Did /nonexistent go away in FreeBSD 9 ?

Arthur Chance freebsd at qeng-ho.org
Fri Aug 22 07:18:56 UTC 2014


On 21/08/2014 21:29, John Case wrote:
>
> On Thu, 21 Aug 2014, Arthur Chance wrote:
>
>>> I also have securelevel=2 ...
>>>
>>> So, did something change with /nonexistent in FreeBSD 9, or does
>>> securelevel=2 screw this up somehow ??
>>
>> The entire point about /nonexistent is that it is nonexistent.
>
>
> The problem was the securelevel=2.
>
> If you have securelevel=2 set, the username for an ssh tunnel cannot log
> in and set up the tunnel with a shell of /nonexistent.
>
> I have no idea why - ssh tunnel failed with a message taht the home
> directory did not exist ... which is correct, since it shouldn't exist.
>
> I removed the securelevel setting and it worked perfectly (the ssh tunnel).
>
> I have no idea why the securelevel setting would cause this...
>
> Any ideas ?  I would actually like to set securelevel=2, but I also need
> my ssh tunnel to work ...

How about setting the home directory to /var/empty? It exists but has 
the schg flag set so cannot have any entries created in it. IIRC it's 
used by various daemons that need a directory to chdir to but which 
shouldn't write to it, which sounds like your use case.



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