[OpenIndiana-discuss] Illumos as a NAS

Frank Lahm franklahm at gmail.com
Fri Sep 7 08:30:59 UTC 2012

2012/9/7 Gordon Ross <gordon.w.ross at gmail.com>:
> I'd also be curious what are the exact circumstances where you saw
> idmap change its mapping for some SID to a different ephemeral ID.
> Note that TTL expiration does not cause a mapping to be destroyed.  It
> only causes it to be re-checked via name lookup rules, etc.

James didn't saw that, it was me.

> That re-check should not come up with a different ID unless something
> in the configuration changed, i.e. a new explicit mapping where one
> did not exist before.   If you saw something else happen, that might
> be a bug.

I think it boils down to: was the whole idmap stuff designed to be
used with setuid/seteuid? I guess not. And it's this use case where I
see unwanted behaviour which is probably not a bug, but misuse.


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