DBus - Sessionbus rights

Polychronis Ypodimatopoulos ypod at mit.edu
Sun Apr 6 01:11:55 EDT 2008


I've been fiddling with DBus quite a bit lately and I don't really 
understand its default security policy.

The SystemBus is used for communication between processes that belong to 
different users. By default, /etc/dbus-1/system.conf says "...Deny 
everything then punch holes...". Why do we forbid the default user 
(olpc) by default from advertising processes under a "well known name"? 
What's wrong with user processes making their presence known on SystemBus?



-- 
Polychronis Ypodimatopoulos
Graduate student
Viral Communications
MIT Media Lab
Tel: +1 (617) 459-6058
http://www.mit.edu/~ypod/




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