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INSTALL.md

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Installing and Building ZMap

Installing via Package Manager

ZMap operates on GNU/Linux, macOS, and BSD. The latest stable version (v2.1.1) can be installed using most OS package managers:

OS
Fedora 19+ or EPEL 6+ sudo yum install zmap
Debian 8+ or Ubuntu 14.04+ sudo apt install zmap
Gentoo sudo emerge zmap
macOS (using Homebrew) brew install zmap
Arch Linux sudo pacman -S zmap

Building from Source

Installing ZMap Dependencies

ZMap has the following dependencies:

  • CMake - Cross-platform, open-source build system
  • GMP - Free library for arbitrary precision arithmetic
  • gengetopt - Command line option parsing for C programs
  • libpcap - Famous user-level packet capture library
  • flex and byacc - Output filter lexer and parser generator
  • json-c - JSON implementation in C
  • libunistring - Unicode string library for C
  • libdnet - (macOS Only) Gateway and route detection

Install the required dependencies with the following commands.

  • On Debian-based systems (including Ubuntu):

    sudo apt-get install build-essential cmake libgmp3-dev gengetopt libpcap-dev flex byacc libjson-c-dev pkg-config libunistring-dev

  • On RHEL- and Fedora-based systems (including CentOS):

    sudo yum install cmake gmp-devel gengetopt libpcap-devel flex byacc json-c-devel libunistring-devel

  • On macOS systems (using Homebrew):

    brew install pkg-config cmake gmp gengetopt json-c byacc libdnet libunistring

  • To launch a shell inside a Docker container with the build dependencies mounted at /src:

    docker run -it -v $(pwd):/src zmap/builder

Building and Installing ZMap

Once these prerequisites are installed, ZMap can be compiled by running:

cmake .
make -j4

and then installed via sudo make install.

Development Notes

  • Enabling development turns on debug symbols, and turns off optimizations. Release builds should be built with -DENABLE_DEVELOPMENT=OFF.

  • Enabling log_trace can have a major performance impact and should not be used except during early development. Release builds should be built with -DENABLE_LOG_TRACE=OFF.

  • Building packages for some systems like Fedora and RHEL requires a user-definable directory (buildroot) to put files. The way to respect this prefix is to run cmake with -DRESPECT_INSTALL_PREFIX_CONFIG=ON.

  • Manpages (and their HTML representations) are generated from the .ronn source files in the repository, using the ronn tool. This does not happen automatically as part of the build process; to regenerate the man pages you'll need to run make manpages. This target assumes that ronn is in your PATH.

  • Building with some versions of CMake may fail with unable to find parser.h. If this happens, try updating CMake. If it still fails, don't clone ZMap into a path that contains the string .com, and try again.

  • ZMap may be installed to an alternative directory, with the CMAKE_INSTALL_PREFIX option. For example, to install it in $HOME/opt run

    cmake -DCMAKE_INSTALL_PREFIX=$HOME/opt .
make -j4
make install