Subject: Re: su troubles
To: Brian Carroll <carroll@ultdev.chess.cornell.edu>
From: Bill Studenmund <wrstuden@loki.stanford.edu>
List: port-mac68k
Date: 02/10/1998 09:04:45
On Tue, 10 Feb 1998, Brian Carroll wrote:
>
> I'm having troubles with su. I don't seem able to su to any account
> unless I login as root. I can't even su into the account I'm already
> logged into. When I do "su someusername" it prompts me for a password and
> when I give it the correct password I get a "Sorry". Su-ing from root to
> another account works peachy. It sounds like a permission problem to me.
> Here is the permissions set for su and passwd(which I assume su reads):
>
> -r-xr-xr-x 1 root wheel 16384 Jan 21 17:40 su
> -rw-r--r-- 1 root wheel 728 Feb 10 11:48 passwd
>
> So it looks like I should be able to execute su and read the passwd file.
> Are there any other files I should be looking at?
No. But su should be:
-r-sr-xr-x 1 root bin 12288 Nov 29 11:50 /usr/bin/su
^
Well, the size and date can differ. :-) But it does need to be set-uid
root.
To fix this, as root, type chmod u+s /usr/bin/su
Take care,
Bill