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|
#! /bin/sh
set -euf
Server='httpd-single/0.2'
Request="$(sed 's/\r$//;/^$/q')"
date="`date '+%Y-%m-%d %H:%M:%S'`"
##
## Parse request.
##
Request_Line=
eval "$(echo "$Request" | sed -rn '
1{s^([a-zA-Z]+) ([a-zA-Z0-9?&+*/.-]+) HTTP/([0-9]+\.[0-9]+)$\
Request_Line="&"\
Method="\1"\
Request_URI="\2"\
HTTP_Version="\3"\
p;t;i\
Request_Line= # invalid request
q
}
s/^Host: ([a-zA-Z0-9?+&/:.-]+)$/Host="\1"/p
')"
##
## Log request.
##
# TODO real logging
cat>&2<<EOF
## $date, $TCPREMOTEIP:$TCPREMOTEPORT $Request_Line
$Request
EOF
if test -z "$Request_Line" ; then
echo "# [1;31mFAIL[m"
exit -23
fi >&2
# TODO Date: `date --utc`
##
## Handle request.
##
case "$Host" in
src.mine.nu:42380|src.mine.nu|vix|vix:42380|localhost:42380)
case "${Method-Invalid-Request}" in
GET|HEAD)
case "$Request_URI" in
/style5.css)
body_type=file
body=~/public_html$Request_URI
cat<<EOF
HTTP/1.0 200 OK
Connection: Close
Content-Length: `du -b $body | cut -f1`
Content-Type: text/css
Server: $Server
EOF
;;
/favicon5.png|/favicon2.png)
body_type=file
body=~/public_html$Request_URI
cat<<EOF
HTTP/1.0 200 OK
Connection: Close
Content-Length: `du -b $body | cut -f1`
Content-Type: image/png
Server: $Server
EOF
;;
/|/index.html)
body_type=file
body=~/public_html/index.html
cat<<EOF
HTTP/1.0 200 OK
Content-Type: text/html; charset=UTF-8
Server: $Server
Connection: Close
Content-Length: `du -b $body | cut -f1`
EOF
;;
*)
body_type=string
body="404 Not found: $Request_URI"
cat<<EOF
HTTP/1.0 404 Not Found
Content-Type: text/plain; charset=UTF-8
Server: $Server
Connection: Close
Content-Length: ${#body}
EOF
;;
esac
case "$Method" in
GET)
case "$body_type" in
file) cat "$body" ;;
string) echo "$body" ;;
esac
;;
esac
;;
*) # Method
;;
esac
;;
*) # Host
;;
esac
# Success (mod transfer)
echo "# OK" >&2
exit
# tcpserver info:
# $PROTO is the string TCP.
#
# $TCPLOCALIP is the IP address of the local host, in dotted-decimal form.
#
# $TCPLOCALPORT is the local TCP port number, in decimal.
#
# $TCPLOCALHOST is the name listed in DNS for the local host. If no name is available, $TCPLOCALHOST is not set. Beware that $TCPLOCALHOST can contain arbitrary characters.
#
# $TCPREMOTEIP is the IP address of the remote host, in dotted-decimal form.
#
# $TCPREMOTEPORT is the remote TCP port number, in decimal.
#
# $TCPREMOTEHOST is the name listed in DNS for the remote host. If no name is available, $TCPREMOTEHOST is not set. Beware that $TCPREMOTEHOST can contain arbitrary characters.
#
# $TCPREMOTEINFO is a connection-specific string supplied by the remote host via the 931/1413/IDENT/TAP protocol. If no information is available, $TCPREMOTEINFO is not set. Beware that $TCPREMOTEINFO can contain arbitrary characters.
|
