Re: caps in elf headers: use the sticky bit!

Pavel Machek (pavel@atrey.karlin.mff.cuni.cz)
Wed, 14 Apr 1999 13:40:37 +0200


Hi!

> wrt many of the 'sticky bit' problems, Eric Biederman made the excellent
> (and I believe completely correct) suggestion of requiring both the sticky
> bit and the immutable bit, which solves the problem of booting an older
> kernel, since users can't set the immutable bit. I've been thinking some
> about the best semantics for this, but you can derive them as well. A lot
> of the real work can be done in userspace and taken out of the
> kernel.

Too bad this is not option: immutable bit is ext2 specific. These are
not only nfs problems you would have to face: there are also umsdos
and tar and coda and ... problems.

Pavel

PS: Sorry, immutable bit just is not correctly supported these days.

-- 
The best software in life is free (not shareware)!		Pavel
GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+

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