Roster Manipulation

Hi,

I don't know if i am posting at the right place but here it goes. I am busy developing a Jabber to MSN gateway. If a user registers with the gateway i want the MSN contact list to be added to the Roster List in the Jabber client. I dont want the person to go accept the subscriptions of each contact in his MSN contact list. I want them just to be added to the users roster list.

The same for if the user removes the GateWay entity, I want the msn rosters to be removed. With my old jabber server I used to manipulate the rosters. Is there a similar way to do it with ejabberd?

Thanks,
Phil