Messages in this thread | | | From | Giuliano Gagliardi <> | Subject | Re: One process with multiple user ids. | Date | Tue, 2 Oct 2007 13:34:34 +0200 |
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On Tuesday 02 October 2007, Jan Engelhardt wrote: > On Oct 2 2007 12:56, Giuliano Gagliardi wrote: > >I have a server that has to switch to different user ids, but because it > > does other complex things, I would rather not have it run as root. I only > > need the server to be able to switch to certain pre-defined user ids. > > All you need is CAP_SETUID. Also see man setresuid, > where you could, I think, use saved_uid=0 if you do not > like to use real_uid=0 effective_uid=non-0.
But CAP_SETUID would let me change to any uid, would it not? I would like my process to have no possibility to change to any uid, except some predefined set, so that in case of a security hole only those uids could be compromised. - 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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