bin/71147: sshd(8) will allow to log into a locked account

Ceri Davies ceri at submonkey.net
Mon Aug 30 09:03:14 PDT 2004


On Mon, Aug 30, 2004 at 02:40:11PM +0000, Maxim Konovalov wrote:
> The following reply was made to PR bin/71147; it has been noted by GNATS.
> 
> From: Maxim Konovalov <maxim at macomnet.ru>
> To: Gleb Smirnoff <glebius at freebsd.org>
> Cc: bug-followup at freebsd.org
> Subject: Re: bin/71147: sshd(8) will allow to log into a locked account
> Date: Mon, 30 Aug 2004 18:37:16 +0400 (MSD)
> 
>  On Mon, 30 Aug 2004, 14:00-0000, Gleb Smirnoff wrote:
>  
>  > The following reply was made to PR bin/71147; it has been noted by GNATS.
>  >
>  > From: Gleb Smirnoff <glebius at freebsd.org>
>  > To: Yar Tikhiy <yar at comp.chem.msu.su>
>  > Cc: FreeBSD-gnats-submit at freebsd.org, des at freebsd.org
>  > Subject: Re: bin/71147: sshd(8) will allow to log into a locked account
>  > Date: Mon, 30 Aug 2004 17:50:14 +0400
>  >
>  >  On Mon, Aug 30, 2004 at 04:52:54PM +0400, Yar Tikhiy wrote:
>  >  Y> 	In FreeBSD (and other BSDs,) the well-known way to lock out
>  >  Y> 	a user's account is setting the user's encrypted password to
>  >  Y> 	an asterisk character, `*', in master.passwd.  Arguably, one
>  >  Y> 	can also lock out a user by just _prefixing_ the password field
>  >  Y> 	value with `*'.  Anyway, sshd(8) will ignore either lock
>  >  Y> 	and allow the user to log in if he authenticates himself by
>  >  Y> 	means other than the Unix password, e.g., using his public key.
>  >
>  >  This is not a bug, it's a feature! Any ssh (not only Open) has the
>  >  same behavior on any unix operating system.
>  
>  sshd works as expected (does not allow to login to a system) on
>  solaris 8.

Solaris has two strings for locked out accounts:

	*LK* which indicates that an account is locked
	*NP* which indicates that an account has no password and that
	     only other authentication mechanisms should succeed

Which one works?

Ceri
-- 
It is not tinfoil, it is my new skin.  I am a robot.
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