Messages in this thread | | | Date | Wed, 21 Apr 1999 21:19:04 +0200 | From | Pavel Machek <> | Subject | Re: Caps in elf: discussion stopper [was Re: caps in elf headers: use the sticky bit!] |
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Hi!
> So this would be a very simple model where you just have a setuid root > program, and it could simply drop some or all of its > privileges/capabilities at any point in its execution --- perhaps at the > beginning, perhaps later on in the execution of the program, etc. It's > more flexible and simpler than the setuid-root-and-use-ELF approach.
Reading elf sections is trivial (take a look :-). Advantage of reading elf sections is that you can ask "what capabilities does program XYZ use?". I think that is pretty essential (along with ability to say: "force program XYZ to use capability CAP_NET_RAW only).
Pavel -- I'm really pavel@atrey.karlin.mff.cuni.cz. Pavel Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).
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