Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-02-01 Thread Darren Tucker
(Reply-To set to openssh-unix-dev only) Dean Anderson wrote: On Mon, 26 Jan 2004, Jeffrey Hutzelman wrote: Sadly, this doesn't make any difference. OpenSSH 3.7.1 and later run PAM session modules in a subprocess unrelated to the eventual user shell, That is not correct. Even with privsep, the

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-31 Thread Dean Anderson
Putty 5.3 didn't work with the afs-supplied afs pam module. and 3.7.1p2... but maybe this can be fixed. Certainly, its a step. My point though, is that the openssh should use the system (pam) routines if it doesn't have any other method negotiated. Presently, it will only try to directly check th

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-27 Thread Dean Anderson
Really? Is there any links to what was avoided? I'd like to look at these in detail before I concede that anything of values has been demonstrated. I've heard these claims before, but I could not find any substantiating details---the claims are dubious at best. --Dean On Tue,

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-27 Thread James F.Hranicky
On Tue, 27 Jan 2004 18:58:36 -0500 (EST) Dean Anderson <[EMAIL PROTECTED]> wrote: > Nope. OpenSSH 3.7.1p1 works for me with privsep turned off. When privsep > is turned off, there is no subprocess. 3.7.1p1 has some additional > breakage, in that if your ssh client doesn't support 'interactive/pam

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-27 Thread Dean Anderson
On Mon, 26 Jan 2004, Jeffrey Hutzelman wrote: > On Monday, January 26, 2004 17:17:46 -0500 Dean Anderson <[EMAIL PROTECTED]> > wrote: > > > On Mon, 26 Jan 2004, Jeffrey Hutzelman wrote: > > > >> Worse, it would not solve the problem. The trouble here is not that AFS > >> tokens are stored in a

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-26 Thread Dean Anderson
On Mon, 26 Jan 2004, Jeffrey Hutzelman wrote: > Worse, it would not solve the problem. The trouble here is not that AFS > tokens are stored in a kernel data structure instead of a file. It's that > they are indexed by a value which must be set on login, inherited from each > process by its ch

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-26 Thread Darren Tucker
Jeffrey Hutzelman wrote: On Monday, January 26, 2004 17:17:46 -0500 Dean Anderson <[EMAIL PROTECTED]> wrote: On Mon, 26 Jan 2004, Jeffrey Hutzelman wrote: Worse, it would not solve the problem. The trouble here is not that AFS tokens are stored in a kernel data structure instead of a file. It'

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-26 Thread Damien Miller
Dean Anderson wrote: > Right. And there is an easy solution: Turn off Privsep. A process that > creates new user sessions needs root privileges, and those privileges > cannot be given away prematurely to "improve security". Privsep is just a > stupid idea for some programs. Probably for most pro

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-26 Thread Jeffrey Hutzelman
On Monday, January 26, 2004 17:17:46 -0500 Dean Anderson <[EMAIL PROTECTED]> wrote: On Mon, 26 Jan 2004, Jeffrey Hutzelman wrote: Worse, it would not solve the problem. The trouble here is not that AFS tokens are stored in a kernel data structure instead of a file. It's that they are indexed

Re: [OpenAFS-devel] Re: OpenSSH, OpenAFS, Heimdal Kerberos and MIT Kerberos

2004-01-26 Thread Jeffrey Hutzelman
On Monday, January 26, 2004 11:23:34 -0800 "Henry B. Hotz" <[EMAIL PROTECTED]> wrote: Isn't the reason this keeps coming up that AFS client doesn't (can't?) behave like a normal Kerberos application and just get it's own service ticket when it needs one (based on an existing tgt)? The real rea