Make Transforms Unidirectional
Convert the IpSecTransform from being a bi-directional
pair of SAs to a unidirectional single SA. This CL
also removes the concept of "direction from SAs meaning
that a IpSecTransform may now be applied to a socket
in either direction.
-Make transforms unidirectional
-Add Convert allocateSpi() to use destination rather
than direction and remote address
-Remove directionality from builders for IpSecTransform
-Change applyTransportModeTransform() to take a
direction in which to apply the transform object.
-Additional minor naming updates
-Restrict IpSecConfig to only print keys on eng builds
-Move DIRECTION constants to IpSecManager
-Add sourceAddress parameter to IpSecTransform to provide
additional guarantees about the source address of data;
(explicit failure rather than implicit failure).
-Move SPI to the build() method of IpSecTransform
Bug: 71717213
Test: runtest frameworks-net, CTS - IpSecManagerTest
Change-Id: I0824b37f443f4b8c62536d9801238c63ed8f2a1c
diff --git a/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java b/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
index 2282c13..86bbe2d 100644
--- a/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
+++ b/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
@@ -32,7 +32,6 @@
import android.net.IpSecConfig;
import android.net.IpSecManager;
import android.net.IpSecSpiResponse;
-import android.net.IpSecTransform;
import android.net.IpSecTransformResponse;
import android.net.NetworkUtils;
import android.os.Binder;
@@ -54,10 +53,9 @@
@RunWith(Parameterized.class)
public class IpSecServiceParameterizedTest {
- private static final int TEST_SPI_OUT = 0xD1201D;
- private static final int TEST_SPI_IN = TEST_SPI_OUT + 1;
+ private static final int TEST_SPI = 0xD1201D;
- private final String mRemoteAddr;
+ private final String mDestinationAddr;
@Parameterized.Parameters
public static Collection ipSecConfigs() {
@@ -96,11 +94,8 @@
private static final IpSecAlgorithm AEAD_ALGO =
new IpSecAlgorithm(IpSecAlgorithm.AUTH_CRYPT_AES_GCM, AEAD_KEY, 128);
- private static final int[] DIRECTIONS =
- new int[] {IpSecTransform.DIRECTION_IN, IpSecTransform.DIRECTION_OUT};
-
public IpSecServiceParameterizedTest(String remoteAddr) {
- mRemoteAddr = remoteAddr;
+ mDestinationAddr = remoteAddr;
}
@Before
@@ -116,44 +111,30 @@
@Test
public void testIpSecServiceReserveSpi() throws Exception {
- when(mMockNetd.ipSecAllocateSpi(
- anyInt(),
- eq(IpSecTransform.DIRECTION_OUT),
- anyString(),
- eq(mRemoteAddr),
- eq(TEST_SPI_OUT)))
- .thenReturn(TEST_SPI_OUT);
+ when(mMockNetd.ipSecAllocateSpi(anyInt(), anyString(), eq(mDestinationAddr), eq(TEST_SPI)))
+ .thenReturn(TEST_SPI);
IpSecSpiResponse spiResp =
mIpSecService.allocateSecurityParameterIndex(
- IpSecTransform.DIRECTION_OUT, mRemoteAddr, TEST_SPI_OUT, new Binder());
+ mDestinationAddr, TEST_SPI, new Binder());
assertEquals(IpSecManager.Status.OK, spiResp.status);
- assertEquals(TEST_SPI_OUT, spiResp.spi);
+ assertEquals(TEST_SPI, spiResp.spi);
}
@Test
public void testReleaseSecurityParameterIndex() throws Exception {
- when(mMockNetd.ipSecAllocateSpi(
- anyInt(),
- eq(IpSecTransform.DIRECTION_OUT),
- anyString(),
- eq(mRemoteAddr),
- eq(TEST_SPI_OUT)))
- .thenReturn(TEST_SPI_OUT);
+ when(mMockNetd.ipSecAllocateSpi(anyInt(), anyString(), eq(mDestinationAddr), eq(TEST_SPI)))
+ .thenReturn(TEST_SPI);
IpSecSpiResponse spiResp =
mIpSecService.allocateSecurityParameterIndex(
- IpSecTransform.DIRECTION_OUT, mRemoteAddr, TEST_SPI_OUT, new Binder());
+ mDestinationAddr, TEST_SPI, new Binder());
mIpSecService.releaseSecurityParameterIndex(spiResp.resourceId);
verify(mMockNetd)
.ipSecDeleteSecurityAssociation(
- eq(spiResp.resourceId),
- anyInt(),
- anyString(),
- anyString(),
- eq(TEST_SPI_OUT));
+ eq(spiResp.resourceId), anyString(), anyString(), eq(TEST_SPI));
// Verify quota and RefcountedResource objects cleaned up
IpSecService.UserRecord userRecord =
@@ -169,17 +150,12 @@
@Test
public void testSecurityParameterIndexBinderDeath() throws Exception {
- when(mMockNetd.ipSecAllocateSpi(
- anyInt(),
- eq(IpSecTransform.DIRECTION_OUT),
- anyString(),
- eq(mRemoteAddr),
- eq(TEST_SPI_OUT)))
- .thenReturn(TEST_SPI_OUT);
+ when(mMockNetd.ipSecAllocateSpi(anyInt(), anyString(), eq(mDestinationAddr), eq(TEST_SPI)))
+ .thenReturn(TEST_SPI);
IpSecSpiResponse spiResp =
mIpSecService.allocateSecurityParameterIndex(
- IpSecTransform.DIRECTION_OUT, mRemoteAddr, TEST_SPI_OUT, new Binder());
+ mDestinationAddr, TEST_SPI, new Binder());
IpSecService.UserRecord userRecord =
mIpSecService.mUserResourceTracker.getUserRecord(Os.getuid());
@@ -190,11 +166,7 @@
verify(mMockNetd)
.ipSecDeleteSecurityAssociation(
- eq(spiResp.resourceId),
- anyInt(),
- anyString(),
- anyString(),
- eq(TEST_SPI_OUT));
+ eq(spiResp.resourceId), anyString(), anyString(), eq(TEST_SPI));
// Verify quota and RefcountedResource objects cleaned up
assertEquals(0, userRecord.mSpiQuotaTracker.mCurrent);
@@ -206,14 +178,12 @@
}
}
- private int getNewSpiResourceId(int direction, String remoteAddress, int returnSpi)
- throws Exception {
- when(mMockNetd.ipSecAllocateSpi(anyInt(), anyInt(), anyString(), anyString(), anyInt()))
+ private int getNewSpiResourceId(String remoteAddress, int returnSpi) throws Exception {
+ when(mMockNetd.ipSecAllocateSpi(anyInt(), anyString(), anyString(), anyInt()))
.thenReturn(returnSpi);
IpSecSpiResponse spi =
mIpSecService.allocateSecurityParameterIndex(
- direction,
NetworkUtils.numericToInetAddress(remoteAddress).getHostAddress(),
IpSecManager.INVALID_SECURITY_PARAMETER_INDEX,
new Binder());
@@ -221,20 +191,13 @@
}
private void addDefaultSpisAndRemoteAddrToIpSecConfig(IpSecConfig config) throws Exception {
- config.setSpiResourceId(
- IpSecTransform.DIRECTION_OUT,
- getNewSpiResourceId(IpSecTransform.DIRECTION_OUT, mRemoteAddr, TEST_SPI_OUT));
- config.setSpiResourceId(
- IpSecTransform.DIRECTION_IN,
- getNewSpiResourceId(IpSecTransform.DIRECTION_IN, mRemoteAddr, TEST_SPI_IN));
- config.setRemoteAddress(mRemoteAddr);
+ config.setSpiResourceId(getNewSpiResourceId(mDestinationAddr, TEST_SPI));
+ config.setDestinationAddress(mDestinationAddr);
}
private void addAuthAndCryptToIpSecConfig(IpSecConfig config) throws Exception {
- for (int direction : DIRECTIONS) {
- config.setEncryption(direction, CRYPT_ALGO);
- config.setAuthentication(direction, AUTH_ALGO);
- }
+ config.setEncryption(CRYPT_ALGO);
+ config.setAuthentication(AUTH_ALGO);
}
@Test
@@ -251,32 +214,10 @@
.ipSecAddSecurityAssociation(
eq(createTransformResp.resourceId),
anyInt(),
- eq(IpSecTransform.DIRECTION_OUT),
anyString(),
anyString(),
anyLong(),
- eq(TEST_SPI_OUT),
- eq(IpSecAlgorithm.AUTH_HMAC_SHA256),
- eq(AUTH_KEY),
- anyInt(),
- eq(IpSecAlgorithm.CRYPT_AES_CBC),
- eq(CRYPT_KEY),
- anyInt(),
- eq(""),
- eq(new byte[] {}),
- eq(0),
- anyInt(),
- anyInt(),
- anyInt());
- verify(mMockNetd)
- .ipSecAddSecurityAssociation(
- eq(createTransformResp.resourceId),
- anyInt(),
- eq(IpSecTransform.DIRECTION_IN),
- anyString(),
- anyString(),
- anyLong(),
- eq(TEST_SPI_IN),
+ eq(TEST_SPI),
eq(IpSecAlgorithm.AUTH_HMAC_SHA256),
eq(AUTH_KEY),
anyInt(),
@@ -296,8 +237,7 @@
IpSecConfig ipSecConfig = new IpSecConfig();
addDefaultSpisAndRemoteAddrToIpSecConfig(ipSecConfig);
- ipSecConfig.setAuthenticatedEncryption(IpSecTransform.DIRECTION_OUT, AEAD_ALGO);
- ipSecConfig.setAuthenticatedEncryption(IpSecTransform.DIRECTION_IN, AEAD_ALGO);
+ ipSecConfig.setAuthenticatedEncryption(AEAD_ALGO);
IpSecTransformResponse createTransformResp =
mIpSecService.createTransportModeTransform(ipSecConfig, new Binder());
@@ -307,32 +247,10 @@
.ipSecAddSecurityAssociation(
eq(createTransformResp.resourceId),
anyInt(),
- eq(IpSecTransform.DIRECTION_OUT),
anyString(),
anyString(),
anyLong(),
- eq(TEST_SPI_OUT),
- eq(""),
- eq(new byte[] {}),
- eq(0),
- eq(""),
- eq(new byte[] {}),
- eq(0),
- eq(IpSecAlgorithm.AUTH_CRYPT_AES_GCM),
- eq(AEAD_KEY),
- anyInt(),
- anyInt(),
- anyInt(),
- anyInt());
- verify(mMockNetd)
- .ipSecAddSecurityAssociation(
- eq(createTransformResp.resourceId),
- anyInt(),
- eq(IpSecTransform.DIRECTION_IN),
- anyString(),
- anyString(),
- anyLong(),
- eq(TEST_SPI_IN),
+ eq(TEST_SPI),
eq(""),
eq(new byte[] {}),
eq(0),
@@ -359,18 +277,7 @@
verify(mMockNetd)
.ipSecDeleteSecurityAssociation(
- eq(createTransformResp.resourceId),
- eq(IpSecTransform.DIRECTION_OUT),
- anyString(),
- anyString(),
- eq(TEST_SPI_OUT));
- verify(mMockNetd)
- .ipSecDeleteSecurityAssociation(
- eq(createTransformResp.resourceId),
- eq(IpSecTransform.DIRECTION_IN),
- anyString(),
- anyString(),
- eq(TEST_SPI_IN));
+ eq(createTransformResp.resourceId), anyString(), anyString(), eq(TEST_SPI));
// Verify quota and RefcountedResource objects cleaned up
IpSecService.UserRecord userRecord =
@@ -404,18 +311,7 @@
verify(mMockNetd)
.ipSecDeleteSecurityAssociation(
- eq(createTransformResp.resourceId),
- eq(IpSecTransform.DIRECTION_OUT),
- anyString(),
- anyString(),
- eq(TEST_SPI_OUT));
- verify(mMockNetd)
- .ipSecDeleteSecurityAssociation(
- eq(createTransformResp.resourceId),
- eq(IpSecTransform.DIRECTION_IN),
- anyString(),
- anyString(),
- eq(TEST_SPI_IN));
+ eq(createTransformResp.resourceId), anyString(), anyString(), eq(TEST_SPI));
// Verify quota and RefcountedResource objects cleaned up
assertEquals(0, userRecord.mTransformQuotaTracker.mCurrent);
@@ -439,30 +335,22 @@
ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(new Socket());
int resourceId = createTransformResp.resourceId;
- mIpSecService.applyTransportModeTransform(pfd, resourceId);
+ mIpSecService.applyTransportModeTransform(pfd, IpSecManager.DIRECTION_OUT, resourceId);
verify(mMockNetd)
.ipSecApplyTransportModeTransform(
eq(pfd.getFileDescriptor()),
eq(resourceId),
- eq(IpSecTransform.DIRECTION_OUT),
+ eq(IpSecManager.DIRECTION_OUT),
anyString(),
anyString(),
- eq(TEST_SPI_OUT));
- verify(mMockNetd)
- .ipSecApplyTransportModeTransform(
- eq(pfd.getFileDescriptor()),
- eq(resourceId),
- eq(IpSecTransform.DIRECTION_IN),
- anyString(),
- anyString(),
- eq(TEST_SPI_IN));
+ eq(TEST_SPI));
}
@Test
public void testRemoveTransportModeTransform() throws Exception {
ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(new Socket());
- mIpSecService.removeTransportModeTransform(pfd, 1);
+ mIpSecService.removeTransportModeTransforms(pfd, 1);
verify(mMockNetd).ipSecRemoveTransportModeTransform(pfd.getFileDescriptor());
}