net-vpn/libreswan: backport NSS compat patch

Backport a patch for compatibility with newer NSS versions.

Closes: https://bugs.gentoo.org/721686
Package-Manager: Portage-2.3.99, Repoman-2.3.23
Signed-off-by: Hans de Graaff <graaff@gentoo.org>

2 files changed, 140 insertions, 0 deletions

diff --git a/net-vpn/libreswan/files/libreswan-3.32-nss-compat.patch b/net-vpn/libreswan/files/libreswan-3.32-nss-compat.patch
new file mode 100644
index 000000000000..09f71a9f907c
--- /dev/null
+++ b/net-vpn/libreswan/files/libreswan-3.32-nss-compat.patch
@@ -0,0 +1,23 @@
+Add compatibility setting for NSS
+
+https://github.com/libreswan/libreswan/commit/65a497959a0e1ca615341109eaad5e75723839d6
+
+We patch a different file because a later commit moved the setting to this file.
+
+diff --git a/lib/libswan/ike_alg_encrypt_nss_gcm_ops.c b/lib/libswan/ike_alg_encrypt_nss_gcm_ops.c
+index 93a027089a..571913cc1e 100644
+--- a/lib/libswan/ike_alg_encrypt_nss_gcm_ops.c
++++ b/lib/libswan/ike_alg_encrypt_nss_gcm_ops.c
+@@ -16,6 +16,12 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ 
++/*
++ * Special advise from Bob Relyea - needs to go before any nss include
++ *
++ */
++#define NSS_PKCS11_2_0_COMPAT 1
++
+ #include "lswlog.h"
+ #include "lswnss.h"
+ #include "prmem.h"
diff --git a/net-vpn/libreswan/libreswan-3.32-r1.ebuild b/net-vpn/libreswan/libreswan-3.32-r1.ebuild
new file mode 100644
index 000000000000..594a265b4671
--- /dev/null
+++ b/net-vpn/libreswan/libreswan-3.32-r1.ebuild
@@ -0,0 +1,117 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit systemd toolchain-funcs
+
+SRC_URI="https://download.libreswan.org/${P}.tar.gz"
+KEYWORDS="~amd64 ~arm ~ppc ~x86"
+
+DESCRIPTION="IPsec implementation for Linux, fork of Openswan"
+HOMEPAGE="https://libreswan.org/"
+
+LICENSE="GPL-2 BSD-4 RSA DES"
+SLOT="0"
+IUSE="caps curl dnssec ldap pam seccomp selinux systemd test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	dev-libs/gmp:0=
+	dev-libs/libevent:0=
+	dev-libs/nspr
+	>=dev-libs/nss-3.42
+	>=sys-kernel/linux-headers-4.19
+	caps? ( sys-libs/libcap-ng )
+	curl? ( net-misc/curl )
+	dnssec? ( >=net-dns/unbound-1.9.1-r1:= net-libs/ldns )
+	ldap? ( net-nds/openldap )
+	pam? ( sys-libs/pam )
+	seccomp? ( sys-libs/libseccomp )
+	selinux? ( sys-libs/libselinux )
+	systemd? ( sys-apps/systemd:0= )
+"
+BDEPEND="
+	app-text/docbook-xml-dtd:4.1.2
+	app-text/xmlto
+	dev-libs/nss
+	sys-devel/bison
+	sys-devel/flex
+	virtual/pkgconfig
+	test? ( dev-python/setproctitle )
+"
+RDEPEND="${DEPEND}
+	dev-libs/nss[utils(+)]
+	sys-apps/iproute2
+	!net-vpn/strongswan
+	selinux? ( sec-policy/selinux-ipsec )
+"
+
+usetf() {
+	usex "$1" true false
+}
+
+PATCHES=( "${FILESDIR}/${PN}-3.30-ip-path.patch" "${FILESDIR}/${P}-nss-compat.patch" )
+
+src_prepare() {
+	sed -i -e 's:/sbin/runscript:/sbin/openrc-run:' initsystems/openrc/ipsec.init.in || die
+	sed -i -e '/^install/ s/postcheck//' -e '/^doinstall/ s/oldinitdcheck//' initsystems/systemd/Makefile || die
+	default
+}
+
+src_configure() {
+	tc-export AR CC
+	export INC_USRLOCAL=/usr
+	export INC_MANDIR=share/man
+	export FINALEXAMPLECONFDIR=/usr/share/doc/${PF}
+	export FINALDOCDIR=/usr/share/doc/${PF}/html
+	export INITSYSTEM=openrc
+	export INC_RCDIRS=
+	export INC_RCDEFAULT=/etc/init.d
+	export USERCOMPILE=
+	export USERLINK=
+	export USE_DNSSEC=$(usetf dnssec)
+	export USE_LABELED_IPSEC=$(usetf selinux)
+	export USE_LIBCAP_NG=$(usetf caps)
+	export USE_LIBCURL=$(usetf curl)
+	export USE_LINUX_AUDIT=$(usetf selinux)
+	export USE_LDAP=$(usetf ldap)
+	export USE_SECCOMP=$(usetf seccomp)
+	export USE_SYSTEMD_WATCHDOG=$(usetf systemd)
+	export SD_WATCHDOGSEC=$(usex systemd 200 0)
+	export USE_XAUTHPAM=$(usetf pam)
+	export DEBUG_CFLAGS=
+	export OPTIMIZE_CFLAGS=
+	export WERROR_CFLAGS=
+}
+
+src_compile() {
+	emake all
+	emake -C initsystems INITSYSTEM=systemd SYSTEMUNITDIR="$(systemd_get_systemunitdir)" SYSTEMTMPFILESDIR="/usr/lib/tmpfiles.d" all
+}
+
+src_test() {
+	: # integration tests only that require set of kvms to be set up
+}
+
+src_install() {
+	default
+	emake -C initsystems INITSYSTEM=systemd SYSTEMUNITDIR="$(systemd_get_systemunitdir)" SYSTEMTMPFILESDIR="/usr/lib/tmpfiles.d" DESTDIR="${D}" install
+
+	echo "include /etc/ipsec.d/*.secrets" > "${D}"/etc/ipsec.secrets
+	fperms 0600 /etc/ipsec.secrets
+
+	dodoc -r docs
+
+	find "${D}" -type d -empty -delete || die
+}
+
+pkg_postinst() {
+	local IPSEC_CONFDIR=${ROOT}/etc/ipsec.d
+	if [[ ! -f ${IPSEC_CONFDIR}/cert8.db && ! -f ${IPSEC_CONFDIR}/cert9.db ]] ; then
+		ebegin "Setting up NSS database in ${IPSEC_CONFDIR} with empty password"
+		certutil -N -d "${IPSEC_CONFDIR}" --empty-password
+		eend $?
+		einfo "To set a password: certutil -W -d sql:${IPSEC_CONFDIR}"
+	fi
+}