net-wireless/wpa_supplicant: compatibility patch for LibreSSL

This patch fixes building with dev-libs/libressl-2.7.x. Patch was
backported from upstream commits:

ba3658cfff2278bc2ba24c32773962b37648d0b2
dee566d98e85e00b917d3eff42cd7e969de089cc

Bug: https://bugs.gentoo.org/651314
Package-Manager: Portage-2.3.29, Repoman-2.3.9

2 files changed, 542 insertions, 0 deletions

diff --git a/net-wireless/wpa_supplicant/files/wpa_supplicant-2.6-libressl-compatibility.patch b/net-wireless/wpa_supplicant/files/wpa_supplicant-2.6-libressl-compatibility.patch
new file mode 100644
index 000000000000..025da58028da
--- /dev/null
+++ b/net-wireless/wpa_supplicant/files/wpa_supplicant-2.6-libressl-compatibility.patch
@@ -0,0 +1,106 @@
+diff --git a/src/crypto/crypto_openssl.c b/src/crypto/crypto_openssl.c
+index 19e0e2be8..6585c0245 100644
+--- a/src/crypto/crypto_openssl.c
++++ b/src/crypto/crypto_openssl.c
+@@ -33,7 +33,9 @@
+ #include "aes_wrap.h"
+ #include "crypto.h"
+ 
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
++	(defined(LIBRESSL_VERSION_NUMBER) && \
++	 LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ /* Compatibility wrappers for older versions. */
+ 
+ static HMAC_CTX * HMAC_CTX_new(void)
+@@ -79,7 +81,9 @@ static void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
+ 
+ static BIGNUM * get_group5_prime(void)
+ {
+-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
++	!(defined(LIBRESSL_VERSION_NUMBER) && \
++	LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ 	return BN_get_rfc3526_prime_1536(NULL);
+ #elif !defined(OPENSSL_IS_BORINGSSL)
+ 	return get_rfc3526_prime_1536(NULL);
+@@ -611,7 +615,9 @@ void crypto_cipher_deinit(struct crypto_cipher *ctx)
+ 
+ void * dh5_init(struct wpabuf **priv, struct wpabuf **publ)
+ {
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
++	(defined(LIBRESSL_VERSION_NUMBER) && \
++	LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ 	DH *dh;
+ 	struct wpabuf *pubkey = NULL, *privkey = NULL;
+ 	size_t publen, privlen;
+@@ -712,7 +718,9 @@ err:
+ 
+ void * dh5_init_fixed(const struct wpabuf *priv, const struct wpabuf *publ)
+ {
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
++	(defined(LIBRESSL_VERSION_NUMBER) && \
++	LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ 	DH *dh;
+ 
+ 	dh = DH_new();
+diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c
+index 23ac64b48..91acc579d 100644
+--- a/src/crypto/tls_openssl.c
++++ b/src/crypto/tls_openssl.c
+@@ -59,7 +59,8 @@ typedef int stack_index_t;
+ #endif /* SSL_set_tlsext_status_type */
+ 
+ #if (OPENSSL_VERSION_NUMBER < 0x10100000L || \
+-     defined(LIBRESSL_VERSION_NUMBER)) &&    \
++	(defined(LIBRESSL_VERSION_NUMBER) && \
++	LIBRESSL_VERSION_NUMBER < 0x20700000L)) && \
+     !defined(BORINGSSL_API_VERSION)
+ /*
+  * SSL_get_client_random() and SSL_get_server_random() were added in OpenSSL
+@@ -919,7 +920,9 @@ void * tls_init(const struct tls_config *conf)
+ 		}
+ #endif /* OPENSSL_FIPS */
+ #endif /* CONFIG_FIPS */
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
++        (defined(LIBRESSL_VERSION_NUMBER) && \
++        LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ 		SSL_load_error_strings();
+ 		SSL_library_init();
+ #ifndef OPENSSL_NO_SHA256
+@@ -1043,7 +1046,9 @@ void tls_deinit(void *ssl_ctx)
+ 
+ 	tls_openssl_ref_count--;
+ 	if (tls_openssl_ref_count == 0) {
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
++	(defined(LIBRESSL_VERSION_NUMBER) && \
++	LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ #ifndef OPENSSL_NO_ENGINE
+ 		ENGINE_cleanup();
+ #endif /* OPENSSL_NO_ENGINE */
+@@ -3105,7 +3110,9 @@ int tls_connection_get_random(void *ssl_ctx, struct tls_connection *conn,
+ #ifdef OPENSSL_NEED_EAP_FAST_PRF
+ static int openssl_get_keyblock_size(SSL *ssl)
+ {
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
++        (defined(LIBRESSL_VERSION_NUMBER) && \
++        LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ 	const EVP_CIPHER *c;
+ 	const EVP_MD *h;
+ 	int md_size;
+@@ -4159,7 +4166,9 @@ static int tls_sess_sec_cb(SSL *s, void *secret, int *secret_len,
+ 	struct tls_connection *conn = arg;
+ 	int ret;
+ 
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
++        (defined(LIBRESSL_VERSION_NUMBER) && \
++        LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ 	if (conn == NULL || conn->session_ticket_cb == NULL)
+ 		return 0;
+ 
diff --git a/net-wireless/wpa_supplicant/wpa_supplicant-2.6-r6.ebuild b/net-wireless/wpa_supplicant/wpa_supplicant-2.6-r6.ebuild
new file mode 100644
index 000000000000..ad09f128b089
--- /dev/null
+++ b/net-wireless/wpa_supplicant/wpa_supplicant-2.6-r6.ebuild
@@ -0,0 +1,436 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit eutils qmake-utils systemd toolchain-funcs readme.gentoo-r1
+
+DESCRIPTION="IEEE 802.1X/WPA supplicant for secure wireless transfers"
+HOMEPAGE="https://w1.fi/wpa_supplicant/"
+SRC_URI="https://w1.fi/releases/${P}.tar.gz"
+LICENSE="|| ( GPL-2 BSD )"
+
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd"
+IUSE="ap dbus eap-sim eapol_test fasteap gnutls +hs2-0 libressl p2p privsep ps3 qt5 readline selinux smartcard ssl tdls uncommon-eap-types wimax wps kernel_linux kernel_FreeBSD"
+REQUIRED_USE="smartcard? ( ssl )"
+
+CDEPEND="dbus? ( sys-apps/dbus )
+	kernel_linux? (
+		dev-libs/libnl:3
+		net-wireless/crda
+		eap-sim? ( sys-apps/pcsc-lite )
+	)
+	!kernel_linux? ( net-libs/libpcap )
+	qt5? (
+		dev-qt/qtcore:5
+		dev-qt/qtgui:5
+		dev-qt/qtsvg:5
+		dev-qt/qtwidgets:5
+	)
+	readline? (
+		sys-libs/ncurses:0=
+		sys-libs/readline:0=
+	)
+	ssl? (
+		gnutls? (
+			dev-libs/libgcrypt:0=
+			net-libs/gnutls:=
+		)
+		!gnutls? (
+			!libressl? ( >=dev-libs/openssl-1.0.2k:0= )
+			libressl? ( dev-libs/libressl:0= )
+		)
+	)
+	!ssl? ( dev-libs/libtommath )
+"
+DEPEND="${CDEPEND}
+	virtual/pkgconfig
+"
+RDEPEND="${CDEPEND}
+	selinux? ( sec-policy/selinux-networkmanager )
+"
+
+DOC_CONTENTS="
+	If this is a clean installation of wpa_supplicant, you
+	have to create a configuration file named
+	${EROOT%/}/etc/wpa_supplicant/wpa_supplicant.conf
+	An example configuration file is available for reference in
+	${EROOT%/}/usr/share/doc/${PF}/
+"
+
+S="${WORKDIR}/${P}/${PN}"
+
+Kconfig_style_config() {
+		#param 1 is CONFIG_* item
+		#param 2 is what to set it = to, defaulting in y
+		CONFIG_PARAM="${CONFIG_HEADER:-CONFIG_}$1"
+		setting="${2:-y}"
+
+		if [ ! $setting = n ]; then
+			#first remove any leading "# " if $2 is not n
+			sed -i "/^# *$CONFIG_PARAM=/s/^# *//" .config || echo "Kconfig_style_config error uncommenting $CONFIG_PARAM"
+			#set item = $setting (defaulting to y)
+			sed -i "/^$CONFIG_PARAM/s/=.*/=$setting/" .config || echo "Kconfig_style_config error setting $CONFIG_PARAM=$setting"
+			if [ -z "$( grep ^$CONFIG_PARAM= .config )" ] ; then
+				echo "$CONFIG_PARAM=$setting" >>.config
+			fi
+		else
+			#ensure item commented out
+			sed -i "/^$CONFIG_PARAM/s/$CONFIG_PARAM/# $CONFIG_PARAM/" .config || echo "Kconfig_style_config error commenting $CONFIG_PARAM"
+		fi
+}
+
+pkg_setup() {
+	if use ssl ; then
+		if use gnutls && use libressl ; then
+			elog "You have both 'gnutls' and 'libressl' USE flags enabled: defaulting to USE=\"gnutls\""
+		fi
+	else
+		elog "You have 'ssl' USE flag disabled: defaulting to internal TLS implementation"
+	fi
+}
+
+src_prepare() {
+	default
+
+	# net/bpf.h needed for net-libs/libpcap on Gentoo/FreeBSD
+	sed -i \
+		-e "s:\(#include <pcap\.h>\):#include <net/bpf.h>\n\1:" \
+		../src/l2_packet/l2_packet_freebsd.c || die
+
+	# People seem to take the example configuration file too literally (bug #102361)
+	sed -i \
+		-e "s:^\(opensc_engine_path\):#\1:" \
+		-e "s:^\(pkcs11_engine_path\):#\1:" \
+		-e "s:^\(pkcs11_module_path\):#\1:" \
+		wpa_supplicant.conf || die
+
+	# Change configuration to match Gentoo locations (bug #143750)
+	sed -i \
+		-e "s:/usr/lib/opensc:/usr/$(get_libdir):" \
+		-e "s:/usr/lib/pkcs11:/usr/$(get_libdir):" \
+		wpa_supplicant.conf || die
+
+	# systemd entries to D-Bus service files (bug #372877)
+	echo 'SystemdService=wpa_supplicant.service' \
+		| tee -a dbus/*.service >/dev/null || die
+
+	cd "${WORKDIR}/${P}" || die
+
+	if use wimax; then
+		# generate-libeap-peer.patch comes before
+		# fix-undefined-reference-to-random_get_bytes.patch
+		eapply "${FILESDIR}/${P}-generate-libeap-peer.patch"
+
+		# multilib-strict fix (bug #373685)
+		sed -e "s/\/usr\/lib/\/usr\/$(get_libdir)/" -i src/eap_peer/Makefile || die
+	fi
+
+	# bug (320097)
+	eapply "${FILESDIR}/${P}-do-not-call-dbus-functions-with-NULL-path.patch"
+
+	# bug (596332 & 651314)
+	eapply "${FILESDIR}/${P}-libressl-compatibility.patch"
+
+	# https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0001-hostapd-Avoid-key-reinstallation-in-FT-handshake.patch"
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0002-Prevent-reinstallation-of-an-already-in-use-group-ke.patch"
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch"
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0004-Prevent-installation-of-an-all-zero-TK.patch"
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0005-Fix-PTK-rekeying-to-generate-a-new-ANonce.patch"
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0006-TDLS-Reject-TPK-TK-reconfiguration.patch"
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0007-WNM-Ignore-WNM-Sleep-Mode-Response-without-pending-r.patch"
+	eapply "${FILESDIR}/2017-1/rebased-v2.6-0008-FT-Do-not-allow-multiple-Reassociation-Response-fram.patch"
+
+	# bug (640492)
+	sed -i 's#-Werror ##' wpa_supplicant/Makefile || die
+}
+
+src_configure() {
+	# Toolchain setup
+	tc-export CC
+
+	cp defconfig .config || die
+
+	# Basic setup
+	Kconfig_style_config CTRL_IFACE
+	Kconfig_style_config MATCH_IFACE
+	Kconfig_style_config BACKEND file
+	Kconfig_style_config IBSS_RSN
+	Kconfig_style_config IEEE80211W
+	Kconfig_style_config IEEE80211R
+
+	# Basic authentication methods
+	# NOTE: we don't set GPSK or SAKE as they conflict
+	# with the below options
+	Kconfig_style_config EAP_GTC
+	Kconfig_style_config EAP_MD5
+	Kconfig_style_config EAP_OTP
+	Kconfig_style_config EAP_PAX
+	Kconfig_style_config EAP_PSK
+	Kconfig_style_config EAP_TLV
+	Kconfig_style_config EAP_EXE
+	Kconfig_style_config IEEE8021X_EAPOL
+	Kconfig_style_config PKCS12
+	Kconfig_style_config PEERKEY
+	Kconfig_style_config EAP_LEAP
+	Kconfig_style_config EAP_MSCHAPV2
+	Kconfig_style_config EAP_PEAP
+	Kconfig_style_config EAP_TLS
+	Kconfig_style_config EAP_TTLS
+
+	# Enabling background scanning.
+	Kconfig_style_config BGSCAN_SIMPLE
+	Kconfig_style_config BGSCAN_LEARN
+
+	if use dbus ; then
+		Kconfig_style_config CTRL_IFACE_DBUS
+		Kconfig_style_config CTRL_IFACE_DBUS_NEW
+		Kconfig_style_config CTRL_IFACE_DBUS_INTRO
+	fi
+
+	if use eapol_test ; then
+		Kconfig_style_config EAPOL_TEST
+	fi
+
+	# Enable support for writing debug info to a log file and syslog.
+	Kconfig_style_config DEBUG_FILE
+	Kconfig_style_config DEBUG_SYSLOG
+
+	if use hs2-0 ; then
+		Kconfig_style_config INTERWORKING
+		Kconfig_style_config HS20
+	fi
+
+	if use uncommon-eap-types; then
+		Kconfig_style_config EAP_GPSK
+		Kconfig_style_config EAP_SAKE
+		Kconfig_style_config EAP_GPSK_SHA256
+		Kconfig_style_config EAP_IKEV2
+		Kconfig_style_config EAP_EKE
+	fi
+
+	if use eap-sim ; then
+		# Smart card authentication
+		Kconfig_style_config EAP_SIM
+		Kconfig_style_config EAP_AKA
+		Kconfig_style_config EAP_AKA_PRIME
+		Kconfig_style_config PCSC
+	fi
+
+	if use fasteap ; then
+		Kconfig_style_config EAP_FAST
+	fi
+
+	if use readline ; then
+		# readline/history support for wpa_cli
+		Kconfig_style_config READLINE
+	else
+		#internal line edit mode for wpa_cli
+		Kconfig_style_config WPA_CLI_EDIT
+	fi
+
+	# SSL authentication methods
+	if use ssl ; then
+		if use gnutls ; then
+			Kconfig_style_config TLS gnutls
+			Kconfig_style_config GNUTLS_EXTRA
+		else
+			Kconfig_style_config TLS openssl
+			Kconfig_style_config EAP_PWD
+
+			# Enabling mesh networks.
+			Kconfig_style_config MESH
+		fi
+	else
+		Kconfig_style_config TLS internal
+	fi
+
+	if use smartcard ; then
+		Kconfig_style_config SMARTCARD
+	fi
+
+	if use tdls ; then
+		Kconfig_style_config TDLS
+	fi
+
+	if use kernel_linux ; then
+		# Linux specific drivers
+		Kconfig_style_config DRIVER_ATMEL
+		Kconfig_style_config DRIVER_HOSTAP
+		Kconfig_style_config DRIVER_IPW
+		Kconfig_style_config DRIVER_NL80211
+		Kconfig_style_config DRIVER_RALINK
+		Kconfig_style_config DRIVER_WEXT
+		Kconfig_style_config DRIVER_WIRED
+
+		if use ps3 ; then
+			Kconfig_style_config DRIVER_PS3
+		fi
+
+	elif use kernel_FreeBSD ; then
+		# FreeBSD specific driver
+		Kconfig_style_config DRIVER_BSD
+	fi
+
+	# Wi-Fi Protected Setup (WPS)
+	if use wps ; then
+		Kconfig_style_config WPS
+		Kconfig_style_config WPS2
+		# USB Flash Drive
+		Kconfig_style_config WPS_UFD
+		# External Registrar
+		Kconfig_style_config WPS_ER
+		# Universal Plug'n'Play
+		Kconfig_style_config WPS_UPNP
+		# Near Field Communication
+		Kconfig_style_config WPS_NFC
+	fi
+
+	# Wi-Fi Direct (WiDi)
+	if use p2p ; then
+		Kconfig_style_config P2P
+		Kconfig_style_config WIFI_DISPLAY
+	fi
+
+	# Access Point Mode
+	if use ap ; then
+		Kconfig_style_config AP
+	fi
+
+	# Enable essentials for AP/P2P
+	if use ap || use p2p ; then
+		# Enabling HT support (802.11n)
+		Kconfig_style_config IEEE80211N
+
+		# Enabling VHT support (802.11ac)
+		Kconfig_style_config IEEE80211AC
+	fi
+
+	# Enable mitigation against certain attacks against TKIP
+	Kconfig_style_config DELAYED_MIC_ERROR_REPORT
+
+	if use privsep ; then
+		Kconfig_style_config PRIVSEP
+	fi
+
+	# If we are using libnl 2.0 and above, enable support for it
+	# Bug 382159
+	# Removed for now, since the 3.2 version is broken, and we don't
+	# support it.
+	if has_version ">=dev-libs/libnl-3.2"; then
+		Kconfig_style_config LIBNL32
+	fi
+
+	if use qt5 ; then
+		pushd "${S}"/wpa_gui-qt4 > /dev/null || die
+		eqmake5 wpa_gui.pro
+		popd > /dev/null || die
+	fi
+}
+
+src_compile() {
+	einfo "Building wpa_supplicant"
+	emake V=1 BINDIR=/usr/sbin
+
+	if use wimax; then
+		emake -C ../src/eap_peer clean
+		emake -C ../src/eap_peer
+	fi
+
+	if use qt5; then
+		einfo "Building wpa_gui"
+		emake -C "${S}"/wpa_gui-qt4
+	fi
+
+	if use eapol_test ; then
+		emake eapol_test
+	fi
+}
+
+src_install() {
+	dosbin wpa_supplicant
+	use privsep && dosbin wpa_priv
+	dobin wpa_cli wpa_passphrase
+
+	# baselayout-1 compat
+	if has_version "<sys-apps/baselayout-2.0.0"; then
+		dodir /sbin
+		dosym ../usr/sbin/wpa_supplicant /sbin/wpa_supplicant
+		dodir /bin
+		dosym ../usr/bin/wpa_cli /bin/wpa_cli
+	fi
+
+	if has_version ">=sys-apps/openrc-0.5.0"; then
+		newinitd "${FILESDIR}/${PN}-init.d" wpa_supplicant
+		newconfd "${FILESDIR}/${PN}-conf.d" wpa_supplicant
+	fi
+
+	exeinto /etc/wpa_supplicant/
+	newexe "${FILESDIR}/wpa_cli.sh" wpa_cli.sh
+
+	readme.gentoo_create_doc
+	dodoc ChangeLog {eap_testing,todo}.txt README{,-WPS} \
+		wpa_supplicant.conf
+
+	newdoc .config build-config
+
+	doman doc/docbook/*.{5,8}
+
+	if use qt5 ; then
+		into /usr
+		dobin wpa_gui-qt4/wpa_gui
+		doicon wpa_gui-qt4/icons/wpa_gui.svg
+		make_desktop_entry wpa_gui "WPA Supplicant Administration GUI" "wpa_gui" "Qt;Network;"
+	else
+		rm "${ED}"/usr/share/man/man8/wpa_gui.8
+	fi
+
+	use wimax && emake DESTDIR="${D}" -C ../src/eap_peer install
+
+	if use dbus ; then
+		pushd "${S}"/dbus > /dev/null || die
+		insinto /etc/dbus-1/system.d
+		newins dbus-wpa_supplicant.conf wpa_supplicant.conf
+		insinto /usr/share/dbus-1/system-services
+		doins fi.epitest.hostap.WPASupplicant.service fi.w1.wpa_supplicant1.service
+		popd > /dev/null || die
+
+		# This unit relies on dbus support, bug 538600.
+		systemd_dounit systemd/wpa_supplicant.service
+	fi
+
+	if use eapol_test ; then
+		dobin eapol_test
+	fi
+
+	systemd_dounit "systemd/wpa_supplicant@.service"
+	systemd_dounit "systemd/wpa_supplicant-nl80211@.service"
+	systemd_dounit "systemd/wpa_supplicant-wired@.service"
+}
+
+pkg_postinst() {
+	readme.gentoo_print_elog
+
+	if [[ -e "${EROOT%/}"/etc/wpa_supplicant.conf ]] ; then
+		echo
+		ewarn "WARNING: your old configuration file ${EROOT%/}/etc/wpa_supplicant.conf"
+		ewarn "needs to be moved to ${EROOT%/}/etc/wpa_supplicant/wpa_supplicant.conf"
+	fi
+
+	# Mea culpa, feel free to remove that after some time --mgorny.
+	local fn
+	for fn in wpa_supplicant{,@wlan0}.service; do
+		if [[ -e "${EROOT%/}"/etc/systemd/system/network.target.wants/${fn} ]]
+		then
+			ebegin "Moving ${fn} to multi-user.target"
+			mv "${EROOT%/}"/etc/systemd/system/network.target.wants/${fn} \
+				"${EROOT%/}"/etc/systemd/system/multi-user.target.wants/ || die
+			eend ${?} \
+				"Please try to re-enable ${fn}"
+		fi
+	done
+
+	systemd_reenable wpa_supplicant.service
+}