#!/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