Merge "Nat-related commands porting" (218b5f6d) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/NetworkManagementService.java

+4 −32

Original line number	Diff line number	Diff line
		@@ -1323,40 +1323,12 @@ public class NetworkManagementService extends INetworkManagementService.Stub
		modifyInterfaceForward(false, fromIface, toIface);
		}

		private void modifyNat(String action, String internalInterface, String externalInterface)
		throws SocketException {
		final Command cmd = new Command("nat", action, internalInterface, externalInterface);

		final NetworkInterface internalNetworkInterface = NetworkInterface.getByName(
		internalInterface);
		if (internalNetworkInterface == null) {
		cmd.appendArg("0");
		} else {
		// Don't touch link-local routes, as link-local addresses aren't routable,
		// kernel creates link-local routes on all interfaces automatically
		List<InterfaceAddress> interfaceAddresses = excludeLinkLocal(
		internalNetworkInterface.getInterfaceAddresses());
		cmd.appendArg(interfaceAddresses.size());
		for (InterfaceAddress ia : interfaceAddresses) {
		InetAddress addr = NetworkUtils.getNetworkPart(
		ia.getAddress(), ia.getNetworkPrefixLength());
		cmd.appendArg(addr.getHostAddress() + "/" + ia.getNetworkPrefixLength());
		}
		}

		try {
		mConnector.execute(cmd);
		} catch (NativeDaemonConnectorException e) {
		throw e.rethrowAsParcelableException();
		}
		}

		@Override
		public void enableNat(String internalInterface, String externalInterface) {
		mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
		try {
		modifyNat("enable", internalInterface, externalInterface);
		} catch (SocketException e) {
		mNetdService.tetherAddForward(internalInterface, externalInterface);
		} catch (RemoteException \| ServiceSpecificException e) {
		throw new IllegalStateException(e);
		}
		}
		@@ -1365,8 +1337,8 @@ public class NetworkManagementService extends INetworkManagementService.Stub
		public void disableNat(String internalInterface, String externalInterface) {
		mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
		try {
		modifyNat("disable", internalInterface, externalInterface);
		} catch (SocketException e) {
		mNetdService.tetherRemoveForward(internalInterface, externalInterface);
		} catch (RemoteException \| ServiceSpecificException e) {
		throw new IllegalStateException(e);
		}
		}