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

[Yar Tikhiy]

The following reply was made to PR bin/71147; it has been noted by GNATS.

From: Yar Tikhiy <yar at comp.chem.msu.su>
To: "Simon L. Nielsen" <simon at FreeBSD.org>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: bin/71147: sshd(8) will allow to log into a locked account
Date: Thu, 2 Sep 2004 16:47:27 +0400

 On Wed, Sep 01, 2004 at 05:06:21PM +0200, Simon L. Nielsen wrote:
 > On 2004.09.01 03:10:22 +0000, Yar Tikhiy wrote:
 > > The following reply was made to PR bin/71147; it has been noted by GNATS.
 > > 
 > >  However, I feel that the full blown prefix `*LOCKED*' should be
 > >  left for pw(8) purposes while just a leading asterisk may be
 > >  considered by sshd(8) as a sure sign of an account being locked.
 > >  E.g., the macro PASSWD_LOCK_PREFIX("*") should be used IMHO.
 > 
 > If you prevent accounts with a "*" from logging in with a ssh key you
 > will break POLA.  I know that I have several systems where the
 > password in master.passwd is set to "*" and I then log in via ssh
 > keys.
 > 
 > Also a "*" in the password file does not prevent a user logging in
 > when authenticating via Kerberos.
 
 Will Kerberos authentication codepath check for ``*LOCKED*'' either?
 
 -- 
 Yar