Specifically block suspending the package verifier. (ab5ba2ef) · Commits · e / os / android_frameworks_base

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

+23 −7

Original line number	Diff line number	Diff line
		@@ -10822,25 +10822,41 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		// TODO: investigate and add more restrictions for suspending crucial packages.
		/**
		* TODO: cache and disallow blocking the active dialer.
		*
		* @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions
		*/
		private boolean canSuspendPackageForUserLocked(String packageName, int userId) {
		if (isPackageDeviceAdmin(packageName, userId)) {
		Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName
		+ "\": has active device admin");
		Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName
		+ "\": has an active device admin");
		return false;
		}

		String activeLauncherPackageName = getActiveLauncherPackageName(userId);
		if (packageName.equals(activeLauncherPackageName)) {
		Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName
		+ "\" because it is set as the active launcher");
		Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName
		+ "\": contains the active launcher");
		return false;
		}

		if (packageName.equals(mRequiredInstallerPackage)) {
		Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName
		+ "\": required for package installation");
		return false;
		}

		if (packageName.equals(mRequiredVerifierPackage)) {
		Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName
		+ "\": required for package verification");
		return false;
		}

		final PackageParser.Package pkg = mPackages.get(packageName);
		if (pkg != null && isPrivilegedApp(pkg)) {
		Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName
		+ "\" because it is a privileged app");
		Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName
		+ "\": is a privileged app");
		return false;
		}