eris/break-fnord.sh

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#! /bin/sh
## Breaking fnord 1.10
if [ "$1" = "clean" ]; then
rm -rf fnord-1.10
fi
# Set HTTPD= to test something else
case ${HTTPD:=./fnord} in
*fnord)
: ${HTTPD_IDX:=$HTTPD-idx}
: ${HTTPD_CGI:=$HTTPD-cgi}
;;
esac
title() {
printf "%-50s: " "$1"
tests=$(expr $tests + 1)
}
successes=0
pass () {
echo 'pass'
successes=$(expr $successes + 1)
}
failures=0
fail () {
echo 'fail'
failures=$(expr $failures + 1)
}
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d () {
tr '\r\n' '#%'
}
if [ ! -f fnord-1.10.tar.bz2 ]; then
wget http://www.fefe.de/fnord/fnord-1.10.tar.bz2
fi
if [ ! -f fnord-1.10/httpd.c ]; then
rm -rf fnord-1.10
bzcat fnord-1.10.tar.bz2 | tar xf -
fi
cd fnord-1.10
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# Comment this out if you want to build with diet libc
make DIET=
if [ ! -d default ]; then
mkdir default
echo james > default/index.html
touch default/a
cat <<EOD > default/a.cgi
#! /bin/sh
echo 'Content-type: text/plain'
ls / > /dev/null # delay a little
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set
EOD
chmod +x default/a.cgi
mkdir empty:80
fi
cat <<EOD
HTTPD: $HTTPD
CGI: $HTTPD_CGI
IDX: $HTTPD_IDX
-----------------------------------------
EOD
# 1. Should return directory listing of /; instead segfaults
title "Directory indexing of /"
printf 'GET / HTTP/1.0\r\nHost: empty\r\n\r\n' | $HTTPD_IDX 2>/dev/null | grep -q 200 && pass || fail
# 2. Should output \r\n\r\n; instead outputs \r\n\n
title "CGI output bare newlines"
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printf 'GET /a.cgi HTTP/1.0\r\n\r\n' | $HTTPD_CGI 2>/dev/null | d | grep -q '#%#%' && pass || fail
# 3. Should process both requests; instead drops second
title "Multiple requests in one packet"
printf 'GET / HTTP/1.1\r\nHost: a\r\nConnection: keep-alive\r\n\r\nGET / HTTP/1.1\r\nHost: a\r\nConnection: keep-alive\r\n\r\n' | $HTTPD 2>/dev/null | grep -c '^HTTP/1.' | grep -q 2 && pass || fail
# 4. Should return 406 Not Acceptable; instead ignores Accept header
title "Accept header"
printf 'GET / HTTP/1.0\r\nAccept: nothing\r\n\r\n' | $HTTPD 2>/dev/null | grep 406 && pass || fail
# 5. Should serve second request as default MIME-Type (text/plain); instead uses previous mime type
title "Second MIME-Type"
(printf 'GET / HTTP/1.1\r\nHost: a\r\nConnection: keep-alive\r\n\r\n'
ls / > /dev/null # Delay required to work around test #3
printf 'GET /a HTTP/1.1\r\nHost: a\r\nConnection: keep-alive\r\n\r\n') | $HTTPD 2>/dev/null | grep -q 'text/plain\|application/octet-stream' && pass || fail
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# 6. Should consume POST data; instead tries to read POST data as second request
title "POST to static HTML"
(printf 'POST / HTTP/1.1\r\nHost: a\r\nConnection: keep-alive\r\nContent-Type: text/plain\r\nContent-Length: 1\r\n\r\n';
ls / > /dev/null
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printf 'aPOST / HTTP/1.1\r\nHost: a\r\nConnection: keep-alive\r\nContent-Type: text/plain\r\nContent-Length: 1\r\n\r\na') | $HTTPD 2>/dev/null | grep -c '200 OK' | grep -q 2 && pass || fail
# 7. HTTP/1.1 should default to keepalive; instead connection is closed
title "HTTP/1.1 default keepalive"
(printf 'GET / HTTP/1.1\r\nHost: a\r\n\r\n'
ls / >/dev/null
printf 'GET / HTTP/1.1\r\nHost: a\r\n\r\n') | $HTTPD 2>/dev/null | grep -c '^HTTP/' | grep -q 2 && pass || fail
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# 8. Should parse "Thursday"; instead assumes all day names are 6 characters long
title "RFC 850 Date"
printf 'GET / HTTP/1.0\r\nIf-Modified-Since: Thursday, 27-Feb-30 12:12:12 GMT\r\n\r\n' | $HTTPD 2>/dev/null | grep -q '304 Not Changed' && pass || fail
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# 9. Should set PATH_INFO to /; instead sets it to /index.html
title "PATH_INFO=/"
printf 'GET /a.cgi/ HTTP/1.0\r\n\r\n' | $HTTPD_CGI 2>/dev/null | grep -Eq 'PATH_INFO=.?/.?$' && pass || fail
cat <<EOD
-----------------------------------------
$successes of $tests tests passed ($failures failed).
EOD
exit $failures