Only for testing purpose, instead of using your own created
permission, use an already defined system permission and check whether
your code works fine. If yes, you know that there are some problems
with how you define and expose your own permission.
--
Roman Baumgaertner
Sr. SW Engineer-OSDC
·T· · ·Mobile· stick together
The views, opinions and statements in this email are those of the
author solely in their individual capacity, and do not necessarily
represent those of T-Mobile USA, Inc.
On Aug 28, 3:29 am, Lutz Schönemann
<lutz.schoenem...@sit.fraunhofer.de> wrote:
> Hi, my current problem is to access my own service. The thing is I
> have 2 interfaces for my service and want to restrict one of them to
> applications that have a special permission.
>
> I have a service and an activity in one package. The application has
> that special permission but I always get a security exception:
>
> I've tried the to following things:
>
> 1) put the check inside the onBind() method:
>
> @Override
> public IBinder onBind(Intent intent) {
> if(intent.getAction() != null &&
>
> intent.getAction().equals(ACTION_SERVICE_MANAGEMENT)) {
> // check permission
> if(checkCallingPermission(PERMISSION_MANAGEMENT) ==
> PackageManager.PERMISSION_DENIED) {
> Log.d(TAG, "Checked for permission: " +
> PERMISSION_MANAGEMENT +
> "\nresult: " + checkCallingPermission(PERMISSION_MANAGEMENT));
> throw new SecurityException();
> }
>
> // return management binder
> return mManagementBinder;
> }
>
> if(_DEBUG) Log.d(TAG, "onBind finished");
> // call was not local so return public binder
> return mBinder;
> }
>
> 2) ptu the check inside a method of the binder it self:
>
> private IServiceManagement.Stub mManagementBinder = new
> IServiceManagement.Stub() {
>
> public String[] getRoles() throws RemoteException {
> return PDPService.this.getRoles();
> }
>
> public void updatePolicy(String policyuri) {
> // check permission
> if(checkCallingPermission(PERMISSION_MANAGEMENT) ==
> PackageManager.PERMISSION_DENIED) {
> Log.d(TAG, "Checked for permission: " +
> PERMISSION_MANAGEMENT +
> "\nresult: " + checkCallingPermission(PERMISSION_MANAGEMENT));
> throw new SecurityException();
> }
> Uri uri = Uri.parse(policyuri);
> Service.this.updateFile(uri, Service.POLICY_FILE);
> }
> }
>
> both cases end with a security exception (the one I throw). The result
> of checkCallingPermission is always -1
> (PackageManager.PERMISSION_DENIED). I have doublechecked that the name
> of the permission in code is the same as the one specified in the
> manifest file.
>
> What am I doing wrong?
>
> Thanks for help
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