nixpkgs/pkgs/os-specific/linux/wpa_supplicant/default.nix
Martin Weinelt 9f9ab6fffc wpa_supplicant: add patch for CVE-2021-30004
In wpa_supplicant and hostapd 2.9, forging attacks may occur because
AlgorithmIdentifier parameters are mishandled in tls/pkcs1.c and
tls/x509v3.c.

Fixes: CVE-2021-30004
2021-04-13 18:45:44 +02:00

141 lines
4.7 KiB
Nix

{ lib, stdenv, fetchurl, fetchpatch, openssl, pkg-config, libnl
, dbus, readline ? null, pcsclite ? null
}:
with lib;
stdenv.mkDerivation rec {
version = "2.9";
pname = "wpa_supplicant";
src = fetchurl {
url = "https://w1.fi/releases/${pname}-${version}.tar.gz";
sha256 = "05qzak1mssnxcgdrafifxh9w86a4ha69qabkg4bsigk499xyxggw";
};
patches = [
(fetchurl {
name = "CVE-2019-16275.patch";
url = "https://w1.fi/security/2019-7/0001-AP-Silently-ignore-management-frame-from-unexpected-.patch";
sha256 = "15xjyy7crb557wxpx898b5lnyblxghlij0xby5lmj9hpwwss34dz";
})
(fetchpatch {
# Expose OWE key management capability over DBus, remove >= 2.10
name = "dbus-Export-OWE-capability-and-OWE-BSS-key_mgmt.patch";
url = "https://w1.fi/cgit/hostap/patch/?id=7800725afb27397f7d6033d4969e2aeb61af4737";
sha256 = "0c1la7inf4m5y9gzdjjdnhpkx32pm8vi6m5knih8p77q4mbrdgg8";
})
# P2P: Fix copying of secondary device types for P2P group client (https://w1.fi/security/2020-2/)
(fetchurl {
name = "CVE-2021-0326.patch";
url = "https://w1.fi/security/2020-2/0001-P2P-Fix-copying-of-secondary-device-types-for-P2P-gr.patch";
sha256 = "19f4hx0p547mdx8y8arb3vclwyy4w9c8a6a40ryj7q33730mrmn4";
})
# P2P: Fix a corner case in peer addition based on PD Request (https://w1.fi/security/2021-1/)
(fetchurl {
name = "CVE-2021-27803.patch";
url = "https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch";
sha256 = "04cnds7hmbqc44jasabjvrdnh66i5hwvk2h2m5z94pmgbzncyh3z";
})
# In wpa_supplicant and hostapd 2.9, forging attacks may occur because AlgorithmIdentifier parameters are mishandled in tls/pkcs1.c and tls/x509v3.c.
(fetchpatch {
name = "CVE-2021-30004.patch";
url = "https://w1.fi/cgit/hostap/patch/?id=a0541334a6394f8237a4393b7372693cd7e96f15";
sha256 = "1gbhlz41x1ar1hppnb76pqxj6vimiypy7c4kq6h658637s4am3xg";
})
];
# TODO: Patch epoll so that the dbus actually responds
# TODO: Figure out how to get privsep working, currently getting SIGBUS
extraConfig = ''
CONFIG_AP=y
CONFIG_LIBNL32=y
CONFIG_EAP_FAST=y
CONFIG_EAP_PWD=y
CONFIG_EAP_PAX=y
CONFIG_EAP_SAKE=y
CONFIG_EAP_GPSK=y
CONFIG_EAP_GPSK_SHA256=y
CONFIG_OWE=y
CONFIG_WPS=y
CONFIG_WPS_ER=y
CONFIG_WPS_NFS=y
CONFIG_EAP_IKEV2=y
CONFIG_EAP_EKE=y
CONFIG_HT_OVERRIDES=y
CONFIG_VHT_OVERRIDES=y
CONFIG_ELOOP=eloop
#CONFIG_ELOOP_EPOLL=y
CONFIG_L2_PACKET=linux
CONFIG_IEEE80211W=y
CONFIG_TLS=openssl
CONFIG_TLSV11=y
#CONFIG_TLSV12=y see #8332
CONFIG_IEEE80211R=y
CONFIG_DEBUG_SYSLOG=y
#CONFIG_PRIVSEP=y
CONFIG_IEEE80211N=y
CONFIG_IEEE80211AC=y
CONFIG_INTERNETWORKING=y
CONFIG_HS20=y
CONFIG_P2P=y
CONFIG_TDLS=y
CONFIG_BGSCAN_SIMPLE=y
CONFIG_BGSCAN_LEARN=y
'' + optionalString (pcsclite != null) ''
CONFIG_EAP_SIM=y
CONFIG_EAP_AKA=y
CONFIG_EAP_AKA_PRIME=y
CONFIG_PCSC=y
'' + optionalString (dbus != null) ''
CONFIG_CTRL_IFACE_DBUS=y
CONFIG_CTRL_IFACE_DBUS_NEW=y
CONFIG_CTRL_IFACE_DBUS_INTRO=y
'' + (if readline != null then ''
CONFIG_READLINE=y
'' else ''
CONFIG_WPA_CLI_EDIT=y
'');
preBuild = ''
for manpage in wpa_supplicant/doc/docbook/wpa_supplicant.conf* ; do
substituteInPlace "$manpage" --replace /usr/share/doc $out/share/doc
done
cd wpa_supplicant
cp -v defconfig .config
echo "$extraConfig" >> .config
cat -n .config
substituteInPlace Makefile --replace /usr/local $out
export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE \
-I$(echo "${lib.getDev libnl}"/include/libnl*/) \
-I${lib.getDev pcsclite}/include/PCSC/"
'';
buildInputs = [ openssl libnl dbus readline pcsclite ];
nativeBuildInputs = [ pkg-config ];
postInstall = ''
mkdir -p $out/share/man/man5 $out/share/man/man8
cp -v "doc/docbook/"*.5 $out/share/man/man5/
cp -v "doc/docbook/"*.8 $out/share/man/man8/
mkdir -p $out/share/dbus-1/system.d $out/share/dbus-1/system-services $out/etc/systemd/system
cp -v "dbus/"*service $out/share/dbus-1/system-services
sed -e "s@/sbin/wpa_supplicant@$out&@" -i "$out/share/dbus-1/system-services/"*
cp -v dbus/dbus-wpa_supplicant.conf $out/share/dbus-1/system.d
cp -v "systemd/"*.service $out/etc/systemd/system
rm $out/share/man/man8/wpa_priv.8
install -Dm444 wpa_supplicant.conf $out/share/doc/wpa_supplicant/wpa_supplicant.conf.example
'';
meta = with lib; {
homepage = "https://w1.fi/wpa_supplicant/";
description = "A tool for connecting to WPA and WPA2-protected wireless networks";
license = licenses.bsd3;
maintainers = with maintainers; [ marcweber ];
platforms = platforms.linux;
};
}