{ stdenv, fetchurl, pkgconfig, libnl, openssl, sqlite ? null }:

with stdenv.lib;
stdenv.mkDerivation rec {
  name = "hostapd-${version}";
  version = "2.6";

  src = fetchurl {
    url = "https://w1.fi/releases/${name}.tar.gz";
    sha256 = "0z8ilypad82q3l6q6kbv6hczvhjn8k63j8051x5yqfyjq686nlh1";
  };

  patches = [
    (fetchurl {
      url = "https://w1.fi/cgit/hostap/patch/?id=0d42179e1246f996d334c8bd18deca469fdb1add";
      sha256 = "0w5n3ypwavq5zlyfxpcyvbaf96g59xkwbw9xwpjyzb7h5j264615";
    })
    (fetchurl {
      url = "https://w1.fi/cgit/hostap/patch/?id=df426738fb212d62b132d9bb447f0128194e00ab";
      sha256 = "0ps2prjijlcgv1i97xb5ypw840dhkc7ja1aw8zhlbrap7pbgi1mm";
    })
    (fetchurl {
      url = "https://w1.fi/cgit/hostap/patch/?id=b70d508c50e8e2d2b8fb96ae44ae10f84cf0c1ae";
      sha256 = "0pslmsbay2cy1k07w1mdcr0b8w059jkrqrr9zi1aljvkm3vbwhj1";
    })

    #KRACKAttack.com
    (fetchurl {
      url = "http://w1.fi/security/2017-1/rebased-v2.6-0001-hostapd-Avoid-key-reinstallation-in-FT-handshake.patch";
      sha256 = "02zl2x4pxay666yq18g4f3byccrzipfjbky1ydw62v15h76174aj";
    })
    (fetchurl {
      url = "http://w1.fi/security/2017-1/rebased-v2.6-0002-Prevent-reinstallation-of-an-already-in-use-group-ke.patch";
      sha256 = "1mrmqg00x1bqa43dyhxb14msk74lh3kvr4avni43c3qpfjmlfvfq";
    })
    (fetchurl {
      url = "http://w1.fi/security/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch";
      sha256 = "10byyi8wfpcc8i788ag7ndycd3xvq2iwnssyb3rwf34sfcv5wlyl";
    })
    (fetchurl {
      url = "http://w1.fi/security/2017-1/rebased-v2.6-0004-Prevent-installation-of-an-all-zero-TK.patch";
      sha256 = "02z2rsbh4sw81wsc56xjbblbi76ii0clmpnr1m1szdb1h5s58fkr";
    })
    (fetchurl {
      url = "http://w1.fi/security/2017-1/rebased-v2.6-0005-Fix-PTK-rekeying-to-generate-a-new-ANonce.patch";
      sha256 = "17pbrn5h6l5v14y6gn2yr2knqya9i0n2vyq4ck8hasb00yz8lz0l";
    })
    (fetchurl {
      url = "http://w1.fi/security/2017-1/rebased-v2.6-0006-TDLS-Reject-TPK-TK-reconfiguration.patch";
      sha256 = "19mgcqbdyzm4myi182jcn1rn26xi3jib74cpxbbrx1gaccxlsvar";
    })
    #(fetchurl { # wpa-supplicant only
    #  url = "http://w1.fi/security/2017-1/rebased-v2.6-0007-WNM-Ignore-WNM-Sleep-Mode-Response-without-pending-r.patch";
    #  sha256 = "0di71j8762dkvr0c7h5mrbkqyfdy8mljvnp0dk2qhbgc9bw7m8f5";
    #})
    (fetchurl {
      url = "http://w1.fi/security/2017-1/rebased-v2.6-0008-FT-Do-not-allow-multiple-Reassociation-Response-fram.patch";
      sha256 = "1ca312cixbld70rp12q7h66lnjjxzz0qag0ii2sg6cllgf2hv168";
    })
  ];

  nativeBuildInputs = [ pkgconfig ];
  buildInputs = [ libnl openssl sqlite ];

  outputs = [ "out" "man" ];

  extraConfig = ''
    CONFIG_DRIVER_WIRED=y
    CONFIG_LIBNL32=y
    CONFIG_EAP_SIM=y
    CONFIG_EAP_AKA=y
    CONFIG_EAP_AKA_PRIME=y
    CONFIG_EAP_PAX=y
    CONFIG_EAP_PWD=y
    CONFIG_EAP_SAKE=y
    CONFIG_EAP_GPSK=y
    CONFIG_EAP_GPSK_SHA256=y
    CONFIG_EAP_FAST=y
    CONFIG_EAP_IKEV2=y
    CONFIG_EAP_TNC=y
    CONFIG_EAP_EKE=y
    CONFIG_RADIUS_SERVER=y
    CONFIG_IEEE80211R=y
    CONFIG_IEEE80211N=y
    CONFIG_IEEE80211AC=y
    CONFIG_FULL_DYNAMIC_VLAN=y
    CONFIG_VLAN_NETLINK=y
    CONFIG_TLS=openssl
    CONFIG_TLSV11=y
    CONFIG_TLSV12=y
    CONFIG_INTERNETWORKING=y
    CONFIG_HS20=y
    CONFIG_ACS=y
  '' + optionalString (sqlite != null) ''
    CONFIG_SQLITE=y
  '';

  configurePhase = ''
    cd hostapd
    cp -v defconfig .config
    echo "$extraConfig" >> .config
    cat -n .config
    substituteInPlace Makefile --replace /usr/local $out
    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE $(pkg-config --cflags libnl-3.0)"
  '';

  preInstall = "mkdir -p $out/bin";
  postInstall = ''
    install -vD hostapd.8 -t $man/share/man/man8
    install -vD hostapd_cli.1 -t $man/share/man/man1
  '';

  meta = {
    homepage = http://hostap.epitest.fi;
    repositories.git = git://w1.fi/hostap.git;
    description = "A user space daemon for access point and authentication servers";
    license = licenses.gpl2;
    maintainers = with maintainers; [ phreedom wkennington ];
    platforms = platforms.linux;
  };
}