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Allow key downgrade during staged install of apex packages am: 16618cd836

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Change-Id: I48184207d07c33a671bfbbaa8fb6e04113e8a477
This commit is contained in:
Automerger Merge Worker
2020-03-11 20:07:35 +00:00
parent 250c76cca7 16618cd836
commit ad63b613a4
1 changed files with 8 additions and 0 deletions
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8
services/core/java/com/android/server/pm/StagingManager.java
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@@ -151,6 +151,14 @@ public class StagingManager {
return; 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, throw new PackageManagerException(SessionInfo.STAGED_SESSION_VERIFICATION_FAILED,
"APK-container signature of APEX package " + packageName + " with version " "APK-container signature of APEX package " + packageName + " with version "
+ newApexPkg.versionCodeMajor + " and path " + apexPath + " is not" + newApexPkg.versionCodeMajor + " and path " + apexPath + " is not"