bin/fuzzfiles

   1 #! /bin/bash
   2
   3 # Version: MPL 1.1 / GPLv3+ / LGPLv3+
   4 #
   5 # The contents of this file are subject to the Mozilla Public License Version
   6 # 1.1 (the "License"); you may not use this file except in compliance with
   7 # the License or as specified alternatively below. You may obtain a copy of
   8 # the License at http://www.mozilla.org/MPL/
   9 #
  10 # Software distributed under the License is distributed on an "AS IS" basis,
  11 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12 # for the specific language governing rights and limitations under the
  13 # License.
  14 #
  15 # Major Contributor(s):
  16 # Copyright (C) 2011 Tata Consultancy Services, Ltd. Marc-Andre Laverdiere <marc-andre@atc.tcs.com> (initial developer)
  17 #
  18 # All Rights Reserved.
  19 #
  20 # For minor contributions see the git repository.
  21 #
  22 # Alternatively, the contents of this file may be used under the terms of
  23 # either the GNU General Public License Version 3 or later (the "GPLv3+"), or
  24 # the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
  25 # in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
  26 # instead of those above.
  27
  28 #check that zzuf is installed
  29 hash zzuf &> /dev/null
  30 if [ $? -eq 1 ];then
  31     echo >&2 "zzuf not found. Please install and/or fix the PATH environement variable. Aborting"
  32     exit -1
  33 fi
  34
  35 #check that file(s) to fuzz are mentioned
  36 if [[ $# -eq 0 ]]; then
  37     echo "Usage: fuzzfiles.sh <list of seed files to fuzz>"
  38     echo "The generated fuzzed files will be output to the current working directory"
  39     echo "The fuzzed files will be named XYZ-ratio-NNNN where:"
  40     echo -e "\tXYZ: the original file name"
  41     echo -e "\tratio: the fuzz ratio (what % of bytes were fuzzed)"
  42     echo -e "\tNNNN: the mutation # for that file and ratio combo"
  43     exit -1
  44 fi
  45
  46 for file in $@; do
  47     if [ -d $file ]; then
  48         echo "$file is a directory. Only files are allowed"
  49     elif [ -e $file ]; then
  50         basename=${file##*/}
  51         #Sequence from 0.001 to 0.5
  52         for ratio in `seq -w 1 2 500 | sed -e 's/^/0./'`; do
  53             echo "Fuzzing $file with ratio $ratio"
  54             for i in {1..1000}; do
  55                 zzuf -r $ratio < $file > "$basename-$ratio-$i"
  56                 done #end of for i in {1..
  57             done #end of for ratio in ...
  58     fi #end if of file vailidity check
  59 done #end for file in $@