ return false;
+ }
+
+ /**
* Ensure that a network route exists to deliver traffic to the specified
* host via the specified network interface.
* @param networkType the type of the network over which traffic to the
@@ -1486,6 +1504,9 @@
*/
@Override
public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) {
+ if (disallowedBecauseSystemCaller()) {
+ return false;
+ }
enforceChangePermission();
if (mProtectedNetworks.contains(networkType)) {
enforceConnectivityInternalPermission();
@@ -1563,7 +1584,7 @@
if (DBG) log("Adding legacy route " + bestRoute +
" for UID/PID " + uid + "/" + Binder.getCallingPid());
try {
- mNetd.addLegacyRouteForNetId(netId, bestRoute, uid);
+ mNMS.addLegacyRouteForNetId(netId, bestRoute, uid);
} catch (Exception e) {
// never crash - catch them all
if (DBG) loge("Exception trying to add a route: " + e);
@@ -1853,7 +1874,7 @@
if (timeout > 0 && iface != null && type != ConnectivityManager.TYPE_NONE) {
try {
- mNetd.addIdleTimer(iface, timeout, type);
+ mNMS.addIdleTimer(iface, timeout, type);
} catch (Exception e) {
// You shall not crash!
loge("Exception in setupDataActivityTracking " + e);
@@ -1872,7 +1893,7 @@
caps.hasTransport(NetworkCapabilities.TRANSPORT_WIFI))) {
try {
// the call fails silently if no idle timer setup for this interface
- mNetd.removeIdleTimer(iface);
+ mNMS.removeIdleTimer(iface);
} catch (Exception e) {
loge("Exception in removeDataActivityTracking " + e);
}
@@ -1880,6 +1901,18 @@
}
/**
+ * Update data activity tracking when network state is updated.
+ */
+ private void updateDataActivityTracking(NetworkAgentInfo newNetwork,
+ NetworkAgentInfo oldNetwork) {
+ if (newNetwork != null) {
+ setupDataActivityTracking(newNetwork);
+ }
+ if (oldNetwork != null) {
+ removeDataActivityTracking(oldNetwork);
+ }
+ }
+ /**
* Reads the network specific MTU size from resources.
* and set it on it's iface.
*/
@@ -1907,7 +1940,7 @@
try {
if (VDBG) log("Setting MTU size: " + iface + ", " + mtu);
- mNetd.setMtu(iface, mtu);
+ mNMS.setMtu(iface, mtu);
} catch (Exception e) {
Slog.e(TAG, "exception in setMtu()" + e);
}
@@ -2561,7 +2594,7 @@
}
nai.clearLingerState();
if (nai.isSatisfyingRequest(mDefaultRequest.requestId)) {
- removeDataActivityTracking(nai);
+ updateDataActivityTracking(null /* newNetwork */, nai);
notifyLockdownVpn(nai);
ensureNetworkTransitionWakelock(nai.name());
}
@@ -2581,7 +2614,7 @@
// NetworkFactories, so network traffic isn't interrupted for an unnecessarily
// long time.
try {
- mNetd.removeNetwork(nai.network.netId);
+ mNMS.removeNetwork(nai.network.netId);
} catch (Exception e) {
loge("Exception removing network: " + e);
}
@@ -2779,20 +2812,6 @@
}
}
- // TODO: remove this code once we know that the Slog.wtf is never hit.
- //
- // Find all networks that are satisfying this request and remove the request
- // from their request lists.
- // TODO - it's my understanding that for a request there is only a single
- // network satisfying it, so this loop is wasteful
- for (NetworkAgentInfo otherNai : mNetworkAgentInfos.values()) {
- if (otherNai.isSatisfyingRequest(nri.request.requestId) && otherNai != nai) {
- Slog.wtf(TAG, "Request " + nri.request + " satisfied by " +
- otherNai.name() + ", but mNetworkAgentInfos says " +
- (nai != null ? nai.name() : "null"));
- }
- }
-
// Maintain the illusion. When this request arrived, we might have pretended
// that a network connected to serve it, even though the network was already
// connected. Now that this request has gone away, we might have to pretend
@@ -3760,7 +3779,7 @@
Slog.w(TAG, "VPN for user " + user + " not ready yet. Skipping lockdown");
return false;
}
- setLockdownTracker(new LockdownVpnTracker(mContext, mNetd, this, vpn, profile));
+ setLockdownTracker(new LockdownVpnTracker(mContext, mNMS, this, vpn, profile));
} else {
setLockdownTracker(null);
}
@@ -4015,7 +4034,7 @@
loge("Starting user already has a VPN");
return;
}
- userVpn = new Vpn(mHandler.getLooper(), mContext, mNetd, userId);
+ userVpn = new Vpn(mHandler.getLooper(), mContext, mNMS, userId);
mVpns.put(userId, userVpn);
if (mUserManager.getUserInfo(userId).isPrimary() && LockdownVpnTracker.isEnabled()) {
updateLockdownVpn();
@@ -4632,7 +4651,7 @@
mDnsManager.updatePrivateDnsStatus(netId, newLp);
// Start or stop clat accordingly to network state.
- networkAgent.updateClat(mNetd);
+ networkAgent.updateClat(mNMS);
if (isDefaultNetwork(networkAgent)) {
handleApplyDefaultProxy(newLp.getHttpProxy());
} else {
@@ -4671,9 +4690,9 @@
final String prefix = "iface:" + iface;
try {
if (add) {
- mNetd.getNetdService().wakeupAddInterface(iface, prefix, mark, mask);
+ mNetd.wakeupAddInterface(iface, prefix, mark, mask);
} else {
- mNetd.getNetdService().wakeupDelInterface(iface, prefix, mark, mask);
+ mNetd.wakeupDelInterface(iface, prefix, mark, mask);
}
} catch (Exception e) {
loge("Exception modifying wakeup packet monitoring: " + e);
@@ -4689,7 +4708,7 @@
for (String iface : interfaceDiff.added) {
try {
if (DBG) log("Adding iface " + iface + " to network " + netId);
- mNetd.addInterfaceToNetwork(iface, netId);
+ mNMS.addInterfaceToNetwork(iface, netId);
wakeupModifyInterface(iface, caps, true);
} catch (Exception e) {
loge("Exception adding interface: " + e);
@@ -4699,7 +4718,7 @@
try {
if (DBG) log("Removing iface " + iface + " from network " + netId);
wakeupModifyInterface(iface, caps, false);
- mNetd.removeInterfaceFromNetwork(iface, netId);
+ mNMS.removeInterfaceFromNetwork(iface, netId);
} catch (Exception e) {
loge("Exception removing interface: " + e);
}
@@ -4723,7 +4742,7 @@
if (route.hasGateway()) continue;
if (VDBG) log("Adding Route [" + route + "] to network " + netId);
try {
- mNetd.addRoute(netId, route);
+ mNMS.addRoute(netId, route);
} catch (Exception e) {
if ((route.getDestination().getAddress() instanceof Inet4Address) || VDBG) {
loge("Exception in addRoute for non-gateway: " + e);
@@ -4734,7 +4753,7 @@
if (route.hasGateway() == false) continue;
if (VDBG) log("Adding Route [" + route + "] to network " + netId);
try {
- mNetd.addRoute(netId, route);
+ mNMS.addRoute(netId, route);
} catch (Exception e) {
if ((route.getGateway() instanceof Inet4Address) || VDBG) {
loge("Exception in addRoute for gateway: " + e);
@@ -4745,7 +4764,7 @@
for (RouteInfo route : routeDiff.removed) {
if (VDBG) log("Removing Route [" + route + "] from network " + netId);
try {
- mNetd.removeRoute(netId, route);
+ mNMS.removeRoute(netId, route);
} catch (Exception e) {
loge("Exception in removeRoute: " + e);
}
@@ -4857,7 +4876,7 @@
final String newPermission = getNetworkPermission(newNc);
if (!Objects.equals(oldPermission, newPermission) && nai.created && !nai.isVPN()) {
try {
- mNetd.setNetworkPermission(nai.network.netId, newPermission);
+ mNMS.setNetworkPermission(nai.network.netId, newPermission);
} catch (RemoteException e) {
loge("Exception in setNetworkPermission: " + e);
}
@@ -4917,12 +4936,12 @@
if (!newRanges.isEmpty()) {
final UidRange[] addedRangesArray = new UidRange[newRanges.size()];
newRanges.toArray(addedRangesArray);
- mNetd.addVpnUidRanges(nai.network.netId, addedRangesArray);
+ mNMS.addVpnUidRanges(nai.network.netId, addedRangesArray);
}
if (!prevRanges.isEmpty()) {
final UidRange[] removedRangesArray = new UidRange[prevRanges.size()];
prevRanges.toArray(removedRangesArray);
- mNetd.removeVpnUidRanges(nai.network.netId, removedRangesArray);
+ mNMS.removeVpnUidRanges(nai.network.netId, removedRangesArray);
}
} catch (Exception e) {
// Never crash!
@@ -5091,9 +5110,9 @@
private void makeDefault(NetworkAgentInfo newNetwork) {
if (DBG) log("Switching to new default network: " + newNetwork);
- setupDataActivityTracking(newNetwork);
+
try {
- mNetd.setDefaultNetId(newNetwork.network.netId);
+ mNMS.setDefaultNetId(newNetwork.network.netId);
} catch (Exception e) {
loge("Exception setting default network :" + e);
}
@@ -5266,6 +5285,7 @@
}
}
if (isNewDefault) {
+ updateDataActivityTracking(newNetwork, oldDefaultNetwork);
// Notify system services that this network is up.
makeDefault(newNetwork);
// Log 0 -> X and Y -> X default network transitions, where X is the new default.
@@ -5488,12 +5508,12 @@
try {
// This should never fail. Specifying an already in use NetID will cause failure.
if (networkAgent.isVPN()) {
- mNetd.createVirtualNetwork(networkAgent.network.netId,
+ mNMS.createVirtualNetwork(networkAgent.network.netId,
!networkAgent.linkProperties.getDnsServers().isEmpty(),
(networkAgent.networkMisc == null ||
!networkAgent.networkMisc.allowBypass));
} else {
- mNetd.createPhysicalNetwork(networkAgent.network.netId,
+ mNMS.createPhysicalNetwork(networkAgent.network.netId,
getNetworkPermission(networkAgent.networkCapabilities));
}
} catch (Exception e) {
diff --git a/services/core/java/com/android/server/NetworkManagementService.java b/services/core/java/com/android/server/NetworkManagementService.java
index 9c81748..ab0a565 100644
--- a/services/core/java/com/android/server/NetworkManagementService.java
+++ b/services/core/java/com/android/server/NetworkManagementService.java
@@ -160,6 +160,8 @@
private static final int MAX_UID_RANGES_PER_COMMAND = 10;
+ private static final String[] EMPTY_STRING_ARRAY = new String[0];
+
/**
* Name representing {@link #setGlobalAlert(long)} limit when delivered to
* {@link INetworkManagementEventObserver#limitReached(String, String)}.
@@ -1229,18 +1231,12 @@
@Override
public void startTethering(String[] dhcpRange) {
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
- // cmd is "tether start first_start first_stop second_start second_stop ..."
// an odd number of addrs will fail
- final Command cmd = new Command("tether", "start");
- for (String d : dhcpRange) {
- cmd.appendArg(d);
- }
-
try {
- mConnector.execute(cmd);
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ mNetdService.tetherStart(dhcpRange);
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
}
}
@@ -1248,9 +1244,9 @@
public void stopTethering() {
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
try {
- mConnector.execute("tether", "stop");
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ mNetdService.tetherStop();
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
}
}
@@ -1258,25 +1254,21 @@
public boolean isTetheringStarted() {
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
- final NativeDaemonEvent event;
try {
- event = mConnector.execute("tether", "status");
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ final boolean isEnabled = mNetdService.tetherIsEnabled();
+ return isEnabled;
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
}
-
- // 210 Tethering services started
- event.checkCode(TetherStatusResult);
- return event.getMessage().endsWith("started");
}
@Override
public void tetherInterface(String iface) {
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
try {
- mConnector.execute("tether", "interface", "add", iface);
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ mNetdService.tetherInterfaceAdd(iface);
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
}
List<RouteInfo> routes = new ArrayList<>();
// The RouteInfo constructor truncates the LinkAddress to a network prefix, thus making it
@@ -1289,9 +1281,9 @@
public void untetherInterface(String iface) {
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
try {
- mConnector.execute("tether", "interface", "remove", iface);
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ mNetdService.tetherInterfaceRemove(iface);
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
} finally {
removeInterfaceFromLocalNetwork(iface);
}
@@ -1301,11 +1293,10 @@
public String[] listTetheredInterfaces() {
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
try {
- return NativeDaemonEvent.filterMessageList(
- mConnector.executeForList("tether", "interface", "list"),
- TetherInterfaceListResult);
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ final List<String> result = mNetdService.tetherInterfaceList();
+ return result.toArray(EMPTY_STRING_ARRAY);
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
}
}
@@ -1314,16 +1305,11 @@
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
int netId = (network != null) ? network.netId : ConnectivityManager.NETID_UNSET;
- final Command cmd = new Command("tether", "dns", "set", netId);
-
- for (String s : dns) {
- cmd.appendArg(NetworkUtils.numericToInetAddress(s).getHostAddress());
- }
try {
- mConnector.execute(cmd);
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ mNetdService.tetherDnsSet(netId, dns);
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
}
}
@@ -1331,10 +1317,10 @@
public String[] getDnsForwarders() {
mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
try {
- return NativeDaemonEvent.filterMessageList(
- mConnector.executeForList("tether", "dns", "list"), TetherDnsFwdTgtListResult);
- } catch (NativeDaemonConnectorException e) {
- throw e.rethrowAsParcelableException();
+ final List<String> result = mNetdService.tetherDnsList();
+ return result.toArray(EMPTY_STRING_ARRAY);
+ } catch (RemoteException | ServiceSpecificException e) {
+ throw new IllegalStateException(e);
}
}
diff --git a/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java b/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java
index 2b1d919..1e6bb04 100644
--- a/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java
+++ b/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java
@@ -320,9 +320,8 @@
}
private static boolean getEnableLegacyDhcpServer(Context ctx) {
- // TODO: make the default false (0) and update javadoc in Settings.java
final ContentResolver cr = ctx.getContentResolver();
- final int intVal = Settings.Global.getInt(cr, TETHER_ENABLE_LEGACY_DHCP_SERVER, 1);
+ final int intVal = Settings.Global.getInt(cr, TETHER_ENABLE_LEGACY_DHCP_SERVER, 0);
return intVal != 0;
}
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index fceaabd..1a05305 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -4536,4 +4536,78 @@
mCellNetworkAgent.disconnect();
mCm.unregisterNetworkCallback(networkCallback);
}
+
+ @Test
+ public void testDataActivityTracking() throws RemoteException {
+ final TestNetworkCallback networkCallback = new TestNetworkCallback();
+ final NetworkRequest networkRequest = new NetworkRequest.Builder()
+ .addCapability(NET_CAPABILITY_INTERNET)
+ .build();
+ mCm.registerNetworkCallback(networkRequest, networkCallback);
+
+ mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+ final LinkProperties cellLp = new LinkProperties();
+ cellLp.setInterfaceName(MOBILE_IFNAME);
+ mCellNetworkAgent.sendLinkProperties(cellLp);
+ reset(mNetworkManagementService);
+ mCellNetworkAgent.connect(true);
+ networkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
+ verify(mNetworkManagementService, times(1)).addIdleTimer(eq(MOBILE_IFNAME), anyInt(),
+ eq(ConnectivityManager.TYPE_MOBILE));
+
+ mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+ final LinkProperties wifiLp = new LinkProperties();
+ wifiLp.setInterfaceName(WIFI_IFNAME);
+ mWiFiNetworkAgent.sendLinkProperties(wifiLp);
+
+ // Network switch
+ reset(mNetworkManagementService);
+ mWiFiNetworkAgent.connect(true);
+ networkCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
+ networkCallback.expectCallback(CallbackState.LOSING, mCellNetworkAgent);
+ networkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
+ verify(mNetworkManagementService, times(1)).addIdleTimer(eq(WIFI_IFNAME), anyInt(),
+ eq(ConnectivityManager.TYPE_WIFI));
+ verify(mNetworkManagementService, times(1)).removeIdleTimer(eq(MOBILE_IFNAME));
+
+ // Disconnect wifi and switch back to cell
+ reset(mNetworkManagementService);
+ mWiFiNetworkAgent.disconnect();
+ networkCallback.expectCallback(CallbackState.LOST, mWiFiNetworkAgent);
+ assertNoCallbacks(networkCallback);
+ verify(mNetworkManagementService, times(1)).removeIdleTimer(eq(WIFI_IFNAME));
+ verify(mNetworkManagementService, times(1)).addIdleTimer(eq(MOBILE_IFNAME), anyInt(),
+ eq(ConnectivityManager.TYPE_MOBILE));
+
+ // reconnect wifi
+ mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+ wifiLp.setInterfaceName(WIFI_IFNAME);
+ mWiFiNetworkAgent.sendLinkProperties(wifiLp);
+ mWiFiNetworkAgent.connect(true);
+ networkCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
+ networkCallback.expectCallback(CallbackState.LOSING, mCellNetworkAgent);
+ networkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
+
+ // Disconnect cell
+ reset(mNetworkManagementService);
+ mCellNetworkAgent.disconnect();
+ networkCallback.expectCallback(CallbackState.LOST, mCellNetworkAgent);
+ // LOST callback is triggered earlier than removing idle timer. Broadcast should also be
+ // sent as network being switched. Ensure rule removal for cell will not be triggered
+ // unexpectedly before network being removed.
+ waitForIdle();
+ verify(mNetworkManagementService, times(0)).removeIdleTimer(eq(MOBILE_IFNAME));
+ verify(mNetworkManagementService, times(1)).removeNetwork(
+ eq(mCellNetworkAgent.getNetwork().netId));
+
+ // Disconnect wifi
+ ConditionVariable cv = waitForConnectivityBroadcasts(1);
+ reset(mNetworkManagementService);
+ mWiFiNetworkAgent.disconnect();
+ waitFor(cv);
+ verify(mNetworkManagementService, times(1)).removeIdleTimer(eq(WIFI_IFNAME));
+
+ // Clean up
+ mCm.unregisterNetworkCallback(networkCallback);
+ }
}
diff --git a/tests/net/java/com/android/server/connectivity/TetheringTest.java b/tests/net/java/com/android/server/connectivity/TetheringTest.java
index 40d5544..a6ed9f2 100644
--- a/tests/net/java/com/android/server/connectivity/TetheringTest.java
+++ b/tests/net/java/com/android/server/connectivity/TetheringTest.java
@@ -33,6 +33,7 @@
import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_MODE;
import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_STATE;
import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLED;
+import static android.provider.Settings.Global.TETHER_ENABLE_LEGACY_DHCP_SERVER;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
@@ -75,6 +76,8 @@
import android.net.NetworkState;
import android.net.NetworkUtils;
import android.net.RouteInfo;
+import android.net.dhcp.DhcpServer;
+import android.net.dhcp.DhcpServingParams;
import android.net.ip.IpServer;
import android.net.ip.RouterAdvertisementDaemon;
import android.net.util.InterfaceParams;
@@ -85,6 +88,7 @@
import android.os.Bundle;
import android.os.Handler;
import android.os.INetworkManagementService;
+import android.os.Looper;
import android.os.PersistableBundle;
import android.os.RemoteException;
import android.os.test.TestLooper;
@@ -146,6 +150,7 @@
@Mock private UpstreamNetworkMonitor mUpstreamNetworkMonitor;
@Mock private IPv6TetheringCoordinator mIPv6TetheringCoordinator;
@Mock private RouterAdvertisementDaemon mRouterAdvertisementDaemon;
+ @Mock private DhcpServer mDhcpServer;
@Mock private INetd mNetd;
private final MockTetheringDependencies mTetheringDependencies =
@@ -240,6 +245,12 @@
public INetd getNetdService() {
return mNetd;
}
+
+ @Override
+ public DhcpServer makeDhcpServer(Looper looper, InterfaceParams iface,
+ DhcpServingParams params, SharedLog log) {
+ return mDhcpServer;
+ }
};
}
@@ -333,6 +344,7 @@
mServiceContext = new MockContext(mContext);
mContentResolver = new MockContentResolver(mServiceContext);
mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());
+ Settings.Global.putInt(mContentResolver, TETHER_ENABLE_LEGACY_DHCP_SERVER, 0);
mIntents = new Vector<>();
mBroadcastReceiver = new BroadcastReceiver() {
@Override
@@ -343,12 +355,16 @@
mServiceContext.registerReceiver(mBroadcastReceiver,
new IntentFilter(ACTION_TETHER_STATE_CHANGED));
mTetheringDependencies.reset();
- mTethering = new Tethering(mServiceContext, mNMService, mStatsService, mPolicyManager,
- mLooper.getLooper(), mSystemProperties,
- mTetheringDependencies);
+ mTethering = makeTethering();
verify(mNMService).registerTetheringStatsProvider(any(), anyString());
}
+ private Tethering makeTethering() {
+ return new Tethering(mServiceContext, mNMService, mStatsService, mPolicyManager,
+ mLooper.getLooper(), mSystemProperties,
+ mTetheringDependencies);
+ }
+
@After
public void tearDown() {
mServiceContext.unregisterReceiver(mBroadcastReceiver);
@@ -597,6 +613,18 @@
sendIPv6TetherUpdates(upstreamState);
verify(mRouterAdvertisementDaemon, never()).buildNewRa(any(), notNull());
+ verify(mDhcpServer, times(1)).start();
+ }
+
+ @Test
+ public void workingMobileUsbTethering_IPv4LegacyDhcp() {
+ Settings.Global.putInt(mContentResolver, TETHER_ENABLE_LEGACY_DHCP_SERVER, 1);
+ mTethering = makeTethering();
+ final NetworkState upstreamState = buildMobileIPv4UpstreamState();
+ runUsbTethering(upstreamState);
+ sendIPv6TetherUpdates(upstreamState);
+
+ verify(mDhcpServer, never()).start();
}
@Test
@@ -620,6 +648,7 @@
verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
verify(mRouterAdvertisementDaemon, times(1)).start();
+ verify(mDhcpServer, times(1)).start();
sendIPv6TetherUpdates(upstreamState);
verify(mRouterAdvertisementDaemon, times(1)).buildNewRa(any(), notNull());
@@ -633,6 +662,7 @@
verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_XLAT_MOBILE_IFNAME);
verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
+ verify(mDhcpServer, times(1)).start();
verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME,
TEST_XLAT_MOBILE_IFNAME);
@@ -649,6 +679,7 @@
runUsbTethering(upstreamState);
verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
+ verify(mDhcpServer, times(1)).start();
verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
// Then 464xlat comes up
@@ -671,6 +702,8 @@
// Forwarding was not re-added for v6 (still times(1))
verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME);
+ // DHCP not restarted on downstream (still times(1))
+ verify(mDhcpServer, times(1)).start();
}
@Test
diff --git a/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java b/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
index bb31230..5217784 100644
--- a/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
+++ b/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
@@ -225,13 +225,4 @@
final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog);
assertFalse(cfg.enableLegacyDhcpServer);
}
-
- @Test
- public void testNewDhcpServerDefault() {
- Settings.Global.putString(mContentResolver, TETHER_ENABLE_LEGACY_DHCP_SERVER, null);
-
- final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog);
- // TODO: change to false when new server is promoted to default
- assertTrue(cfg.enableLegacyDhcpServer);
- }
}