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#!/bin/sh
#for instructions or updates go to:
#<A HREF="http://math.ucr.edu:8889/">This script's home page</A>
#email me questions or comments at:
#<A HREF="mailto:insom@math.ucr.edu">insom@math.ucr.edu</A>
#copyright chris ulrich; This software may be used or modified
#in any way so long as this notice remains intact.
#
# WWW server in sh
# Author: Chris Ulrich <chris@tinker.ucr.edu>
#
INDEX=index.html
date=`date`
DOCHOME=/home/insom/web-docs
BINHOME=/home/insom/web-bin
LOGHOME=/home/insom/web-logs
LOGFILE=$LOGHOME/access_log
#verbose=:
verbose=echo
exec 2>> $LOGHOME/error_log
hheader() {
echo "HTTP/1.0 200 OK
Server: WebSH/2.00
Connection: close
Date: $date"
}
header() {
echo "Content-type: $1
"
}
no_url() {
header "text/plain"
echo "No such url $1"
}
send() {
#case "$#" in 2) ;; *) echo eep! | mailx insom@math.ucr.edu ; exit 3 ;; esac
if test -f "$DOCHOME/$2"
then
header "$1"
cat "$DOCHOME/$2"
else
no_url "$2"
fi
}
LsToHTML() {
if test -f "$DOCHOME/$url/.title"
then
header "text/html; charset=US-ASCII"
echo "<pre>"
cat "$DOCHOME/$url/.title"
echo "</pre>"
elif test -f "$DOCHOME/$url/.title.html"
then
header "text/html; charset=US-ASCII"
cat "$DOCHOME/$url/.title.html"
else
header "text/html; charset=US-ASCII"
fi
case "$url" in
/) ;;
*) url="$url/"
esac
while read link
do
case $link in
*.cgi) ;;
*)
echo "<A HREF=\"$url$link\">$link</A> <BR>"
;;
esac
done
}
read method data
$verbose "
$date access from ${TCPREMOTEINFO:=NO-IDENT}@${TCPREMOTEHOST:=$TCPREMOTEIP}
on local machine $TCPLOCALHOST
$method $data " >> $LOGFILE
for hopeurl in $data
do
url="${url}${url:+ }$second"
second="$hopeurl"
done
case "$second" in
*[1-9].*)
read inheader
while
case "$inheader" in
?|'') false
;;
*)
read inheader
;;
esac
do
:
done
hheader
;;
esac
case "$url" in
*..*)
no_url "$url"
exit 1
;;
*.txt|*.[ch])
send "text/plain; charset=US-ASCII" "$url"
;;
*.html)
send "text/html; charset=US-ASCII" "$url"
;;
*.cgi)
if test -x "$DOCHOME/$url"
then
read message
echo "$message" | "$DOCHOME/$url"
else
no_url "$url"
fi
;;
*".cgi?"*)
oIFS="$IFS"
echo "$url" | {
IFS='?' read url QUERY_STRING
if test -x "$DOCHOME/$url"
then
IFS="$oIFS"
export QUERY_STRING
"$DOCHOME/$url"
else
no_url "$url"
fi
}
;;
*.[Gg][Ii][Ff])
send "image/gif" "$url"
;;
*.[Jj][Pp][Gg]|*.[Jj][Pp][Ee][Gg])
send "image/jpeg" "$url"
;;
*.tbl)
header "text/html; charset=US-ASCII"
echo "<pre>"
test -f "$DOCHOME/$url" &&
tbl < "$DOCHOME/$url" | nroff ||
no_url "$url"
echo "</pre>"
;;
*.nroff)
header "text/html; charset=US-ASCII"
echo "<pre>"
test -f "$DOCHOME/$url" &&
nroff < "$DOCHOME/$url" ||
no_url "$url"
echo "</pre>"
;;
*mp[23])
if test -f "$DOCHOME/$url"
then
header "application/mpstream"
echo "+$TCPLOCALIP:${MPSERVPORT:=9001}/$url"
else
no_url "$url"
fi
;;
*.[0-9]|*.[0-9][a-z])
header "text/html; charset=US-ASCII"
echo "<pre>"
if test -f "$DOCHOME/$url"
then
#nroff -man "$DOCHOME/$url" | $BINHOME/man2html
echo "perl at the moment is broken, so man2html doesn't work. Sorry."
echo "</pre>"
else
no_url "$url"
fi
;;
*.???|*.??)
send "unknown/data" "$url"
;;
*/)
if test -d "$DOCHOME/$url"
then
ls "$DOCHOME/$url" | LsToHTML
fi
;;
*)
if test -f "$DOCHOME/$url"
then
read filetype < "$DOCHOME/$url"
case "$filetype" in
\#!/*/*|\#!?/*/*)
header "text/plain; charset=US-ASCII"
cat "$DOCHOME/$url"
;;
'<!*>')
header "text/html; charset=US-ASCII"
cat "$DOCHOME/$url"
;;
*)
header "text/html; charset=US-ASCII"
echo "<pre>"
cat "$DOCHOME/$url"
echo "</pre>"
;;
esac
elif test -f "$DOCHOME/$url/$INDEX"
then
header "text/html; charset=US-ASCII"
cat "$DOCHOME/$url/$INDEX"
elif test -d "$DOCHOME/$url"
then
ls "$DOCHOME/$url" | LsToHTML
else
no_url "$url"
fi
;;
esac
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