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Commit38ff443

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scripts for console json Structure-Aware-Fuzzing demonstration
1 parente3435de commit38ff443

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5 files changed

+120
-0
lines changed

5 files changed

+120
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‎console_demo/Makefile

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BLOBSTAMPER_SRC :=$(wildcard ../blobstamper/*.cpp)
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BLOBSTAMPER_OBJ :=$(addsuffix .o,$(basename$(BLOBSTAMPER_SRC)))
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EXAMPLES_SRC =$(wildcard*.cpp)
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EXAMPLES_BIN =$(basename$(EXAMPLES_SRC))
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all:$(EXAMPLES_BIN)
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build-libtappp:
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$(MAKE) -C ../libtappp
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%:%.cpp$(BLOBSTAMPER_OBJ)$(BLOBSTAMPER_PG_OBJ)$(WRAPPERS_OBJ)
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$(CXX)$(CXXFLAGS) -I.. -o$@$<$(BLOBSTAMPER_OBJ)
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clean:
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-rm$(EXAMPLES_BIN)2>/dev/null
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.PHONY: test clean all
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‎console_demo/_run.sh

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#!/bin/bash
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PLAY_TIME="1m 2s"
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SAMPLE_SIZE=256
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dd if=/dev/random of=buf count=1 bs=$SAMPLE_SIZE
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tmux split-window -v"watch -d -n0.1 -c './pulp2json buf| jq -C'";
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tmux split-window -h"watch -d -n0.1 -c 'hexdump buf'"
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tmux new-window -P -d -n pseudo-fuzz"watch -d -n0.1 './pseudo_fuzz.pl'"
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tmux new-window -P -d -n watchdog"sleep$PLAY_TIME; tmux kill-session"
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‎console_demo/pseudo_fuzz.pl

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#!/usr/bin/perl
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use strict;
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use Path::Tiny;
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use bytes;
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die"file 'buf' not found"unless-e"buf";
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my$size =-s"buf";
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my$offset =int(rand($size));
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my$value =int(rand(256));
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open(my$out,'+<:raw','buf');
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seek($out,$offset, 0);
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print$outpack('C',$value);
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close$out;
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‎console_demo/pulp2json.cpp

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/******************************************************************************
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*
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* Copyright 2021 Nikolay Shaplov (Postgres Professional)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include<string>
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#include<vector>
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#include<iostream>
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#include"blobstamper/stamp_json.h"
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#include<sys/stat.h>
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#include<fstream>
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longGetFileSize(std::string filename)
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{
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structstat stat_buf;
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int rc =stat(filename.c_str(), &stat_buf);
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return rc ==0 ? stat_buf.st_size : -1;
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}
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int
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main(int argc,char *argv[])
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{
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if (argc<2)
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{
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fprintf(stderr,"Please specify input file name as first argument\n");
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exit(1);
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}
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std::string file_name = argv[1];
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std::fstream f{file_name};
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if (!f)
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{
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std::cerr <<"Unable to open file '"<<file_name<<"'\n";
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exit (1);
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}
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long file_size =GetFileSize(file_name);
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std::vector<char>buffer (file_size,0);
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f.read(&buffer[0], buffer.size());
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auto blob = std::make_shared<Blob>(&buffer[0], buffer.size());
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auto stamp_j = std::make_shared<StampJSON>();
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std::string s = stamp_j->ExtractStr(blob);
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printf("%s\n", s.c_str());
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}

‎console_demo/run.sh

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tmux new-session"bash _run.sh"

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