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Merge "Disallow Reserved SPI Allocation" am: 9c68e5a5b7

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am: 62e6b774e3

Change-Id: Ic5c7857754a04ae7238414b55a1e5ab653d62f6b
This commit is contained in:
Lorenzo Colitti
2018-03-30 08:33:06 +00:00
committed by android-build-merger
parent 9951c93f3c 9c68e5a5b7
commit dcc60bcef3
2 changed files with 6 additions and 2 deletions
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3
core/java/android/net/IpSecManager.java
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@@ -274,7 +274,8 @@ public final class IpSecManager {
*
* @param destinationAddress the destination address for traffic bearing the requested SPI.
* For inbound traffic, the destination should be an address currently assigned on-device.
* @param requestedSpi the requested SPI, or '0' to allocate a random SPI
* @param requestedSpi the requested SPI, or '0' to allocate a random SPI. The range 1-255 is
* reserved and may not be used. See RFC 4303 Section 2.1.
* @return the reserved SecurityParameterIndex
* @throws {@link #ResourceUnavailableException} indicating that too many SPIs are
* currently allocated for this user

5
services/core/java/com/android/server/IpSecService.java
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@@ -1065,7 +1065,10 @@ public class IpSecService extends IIpSecService.Stub {
public synchronized IpSecSpiResponse allocateSecurityParameterIndex(
String destinationAddress, int requestedSpi, IBinder binder) throws RemoteException {
checkInetAddress(destinationAddress);
/* requestedSpi can be anything in the int range, so no check is needed. */
// RFC 4303 Section 2.1 - 0=local, 1-255=reserved.
if (requestedSpi > 0 && requestedSpi < 256) {
throw new IllegalArgumentException("ESP SPI must not be in the range of 0-255.");
}
checkNotNull(binder, "Null Binder passed to allocateSecurityParameterIndex");
UserRecord userRecord = mUserResourceTracker.getUserRecord(Binder.getCallingUid());