OS/2 port of
Berkley Internet Name Domain

• What is it?
• Where to find the latest release
• Some interesting links
• Installation
  • Directory layout of the OS/2 Port
  • Command line options
  • Environment variables
  • Sending signals
• OS2 specific stuff
  • What happened to the code?
  • Re-compiling
• History of the OS/2 port
• To do
• Acknowledgements
• How to contact the author
• Disclaimer

Subscribe to the OS/2 BIND port mail list. Enter 'subscribe bind' in the message body.

Some interesting links

• ISC BIND - Berkeley Internet Name Domain homepage

• get the latest official BIND releases
• get the latest OS/2 port of BIND

• A fairly recent BOG (BIND Operations Guide), available in PostScript format. Thanks to Graeme Cox there is also a somewhat recent HTML version available.
• Craig Richmond wrote and Ronny H. Kavli has edited a BIND FAQ.
• SoftAware has put up some information about DNS and WWW.
• Glenn Stevens has written an extensive DNS guide (which is locally mirrored too).
• DNS-Howto FAQ (for Linux intentionally) local mirror

The directory structure for the OS/2 port is laid down in named/pathnames.h. See section Directory layout for further information and means to fit your personal setup without recompiling. The EMX runtime 0.9c (available on ftp://ftp-os2.nmsu.edu/os2/unix/emx09c and IBM TCP/IP have to be installed. HPFS is required.

You will find the executables in the source directories (named/, tools/, tools/nslookup), make install does (of course) not work (yet).
Copy the executalbes to /tcpip/bin (recommended).

It is a good idea to have syslogd running the first time you start named. Try parameter -d for extensive debug info and/or -q for query logging. Default log level is 1; a log level of -d 20 produces over 60 kb of output during the first 2 seconds - beware...

Directory layout of the OS/2 port

Do not use backslashed in BIND's enirvonment variables, use forward slashes instead!

/tcpip/bin/

  named.exe (or somewhere in your PATH)

  named-xfer.exe (NAMED_XFER)

  nslookup.exe (or somewhere in your PATH)

  dig.exe (or somewhere in your PATH)

  dnsquery.exe (or somewhere in your PATH)

  host.exe (or somewhere in your PATH)

  addr.exe (or somewhere in your PATH)



/tcpip/help/

  nslookup.help (NAMED_HELP)



/tcpip/etc/ (ETC)

  named.pid



/tcpip/etc/namedb/ (ETC)

  named.boot (NAMED_BOOT)

  (and your configuration files) (use the 'directory' keyword in your named.boot)



/tmp/ (TMP or (TEMP)

  named.run

  named_dump.db

  named.stats

  xfer.trace

  xfer.ddt.XXXXXX

1. You are using MPTS (not LAPS, TCP/IP 2.0), so your ETC environment variable will likely point to x:/mptn/etc - your named.boot file should be located in x:/mptn/etc/namedb. You do not have to set any environment variable.
2. Using MPTS, you want to have your BIND executables in x:/mptn/bin -- set NAMED_XFER to x:/mptn/bin, set NSLOOKUP_HELP to x:/mptn/help (and copy nslookup.help to x:/mptn/help of course). named.boot is assumed to live in %ETC%/namedb/.
3. You want to have named.boot on a FAT drive - set the environment variable NAMED_BOOT to c:/named/named.bot for example (warning: BIND has not been tested on FAT drives!)

named [-d #] [-q] [-r] [-p port[/localport]] [[-b] bootfile]

New flash for the 4.9.5p1c2 port: now ndc does work under OS/2 (given you can execute the kill command). ndc facilitates reloading the nameserver database, dumping status information, stopping the server, ... A way to send signals under OS/2 is provided with the Apache httpd port. See the OS2/ directory in the OS/2 Apache archive.

OS/2 specific stuff

Look for __EMX__ defines in the code (you won't find many) to see what changed.

The nice() and renice() code has been replaced with dummy code, so the OS/2 port may consume more CPU time than neccessary.

Actually, EMX's socket library seems to poll sockets, thus OS/2 Pulse (and other CPU meters) show 100 % CPU usage - however BIND is quite well-behaved.

Re-compiling

In order to re-compile the BIND port you'll need a syslog library (on hobbes or cdrom.com; for IBM's CSet, a port of the port to EMX is available from the author) and flex 2.4.5.

/emx/include/sys/time.h was patched to include stuff I need for setitimer(). Maybe I will see this in one of the upcoming EMX distributions\dots [bad hack :)]

I removed the contrib/, shres/, doc/rfc/ directory from the original distribution, some postscript files about DNS security were also removed. If you are interested, just ftp the latest BIND distribution.

History of the OS/2 port

Eberhard Mattes

for EMX which this port heavily relies on

Christof 'Mirus' Meerwald

for his punny Linux box operating as the secondary in-house domain

Nicolai Langfeldt

for his HOWTO become a totally small time DNS admin

Jack Snodgrass

for his efforts recompiling the code and his detailed bug reports

Wieslaw Pawlowski

for his detailed bug reports

Andrew J Hood

for his useful patches

Mike Burgett

who was wondering how difficult it would be to get the contents of the ETC environment setting...

Christoph Lechleitner

for his help in general

I'm very interested in your comments and flames about the OS/2 port of BIND:
Still, if everything is running fine please tell me the domain you are serving with this BIND port, just for my ego :)

Peter Meerwald
Schieástandstr. 3
A-5061 Elsbethen/AUSTRIA

seawood@very.priv.at
pmeerw@cosy.sbg.ac.at

Disclaimer