Merge "Fix: VPN is off but key is displayed in the status bar" (b31cf50a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/connectivity/Vpn.java

+70 −55

Original line number	Diff line number	Diff line
		@@ -385,6 +385,7 @@ public class Vpn {
		private final INetworkManagementService mNms;
		private final INetd mNetd;
		@VisibleForTesting
		@GuardedBy("this")
		protected VpnConfig mConfig;
		private final NetworkProvider mNetworkProvider;
		@VisibleForTesting
		@@ -1602,6 +1603,8 @@ public class Vpn {
		return network;
		}

		// TODO : this is not synchronized(this) but reads from mConfig, which is dangerous
		// This file makes an effort to avoid partly initializing mConfig, but this is still not great
		private LinkProperties makeLinkProperties() {
		// The design of disabling IPv6 is only enabled for IKEv2 VPN because it needs additional
		// logic to handle IPv6 only VPN, and the IPv6 only VPN may be restarted when its MTU
		@@ -1683,6 +1686,7 @@ public class Vpn {
		* registering a new NetworkAgent. This is not always possible if the new VPN configuration
		* has certain changes, in which case this method would just return {@code false}.
		*/
		// TODO : this method is not synchronized(this) but reads from mConfig
		private boolean updateLinkPropertiesInPlaceIfPossible(NetworkAgent agent, VpnConfig oldConfig) {
		// NetworkAgentConfig cannot be updated without registering a new NetworkAgent.
		// Strictly speaking, bypassability is affected by lockdown and therefore it's possible
		@@ -2273,7 +2277,12 @@ public class Vpn {
		*/
		public synchronized VpnConfig getVpnConfig() {
		enforceControlPermission();
		return mConfig;
		// Constructor of VpnConfig cannot take a null parameter. Return null directly if mConfig is
		// null
		if (mConfig == null) return null;
		// mConfig is guarded by "this" and can be modified by another thread as soon as
		// this method returns, so this method must return a copy.
		return new VpnConfig(mConfig);
		}

		@Deprecated
		@@ -2319,6 +2328,7 @@ public class Vpn {
		}
		};

		@GuardedBy("this")
		private void cleanupVpnStateLocked() {
		mStatusIntent = null;
		resetNetworkCapabilities();
		@@ -2841,9 +2851,7 @@ public class Vpn {
		}

		final boolean isLegacyVpn = mVpnRunner instanceof LegacyVpnRunner;

		mVpnRunner.exit();
		mVpnRunner = null;

		// LegacyVpn uses daemons that must be shut down before new ones are brought up.
		// The same limitation does not apply to Platform VPNs.
		@@ -3087,6 +3095,7 @@ public class Vpn {
		}
		};

		// GuardedBy("Vpn.this") (annotation can't be applied to constructor)
		IkeV2VpnRunner(
		@NonNull Ikev2VpnProfile profile, @NonNull ScheduledThreadPoolExecutor executor) {
		super(TAG);
		@@ -3704,11 +3713,14 @@ public class Vpn {
		}

		public void updateVpnTransportInfoAndNetCap(int keepaliveDelaySec) {
		final VpnTransportInfo info = new VpnTransportInfo(
		final VpnTransportInfo info;
		synchronized (Vpn.this) {
		info = new VpnTransportInfo(
		getActiveVpnType(),
		mConfig.session,
		mConfig.allowBypass && !mLockdown,
		areLongLivedTcpConnectionsExpensive(keepaliveDelaySec));
		}
		final boolean ncUpdateRequired = !info.equals(mNetworkCapabilities.getTransportInfo());
		if (ncUpdateRequired) {
		mNetworkCapabilities = new NetworkCapabilities.Builder(mNetworkCapabilities)
		@@ -4202,7 +4214,7 @@ public class Vpn {
		* consistency of the Ikev2VpnRunner fields.
		*/
		private void disconnectVpnRunner() {
		mEventChanges.log("[VPNRunner] Disconnect runner, underlying network" + mActiveNetwork);
		mEventChanges.log("[VPNRunner] Disconnect runner, underlying net " + mActiveNetwork);
		mActiveNetwork = null;
		mUnderlyingNetworkCapabilities = null;
		mUnderlyingLinkProperties = null;
		@@ -4273,6 +4285,7 @@ public class Vpn {
		}
		};

		// GuardedBy("Vpn.this") (annotation can't be applied to constructor)
		LegacyVpnRunner(VpnConfig config, String[] racoon, String[] mtpd, VpnProfile profile) {
		super(TAG);
		if (racoon == null && mtpd == null) {
		@@ -4480,6 +4493,7 @@ public class Vpn {
		}

		// Set the interface and the addresses in the config.
		synchronized (Vpn.this) {
		mConfig.interfaze = parameters[0].trim();

		mConfig.addLegacyAddresses(parameters[1]);
		@@ -4519,7 +4533,6 @@ public class Vpn {
		}

		// Here is the last step and it must be done synchronously.
		synchronized (Vpn.this) {
		// Set the start time
		mConfig.startTime = SystemClock.elapsedRealtime();

		@@ -4753,25 +4766,26 @@ public class Vpn {

		try {
		// Build basic config
		mConfig = new VpnConfig();
		final VpnConfig config = new VpnConfig();
		if (VpnConfig.LEGACY_VPN.equals(packageName)) {
		mConfig.legacy = true;
		mConfig.session = profile.name;
		mConfig.user = profile.key;
		config.legacy = true;
		config.session = profile.name;
		config.user = profile.key;

		// TODO: Add support for configuring meteredness via Settings. Until then, use a
		// safe default.
		mConfig.isMetered = true;
		config.isMetered = true;
		} else {
		mConfig.user = packageName;
		mConfig.isMetered = profile.isMetered;
		config.user = packageName;
		config.isMetered = profile.isMetered;
		}
		mConfig.startTime = SystemClock.elapsedRealtime();
		mConfig.proxyInfo = profile.proxy;
		mConfig.requiresInternetValidation = profile.requiresInternetValidation;
		mConfig.excludeLocalRoutes = profile.excludeLocalRoutes;
		mConfig.allowBypass = profile.isBypassable;
		mConfig.disallowedApplications = getAppExclusionList(mPackage);
		config.startTime = SystemClock.elapsedRealtime();
		config.proxyInfo = profile.proxy;
		config.requiresInternetValidation = profile.requiresInternetValidation;
		config.excludeLocalRoutes = profile.excludeLocalRoutes;
		config.allowBypass = profile.isBypassable;
		config.disallowedApplications = getAppExclusionList(mPackage);
		mConfig = config;

		switch (profile.type) {
		case VpnProfile.TYPE_IKEV2_IPSEC_USER_PASS:
		@@ -4785,6 +4799,7 @@ public class Vpn {
		mVpnRunner.start();
		break;
		default:
		mConfig = null;
		updateState(DetailedState.FAILED, "Invalid platform VPN type");
		Log.d(TAG, "Unknown VPN profile type: " + profile.type);
		break;