Messages in this thread | | | Date | Tue, 8 Aug 2006 15:57:20 +0200 | From | Pavel Machek <> | Subject | Re: [RFC/PATCH] revoke/frevoke system calls V2 |
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Hi!
> > > To use revoke() I must own the file > > > If I own the file I can make it a symlink to a pty/tty pair > > > I can revoke a pty/tty pair > > > > How can you symlink opened file? > > I make a symlink before running the app which opens it. Or if the app > doesn't open it I pass the file handle of a pty/tty pair to it.
Okay, I guess marginal app could do open, then fstat to make sure it is not pty/tty, then proceed assuming it can't go away. But I see that chances of _that_ happening are slim. 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-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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