{ lib, stdenv, fetchFromGitLab, pkg-config, ppp, libevent, openssl, autoreconfHook }:

stdenv.mkDerivation rec {
  pname = "sstp-client";
  version = "unstable-2023-03-25";

  src = fetchFromGitLab {
    owner = "sstp-project";
    repo = pname;
    rev = "3f7835df9ac5e84729903ca536cf65e4a7b04c6c";
    hash = "sha256-8VF5thSABqf5SXEDCa+0dyDt7kVrQcs6deWLlYWM8dg=";
  };

  postPatch = ''
    sed 's,/usr/sbin/pppd,${ppp}/sbin/pppd,' -i src/sstp-pppd.c
    sed "s,sstp-pppd-plugin.so,$out/lib/pppd/sstp-pppd-plugin.so," -i src/sstp-pppd.c
  '';

  configureFlags = [
    "--with-openssl=${openssl.dev}"
    "--with-runtime-dir=/run/sstpc"
    "--with-pppd-plugin-dir=$(out)/lib/pppd"
  ];

  nativeBuildInputs = [ pkg-config autoreconfHook ];

  buildInputs = [ libevent openssl ppp ];

  meta = with lib; {
    description = "SSTP client for Linux";
    homepage = "https://sstp-client.sourceforge.net/";
    platforms = platforms.linux;
    maintainers = [ ];
    license = licenses.gpl2Plus;
    mainProgram = "sstpc";
  };
}
