Date: Tue, 17 Mar 1998 11:30:10 -0800 (PST) From: Simon Shapiro <shimon@simon-shapiro.org> To: Mikhail Teterin <mi@aldan.algebra.com> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Kerberos and telnet, su, rsh.... Message-ID: <XFMail.980317113010.shimon@simon-shapiro.org> In-Reply-To: <199803171739.MAA21000@rtfm.ziplink.net>
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On 17-Mar-98 Mikhail Teterin wrote: > Mark Murray once stated: > > =Mikhail Teterin wrote: > => After I rebuilt the world with Kerberos support, things like > => su, telnet, rsh stopped working, unless explicitly given the > => ``-K'' option. I do not have Kerberos set up yet, but I remember, > => that previosly in this cases I was just getting something "remote > => side does not support Kerberos" or "not in root acl". Now the > => programs hang for a while, then dump core... > > =Configure properly for Kerberos, or build without Kerberos. > > I believe this to be an unacceptable explanation of why things > _crash_. It is my understanding, that system utilities (as well > as all well written programs, actually) shall never crash. Other > then due to a hardware error, of course. > > I can accept, that the policy was changed from "warn but run" to > "warn and do not run", but simple "do not run" (or "crash") is not > acceptable. > > Surprisingly, nobody offered a better explanation. I'm afraid, > people will install Kerberos on -stable and will rightfully complaint > about ``su'' dumping core without saying a word. You are right, of course. Core dumping is normally a side effect of invalid signal. Invalid signal is one that the program has not notified the kernel what it wants done with it. It is a clear mark on unanticipated error/exception. I douby it is the planned-for reaction to unconfigured Kerberos utility running. ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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