El mié, 09-07-2003 a las 22:43, Seth Nickell escribió: [...] > 2) User Extensible Metadata in ext3!!! It seems like this is on the > verge of happening (maybe it already happened?), perhaps we could give > it an extra push. The actual kernel 2.5 has ACLs implemented so there is already the Extensible metadata extension because they use it for ACLs :-) [...] > > 1) A revised permissions system that allows processes to acquire > multiple permission "tokens" ala the HURD..... so that they can run with > multiple user's permissions. This would allow things like the mouse > preference page to run as the normal user, but if you changed one of the > settings that requires root, we could prompt you for the root password, > pick up root permissions, do the work, then drop the token. Or, in > Nautilus, if you try to copy a file you don't have permission for we > could let you authenticate as root or the owner of the file, do the > work, and then drop the permissions. I imagine the usefulness of this is > not restricted to desktop apps but could be used so that, e.g., moddav > could run as nobody, but when you log in to it, authenticate as you so > that you can access your homedir through WebDAV (oops, guess that was > another desktop application... :-) Perhaps it's already there as a standard that Linux && BSD implement http://www.kernel.org/pub/linux/libs/security/linux-privs/old/doc/linux-privs.html/linux-privs.html I'm not sure the level of implementation for that standard because it seems to be dead :-? [...] Cheers. -- Carlos Perelló Marín Debian GNU/Linux Sid (PowerPC) Linux Registered User #121232 mailto:carlos pemas net || mailto:carlos gnome org http://carlos.pemas.net Valencia - Spain
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