From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Songchun Fan Date: Fri, 9 Sep 2022 14:50:31 -0700 Subject: [PATCH] forbid deletion of protected packages BUG: 242996180 Test: adb shell pm uninstall --user 0 com.google.android.apps.work.oobconfig Test: Verified with the command above. Before this CL, the package can be deleted. After this CL, the deletion will fail. Change-Id: Iba408e536b340ea5d66ab499442c0c4f828fa36f (cherry picked from commit 15f85c7fa97fe9faa540e6ad9e850990f46a5cca) Merged-In: Iba408e536b340ea5d66ab499442c0c4f828fa36f (cherry picked from commit 2e42c393f2d5521d20acd9281d411a0fbc6196c3) Merged-In: Iba408e536b340ea5d66ab499442c0c4f828fa36f --- .../android/server/pm/PackageManagerService.java | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java index 2a11492b9402..aefbb8d25e49 100644 --- a/services/core/java/com/android/server/pm/PackageManagerService.java +++ b/services/core/java/com/android/server/pm/PackageManagerService.java @@ -19504,6 +19504,19 @@ public class PackageManagerService extends IPackageManager.Stub final String packageName = versionedPackage.getPackageName(); final int versionCode = versionedPackage.getVersionCode(); + + if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { + mHandler.post(() -> { + try { + Slog.w(TAG, "Attempted to delete protected package: " + packageName); + observer.onPackageDeleted(packageName, + PackageManager.DELETE_FAILED_INTERNAL_ERROR, null); + } catch (RemoteException re) { + } + }); + return; + } + final String internalPackageName; synchronized (mPackages) { // Normalize package name to handle renamed packages and static libs