Merge "Block the upgrade of persistent apps"

2017-12-12 14:55:01 +00:00
parent 60f0b06d19 1186eb3fad
commit 0b30d95dc8
1 changed files with 7 additions and 0 deletions
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -18603,6 +18603,13 @@ public class PackageManagerService extends IPackageManager.Stub
                                        + " target SDK " + oldTargetSdk + " does.");
                        return;
                    }
+                    // Prevent persistent apps from being updated
+                    if ((oldPackage.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0) {
+                        res.setError(PackageManager.INSTALL_FAILED_INVALID_APK,
+                                "Package " + oldPackage.packageName + " is a persistent app. "
+                                        + "Persistent apps are not updateable.");
+                        return;
+                    }
                    // Prevent apps from downgrading their targetSandbox.
                    final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion;
                    final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion;