sunet/doc/latex/intro.tex

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\chapter{Overview}\label{sec:intro}
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\section{What's SUnet?}
The Scheme Untergrund Networking Package (SUnet, for short) contains a
set of libraries for doing Internet hacking from scsh. It includes:
\begin{description}
\item[The SUnet Web server]
This is a complete implementation of an HTTP 1.0 server in Scheme.
The server is accompanied some libraries which may also be used separately:
\begin{itemize}
\item URI and URL parsers and unparsers
\item a library for writing CGI scripts in Scheme
\item server extensions for interfacing to CGI scripts
\item server extensions for uploading Scheme code
\item simple structured HTML output library
\end{itemize}
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\item[The SUnet ftp daemon]
This is a complete anonymous ftp server in Scheme.
\item[ftp client library] This library allows you to access ftp
servers programmatically.
\item[netrc library] This library parses authentication information
contained in \verb|~/.netrc|.
\item[SMTP client library] This library allows you to forge mail from
the comfort of your own Scheme process.
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\item[POP3 client library]
This library allows you to access your POP3 mailbox from inside scsh.
\item[RFC822 header library] This library parses email-style headers.
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\item[Daytime and Time protocol client library]
This library lets you find out what time it is without paying for a
Rolex.
\item[DNS client library] This is a fairly complete, multithreaded DNS
library.
\item[An \texttt{ls} clone] This library Displays Unix-style directory
listings without running \texttt{ls}.
\end{description}
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\section{Obtaining the system}
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The SUnet code is available
\urlhd{http://www.scsh.net/sunet/}{here}{from
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\url{http://www.scsh.net/sunet/}}. To run the code, you need
version 0.6.3 or later of \urlhd{http://www.scsh.net/}{scsh}{scsh from
\url{http://www.scsh.net/}}.
\section{How to use the packages}
Untar the SUnet distribution somewhere. Fire up scsh and load the
SUnet \texttt{packages.scm} file into the configuration package.
After that, all structures defined by SUnet are available:
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%
\begin{alltt}
atari-2600[72] scsh-0.6.3
Welcome to scsh 0.6.3 (Health Reform)
Type ,? for help.
> ,config ,load packages.scm
modules.scm
> ,open ftp
Load structure ftp (y/n)? y
[netrc netrc.scm]
[ftp ftp.scm]
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> ; call library code
> ,exit
atari-2600[73]
\end{alltt}
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