bin/fuzzfiles

   1 #! /bin/bash
   2 #
   3 # This file is part of the LibreOffice project.
   4 #
   5 # This Source Code Form is subject to the terms of the Mozilla Public
   6 # License, v. 2.0. If a copy of the MPL was not distributed with this
   7 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8 #
   9
  10 #check that zzuf is installed
  11 hash zzuf &> /dev/null
  12 if [ $? -eq 1 ];then
  13     echo >&2 "zzuf not found. Please install and/or fix the PATH environement variable. Aborting"
  14     exit -1
  15 fi
  16
  17 #check that file(s) to fuzz are mentioned
  18 if [[ $# -eq 0 ]]; then
  19     echo "Usage: fuzzfiles.sh <list of seed files to fuzz>"
  20     echo "The generated fuzzed files will be output to the current working directory"
  21     echo "The fuzzed files will be named XYZ-ratio-NNNN where:"
  22     echo -e "\tXYZ: the original file name"
  23     echo -e "\tratio: the fuzz ratio (what % of bytes were fuzzed)"
  24     echo -e "\tNNNN: the mutation # for that file and ratio combo"
  25     exit -1
  26 fi
  27
  28 for file in $@; do
  29     if [ -d $file ]; then
  30         echo "$file is a directory. Only files are allowed"
  31     elif [ -e $file ]; then
  32         basename=${file##*/}
  33         #Sequence from 0.001 to 0.5
  34         for ratio in `seq -w 1 2 500 | sed -e 's/^/0./'`; do
  35             echo "Fuzzing $file with ratio $ratio"
  36             for i in {1..1000}; do
  37                 zzuf -r $ratio < $file > "$basename-$ratio-$i"
  38                 done #end of for i in {1..
  39             done #end of for ratio in ...
  40     fi #end if of file vailidity check
  41 done #end for file in $@