Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "Allow key downgrade during staged install of apex packages"

Browse Source
This commit is contained in:
Mohammad Islam
2020-03-11 19:16:32 +00:00
committed by Gerrit Code Review
parent 6bb11e48ec 16618cd836
commit 3a290c6bc0
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
services/core/java/com/android/server/pm/StagingManager.java
View File

@@ -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"