From bc6546d744d31dabf2805e4f168df1f97a4b3c48 Mon Sep 17 00:00:00 2001
From: Dennis Eisele <kernlpanic@dennis-eisele.de>
Date: Tue, 28 Jun 2022 02:16:15 +0200
Subject: net-vpn/strongswan: fix prf-plus plugin usage

[ flow: revision bump, because new config option is passed ]

Closes: https://bugs.gentoo.org/853091
Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Dennis Eisele <kernlpanic@dennis-eisele.de>
Closes: https://github.com/gentoo/gentoo/pull/26103
Signed-off-by: Florian Schmaus <flow@gentoo.org>
---
 net-vpn/strongswan/metadata.xml               |   1 -
 net-vpn/strongswan/strongswan-5.9.6-r1.ebuild | 322 ++++++++++++++++++++++++++
 net-vpn/strongswan/strongswan-5.9.6.ebuild    | 311 -------------------------
 3 files changed, 322 insertions(+), 312 deletions(-)
 create mode 100644 net-vpn/strongswan/strongswan-5.9.6-r1.ebuild
 delete mode 100644 net-vpn/strongswan/strongswan-5.9.6.ebuild

(limited to 'net-vpn/strongswan')

diff --git a/net-vpn/strongswan/metadata.xml b/net-vpn/strongswan/metadata.xml
index 895902c71494..e44bbb6b7298 100644
--- a/net-vpn/strongswan/metadata.xml
+++ b/net-vpn/strongswan/metadata.xml
@@ -51,7 +51,6 @@
 		<flag name="strongswan_plugins_newhope">Enable plugin that allows key exchange based on post-quantum computer New Hope algorithm</flag>
 		<flag name="strongswan_plugins_ntru">Enable support for the ntru plugin</flag>
 		<flag name="strongswan_plugins_padlock">Enable support for the padlock plugin</flag>
-		<flag name="strongswan_plugins_prf-plus">Enable support for the prf-plus plugin</flag>
 		<flag name="strongswan_plugins_rdrand">Enable support for the rdrand plugin</flag>
 		<flag name="strongswan_plugins_save-keys">Enable plugin that saves IKE and/or ESP keys to files compatible with Wireshark (for debugging)</flag>
 		<flag name="strongswan_plugins_unbound">Enable support for the unbound plugin</flag>
diff --git a/net-vpn/strongswan/strongswan-5.9.6-r1.ebuild b/net-vpn/strongswan/strongswan-5.9.6-r1.ebuild
new file mode 100644
index 000000000000..ed618ee5eb72
--- /dev/null
+++ b/net-vpn/strongswan/strongswan-5.9.6-r1.ebuild
@@ -0,0 +1,322 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+inherit linux-info systemd
+
+DESCRIPTION="IPsec-based VPN solution, supporting IKEv1/IKEv2 and MOBIKE"
+HOMEPAGE="https://www.strongswan.org/"
+SRC_URI="https://download.strongswan.org/${P}.tar.bz2"
+
+LICENSE="GPL-2 RSA DES"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
+IUSE="+caps curl +constraints debug dhcp eap farp gcrypt +gmp ldap mysql networkmanager +non-root +openssl selinux sqlite systemd pam pkcs11"
+
+STRONGSWAN_PLUGINS_STD="led lookip systime-fix unity vici"
+STRONGSWAN_PLUGINS_OPT_DISABLE="kdf"
+STRONGSWAN_PLUGINS_OPT="addrblock aesni blowfish bypass-lan ccm chapoly ctr error-notify forecast gcm
+ha ipseckey newhope ntru padlock rdrand save-keys unbound whitelist
+xauth-noauth"
+for mod in $STRONGSWAN_PLUGINS_STD; do
+	IUSE="${IUSE} +strongswan_plugins_${mod}"
+done
+
+for mod in $STRONGSWAN_PLUGINS_OPT_DISABLE; do
+	IUSE="${IUSE} strongswan_plugins_${mod}"
+done
+
+for mod in $STRONGSWAN_PLUGINS_OPT; do
+	IUSE="${IUSE} strongswan_plugins_${mod}"
+done
+
+COMMON_DEPEND="non-root? (
+		acct-user/ipsec
+		acct-group/ipsec
+	)
+	dev-libs/glib:2
+	gmp? ( >=dev-libs/gmp-4.1.5:= )
+	gcrypt? ( dev-libs/libgcrypt:= )
+	caps? ( sys-libs/libcap )
+	curl? ( net-misc/curl )
+	ldap? ( net-nds/openldap:= )
+	openssl? ( >=dev-libs/openssl-0.9.8:=[-bindist(-)] )
+	mysql? ( dev-db/mysql-connector-c:= )
+	sqlite? ( >=dev-db/sqlite-3.3.1:3 )
+	systemd? ( sys-apps/systemd )
+	networkmanager? ( net-misc/networkmanager )
+	pam? ( sys-libs/pam )
+	strongswan_plugins_unbound? ( net-dns/unbound:= net-libs/ldns )"
+
+DEPEND="${COMMON_DEPEND}
+	virtual/linux-sources
+	sys-kernel/linux-headers"
+
+RDEPEND="${COMMON_DEPEND}
+	virtual/logger
+	sys-apps/iproute2
+	!net-vpn/libreswan
+	selinux? ( sec-policy/selinux-ipsec )"
+
+UGID="ipsec"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-werror-security.patch
+)
+
+pkg_setup() {
+	linux-info_pkg_setup
+
+	elog "Linux kernel version: ${KV_FULL}"
+
+	if ! kernel_is -ge 2 6 16; then
+		eerror
+		eerror "This ebuild currently only supports ${PN} with the"
+		eerror "native Linux 2.6 IPsec stack on kernels >= 2.6.16."
+		eerror
+	fi
+
+	if kernel_is -lt 2 6 34; then
+		ewarn
+		ewarn "IMPORTANT KERNEL NOTES: Please read carefully..."
+		ewarn
+
+		if kernel_is -lt 2 6 29; then
+			ewarn "[ < 2.6.29 ] Due to a missing kernel feature, you have to"
+			ewarn "include all required IPv6 modules even if you just intend"
+			ewarn "to run on IPv4 only."
+			ewarn
+			ewarn "This has been fixed with kernels >= 2.6.29."
+			ewarn
+		fi
+
+		if kernel_is -lt 2 6 33; then
+			ewarn "[ < 2.6.33 ] Kernels prior to 2.6.33 include a non-standards"
+			ewarn "compliant implementation for SHA-2 HMAC support in ESP and"
+			ewarn "miss SHA384 and SHA512 HMAC support altogether."
+			ewarn
+			ewarn "If you need any of those features, please use kernel >= 2.6.33."
+			ewarn
+		fi
+
+		if kernel_is -lt 2 6 34; then
+			ewarn "[ < 2.6.34 ] Support for the AES-GMAC authentification-only"
+			ewarn "ESP cipher is only included in kernels >= 2.6.34."
+			ewarn
+			ewarn "If you need it, please use kernel >= 2.6.34."
+			ewarn
+		fi
+	fi
+}
+
+src_configure() {
+	local myconf=""
+
+	if use non-root; then
+		myconf="${myconf} --with-user=${UGID} --with-group=${UGID}"
+	fi
+
+	# If a user has already enabled db support, those plugins will
+	# most likely be desired as well. Besides they don't impose new
+	# dependencies and come at no cost (except for space).
+	if use mysql || use sqlite; then
+		myconf="${myconf} --enable-attr-sql --enable-sql"
+	fi
+
+	# strongSwan builds and installs static libs by default which are
+	# useless to the user (and to strongSwan for that matter) because no
+	# header files or alike get installed... so disabling them is safe.
+	if use pam && use eap; then
+		myconf="${myconf} --enable-eap-gtc"
+	else
+		myconf="${myconf} --disable-eap-gtc"
+	fi
+
+	for mod in $STRONGSWAN_PLUGINS_STD; do
+		if use strongswan_plugins_${mod}; then
+			myconf+=" --enable-${mod}"
+		fi
+	done
+
+	for mod in $STRONGSWAN_PLUGINS_OPT_DISABLE; do
+		if ! use strongswan_plugins_${mod}; then
+			myconf+=" --disable-${mod}"
+		fi
+	done
+
+	for mod in $STRONGSWAN_PLUGINS_OPT; do
+		if use strongswan_plugins_${mod}; then
+			myconf+=" --enable-${mod}"
+		fi
+	done
+
+	econf \
+		--disable-static \
+		--enable-ikev1 \
+		--enable-ikev2 \
+		--enable-swanctl \
+		--enable-socket-dynamic \
+		--enable-cmd \
+		$(use_enable curl) \
+		$(use_enable constraints) \
+		$(use_enable ldap) \
+		$(use_enable debug leak-detective) \
+		$(use_enable dhcp) \
+		$(use_enable eap eap-sim) \
+		$(use_enable eap eap-sim-file) \
+		$(use_enable eap eap-simaka-sql) \
+		$(use_enable eap eap-simaka-pseudonym) \
+		$(use_enable eap eap-simaka-reauth) \
+		$(use_enable eap eap-identity) \
+		$(use_enable eap eap-md5) \
+		$(use_enable eap eap-aka) \
+		$(use_enable eap eap-aka-3gpp2) \
+		$(use_enable eap md4) \
+		$(use_enable eap eap-mschapv2) \
+		$(use_enable eap eap-radius) \
+		$(use_enable eap eap-tls) \
+		$(use_enable eap eap-ttls) \
+		$(use_enable eap xauth-eap) \
+		$(use_enable eap eap-dynamic) \
+		$(use_enable farp) \
+		$(use_enable gmp) \
+		$(use_enable gcrypt) \
+		$(use_enable mysql) \
+		$(use_enable networkmanager nm) \
+		$(use_enable openssl) \
+		$(use_enable pam xauth-pam) \
+		$(use_enable pkcs11) \
+		$(use_enable sqlite) \
+		$(use_enable systemd) \
+		$(use_with caps capabilities libcap) \
+		--with-piddir=/run \
+		--with-systemdsystemunitdir="$(systemd_get_systemunitdir)" \
+		${myconf}
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+
+	if ! use systemd; then
+		rm -rf "${ED}"/lib/systemd || die "Failed removing systemd lib."
+	fi
+
+	doinitd "${FILESDIR}"/ipsec
+
+	local dir_ugid
+	if use non-root; then
+		fowners ${UGID}:${UGID} \
+			/etc/ipsec.conf \
+			/etc/strongswan.conf
+
+		dir_ugid="${UGID}"
+	else
+		dir_ugid="root"
+	fi
+
+	diropts -m 0750 -o ${dir_ugid} -g ${dir_ugid}
+	dodir /etc/ipsec.d \
+		/etc/ipsec.d/aacerts \
+		/etc/ipsec.d/acerts \
+		/etc/ipsec.d/cacerts \
+		/etc/ipsec.d/certs \
+		/etc/ipsec.d/crls \
+		/etc/ipsec.d/ocspcerts \
+		/etc/ipsec.d/private \
+		/etc/ipsec.d/reqs
+
+	dodoc NEWS README TODO
+
+	# shared libs are used only internally and there are no static libs,
+	# so it's safe to get rid of the .la files
+	find "${D}" -name '*.la' -delete || die "Failed to remove .la files."
+}
+
+pkg_preinst() {
+	has_version "<net-vpn/strongswan-4.3.6-r1"
+	upgrade_from_leq_4_3_6=$(( !$? ))
+
+	has_version "<net-vpn/strongswan-4.3.6-r1[-caps]"
+	previous_4_3_6_with_caps=$(( !$? ))
+}
+
+pkg_postinst() {
+	if ! use openssl && ! use gcrypt; then
+		elog
+		elog "${PN} has been compiled without both OpenSSL and libgcrypt support."
+		elog "Please note that this might effect availability and speed of some"
+		elog "cryptographic features. You are advised to enable the OpenSSL plugin."
+	elif ! use openssl; then
+		elog
+		elog "${PN} has been compiled without the OpenSSL plugin. This might effect"
+		elog "availability and speed of some cryptographic features. There will be"
+		elog "no support for Elliptic Curve Cryptography (Diffie-Hellman groups 19-21,"
+		elog "25, 26) and ECDSA."
+	fi
+
+	if [[ $upgrade_from_leq_4_3_6 == 1 ]]; then
+		chmod 0750 "${ROOT}"/etc/ipsec.d \
+			"${ROOT}"/etc/ipsec.d/aacerts \
+			"${ROOT}"/etc/ipsec.d/acerts \
+			"${ROOT}"/etc/ipsec.d/cacerts \
+			"${ROOT}"/etc/ipsec.d/certs \
+			"${ROOT}"/etc/ipsec.d/crls \
+			"${ROOT}"/etc/ipsec.d/ocspcerts \
+			"${ROOT}"/etc/ipsec.d/private \
+			"${ROOT}"/etc/ipsec.d/reqs
+
+		ewarn
+		ewarn "The default permissions for /etc/ipsec.d/* have been tightened for"
+		ewarn "security reasons. Your system installed directories have been"
+		ewarn "updated accordingly. Please check if necessary."
+		ewarn
+
+		if [[ $previous_4_3_6_with_caps == 1 ]]; then
+			if ! use non-root; then
+				ewarn
+				ewarn "IMPORTANT: You previously had ${PN} installed without root"
+				ewarn "privileges because it was implied by the 'caps' USE flag."
+				ewarn "This has been changed. If you want ${PN} with user privileges,"
+				ewarn "you have to re-emerge it with the 'non-root' USE flag enabled."
+				ewarn
+			fi
+		fi
+	fi
+	if ! use caps && ! use non-root; then
+		ewarn
+		ewarn "You have decided to run ${PN} with root privileges and built it"
+		ewarn "without support for POSIX capability dropping. It is generally"
+		ewarn "strongly suggested that you reconsider- especially if you intend"
+		ewarn "to run ${PN} as server with a public ip address."
+		ewarn
+		ewarn "You should re-emerge ${PN} with at least the 'caps' USE flag enabled."
+		ewarn
+	fi
+	if use non-root; then
+		elog
+		elog "${PN} has been installed without superuser privileges (USE=non-root)."
+		elog "This imposes a few limitations mainly to the daemon 'charon' in"
+		elog "regards of the use of iptables."
+		elog
+		elog "Please carefully read: http://wiki.strongswan.org/projects/strongswan/wiki/ReducedPrivileges"
+		elog
+		elog "Thus if you require to specify a custom updown"
+		elog "script to charon which requires superuser privileges, you"
+		elog "can work around this limitation by using sudo to grant the"
+		elog "user \"ipsec\" the appropriate rights."
+		elog "For example (the default case):"
+		elog "/etc/sudoers:"
+		elog "  ipsec ALL=(ALL) NOPASSWD: SETENV: /usr/sbin/ipsec"
+		elog "Under the specific connection block in /etc/ipsec.conf:"
+		elog "  leftupdown=\"sudo -E ipsec _updown iptables\""
+		elog
+	fi
+	elog
+	elog "Make sure you have _all_ required kernel modules available including"
+	elog "the appropriate cryptographic algorithms. A list is available at:"
+	elog "  https://wiki.strongswan.org/projects/strongswan/wiki/KernelModules"
+	elog
+	elog "The up-to-date manual is available online at:"
+	elog "  https://wiki.strongswan.org/"
+	elog
+}
diff --git a/net-vpn/strongswan/strongswan-5.9.6.ebuild b/net-vpn/strongswan/strongswan-5.9.6.ebuild
deleted file mode 100644
index 9de7b103de17..000000000000
--- a/net-vpn/strongswan/strongswan-5.9.6.ebuild
+++ /dev/null
@@ -1,311 +0,0 @@
-# Copyright 1999-2022 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI="8"
-inherit linux-info systemd
-
-DESCRIPTION="IPsec-based VPN solution, supporting IKEv1/IKEv2 and MOBIKE"
-HOMEPAGE="https://www.strongswan.org/"
-SRC_URI="https://download.strongswan.org/${P}.tar.bz2"
-
-LICENSE="GPL-2 RSA DES"
-SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
-IUSE="+caps curl +constraints debug dhcp eap farp gcrypt +gmp ldap mysql networkmanager +non-root +openssl selinux sqlite systemd pam pkcs11"
-
-STRONGSWAN_PLUGINS_STD="led lookip systime-fix unity vici"
-STRONGSWAN_PLUGINS_OPT="addrblock aesni blowfish bypass-lan ccm chapoly ctr error-notify forecast gcm
-ha ipseckey kdf newhope ntru padlock prf-plus rdrand save-keys unbound whitelist
-xauth-noauth"
-for mod in $STRONGSWAN_PLUGINS_STD; do
-	IUSE="${IUSE} +strongswan_plugins_${mod}"
-done
-
-for mod in $STRONGSWAN_PLUGINS_OPT; do
-	IUSE="${IUSE} strongswan_plugins_${mod}"
-done
-
-COMMON_DEPEND="non-root? (
-		acct-user/ipsec
-		acct-group/ipsec
-	)
-	dev-libs/glib:2
-	gmp? ( >=dev-libs/gmp-4.1.5:= )
-	gcrypt? ( dev-libs/libgcrypt:= )
-	caps? ( sys-libs/libcap )
-	curl? ( net-misc/curl )
-	ldap? ( net-nds/openldap:= )
-	openssl? ( >=dev-libs/openssl-0.9.8:=[-bindist(-)] )
-	mysql? ( dev-db/mysql-connector-c:= )
-	sqlite? ( >=dev-db/sqlite-3.3.1:3 )
-	systemd? ( sys-apps/systemd )
-	networkmanager? ( net-misc/networkmanager )
-	pam? ( sys-libs/pam )
-	strongswan_plugins_unbound? ( net-dns/unbound:= net-libs/ldns )"
-
-DEPEND="${COMMON_DEPEND}
-	virtual/linux-sources
-	sys-kernel/linux-headers"
-
-RDEPEND="${COMMON_DEPEND}
-	virtual/logger
-	sys-apps/iproute2
-	!net-vpn/libreswan
-	selinux? ( sec-policy/selinux-ipsec )"
-
-UGID="ipsec"
-
-PATCHES=(
-	"${FILESDIR}"/${P}-werror-security.patch
-)
-
-pkg_setup() {
-	linux-info_pkg_setup
-
-	elog "Linux kernel version: ${KV_FULL}"
-
-	if ! kernel_is -ge 2 6 16; then
-		eerror
-		eerror "This ebuild currently only supports ${PN} with the"
-		eerror "native Linux 2.6 IPsec stack on kernels >= 2.6.16."
-		eerror
-	fi
-
-	if kernel_is -lt 2 6 34; then
-		ewarn
-		ewarn "IMPORTANT KERNEL NOTES: Please read carefully..."
-		ewarn
-
-		if kernel_is -lt 2 6 29; then
-			ewarn "[ < 2.6.29 ] Due to a missing kernel feature, you have to"
-			ewarn "include all required IPv6 modules even if you just intend"
-			ewarn "to run on IPv4 only."
-			ewarn
-			ewarn "This has been fixed with kernels >= 2.6.29."
-			ewarn
-		fi
-
-		if kernel_is -lt 2 6 33; then
-			ewarn "[ < 2.6.33 ] Kernels prior to 2.6.33 include a non-standards"
-			ewarn "compliant implementation for SHA-2 HMAC support in ESP and"
-			ewarn "miss SHA384 and SHA512 HMAC support altogether."
-			ewarn
-			ewarn "If you need any of those features, please use kernel >= 2.6.33."
-			ewarn
-		fi
-
-		if kernel_is -lt 2 6 34; then
-			ewarn "[ < 2.6.34 ] Support for the AES-GMAC authentification-only"
-			ewarn "ESP cipher is only included in kernels >= 2.6.34."
-			ewarn
-			ewarn "If you need it, please use kernel >= 2.6.34."
-			ewarn
-		fi
-	fi
-}
-
-src_configure() {
-	local myconf=""
-
-	if use non-root; then
-		myconf="${myconf} --with-user=${UGID} --with-group=${UGID}"
-	fi
-
-	# If a user has already enabled db support, those plugins will
-	# most likely be desired as well. Besides they don't impose new
-	# dependencies and come at no cost (except for space).
-	if use mysql || use sqlite; then
-		myconf="${myconf} --enable-attr-sql --enable-sql"
-	fi
-
-	# strongSwan builds and installs static libs by default which are
-	# useless to the user (and to strongSwan for that matter) because no
-	# header files or alike get installed... so disabling them is safe.
-	if use pam && use eap; then
-		myconf="${myconf} --enable-eap-gtc"
-	else
-		myconf="${myconf} --disable-eap-gtc"
-	fi
-
-	for mod in $STRONGSWAN_PLUGINS_STD; do
-		if use strongswan_plugins_${mod}; then
-			myconf+=" --enable-${mod}"
-		fi
-	done
-
-	for mod in $STRONGSWAN_PLUGINS_OPT; do
-		if use strongswan_plugins_${mod}; then
-			myconf+=" --enable-${mod}"
-		fi
-	done
-
-	econf \
-		--disable-static \
-		--enable-ikev1 \
-		--enable-ikev2 \
-		--enable-swanctl \
-		--enable-socket-dynamic \
-		--enable-cmd \
-		$(use_enable curl) \
-		$(use_enable constraints) \
-		$(use_enable ldap) \
-		$(use_enable debug leak-detective) \
-		$(use_enable dhcp) \
-		$(use_enable eap eap-sim) \
-		$(use_enable eap eap-sim-file) \
-		$(use_enable eap eap-simaka-sql) \
-		$(use_enable eap eap-simaka-pseudonym) \
-		$(use_enable eap eap-simaka-reauth) \
-		$(use_enable eap eap-identity) \
-		$(use_enable eap eap-md5) \
-		$(use_enable eap eap-aka) \
-		$(use_enable eap eap-aka-3gpp2) \
-		$(use_enable eap md4) \
-		$(use_enable eap eap-mschapv2) \
-		$(use_enable eap eap-radius) \
-		$(use_enable eap eap-tls) \
-		$(use_enable eap eap-ttls) \
-		$(use_enable eap xauth-eap) \
-		$(use_enable eap eap-dynamic) \
-		$(use_enable farp) \
-		$(use_enable gmp) \
-		$(use_enable gcrypt) \
-		$(use_enable mysql) \
-		$(use_enable networkmanager nm) \
-		$(use_enable openssl) \
-		$(use_enable pam xauth-pam) \
-		$(use_enable pkcs11) \
-		$(use_enable sqlite) \
-		$(use_enable systemd) \
-		$(use_with caps capabilities libcap) \
-		--with-piddir=/run \
-		--with-systemdsystemunitdir="$(systemd_get_systemunitdir)" \
-		${myconf}
-}
-
-src_install() {
-	emake DESTDIR="${D}" install
-
-	if ! use systemd; then
-		rm -rf "${ED}"/lib/systemd || die "Failed removing systemd lib."
-	fi
-
-	doinitd "${FILESDIR}"/ipsec
-
-	local dir_ugid
-	if use non-root; then
-		fowners ${UGID}:${UGID} \
-			/etc/ipsec.conf \
-			/etc/strongswan.conf
-
-		dir_ugid="${UGID}"
-	else
-		dir_ugid="root"
-	fi
-
-	diropts -m 0750 -o ${dir_ugid} -g ${dir_ugid}
-	dodir /etc/ipsec.d \
-		/etc/ipsec.d/aacerts \
-		/etc/ipsec.d/acerts \
-		/etc/ipsec.d/cacerts \
-		/etc/ipsec.d/certs \
-		/etc/ipsec.d/crls \
-		/etc/ipsec.d/ocspcerts \
-		/etc/ipsec.d/private \
-		/etc/ipsec.d/reqs
-
-	dodoc NEWS README TODO
-
-	# shared libs are used only internally and there are no static libs,
-	# so it's safe to get rid of the .la files
-	find "${D}" -name '*.la' -delete || die "Failed to remove .la files."
-}
-
-pkg_preinst() {
-	has_version "<net-vpn/strongswan-4.3.6-r1"
-	upgrade_from_leq_4_3_6=$(( !$? ))
-
-	has_version "<net-vpn/strongswan-4.3.6-r1[-caps]"
-	previous_4_3_6_with_caps=$(( !$? ))
-}
-
-pkg_postinst() {
-	if ! use openssl && ! use gcrypt; then
-		elog
-		elog "${PN} has been compiled without both OpenSSL and libgcrypt support."
-		elog "Please note that this might effect availability and speed of some"
-		elog "cryptographic features. You are advised to enable the OpenSSL plugin."
-	elif ! use openssl; then
-		elog
-		elog "${PN} has been compiled without the OpenSSL plugin. This might effect"
-		elog "availability and speed of some cryptographic features. There will be"
-		elog "no support for Elliptic Curve Cryptography (Diffie-Hellman groups 19-21,"
-		elog "25, 26) and ECDSA."
-	fi
-
-	if [[ $upgrade_from_leq_4_3_6 == 1 ]]; then
-		chmod 0750 "${ROOT}"/etc/ipsec.d \
-			"${ROOT}"/etc/ipsec.d/aacerts \
-			"${ROOT}"/etc/ipsec.d/acerts \
-			"${ROOT}"/etc/ipsec.d/cacerts \
-			"${ROOT}"/etc/ipsec.d/certs \
-			"${ROOT}"/etc/ipsec.d/crls \
-			"${ROOT}"/etc/ipsec.d/ocspcerts \
-			"${ROOT}"/etc/ipsec.d/private \
-			"${ROOT}"/etc/ipsec.d/reqs
-
-		ewarn
-		ewarn "The default permissions for /etc/ipsec.d/* have been tightened for"
-		ewarn "security reasons. Your system installed directories have been"
-		ewarn "updated accordingly. Please check if necessary."
-		ewarn
-
-		if [[ $previous_4_3_6_with_caps == 1 ]]; then
-			if ! use non-root; then
-				ewarn
-				ewarn "IMPORTANT: You previously had ${PN} installed without root"
-				ewarn "privileges because it was implied by the 'caps' USE flag."
-				ewarn "This has been changed. If you want ${PN} with user privileges,"
-				ewarn "you have to re-emerge it with the 'non-root' USE flag enabled."
-				ewarn
-			fi
-		fi
-	fi
-	if ! use caps && ! use non-root; then
-		ewarn
-		ewarn "You have decided to run ${PN} with root privileges and built it"
-		ewarn "without support for POSIX capability dropping. It is generally"
-		ewarn "strongly suggested that you reconsider- especially if you intend"
-		ewarn "to run ${PN} as server with a public ip address."
-		ewarn
-		ewarn "You should re-emerge ${PN} with at least the 'caps' USE flag enabled."
-		ewarn
-	fi
-	if use non-root; then
-		elog
-		elog "${PN} has been installed without superuser privileges (USE=non-root)."
-		elog "This imposes a few limitations mainly to the daemon 'charon' in"
-		elog "regards of the use of iptables."
-		elog
-		elog "Please carefully read: http://wiki.strongswan.org/projects/strongswan/wiki/ReducedPrivileges"
-		elog
-		elog "Thus if you require to specify a custom updown"
-		elog "script to charon which requires superuser privileges, you"
-		elog "can work around this limitation by using sudo to grant the"
-		elog "user \"ipsec\" the appropriate rights."
-		elog "For example (the default case):"
-		elog "/etc/sudoers:"
-		elog "  ipsec ALL=(ALL) NOPASSWD: SETENV: /usr/sbin/ipsec"
-		elog "Under the specific connection block in /etc/ipsec.conf:"
-		elog "  leftupdown=\"sudo -E ipsec _updown iptables\""
-		elog
-	fi
-	elog
-	elog "Make sure you have _all_ required kernel modules available including"
-	elog "the appropriate cryptographic algorithms. A list is available at:"
-	elog "  https://wiki.strongswan.org/projects/strongswan/wiki/KernelModules"
-	elog
-	elog "The up-to-date manual is available online at:"
-	elog "  https://wiki.strongswan.org/"
-	elog
-}
-- 
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