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From: Tijl Coosemans <tijl@coosemans.org>
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Date: Sat, 17 Sep 2011 15:20:00 +0200
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Subject: Re: thread impersonation
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On Monday 12 September 2011 21:31:03 Gonzalo wrote:
> I'm new in freeBSD and I'm looking a way to impersonate threads in FreeBSD.
> In Linux I did that with setfsuid, but that only work in linux and is not
> portable :(

There's seteuid(2) or setuid(2) which are portable. They change the uid of
the entire process though, not per thread.

> I saw that in FreeBSD there is Jails, that could work? Is possible to create
> a Jail for every new thread and "impersonate the Jail"? Maybe I'm saying
> things without sense :(

A jail is a form of virtualisation. It's not related to what you're trying
to do. You can read more about jails in the handbook:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/jails-intro.html

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