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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