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introduce attack script

Browse source 
Seems like it would be a good idea to try to mess with the
server at least before someone else does it for us

Just run the script

$ test-server/attack.sh

it will spawn a test server and fire things at it.  If you
see the end result

---- survived

then you should be OK.

Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2013-02-12 12:56:05 +08:00
parent 94f94652ed
commit f59d56cbd8
1 changed files with 148 additions and 0 deletions
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148
test-server/attack.sh Executable file
View file

@ -0,0 +1,148 @@
#!/bin/sh
#
# attack the test server and try to make it fall over
#
SERVER=127.0.0.1
PORT=7681
LOG=/tmp/lwslog
CPID=
LEN=0
function check {
kill -0 $CPID
if [ $? -ne 0 ] ; then
echo "(killed it) *******"
exit 1
fi
dd if=$LOG bs=1 skip=$LEN 2>/dev/null
LEN=`stat $LOG -c %s`
}
rm -rf $LOG
killall libwebsockets-test-server 2>/dev/null
libwebsockets-test-server -d31 2>> $LOG &
CPID=$!
while [ -z "`grep Listening $LOG`" ] ; do
sleep 0.5s
done
check
echo
echo "---- spam enough crap to not be GET"
echo "not GET" | nc $SERVER $PORT
check
echo
echo "---- spam more than the name buffer of crap"
dd if=/dev/urandom bs=1 count=80 2>/dev/null | nc -i1s $SERVER $PORT
check
echo
echo "---- spam 10MB of crap"
dd if=/dev/urandom bs=1 count=655360 | nc -i1s $SERVER $PORT
check
echo
echo "---- malformed URI"
echo "GET nonsense................................................................................................................" \
| nc -i1s $SERVER $PORT
check
echo
echo "---- missing URI"
echo -e "GET HTTP/1.1\x0d\x0a\x0d\x0a" | nc -i1s $SERVER $PORT >/tmp/lwscap
check
echo
echo "---- repeated method"
echo -e "GET blah HTTP/1.1\x0d\x0aGET blah HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT >/tmp/lwscap
check
echo
echo "---- crazy header name part"
echo -e "GET blah HTTP/1.1\x0d\x0a................................................................................................................" \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
| nc -i1s $SERVER $PORT
check
echo
echo "---- excessive uri content"
echo -e "GET ................................................................................................................" \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
| nc -i1s $SERVER $PORT
check
echo
echo "---- good request but http payload coming too (should be ignored and test.html served)"
echo -e "GET blah HTTP/1.1\x0d\x0a\x0d\x0aILLEGAL-PAYLOAD........................................" \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
| nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check
diff /tmp/lwscap /usr/share/libwebsockets-test-server/test.html > /dev/null
if [ $? -ne 0 ] ; then
echo "FAIL: got something other than test.html back"
exit 1
fi
echo
echo "---- directory attack"
rm -f /tmp/lwscap
echo -e "GET ../../../../etc/passwd HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check
diff /tmp/lwscap /usr/share/libwebsockets-test-server/test.html > /dev/null
if [ $? -ne 0 ] ; then
echo "FAIL: got something other than test.html back"
exit 1
fi
echo
echo "--- survived"
kill -2 $CPID