--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+inherit linux-info systemd user
+
+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 ~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="aesni blowfish ccm chapoly ctr forecast gcm ha ipseckey newhope ntru padlock rdrand save-keys unbound whitelist"
+for mod in $STRONGSWAN_PLUGINS_STD; do
+ IUSE="${IUSE} +strongswan_plugins_${mod}"
+done
+
+for mod in $STRONGSWAN_PLUGINS_OPT; do
+ IUSE="${IUSE} strongswan_plugins_${mod}"
+done
+
+COMMON_DEPEND="!net-misc/openswan
+ gmp? ( >=dev-libs/gmp-4.1.5:= )
+ gcrypt? ( dev-libs/libgcrypt:0 )
+ caps? ( sys-libs/libcap )
+ curl? ( net-misc/curl )
+ ldap? ( net-nds/openldap )
+ openssl? ( >=dev-libs/openssl-0.9.8:=[-bindist] )
+ mysql? ( dev-db/mysql-connector-c:= )
+ sqlite? ( >=dev-db/sqlite-3.3.1 )
+ systemd? ( sys-apps/systemd )
+ networkmanager? ( net-misc/networkmanager )
+ pam? ( sys-libs/pam )
+ strongswan_plugins_unbound? ( net-dns/unbound:= net-libs/ldns )"
+DEPEND="${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"
+
+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
+
+ if use non-root; then
+ enewgroup ${UGID}
+ enewuser ${UGID} -1 -1 -1 ${UGID}
+ fi
+}
+
+src_configure() {
+ local myconf=""
+
+ if use non-root; then
+ myconf="${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 \
+ $(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 "${ED}"/lib/systemd || die
+ fi
+
+ doinitd "${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 several limitations mainly to the IKEv1 daemon 'pluto'"
+ elog "but also a few to the IKEv2 daemon 'charon'."
+ elog
+ elog "Please carefully read: http://wiki.strongswan.org/wiki/nonRoot"
+ elog
+ elog "pluto uses a helper script by default to insert/remove routing and"
+ elog "policy rules upon connection start/stop which requires superuser"
+ elog "privileges. charon in contrast does this internally and can do so"
+ elog "even with reduced (user) privileges."
+ elog
+ elog "Thus if you require IKEv1 (pluto) or need to specify a custom updown"
+ elog "script to pluto or 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 " http://wiki.strongswan.org/projects/strongswan/wiki/KernelModules"
+ elog
+ elog "The up-to-date manual is available online at:"
+ elog " http://wiki.strongswan.org/"
+ elog
+}
projects / gentoo.git / commitdiff