Use TransformRecord to get SPI instead of SpiRecord
IpSecService.applyTunnelModeTransform() currently does not take an
SpiRecord instance, yet implicitly requires that the SpiRecord instance
is still alive based on the stored SpiRecord resourceId in
the TransformRecord's IpSecConfig.
This check is unnecessary, as the SpiRecord has been subsumed into the
TransformRecord, and the kernel resources are kept alive whether or
not the SpiRecord is still held by the user.
This allows users of the IpSecManager API to allocate short-lived SPIs
during the creation of an IpSecTransform, without having to keep track
of both of them (even though the SPI is no longer usable).
The TransformRecord.getSpiRecord() call is already used in
multiple other places in the same method.
Bug: 142072071
Test: New tests added, passing.
Change-Id: I1959f3080946267243564459ff4207647922566e
diff --git a/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java b/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
index 71b72b8..d41c0c7 100644
--- a/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
+++ b/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
@@ -569,6 +569,35 @@
}
@Test
+ public void testApplyTransportModeTransformWithClosedSpi() throws Exception {
+ IpSecConfig ipSecConfig = new IpSecConfig();
+ addDefaultSpisAndRemoteAddrToIpSecConfig(ipSecConfig);
+ addAuthAndCryptToIpSecConfig(ipSecConfig);
+
+ IpSecTransformResponse createTransformResp =
+ mIpSecService.createTransform(ipSecConfig, new Binder(), "blessedPackage");
+
+ // Close SPI record
+ mIpSecService.releaseSecurityParameterIndex(ipSecConfig.getSpiResourceId());
+
+ Socket socket = new Socket();
+ socket.bind(null);
+ ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(socket);
+
+ int resourceId = createTransformResp.resourceId;
+ mIpSecService.applyTransportModeTransform(pfd, IpSecManager.DIRECTION_OUT, resourceId);
+
+ verify(mMockNetd)
+ .ipSecApplyTransportModeTransform(
+ eq(pfd),
+ eq(mUid),
+ eq(IpSecManager.DIRECTION_OUT),
+ anyString(),
+ anyString(),
+ eq(TEST_SPI));
+ }
+
+ @Test
public void testRemoveTransportModeTransform() throws Exception {
Socket socket = new Socket();
socket.bind(null);
@@ -689,6 +718,45 @@
verifyTransformNetdCalledForCreatingSA(ipSecConfig, createTransformResp);
}
+
+ @Test
+ public void testApplyTunnelModeTransformWithClosedSpi() throws Exception {
+ IpSecConfig ipSecConfig = new IpSecConfig();
+ ipSecConfig.setMode(IpSecTransform.MODE_TUNNEL);
+ addDefaultSpisAndRemoteAddrToIpSecConfig(ipSecConfig);
+ addAuthAndCryptToIpSecConfig(ipSecConfig);
+
+ IpSecTransformResponse createTransformResp =
+ mIpSecService.createTransform(ipSecConfig, new Binder(), "blessedPackage");
+ IpSecTunnelInterfaceResponse createTunnelResp =
+ createAndValidateTunnel(mSourceAddr, mDestinationAddr, "blessedPackage");
+
+ // Close SPI record
+ mIpSecService.releaseSecurityParameterIndex(ipSecConfig.getSpiResourceId());
+
+ int transformResourceId = createTransformResp.resourceId;
+ int tunnelResourceId = createTunnelResp.resourceId;
+ mIpSecService.applyTunnelModeTransform(tunnelResourceId, IpSecManager.DIRECTION_OUT,
+ transformResourceId, "blessedPackage");
+
+ for (int selAddrFamily : ADDRESS_FAMILIES) {
+ verify(mMockNetd)
+ .ipSecUpdateSecurityPolicy(
+ eq(mUid),
+ eq(selAddrFamily),
+ eq(IpSecManager.DIRECTION_OUT),
+ anyString(),
+ anyString(),
+ eq(TEST_SPI),
+ anyInt(), // iKey/oKey
+ anyInt(), // mask
+ eq(tunnelResourceId));
+ }
+
+ ipSecConfig.setXfrmInterfaceId(tunnelResourceId);
+ verifyTransformNetdCalledForCreatingSA(ipSecConfig, createTransformResp);
+ }
+
@Test
public void testAddRemoveAddressFromTunnelInterface() throws Exception {
for (String pkgName : new String[]{"blessedPackage", "systemPackage"}) {