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path: root/pkgs/tools/security/super/default.nix
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{ lib, stdenv, fetchurl, fetchpatch, libxcrypt }:

stdenv.mkDerivation rec {
  pname = "super";
  version = "3.30.0";

  src = fetchurl {
    name = "super-${version}.tar.gz";
    url = "https://www.ucolick.org/~will/RUE/super/super-${version}-tar.gz";
    sha256 = "0k476f83w7f45y9jpyxwr00ikv1vhjiq0c26fgjch9hnv18icvwy";
  };

  prePatch = ''
    # do not set sticky bit in nix store
    substituteInPlace Makefile.in \
      --replace "-o root" "" \
      --replace 04755 755
  '';

  patches = [
    ./0001-Remove-references-to-dropped-sys_nerr-sys_errlist-fo.patch
    (fetchpatch {
      name = "CVE-2014-0470.patch";
      url = "https://salsa.debian.org/debian/super/raw/debian/3.30.0-7/debian/patches/14-Fix-unchecked-setuid-call.patch";
      sha256 = "08m9hw4kyfjv0kqns1cqha4v5hkgp4s4z0q1rgif1fnk14xh7wqh";
    })
  ];

  # -fcommon: workaround build failure on -fno-common toolchains like upstream
  # gcc-10. Otherwise build fails as:
  #   ld: pam.o:/build/super-3.30.0/super.h:293: multiple definition of
  #     `Method'; super.o:/build/super-3.30.0/super.h:293: first defined here
  env.NIX_CFLAGS_COMPILE = "-D_GNU_SOURCE -fcommon";

  configureFlags = [
    "--sysconfdir=/etc"
    "--localstatedir=/var"
  ];

  buildInputs = [ libxcrypt ];

  installFlags = [ "sysconfdir=$(out)/etc" "localstatedir=$(TMPDIR)" ];

  meta = {
    homepage = "https://www.ucolick.org/~will/#super";
    description = "Allows users to execute scripts as if they were root";
    longDescription =
      ''
        This package provides two commands: 1) “super”, which allows
        users to execute commands under a different uid/gid (specified
        in /etc/super.tab); and 2) “setuid”, which allows root to
        execute a command under a different uid.
      '';
    platforms = lib.platforms.linux;
  };
}