Hi!
> In attempt to make capabilites more useful before the filesytem support
> arrives, I would like to "wrap" non-capabilities aware apps.
>
> For example:
>
> # capwrap --user nobody --grp nobody --cap CAP_NET_BIND_SERVICE nc -l -p 80
That looks pretty nice...
> This wrapper[1] (that would increase security) won't work with the current
> kernel though, because at step 6, all capabilities are cleared.
This should be fixed, then.
Pavel
PS: you could ptrace attach yourself, fork and exec on root, and then force
newly exec-ed app to give up id... But that's ugly and complicated hack.
-- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.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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