| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server; |
| |
| import static android.system.OsConstants.AF_INET; |
| import static android.system.OsConstants.EADDRINUSE; |
| import static android.system.OsConstants.IPPROTO_UDP; |
| import static android.system.OsConstants.SOCK_DGRAM; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Matchers.anyInt; |
| import static org.mockito.Matchers.anyLong; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.content.Context; |
| import android.net.INetd; |
| import android.net.IpSecAlgorithm; |
| import android.net.IpSecConfig; |
| import android.net.IpSecManager; |
| import android.net.IpSecSpiResponse; |
| import android.net.IpSecTransform; |
| import android.net.IpSecTransformResponse; |
| import android.net.IpSecUdpEncapResponse; |
| import android.os.Binder; |
| import android.os.ParcelFileDescriptor; |
| import android.support.test.filters.SmallTest; |
| import android.system.ErrnoException; |
| import android.system.Os; |
| import java.io.FileDescriptor; |
| import java.net.InetAddress; |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| import java.net.UnknownHostException; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link IpSecService}. */ |
| @SmallTest |
| @RunWith(JUnit4.class) |
| public class IpSecServiceTest { |
| |
| private static final int DROID_SPI = 0xD1201D; |
| private static final int DROID_SPI2 = DROID_SPI + 1; |
| private static final int TEST_UDP_ENCAP_INVALID_PORT = 100; |
| private static final int TEST_UDP_ENCAP_PORT_OUT_RANGE = 100000; |
| private static final int TEST_UDP_ENCAP_PORT = 34567; |
| |
| private static final String IPV4_LOOPBACK = "127.0.0.1"; |
| private static final String IPV4_ADDR = "192.168.0.2"; |
| |
| private static final InetAddress INADDR_ANY; |
| |
| static { |
| try { |
| INADDR_ANY = InetAddress.getByAddress(new byte[] {0, 0, 0, 0}); |
| } catch (UnknownHostException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static final int[] DIRECTIONS = |
| new int[] {IpSecTransform.DIRECTION_OUT, IpSecTransform.DIRECTION_IN}; |
| private static final byte[] CRYPT_KEY = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F |
| }; |
| private static final byte[] AUTH_KEY = { |
| 0x7A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, |
| 0x7A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F |
| }; |
| |
| Context mMockContext; |
| INetd mMockNetd; |
| IpSecService.IpSecServiceConfiguration mMockIpSecSrvConfig; |
| IpSecService mIpSecService; |
| |
| @Before |
| public void setUp() throws Exception { |
| mMockContext = mock(Context.class); |
| mMockNetd = mock(INetd.class); |
| mMockIpSecSrvConfig = mock(IpSecService.IpSecServiceConfiguration.class); |
| mIpSecService = new IpSecService(mMockContext, mMockIpSecSrvConfig); |
| |
| // Injecting mock netd |
| when(mMockIpSecSrvConfig.getNetdInstance()).thenReturn(mMockNetd); |
| } |
| |
| @Test |
| public void testIpSecServiceCreate() throws InterruptedException { |
| IpSecService ipSecSrv = IpSecService.create(mMockContext); |
| assertNotNull(ipSecSrv); |
| } |
| |
| @Test |
| public void testIpSecServiceReserveSpi() throws Exception { |
| when(mMockNetd.ipSecAllocateSpi( |
| anyInt(), |
| eq(IpSecTransform.DIRECTION_OUT), |
| anyString(), |
| eq(IPV4_LOOPBACK), |
| eq(DROID_SPI))) |
| .thenReturn(DROID_SPI); |
| |
| IpSecSpiResponse spiResp = |
| mIpSecService.reserveSecurityParameterIndex( |
| IpSecTransform.DIRECTION_OUT, IPV4_LOOPBACK, DROID_SPI, new Binder()); |
| assertEquals(IpSecManager.Status.OK, spiResp.status); |
| assertEquals(DROID_SPI, spiResp.spi); |
| } |
| |
| @Test |
| public void testReleaseSecurityParameterIndex() throws Exception { |
| when(mMockNetd.ipSecAllocateSpi( |
| anyInt(), |
| eq(IpSecTransform.DIRECTION_OUT), |
| anyString(), |
| eq(IPV4_LOOPBACK), |
| eq(DROID_SPI))) |
| .thenReturn(DROID_SPI); |
| |
| IpSecSpiResponse spiResp = |
| mIpSecService.reserveSecurityParameterIndex( |
| IpSecTransform.DIRECTION_OUT, IPV4_LOOPBACK, DROID_SPI, new Binder()); |
| |
| mIpSecService.releaseSecurityParameterIndex(spiResp.resourceId); |
| |
| verify(mMockNetd) |
| .ipSecDeleteSecurityAssociation( |
| eq(spiResp.resourceId), anyInt(), anyString(), anyString(), eq(DROID_SPI)); |
| } |
| |
| @Test |
| public void testReleaseInvalidSecurityParameterIndex() throws Exception { |
| try { |
| mIpSecService.releaseSecurityParameterIndex(1); |
| fail("IllegalArgumentException not thrown"); |
| } catch (IllegalArgumentException e) { |
| } |
| } |
| |
| /** This function finds an available port */ |
| int findUnusedPort() throws Exception { |
| // Get an available port. |
| ServerSocket s = new ServerSocket(0); |
| int port = s.getLocalPort(); |
| s.close(); |
| return port; |
| } |
| |
| @Test |
| public void testOpenAndCloseUdpEncapsulationSocket() throws Exception { |
| int localport = findUnusedPort(); |
| |
| IpSecUdpEncapResponse udpEncapResp = |
| mIpSecService.openUdpEncapsulationSocket(localport, new Binder()); |
| assertNotNull(udpEncapResp); |
| assertEquals(IpSecManager.Status.OK, udpEncapResp.status); |
| assertEquals(localport, udpEncapResp.port); |
| |
| mIpSecService.closeUdpEncapsulationSocket(udpEncapResp.resourceId); |
| udpEncapResp.fileDescriptor.close(); |
| |
| // TODO: Added check for the resource tracker |
| } |
| |
| @Test |
| public void testOpenUdpEncapsulationSocketAfterClose() throws Exception { |
| int localport = findUnusedPort(); |
| IpSecUdpEncapResponse udpEncapResp = |
| mIpSecService.openUdpEncapsulationSocket(localport, new Binder()); |
| assertNotNull(udpEncapResp); |
| assertEquals(IpSecManager.Status.OK, udpEncapResp.status); |
| assertEquals(localport, udpEncapResp.port); |
| |
| mIpSecService.closeUdpEncapsulationSocket(udpEncapResp.resourceId); |
| udpEncapResp.fileDescriptor.close(); |
| |
| /** Check if localport is available. */ |
| FileDescriptor newSocket = Os.socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); |
| Os.bind(newSocket, INADDR_ANY, localport); |
| Os.close(newSocket); |
| } |
| |
| /** |
| * This function checks if the IpSecService holds the reserved port. If |
| * closeUdpEncapsulationSocket is not called, the socket cleanup should not be complete. |
| */ |
| @Test |
| public void testUdpEncapPortNotReleased() throws Exception { |
| int localport = findUnusedPort(); |
| IpSecUdpEncapResponse udpEncapResp = |
| mIpSecService.openUdpEncapsulationSocket(localport, new Binder()); |
| assertNotNull(udpEncapResp); |
| assertEquals(IpSecManager.Status.OK, udpEncapResp.status); |
| assertEquals(localport, udpEncapResp.port); |
| |
| udpEncapResp.fileDescriptor.close(); |
| |
| FileDescriptor newSocket = Os.socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); |
| try { |
| Os.bind(newSocket, INADDR_ANY, localport); |
| fail("ErrnoException not thrown"); |
| } catch (ErrnoException e) { |
| assertEquals(EADDRINUSE, e.errno); |
| } |
| mIpSecService.closeUdpEncapsulationSocket(udpEncapResp.resourceId); |
| } |
| |
| @Test |
| public void testOpenUdpEncapsulationSocketOnRandomPort() throws Exception { |
| IpSecUdpEncapResponse udpEncapResp = |
| mIpSecService.openUdpEncapsulationSocket(0, new Binder()); |
| assertNotNull(udpEncapResp); |
| assertEquals(IpSecManager.Status.OK, udpEncapResp.status); |
| mIpSecService.closeUdpEncapsulationSocket(udpEncapResp.resourceId); |
| udpEncapResp.fileDescriptor.close(); |
| } |
| |
| @Test |
| public void testOpenUdpEncapsulationSocketPortRange() throws Exception { |
| try { |
| mIpSecService.openUdpEncapsulationSocket(TEST_UDP_ENCAP_INVALID_PORT, new Binder()); |
| fail("IllegalArgumentException not thrown"); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| try { |
| mIpSecService.openUdpEncapsulationSocket(TEST_UDP_ENCAP_PORT_OUT_RANGE, new Binder()); |
| fail("IllegalArgumentException not thrown"); |
| } catch (IllegalArgumentException e) { |
| } |
| } |
| |
| @Test |
| public void testOpenUdpEncapsulationSocketTwice() throws Exception { |
| int localport = findUnusedPort(); |
| |
| IpSecUdpEncapResponse udpEncapResp = |
| mIpSecService.openUdpEncapsulationSocket(localport, new Binder()); |
| assertNotNull(udpEncapResp); |
| assertEquals(IpSecManager.Status.OK, udpEncapResp.status); |
| assertEquals(localport, udpEncapResp.port); |
| mIpSecService.openUdpEncapsulationSocket(localport, new Binder()); |
| |
| IpSecUdpEncapResponse testUdpEncapResp = |
| mIpSecService.openUdpEncapsulationSocket(localport, new Binder()); |
| assertEquals(IpSecManager.Status.RESOURCE_UNAVAILABLE, testUdpEncapResp.status); |
| |
| mIpSecService.closeUdpEncapsulationSocket(udpEncapResp.resourceId); |
| udpEncapResp.fileDescriptor.close(); |
| } |
| |
| @Test |
| public void testCloseInvalidUdpEncapsulationSocket() throws Exception { |
| try { |
| mIpSecService.closeUdpEncapsulationSocket(1); |
| fail("IllegalArgumentException not thrown"); |
| } catch (IllegalArgumentException e) { |
| } |
| } |
| |
| IpSecConfig buildIpSecConfig() throws Exception { |
| IpSecManager ipSecManager = new IpSecManager(mIpSecService); |
| |
| // Mocking the netd to allocate SPI |
| when(mMockNetd.ipSecAllocateSpi(anyInt(), anyInt(), anyString(), anyString(), anyInt())) |
| .thenReturn(DROID_SPI) |
| .thenReturn(DROID_SPI2); |
| |
| IpSecAlgorithm encryptAlgo = new IpSecAlgorithm(IpSecAlgorithm.CRYPT_AES_CBC, CRYPT_KEY); |
| IpSecAlgorithm authAlgo = |
| new IpSecAlgorithm(IpSecAlgorithm.AUTH_HMAC_SHA256, AUTH_KEY, AUTH_KEY.length * 8); |
| |
| InetAddress localAddr = InetAddress.getByAddress(new byte[] {127, 0, 0, 1}); |
| |
| /** Allocate and add SPI records in the IpSecService through IpSecManager interface. */ |
| IpSecManager.SecurityParameterIndex outSpi = |
| ipSecManager.reserveSecurityParameterIndex(IpSecTransform.DIRECTION_OUT, localAddr); |
| IpSecManager.SecurityParameterIndex inSpi = |
| ipSecManager.reserveSecurityParameterIndex(IpSecTransform.DIRECTION_IN, localAddr); |
| |
| IpSecConfig ipSecConfig = |
| new IpSecTransform.Builder(mMockContext) |
| .setSpi(IpSecTransform.DIRECTION_OUT, outSpi) |
| .setSpi(IpSecTransform.DIRECTION_IN, inSpi) |
| .setEncryption(IpSecTransform.DIRECTION_OUT, encryptAlgo) |
| .setAuthentication(IpSecTransform.DIRECTION_OUT, authAlgo) |
| .setEncryption(IpSecTransform.DIRECTION_IN, encryptAlgo) |
| .setAuthentication(IpSecTransform.DIRECTION_IN, authAlgo) |
| .getIpSecConfig(); |
| return ipSecConfig; |
| } |
| |
| @Test |
| public void testCreateTransportModeTransform() throws Exception { |
| IpSecConfig ipSecConfig = buildIpSecConfig(); |
| |
| IpSecTransformResponse createTransformResp = |
| mIpSecService.createTransportModeTransform(ipSecConfig, new Binder()); |
| assertEquals(IpSecManager.Status.OK, createTransformResp.status); |
| |
| verify(mMockNetd) |
| .ipSecAddSecurityAssociation( |
| eq(createTransformResp.resourceId), |
| anyInt(), |
| eq(IpSecTransform.DIRECTION_OUT), |
| anyString(), |
| anyString(), |
| anyLong(), |
| eq(DROID_SPI), |
| eq(IpSecAlgorithm.AUTH_HMAC_SHA256), |
| eq(AUTH_KEY), |
| anyInt(), |
| eq(IpSecAlgorithm.CRYPT_AES_CBC), |
| eq(CRYPT_KEY), |
| anyInt(), |
| anyInt(), |
| anyInt(), |
| anyInt()); |
| verify(mMockNetd) |
| .ipSecAddSecurityAssociation( |
| eq(createTransformResp.resourceId), |
| anyInt(), |
| eq(IpSecTransform.DIRECTION_IN), |
| anyString(), |
| anyString(), |
| anyLong(), |
| eq(DROID_SPI2), |
| eq(IpSecAlgorithm.AUTH_HMAC_SHA256), |
| eq(AUTH_KEY), |
| anyInt(), |
| eq(IpSecAlgorithm.CRYPT_AES_CBC), |
| eq(CRYPT_KEY), |
| anyInt(), |
| anyInt(), |
| anyInt(), |
| anyInt()); |
| } |
| |
| @Test |
| public void testDeleteTransportModeTransform() throws Exception { |
| IpSecConfig ipSecConfig = buildIpSecConfig(); |
| |
| IpSecTransformResponse createTransformResp = |
| mIpSecService.createTransportModeTransform(ipSecConfig, new Binder()); |
| mIpSecService.deleteTransportModeTransform(createTransformResp.resourceId); |
| |
| verify(mMockNetd) |
| .ipSecDeleteSecurityAssociation( |
| eq(createTransformResp.resourceId), |
| eq(IpSecTransform.DIRECTION_OUT), |
| anyString(), |
| anyString(), |
| eq(DROID_SPI)); |
| verify(mMockNetd) |
| .ipSecDeleteSecurityAssociation( |
| eq(createTransformResp.resourceId), |
| eq(IpSecTransform.DIRECTION_IN), |
| anyString(), |
| anyString(), |
| eq(DROID_SPI2)); |
| } |
| |
| @Test |
| public void testDeleteInvalidTransportModeTransform() throws Exception { |
| try { |
| mIpSecService.deleteTransportModeTransform(1); |
| fail("IllegalArgumentException not thrown"); |
| } catch (IllegalArgumentException e) { |
| } |
| } |
| |
| @Test |
| public void testApplyTransportModeTransform() throws Exception { |
| IpSecConfig ipSecConfig = buildIpSecConfig(); |
| |
| IpSecTransformResponse createTransformResp = |
| mIpSecService.createTransportModeTransform(ipSecConfig, new Binder()); |
| ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(new Socket()); |
| |
| int resourceId = createTransformResp.resourceId; |
| mIpSecService.applyTransportModeTransform(pfd, resourceId); |
| |
| verify(mMockNetd) |
| .ipSecApplyTransportModeTransform( |
| eq(pfd.getFileDescriptor()), |
| eq(resourceId), |
| eq(IpSecTransform.DIRECTION_OUT), |
| anyString(), |
| anyString(), |
| eq(DROID_SPI)); |
| verify(mMockNetd) |
| .ipSecApplyTransportModeTransform( |
| eq(pfd.getFileDescriptor()), |
| eq(resourceId), |
| eq(IpSecTransform.DIRECTION_IN), |
| anyString(), |
| anyString(), |
| eq(DROID_SPI2)); |
| } |
| |
| @Test |
| public void testRemoveTransportModeTransform() throws Exception { |
| ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(new Socket()); |
| mIpSecService.removeTransportModeTransform(pfd, 1); |
| |
| verify(mMockNetd).ipSecRemoveTransportModeTransform(pfd.getFileDescriptor()); |
| } |
| } |