{ lib, stdenv, fetchurl, pkg-config, libnl, openssl, sqlite ? null }:

stdenv.mkDerivation rec {
  pname = "hostapd";
  version = "2.10";

  src = fetchurl {
    url = "https://w1.fi/releases/${pname}-${version}.tar.gz";
    sha256 = "sha256-IG58eZtnhXLC49EgMCOHhLxKn4IyOwFWtMlGbxSYkV0=";
  };

  nativeBuildInputs = [ pkg-config ];
  buildInputs = [ libnl openssl sqlite ];

  patches = [
    (fetchurl {
      # Note: fetchurl seems to be unhappy with openwrt git
      # server's URLs containing semicolons. Using the github mirror instead.
      url = "https://raw.githubusercontent.com/openwrt/openwrt/eefed841b05c3cd4c65a78b50ce0934d879e6acf/package/network/services/hostapd/patches/300-noscan.patch";
      sha256 = "08p5frxhpq1rp2nczkscapwwl8g9nc4fazhjpxic5bcbssc3sb00";
    })
  ];

  outputs = [ "out" "man" ];

  # Based on hostapd's defconfig. Only differences are tracked.
  extraConfig = ''
    # Use epoll(7) instead of select(2) on linux
    CONFIG_ELOOP_EPOLL=y

    # Drivers
    CONFIG_DRIVER_WIRED=y
    CONFIG_DRIVER_NONE=y

    # Integrated EAP server
    CONFIG_EAP_SIM=y
    CONFIG_EAP_AKA=y
    CONFIG_EAP_AKA_PRIME=y
    CONFIG_EAP_PAX=y
    CONFIG_EAP_PSK=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_TLS=openssl
    CONFIG_TLSV11=y
    CONFIG_TLSV12=y

    CONFIG_SAE=y
    CONFIG_SAE_PK=y

    CONFIG_OWE=y
    CONFIG_OCV=y

    # TKIP is considered insecure and upstream support will be removed in the future
    CONFIG_NO_TKIP=y

    # Misc
    CONFIG_RADIUS_SERVER=y
    CONFIG_FULL_DYNAMIC_VLAN=y
    CONFIG_VLAN_NETLINK=y
    CONFIG_GETRANDOM=y
    CONFIG_INTERWORKING=y
    CONFIG_HS20=y
    CONFIG_FST=y
    CONFIG_FST_TEST=y
    CONFIG_ACS=y
    CONFIG_WNM=y
    CONFIG_MBO=y

    CONFIG_IEEE80211R=y
    CONFIG_IEEE80211W=y
    CONFIG_IEEE80211N=y
    CONFIG_IEEE80211AC=y
    CONFIG_IEEE80211AX=y
  '' + lib.optionalString (sqlite != null) ''
    CONFIG_SQLITE=y
  '';

  passAsFile = [ "extraConfig" ];

  configurePhase = ''
    cd hostapd
    cp -v defconfig .config
    cat $extraConfigPath >> .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 = with lib; {
    homepage = "https://w1.fi/hostapd/";
    description = "A user space daemon for access point and authentication servers";
    license = licenses.gpl2;
    maintainers = with maintainers; [ ninjatrappeur hexa ];
    platforms = platforms.linux;
  };
}