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Date:      Sun, 16 Aug 2020 14:09:01 +0100
From:      Arthur Chance <freebsd@qeng-ho.org>
To:        Grzegorz Junka <list1@gjunka.com>, freebsd-questions@freebsd.org
Subject:   Re: Verify user password
Message-ID:  <d87d96fa-97d5-e7a2-6447-c2cf38ecf978@qeng-ho.org>
In-Reply-To: <091dca7e-28ab-eab0-7265-d0439a732d86@gjunka.com>
References:  <af84bcef-ceff-4d7f-b012-3ef06e0ed5ec@gjunka.com> <0567033d-fa75-06b2-5629-448fdc507242@qeng-ho.org> <091dca7e-28ab-eab0-7265-d0439a732d86@gjunka.com>

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On 16/08/2020 12:03, Grzegorz Junka wrote:
> 
> On 15/08/2020 13:31, Arthur Chance wrote:
>> On 15/08/2020 13:39, Grzegorz Junka wrote:
>>> How can I verify if a given password matches the password stored in
>>> master.passwd database for a user account that is set up with
>>> /nonexistent and /usr/sbin/nologin (so a user that can't normally login
>>> to the system but still can have a password stored in the database)?
>> nologin doesn't stop you logging in, it merely says the account isn't
>> available and boots you out afterwards, so you should be able to check
>> the password by trying to log in. I don't think the non-existent home
>> directory affects that,
> 
> 
> OK, how can I login with that user then? "su" that user returns "This
> account is currently not available". "login" that user says "Not a login
> shell.". The user is configured inside a jail and there is no sshd running.

Try using /usr/bin/login, not just "login" which is a shell builtin.

-- 
The number of people predicting the demise of Moore's Law doubles
every 18 months.



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