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000025_news@columbia.edu_Thu Oct 5 15:15:07 1995.msg
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Newsgroups: comp.protocols.kermit.misc,comp.dcom.modems,comp.unix.solaris
Path: news.columbia.edu!panix!news.cloud9.net!news.sprintlink.net!in2.uu.net!EU.net!sun4nl!wauso!paul
From: paul@ahwau.ahold.nl (Paul Slootman)
Subject: Re: Real Fix for Kermit on Solaris?
Message-Id: <DFzED8.MAz@ahwau.ahold.nl>
Date: Thu, 5 Oct 1995 15:15:07 GMT
References: <Pine.SOL.3.91.951002143400.5139A-100000@toucan> <44ug0l$r41@apakabar.cc.columbia.edu>
Organization: Albert Heijn Winkelautomatisering, Zaandam, the Netherlands
Followup-To: comp.protocols.kermit.misc,comp.unix.solaris
Lines: 55
Xref: news.columbia.edu comp.protocols.kermit.misc:3754 comp.dcom.modems:112000 comp.unix.solaris:59018
Apparently-To: kermit.misc@watsun.cc.columbia.edu
Frank da Cruz <fdc@watsun.cc.columbia.edu> wrote:
>Bjorn Eng <Bjorn.T.Eng@jpl.nasa.gov> wrote:
>: I have built C-Kermit 5A(190) on a Sun Sparc-20 Solaris 2.4 machine.
>: It runs fine but if I use it for dial-out it messes up the port monitor
How does it mess it up? What are the symptoms?
>: (Solaris getty-like process). Looking through the '.bwr' files I saw
>:
>: Does anyone have a fix for whatever Kermit is doing to the port
>: monitor?
>
>Kermit isn't doing anything to the port monitor. Kermit is using the same
>technique that it has used successfully for over a decade to access dialout
>devices on more than 400 different UNIX platforms. [...]
Kermit used, and is using, the same technique on more than 400 different
UNIX platforms? The same one? On all of them? Magic! :-) Pray tell, what
is that technique?
>If Sun changes the rules
>and requires some proprietary scheme for obtaining indulgences from their
>"Port Monitor", then we'll be glad to include the code for this if it is not
>proprietary and need not be licensed and can be redistributed and somebody
>tells us what it is.
I would expect that Sun is using the "normal" SVR4 thang for Solaris.
If the port is properly configured (with sacadm/pmadm/ttymon-specific or
whatever; use admintool if you can!), an appropriate lock in
/var/spool/locks should do the trick.
>: This does not happen when you use tip for dialout.
>:
>Of course it doesn't -- Solaris Tip is specially coded by Sun for Solaris,
>and you don't get source code to see how they handle the port monitor.
The command "truss" can do wonders in cases you don't have source code,
and are wondering what magic some command is doing. Many, if not most,
unknown interactions can be, eh, reverse-engineered using truss.
>Kermit is coded to be portable. It's not easy being portable, especially
>now that every company has its own unique "open standard" for doing each
>thing :-)
Amen to that :-|
comp.unix.solaris added to newsgroups, and followups adjusted.
Paul Slootman
--
key to UNIX: echo '16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlbx'|dc
Murphy Software, Enschede, The Netherlands paul@murphy.nl
work: paul@ahwau.ahold.nl +31 756 593946 fax +31 756 351240
home: paul@wurtel.hobby.nl +31 546 851514