2.9.9p2 bug in PAM support

Nicolas Williams Nicolas.Williams at ubsw.com
Tue Oct 2 00:23:11 EST 2001

On Tue, Oct 02, 2001 at 12:04:42AM +1000, Andrew Bartlett wrote:
> Nicolas Williams wrote:
> > 
> > Perhaps OpenSSH should use a different PAM_SERVICE name for non-tty
> > sessions so its PAM stack could be configured differently than for tty
> > sessions.
> > 
> > This may not be possible, if OpenSSH's sshd doesn't know what kind of
> > session to run when it calls pam_start(). Is this so?
> Indeed, this is unknown that the time pam_start() is called.

That's too bad.

> > Alternatively, using 'ssh' as the PAM_TTY might do, but then, should
> > pam_close_session() be called right away after pam_open_session()?
> Why?

I'm thinking of things like UTMP, where ttys are expected to be accessed
in exclusive manner. Perhaps some PAM modules expect the same.

Alternatively, cons up a fake TTY name, like ssh-<session id>...

> -- 
> Andrew Bartlett                                 abartlet at pcug.org.au
> Samba Team member, Build Farm maintainer        abartlet at samba.org
> Student Network Administrator, Hawker College   abartlet at hawkerc.net
> http://samba.org     http://build.samba.org     http://hawkerc.net

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