netsniff-ng v0.6.5
[netsniff-ng.git] / dissector_fuzz.sh
blob40b61708f92320f36276d99d268ecf3d75462a62
1 #!/usr/bin/env bash
2 # -*- coding: utf-8 -*-
4 # dissector_fuzz.sh -- fuzz test netsniff-ng's dissector and pcap io methods
5 # with shitty pcap example files from the Wireshark archive
7 # Copyright (C) 2012 Daniel Borkmann <borkmann@redhat.com>
8 # Copyright (C) 2012 Stefan Seering <sseerin@imn.htwk-leipzig.de>
10 # Note: build and *install* the toolkit first before running this script!
12 # This program is free software; you can redistribute it and/or modify
13 # it under the terms of the GNU General Public License version 2 as
14 # published by the Free Software Foundation.
16 set -u
18 if [ ${BASH_VERSINFO} -lt 3 ] ; then
19 echo 'Error: Your bash need to be version 3 or newer. Exiting.'
20 exit 1 # operators like =~ produce errors silently in old bash versions, so exit here
23 archive='ftp://wireshark.org/automated/captures/'
24 show_output='' # empty string evaluates to false
25 run_through='' # empty string evaluates to false
26 count_cores=0
27 count_files=0
28 netsniff_ng_opts=''
30 if [ $# -gt 0 ] ; then
31 if [ "$1" = '-h' -o "$1" = '--help' -o "$1" = '--usage' ] ; then
32 echo 'Usage: dissector_fuzz [-s (show netsniff-ng output, default: no)] [-r (keep running on errors, default: no)] [netsniff-ng long-args]'
33 exit 0
36 for opt in $@ ; do
37 if [ "${opt}" = '-s' ] ; then
38 show_output='true'
39 elif [ "${opt}" = '-r' ] ; then
40 run_through='true'
41 else
42 netsniff_ng_opts="${netsniff_ng_opts} ${opt}";
44 done
47 mkdir -p fuzzing
48 cd fuzzing
49 wget -r -Nc -np -nd -A.pcap "$archive" |& grep -E "%|^--"
50 ulimit -c unlimited
51 rm -f core
52 for file in *.pcap
54 echo "Testing file $file ..."
55 if [ $show_output ]; then
56 netsniff-ng --in "$file" "${netsniff_ng_opts}"
57 else
58 netsniff-ng --in "$file" "${netsniff_ng_opts}" > /dev/null
60 if [ -e core ]; then
61 echo "Fuck, core dumped on $file!"
62 let count_cores=count_cores+1
63 if [ $run_through ]; then
64 rm core
65 else
66 exit
69 done
71 if which cowsay > /dev/null ; then
72 echo_cmd='cowsay'
73 else
74 echo_cmd='echo'
77 ${echo_cmd} 'Your fuckup Score'
78 echo " * tested pcaps: $count_files"
79 echo " * core dumps: $count_cores"