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Commit ad63b613 authored by Automerger Merge Worker's avatar Automerger Merge Worker
Browse files

Allow key downgrade during staged install of apex packages am: 16618cd8 

Change-Id: I48184207d07c33a671bfbbaa8fb6e04113e8a477
parents 250c76cc 16618cd8

services/core/java/com/android/server/pm/StagingManager.java

+8 −0
Original line number Diff line number Diff line
@@ -151,6 +151,14 @@ public class StagingManager { 
            return;

        }



        // Verify signing details for downgrade

        // Allow downgrading from B to A iff it is possible to upgrade from A to B

        if (existingApexPkg.getLongVersionCode() > newApexPkg.getLongVersionCode()

                && existingSigningDetails.checkCapability(signingDetails,

                        PackageParser.SigningDetails.CertCapabilities.INSTALLED_DATA)) {

            return;

        }



        throw new PackageManagerException(SessionInfo.STAGED_SESSION_VERIFICATION_FAILED,

                "APK-container signature of APEX package " + packageName + " with version "

                        + newApexPkg.versionCodeMajor + " and path " + apexPath + " is not"