Subject: Re: Security problem with pkgsrc/mail/majordomo
To: Brook Milligan <>
From: Paul Hoffman <>
List: tech-pkg
Date: 03/09/2000 14:01:51
At 02:55 PM 3/9/00 -0700, Brook Milligan wrote:
>Second, validshell() in addnerd.c uses getusershell() (which reads
>/etc/shells) to check the argument of -s against.  /sbin/nologin is
>not in /etc/shells, so this also fails.  Two possible fixes:  1) add
>an explicit check for /sbin/nologin; 2) add /sbin/nologin to
>/etc/shells.  Should either of these be added to addnerd?

Adding /sbin/nologin to /etc/shells would make sense in that many of us 
want to add no-login accounts to our systems. Given that the current 
password file comes with /sbin/nologin for many of the accounts, I don't 
understand why it's not already in /etc/shells.