sshd1 v1.2.26, b20.1, tty problems (most likely)
Mon May 31 21:10:00 GMT 1999
I remember a problem like this from comp.security.ssh. I believe that it
had to do with the daemon configuration. The idle timeout was set to 1
second; a tad on the short side personally. The sshd_config is in /etc on
my box. I don't run sshd here since the firewall won't allow me to
connect from home, and I haven't taken the time to figure out the port
Steve Coleman wrote:
> Juha Jdykkd wrote:
> > No help. Nothing changes. sshd1 still receives TTY -1, ls complains
> > about bad file number and something causes a logout from my newly
> > created shell immediately.
> I may have had the same problem, though my memory about it may be a
> little fuzzy now. To diagnose the problem I set my STRACE to 0x10 and
> started the daemon with -d in one window while I tried to login from
> another. The strace output reveiled that the xauth add host/unix:0
> syntax was failing which caused subsequent tty and shell problems (I
> don't remember these problems specifically), and eventually causing my
> daemon and shell (both bash and tcsh) to abort. I commented out the
> following block of code from sshd.c and I was back in business.
> #ifndef CRAY
> /* Cray xauth cannot take host/unix:0 as
> displayname *
> fprintf(f, "add %.*s/unix%s %s %s\n",
> cp - display, display, cp, auth_proto,
> auth_data); */
> Try using the STRACE flag to verify a similar xauth failure. If this is
> the source of your problem then perhaps we should add this to the sshd.c
> patch list. It may however be a system dependent patch based on your
> X-Windows implementation.
> FYI - I am using Exceed V6.1 for my X server.
> Good luck!
> Steve Coleman <Steve.Coleman@jhuapl.edu> http://www.jhuapl.edu/
> <<--------->> Johns Hopkins Applied Physics Laboratory <<---------->>
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