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This is dnprogs, the user programs for the Linux DECnet socket layer.
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This collection comprises all the programs and libraries you will need
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to get DECnet for Linux working. It assumes you already have the
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kernel patch installed and built.
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You MUST be running the latest Eduardo kernel patch (version number 0.0.11 or
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later) or Steve Whitehouse's patch to use these programs. If you are not
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then several things (particularly dnetd) will NOT work. You will be warned
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if you try to compile on old kernel versions.
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First, compile and install the programs:
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This should put all the user-level programs in /usr/local/bin, all the
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system programs in /usr/local/sbin and the man pages under /usr/local/man.
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Libraries will be installed in /usr/lib. If you would prefer them to be in
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/usr/local/lib then edit Makefile.common and change libprefix.
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If you do this you need to ensure that the libraries will be found by either
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adding /usr/local/bin to the file /etc/ld.so.conf or by setting the
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environment variable LD_LIBRARY_PATH. See the man page for ld.so for more
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[Please don't send me mail about compiler warnings on libc5 based systems, I
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know. It compiles fine on libc6 systems (I can recommend Debian 2) because the
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header files are more POSIX compliant.]
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It will also install a startup script appropriate to your distribution. You
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will need to set up your system so that this script is run at system startup
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The startup script is "/etc/init.d/decnet.sh"
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# update-rc.d start 39 S . stop 11 1 .
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The startup script is "/etc/rc.d/init.d/decnet"
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It should be linked to "/etc/rc.d/rc3.d/S09decnet"
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You can use control-panel or tksysv to do this.
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The startup script is "/etc/rc.d/init.d/decnet"
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It should be linked to "/etc/rc.d/rc5.d/S01decnet"
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You should also add the -f switch to the startnet command.
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See the comments in the file for more detail.
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The startup script is "/etc/rc.decnet"
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Put a call to this very near the start of your /etc/rc.d/rc.inet1 file.
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The startup script is "/sbin/init.d/decnet"
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It should be linked to "/sbin/init.d/rc2.d/S05decnet"
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NOTE: Wherever you put call the startup script from it *MUST* be run before
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the TCP/IP initialisation because it needs to set the MAC address of the
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You will also now have an example configuration file (called
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/etc/decnet.conf.sample). You should copy this to /etc/decnet.conf and edit it
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to contain the details for your Linux machine (the executor) and all DECnet
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nodes with which you want to communicate - see the man page for more details.
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Alternatively you can use the script in scripts/setup.sh to aid in setting
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up your DECnet configuration. This will prompt you for the necessary
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information and create an /etc/decnet.conf file for you. This script is run
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automatically when you first install a binary distribution.
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You may also want to configure a DECnet proxies file. See the FAL
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documentation and the decnet.proxy(5) man page for more information.
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All the libraries in the distribution carry the version number of the
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distribution itself rather than an ABI-type number. This is purely for
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my convenience and there are many people who will tell me that this is just
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plain wrong. Well so be it. The V2 libraries are all backward compatible
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with the V1 libraries - the reverse is most certainly not true. If you build
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any programs against libdnet.so.1 then they will still work against libdnet.so.2
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so you can safely symlink here. The binary distributions contain these symlinks
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so nothing should break.
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The programs are all (externally) compatible with the older versions - some
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programs have new switches.
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man pages are provided for all the programs and also the routines in libdnet.
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Also you will find some documentation in the Documentation directory of this
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If you have any problems then please consult the FAQ at
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http://linux-decnet.sourceforge.net/faq.html before emailing the list with
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User programs in /usr/local/bin:
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--------------------------------
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dncopy - copy files between VMS and Linux
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dntype - view VMS files
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dndir - show VMS directories
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dndel - delete VMS files
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sethost - connect a terminal session to VMS
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dnping - "ping" (NCP LOOP NODE) a VMS machine
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dnsubmit - submit batch jobs to a VMS queue
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dnprint - print files on a VMS printer
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Administrator programs and daemons in /usr/local/sbin:
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------------------------------------------------------
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startnet - needed to start the DECnet socket layer
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ctermd - SET HOST server
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rmtermd - DTERM server for older machines
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fal - file access listener
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vmsmaild - daemon to collect mail from VMSmail
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sendvmsmail - mail delivery filter to send mail from Linux to VMS
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phoned - phone server (needed for any phone functionality)
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dnetd - DECnet super server
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decnetconf - Shell script to help in setting up /etc/decnet.conf
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dnmount - mount a VMS filesystem (still beta - requires dapfs)
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Libraries in /usr/lib
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---------------------
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libdnet - DECnet database functions
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libdnet_daemon - Common routines for DECnet daemons
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libdap - DAP protocol
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librms - Routines for user programs to access RMS files
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Phone uses GTK+ V1.2 for its X-Windows interface. If you do not have GTK+ 1.2
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installed then you will only get the ncurses interface. I do apologise for this
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but I am a newcomer to GTK+ and don't (yet, perhaps) have the knowledge to
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produce code that is more portable; a lot of the widget creation code was
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produced using the UI builder GLADE. I am an experienced X-Windows programmer
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but that experience is with Xt and Motif because it was gained in a commercial
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environment (using VMS rather than Unix since you asked!). I believe that GTK+
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is the future of - free - software development and Motif, despite the
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excellent efforts of the Lesstif team, is merely a legacy toolkit.
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Writing DECnet programs
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-----------------------
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The DECnet programs all use the BSD socket API, so if you are familiar
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with that then you are nearly there, particularly for clients.
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If you want to write a server then I recommend you read the man page for
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dnet_daemon - this includes a description of the DECnet daemon toolkit and
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a complete, working example of a daemon that will run standalone or from
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It's also worth visiting Steve Whitehouse's web site for information on
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the more advanced calls. http://www.chygwyn.com/DECnet/
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Plus...You have the source to many client and server programs in this very
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package so peruse them and learn!
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If all you want to do is access RMS files from Linux then librms is a much
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easier way of achieving this because it contains open/read/write/close calls
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that you will be more familiar with. See the librms directory for more
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This distribution also contains uulib from the uudeview suite by Frank Pilhofer
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(fp@informatik.uni-frankfurt.de).
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I have supplied it here pre-configured for Linux and it seems OK for me on
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libc5 and 6 systems, Intel, SPARC and Alpha.
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If you have problems or you want the rest of the uudeview distribution or want
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to try a later version of uulib you can download it from
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http://www.informatik.uni-frankfurt.de/~fp/uudeview.
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Thanks to Frank for a great set of encoders/decoders - I use them a lot.
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All the programs are released under the GNU General Public licence. See the
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file COPYING.programs for the full text.
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The libraries (libdnet, libdap, libdnet_daemon and librms) are released under
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the GNU Lesser (or Library) Public licence. See the file COPYING.libraries
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Please note that uulib is released under the GPL (*not* LGPL). Contact Frank
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if you want to discuss this.
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Most of the programs in the apps directory and most of libdnet were written
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by Eduardo Serrat. Bits of libdnet are also by Steve Whitehouse. Nearly all
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the rest of the stuff was written by me (Patrick Caulfield) and the
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whole package is maintained by me, I've had my fingers in all their bits too.
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I am grateful to several people for providing patches and programs:
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Paul Koning (rmtermd & patches for sethost, dndir)
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Rob Davies & David North (patches for dnping)
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Kenn Humborg (patch for dntask)
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Maciej Rozycki (patch for Makefiles)
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Frank Pilhofer (for uulib) see above.
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And to everyone who has submitted bug reports - please don't stop.
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These programs have been tested on Linux 2.0, 2.1, 2.2, 2.3 & 2.4 on Intel,
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Alpha and SPARC machines (though not necessarily all combinations!)
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I encourage all users to join the linux-decnet mailing list by visiting the
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mailing list web site at
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http://lists.sourceforge.net/lists/listinfo/linux-decnet-user
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The list is archived at http://www.geocrawler.com/lists/3/SourceForge/3243/0/
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If you need help with the software, think you have found a bug or would
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like to request a feature then please send your messages to this mailing list.
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Note that while I cannot guarantee you will get support for these programs,
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we on the list will endeavour to help where possible.
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If you send me or the mailing list a message that is answered in this file or
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the online FAQ (at http://linux-decnet.sourceforge.net/faq.html) then it
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will probably be ignored. I have a life to lead and a job to hold down.
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