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Date:      Fri, 18 Jul 1997 15:06:15 +0000 (GMT)
From:      spork <spork@super-g.com>
To:        Justin Ashworth <ashworth@esus.cs.montana.edu>
Cc:        Troy Settle <rewt@i-Plus.net>, Doug White <dwhite@resnet.uoregon.edu>, questions@FreeBSD.ORG
Subject:   Re: Change another user's password?
Message-ID:  <Pine.BSF.3.95q.970718150553.25699A-100000@super-g.inch.com>
In-Reply-To: <Pine.OSF.3.95.970718112752.14892E-100000@esus.cs.montana.edu>

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Try su -m on a user with no shell...

C

On Fri, 18 Jul 1997, Justin Ashworth wrote:

> On Fri, 18 Jul 1997, Troy Settle wrote:
> 
> > From: Justin Ashworth <ashworth@cs.montana.edu>
> > >Doug White wrote:
> > >> > Is there a way for one user to change another user's password?
> > >> The superuser can run 'passwd user' to change user's password.
> > >else's password without knowing the original password. I need a way for
> > >the passwd program to prompt the user for the old password before
> > >assigning a new one and as far as I know, that can't be done by running
> > >passwd as root.
> > 
> > su isn't just to gain root access.  You can also su to another user.  Do
> > this, then run passwd to change the user's password.
> 
>   This is where I was unclear in my previous message. I know it's possible
> to su to different users, but these users cannot change their own
> passwords because of their restricted shells, making the script also
> incapable of changing the user's password by logging in as that user. 
> Ideally the script will be run as setuid chpasswd, a dummy user with shell
> access (vs. running as nobody...who has no shell access), to change the
> password. Even if I have chpasswd su to root, when I run passwd I won't be
> prompted for the old password before entering a new one. This is where I
> run into the problem of any user being able to change another user's
> password. So...if I can get the chpasswd user to change another user's
> password, I will be set. Can it be done?
> 
> Thanks...
> 
> - Justin Ashworth
> -- ashworth@cs.montana.edu
> - http://www.cs.montana.edu/~ashworth
> 




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