use afl preeny to fuzz nginx

start-fuzz-18.04.sh

#!/bin/bash
# fuzz-nginx

FUZZER_AFL_PATH="$HOME/Fuzz/fuzzer/afl.git"
NGINX_PATH="$HOME/Fuzz/fuzz-nginx/nginx.git"
WORK_PATH="$HOME/Fuzz/fuzz-nginx"
CLANG_LLVM_PATH="$HOME/Fuzz/fuzz-nginx/clang-3.8.0/clang+llvm-3.8.0-x86_64-linux-gnu-ubuntu-16.04/bin"


install_preeny(){
    sudo rm -rf preeny/x86_64-linux-gnu/
    sudo apt-get install libini-config-dev -y

    cd $WORK_PATH
    git clone https://github.com/zardus/preeny.git
    cd preeny
    make

    echo -e "[*] $(pwd)/x86_64-linux-gnu/desock.so is compiled!\n"
}

compile_afl(){
    # use llvm 3.8
    export PATH=$CLANG_LLVM_PATH:$PATH

    cd $FUZZER_AFL_PATH
    make && sudo make install
    # test on ubuntu16.04
    # sudo apt-get install clang-6.0 llvm-6.0 llvm-6.0-dev llvm-6.0-runtime -y
    cd $FUZZER_AFL_PATH/llvm_mode
    export LLVM_CONFIG=llvm-config
    make

    # ubuntu18.04 or ubuntu16.04 is both ok
    cd ../ && sudo make install

}

compile_nginx(){
    sudo apt-get install zlib1g-dev libpcre3 libpcre3-dev libbz2-dev libssl-dev build-essential -y
    cd $NGINX_PATH
    echo -e "[*] $(pwd) \n"
    read -n 1 -p "[*] you need to patch nginx...(y?)"
    echo -e "[*] OK assume you have patched...\n"

    sudo make clean
    rm -rf ../nginx-dist-18.04
    mkdir ../nginx-dist-18.04
    # cp auto/configure ./
    export CC=`which afl-clang-fast`
    export CXX=`which afl-clang-fast++`
    # export CC=`which afl-clang`
    # export CXX=`which afl-clang++`
    # export CC=`which afl-gcc`
    # export CXX=`which afl-g++`
    # export CFLAGS=""
    # export KERNEL_BITS=64
    # export std=c++11
    ./configure  --prefix=$NGINX_PATH/../nginx-dist-18.04/ --with-select_module
    make && make install
}

# install_preeny
# read -n 1 -p "preey is done"
# compile_afl
# read -n 1 -p "afl is done"
# compile_nginx
LD_PRELOAD=$HOME/Fuzz/fuzz-nginx/preeny/x86_64-linux-gnu/desock.so ./nginx-dist-18.04/sbin/nginx