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Enjoy NETPIPES 4
by Robert Forsman
thoth@purplefrog.com
primary ftp site: ftp://ftp.purplefrog.com/pub/netpipes/
HTML docs: http://web.purplefrog.com/~thoth/netpipes/netpipes.html
ssl-auth archive site: http://www.cryptography.org/ , then look in
the network/ subdirectory
----
WHY NOW? (10/28/1998)
I've been sitting on some new features and general fixes for too
long. It would be 4.1.2, but I added the --netslave* flags and a
couple of new criteria for ssl-auth. Have a slice of 4.2 pie! yummy!
It seems to work for me, but I'm sure it has bugs ("Hey, Bob,
beautiful car, but WHERE'S THE STEERING WHEEL?!").
``Break it and send me the pieces.''
-attribution lost
----
BUILDING
Check the Makefile. You will want to change where it installs
stuff. Some systems require extra libraries and each one requires
slightly different compile flags.
Type "make". Witness the miracle of compilation.
If you have the US/Canada version, the SSLeay-0.8.1 library and wish
to build ssl-auth, then instead type "make all ssl-auth".
To install the binaries and manual pages, "make INSTROOT=/usr/local
install". Change INSTROOT to taste (it defaults to
/depot/collections0/netpipes-x.x).
----
CHANGES
4.2 added the -netslave* flags to hose. These flags are introduced
to cope with servers who do not gracefully deal with a close of half
of the connection. Also new is "support" for GNU Win32. This
basically involves removing the UNIX-domain sockets. Unfortunately, I
think there are bugs in GNU Win32 because the subprocesses are unable
to perform I/O on the descriptors as reliably as under UNIX. It also
includes some porting patches. In ssl-auth, we've added some new
criteria: --public-key-match-cert, --cert-md5-digest, and
--write-pem-cert.
4.1 switched over to HTML as the primary means of documentation. I
build the .man pages from the HTML using a mind-numbingly primitive
and barely functional perl script. Faucet & hose now set SO_REUSEADDR
by default. They had no such capability before. This should cut down
on the "address in use" errors. Faucet now supports a backlog
parameter to listen(2) like TCP Suite. Encapsulate now supports a
"--slave"-like mode. Encapsulate should now support specifying the
SCP session id. Hose used to core dump when you forgot to specify the
subcommand; no more.
4.0 adds a pair of new utilities. The classic faucet and hose
should be very solid, but encapsulate, and timelimit have seen very
limited testing, and might not even build out-of-the-box. As always,
send me email with your problems.
3.0 changed the way that the subcommand is specified. It is MUCH
better than the ancient way. Read the manual pages.
---
EMAIL LIST!
Join the email list. This way I will have a list of interested
folks to whom I can announce each release. Send email to
majordomo@purplefrog.com with a message containing either
subscribe netpipes
or
subscribe netpipes-announce
The netpipes list is for netpipes-related discussion, trading magic
spells, help compiling, etc. but not for politics or jokes. The
netpipes-announce list is strictly for me to announce new releases and
patches and includes everyone on the netpipes list (so don't subscribe
to both).
---
BABBLINGS OF A MAN DRIVEN INSANE BY HIS INSIGHT INTO THE WORKINGS OF
THE UNIVERSE (or, GUY WHO READ TOO MUCH H.P.LOVECRAFT)
Someone suggested using setsid(2) to disassociate myself from the
terminal. Sounds great. I hope everyone has it.
Also, I need portable ways to clean up child processes. Maybe I'll
just read the perl source one day or buy the Stevens Advanced UNIX
Programming book.
This program has, in the past, been compiled and tested on a DEC
5100, an RS6k, an HP9k, an SGI, SCO v5.0.2, a Solaris box, SunOS
4.1.3, DG/UX 4.11 MU04, and sees almost daily usage under Linux 2.0.x.
If you compile this program on an architecture/OS not mentioned
above, drop me a line. If you have problems compiling on any
architecture, I want to hear about it (and I'll try to help you fix
the problem and make sure that the next version compiles out of the
box).
Normally, I say all software sucks, but I can now proudly say that
NETPIPES RULES! If you disagree, tell me why and I'll see if I can
fix it.
---
SSL-AUTH
Since SSL-AUTH uses cryptography libraries, I can't distribute it
with the main NetPipes package. However, I finally found a site that
can distribute it for me. If you are in the U.S. or Canada and are a
citizen of those countries, you can download the full version of
NetPipes from http://www.cryptography.org/ . You will have to fill
out a simple HTTP form to affirm that you can legally download the
software, and then it will give you access.
---
THINGS NOT INCLUDED
SSLeay-0.8.1 . You need to go get your own version of this.
ftp://ftp.psy.uq.oz.au/pub/Crypto/SSL
I want to re-distribute multitee by Dan Bernstein. It's rather
awkward to use properly, but when you can get the invocation just
right, it is a nuclear-powered power-tool! I'm currently too rushed
to properly integrate it into the build tree, so you should just go
get it yourself. Assuming you can find it :/
---
OTHER PACKAGES LIKE NETPIPES
The idea behind NetPipes is like the wheel. Everybody reinvents it.
Here are some other packages that do similar stuff, some of which
might predate netpipes:
ucspi-tcp 0.73 beta
Apr 10, 1997
Dan Bernstein
http://pobox.com/~djb/ucspi-tcp.html
netcat 1.10
Mar 20, 1996
popular with "elite hackers"
Avian Research <hobbit@avian.org>
ftp://avian.org/src/hacks/nc110.tgz
Weld's NT version:
http://l0pht.com/~weld/netcat/
Socket 1.1
September 1992
Jrgen Nickelsen
http://www.snafu.de/~jn/socket.html
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