[14493] in Kerberos

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Re: KRB5 daemon problems

daemon@ATHENA.MIT.EDU (Dan Million)
Tue May 29 10:28:57 2001

From: Dan Million <lio@ornl.gov>
Date: Tue, 29 May 2001 09:57:46 -0400
Message-ID: <3B13AADA.D083A025@ornl.gov>
To: kerberos@MIT.EDU

Sam Hartman wrote:
> 
> >>>>> "Sam" == Sam Hartman <hartmans@MIT.EDU> writes:
> 
> >>>>> "Donn" == Donn Cave <donn@u.washington.edu> writes:
>     Donn> Quoth Dan Million <lio@ornl.gov>: | While working another
>     Donn> issue, Tom Yu told me that login.krb5 | was supposed to set
>     Donn> the correct file permissions on forwarded | credentials.  I
>     Donn> modified my remote host to use login.krb5, | and whaddaya
>     Donn> know, it also got rid of the "eof=^A" problem.  | | This is
>     Donn> on an AIX system, and at some point in the past, I | thought
>     Donn> the prevailing wisdom was, "login.krb5 doesn't work | well
>     Donn> on AIX, so symlink it to /usr/bin/login."  And that's | what
>     Donn> I've been doing ever since.  Has that caveat gone away?  |
>     Donn> Is anyone else out there even using AIX?  Hello?  [Insert |
>     Donn> sound of crickets chirping here...]
> 
>     Donn> We have AIX here.  I have never tried /usr/bin/login, but
>     Donn> would have been very surprised if it handled Kerberos
>     Donn> credentials properly.  As far as I know, there never has
>     Donn> been any such caveat.  There have been times when login.krb5
>     Donn> isn't 100% out of the box on AIX, but what is?
> 
>     Sam> I ran into this problem at my past job and believe I had a
>     Sam> work around.  Apparently I didn't commit it to the MIT tree.
>     Sam> Unfortunately I no longer have access to those changes so I'm
>     Sam> not sure what the problem ended up being.
> 
> I got information on what I fixed.  The problem appears to be that
> packet mode on AIX is not working as krlogind.c expects.  Can I get
> you to try making sure that TIOCPKT is undefined in
> src/appl/bsd/krlogind.c and see if that helps?
> 
> Say adding
> #undef TIOCPKT
> just before the definition of protocol?
> 
> If this works for you, perhaps we can come up with a cleaner fix.

I tried this out on my AIX 4.3.3 system, and encrypted rlogin no
longer hangs when I type a control-C.  This is definite progress!!
Thanks.

As you say, maybe this can point the way to a cleaner fix.

Dan

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