Hi! > > We are really stuck with the current semantics here - switching to > > *BSD one would not only mean serious surgery on descriptor handling > > (it's one of the wartier areas in *BSD VFS, in large part because > > of magic-open-really-a-dup kludges they have to do), it would change > > a long-standing userland API that had been there for nearly 20 years > > _and_ one that tends to be used in corner cases of hell knows how many > > scripts. > > Actually, I'm pretty sure we did have the "dup" semantics at one point > (long ago), and they were really nice (because you could use them to > see where in the stream the fd was etc). It just fit so horribly badly > into the VFS semantics that it got changed into the current "new file > descriptor" one. Afaik, nothing broke. Hmm, are you going to break my exploit? http://www.exploit-db.com/exploits/10038/ I'd like that, because I don't think /proc should allow people to bypass directory permissions. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
