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https://gist.github.com/application2000/73fd6f4bf1be6600a2cf9f56315a2d91 | |
sudo apt-get update -y && \ | |
sudo apt-get upgrade -y && \ | |
sudo apt-get dist-upgrade -y && \ | |
sudo apt-get install build-essential software-properties-common -y && \ | |
sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && \ | |
sudo apt-get update -y && \ | |
sudo apt-get install gcc-7 g++-7 -y && \ | |
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 60 --slave /usr/bin/g++ g++ /usr/bin/g++-7 && \ |
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Source material: | |
http://security.stackexchange.com/questions/24444/what-is-the-most-hardened-set-of-options-for-gcc-compiling-c-c | |
https://wiki.gentoo.org/wiki/Hardened_Gentoo | |
https://wiki.debian.org/Hardening | |
================================================================================================================> | |
GCC Security related flags and options: | |
CFLAGS="-fPIE -fstack-protector-all -D_FORTIFY_SOURCE=2" | |
LDFLAGS="-Wl,-z,now -Wl,-z,relro" |
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#include <iostream> | |
#include <sstream> | |
#include <fstream> | |
/* Serialize a function by writing out a pointer to its location in memory. | |
* This will only work between two processes running identical binaries. | |
* | |
* One difficulty is ASLR: | |
* Address space layout randomization (ASLR) puts functions in a different | |
* place in memory everytime a program is loaded. Within a given binary |
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/* | |
* Copyright (C) 2013 readyState Software Ltd | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software |