I have pentaho community version 1.7.First i want to know from where i can set user authentication to database.I know now it is taking from applicationContext-acegi-security-memory.xml file where i can add my own user.But i want to use database user authenication.Where i can set it.Also i want to know if suppose i have develope one portal, from this portal i want to call one pentaho page, how can i do that ,because it i call direclty with my user pentaho redirect me to login page.So how can i maintaine user from my portal.Also where i can get source code for pentaho.

Please reply me as soon as possible.