sshd1 v1.2.26, b20.1, tty problems (most likely)

Tue May 11 08:20:00 GMT 1999

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); */
#endif 
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 <<---------->>
Balt:443-778-6330 Fax:443-778-5597 Wash:240-228-6330 Fax:240-228-5597
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