Select logic command in service level

Select logic command in service level

Preparation of credential check mechanism.
Credential check (for privilege & remove file permission) is
essential and can be gotten from connection and we can retrieve
it in service level smoothly

Change-Id: Ib577e6e39bf52a868c2d52156a02f906b94ae46e
Signed-off-by: Kyungwook Tak <k.tak@samsung.com>